chore: upgrade go-waku to v0.5 (#3213)

* chore: upgrade go-waku to v0.5
* chore: add println and logs to check what's being stored in the enr, and preemptively delete the multiaddr field (#3219)
* feat: add wakuv2 test (#3218)
This commit is contained in:
RichΛrd 2023-02-22 17:58:17 -04:00 committed by GitHub
parent cc283bfaab
commit 0babdad17b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1314 changed files with 124506 additions and 105241 deletions

View file

@ -1 +1 @@
0.131.12 0.132.0

View file

@ -6,6 +6,8 @@ import (
"errors" "errors"
"time" "time"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/status-im/status-go/connection" "github.com/status-im/status-go/connection"
"github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/eth-node/types"
@ -57,12 +59,12 @@ func (w *gethWakuWrapper) StopDiscV5() error {
} }
// PeerCount function only added for compatibility with waku V2 // PeerCount function only added for compatibility with waku V2
func (w *gethWakuWrapper) AddStorePeer(address string) (string, error) { func (w *gethWakuWrapper) AddStorePeer(address string) (peer.ID, error) {
return "", errors.New("not available in WakuV1") return "", errors.New("not available in WakuV1")
} }
// AddRelayPeer function only added for compatibility with waku V2 // AddRelayPeer function only added for compatibility with waku V2
func (w *gethWakuWrapper) AddRelayPeer(address string) (string, error) { func (w *gethWakuWrapper) AddRelayPeer(address string) (peer.ID, error) {
return "", errors.New("not available in WakuV1") return "", errors.New("not available in WakuV1")
} }

View file

@ -7,8 +7,8 @@ import (
"time" "time"
"github.com/libp2p/go-libp2p/core/peer" "github.com/libp2p/go-libp2p/core/peer"
"github.com/waku-org/go-waku/waku/v2/protocol/pb"
"github.com/waku-org/go-waku/waku/v2/protocol/store" "github.com/waku-org/go-waku/waku/v2/protocol/store"
storepb "github.com/waku-org/go-waku/waku/v2/protocol/store/pb"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/status-im/status-go/connection" "github.com/status-im/status-go/connection"
@ -191,7 +191,7 @@ func (w *gethWakuV2Wrapper) RequestStoreMessages(ctx context.Context, peerID []b
} }
if r.StoreCursor != nil { if r.StoreCursor != nil {
options = append(options, store.WithCursor(&pb.Index{ options = append(options, store.WithCursor(&storepb.Index{
Digest: r.StoreCursor.Digest, Digest: r.StoreCursor.Digest,
ReceiverTime: r.StoreCursor.ReceiverTime, ReceiverTime: r.StoreCursor.ReceiverTime,
SenderTime: r.StoreCursor.SenderTime, SenderTime: r.StoreCursor.SenderTime,
@ -234,11 +234,11 @@ func (w *gethWakuV2Wrapper) StopDiscV5() error {
return w.waku.StopDiscV5() return w.waku.StopDiscV5()
} }
func (w *gethWakuV2Wrapper) AddStorePeer(address string) (string, error) { func (w *gethWakuV2Wrapper) AddStorePeer(address string) (peer.ID, error) {
return w.waku.AddStorePeer(address) return w.waku.AddStorePeer(address)
} }
func (w *gethWakuV2Wrapper) AddRelayPeer(address string) (string, error) { func (w *gethWakuV2Wrapper) AddRelayPeer(address string) (peer.ID, error) {
return w.waku.AddRelayPeer(address) return w.waku.AddRelayPeer(address)
} }

View file

@ -6,6 +6,8 @@ import (
"sync" "sync"
"time" "time"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/protocol"
"github.com/pborman/uuid" "github.com/pborman/uuid"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
@ -19,8 +21,8 @@ type ConnStatus struct {
} }
type WakuV2Peer struct { type WakuV2Peer struct {
Protocols []string `json:"protocols"` Protocols []protocol.ID `json:"protocols"`
Addresses []string `json:"addresses"` Addresses []string `json:"addresses"`
} }
type ConnStatusSubscription struct { type ConnStatusSubscription struct {
@ -86,9 +88,9 @@ type Waku interface {
StopDiscV5() error StopDiscV5() error
AddStorePeer(address string) (string, error) AddStorePeer(address string) (peer.ID, error)
AddRelayPeer(address string) (string, error) AddRelayPeer(address string) (peer.ID, error)
DialPeer(address string) error DialPeer(address string) error

82
go.mod
View file

@ -29,22 +29,22 @@ require (
github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a
github.com/keighl/metabolize v0.0.0-20150915210303-97ab655d4034 github.com/keighl/metabolize v0.0.0-20150915210303-97ab655d4034
github.com/kilic/bls12-381 v0.0.0-20200607163746-32e1441c8a9f github.com/kilic/bls12-381 v0.0.0-20200607163746-32e1441c8a9f
github.com/lib/pq v1.10.0 github.com/lib/pq v1.10.4
github.com/libp2p/go-libp2p v0.23.3 github.com/libp2p/go-libp2p v0.25.1
github.com/libp2p/go-libp2p-pubsub v0.8.1 github.com/libp2p/go-libp2p-pubsub v0.9.0
github.com/lucasb-eyer/go-colorful v1.0.3 github.com/lucasb-eyer/go-colorful v1.0.3
github.com/mat/besticon v0.0.0-20210314201728-1579f269edb7 github.com/mat/besticon v0.0.0-20210314201728-1579f269edb7
github.com/multiformats/go-multiaddr v0.7.0 github.com/multiformats/go-multiaddr v0.8.0
github.com/multiformats/go-multibase v0.1.1 github.com/multiformats/go-multibase v0.1.1
github.com/multiformats/go-multihash v0.2.1 github.com/multiformats/go-multihash v0.2.1
github.com/multiformats/go-varint v0.0.6 github.com/multiformats/go-varint v0.0.7
github.com/mutecomm/go-sqlcipher v0.0.0-20190227152316-55dbde17881f github.com/mutecomm/go-sqlcipher v0.0.0-20190227152316-55dbde17881f
github.com/nfnt/resize v0.0.0-00010101000000-000000000000 github.com/nfnt/resize v0.0.0-00010101000000-000000000000
github.com/okzk/sdnotify v0.0.0-20180710141335-d9becc38acbd github.com/okzk/sdnotify v0.0.0-20180710141335-d9becc38acbd
github.com/oliamb/cutter v0.2.2 github.com/oliamb/cutter v0.2.2
github.com/pborman/uuid v1.2.0 github.com/pborman/uuid v1.2.0
github.com/pkg/errors v0.9.1 github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.13.0 github.com/prometheus/client_golang v1.14.0
github.com/russolsen/transit v0.0.0-20180705123435-0794b4c4505a github.com/russolsen/transit v0.0.0-20180705123435-0794b4c4505a
github.com/status-im/doubleratchet v3.0.0+incompatible github.com/status-im/doubleratchet v3.0.0+incompatible
github.com/status-im/markdown v0.0.0-20221220095528-8f1babe09d1e github.com/status-im/markdown v0.0.0-20221220095528-8f1babe09d1e
@ -61,8 +61,8 @@ require (
github.com/wealdtech/go-multicodec v1.4.0 github.com/wealdtech/go-multicodec v1.4.0
github.com/xeipuuv/gojsonschema v1.2.0 github.com/xeipuuv/gojsonschema v1.2.0
github.com/zenthangplus/goccm v0.0.0-20211005163543-2f2e522aca15 github.com/zenthangplus/goccm v0.0.0-20211005163543-2f2e522aca15
go.uber.org/zap v1.23.0 go.uber.org/zap v1.24.0
golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e golang.org/x/crypto v0.4.0
golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb
google.golang.org/protobuf v1.28.1 google.golang.org/protobuf v1.28.1
gopkg.in/go-playground/assert.v1 v1.2.1 // indirect gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
@ -78,7 +78,7 @@ require (
github.com/ipfs/go-log/v2 v2.5.1 github.com/ipfs/go-log/v2 v2.5.1
github.com/ladydascalie/currency v1.6.0 github.com/ladydascalie/currency v1.6.0
github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8 github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8
github.com/waku-org/go-waku v0.4.1-0.20230213133834-a3f08943acb4 github.com/waku-org/go-waku v0.5.2-0.20230221221637-74b734c337e9
github.com/yeqown/go-qrcode/v2 v2.2.1 github.com/yeqown/go-qrcode/v2 v2.2.1
github.com/yeqown/go-qrcode/writer/standard v1.2.1 github.com/yeqown/go-qrcode/writer/standard v1.2.1
) )
@ -112,9 +112,9 @@ require (
github.com/btcsuite/btcd v0.22.1 // indirect github.com/btcsuite/btcd v0.22.1 // indirect
github.com/btcsuite/btcd/btcec/v2 v2.3.0 // indirect github.com/btcsuite/btcd/btcec/v2 v2.3.0 // indirect
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/containerd/cgroups v1.0.4 // indirect github.com/containerd/cgroups v1.0.4 // indirect
github.com/coreos/go-systemd/v22 v22.4.0 // indirect github.com/coreos/go-systemd/v22 v22.5.0 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
github.com/cruxic/go-hmac-drbg v0.0.0-20170206035330-84c46983886d // indirect github.com/cruxic/go-hmac-drbg v0.0.0-20170206035330-84c46983886d // indirect
github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
@ -123,10 +123,10 @@ require (
github.com/dustin/go-humanize v1.0.0 // indirect github.com/dustin/go-humanize v1.0.0 // indirect
github.com/edsrzf/mmap-go v1.0.0 // indirect github.com/edsrzf/mmap-go v1.0.0 // indirect
github.com/elastic/gosigar v0.14.2 // indirect github.com/elastic/gosigar v0.14.2 // indirect
github.com/emirpasic/gods v1.18.1 // indirect
github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
github.com/flynn/noise v1.0.0 // indirect github.com/flynn/noise v1.0.0 // indirect
github.com/francoispqt/gojay v1.2.13 // indirect github.com/francoispqt/gojay v1.2.13 // indirect
github.com/fsnotify/fsnotify v1.5.4 // indirect
github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 // indirect github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 // indirect
github.com/go-ole/go-ole v1.2.5 // indirect github.com/go-ole/go-ole v1.2.5 // indirect
github.com/go-playground/locales v0.14.0 // indirect github.com/go-playground/locales v0.14.0 // indirect
@ -142,20 +142,22 @@ require (
github.com/golang/snappy v0.0.4 // indirect github.com/golang/snappy v0.0.4 // indirect
github.com/google/btree v1.0.1 // indirect github.com/google/btree v1.0.1 // indirect
github.com/google/gopacket v1.1.19 // indirect github.com/google/gopacket v1.1.19 // indirect
github.com/google/pprof v0.0.0-20221203041831-ce31453925ec // indirect
github.com/gorilla/securecookie v1.1.1 // indirect github.com/gorilla/securecookie v1.1.1 // indirect
github.com/gorilla/websocket v1.5.0 // indirect github.com/gorilla/websocket v1.5.0 // indirect
github.com/hashicorp/errwrap v1.1.0 // indirect github.com/hashicorp/errwrap v1.1.0 // indirect
github.com/hashicorp/go-bexpr v0.1.10 // indirect github.com/hashicorp/go-bexpr v0.1.10 // indirect
github.com/hashicorp/go-multierror v1.1.1 // indirect github.com/hashicorp/go-multierror v1.1.1 // indirect
github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
github.com/hashicorp/golang-lru/v2 v2.0.1 // indirect
github.com/holiman/bloomfilter/v2 v2.0.3 // indirect github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
github.com/holiman/uint256 v1.2.0 // indirect github.com/holiman/uint256 v1.2.0 // indirect
github.com/huandu/xstrings v1.3.2 // indirect github.com/huandu/xstrings v1.3.2 // indirect
github.com/huin/goupnp v1.0.3 // indirect github.com/huin/goupnp v1.0.3 // indirect
github.com/jackpal/go-nat-pmp v1.0.2 // indirect github.com/jackpal/go-nat-pmp v1.0.2 // indirect
github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
github.com/klauspost/compress v1.15.10 // indirect github.com/klauspost/compress v1.15.12 // indirect
github.com/klauspost/cpuid/v2 v2.1.1 // indirect github.com/klauspost/cpuid/v2 v2.2.1 // indirect
github.com/koron/go-ssdp v0.0.3 // indirect github.com/koron/go-ssdp v0.0.3 // indirect
github.com/leodido/go-urn v1.2.1 // indirect github.com/leodido/go-urn v1.2.1 // indirect
github.com/libp2p/go-buffer-pool v0.1.0 // indirect github.com/libp2p/go-buffer-pool v0.1.0 // indirect
@ -163,21 +165,16 @@ require (
github.com/libp2p/go-flow-metrics v0.1.0 // indirect github.com/libp2p/go-flow-metrics v0.1.0 // indirect
github.com/libp2p/go-libp2p-asn-util v0.2.0 // indirect github.com/libp2p/go-libp2p-asn-util v0.2.0 // indirect
github.com/libp2p/go-mplex v0.7.0 // indirect github.com/libp2p/go-mplex v0.7.0 // indirect
github.com/libp2p/go-msgio v0.2.0 // indirect github.com/libp2p/go-msgio v0.3.0 // indirect
github.com/libp2p/go-nat v0.1.0 // indirect github.com/libp2p/go-nat v0.1.0 // indirect
github.com/libp2p/go-netroute v0.2.0 // indirect github.com/libp2p/go-netroute v0.2.1 // indirect
github.com/libp2p/go-openssl v0.1.0 // indirect
github.com/libp2p/go-reuseport v0.2.0 // indirect github.com/libp2p/go-reuseport v0.2.0 // indirect
github.com/libp2p/go-yamux/v4 v4.0.0 // indirect github.com/libp2p/go-yamux/v4 v4.0.0 // indirect
github.com/lucas-clemente/quic-go v0.29.1 // indirect
github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect
github.com/marten-seemann/qtls-go1-19 v0.1.0 // indirect
github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
github.com/mattn/go-colorable v0.1.8 // indirect github.com/mattn/go-colorable v0.1.8 // indirect
github.com/mattn/go-isatty v0.0.16 // indirect github.com/mattn/go-isatty v0.0.16 // indirect
github.com/mattn/go-pointer v0.0.1 // indirect
github.com/mattn/go-runewidth v0.0.13 // indirect github.com/mattn/go-runewidth v0.0.13 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/miekg/dns v1.1.50 // indirect github.com/miekg/dns v1.1.50 // indirect
github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
@ -187,14 +184,13 @@ require (
github.com/mr-tron/base58 v1.2.0 // indirect github.com/mr-tron/base58 v1.2.0 // indirect
github.com/mschoch/smat v0.2.0 // indirect github.com/mschoch/smat v0.2.0 // indirect
github.com/multiformats/go-base32 v0.1.0 // indirect github.com/multiformats/go-base32 v0.1.0 // indirect
github.com/multiformats/go-base36 v0.1.0 // indirect github.com/multiformats/go-base36 v0.2.0 // indirect
github.com/multiformats/go-multiaddr-dns v0.3.1 // indirect github.com/multiformats/go-multiaddr-dns v0.3.1 // indirect
github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect
github.com/multiformats/go-multicodec v0.6.0 // indirect github.com/multiformats/go-multicodec v0.7.0 // indirect
github.com/multiformats/go-multistream v0.3.3 // indirect github.com/multiformats/go-multistream v0.4.1 // indirect
github.com/nxadm/tail v1.4.8 // indirect
github.com/olekukonko/tablewriter v0.0.5 // indirect github.com/olekukonko/tablewriter v0.0.5 // indirect
github.com/onsi/ginkgo v1.16.5 // indirect github.com/onsi/ginkgo/v2 v2.5.1 // indirect
github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 // indirect github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 // indirect
github.com/opentracing/opentracing-go v1.2.0 // indirect github.com/opentracing/opentracing-go v1.2.0 // indirect
github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect
@ -216,10 +212,16 @@ require (
github.com/pion/udp v0.1.1 // indirect github.com/pion/udp v0.1.1 // indirect
github.com/pion/webrtc/v3 v3.1.24-0.20220208053747-94262c1b2b38 // indirect github.com/pion/webrtc/v3 v3.1.24-0.20220208053747-94262c1b2b38 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.2.0 // indirect github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.37.0 // indirect github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect github.com/prometheus/procfs v0.8.0 // indirect
github.com/prometheus/tsdb v0.10.0 // indirect github.com/prometheus/tsdb v0.10.0 // indirect
github.com/quic-go/qpack v0.4.0 // indirect
github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
github.com/quic-go/quic-go v0.32.0 // indirect
github.com/quic-go/webtransport-go v0.5.1 // indirect
github.com/raulk/go-watchdog v1.3.0 // indirect github.com/raulk/go-watchdog v1.3.0 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
github.com/rivo/uniseg v0.2.0 // indirect github.com/rivo/uniseg v0.2.0 // indirect
@ -231,42 +233,42 @@ require (
github.com/russross/blackfriday/v2 v2.1.0 // indirect github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shirou/gopsutil v3.21.5+incompatible // indirect github.com/shirou/gopsutil v3.21.5+incompatible // indirect
github.com/shopspring/decimal v1.2.0 // indirect github.com/shopspring/decimal v1.2.0 // indirect
github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 // indirect
github.com/spaolacci/murmur3 v1.1.0 // indirect github.com/spaolacci/murmur3 v1.1.0 // indirect
github.com/status-im/go-multiaddr-ethv4 v1.2.4 // indirect github.com/status-im/go-multiaddr-ethv4 v1.2.4 // indirect
github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969 // indirect github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969 // indirect
github.com/tklauser/go-sysconf v0.3.6 // indirect github.com/tklauser/go-sysconf v0.3.6 // indirect
github.com/tklauser/numcpus v0.2.2 // indirect github.com/tklauser/numcpus v0.2.2 // indirect
github.com/tyler-smith/go-bip39 v1.1.0 // indirect github.com/tyler-smith/go-bip39 v1.1.0 // indirect
github.com/urfave/cli/v2 v2.23.7 // indirect github.com/urfave/cli/v2 v2.24.4 // indirect
github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98 // indirect github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98 // indirect
github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg // indirect github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg // indirect
github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee // indirect
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
github.com/yeqown/reedsolomon v1.0.0 // indirect github.com/yeqown/reedsolomon v1.0.0 // indirect
go.etcd.io/bbolt v1.3.6 // indirect go.etcd.io/bbolt v1.3.6 // indirect
go.opencensus.io v0.23.0 // indirect go.opencensus.io v0.24.0 // indirect
go.uber.org/atomic v1.10.0 // indirect go.uber.org/atomic v1.10.0 // indirect
go.uber.org/dig v1.15.0 // indirect
go.uber.org/fx v1.18.2 // indirect
go.uber.org/multierr v1.8.0 // indirect go.uber.org/multierr v1.8.0 // indirect
golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b // indirect golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect golang.org/x/mod v0.7.0 // indirect
golang.org/x/net v0.0.0-20220920183852-bf014ff85ad5 // indirect golang.org/x/net v0.4.0 // indirect
golang.org/x/sync v0.1.0 // indirect golang.org/x/sync v0.1.0 // indirect
golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43 // indirect golang.org/x/sys v0.3.0 // indirect
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect golang.org/x/term v0.3.0 // indirect
golang.org/x/text v0.4.0 // indirect golang.org/x/text v0.7.0 // indirect
golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 // indirect golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 // indirect
golang.org/x/tools v0.1.12 // indirect golang.org/x/tools v0.3.0 // indirect
golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect
lukechampine.com/blake3 v1.1.7 // indirect lukechampine.com/blake3 v1.1.7 // indirect
modernc.org/libc v1.11.82 // indirect modernc.org/libc v1.11.82 // indirect
modernc.org/mathutil v1.4.1 // indirect modernc.org/mathutil v1.4.1 // indirect
modernc.org/memory v1.0.5 // indirect modernc.org/memory v1.0.5 // indirect
modernc.org/sqlite v1.14.2-0.20211125151325-d4ed92c0a70f // indirect modernc.org/sqlite v1.14.2-0.20211125151325-d4ed92c0a70f // indirect
nhooyr.io/websocket v1.8.7 // indirect
zombiezen.com/go/sqlite v0.8.0 // indirect zombiezen.com/go/sqlite v0.8.0 // indirect
) )

182
go.sum
View file

@ -456,8 +456,9 @@ github.com/cespare/cp v1.1.1 h1:nCb6ZLdB7NRaqsm91JtQTAme2SKJzXVsdPIPkyJr1MU=
github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s= github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw= github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
github.com/checkpoint-restore/go-criu/v5 v5.0.0/go.mod h1:cfwC0EG7HMUenopBsUf9d89JlCLQIfgVcNsNN0t6T2M= github.com/checkpoint-restore/go-criu/v5 v5.0.0/go.mod h1:cfwC0EG7HMUenopBsUf9d89JlCLQIfgVcNsNN0t6T2M=
github.com/checkpoint-restore/go-criu/v5 v5.3.0/go.mod h1:E/eQpaFtUKGOOSEBZgmKAcn+zUUwWxqcaKZlF54wK8E= github.com/checkpoint-restore/go-criu/v5 v5.3.0/go.mod h1:E/eQpaFtUKGOOSEBZgmKAcn+zUUwWxqcaKZlF54wK8E=
@ -612,8 +613,8 @@ github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7
github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk= github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk= github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
github.com/coreos/go-systemd/v22 v22.4.0 h1:y9YHcjnjynCd/DVbg5j9L/33jQM3MxJlbj/zWskzfGU= github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
github.com/coreos/go-systemd/v22 v22.4.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
@ -720,6 +721,8 @@ github.com/elliotchance/orderedmap v1.3.0/go.mod h1:8hdSl6jmveQw8ScByd3AaNHNk51R
github.com/elliotchance/orderedmap v1.4.0/go.mod h1:wsDwEaX5jEoyhbs7x93zk2H/qv0zwuhg4inXhDkYqys= github.com/elliotchance/orderedmap v1.4.0/go.mod h1:wsDwEaX5jEoyhbs7x93zk2H/qv0zwuhg4inXhDkYqys=
github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc=
github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ=
github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g= github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@ -779,6 +782,10 @@ github.com/getkin/kin-openapi v0.61.0/go.mod h1:7Yn5whZr5kJi6t+kShccXS8ae1APpYTW
github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ= github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0= github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
github.com/glycerine/go-unsnap-stream v0.0.0-20180323001048-9f0cb55181dd/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE= github.com/glycerine/go-unsnap-stream v0.0.0-20180323001048-9f0cb55181dd/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE= github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
@ -815,6 +822,7 @@ github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTg
github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.1/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= github.com/go-logr/logr v1.2.1/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
github.com/go-logr/stdr v1.2.0/go.mod h1:YkVgnZu1ZjjL7xTxrfm/LLZBfkhTqSR1ydtm6jTKKwI= github.com/go-logr/stdr v1.2.0/go.mod h1:YkVgnZu1ZjjL7xTxrfm/LLZBfkhTqSR1ydtm6jTKKwI=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8= github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
@ -834,10 +842,15 @@ github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dp
github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.14/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ= github.com/go-openapi/swag v0.19.14/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU= github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs= github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho= github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho=
github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA= github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1Vv0sFl1UcHBOY=
github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
github.com/go-sourcemap/sourcemap v2.1.2+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg= github.com/go-sourcemap/sourcemap v2.1.2+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg= github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
@ -872,6 +885,12 @@ github.com/gobuffalo/packd v0.1.0/go.mod h1:M2Juc+hhDXf/PnmBANFCqx4DM3wRbgDvnVWe
github.com/gobuffalo/packr/v2 v2.0.9/go.mod h1:emmyGweYTm6Kdper+iywB6YK5YzuKchGtJQZ0Odn4pQ= github.com/gobuffalo/packr/v2 v2.0.9/go.mod h1:emmyGweYTm6Kdper+iywB6YK5YzuKchGtJQZ0Odn4pQ=
github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/VCm/3ptBN+0= github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/VCm/3ptBN+0=
github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw= github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw=
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee h1:s+21KNqlpePfkah2I+gwHF8xmJWRjooY+5248k6m4A0=
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
github.com/gocql/gocql v0.0.0-20190301043612-f6df8288f9b4/go.mod h1:4Fw1eo5iaEhDUs8XyuhSVCVy52Jq3L+/3GJgYkwc+/0= github.com/gocql/gocql v0.0.0-20190301043612-f6df8288f9b4/go.mod h1:4Fw1eo5iaEhDUs8XyuhSVCVy52Jq3L+/3GJgYkwc+/0=
github.com/gocql/gocql v0.0.0-20210515062232-b7ef815b4556/go.mod h1:DL0ekTmBSTdlNF25Orwt/JMzqIq3EJ4MVa/J/uK64OY= github.com/gocql/gocql v0.0.0-20210515062232-b7ef815b4556/go.mod h1:DL0ekTmBSTdlNF25Orwt/JMzqIq3EJ4MVa/J/uK64OY=
github.com/godbus/dbus v0.0.0-20151105175453-c7fdd8b5cd55/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw= github.com/godbus/dbus v0.0.0-20151105175453-c7fdd8b5cd55/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
@ -973,7 +992,7 @@ github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg= github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-containerregistry v0.5.1/go.mod h1:Ct15B4yir3PLOP5jsy0GNeYVaIZs/MK/Jz5any1wFW0= github.com/google/go-containerregistry v0.5.1/go.mod h1:Ct15B4yir3PLOP5jsy0GNeYVaIZs/MK/Jz5any1wFW0=
github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ= github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
github.com/google/go-github/v39 v39.2.0/go.mod h1:C1s8C5aCC9L+JXIYpJM5GYytdX52vC1bLvHEF1IhBrE= github.com/google/go-github/v39 v39.2.0/go.mod h1:C1s8C5aCC9L+JXIYpJM5GYytdX52vC1bLvHEF1IhBrE=
@ -1005,6 +1024,8 @@ github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLe
github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20221203041831-ce31453925ec h1:fR20TYVVwhK4O7r7y+McjRYyaTH6/vjwJOajE+XhlzM=
github.com/google/pprof v0.0.0-20221203041831-ce31453925ec/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@ -1041,6 +1062,7 @@ github.com/gorilla/sessions v1.2.1 h1:DHd3rPN5lE3Ts3D8rKkQ8x/0kqfeNmBAaiSi+o7Fsg
github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM= github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc= github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
@ -1091,6 +1113,8 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4= github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d h1:dg1dEPuWpEqDnvIw251EVy4zlP8gWbsGj4BsUKCRpYs= github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d h1:dg1dEPuWpEqDnvIw251EVy4zlP8gWbsGj4BsUKCRpYs=
github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4= github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hashicorp/golang-lru/v2 v2.0.1 h1:5pv5N1lT1fjLg2VQ5KWc7kmucp2x/kvFOnxuVTqZ6x4=
github.com/hashicorp/golang-lru/v2 v2.0.1/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ= github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64= github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ= github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
@ -1230,6 +1254,7 @@ github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/u
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
@ -1261,19 +1286,20 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4= github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
github.com/klauspost/compress v1.4.0/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A= github.com/klauspost/compress v1.4.0/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
github.com/klauspost/compress v1.9.5/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A= github.com/klauspost/compress v1.9.5/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs= github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.11.13/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs= github.com/klauspost/compress v1.11.13/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.13.1/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg= github.com/klauspost/compress v1.13.1/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg= github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk= github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
github.com/klauspost/compress v1.15.10 h1:Ai8UzuomSCDw90e1qNMtb15msBXsNpH6gzkkENQNcJo= github.com/klauspost/compress v1.15.12 h1:YClS/PImqYbn+UILDnqxQCZ3RehC9N318SU3kElDUEM=
github.com/klauspost/compress v1.15.10/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrDDJnH7hvFVbGM= github.com/klauspost/compress v1.15.12/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrDDJnH7hvFVbGM=
github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek= github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
github.com/klauspost/cpuid/v2 v2.0.4/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= github.com/klauspost/cpuid/v2 v2.0.4/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.1.1 h1:t0wUqjowdm8ezddV5k0tLWVklVuvLJpoHeb4WBdydm0= github.com/klauspost/cpuid/v2 v2.2.1 h1:U33DW0aiEj633gHYw3LoDNfkDiYnE5Q8M/TKJn2f2jI=
github.com/klauspost/cpuid/v2 v2.1.1/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY= github.com/klauspost/cpuid/v2 v2.2.1/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
github.com/klauspost/crc32 v0.0.0-20161016154125-cb6bfca970f6/go.mod h1:+ZoRqAPRLkC4NPOvfYeR5KNOrY6TD+/sAC3HXPZgDYg= github.com/klauspost/crc32 v0.0.0-20161016154125-cb6bfca970f6/go.mod h1:+ZoRqAPRLkC4NPOvfYeR5KNOrY6TD+/sAC3HXPZgDYg=
github.com/klauspost/pgzip v1.0.2-0.20170402124221-0bf5dcad4ada/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs= github.com/klauspost/pgzip v1.0.2-0.20170402124221-0bf5dcad4ada/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@ -1304,6 +1330,7 @@ github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL
github.com/ladydascalie/currency v1.6.0 h1:r5s/TMCYcpn6jPRHLV3F8nI7YjpY8trvstfuixxiHns= github.com/ladydascalie/currency v1.6.0 h1:r5s/TMCYcpn6jPRHLV3F8nI7YjpY8trvstfuixxiHns=
github.com/ladydascalie/currency v1.6.0/go.mod h1:C9eil8e6tthhBb5yhwoH1U0LT5hm1BP/g+v/V82KYjY= github.com/ladydascalie/currency v1.6.0/go.mod h1:C9eil8e6tthhBb5yhwoH1U0LT5hm1BP/g+v/V82KYjY=
github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8= github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w= github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY= github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
@ -1311,33 +1338,32 @@ github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.3.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= github.com/lib/pq v1.3.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lib/pq v1.10.0 h1:Zx5DJFEYQXio93kgXnQ09fXNiUKsqv4OUEu2UtGcB1E=
github.com/lib/pq v1.10.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/lib/pq v1.10.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lib/pq v1.10.4 h1:SO9z7FRPzA03QhHKJrH5BXA6HU1rS4V2nIVrrNC1iYk=
github.com/lib/pq v1.10.4/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
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github.com/libp2p/go-openssl v0.1.0 h1:LBkKEcUv6vtZIQLVTegAil8jbNpJErQ9AnT+bWV+Ooo=
github.com/libp2p/go-openssl v0.1.0/go.mod h1:OiOxwPpL3n4xlenjx2h7AwSGaFSC/KZvf6gNdOBQMtc=
github.com/libp2p/go-reuseport v0.2.0 h1:18PRvIMlpY6ZK85nIAicSBuXXvrYoSw3dsBAR7zc560= github.com/libp2p/go-reuseport v0.2.0 h1:18PRvIMlpY6ZK85nIAicSBuXXvrYoSw3dsBAR7zc560=
github.com/libp2p/go-reuseport v0.2.0/go.mod h1:bvVho6eLMm6Bz5hmU0LYN3ixd3nPPvtIlaURZZgOY4k= github.com/libp2p/go-reuseport v0.2.0/go.mod h1:bvVho6eLMm6Bz5hmU0LYN3ixd3nPPvtIlaURZZgOY4k=
github.com/libp2p/go-sockaddr v0.0.2/go.mod h1:syPvOmNs24S3dFVGJA1/mrqdeijPxLV2Le3BRLKd68k= github.com/libp2p/go-sockaddr v0.0.2/go.mod h1:syPvOmNs24S3dFVGJA1/mrqdeijPxLV2Le3BRLKd68k=
@ -1349,8 +1375,6 @@ github.com/linuxkit/virtsock v0.0.0-20201010232012-f8cee7dfc7a3/go.mod h1:3r6x7q
github.com/lucas-clemente/quic-go v0.7.1-0.20190401152353-907071221cf9/go.mod h1:PpMmPfPKO9nKJ/psF49ESTAGQSdfXxlg1otPbEB2nOw= github.com/lucas-clemente/quic-go v0.7.1-0.20190401152353-907071221cf9/go.mod h1:PpMmPfPKO9nKJ/psF49ESTAGQSdfXxlg1otPbEB2nOw=
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github.com/lucas-clemente/quic-go v0.19.3/go.mod h1:ADXpNbTQjq1hIzCpB+y/k5iz4n4z4IwqoLb94Kh5Hu8= github.com/lucas-clemente/quic-go v0.19.3/go.mod h1:ADXpNbTQjq1hIzCpB+y/k5iz4n4z4IwqoLb94Kh5Hu8=
github.com/lucas-clemente/quic-go v0.29.1 h1:Z+WMJ++qMLhvpFkRZA+jl3BTxUjm415YBmWanXB8zP0=
github.com/lucas-clemente/quic-go v0.29.1/go.mod h1:CTcNfLYJS2UuRNB+zcNlgvkjBhxX6Hm3WUxxAQx2mgE=
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github.com/lukechampine/stm v0.0.0-20191022212748-05486c32d236/go.mod h1:wTLsd5FC9rts7GkMpsPGk64CIuea+03yaLAp19Jmlg8= github.com/lukechampine/stm v0.0.0-20191022212748-05486c32d236/go.mod h1:wTLsd5FC9rts7GkMpsPGk64CIuea+03yaLAp19Jmlg8=
@ -1370,19 +1394,13 @@ github.com/markbates/pkger v0.15.1/go.mod h1:0JoVlrol20BSywW79rN3kdFFsE5xYM+rSCQ
github.com/markbates/safe v1.0.1/go.mod h1:nAqgmRi7cY2nqMc92/bSEeQA+R4OheNU2T1kNSCBdG0= github.com/markbates/safe v1.0.1/go.mod h1:nAqgmRi7cY2nqMc92/bSEeQA+R4OheNU2T1kNSCBdG0=
github.com/marstr/guid v1.1.0/go.mod h1:74gB1z2wpxxInTG6yaqA7KrtM0NZ+RbrcqDvYHefzho= github.com/marstr/guid v1.1.0/go.mod h1:74gB1z2wpxxInTG6yaqA7KrtM0NZ+RbrcqDvYHefzho=
github.com/marten-seemann/qpack v0.2.0/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc= github.com/marten-seemann/qpack v0.2.0/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc=
github.com/marten-seemann/qpack v0.2.1 h1:jvTsT/HpCn2UZJdP+UUB53FfUUgeOyG5K1ns0OJOGVs=
github.com/marten-seemann/qpack v0.2.1/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc= github.com/marten-seemann/qpack v0.2.1/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc=
github.com/marten-seemann/qtls v0.2.3/go.mod h1:xzjG7avBwGGbdZ8dTGxlBnLArsVKLvwmjgmPuiQEcYk= github.com/marten-seemann/qtls v0.2.3/go.mod h1:xzjG7avBwGGbdZ8dTGxlBnLArsVKLvwmjgmPuiQEcYk=
github.com/marten-seemann/qtls v0.10.0/go.mod h1:UvMd1oaYDACI99/oZUYLzMCkBXQVT0aGm99sJhbT8hs= github.com/marten-seemann/qtls v0.10.0/go.mod h1:UvMd1oaYDACI99/oZUYLzMCkBXQVT0aGm99sJhbT8hs=
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github.com/marten-seemann/qtls-go1-18 v0.1.2 h1:JH6jmzbduz0ITVQ7ShevK10Av5+jBEKAHMntXmIV7kM=
github.com/marten-seemann/qtls-go1-18 v0.1.2/go.mod h1:mJttiymBAByA49mhlNZZGrH5u1uXYZJ+RW28Py7f4m4=
github.com/marten-seemann/qtls-go1-19 v0.1.0 h1:rLFKD/9mp/uq1SYGYuVZhm83wkmU95pK5df3GufyYYU=
github.com/marten-seemann/qtls-go1-19 v0.1.0/go.mod h1:5HTDWtVudo/WFsHKRNuOhWlbdjrfs5JHrYb0wIJqGpI=
github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd h1:br0buuQ854V8u83wA0rVZ8ttrq5CpaPZdvrK0LP2lOk= github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd h1:br0buuQ854V8u83wA0rVZ8ttrq5CpaPZdvrK0LP2lOk=
github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd/go.mod h1:QuCEs1Nt24+FYQEqAAncTDPJIuGs+LxK1MCiFL25pMU= github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd/go.mod h1:QuCEs1Nt24+FYQEqAAncTDPJIuGs+LxK1MCiFL25pMU=
github.com/marten-seemann/webtransport-go v0.1.1 h1:TnyKp3pEXcDooTaNn4s9dYpMJ7kMnTp7k5h+SgYP/mc=
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github.com/mat/besticon v0.0.0-20210314201728-1579f269edb7/go.mod h1:RucRlHZcJbj2wwfsa5Vf6sZW5oIYv9ID65evx+CzUrw= github.com/mat/besticon v0.0.0-20210314201728-1579f269edb7/go.mod h1:RucRlHZcJbj2wwfsa5Vf6sZW5oIYv9ID65evx+CzUrw=
github.com/matryer/moq v0.0.0-20190312154309-6cfb0558e1bd/go.mod h1:9ELz6aaclSIGnZBoaSLZ3NAl1VTufbOrXBPvtcy6WiQ= github.com/matryer/moq v0.0.0-20190312154309-6cfb0558e1bd/go.mod h1:9ELz6aaclSIGnZBoaSLZ3NAl1VTufbOrXBPvtcy6WiQ=
@ -1409,8 +1427,6 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94= github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ= github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
github.com/mattn/go-pointer v0.0.1 h1:n+XhsuGeVO6MEAp7xyEukFINEa+Quek5psIR/ylA6o0=
github.com/mattn/go-pointer v0.0.1/go.mod h1:2zXcozF6qYGgmsG+SeTZz3oAbFLdD3OWqnUbNvJZAlc=
github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU= github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU= github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI= github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
@ -1432,8 +1448,9 @@ github.com/mattn/go-sqlite3 v2.0.2+incompatible h1:qzw9c2GNT8UFrgWNDhCTqRqYUSmu/
github.com/mattn/go-sqlite3 v2.0.2+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc= github.com/mattn/go-sqlite3 v2.0.2+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
github.com/mattn/go-tty v0.0.0-20180907095812-13ff1204f104/go.mod h1:XPvLUNfbS4fJH25nqRHfWLMa1ONC8Amw+mIA639KxkE= github.com/mattn/go-tty v0.0.0-20180907095812-13ff1204f104/go.mod h1:XPvLUNfbS4fJH25nqRHfWLMa1ONC8Amw+mIA639KxkE=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0= github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 h1:I0XW9+e1XWDxdcEniV4rQAIOPUGDq67JSCiRCgGCZLI=
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4= github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2/go.mod h1:eD9eIE7cdwcMi9rYluz88Jz2VyhSmden33/aXg4oVIY= github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2/go.mod h1:eD9eIE7cdwcMi9rYluz88Jz2VyhSmden33/aXg4oVIY=
github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8 h1:7TJiWD1knYDpOAPyFBoKqoyvlsa+UwDw0kv0jVN5Mrk= github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8 h1:7TJiWD1knYDpOAPyFBoKqoyvlsa+UwDw0kv0jVN5Mrk=
github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8/go.mod h1:Uz8uoD6o+eQN19hr6Yro/qKvW+KP6olFq+PK/Nn7gCE= github.com/meirf/gopart v0.0.0-20180520194036-37e9492a85a8/go.mod h1:Uz8uoD6o+eQN19hr6Yro/qKvW+KP6olFq+PK/Nn7gCE=
@ -1480,9 +1497,11 @@ github.com/moby/term v0.0.0-20200312100748-672ec06f55cd/go.mod h1:DdlQx2hp0Ss5/f
github.com/moby/term v0.0.0-20210610120745-9d4ed1856297/go.mod h1:vgPCkQMyxTZ7IDy8SXRufE172gr8+K/JE/7hHFxHW3A= github.com/moby/term v0.0.0-20210610120745-9d4ed1856297/go.mod h1:vgPCkQMyxTZ7IDy8SXRufE172gr8+K/JE/7hHFxHW3A=
github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6/go.mod h1:E2VnQOmVuvZB6UYnnDB0qG5Nq/1tD9acaOpo6xmt0Kw= github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6/go.mod h1:E2VnQOmVuvZB6UYnnDB0qG5Nq/1tD9acaOpo6xmt0Kw=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc= github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
github.com/morikuni/aec v0.0.0-20170113033406-39771216ff4c/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc= github.com/morikuni/aec v0.0.0-20170113033406-39771216ff4c/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
@ -1500,14 +1519,15 @@ github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOl
github.com/multiformats/go-base32 v0.0.3/go.mod h1:pLiuGC8y0QR3Ue4Zug5UzK9LjgbkL8NSQj0zQ5Nz/AA= github.com/multiformats/go-base32 v0.0.3/go.mod h1:pLiuGC8y0QR3Ue4Zug5UzK9LjgbkL8NSQj0zQ5Nz/AA=
github.com/multiformats/go-base32 v0.1.0 h1:pVx9xoSPqEIQG8o+UbAe7DNi51oej1NtK+aGkbLYxPE= github.com/multiformats/go-base32 v0.1.0 h1:pVx9xoSPqEIQG8o+UbAe7DNi51oej1NtK+aGkbLYxPE=
github.com/multiformats/go-base32 v0.1.0/go.mod h1:Kj3tFY6zNr+ABYMqeUNeGvkIC/UYgtWibDcT0rExnbI= github.com/multiformats/go-base32 v0.1.0/go.mod h1:Kj3tFY6zNr+ABYMqeUNeGvkIC/UYgtWibDcT0rExnbI=
github.com/multiformats/go-base36 v0.1.0 h1:JR6TyF7JjGd3m6FbLU2cOxhC0Li8z8dLNGQ89tUg4F4=
github.com/multiformats/go-base36 v0.1.0/go.mod h1:kFGE83c6s80PklsHO9sRn2NCoffoRdUUOENyW/Vv6sM= github.com/multiformats/go-base36 v0.1.0/go.mod h1:kFGE83c6s80PklsHO9sRn2NCoffoRdUUOENyW/Vv6sM=
github.com/multiformats/go-base36 v0.2.0 h1:lFsAbNOGeKtuKozrtBsAkSVhv1p9D0/qedU9rQyccr0=
github.com/multiformats/go-base36 v0.2.0/go.mod h1:qvnKE++v+2MWCfePClUEjE78Z7P2a1UV0xHgWc0hkp4=
github.com/multiformats/go-multiaddr v0.1.1/go.mod h1:aMKBKNEYmzmDmxfX88/vz+J5IU55txyt0p4aiWVohjo= github.com/multiformats/go-multiaddr v0.1.1/go.mod h1:aMKBKNEYmzmDmxfX88/vz+J5IU55txyt0p4aiWVohjo=
github.com/multiformats/go-multiaddr v0.2.0/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4= github.com/multiformats/go-multiaddr v0.2.0/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4=
github.com/multiformats/go-multiaddr v0.2.2/go.mod h1:NtfXiOtHvghW9KojvtySjH5y0u0xW5UouOmQQrn6a3Y= github.com/multiformats/go-multiaddr v0.2.2/go.mod h1:NtfXiOtHvghW9KojvtySjH5y0u0xW5UouOmQQrn6a3Y=
github.com/multiformats/go-multiaddr v0.3.2/go.mod h1:lCKNGP1EQ1eZ35Za2wlqnabm9xQkib3fyB+nZXHLag0= github.com/multiformats/go-multiaddr v0.3.2/go.mod h1:lCKNGP1EQ1eZ35Za2wlqnabm9xQkib3fyB+nZXHLag0=
github.com/multiformats/go-multiaddr v0.7.0 h1:gskHcdaCyPtp9XskVwtvEeQOG465sCohbQIirSyqxrc= github.com/multiformats/go-multiaddr v0.8.0 h1:aqjksEcqK+iD/Foe1RRFsGZh8+XFiGo7FgUCZlpv3LU=
github.com/multiformats/go-multiaddr v0.7.0/go.mod h1:Fs50eBDWvZu+l3/9S6xAE7ZYj6yhxlvaVZjakWN7xRs= github.com/multiformats/go-multiaddr v0.8.0/go.mod h1:Fs50eBDWvZu+l3/9S6xAE7ZYj6yhxlvaVZjakWN7xRs=
github.com/multiformats/go-multiaddr-dns v0.3.1 h1:QgQgR+LQVt3NPTjbrLLpsaT2ufAA2y0Mkk+QRVJbW3A= github.com/multiformats/go-multiaddr-dns v0.3.1 h1:QgQgR+LQVt3NPTjbrLLpsaT2ufAA2y0Mkk+QRVJbW3A=
github.com/multiformats/go-multiaddr-dns v0.3.1/go.mod h1:G/245BRQ6FJGmryJCrOuTdB37AMA5AMOVuO6NY3JwTk= github.com/multiformats/go-multiaddr-dns v0.3.1/go.mod h1:G/245BRQ6FJGmryJCrOuTdB37AMA5AMOVuO6NY3JwTk=
github.com/multiformats/go-multiaddr-fmt v0.1.0 h1:WLEFClPycPkp4fnIzoFoV9FVd49/eQsuaL3/CWe167E= github.com/multiformats/go-multiaddr-fmt v0.1.0 h1:WLEFClPycPkp4fnIzoFoV9FVd49/eQsuaL3/CWe167E=
@ -1515,20 +1535,21 @@ github.com/multiformats/go-multiaddr-fmt v0.1.0/go.mod h1:hGtDIW4PU4BqJ50gW2quDu
github.com/multiformats/go-multibase v0.0.3/go.mod h1:5+1R4eQrT3PkYZ24C3W2Ue2tPwIdYQD509ZjSb5y9Oc= github.com/multiformats/go-multibase v0.0.3/go.mod h1:5+1R4eQrT3PkYZ24C3W2Ue2tPwIdYQD509ZjSb5y9Oc=
github.com/multiformats/go-multibase v0.1.1 h1:3ASCDsuLX8+j4kx58qnJ4YFq/JWTJpCyDW27ztsVTOI= github.com/multiformats/go-multibase v0.1.1 h1:3ASCDsuLX8+j4kx58qnJ4YFq/JWTJpCyDW27ztsVTOI=
github.com/multiformats/go-multibase v0.1.1/go.mod h1:ZEjHE+IsUrgp5mhlEAYjMtZwK1k4haNkcaPg9aoe1a8= github.com/multiformats/go-multibase v0.1.1/go.mod h1:ZEjHE+IsUrgp5mhlEAYjMtZwK1k4haNkcaPg9aoe1a8=
github.com/multiformats/go-multicodec v0.6.0 h1:KhH2kSuCARyuJraYMFxrNO3DqIaYhOdS039kbhgVwpE= github.com/multiformats/go-multicodec v0.7.0 h1:rTUjGOwjlhGHbEMbPoSUJowG1spZTVsITRANCjKTUAQ=
github.com/multiformats/go-multicodec v0.6.0/go.mod h1:GUC8upxSBE4oG+q3kWZRw/+6yC1BqO550bjhWsJbZlw= github.com/multiformats/go-multicodec v0.7.0/go.mod h1:GUC8upxSBE4oG+q3kWZRw/+6yC1BqO550bjhWsJbZlw=
github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew= github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
github.com/multiformats/go-multihash v0.0.13/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc= github.com/multiformats/go-multihash v0.0.13/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc=
github.com/multiformats/go-multihash v0.0.14/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc= github.com/multiformats/go-multihash v0.0.14/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc=
github.com/multiformats/go-multihash v0.0.15/go.mod h1:D6aZrWNLFTV/ynMpKsNtB40mJzmCl4jb1alC0OvHiHg= github.com/multiformats/go-multihash v0.0.15/go.mod h1:D6aZrWNLFTV/ynMpKsNtB40mJzmCl4jb1alC0OvHiHg=
github.com/multiformats/go-multihash v0.2.1 h1:aem8ZT0VA2nCHHk7bPJ1BjUbHNciqZC/d16Vve9l108= github.com/multiformats/go-multihash v0.2.1 h1:aem8ZT0VA2nCHHk7bPJ1BjUbHNciqZC/d16Vve9l108=
github.com/multiformats/go-multihash v0.2.1/go.mod h1:WxoMcYG85AZVQUyRyo9s4wULvW5qrI9vb2Lt6evduFc= github.com/multiformats/go-multihash v0.2.1/go.mod h1:WxoMcYG85AZVQUyRyo9s4wULvW5qrI9vb2Lt6evduFc=
github.com/multiformats/go-multistream v0.3.3 h1:d5PZpjwRgVlbwfdTDjife7XszfZd8KYWfROYFlGcR8o= github.com/multiformats/go-multistream v0.4.1 h1:rFy0Iiyn3YT0asivDUIR05leAdwZq3de4741sbiSdfo=
github.com/multiformats/go-multistream v0.3.3/go.mod h1:ODRoqamLUsETKS9BNcII4gcRsJBU5VAwRIv7O39cEXg= github.com/multiformats/go-multistream v0.4.1/go.mod h1:Mz5eykRVAjJWckE2U78c6xqdtyNUEhKSM0Lwar2p77Q=
github.com/multiformats/go-varint v0.0.1/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE= github.com/multiformats/go-varint v0.0.1/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE= github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
github.com/multiformats/go-varint v0.0.6 h1:gk85QWKxh3TazbLxED/NlDVv8+q+ReFJk7Y2W/KhfNY=
github.com/multiformats/go-varint v0.0.6/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE= github.com/multiformats/go-varint v0.0.6/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
github.com/multiformats/go-varint v0.0.7 h1:sWSGR+f/eu5ABZA2ZpYKBILXTTs9JWpdEM/nEGOHFS8=
github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOELpZAu9eioSos/OU=
github.com/munnerz/goautoneg v0.0.0-20120707110453-a547fc61f48d/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ= github.com/munnerz/goautoneg v0.0.0-20120707110453-a547fc61f48d/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ= github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/mutecomm/go-sqlcipher v0.0.0-20190227152316-55dbde17881f h1:hd3r+uv9DNLScbOrnlj82rBldHQf3XWmCeXAWbw8euQ= github.com/mutecomm/go-sqlcipher v0.0.0-20190227152316-55dbde17881f h1:hd3r+uv9DNLScbOrnlj82rBldHQf3XWmCeXAWbw8euQ=
@ -1583,6 +1604,8 @@ github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vv
github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE= github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU= github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c= github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
github.com/onsi/ginkgo/v2 v2.5.1 h1:auzK7OI497k6x4OvWq+TKAcpcSAlod0doAH72oIN0Jw=
github.com/onsi/ginkgo/v2 v2.5.1/go.mod h1:63DOGlLAH8+REH8jUGdL3YpCpu7JODesutUjdENfUAc=
github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA= github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA= github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA= github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
@ -1596,8 +1619,8 @@ github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDs
github.com/onsi/gomega v1.11.0/go.mod h1:azGKhqFUon9Vuj0YmTfLSmx0FUwqXYSTl5re8lQLTUg= github.com/onsi/gomega v1.11.0/go.mod h1:azGKhqFUon9Vuj0YmTfLSmx0FUwqXYSTl5re8lQLTUg=
github.com/onsi/gomega v1.15.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0= github.com/onsi/gomega v1.15.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY= github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
github.com/onsi/gomega v1.19.0 h1:4ieX6qQjPP/BfC3mpsAtIGGlxTWPeA3Inl/7DtXw1tw=
github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro= github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro=
github.com/onsi/gomega v1.24.0 h1:+0glovB9Jd6z3VR+ScSwQqXVTIfJcGA9UBM8yzQxhqg=
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk= github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s= github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s= github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
@ -1778,16 +1801,17 @@ github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP
github.com/prometheus/client_golang v1.9.0/go.mod h1:FqZLKOZnGdFAhOK4nqGHa7D66IdsO+O441Eve7ptJDU= github.com/prometheus/client_golang v1.9.0/go.mod h1:FqZLKOZnGdFAhOK4nqGHa7D66IdsO+O441Eve7ptJDU=
github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0= github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY= github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_golang v1.13.0 h1:b71QUfeo5M8gq2+evJdTPfZhYMAU0uKPkyPJ7TPsloU= github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ= github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.1.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.1.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
@ -1827,6 +1851,18 @@ github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0ua
github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
github.com/prometheus/tsdb v0.10.0 h1:If5rVCMTp6W2SiRAQFlbpJNgVlgMEd+U2GZckwK38ic= github.com/prometheus/tsdb v0.10.0 h1:If5rVCMTp6W2SiRAQFlbpJNgVlgMEd+U2GZckwK38ic=
github.com/prometheus/tsdb v0.10.0/go.mod h1:oi49uRhEe9dPUTlS3JRZOwJuVi6tmh10QSgwXEyGCt4= github.com/prometheus/tsdb v0.10.0/go.mod h1:oi49uRhEe9dPUTlS3JRZOwJuVi6tmh10QSgwXEyGCt4=
github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
github.com/quic-go/qtls-go1-18 v0.2.0 h1:5ViXqBZ90wpUcZS0ge79rf029yx0dYB0McyPJwqqj7U=
github.com/quic-go/qtls-go1-18 v0.2.0/go.mod h1:moGulGHK7o6O8lSPSZNoOwcLvJKJ85vVNc7oJFD65bc=
github.com/quic-go/qtls-go1-19 v0.2.0 h1:Cvn2WdhyViFUHoOqK52i51k4nDX8EwIh5VJiVM4nttk=
github.com/quic-go/qtls-go1-19 v0.2.0/go.mod h1:ySOI96ew8lnoKPtSqx2BlI5wCpUVPT05RMAlajtnyOI=
github.com/quic-go/qtls-go1-20 v0.1.0 h1:d1PK3ErFy9t7zxKsG3NXBJXZjp/kMLoIb3y/kV54oAI=
github.com/quic-go/qtls-go1-20 v0.1.0/go.mod h1:JKtK6mjbAVcUTN/9jZpvLbGxvdWIKS8uT7EiStoU1SM=
github.com/quic-go/quic-go v0.32.0 h1:lY02md31s1JgPiiyfqJijpu/UX/Iun304FI3yUqX7tA=
github.com/quic-go/quic-go v0.32.0/go.mod h1:/fCsKANhQIeD5l76c2JFU+07gVE3KaA0FP+0zMWwfwo=
github.com/quic-go/webtransport-go v0.5.1 h1:1eVb7WDWCRoaeTtFHpFBJ6WDN1bSrPrRoW6tZgSw0Ow=
github.com/quic-go/webtransport-go v0.5.1/go.mod h1:OhmmgJIzTTqXK5xvtuX0oBpLV2GkLWNDA+UeTGJXErU=
github.com/raulk/go-watchdog v1.3.0 h1:oUmdlHxdkXRJlwfG0O9omj8ukerm8MEQavSiDTEtBsk= github.com/raulk/go-watchdog v1.3.0 h1:oUmdlHxdkXRJlwfG0O9omj8ukerm8MEQavSiDTEtBsk=
github.com/raulk/go-watchdog v1.3.0/go.mod h1:fIvOnLbF0b0ZwkB9YU4mOW9Did//4vPZtDqv66NfsMU= github.com/raulk/go-watchdog v1.3.0/go.mod h1:fIvOnLbF0b0ZwkB9YU4mOW9Did//4vPZtDqv66NfsMU=
github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4= github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
@ -1934,8 +1970,6 @@ github.com/soheilhy/cmux v0.1.5/go.mod h1:T7TcVDs9LWfQgPlPsdngu6I6QIoyIFZDDC6sNE
github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY= github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:UdhH50NIW0fCiwBSr0co2m7BnFLdv4fQTgdqdJTHFeE= github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:UdhH50NIW0fCiwBSr0co2m7BnFLdv4fQTgdqdJTHFeE=
github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA= github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA=
github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 h1:RC6RW7j+1+HkWaX/Yh71Ee5ZHaHYt7ZP4sQgUrm6cDU=
github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572/go.mod h1:w0SWMsp6j9O/dk4/ZpIhL+3CkG8ofA2vuv7k+ltqUMc=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA= github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI= github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA= github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
@ -2043,13 +2077,17 @@ github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef/go.mod h1:s
github.com/tyler-smith/go-bip39 v1.1.0 h1:5eUemwrMargf3BSLRRCalXT93Ns6pQJIjYQN2nyfOP8= github.com/tyler-smith/go-bip39 v1.1.0 h1:5eUemwrMargf3BSLRRCalXT93Ns6pQJIjYQN2nyfOP8=
github.com/tyler-smith/go-bip39 v1.1.0/go.mod h1:gUYDtqQw1JS3ZJ8UWVcGTGqqr6YIN3CWg+kkNaLt55U= github.com/tyler-smith/go-bip39 v1.1.0/go.mod h1:gUYDtqQw1JS3ZJ8UWVcGTGqqr6YIN3CWg+kkNaLt55U=
github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc= github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0= github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0= github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI= github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
github.com/urfave/cli/v2 v2.23.7 h1:YHDQ46s3VghFHFf1DdF+Sh7H4RqhcM+t0TmZRJx4oJY= github.com/urfave/cli/v2 v2.24.4 h1:0gyJJEBYtCV87zI/x2nZCPyDxD51K6xM8SkwjHFCNEU=
github.com/urfave/cli/v2 v2.23.7/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc= github.com/urfave/cli/v2 v2.24.4/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
github.com/vacp2p/mvds v0.0.24-0.20201124060106-26d8e94130d8 h1:aSQuY64yglPb7I6lZRXt/xWD4ExM1DZo8Gpb7xCz6zk= github.com/vacp2p/mvds v0.0.24-0.20201124060106-26d8e94130d8 h1:aSQuY64yglPb7I6lZRXt/xWD4ExM1DZo8Gpb7xCz6zk=
github.com/vacp2p/mvds v0.0.24-0.20201124060106-26d8e94130d8/go.mod h1:uUmtiahU7efOVl/5w5yk9jOze5xYpDZDrSrT8TvHXjQ= github.com/vacp2p/mvds v0.0.24-0.20201124060106-26d8e94130d8/go.mod h1:uUmtiahU7efOVl/5w5yk9jOze5xYpDZDrSrT8TvHXjQ=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
@ -2067,8 +2105,8 @@ github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0= github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98 h1:xwY0kW5XZFimdqfZb9cZwT1S3VJP9j3AE6bdNd9boXM= github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98 h1:xwY0kW5XZFimdqfZb9cZwT1S3VJP9j3AE6bdNd9boXM=
github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98/go.mod h1:eBHgM6T4EG0RZzxpxKy+rGz/6Dw2Nd8DWxS0lm9ESDw= github.com/waku-org/go-discover v0.0.0-20221209174356-61c833f34d98/go.mod h1:eBHgM6T4EG0RZzxpxKy+rGz/6Dw2Nd8DWxS0lm9ESDw=
github.com/waku-org/go-waku v0.4.1-0.20230213133834-a3f08943acb4 h1:juvZsi9AXnZrUjRw1nt8K6aK++kY0I60HJxFBaYe7kI= github.com/waku-org/go-waku v0.5.2-0.20230221221637-74b734c337e9 h1:9AiqlpVucwUx+Lm1gBLOwk1VUgozGYmnJ4KM9mH/Irk=
github.com/waku-org/go-waku v0.4.1-0.20230213133834-a3f08943acb4/go.mod h1:sI14mN/sM8inIb2x2b462wydSEFyOyuDKI1cjiVIIpM= github.com/waku-org/go-waku v0.5.2-0.20230221221637-74b734c337e9/go.mod h1:hupqK7cKFAmY+r/EW7LLaPnMLsPrm0fW1OuR6KrO8a8=
github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg h1:2vVIBCtBih2w1K9ll8YnToTDZvbxcgbsClsPlJS/kkg= github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg h1:2vVIBCtBih2w1K9ll8YnToTDZvbxcgbsClsPlJS/kkg=
github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg/go.mod h1:GlyaVeEWNEBxVJrWC6jFTvb4LNb9d9qnjdS6EiWVUvk= github.com/waku-org/go-zerokit-rln v0.1.7-wakuorg/go.mod h1:GlyaVeEWNEBxVJrWC6jFTvb4LNb9d9qnjdS6EiWVUvk=
github.com/wealdtech/go-ens/v3 v3.5.0 h1:Huc9GxBgiGweCOGTYomvsg07K2QggAqZpZ5SuiZdC8o= github.com/wealdtech/go-ens/v3 v3.5.0 h1:Huc9GxBgiGweCOGTYomvsg07K2QggAqZpZ5SuiZdC8o=
@ -2077,8 +2115,6 @@ github.com/wealdtech/go-multicodec v1.4.0 h1:iq5PgxwssxnXGGPTIK1srvt6U5bJwIp7k6k
github.com/wealdtech/go-multicodec v1.4.0/go.mod h1:aedGMaTeYkIqi/KCPre1ho5rTb3hGpu/snBOS3GQLw4= github.com/wealdtech/go-multicodec v1.4.0/go.mod h1:aedGMaTeYkIqi/KCPre1ho5rTb3hGpu/snBOS3GQLw4=
github.com/wealdtech/go-string2eth v1.1.0 h1:USJQmysUrBYYmZs7d45pMb90hRSyEwizP7lZaOZLDAw= github.com/wealdtech/go-string2eth v1.1.0 h1:USJQmysUrBYYmZs7d45pMb90hRSyEwizP7lZaOZLDAw=
github.com/wealdtech/go-string2eth v1.1.0/go.mod h1:RUzsLjJtbZaJ/3UKn9kY19a/vCCUHtEWoUW3uiK6yGU= github.com/wealdtech/go-string2eth v1.1.0/go.mod h1:RUzsLjJtbZaJ/3UKn9kY19a/vCCUHtEWoUW3uiK6yGU=
github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee h1:lYbXeSvJi5zk5GLKVuid9TVjS9a0OmLIDKTfoZBL6Ow=
github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee/go.mod h1:m2aV4LZI4Aez7dP5PMyVKEHhUyEJ/RjmPEDOpDvudHg=
github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4= github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
github.com/willf/bitset v1.1.9/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4= github.com/willf/bitset v1.1.9/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4= github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
@ -2150,8 +2186,9 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk= go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E= go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/contrib v0.20.0/go.mod h1:G/EtFaa6qaN7+LxqfIAT3GiZa7Wv5DTBUzl5H4LY0Kc= go.opentelemetry.io/contrib v0.20.0/go.mod h1:G/EtFaa6qaN7+LxqfIAT3GiZa7Wv5DTBUzl5H4LY0Kc=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0/go.mod h1:oVGt1LRbBOBq1A5BQLlUg9UaU/54aiHw8cgjV3aWZ/E= go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0/go.mod h1:oVGt1LRbBOBq1A5BQLlUg9UaU/54aiHw8cgjV3aWZ/E=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.28.0/go.mod h1:vEhqr0m4eTc+DWxfsXoXue2GBgV2uUwVznkGIHW/e5w= go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.28.0/go.mod h1:vEhqr0m4eTc+DWxfsXoXue2GBgV2uUwVznkGIHW/e5w=
@ -2180,6 +2217,10 @@ go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ= go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0= go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
go.uber.org/dig v1.15.0 h1:vq3YWr8zRj1eFGC7Gvf907hE0eRjPTZ1d3xHadD6liE=
go.uber.org/dig v1.15.0/go.mod h1:pKHs0wMynzL6brANhB2hLMro+zalv1osARTviTcqHLM=
go.uber.org/fx v1.18.2 h1:bUNI6oShr+OVFQeU8cDNbnN7VFsu+SsjHzUF51V/GAU=
go.uber.org/fx v1.18.2/go.mod h1:g0V1KMQ66zIRk8bLu3Ea5Jt2w/cHlOIp4wdRsgh0JaY=
go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A= go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
go.uber.org/goleak v1.1.11-0.20210813005559-691160354723/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ= go.uber.org/goleak v1.1.11-0.20210813005559-691160354723/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA= go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA=
@ -2197,8 +2238,8 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ= go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo= go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI= go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI=
go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY= go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY= go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE= go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw= golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@ -2246,8 +2287,8 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e h1:T8NU3HyQ8ClP4SEE+KbFlg6n0NhuTsN4MyznaarGsZM= golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8=
golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80=
golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@ -2262,8 +2303,8 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM= golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU= golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b h1:SCE/18RnFsLrjydh/R/s5EVvHoZprqEQUuoxK8q2Pc4= golang.org/x/exp v0.0.0-20221205204356-47842c84f3db h1:D/cFflL63o2KSLJIwjlcIt8PR064j/xsmdEJL/YvY/o=
golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE= golang.org/x/exp v0.0.0-20221205204356-47842c84f3db/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs= golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
@ -2300,8 +2341,8 @@ golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro= golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s= golang.org/x/mod v0.7.0 h1:LapD9S96VoQRhi/GrNTqeBJFrUjs5UHCAtTlgwA5oZA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180524181706-dfa909b99c79/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180524181706-dfa909b99c79/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -2372,7 +2413,6 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210420210106-798c2154c571/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM= golang.org/x/net v0.0.0-20210420210106-798c2154c571/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM=
golang.org/x/net v0.0.0-20210423184538-5f58ad60dda6/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
golang.org/x/net v0.0.0-20210427231257-85d9c07bbe3a/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk= golang.org/x/net v0.0.0-20210427231257-85d9c07bbe3a/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk= golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@ -2392,8 +2432,8 @@ golang.org/x/net v0.0.0-20220111093109-d55c255bac03/go.mod h1:9nx3DQGgdP8bBQD5qx
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk= golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk= golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.0.0-20220920183852-bf014ff85ad5 h1:KafLifaRFIuSJ5C+7CyFJOF9haxKNC1CEIDk8GX6X0k= golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
golang.org/x/net v0.0.0-20220920183852-bf014ff85ad5/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk= golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
golang.org/x/oauth2 v0.0.0-20180227000427-d7d64896b5ff/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20180227000427-d7d64896b5ff/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@ -2556,7 +2596,6 @@ golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20210420205809-ac73e9fd8988/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210420205809-ac73e9fd8988/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210426080607-c94f62235c83/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210426230700-d19ff857e887/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210426230700-d19ff857e887/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@ -2590,14 +2629,15 @@ golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43 h1:OK7RB6t2WQX54srQQYSXMW8dF5C6/8+oA/s5QBmmto4= golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
golang.org/x/sys v0.0.0-20221013171732-95e765b1cc43/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.3.0 h1:qoo4akIqOcDME5bhc/NgxUdovd6BSS2uMsVjB56q1xI=
golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -2607,8 +2647,8 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg= golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@ -2707,8 +2747,8 @@ golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.12 h1:VveCTK38A2rkS8ZqFY25HIDFscX5X9OoEhJd3quQmXU= golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -3149,6 +3189,8 @@ modernc.org/z v1.0.1/go.mod h1:8/SRk5C/HgiQWCgXdfpb+1RvhORdkz5sw72d3jjtyqA=
modernc.org/z v1.1.2/go.mod h1:sj9T1AGBG0dm6SCVzldPOHWrif6XBpooJtbttMn1+Js= modernc.org/z v1.1.2/go.mod h1:sj9T1AGBG0dm6SCVzldPOHWrif6XBpooJtbttMn1+Js=
modernc.org/z v1.2.19/go.mod h1:+ZpP0pc4zz97eukOzW3xagV/lS82IpPN9NGG5pNF9vY= modernc.org/z v1.2.19/go.mod h1:+ZpP0pc4zz97eukOzW3xagV/lS82IpPN9NGG5pNF9vY=
modernc.org/zappy v1.0.0/go.mod h1:hHe+oGahLVII/aTTyWK/b53VDHMAGCBYYeZ9sn83HC4= modernc.org/zappy v1.0.0/go.mod h1:hHe+oGahLVII/aTTyWK/b53VDHMAGCBYYeZ9sn83HC4=
nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 h1:slmdOY3vp8a7KQbHkL+FLbvbkgMqmXojpFUO/jENuqQ= olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 h1:slmdOY3vp8a7KQbHkL+FLbvbkgMqmXojpFUO/jENuqQ=
olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3/go.mod h1:oVgVk4OWVDi43qWBEyGhXgYxt7+ED4iYNpTngSLX2Iw= olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3/go.mod h1:oVgVk4OWVDi43qWBEyGhXgYxt7+ED4iYNpTngSLX2Iw=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

View file

@ -1,12 +1,16 @@
package protocol package protocol
import "github.com/status-im/status-go/eth-node/types" import (
"github.com/libp2p/go-libp2p/core/peer"
func (m *Messenger) AddStorePeer(address string) (string, error) { "github.com/status-im/status-go/eth-node/types"
)
func (m *Messenger) AddStorePeer(address string) (peer.ID, error) {
return m.transport.AddStorePeer(address) return m.transport.AddStorePeer(address)
} }
func (m *Messenger) AddRelayPeer(address string) (string, error) { func (m *Messenger) AddRelayPeer(address string) (peer.ID, error) {
return m.transport.AddStorePeer(address) return m.transport.AddStorePeer(address)
} }

View file

@ -11,6 +11,7 @@ import (
"time" "time"
"github.com/google/uuid" "github.com/google/uuid"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/pkg/errors" "github.com/pkg/errors"
"go.uber.org/zap" "go.uber.org/zap"
@ -653,11 +654,11 @@ func (t *Transport) ListenAddresses() ([]string, error) {
return t.waku.ListenAddresses() return t.waku.ListenAddresses()
} }
func (t *Transport) AddStorePeer(address string) (string, error) { func (t *Transport) AddStorePeer(address string) (peer.ID, error) {
return t.waku.AddStorePeer(address) return t.waku.AddStorePeer(address)
} }
func (t *Transport) AddRelayPeer(address string) (string, error) { func (t *Transport) AddRelayPeer(address string) (peer.ID, error) {
return t.waku.AddRelayPeer(address) return t.waku.AddRelayPeer(address)
} }

View file

@ -1186,11 +1186,13 @@ func (api *PublicAPI) DisableCommunityHistoryArchiveProtocol() error {
} }
func (api *PublicAPI) AddStorePeer(address string) (string, error) { func (api *PublicAPI) AddStorePeer(address string) (string, error) {
return api.service.messenger.AddStorePeer(address) peerID, err := api.service.messenger.AddStorePeer(address)
return string(peerID), err
} }
func (api *PublicAPI) AddRelayPeer(address string) (string, error) { func (api *PublicAPI) AddRelayPeer(address string) (string, error) {
return api.service.messenger.AddRelayPeer(address) peerID, err := api.service.messenger.AddRelayPeer(address)
return string(peerID), err
} }
func (api *PublicAPI) DialPeer(address string) error { func (api *PublicAPI) DialPeer(address string) error {

View file

@ -3,8 +3,7 @@
[![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2) [![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2)
[![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml) [![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml)
xxhash is a Go implementation of the 64-bit xxhash is a Go implementation of the 64-bit [xxHash] algorithm, XXH64. This is a
[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
high-quality hashing algorithm that is much faster than anything in the Go high-quality hashing algorithm that is much faster than anything in the Go
standard library. standard library.
@ -25,8 +24,11 @@ func (*Digest) WriteString(string) (int, error)
func (*Digest) Sum64() uint64 func (*Digest) Sum64() uint64
``` ```
This implementation provides a fast pure-Go implementation and an even faster The package is written with optimized pure Go and also contains even faster
assembly implementation for amd64. assembly implementations for amd64 and arm64. If desired, the `purego` build tag
opts into using the Go code even on those architectures.
[xxHash]: http://cyan4973.github.io/xxHash/
## Compatibility ## Compatibility
@ -45,19 +47,20 @@ I recommend using the latest release of Go.
Here are some quick benchmarks comparing the pure-Go and assembly Here are some quick benchmarks comparing the pure-Go and assembly
implementations of Sum64. implementations of Sum64.
| input size | purego | asm | | input size | purego | asm |
| --- | --- | --- | | ---------- | --------- | --------- |
| 5 B | 979.66 MB/s | 1291.17 MB/s | | 4 B | 1.3 GB/s | 1.2 GB/s |
| 100 B | 7475.26 MB/s | 7973.40 MB/s | | 16 B | 2.9 GB/s | 3.5 GB/s |
| 4 KB | 17573.46 MB/s | 17602.65 MB/s | | 100 B | 6.9 GB/s | 8.1 GB/s |
| 10 MB | 17131.46 MB/s | 17142.16 MB/s | | 4 KB | 11.7 GB/s | 16.7 GB/s |
| 10 MB | 12.0 GB/s | 17.3 GB/s |
These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using These numbers were generated on Ubuntu 20.04 with an Intel Xeon Platinum 8252C
the following commands under Go 1.11.2: CPU using the following commands under Go 1.19.2:
``` ```
$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes' benchstat <(go test -tags purego -benchtime 500ms -count 15 -bench 'Sum64$')
$ go test -benchtime 10s -bench '/xxhash,direct,bytes' benchstat <(go test -benchtime 500ms -count 15 -bench 'Sum64$')
``` ```
## Projects using this package ## Projects using this package

10
vendor/github.com/cespare/xxhash/v2/testall.sh generated vendored Normal file
View file

@ -0,0 +1,10 @@
#!/bin/bash
set -eu -o pipefail
# Small convenience script for running the tests with various combinations of
# arch/tags. This assumes we're running on amd64 and have qemu available.
go test ./...
go test -tags purego ./...
GOARCH=arm64 go test
GOARCH=arm64 go test -tags purego

View file

@ -16,19 +16,11 @@ const (
prime5 uint64 = 2870177450012600261 prime5 uint64 = 2870177450012600261
) )
// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where // Store the primes in an array as well.
// possible in the Go code is worth a small (but measurable) performance boost //
// by avoiding some MOVQs. Vars are needed for the asm and also are useful for // The consts are used when possible in Go code to avoid MOVs but we need a
// convenience in the Go code in a few places where we need to intentionally // contiguous array of the assembly code.
// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the var primes = [...]uint64{prime1, prime2, prime3, prime4, prime5}
// result overflows a uint64).
var (
prime1v = prime1
prime2v = prime2
prime3v = prime3
prime4v = prime4
prime5v = prime5
)
// Digest implements hash.Hash64. // Digest implements hash.Hash64.
type Digest struct { type Digest struct {
@ -50,10 +42,10 @@ func New() *Digest {
// Reset clears the Digest's state so that it can be reused. // Reset clears the Digest's state so that it can be reused.
func (d *Digest) Reset() { func (d *Digest) Reset() {
d.v1 = prime1v + prime2 d.v1 = primes[0] + prime2
d.v2 = prime2 d.v2 = prime2
d.v3 = 0 d.v3 = 0
d.v4 = -prime1v d.v4 = -primes[0]
d.total = 0 d.total = 0
d.n = 0 d.n = 0
} }
@ -69,21 +61,23 @@ func (d *Digest) Write(b []byte) (n int, err error) {
n = len(b) n = len(b)
d.total += uint64(n) d.total += uint64(n)
memleft := d.mem[d.n&(len(d.mem)-1):]
if d.n+n < 32 { if d.n+n < 32 {
// This new data doesn't even fill the current block. // This new data doesn't even fill the current block.
copy(d.mem[d.n:], b) copy(memleft, b)
d.n += n d.n += n
return return
} }
if d.n > 0 { if d.n > 0 {
// Finish off the partial block. // Finish off the partial block.
copy(d.mem[d.n:], b) c := copy(memleft, b)
d.v1 = round(d.v1, u64(d.mem[0:8])) d.v1 = round(d.v1, u64(d.mem[0:8]))
d.v2 = round(d.v2, u64(d.mem[8:16])) d.v2 = round(d.v2, u64(d.mem[8:16]))
d.v3 = round(d.v3, u64(d.mem[16:24])) d.v3 = round(d.v3, u64(d.mem[16:24]))
d.v4 = round(d.v4, u64(d.mem[24:32])) d.v4 = round(d.v4, u64(d.mem[24:32]))
b = b[32-d.n:] b = b[c:]
d.n = 0 d.n = 0
} }
@ -133,21 +127,20 @@ func (d *Digest) Sum64() uint64 {
h += d.total h += d.total
i, end := 0, d.n b := d.mem[:d.n&(len(d.mem)-1)]
for ; i+8 <= end; i += 8 { for ; len(b) >= 8; b = b[8:] {
k1 := round(0, u64(d.mem[i:i+8])) k1 := round(0, u64(b[:8]))
h ^= k1 h ^= k1
h = rol27(h)*prime1 + prime4 h = rol27(h)*prime1 + prime4
} }
if i+4 <= end { if len(b) >= 4 {
h ^= uint64(u32(d.mem[i:i+4])) * prime1 h ^= uint64(u32(b[:4])) * prime1
h = rol23(h)*prime2 + prime3 h = rol23(h)*prime2 + prime3
i += 4 b = b[4:]
} }
for i < end { for ; len(b) > 0; b = b[1:] {
h ^= uint64(d.mem[i]) * prime5 h ^= uint64(b[0]) * prime5
h = rol11(h) * prime1 h = rol11(h) * prime1
i++
} }
h ^= h >> 33 h ^= h >> 33

View file

@ -1,13 +0,0 @@
// +build !appengine
// +build gc
// +build !purego
package xxhash
// Sum64 computes the 64-bit xxHash digest of b.
//
//go:noescape
func Sum64(b []byte) uint64
//go:noescape
func writeBlocks(d *Digest, b []byte) int

View file

@ -1,215 +1,209 @@
//go:build !appengine && gc && !purego
// +build !appengine // +build !appengine
// +build gc // +build gc
// +build !purego // +build !purego
#include "textflag.h" #include "textflag.h"
// Register allocation: // Registers:
// AX h #define h AX
// SI pointer to advance through b #define d AX
// DX n #define p SI // pointer to advance through b
// BX loop end #define n DX
// R8 v1, k1 #define end BX // loop end
// R9 v2 #define v1 R8
// R10 v3 #define v2 R9
// R11 v4 #define v3 R10
// R12 tmp #define v4 R11
// R13 prime1v #define x R12
// R14 prime2v #define prime1 R13
// DI prime4v #define prime2 R14
#define prime4 DI
// round reads from and advances the buffer pointer in SI. #define round(acc, x) \
// It assumes that R13 has prime1v and R14 has prime2v. IMULQ prime2, x \
#define round(r) \ ADDQ x, acc \
MOVQ (SI), R12 \ ROLQ $31, acc \
ADDQ $8, SI \ IMULQ prime1, acc
IMULQ R14, R12 \
ADDQ R12, r \
ROLQ $31, r \
IMULQ R13, r
// mergeRound applies a merge round on the two registers acc and val. // round0 performs the operation x = round(0, x).
// It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v. #define round0(x) \
#define mergeRound(acc, val) \ IMULQ prime2, x \
IMULQ R14, val \ ROLQ $31, x \
ROLQ $31, val \ IMULQ prime1, x
IMULQ R13, val \
XORQ val, acc \ // mergeRound applies a merge round on the two registers acc and x.
IMULQ R13, acc \ // It assumes that prime1, prime2, and prime4 have been loaded.
ADDQ DI, acc #define mergeRound(acc, x) \
round0(x) \
XORQ x, acc \
IMULQ prime1, acc \
ADDQ prime4, acc
// blockLoop processes as many 32-byte blocks as possible,
// updating v1, v2, v3, and v4. It assumes that there is at least one block
// to process.
#define blockLoop() \
loop: \
MOVQ +0(p), x \
round(v1, x) \
MOVQ +8(p), x \
round(v2, x) \
MOVQ +16(p), x \
round(v3, x) \
MOVQ +24(p), x \
round(v4, x) \
ADDQ $32, p \
CMPQ p, end \
JLE loop
// func Sum64(b []byte) uint64 // func Sum64(b []byte) uint64
TEXT ·Sum64(SB), NOSPLIT, $0-32 TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32
// Load fixed primes. // Load fixed primes.
MOVQ ·prime1v(SB), R13 MOVQ ·primes+0(SB), prime1
MOVQ ·prime2v(SB), R14 MOVQ ·primes+8(SB), prime2
MOVQ ·prime4v(SB), DI MOVQ ·primes+24(SB), prime4
// Load slice. // Load slice.
MOVQ b_base+0(FP), SI MOVQ b_base+0(FP), p
MOVQ b_len+8(FP), DX MOVQ b_len+8(FP), n
LEAQ (SI)(DX*1), BX LEAQ (p)(n*1), end
// The first loop limit will be len(b)-32. // The first loop limit will be len(b)-32.
SUBQ $32, BX SUBQ $32, end
// Check whether we have at least one block. // Check whether we have at least one block.
CMPQ DX, $32 CMPQ n, $32
JLT noBlocks JLT noBlocks
// Set up initial state (v1, v2, v3, v4). // Set up initial state (v1, v2, v3, v4).
MOVQ R13, R8 MOVQ prime1, v1
ADDQ R14, R8 ADDQ prime2, v1
MOVQ R14, R9 MOVQ prime2, v2
XORQ R10, R10 XORQ v3, v3
XORQ R11, R11 XORQ v4, v4
SUBQ R13, R11 SUBQ prime1, v4
// Loop until SI > BX. blockLoop()
blockLoop:
round(R8)
round(R9)
round(R10)
round(R11)
CMPQ SI, BX MOVQ v1, h
JLE blockLoop ROLQ $1, h
MOVQ v2, x
ROLQ $7, x
ADDQ x, h
MOVQ v3, x
ROLQ $12, x
ADDQ x, h
MOVQ v4, x
ROLQ $18, x
ADDQ x, h
MOVQ R8, AX mergeRound(h, v1)
ROLQ $1, AX mergeRound(h, v2)
MOVQ R9, R12 mergeRound(h, v3)
ROLQ $7, R12 mergeRound(h, v4)
ADDQ R12, AX
MOVQ R10, R12
ROLQ $12, R12
ADDQ R12, AX
MOVQ R11, R12
ROLQ $18, R12
ADDQ R12, AX
mergeRound(AX, R8)
mergeRound(AX, R9)
mergeRound(AX, R10)
mergeRound(AX, R11)
JMP afterBlocks JMP afterBlocks
noBlocks: noBlocks:
MOVQ ·prime5v(SB), AX MOVQ ·primes+32(SB), h
afterBlocks: afterBlocks:
ADDQ DX, AX ADDQ n, h
// Right now BX has len(b)-32, and we want to loop until SI > len(b)-8. ADDQ $24, end
ADDQ $24, BX CMPQ p, end
JG try4
CMPQ SI, BX loop8:
JG fourByte MOVQ (p), x
ADDQ $8, p
round0(x)
XORQ x, h
ROLQ $27, h
IMULQ prime1, h
ADDQ prime4, h
wordLoop: CMPQ p, end
// Calculate k1. JLE loop8
MOVQ (SI), R8
ADDQ $8, SI
IMULQ R14, R8
ROLQ $31, R8
IMULQ R13, R8
XORQ R8, AX try4:
ROLQ $27, AX ADDQ $4, end
IMULQ R13, AX CMPQ p, end
ADDQ DI, AX JG try1
CMPQ SI, BX MOVL (p), x
JLE wordLoop ADDQ $4, p
IMULQ prime1, x
XORQ x, h
fourByte: ROLQ $23, h
ADDQ $4, BX IMULQ prime2, h
CMPQ SI, BX ADDQ ·primes+16(SB), h
JG singles
MOVL (SI), R8 try1:
ADDQ $4, SI ADDQ $4, end
IMULQ R13, R8 CMPQ p, end
XORQ R8, AX
ROLQ $23, AX
IMULQ R14, AX
ADDQ ·prime3v(SB), AX
singles:
ADDQ $4, BX
CMPQ SI, BX
JGE finalize JGE finalize
singlesLoop: loop1:
MOVBQZX (SI), R12 MOVBQZX (p), x
ADDQ $1, SI ADDQ $1, p
IMULQ ·prime5v(SB), R12 IMULQ ·primes+32(SB), x
XORQ R12, AX XORQ x, h
ROLQ $11, h
IMULQ prime1, h
ROLQ $11, AX CMPQ p, end
IMULQ R13, AX JL loop1
CMPQ SI, BX
JL singlesLoop
finalize: finalize:
MOVQ AX, R12 MOVQ h, x
SHRQ $33, R12 SHRQ $33, x
XORQ R12, AX XORQ x, h
IMULQ R14, AX IMULQ prime2, h
MOVQ AX, R12 MOVQ h, x
SHRQ $29, R12 SHRQ $29, x
XORQ R12, AX XORQ x, h
IMULQ ·prime3v(SB), AX IMULQ ·primes+16(SB), h
MOVQ AX, R12 MOVQ h, x
SHRQ $32, R12 SHRQ $32, x
XORQ R12, AX XORQ x, h
MOVQ AX, ret+24(FP) MOVQ h, ret+24(FP)
RET RET
// writeBlocks uses the same registers as above except that it uses AX to store
// the d pointer.
// func writeBlocks(d *Digest, b []byte) int // func writeBlocks(d *Digest, b []byte) int
TEXT ·writeBlocks(SB), NOSPLIT, $0-40 TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40
// Load fixed primes needed for round. // Load fixed primes needed for round.
MOVQ ·prime1v(SB), R13 MOVQ ·primes+0(SB), prime1
MOVQ ·prime2v(SB), R14 MOVQ ·primes+8(SB), prime2
// Load slice. // Load slice.
MOVQ b_base+8(FP), SI MOVQ b_base+8(FP), p
MOVQ b_len+16(FP), DX MOVQ b_len+16(FP), n
LEAQ (SI)(DX*1), BX LEAQ (p)(n*1), end
SUBQ $32, BX SUBQ $32, end
// Load vN from d. // Load vN from d.
MOVQ d+0(FP), AX MOVQ s+0(FP), d
MOVQ 0(AX), R8 // v1 MOVQ 0(d), v1
MOVQ 8(AX), R9 // v2 MOVQ 8(d), v2
MOVQ 16(AX), R10 // v3 MOVQ 16(d), v3
MOVQ 24(AX), R11 // v4 MOVQ 24(d), v4
// We don't need to check the loop condition here; this function is // We don't need to check the loop condition here; this function is
// always called with at least one block of data to process. // always called with at least one block of data to process.
blockLoop: blockLoop()
round(R8)
round(R9)
round(R10)
round(R11)
CMPQ SI, BX
JLE blockLoop
// Copy vN back to d. // Copy vN back to d.
MOVQ R8, 0(AX) MOVQ v1, 0(d)
MOVQ R9, 8(AX) MOVQ v2, 8(d)
MOVQ R10, 16(AX) MOVQ v3, 16(d)
MOVQ R11, 24(AX) MOVQ v4, 24(d)
// The number of bytes written is SI minus the old base pointer. // The number of bytes written is p minus the old base pointer.
SUBQ b_base+8(FP), SI SUBQ b_base+8(FP), p
MOVQ SI, ret+32(FP) MOVQ p, ret+32(FP)
RET RET

183
vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s generated vendored Normal file
View file

@ -0,0 +1,183 @@
//go:build !appengine && gc && !purego
// +build !appengine
// +build gc
// +build !purego
#include "textflag.h"
// Registers:
#define digest R1
#define h R2 // return value
#define p R3 // input pointer
#define n R4 // input length
#define nblocks R5 // n / 32
#define prime1 R7
#define prime2 R8
#define prime3 R9
#define prime4 R10
#define prime5 R11
#define v1 R12
#define v2 R13
#define v3 R14
#define v4 R15
#define x1 R20
#define x2 R21
#define x3 R22
#define x4 R23
#define round(acc, x) \
MADD prime2, acc, x, acc \
ROR $64-31, acc \
MUL prime1, acc
// round0 performs the operation x = round(0, x).
#define round0(x) \
MUL prime2, x \
ROR $64-31, x \
MUL prime1, x
#define mergeRound(acc, x) \
round0(x) \
EOR x, acc \
MADD acc, prime4, prime1, acc
// blockLoop processes as many 32-byte blocks as possible,
// updating v1, v2, v3, and v4. It assumes that n >= 32.
#define blockLoop() \
LSR $5, n, nblocks \
PCALIGN $16 \
loop: \
LDP.P 16(p), (x1, x2) \
LDP.P 16(p), (x3, x4) \
round(v1, x1) \
round(v2, x2) \
round(v3, x3) \
round(v4, x4) \
SUB $1, nblocks \
CBNZ nblocks, loop
// func Sum64(b []byte) uint64
TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32
LDP b_base+0(FP), (p, n)
LDP ·primes+0(SB), (prime1, prime2)
LDP ·primes+16(SB), (prime3, prime4)
MOVD ·primes+32(SB), prime5
CMP $32, n
CSEL LT, prime5, ZR, h // if n < 32 { h = prime5 } else { h = 0 }
BLT afterLoop
ADD prime1, prime2, v1
MOVD prime2, v2
MOVD $0, v3
NEG prime1, v4
blockLoop()
ROR $64-1, v1, x1
ROR $64-7, v2, x2
ADD x1, x2
ROR $64-12, v3, x3
ROR $64-18, v4, x4
ADD x3, x4
ADD x2, x4, h
mergeRound(h, v1)
mergeRound(h, v2)
mergeRound(h, v3)
mergeRound(h, v4)
afterLoop:
ADD n, h
TBZ $4, n, try8
LDP.P 16(p), (x1, x2)
round0(x1)
// NOTE: here and below, sequencing the EOR after the ROR (using a
// rotated register) is worth a small but measurable speedup for small
// inputs.
ROR $64-27, h
EOR x1 @> 64-27, h, h
MADD h, prime4, prime1, h
round0(x2)
ROR $64-27, h
EOR x2 @> 64-27, h, h
MADD h, prime4, prime1, h
try8:
TBZ $3, n, try4
MOVD.P 8(p), x1
round0(x1)
ROR $64-27, h
EOR x1 @> 64-27, h, h
MADD h, prime4, prime1, h
try4:
TBZ $2, n, try2
MOVWU.P 4(p), x2
MUL prime1, x2
ROR $64-23, h
EOR x2 @> 64-23, h, h
MADD h, prime3, prime2, h
try2:
TBZ $1, n, try1
MOVHU.P 2(p), x3
AND $255, x3, x1
LSR $8, x3, x2
MUL prime5, x1
ROR $64-11, h
EOR x1 @> 64-11, h, h
MUL prime1, h
MUL prime5, x2
ROR $64-11, h
EOR x2 @> 64-11, h, h
MUL prime1, h
try1:
TBZ $0, n, finalize
MOVBU (p), x4
MUL prime5, x4
ROR $64-11, h
EOR x4 @> 64-11, h, h
MUL prime1, h
finalize:
EOR h >> 33, h
MUL prime2, h
EOR h >> 29, h
MUL prime3, h
EOR h >> 32, h
MOVD h, ret+24(FP)
RET
// func writeBlocks(d *Digest, b []byte) int
TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40
LDP ·primes+0(SB), (prime1, prime2)
// Load state. Assume v[1-4] are stored contiguously.
MOVD d+0(FP), digest
LDP 0(digest), (v1, v2)
LDP 16(digest), (v3, v4)
LDP b_base+8(FP), (p, n)
blockLoop()
// Store updated state.
STP (v1, v2), 0(digest)
STP (v3, v4), 16(digest)
BIC $31, n
MOVD n, ret+32(FP)
RET

15
vendor/github.com/cespare/xxhash/v2/xxhash_asm.go generated vendored Normal file
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@ -0,0 +1,15 @@
//go:build (amd64 || arm64) && !appengine && gc && !purego
// +build amd64 arm64
// +build !appengine
// +build gc
// +build !purego
package xxhash
// Sum64 computes the 64-bit xxHash digest of b.
//
//go:noescape
func Sum64(b []byte) uint64
//go:noescape
func writeBlocks(d *Digest, b []byte) int

View file

@ -1,4 +1,5 @@
// +build !amd64 appengine !gc purego //go:build (!amd64 && !arm64) || appengine || !gc || purego
// +build !amd64,!arm64 appengine !gc purego
package xxhash package xxhash
@ -14,10 +15,10 @@ func Sum64(b []byte) uint64 {
var h uint64 var h uint64
if n >= 32 { if n >= 32 {
v1 := prime1v + prime2 v1 := primes[0] + prime2
v2 := prime2 v2 := prime2
v3 := uint64(0) v3 := uint64(0)
v4 := -prime1v v4 := -primes[0]
for len(b) >= 32 { for len(b) >= 32 {
v1 = round(v1, u64(b[0:8:len(b)])) v1 = round(v1, u64(b[0:8:len(b)]))
v2 = round(v2, u64(b[8:16:len(b)])) v2 = round(v2, u64(b[8:16:len(b)]))
@ -36,19 +37,18 @@ func Sum64(b []byte) uint64 {
h += uint64(n) h += uint64(n)
i, end := 0, len(b) for ; len(b) >= 8; b = b[8:] {
for ; i+8 <= end; i += 8 { k1 := round(0, u64(b[:8]))
k1 := round(0, u64(b[i:i+8:len(b)]))
h ^= k1 h ^= k1
h = rol27(h)*prime1 + prime4 h = rol27(h)*prime1 + prime4
} }
if i+4 <= end { if len(b) >= 4 {
h ^= uint64(u32(b[i:i+4:len(b)])) * prime1 h ^= uint64(u32(b[:4])) * prime1
h = rol23(h)*prime2 + prime3 h = rol23(h)*prime2 + prime3
i += 4 b = b[4:]
} }
for ; i < end; i++ { for ; len(b) > 0; b = b[1:] {
h ^= uint64(b[i]) * prime5 h ^= uint64(b[0]) * prime5
h = rol11(h) * prime1 h = rol11(h) * prime1
} }

View file

@ -1,3 +1,4 @@
//go:build appengine
// +build appengine // +build appengine
// This file contains the safe implementations of otherwise unsafe-using code. // This file contains the safe implementations of otherwise unsafe-using code.

View file

@ -1,3 +1,4 @@
//go:build !appengine
// +build !appengine // +build !appengine
// This file encapsulates usage of unsafe. // This file encapsulates usage of unsafe.
@ -11,7 +12,7 @@ import (
// In the future it's possible that compiler optimizations will make these // In the future it's possible that compiler optimizations will make these
// XxxString functions unnecessary by realizing that calls such as // XxxString functions unnecessary by realizing that calls such as
// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205. // Sum64([]byte(s)) don't need to copy s. See https://go.dev/issue/2205.
// If that happens, even if we keep these functions they can be replaced with // If that happens, even if we keep these functions they can be replaced with
// the trivial safe code. // the trivial safe code.

41
vendor/github.com/emirpasic/gods/LICENSE generated vendored Normal file
View file

@ -0,0 +1,41 @@
Copyright (c) 2015, Emir Pasic
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------------
AVL Tree:
Copyright (c) 2017 Benjamin Scher Purcell <benjapurcell@gmail.com>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

View file

@ -0,0 +1,36 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package containers provides core interfaces and functions for data structures.
//
// Container is the base interface for all data structures to implement.
//
// Iterators provide stateful iterators.
//
// Enumerable provides Ruby inspired (each, select, map, find, any?, etc.) container functions.
//
// Serialization provides serializers (marshalers) and deserializers (unmarshalers).
package containers
import "github.com/emirpasic/gods/utils"
// Container is base interface that all data structures implement.
type Container interface {
Empty() bool
Size() int
Clear()
Values() []interface{}
String() string
}
// GetSortedValues returns sorted container's elements with respect to the passed comparator.
// Does not affect the ordering of elements within the container.
func GetSortedValues(container Container, comparator utils.Comparator) []interface{} {
values := container.Values()
if len(values) < 2 {
return values
}
utils.Sort(values, comparator)
return values
}

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@ -0,0 +1,57 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package containers
// EnumerableWithIndex provides functions for ordered containers whose values can be fetched by an index.
type EnumerableWithIndex interface {
// Each calls the given function once for each element, passing that element's index and value.
Each(func(index int, value interface{}))
// Map invokes the given function once for each element and returns a
// container containing the values returned by the given function.
// Map(func(index int, value interface{}) interface{}) Container
// Select returns a new container containing all elements for which the given function returns a true value.
// Select(func(index int, value interface{}) bool) Container
// Any passes each element of the container to the given function and
// returns true if the function ever returns true for any element.
Any(func(index int, value interface{}) bool) bool
// All passes each element of the container to the given function and
// returns true if the function returns true for all elements.
All(func(index int, value interface{}) bool) bool
// Find passes each element of the container to the given function and returns
// the first (index,value) for which the function is true or -1,nil otherwise
// if no element matches the criteria.
Find(func(index int, value interface{}) bool) (int, interface{})
}
// EnumerableWithKey provides functions for ordered containers whose values whose elements are key/value pairs.
type EnumerableWithKey interface {
// Each calls the given function once for each element, passing that element's key and value.
Each(func(key interface{}, value interface{}))
// Map invokes the given function once for each element and returns a container
// containing the values returned by the given function as key/value pairs.
// Map(func(key interface{}, value interface{}) (interface{}, interface{})) Container
// Select returns a new container containing all elements for which the given function returns a true value.
// Select(func(key interface{}, value interface{}) bool) Container
// Any passes each element of the container to the given function and
// returns true if the function ever returns true for any element.
Any(func(key interface{}, value interface{}) bool) bool
// All passes each element of the container to the given function and
// returns true if the function returns true for all elements.
All(func(key interface{}, value interface{}) bool) bool
// Find passes each element of the container to the given function and returns
// the first (key,value) for which the function is true or nil,nil otherwise if no element
// matches the criteria.
Find(func(key interface{}, value interface{}) bool) (interface{}, interface{})
}

133
vendor/github.com/emirpasic/gods/containers/iterator.go generated vendored Normal file
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@ -0,0 +1,133 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package containers
// IteratorWithIndex is stateful iterator for ordered containers whose values can be fetched by an index.
type IteratorWithIndex interface {
// Next moves the iterator to the next element and returns true if there was a next element in the container.
// If Next() returns true, then next element's index and value can be retrieved by Index() and Value().
// If Next() was called for the first time, then it will point the iterator to the first element if it exists.
// Modifies the state of the iterator.
Next() bool
// Value returns the current element's value.
// Does not modify the state of the iterator.
Value() interface{}
// Index returns the current element's index.
// Does not modify the state of the iterator.
Index() int
// Begin resets the iterator to its initial state (one-before-first)
// Call Next() to fetch the first element if any.
Begin()
// First moves the iterator to the first element and returns true if there was a first element in the container.
// If First() returns true, then first element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
First() bool
// NextTo moves the iterator to the next element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If NextTo() returns true, then next element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
NextTo(func(index int, value interface{}) bool) bool
}
// IteratorWithKey is a stateful iterator for ordered containers whose elements are key value pairs.
type IteratorWithKey interface {
// Next moves the iterator to the next element and returns true if there was a next element in the container.
// If Next() returns true, then next element's key and value can be retrieved by Key() and Value().
// If Next() was called for the first time, then it will point the iterator to the first element if it exists.
// Modifies the state of the iterator.
Next() bool
// Value returns the current element's value.
// Does not modify the state of the iterator.
Value() interface{}
// Key returns the current element's key.
// Does not modify the state of the iterator.
Key() interface{}
// Begin resets the iterator to its initial state (one-before-first)
// Call Next() to fetch the first element if any.
Begin()
// First moves the iterator to the first element and returns true if there was a first element in the container.
// If First() returns true, then first element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
First() bool
// NextTo moves the iterator to the next element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If NextTo() returns true, then next element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
NextTo(func(key interface{}, value interface{}) bool) bool
}
// ReverseIteratorWithIndex is stateful iterator for ordered containers whose values can be fetched by an index.
//
// Essentially it is the same as IteratorWithIndex, but provides additional:
//
// Prev() function to enable traversal in reverse
//
// Last() function to move the iterator to the last element.
//
// End() function to move the iterator past the last element (one-past-the-end).
type ReverseIteratorWithIndex interface {
// Prev moves the iterator to the previous element and returns true if there was a previous element in the container.
// If Prev() returns true, then previous element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
Prev() bool
// End moves the iterator past the last element (one-past-the-end).
// Call Prev() to fetch the last element if any.
End()
// Last moves the iterator to the last element and returns true if there was a last element in the container.
// If Last() returns true, then last element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
Last() bool
// PrevTo moves the iterator to the previous element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If PrevTo() returns true, then next element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
PrevTo(func(index int, value interface{}) bool) bool
IteratorWithIndex
}
// ReverseIteratorWithKey is a stateful iterator for ordered containers whose elements are key value pairs.
//
// Essentially it is the same as IteratorWithKey, but provides additional:
//
// Prev() function to enable traversal in reverse
//
// Last() function to move the iterator to the last element.
type ReverseIteratorWithKey interface {
// Prev moves the iterator to the previous element and returns true if there was a previous element in the container.
// If Prev() returns true, then previous element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
Prev() bool
// End moves the iterator past the last element (one-past-the-end).
// Call Prev() to fetch the last element if any.
End()
// Last moves the iterator to the last element and returns true if there was a last element in the container.
// If Last() returns true, then last element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
Last() bool
// PrevTo moves the iterator to the previous element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If PrevTo() returns true, then next element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
PrevTo(func(key interface{}, value interface{}) bool) bool
IteratorWithKey
}

View file

@ -0,0 +1,21 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package containers
// JSONSerializer provides JSON serialization
type JSONSerializer interface {
// ToJSON outputs the JSON representation of containers's elements.
ToJSON() ([]byte, error)
// MarshalJSON @implements json.Marshaler
MarshalJSON() ([]byte, error)
}
// JSONDeserializer provides JSON deserialization
type JSONDeserializer interface {
// FromJSON populates containers's elements from the input JSON representation.
FromJSON([]byte) error
// UnmarshalJSON @implements json.Unmarshaler
UnmarshalJSON([]byte) error
}

View file

@ -0,0 +1,344 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package doublylinkedlist implements the doubly-linked list.
//
// Structure is not thread safe.
//
// Reference: https://en.wikipedia.org/wiki/List_%28abstract_data_type%29
package doublylinkedlist
import (
"fmt"
"strings"
"github.com/emirpasic/gods/lists"
"github.com/emirpasic/gods/utils"
)
// Assert List implementation
var _ lists.List = (*List)(nil)
// List holds the elements, where each element points to the next and previous element
type List struct {
first *element
last *element
size int
}
type element struct {
value interface{}
prev *element
next *element
}
// New instantiates a new list and adds the passed values, if any, to the list
func New(values ...interface{}) *List {
list := &List{}
if len(values) > 0 {
list.Add(values...)
}
return list
}
// Add appends a value (one or more) at the end of the list (same as Append())
func (list *List) Add(values ...interface{}) {
for _, value := range values {
newElement := &element{value: value, prev: list.last}
if list.size == 0 {
list.first = newElement
list.last = newElement
} else {
list.last.next = newElement
list.last = newElement
}
list.size++
}
}
// Append appends a value (one or more) at the end of the list (same as Add())
func (list *List) Append(values ...interface{}) {
list.Add(values...)
}
// Prepend prepends a values (or more)
func (list *List) Prepend(values ...interface{}) {
// in reverse to keep passed order i.e. ["c","d"] -> Prepend(["a","b"]) -> ["a","b","c",d"]
for v := len(values) - 1; v >= 0; v-- {
newElement := &element{value: values[v], next: list.first}
if list.size == 0 {
list.first = newElement
list.last = newElement
} else {
list.first.prev = newElement
list.first = newElement
}
list.size++
}
}
// Get returns the element at index.
// Second return parameter is true if index is within bounds of the array and array is not empty, otherwise false.
func (list *List) Get(index int) (interface{}, bool) {
if !list.withinRange(index) {
return nil, false
}
// determine traveral direction, last to first or first to last
if list.size-index < index {
element := list.last
for e := list.size - 1; e != index; e, element = e-1, element.prev {
}
return element.value, true
}
element := list.first
for e := 0; e != index; e, element = e+1, element.next {
}
return element.value, true
}
// Remove removes the element at the given index from the list.
func (list *List) Remove(index int) {
if !list.withinRange(index) {
return
}
if list.size == 1 {
list.Clear()
return
}
var element *element
// determine traversal direction, last to first or first to last
if list.size-index < index {
element = list.last
for e := list.size - 1; e != index; e, element = e-1, element.prev {
}
} else {
element = list.first
for e := 0; e != index; e, element = e+1, element.next {
}
}
if element == list.first {
list.first = element.next
}
if element == list.last {
list.last = element.prev
}
if element.prev != nil {
element.prev.next = element.next
}
if element.next != nil {
element.next.prev = element.prev
}
element = nil
list.size--
}
// Contains check if values (one or more) are present in the set.
// All values have to be present in the set for the method to return true.
// Performance time complexity of n^2.
// Returns true if no arguments are passed at all, i.e. set is always super-set of empty set.
func (list *List) Contains(values ...interface{}) bool {
if len(values) == 0 {
return true
}
if list.size == 0 {
return false
}
for _, value := range values {
found := false
for element := list.first; element != nil; element = element.next {
if element.value == value {
found = true
break
}
}
if !found {
return false
}
}
return true
}
// Values returns all elements in the list.
func (list *List) Values() []interface{} {
values := make([]interface{}, list.size, list.size)
for e, element := 0, list.first; element != nil; e, element = e+1, element.next {
values[e] = element.value
}
return values
}
//IndexOf returns index of provided element
func (list *List) IndexOf(value interface{}) int {
if list.size == 0 {
return -1
}
for index, element := range list.Values() {
if element == value {
return index
}
}
return -1
}
// Empty returns true if list does not contain any elements.
func (list *List) Empty() bool {
return list.size == 0
}
// Size returns number of elements within the list.
func (list *List) Size() int {
return list.size
}
// Clear removes all elements from the list.
func (list *List) Clear() {
list.size = 0
list.first = nil
list.last = nil
}
// Sort sorts values (in-place) using.
func (list *List) Sort(comparator utils.Comparator) {
if list.size < 2 {
return
}
values := list.Values()
utils.Sort(values, comparator)
list.Clear()
list.Add(values...)
}
// Swap swaps values of two elements at the given indices.
func (list *List) Swap(i, j int) {
if list.withinRange(i) && list.withinRange(j) && i != j {
var element1, element2 *element
for e, currentElement := 0, list.first; element1 == nil || element2 == nil; e, currentElement = e+1, currentElement.next {
switch e {
case i:
element1 = currentElement
case j:
element2 = currentElement
}
}
element1.value, element2.value = element2.value, element1.value
}
}
// Insert inserts values at specified index position shifting the value at that position (if any) and any subsequent elements to the right.
// Does not do anything if position is negative or bigger than list's size
// Note: position equal to list's size is valid, i.e. append.
func (list *List) Insert(index int, values ...interface{}) {
if !list.withinRange(index) {
// Append
if index == list.size {
list.Add(values...)
}
return
}
list.size += len(values)
var beforeElement *element
var foundElement *element
// determine traversal direction, last to first or first to last
if list.size-index < index {
foundElement = list.last
for e := list.size - 1; e != index; e, foundElement = e-1, foundElement.prev {
beforeElement = foundElement.prev
}
} else {
foundElement = list.first
for e := 0; e != index; e, foundElement = e+1, foundElement.next {
beforeElement = foundElement
}
}
if foundElement == list.first {
oldNextElement := list.first
for i, value := range values {
newElement := &element{value: value}
if i == 0 {
list.first = newElement
} else {
newElement.prev = beforeElement
beforeElement.next = newElement
}
beforeElement = newElement
}
oldNextElement.prev = beforeElement
beforeElement.next = oldNextElement
} else {
oldNextElement := beforeElement.next
for _, value := range values {
newElement := &element{value: value}
newElement.prev = beforeElement
beforeElement.next = newElement
beforeElement = newElement
}
oldNextElement.prev = beforeElement
beforeElement.next = oldNextElement
}
}
// Set value at specified index position
// Does not do anything if position is negative or bigger than list's size
// Note: position equal to list's size is valid, i.e. append.
func (list *List) Set(index int, value interface{}) {
if !list.withinRange(index) {
// Append
if index == list.size {
list.Add(value)
}
return
}
var foundElement *element
// determine traversal direction, last to first or first to last
if list.size-index < index {
foundElement = list.last
for e := list.size - 1; e != index; {
fmt.Println("Set last", index, value, foundElement, foundElement.prev)
e, foundElement = e-1, foundElement.prev
}
} else {
foundElement = list.first
for e := 0; e != index; {
e, foundElement = e+1, foundElement.next
}
}
foundElement.value = value
}
// String returns a string representation of container
func (list *List) String() string {
str := "DoublyLinkedList\n"
values := []string{}
for element := list.first; element != nil; element = element.next {
values = append(values, fmt.Sprintf("%v", element.value))
}
str += strings.Join(values, ", ")
return str
}
// Check that the index is within bounds of the list
func (list *List) withinRange(index int) bool {
return index >= 0 && index < list.size
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package doublylinkedlist
import "github.com/emirpasic/gods/containers"
// Assert Enumerable implementation
var _ containers.EnumerableWithIndex = (*List)(nil)
// Each calls the given function once for each element, passing that element's index and value.
func (list *List) Each(f func(index int, value interface{})) {
iterator := list.Iterator()
for iterator.Next() {
f(iterator.Index(), iterator.Value())
}
}
// Map invokes the given function once for each element and returns a
// container containing the values returned by the given function.
func (list *List) Map(f func(index int, value interface{}) interface{}) *List {
newList := &List{}
iterator := list.Iterator()
for iterator.Next() {
newList.Add(f(iterator.Index(), iterator.Value()))
}
return newList
}
// Select returns a new container containing all elements for which the given function returns a true value.
func (list *List) Select(f func(index int, value interface{}) bool) *List {
newList := &List{}
iterator := list.Iterator()
for iterator.Next() {
if f(iterator.Index(), iterator.Value()) {
newList.Add(iterator.Value())
}
}
return newList
}
// Any passes each element of the container to the given function and
// returns true if the function ever returns true for any element.
func (list *List) Any(f func(index int, value interface{}) bool) bool {
iterator := list.Iterator()
for iterator.Next() {
if f(iterator.Index(), iterator.Value()) {
return true
}
}
return false
}
// All passes each element of the container to the given function and
// returns true if the function returns true for all elements.
func (list *List) All(f func(index int, value interface{}) bool) bool {
iterator := list.Iterator()
for iterator.Next() {
if !f(iterator.Index(), iterator.Value()) {
return false
}
}
return true
}
// Find passes each element of the container to the given function and returns
// the first (index,value) for which the function is true or -1,nil otherwise
// if no element matches the criteria.
func (list *List) Find(f func(index int, value interface{}) bool) (index int, value interface{}) {
iterator := list.Iterator()
for iterator.Next() {
if f(iterator.Index(), iterator.Value()) {
return iterator.Index(), iterator.Value()
}
}
return -1, nil
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package doublylinkedlist
import "github.com/emirpasic/gods/containers"
// Assert Iterator implementation
var _ containers.ReverseIteratorWithIndex = (*Iterator)(nil)
// Iterator holding the iterator's state
type Iterator struct {
list *List
index int
element *element
}
// Iterator returns a stateful iterator whose values can be fetched by an index.
func (list *List) Iterator() Iterator {
return Iterator{list: list, index: -1, element: nil}
}
// Next moves the iterator to the next element and returns true if there was a next element in the container.
// If Next() returns true, then next element's index and value can be retrieved by Index() and Value().
// If Next() was called for the first time, then it will point the iterator to the first element if it exists.
// Modifies the state of the iterator.
func (iterator *Iterator) Next() bool {
if iterator.index < iterator.list.size {
iterator.index++
}
if !iterator.list.withinRange(iterator.index) {
iterator.element = nil
return false
}
if iterator.index != 0 {
iterator.element = iterator.element.next
} else {
iterator.element = iterator.list.first
}
return true
}
// Prev moves the iterator to the previous element and returns true if there was a previous element in the container.
// If Prev() returns true, then previous element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) Prev() bool {
if iterator.index >= 0 {
iterator.index--
}
if !iterator.list.withinRange(iterator.index) {
iterator.element = nil
return false
}
if iterator.index == iterator.list.size-1 {
iterator.element = iterator.list.last
} else {
iterator.element = iterator.element.prev
}
return iterator.list.withinRange(iterator.index)
}
// Value returns the current element's value.
// Does not modify the state of the iterator.
func (iterator *Iterator) Value() interface{} {
return iterator.element.value
}
// Index returns the current element's index.
// Does not modify the state of the iterator.
func (iterator *Iterator) Index() int {
return iterator.index
}
// Begin resets the iterator to its initial state (one-before-first)
// Call Next() to fetch the first element if any.
func (iterator *Iterator) Begin() {
iterator.index = -1
iterator.element = nil
}
// End moves the iterator past the last element (one-past-the-end).
// Call Prev() to fetch the last element if any.
func (iterator *Iterator) End() {
iterator.index = iterator.list.size
iterator.element = iterator.list.last
}
// First moves the iterator to the first element and returns true if there was a first element in the container.
// If First() returns true, then first element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) First() bool {
iterator.Begin()
return iterator.Next()
}
// Last moves the iterator to the last element and returns true if there was a last element in the container.
// If Last() returns true, then last element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) Last() bool {
iterator.End()
return iterator.Prev()
}
// NextTo moves the iterator to the next element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If NextTo() returns true, then next element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) NextTo(f func(index int, value interface{}) bool) bool {
for iterator.Next() {
index, value := iterator.Index(), iterator.Value()
if f(index, value) {
return true
}
}
return false
}
// PrevTo moves the iterator to the previous element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If PrevTo() returns true, then next element's index and value can be retrieved by Index() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) PrevTo(f func(index int, value interface{}) bool) bool {
for iterator.Prev() {
index, value := iterator.Index(), iterator.Value()
if f(index, value) {
return true
}
}
return false
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package doublylinkedlist
import (
"encoding/json"
"github.com/emirpasic/gods/containers"
)
// Assert Serialization implementation
var _ containers.JSONSerializer = (*List)(nil)
var _ containers.JSONDeserializer = (*List)(nil)
// ToJSON outputs the JSON representation of list's elements.
func (list *List) ToJSON() ([]byte, error) {
return json.Marshal(list.Values())
}
// FromJSON populates list's elements from the input JSON representation.
func (list *List) FromJSON(data []byte) error {
elements := []interface{}{}
err := json.Unmarshal(data, &elements)
if err == nil {
list.Clear()
list.Add(elements...)
}
return err
}
// UnmarshalJSON @implements json.Unmarshaler
func (list *List) UnmarshalJSON(bytes []byte) error {
return list.FromJSON(bytes)
}
// MarshalJSON @implements json.Marshaler
func (list *List) MarshalJSON() ([]byte, error) {
return list.ToJSON()
}

34
vendor/github.com/emirpasic/gods/lists/lists.go generated vendored Normal file
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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package lists provides an abstract List interface.
//
// In computer science, a list or sequence is an abstract data type that represents an ordered sequence of values, where the same value may occur more than once. An instance of a list is a computer representation of the mathematical concept of a finite sequence; the (potentially) infinite analog of a list is a stream. Lists are a basic example of containers, as they contain other values. If the same value occurs multiple times, each occurrence is considered a distinct item.
//
// Reference: https://en.wikipedia.org/wiki/List_%28abstract_data_type%29
package lists
import (
"github.com/emirpasic/gods/containers"
"github.com/emirpasic/gods/utils"
)
// List interface that all lists implement
type List interface {
Get(index int) (interface{}, bool)
Remove(index int)
Add(values ...interface{})
Contains(values ...interface{}) bool
Sort(comparator utils.Comparator)
Swap(index1, index2 int)
Insert(index int, values ...interface{})
Set(index int, value interface{})
containers.Container
// Empty() bool
// Size() int
// Clear()
// Values() []interface{}
// String() string
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package linkedhashmap
import "github.com/emirpasic/gods/containers"
// Assert Enumerable implementation
var _ containers.EnumerableWithKey = (*Map)(nil)
// Each calls the given function once for each element, passing that element's key and value.
func (m *Map) Each(f func(key interface{}, value interface{})) {
iterator := m.Iterator()
for iterator.Next() {
f(iterator.Key(), iterator.Value())
}
}
// Map invokes the given function once for each element and returns a container
// containing the values returned by the given function as key/value pairs.
func (m *Map) Map(f func(key1 interface{}, value1 interface{}) (interface{}, interface{})) *Map {
newMap := New()
iterator := m.Iterator()
for iterator.Next() {
key2, value2 := f(iterator.Key(), iterator.Value())
newMap.Put(key2, value2)
}
return newMap
}
// Select returns a new container containing all elements for which the given function returns a true value.
func (m *Map) Select(f func(key interface{}, value interface{}) bool) *Map {
newMap := New()
iterator := m.Iterator()
for iterator.Next() {
if f(iterator.Key(), iterator.Value()) {
newMap.Put(iterator.Key(), iterator.Value())
}
}
return newMap
}
// Any passes each element of the container to the given function and
// returns true if the function ever returns true for any element.
func (m *Map) Any(f func(key interface{}, value interface{}) bool) bool {
iterator := m.Iterator()
for iterator.Next() {
if f(iterator.Key(), iterator.Value()) {
return true
}
}
return false
}
// All passes each element of the container to the given function and
// returns true if the function returns true for all elements.
func (m *Map) All(f func(key interface{}, value interface{}) bool) bool {
iterator := m.Iterator()
for iterator.Next() {
if !f(iterator.Key(), iterator.Value()) {
return false
}
}
return true
}
// Find passes each element of the container to the given function and returns
// the first (key,value) for which the function is true or nil,nil otherwise if no element
// matches the criteria.
func (m *Map) Find(f func(key interface{}, value interface{}) bool) (interface{}, interface{}) {
iterator := m.Iterator()
for iterator.Next() {
if f(iterator.Key(), iterator.Value()) {
return iterator.Key(), iterator.Value()
}
}
return nil, nil
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package linkedhashmap
import (
"github.com/emirpasic/gods/containers"
"github.com/emirpasic/gods/lists/doublylinkedlist"
)
// Assert Iterator implementation
var _ containers.ReverseIteratorWithKey = (*Iterator)(nil)
// Iterator holding the iterator's state
type Iterator struct {
iterator doublylinkedlist.Iterator
table map[interface{}]interface{}
}
// Iterator returns a stateful iterator whose elements are key/value pairs.
func (m *Map) Iterator() Iterator {
return Iterator{
iterator: m.ordering.Iterator(),
table: m.table}
}
// Next moves the iterator to the next element and returns true if there was a next element in the container.
// If Next() returns true, then next element's key and value can be retrieved by Key() and Value().
// If Next() was called for the first time, then it will point the iterator to the first element if it exists.
// Modifies the state of the iterator.
func (iterator *Iterator) Next() bool {
return iterator.iterator.Next()
}
// Prev moves the iterator to the previous element and returns true if there was a previous element in the container.
// If Prev() returns true, then previous element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) Prev() bool {
return iterator.iterator.Prev()
}
// Value returns the current element's value.
// Does not modify the state of the iterator.
func (iterator *Iterator) Value() interface{} {
key := iterator.iterator.Value()
return iterator.table[key]
}
// Key returns the current element's key.
// Does not modify the state of the iterator.
func (iterator *Iterator) Key() interface{} {
return iterator.iterator.Value()
}
// Begin resets the iterator to its initial state (one-before-first)
// Call Next() to fetch the first element if any.
func (iterator *Iterator) Begin() {
iterator.iterator.Begin()
}
// End moves the iterator past the last element (one-past-the-end).
// Call Prev() to fetch the last element if any.
func (iterator *Iterator) End() {
iterator.iterator.End()
}
// First moves the iterator to the first element and returns true if there was a first element in the container.
// If First() returns true, then first element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator
func (iterator *Iterator) First() bool {
return iterator.iterator.First()
}
// Last moves the iterator to the last element and returns true if there was a last element in the container.
// If Last() returns true, then last element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) Last() bool {
return iterator.iterator.Last()
}
// NextTo moves the iterator to the next element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If NextTo() returns true, then next element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) NextTo(f func(key interface{}, value interface{}) bool) bool {
for iterator.Next() {
key, value := iterator.Key(), iterator.Value()
if f(key, value) {
return true
}
}
return false
}
// PrevTo moves the iterator to the previous element from current position that satisfies the condition given by the
// passed function, and returns true if there was a next element in the container.
// If PrevTo() returns true, then next element's key and value can be retrieved by Key() and Value().
// Modifies the state of the iterator.
func (iterator *Iterator) PrevTo(f func(key interface{}, value interface{}) bool) bool {
for iterator.Prev() {
key, value := iterator.Key(), iterator.Value()
if f(key, value) {
return true
}
}
return false
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package linkedhashmap is a map that preserves insertion-order.
//
// It is backed by a hash table to store values and doubly-linked list to store ordering.
//
// Structure is not thread safe.
//
// Reference: http://en.wikipedia.org/wiki/Associative_array
package linkedhashmap
import (
"fmt"
"github.com/emirpasic/gods/lists/doublylinkedlist"
"github.com/emirpasic/gods/maps"
"strings"
)
// Assert Map implementation
var _ maps.Map = (*Map)(nil)
// Map holds the elements in a regular hash table, and uses doubly-linked list to store key ordering.
type Map struct {
table map[interface{}]interface{}
ordering *doublylinkedlist.List
}
// New instantiates a linked-hash-map.
func New() *Map {
return &Map{
table: make(map[interface{}]interface{}),
ordering: doublylinkedlist.New(),
}
}
// Put inserts key-value pair into the map.
// Key should adhere to the comparator's type assertion, otherwise method panics.
func (m *Map) Put(key interface{}, value interface{}) {
if _, contains := m.table[key]; !contains {
m.ordering.Append(key)
}
m.table[key] = value
}
// Get searches the element in the map by key and returns its value or nil if key is not found in tree.
// Second return parameter is true if key was found, otherwise false.
// Key should adhere to the comparator's type assertion, otherwise method panics.
func (m *Map) Get(key interface{}) (value interface{}, found bool) {
value = m.table[key]
found = value != nil
return
}
// Remove removes the element from the map by key.
// Key should adhere to the comparator's type assertion, otherwise method panics.
func (m *Map) Remove(key interface{}) {
if _, contains := m.table[key]; contains {
delete(m.table, key)
index := m.ordering.IndexOf(key)
m.ordering.Remove(index)
}
}
// Empty returns true if map does not contain any elements
func (m *Map) Empty() bool {
return m.Size() == 0
}
// Size returns number of elements in the map.
func (m *Map) Size() int {
return m.ordering.Size()
}
// Keys returns all keys in-order
func (m *Map) Keys() []interface{} {
return m.ordering.Values()
}
// Values returns all values in-order based on the key.
func (m *Map) Values() []interface{} {
values := make([]interface{}, m.Size())
count := 0
it := m.Iterator()
for it.Next() {
values[count] = it.Value()
count++
}
return values
}
// Clear removes all elements from the map.
func (m *Map) Clear() {
m.table = make(map[interface{}]interface{})
m.ordering.Clear()
}
// String returns a string representation of container
func (m *Map) String() string {
str := "LinkedHashMap\nmap["
it := m.Iterator()
for it.Next() {
str += fmt.Sprintf("%v:%v ", it.Key(), it.Value())
}
return strings.TrimRight(str, " ") + "]"
}

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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package linkedhashmap
import (
"bytes"
"encoding/json"
"github.com/emirpasic/gods/containers"
"github.com/emirpasic/gods/utils"
)
// Assert Serialization implementation
var _ containers.JSONSerializer = (*Map)(nil)
var _ containers.JSONDeserializer = (*Map)(nil)
// ToJSON outputs the JSON representation of map.
func (m *Map) ToJSON() ([]byte, error) {
var b []byte
buf := bytes.NewBuffer(b)
buf.WriteRune('{')
it := m.Iterator()
lastIndex := m.Size() - 1
index := 0
for it.Next() {
km, err := json.Marshal(it.Key())
if err != nil {
return nil, err
}
buf.Write(km)
buf.WriteRune(':')
vm, err := json.Marshal(it.Value())
if err != nil {
return nil, err
}
buf.Write(vm)
if index != lastIndex {
buf.WriteRune(',')
}
index++
}
buf.WriteRune('}')
return buf.Bytes(), nil
}
// FromJSON populates map from the input JSON representation.
//func (m *Map) FromJSON(data []byte) error {
// elements := make(map[string]interface{})
// err := json.Unmarshal(data, &elements)
// if err == nil {
// m.Clear()
// for key, value := range elements {
// m.Put(key, value)
// }
// }
// return err
//}
// FromJSON populates map from the input JSON representation.
func (m *Map) FromJSON(data []byte) error {
elements := make(map[string]interface{})
err := json.Unmarshal(data, &elements)
if err != nil {
return err
}
index := make(map[string]int)
var keys []interface{}
for key := range elements {
keys = append(keys, key)
esc, _ := json.Marshal(key)
index[key] = bytes.Index(data, esc)
}
byIndex := func(a, b interface{}) int {
key1 := a.(string)
key2 := b.(string)
index1 := index[key1]
index2 := index[key2]
return index1 - index2
}
utils.Sort(keys, byIndex)
m.Clear()
for _, key := range keys {
m.Put(key, elements[key.(string)])
}
return nil
}
// UnmarshalJSON @implements json.Unmarshaler
func (m *Map) UnmarshalJSON(bytes []byte) error {
return m.FromJSON(bytes)
}
// MarshalJSON @implements json.Marshaler
func (m *Map) MarshalJSON() ([]byte, error) {
return m.ToJSON()
}

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vendor/github.com/emirpasic/gods/maps/maps.go generated vendored Normal file
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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package maps provides an abstract Map interface.
//
// In computer science, an associative array, map, symbol table, or dictionary is an abstract data type composed of a collection of (key, value) pairs, such that each possible key appears just once in the collection.
//
// Operations associated with this data type allow:
// - the addition of a pair to the collection
// - the removal of a pair from the collection
// - the modification of an existing pair
// - the lookup of a value associated with a particular key
//
// Reference: https://en.wikipedia.org/wiki/Associative_array
package maps
import "github.com/emirpasic/gods/containers"
// Map interface that all maps implement
type Map interface {
Put(key interface{}, value interface{})
Get(key interface{}) (value interface{}, found bool)
Remove(key interface{})
Keys() []interface{}
containers.Container
// Empty() bool
// Size() int
// Clear()
// Values() []interface{}
// String() string
}
// BidiMap interface that all bidirectional maps implement (extends the Map interface)
type BidiMap interface {
GetKey(value interface{}) (key interface{}, found bool)
Map
}

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vendor/github.com/emirpasic/gods/utils/comparator.go generated vendored Normal file
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// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package utils
import "time"
// Comparator will make type assertion (see IntComparator for example),
// which will panic if a or b are not of the asserted type.
//
// Should return a number:
// negative , if a < b
// zero , if a == b
// positive , if a > b
type Comparator func(a, b interface{}) int
// StringComparator provides a fast comparison on strings
func StringComparator(a, b interface{}) int {
s1 := a.(string)
s2 := b.(string)
min := len(s2)
if len(s1) < len(s2) {
min = len(s1)
}
diff := 0
for i := 0; i < min && diff == 0; i++ {
diff = int(s1[i]) - int(s2[i])
}
if diff == 0 {
diff = len(s1) - len(s2)
}
if diff < 0 {
return -1
}
if diff > 0 {
return 1
}
return 0
}
// IntComparator provides a basic comparison on int
func IntComparator(a, b interface{}) int {
aAsserted := a.(int)
bAsserted := b.(int)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Int8Comparator provides a basic comparison on int8
func Int8Comparator(a, b interface{}) int {
aAsserted := a.(int8)
bAsserted := b.(int8)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Int16Comparator provides a basic comparison on int16
func Int16Comparator(a, b interface{}) int {
aAsserted := a.(int16)
bAsserted := b.(int16)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Int32Comparator provides a basic comparison on int32
func Int32Comparator(a, b interface{}) int {
aAsserted := a.(int32)
bAsserted := b.(int32)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Int64Comparator provides a basic comparison on int64
func Int64Comparator(a, b interface{}) int {
aAsserted := a.(int64)
bAsserted := b.(int64)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// UIntComparator provides a basic comparison on uint
func UIntComparator(a, b interface{}) int {
aAsserted := a.(uint)
bAsserted := b.(uint)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// UInt8Comparator provides a basic comparison on uint8
func UInt8Comparator(a, b interface{}) int {
aAsserted := a.(uint8)
bAsserted := b.(uint8)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// UInt16Comparator provides a basic comparison on uint16
func UInt16Comparator(a, b interface{}) int {
aAsserted := a.(uint16)
bAsserted := b.(uint16)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// UInt32Comparator provides a basic comparison on uint32
func UInt32Comparator(a, b interface{}) int {
aAsserted := a.(uint32)
bAsserted := b.(uint32)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// UInt64Comparator provides a basic comparison on uint64
func UInt64Comparator(a, b interface{}) int {
aAsserted := a.(uint64)
bAsserted := b.(uint64)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Float32Comparator provides a basic comparison on float32
func Float32Comparator(a, b interface{}) int {
aAsserted := a.(float32)
bAsserted := b.(float32)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// Float64Comparator provides a basic comparison on float64
func Float64Comparator(a, b interface{}) int {
aAsserted := a.(float64)
bAsserted := b.(float64)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// ByteComparator provides a basic comparison on byte
func ByteComparator(a, b interface{}) int {
aAsserted := a.(byte)
bAsserted := b.(byte)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// RuneComparator provides a basic comparison on rune
func RuneComparator(a, b interface{}) int {
aAsserted := a.(rune)
bAsserted := b.(rune)
switch {
case aAsserted > bAsserted:
return 1
case aAsserted < bAsserted:
return -1
default:
return 0
}
}
// TimeComparator provides a basic comparison on time.Time
func TimeComparator(a, b interface{}) int {
aAsserted := a.(time.Time)
bAsserted := b.(time.Time)
switch {
case aAsserted.After(bAsserted):
return 1
case aAsserted.Before(bAsserted):
return -1
default:
return 0
}
}

29
vendor/github.com/emirpasic/gods/utils/sort.go generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package utils
import "sort"
// Sort sorts values (in-place) with respect to the given comparator.
//
// Uses Go's sort (hybrid of quicksort for large and then insertion sort for smaller slices).
func Sort(values []interface{}, comparator Comparator) {
sort.Sort(sortable{values, comparator})
}
type sortable struct {
values []interface{}
comparator Comparator
}
func (s sortable) Len() int {
return len(s.values)
}
func (s sortable) Swap(i, j int) {
s.values[i], s.values[j] = s.values[j], s.values[i]
}
func (s sortable) Less(i, j int) bool {
return s.comparator(s.values[i], s.values[j]) < 0
}

47
vendor/github.com/emirpasic/gods/utils/utils.go generated vendored Normal file
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@ -0,0 +1,47 @@
// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package utils provides common utility functions.
//
// Provided functionalities:
// - sorting
// - comparators
package utils
import (
"fmt"
"strconv"
)
// ToString converts a value to string.
func ToString(value interface{}) string {
switch value := value.(type) {
case string:
return value
case int8:
return strconv.FormatInt(int64(value), 10)
case int16:
return strconv.FormatInt(int64(value), 10)
case int32:
return strconv.FormatInt(int64(value), 10)
case int64:
return strconv.FormatInt(value, 10)
case uint8:
return strconv.FormatUint(uint64(value), 10)
case uint16:
return strconv.FormatUint(uint64(value), 10)
case uint32:
return strconv.FormatUint(uint64(value), 10)
case uint64:
return strconv.FormatUint(value, 10)
case float32:
return strconv.FormatFloat(float64(value), 'g', -1, 64)
case float64:
return strconv.FormatFloat(value, 'g', -1, 64)
case bool:
return strconv.FormatBool(value)
default:
return fmt.Sprintf("%+v", value)
}
}

View file

@ -1,12 +0,0 @@
root = true
[*.go]
indent_style = tab
indent_size = 4
insert_final_newline = true
[*.{yml,yaml}]
indent_style = space
indent_size = 2
insert_final_newline = true
trim_trailing_whitespace = true

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@ -1 +0,0 @@
go.sum linguist-generated

View file

@ -1,6 +0,0 @@
# Setup a Global .gitignore for OS and editor generated files:
# https://help.github.com/articles/ignoring-files
# git config --global core.excludesfile ~/.gitignore_global
.vagrant
*.sublime-project

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@ -1,2 +0,0 @@
Chris Howey <howeyc@gmail.com> <chris@howey.me>
Nathan Youngman <git@nathany.com> <4566+nathany@users.noreply.github.com>

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@ -1,62 +0,0 @@
# Names should be added to this file as
# Name or Organization <email address>
# The email address is not required for organizations.
# You can update this list using the following command:
#
# $ (head -n10 AUTHORS && git shortlog -se | sed -E 's/^\s+[0-9]+\t//') | tee AUTHORS
# Please keep the list sorted.
Aaron L <aaron@bettercoder.net>
Adrien Bustany <adrien@bustany.org>
Alexey Kazakov <alkazako@redhat.com>
Amit Krishnan <amit.krishnan@oracle.com>
Anmol Sethi <me@anmol.io>
Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Brian Goff <cpuguy83@gmail.com>
Bruno Bigras <bigras.bruno@gmail.com>
Caleb Spare <cespare@gmail.com>
Case Nelson <case@teammating.com>
Chris Howey <howeyc@gmail.com>
Christoffer Buchholz <christoffer.buchholz@gmail.com>
Daniel Wagner-Hall <dawagner@gmail.com>
Dave Cheney <dave@cheney.net>
Eric Lin <linxiulei@gmail.com>
Evan Phoenix <evan@fallingsnow.net>
Francisco Souza <f@souza.cc>
Gautam Dey <gautam.dey77@gmail.com>
Hari haran <hariharan.uno@gmail.com>
Ichinose Shogo <shogo82148@gmail.com>
Johannes Ebke <johannes@ebke.org>
John C Barstow <jbowtie@amathaine.com>
Kelvin Fo <vmirage@gmail.com>
Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
Matt Layher <mdlayher@gmail.com>
Matthias Stone <matthias@bellstone.ca>
Nathan Youngman <git@nathany.com>
Nickolai Zeldovich <nickolai@csail.mit.edu>
Oliver Bristow <evilumbrella+github@gmail.com>
Patrick <patrick@dropbox.com>
Paul Hammond <paul@paulhammond.org>
Pawel Knap <pawelknap88@gmail.com>
Pieter Droogendijk <pieter@binky.org.uk>
Pratik Shinde <pratikshinde320@gmail.com>
Pursuit92 <JoshChase@techpursuit.net>
Riku Voipio <riku.voipio@linaro.org>
Rob Figueiredo <robfig@gmail.com>
Rodrigo Chiossi <rodrigochiossi@gmail.com>
Slawek Ligus <root@ooz.ie>
Soge Zhang <zhssoge@gmail.com>
Tiffany Jernigan <tiffany.jernigan@intel.com>
Tilak Sharma <tilaks@google.com>
Tobias Klauser <tobias.klauser@gmail.com>
Tom Payne <twpayne@gmail.com>
Travis Cline <travis.cline@gmail.com>
Tudor Golubenco <tudor.g@gmail.com>
Vahe Khachikyan <vahe@live.ca>
Yukang <moorekang@gmail.com>
bronze1man <bronze1man@gmail.com>
debrando <denis.brandolini@gmail.com>
henrikedwards <henrik.edwards@gmail.com>
铁哥 <guotie.9@gmail.com>

View file

@ -1,357 +0,0 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
## [1.5.4] - 2022-04-25
* Windows: add missing defer to `Watcher.WatchList` [#447](https://github.com/fsnotify/fsnotify/pull/447)
* go.mod: use latest x/sys [#444](https://github.com/fsnotify/fsnotify/pull/444)
* Fix compilation for OpenBSD [#443](https://github.com/fsnotify/fsnotify/pull/443)
## [1.5.3] - 2022-04-22
* This version is retracted. An incorrect branch is published accidentally [#445](https://github.com/fsnotify/fsnotify/issues/445)
## [1.5.2] - 2022-04-21
* Add a feature to return the directories and files that are being monitored [#374](https://github.com/fsnotify/fsnotify/pull/374)
* Fix potential crash on windows if `raw.FileNameLength` exceeds `syscall.MAX_PATH` [#361](https://github.com/fsnotify/fsnotify/pull/361)
* Allow build on unsupported GOOS [#424](https://github.com/fsnotify/fsnotify/pull/424)
* Don't set `poller.fd` twice in `newFdPoller` [#406](https://github.com/fsnotify/fsnotify/pull/406)
* fix go vet warnings: call to `(*T).Fatalf` from a non-test goroutine [#416](https://github.com/fsnotify/fsnotify/pull/416)
## [1.5.1] - 2021-08-24
* Revert Add AddRaw to not follow symlinks [#394](https://github.com/fsnotify/fsnotify/pull/394)
## [1.5.0] - 2021-08-20
* Go: Increase minimum required version to Go 1.12 [#381](https://github.com/fsnotify/fsnotify/pull/381)
* Feature: Add AddRaw method which does not follow symlinks when adding a watch [#289](https://github.com/fsnotify/fsnotify/pull/298)
* Windows: Follow symlinks by default like on all other systems [#289](https://github.com/fsnotify/fsnotify/pull/289)
* CI: Use GitHub Actions for CI and cover go 1.12-1.17
[#378](https://github.com/fsnotify/fsnotify/pull/378)
[#381](https://github.com/fsnotify/fsnotify/pull/381)
[#385](https://github.com/fsnotify/fsnotify/pull/385)
* Go 1.14+: Fix unsafe pointer conversion [#325](https://github.com/fsnotify/fsnotify/pull/325)
## [1.4.7] - 2018-01-09
* BSD/macOS: Fix possible deadlock on closing the watcher on kqueue (thanks @nhooyr and @glycerine)
* Tests: Fix missing verb on format string (thanks @rchiossi)
* Linux: Fix deadlock in Remove (thanks @aarondl)
* Linux: Watch.Add improvements (avoid race, fix consistency, reduce garbage) (thanks @twpayne)
* Docs: Moved FAQ into the README (thanks @vahe)
* Linux: Properly handle inotify's IN_Q_OVERFLOW event (thanks @zeldovich)
* Docs: replace references to OS X with macOS
## [1.4.2] - 2016-10-10
* Linux: use InotifyInit1 with IN_CLOEXEC to stop leaking a file descriptor to a child process when using fork/exec [#178](https://github.com/fsnotify/fsnotify/pull/178) (thanks @pattyshack)
## [1.4.1] - 2016-10-04
* Fix flaky inotify stress test on Linux [#177](https://github.com/fsnotify/fsnotify/pull/177) (thanks @pattyshack)
## [1.4.0] - 2016-10-01
* add a String() method to Event.Op [#165](https://github.com/fsnotify/fsnotify/pull/165) (thanks @oozie)
## [1.3.1] - 2016-06-28
* Windows: fix for double backslash when watching the root of a drive [#151](https://github.com/fsnotify/fsnotify/issues/151) (thanks @brunoqc)
## [1.3.0] - 2016-04-19
* Support linux/arm64 by [patching](https://go-review.googlesource.com/#/c/21971/) x/sys/unix and switching to to it from syscall (thanks @suihkulokki) [#135](https://github.com/fsnotify/fsnotify/pull/135)
## [1.2.10] - 2016-03-02
* Fix golint errors in windows.go [#121](https://github.com/fsnotify/fsnotify/pull/121) (thanks @tiffanyfj)
## [1.2.9] - 2016-01-13
kqueue: Fix logic for CREATE after REMOVE [#111](https://github.com/fsnotify/fsnotify/pull/111) (thanks @bep)
## [1.2.8] - 2015-12-17
* kqueue: fix race condition in Close [#105](https://github.com/fsnotify/fsnotify/pull/105) (thanks @djui for reporting the issue and @ppknap for writing a failing test)
* inotify: fix race in test
* enable race detection for continuous integration (Linux, Mac, Windows)
## [1.2.5] - 2015-10-17
* inotify: use epoll_create1 for arm64 support (requires Linux 2.6.27 or later) [#100](https://github.com/fsnotify/fsnotify/pull/100) (thanks @suihkulokki)
* inotify: fix path leaks [#73](https://github.com/fsnotify/fsnotify/pull/73) (thanks @chamaken)
* kqueue: watch for rename events on subdirectories [#83](https://github.com/fsnotify/fsnotify/pull/83) (thanks @guotie)
* kqueue: avoid infinite loops from symlinks cycles [#101](https://github.com/fsnotify/fsnotify/pull/101) (thanks @illicitonion)
## [1.2.1] - 2015-10-14
* kqueue: don't watch named pipes [#98](https://github.com/fsnotify/fsnotify/pull/98) (thanks @evanphx)
## [1.2.0] - 2015-02-08
* inotify: use epoll to wake up readEvents [#66](https://github.com/fsnotify/fsnotify/pull/66) (thanks @PieterD)
* inotify: closing watcher should now always shut down goroutine [#63](https://github.com/fsnotify/fsnotify/pull/63) (thanks @PieterD)
* kqueue: close kqueue after removing watches, fixes [#59](https://github.com/fsnotify/fsnotify/issues/59)
## [1.1.1] - 2015-02-05
* inotify: Retry read on EINTR [#61](https://github.com/fsnotify/fsnotify/issues/61) (thanks @PieterD)
## [1.1.0] - 2014-12-12
* kqueue: rework internals [#43](https://github.com/fsnotify/fsnotify/pull/43)
* add low-level functions
* only need to store flags on directories
* less mutexes [#13](https://github.com/fsnotify/fsnotify/issues/13)
* done can be an unbuffered channel
* remove calls to os.NewSyscallError
* More efficient string concatenation for Event.String() [#52](https://github.com/fsnotify/fsnotify/pull/52) (thanks @mdlayher)
* kqueue: fix regression in rework causing subdirectories to be watched [#48](https://github.com/fsnotify/fsnotify/issues/48)
* kqueue: cleanup internal watch before sending remove event [#51](https://github.com/fsnotify/fsnotify/issues/51)
## [1.0.4] - 2014-09-07
* kqueue: add dragonfly to the build tags.
* Rename source code files, rearrange code so exported APIs are at the top.
* Add done channel to example code. [#37](https://github.com/fsnotify/fsnotify/pull/37) (thanks @chenyukang)
## [1.0.3] - 2014-08-19
* [Fix] Windows MOVED_TO now translates to Create like on BSD and Linux. [#36](https://github.com/fsnotify/fsnotify/issues/36)
## [1.0.2] - 2014-08-17
* [Fix] Missing create events on macOS. [#14](https://github.com/fsnotify/fsnotify/issues/14) (thanks @zhsso)
* [Fix] Make ./path and path equivalent. (thanks @zhsso)
## [1.0.0] - 2014-08-15
* [API] Remove AddWatch on Windows, use Add.
* Improve documentation for exported identifiers. [#30](https://github.com/fsnotify/fsnotify/issues/30)
* Minor updates based on feedback from golint.
## dev / 2014-07-09
* Moved to [github.com/fsnotify/fsnotify](https://github.com/fsnotify/fsnotify).
* Use os.NewSyscallError instead of returning errno (thanks @hariharan-uno)
## dev / 2014-07-04
* kqueue: fix incorrect mutex used in Close()
* Update example to demonstrate usage of Op.
## dev / 2014-06-28
* [API] Don't set the Write Op for attribute notifications [#4](https://github.com/fsnotify/fsnotify/issues/4)
* Fix for String() method on Event (thanks Alex Brainman)
* Don't build on Plan 9 or Solaris (thanks @4ad)
## dev / 2014-06-21
* Events channel of type Event rather than *Event.
* [internal] use syscall constants directly for inotify and kqueue.
* [internal] kqueue: rename events to kevents and fileEvent to event.
## dev / 2014-06-19
* Go 1.3+ required on Windows (uses syscall.ERROR_MORE_DATA internally).
* [internal] remove cookie from Event struct (unused).
* [internal] Event struct has the same definition across every OS.
* [internal] remove internal watch and removeWatch methods.
## dev / 2014-06-12
* [API] Renamed Watch() to Add() and RemoveWatch() to Remove().
* [API] Pluralized channel names: Events and Errors.
* [API] Renamed FileEvent struct to Event.
* [API] Op constants replace methods like IsCreate().
## dev / 2014-06-12
* Fix data race on kevent buffer (thanks @tilaks) [#98](https://github.com/howeyc/fsnotify/pull/98)
## dev / 2014-05-23
* [API] Remove current implementation of WatchFlags.
* current implementation doesn't take advantage of OS for efficiency
* provides little benefit over filtering events as they are received, but has extra bookkeeping and mutexes
* no tests for the current implementation
* not fully implemented on Windows [#93](https://github.com/howeyc/fsnotify/issues/93#issuecomment-39285195)
## [0.9.3] - 2014-12-31
* kqueue: cleanup internal watch before sending remove event [#51](https://github.com/fsnotify/fsnotify/issues/51)
## [0.9.2] - 2014-08-17
* [Backport] Fix missing create events on macOS. [#14](https://github.com/fsnotify/fsnotify/issues/14) (thanks @zhsso)
## [0.9.1] - 2014-06-12
* Fix data race on kevent buffer (thanks @tilaks) [#98](https://github.com/howeyc/fsnotify/pull/98)
## [0.9.0] - 2014-01-17
* IsAttrib() for events that only concern a file's metadata [#79][] (thanks @abustany)
* [Fix] kqueue: fix deadlock [#77][] (thanks @cespare)
* [NOTICE] Development has moved to `code.google.com/p/go.exp/fsnotify` in preparation for inclusion in the Go standard library.
## [0.8.12] - 2013-11-13
* [API] Remove FD_SET and friends from Linux adapter
## [0.8.11] - 2013-11-02
* [Doc] Add Changelog [#72][] (thanks @nathany)
* [Doc] Spotlight and double modify events on macOS [#62][] (reported by @paulhammond)
## [0.8.10] - 2013-10-19
* [Fix] kqueue: remove file watches when parent directory is removed [#71][] (reported by @mdwhatcott)
* [Fix] kqueue: race between Close and readEvents [#70][] (reported by @bernerdschaefer)
* [Doc] specify OS-specific limits in README (thanks @debrando)
## [0.8.9] - 2013-09-08
* [Doc] Contributing (thanks @nathany)
* [Doc] update package path in example code [#63][] (thanks @paulhammond)
* [Doc] GoCI badge in README (Linux only) [#60][]
* [Doc] Cross-platform testing with Vagrant [#59][] (thanks @nathany)
## [0.8.8] - 2013-06-17
* [Fix] Windows: handle `ERROR_MORE_DATA` on Windows [#49][] (thanks @jbowtie)
## [0.8.7] - 2013-06-03
* [API] Make syscall flags internal
* [Fix] inotify: ignore event changes
* [Fix] race in symlink test [#45][] (reported by @srid)
* [Fix] tests on Windows
* lower case error messages
## [0.8.6] - 2013-05-23
* kqueue: Use EVT_ONLY flag on Darwin
* [Doc] Update README with full example
## [0.8.5] - 2013-05-09
* [Fix] inotify: allow monitoring of "broken" symlinks (thanks @tsg)
## [0.8.4] - 2013-04-07
* [Fix] kqueue: watch all file events [#40][] (thanks @ChrisBuchholz)
## [0.8.3] - 2013-03-13
* [Fix] inoitfy/kqueue memory leak [#36][] (reported by @nbkolchin)
* [Fix] kqueue: use fsnFlags for watching a directory [#33][] (reported by @nbkolchin)
## [0.8.2] - 2013-02-07
* [Doc] add Authors
* [Fix] fix data races for map access [#29][] (thanks @fsouza)
## [0.8.1] - 2013-01-09
* [Fix] Windows path separators
* [Doc] BSD License
## [0.8.0] - 2012-11-09
* kqueue: directory watching improvements (thanks @vmirage)
* inotify: add `IN_MOVED_TO` [#25][] (requested by @cpisto)
* [Fix] kqueue: deleting watched directory [#24][] (reported by @jakerr)
## [0.7.4] - 2012-10-09
* [Fix] inotify: fixes from https://codereview.appspot.com/5418045/ (ugorji)
* [Fix] kqueue: preserve watch flags when watching for delete [#21][] (reported by @robfig)
* [Fix] kqueue: watch the directory even if it isn't a new watch (thanks @robfig)
* [Fix] kqueue: modify after recreation of file
## [0.7.3] - 2012-09-27
* [Fix] kqueue: watch with an existing folder inside the watched folder (thanks @vmirage)
* [Fix] kqueue: no longer get duplicate CREATE events
## [0.7.2] - 2012-09-01
* kqueue: events for created directories
## [0.7.1] - 2012-07-14
* [Fix] for renaming files
## [0.7.0] - 2012-07-02
* [Feature] FSNotify flags
* [Fix] inotify: Added file name back to event path
## [0.6.0] - 2012-06-06
* kqueue: watch files after directory created (thanks @tmc)
## [0.5.1] - 2012-05-22
* [Fix] inotify: remove all watches before Close()
## [0.5.0] - 2012-05-03
* [API] kqueue: return errors during watch instead of sending over channel
* kqueue: match symlink behavior on Linux
* inotify: add `DELETE_SELF` (requested by @taralx)
* [Fix] kqueue: handle EINTR (reported by @robfig)
* [Doc] Godoc example [#1][] (thanks @davecheney)
## [0.4.0] - 2012-03-30
* Go 1 released: build with go tool
* [Feature] Windows support using winfsnotify
* Windows does not have attribute change notifications
* Roll attribute notifications into IsModify
## [0.3.0] - 2012-02-19
* kqueue: add files when watch directory
## [0.2.0] - 2011-12-30
* update to latest Go weekly code
## [0.1.0] - 2011-10-19
* kqueue: add watch on file creation to match inotify
* kqueue: create file event
* inotify: ignore `IN_IGNORED` events
* event String()
* linux: common FileEvent functions
* initial commit
[#79]: https://github.com/howeyc/fsnotify/pull/79
[#77]: https://github.com/howeyc/fsnotify/pull/77
[#72]: https://github.com/howeyc/fsnotify/issues/72
[#71]: https://github.com/howeyc/fsnotify/issues/71
[#70]: https://github.com/howeyc/fsnotify/issues/70
[#63]: https://github.com/howeyc/fsnotify/issues/63
[#62]: https://github.com/howeyc/fsnotify/issues/62
[#60]: https://github.com/howeyc/fsnotify/issues/60
[#59]: https://github.com/howeyc/fsnotify/issues/59
[#49]: https://github.com/howeyc/fsnotify/issues/49
[#45]: https://github.com/howeyc/fsnotify/issues/45
[#40]: https://github.com/howeyc/fsnotify/issues/40
[#36]: https://github.com/howeyc/fsnotify/issues/36
[#33]: https://github.com/howeyc/fsnotify/issues/33
[#29]: https://github.com/howeyc/fsnotify/issues/29
[#25]: https://github.com/howeyc/fsnotify/issues/25
[#24]: https://github.com/howeyc/fsnotify/issues/24
[#21]: https://github.com/howeyc/fsnotify/issues/21

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@ -1,60 +0,0 @@
# Contributing
## Issues
* Request features and report bugs using the [GitHub Issue Tracker](https://github.com/fsnotify/fsnotify/issues).
* Please indicate the platform you are using fsnotify on.
* A code example to reproduce the problem is appreciated.
## Pull Requests
### Contributor License Agreement
fsnotify is derived from code in the [golang.org/x/exp](https://godoc.org/golang.org/x/exp) package and it may be included [in the standard library](https://github.com/fsnotify/fsnotify/issues/1) in the future. Therefore fsnotify carries the same [LICENSE](https://github.com/fsnotify/fsnotify/blob/master/LICENSE) as Go. Contributors retain their copyright, so you need to fill out a short form before we can accept your contribution: [Google Individual Contributor License Agreement](https://developers.google.com/open-source/cla/individual).
Please indicate that you have signed the CLA in your pull request.
### How fsnotify is Developed
* Development is done on feature branches.
* Tests are run on BSD, Linux, macOS and Windows.
* Pull requests are reviewed and [applied to master][am] using [hub][].
* Maintainers may modify or squash commits rather than asking contributors to.
* To issue a new release, the maintainers will:
* Update the CHANGELOG
* Tag a version, which will become available through gopkg.in.
### How to Fork
For smooth sailing, always use the original import path. Installing with `go get` makes this easy.
1. Install from GitHub (`go get -u github.com/fsnotify/fsnotify`)
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Ensure everything works and the tests pass (see below)
4. Commit your changes (`git commit -am 'Add some feature'`)
Contribute upstream:
1. Fork fsnotify on GitHub
2. Add your remote (`git remote add fork git@github.com:mycompany/repo.git`)
3. Push to the branch (`git push fork my-new-feature`)
4. Create a new Pull Request on GitHub
This workflow is [thoroughly explained by Katrina Owen](https://splice.com/blog/contributing-open-source-git-repositories-go/).
### Testing
fsnotify uses build tags to compile different code on Linux, BSD, macOS, and Windows.
Before doing a pull request, please do your best to test your changes on multiple platforms, and list which platforms you were able/unable to test on.
### Maintainers
Help maintaining fsnotify is welcome. To be a maintainer:
* Submit a pull request and sign the CLA as above.
* You must be able to run the test suite on Mac, Windows, Linux and BSD.
All code changes should be internal pull requests.
Releases are tagged using [Semantic Versioning](http://semver.org/).

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@ -1,28 +0,0 @@
Copyright (c) 2012 The Go Authors. All rights reserved.
Copyright (c) 2012-2019 fsnotify Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@ -1,120 +0,0 @@
# File system notifications for Go
[![Go Reference](https://pkg.go.dev/badge/github.com/fsnotify/fsnotify.svg)](https://pkg.go.dev/github.com/fsnotify/fsnotify) [![Go Report Card](https://goreportcard.com/badge/github.com/fsnotify/fsnotify)](https://goreportcard.com/report/github.com/fsnotify/fsnotify) [![Maintainers Wanted](https://img.shields.io/badge/maintainers-wanted-red.svg)](https://github.com/fsnotify/fsnotify/issues/413)
fsnotify utilizes [`golang.org/x/sys`](https://pkg.go.dev/golang.org/x/sys) rather than [`syscall`](https://pkg.go.dev/syscall) from the standard library.
Cross platform: Windows, Linux, BSD and macOS.
| Adapter | OS | Status |
| --------------------- | -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| inotify | Linux 2.6.27 or later, Android\* | Supported |
| kqueue | BSD, macOS, iOS\* | Supported |
| ReadDirectoryChangesW | Windows | Supported |
| FSEvents | macOS | [Planned](https://github.com/fsnotify/fsnotify/issues/11) |
| FEN | Solaris 11 | [In Progress](https://github.com/fsnotify/fsnotify/pull/371) |
| fanotify | Linux 2.6.37+ | [Maybe](https://github.com/fsnotify/fsnotify/issues/114) |
| USN Journals | Windows | [Maybe](https://github.com/fsnotify/fsnotify/issues/53) |
| Polling | *All* | [Maybe](https://github.com/fsnotify/fsnotify/issues/9) |
\* Android and iOS are untested.
Please see [the documentation](https://pkg.go.dev/github.com/fsnotify/fsnotify) and consult the [FAQ](#faq) for usage information.
## API stability
fsnotify is a fork of [howeyc/fsnotify](https://github.com/howeyc/fsnotify) with a new API as of v1.0. The API is based on [this design document](http://goo.gl/MrYxyA).
All [releases](https://github.com/fsnotify/fsnotify/releases) are tagged based on [Semantic Versioning](http://semver.org/).
## Usage
```go
package main
import (
"log"
"github.com/fsnotify/fsnotify"
)
func main() {
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Fatal(err)
}
defer watcher.Close()
done := make(chan bool)
go func() {
for {
select {
case event, ok := <-watcher.Events:
if !ok {
return
}
log.Println("event:", event)
if event.Op&fsnotify.Write == fsnotify.Write {
log.Println("modified file:", event.Name)
}
case err, ok := <-watcher.Errors:
if !ok {
return
}
log.Println("error:", err)
}
}
}()
err = watcher.Add("/tmp/foo")
if err != nil {
log.Fatal(err)
}
<-done
}
```
## Contributing
Please refer to [CONTRIBUTING][] before opening an issue or pull request.
## FAQ
**When a file is moved to another directory is it still being watched?**
No (it shouldn't be, unless you are watching where it was moved to).
**When I watch a directory, are all subdirectories watched as well?**
No, you must add watches for any directory you want to watch (a recursive watcher is on the roadmap [#18][]).
**Do I have to watch the Error and Event channels in a separate goroutine?**
As of now, yes. Looking into making this single-thread friendly (see [howeyc #7][#7])
**Why am I receiving multiple events for the same file on OS X?**
Spotlight indexing on OS X can result in multiple events (see [howeyc #62][#62]). A temporary workaround is to add your folder(s) to the *Spotlight Privacy settings* until we have a native FSEvents implementation (see [#11][]).
**How many files can be watched at once?**
There are OS-specific limits as to how many watches can be created:
* Linux: /proc/sys/fs/inotify/max_user_watches contains the limit, reaching this limit results in a "no space left on device" error.
* BSD / OSX: sysctl variables "kern.maxfiles" and "kern.maxfilesperproc", reaching these limits results in a "too many open files" error.
**Why don't notifications work with NFS filesystems or filesystem in userspace (FUSE)?**
fsnotify requires support from underlying OS to work. The current NFS protocol does not provide network level support for file notifications.
[#62]: https://github.com/howeyc/fsnotify/issues/62
[#18]: https://github.com/fsnotify/fsnotify/issues/18
[#11]: https://github.com/fsnotify/fsnotify/issues/11
[#7]: https://github.com/howeyc/fsnotify/issues/7
[contributing]: https://github.com/fsnotify/fsnotify/blob/master/CONTRIBUTING.md
## Related Projects
* [notify](https://github.com/rjeczalik/notify)
* [fsevents](https://github.com/fsnotify/fsevents)

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@ -1,38 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build solaris
// +build solaris
package fsnotify
import (
"errors"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
return nil, errors.New("FEN based watcher not yet supported for fsnotify\n")
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
return nil
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
return nil
}

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@ -1,69 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !plan9
// +build !plan9
// Package fsnotify provides a platform-independent interface for file system notifications.
package fsnotify
import (
"bytes"
"errors"
"fmt"
)
// Event represents a single file system notification.
type Event struct {
Name string // Relative path to the file or directory.
Op Op // File operation that triggered the event.
}
// Op describes a set of file operations.
type Op uint32
// These are the generalized file operations that can trigger a notification.
const (
Create Op = 1 << iota
Write
Remove
Rename
Chmod
)
func (op Op) String() string {
// Use a buffer for efficient string concatenation
var buffer bytes.Buffer
if op&Create == Create {
buffer.WriteString("|CREATE")
}
if op&Remove == Remove {
buffer.WriteString("|REMOVE")
}
if op&Write == Write {
buffer.WriteString("|WRITE")
}
if op&Rename == Rename {
buffer.WriteString("|RENAME")
}
if op&Chmod == Chmod {
buffer.WriteString("|CHMOD")
}
if buffer.Len() == 0 {
return ""
}
return buffer.String()[1:] // Strip leading pipe
}
// String returns a string representation of the event in the form
// "file: REMOVE|WRITE|..."
func (e Event) String() string {
return fmt.Sprintf("%q: %s", e.Name, e.Op.String())
}
// Common errors that can be reported by a watcher
var (
ErrEventOverflow = errors.New("fsnotify queue overflow")
)

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@ -1,36 +0,0 @@
// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !darwin && !dragonfly && !freebsd && !openbsd && !linux && !netbsd && !solaris && !windows
// +build !darwin,!dragonfly,!freebsd,!openbsd,!linux,!netbsd,!solaris,!windows
package fsnotify
import (
"fmt"
"runtime"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct{}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
return nil, fmt.Errorf("fsnotify not supported on %s", runtime.GOOS)
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
return nil
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
return nil
}

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@ -1,351 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux
// +build linux
package fsnotify
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"sync"
"unsafe"
"golang.org/x/sys/unix"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
mu sync.Mutex // Map access
fd int
poller *fdPoller
watches map[string]*watch // Map of inotify watches (key: path)
paths map[int]string // Map of watched paths (key: watch descriptor)
done chan struct{} // Channel for sending a "quit message" to the reader goroutine
doneResp chan struct{} // Channel to respond to Close
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
// Create inotify fd
fd, errno := unix.InotifyInit1(unix.IN_CLOEXEC)
if fd == -1 {
return nil, errno
}
// Create epoll
poller, err := newFdPoller(fd)
if err != nil {
unix.Close(fd)
return nil, err
}
w := &Watcher{
fd: fd,
poller: poller,
watches: make(map[string]*watch),
paths: make(map[int]string),
Events: make(chan Event),
Errors: make(chan error),
done: make(chan struct{}),
doneResp: make(chan struct{}),
}
go w.readEvents()
return w, nil
}
func (w *Watcher) isClosed() bool {
select {
case <-w.done:
return true
default:
return false
}
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
if w.isClosed() {
return nil
}
// Send 'close' signal to goroutine, and set the Watcher to closed.
close(w.done)
// Wake up goroutine
w.poller.wake()
// Wait for goroutine to close
<-w.doneResp
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
name = filepath.Clean(name)
if w.isClosed() {
return errors.New("inotify instance already closed")
}
const agnosticEvents = unix.IN_MOVED_TO | unix.IN_MOVED_FROM |
unix.IN_CREATE | unix.IN_ATTRIB | unix.IN_MODIFY |
unix.IN_MOVE_SELF | unix.IN_DELETE | unix.IN_DELETE_SELF
var flags uint32 = agnosticEvents
w.mu.Lock()
defer w.mu.Unlock()
watchEntry := w.watches[name]
if watchEntry != nil {
flags |= watchEntry.flags | unix.IN_MASK_ADD
}
wd, errno := unix.InotifyAddWatch(w.fd, name, flags)
if wd == -1 {
return errno
}
if watchEntry == nil {
w.watches[name] = &watch{wd: uint32(wd), flags: flags}
w.paths[wd] = name
} else {
watchEntry.wd = uint32(wd)
watchEntry.flags = flags
}
return nil
}
// Remove stops watching the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
name = filepath.Clean(name)
// Fetch the watch.
w.mu.Lock()
defer w.mu.Unlock()
watch, ok := w.watches[name]
// Remove it from inotify.
if !ok {
return fmt.Errorf("can't remove non-existent inotify watch for: %s", name)
}
// We successfully removed the watch if InotifyRmWatch doesn't return an
// error, we need to clean up our internal state to ensure it matches
// inotify's kernel state.
delete(w.paths, int(watch.wd))
delete(w.watches, name)
// inotify_rm_watch will return EINVAL if the file has been deleted;
// the inotify will already have been removed.
// watches and pathes are deleted in ignoreLinux() implicitly and asynchronously
// by calling inotify_rm_watch() below. e.g. readEvents() goroutine receives IN_IGNORE
// so that EINVAL means that the wd is being rm_watch()ed or its file removed
// by another thread and we have not received IN_IGNORE event.
success, errno := unix.InotifyRmWatch(w.fd, watch.wd)
if success == -1 {
// TODO: Perhaps it's not helpful to return an error here in every case.
// the only two possible errors are:
// EBADF, which happens when w.fd is not a valid file descriptor of any kind.
// EINVAL, which is when fd is not an inotify descriptor or wd is not a valid watch descriptor.
// Watch descriptors are invalidated when they are removed explicitly or implicitly;
// explicitly by inotify_rm_watch, implicitly when the file they are watching is deleted.
return errno
}
return nil
}
// WatchList returns the directories and files that are being monitered.
func (w *Watcher) WatchList() []string {
w.mu.Lock()
defer w.mu.Unlock()
entries := make([]string, 0, len(w.watches))
for pathname := range w.watches {
entries = append(entries, pathname)
}
return entries
}
type watch struct {
wd uint32 // Watch descriptor (as returned by the inotify_add_watch() syscall)
flags uint32 // inotify flags of this watch (see inotify(7) for the list of valid flags)
}
// readEvents reads from the inotify file descriptor, converts the
// received events into Event objects and sends them via the Events channel
func (w *Watcher) readEvents() {
var (
buf [unix.SizeofInotifyEvent * 4096]byte // Buffer for a maximum of 4096 raw events
n int // Number of bytes read with read()
errno error // Syscall errno
ok bool // For poller.wait
)
defer close(w.doneResp)
defer close(w.Errors)
defer close(w.Events)
defer unix.Close(w.fd)
defer w.poller.close()
for {
// See if we have been closed.
if w.isClosed() {
return
}
ok, errno = w.poller.wait()
if errno != nil {
select {
case w.Errors <- errno:
case <-w.done:
return
}
continue
}
if !ok {
continue
}
n, errno = unix.Read(w.fd, buf[:])
// If a signal interrupted execution, see if we've been asked to close, and try again.
// http://man7.org/linux/man-pages/man7/signal.7.html :
// "Before Linux 3.8, reads from an inotify(7) file descriptor were not restartable"
if errno == unix.EINTR {
continue
}
// unix.Read might have been woken up by Close. If so, we're done.
if w.isClosed() {
return
}
if n < unix.SizeofInotifyEvent {
var err error
if n == 0 {
// If EOF is received. This should really never happen.
err = io.EOF
} else if n < 0 {
// If an error occurred while reading.
err = errno
} else {
// Read was too short.
err = errors.New("notify: short read in readEvents()")
}
select {
case w.Errors <- err:
case <-w.done:
return
}
continue
}
var offset uint32
// We don't know how many events we just read into the buffer
// While the offset points to at least one whole event...
for offset <= uint32(n-unix.SizeofInotifyEvent) {
// Point "raw" to the event in the buffer
raw := (*unix.InotifyEvent)(unsafe.Pointer(&buf[offset]))
mask := uint32(raw.Mask)
nameLen := uint32(raw.Len)
if mask&unix.IN_Q_OVERFLOW != 0 {
select {
case w.Errors <- ErrEventOverflow:
case <-w.done:
return
}
}
// If the event happened to the watched directory or the watched file, the kernel
// doesn't append the filename to the event, but we would like to always fill the
// the "Name" field with a valid filename. We retrieve the path of the watch from
// the "paths" map.
w.mu.Lock()
name, ok := w.paths[int(raw.Wd)]
// IN_DELETE_SELF occurs when the file/directory being watched is removed.
// This is a sign to clean up the maps, otherwise we are no longer in sync
// with the inotify kernel state which has already deleted the watch
// automatically.
if ok && mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF {
delete(w.paths, int(raw.Wd))
delete(w.watches, name)
}
w.mu.Unlock()
if nameLen > 0 {
// Point "bytes" at the first byte of the filename
bytes := (*[unix.PathMax]byte)(unsafe.Pointer(&buf[offset+unix.SizeofInotifyEvent]))[:nameLen:nameLen]
// The filename is padded with NULL bytes. TrimRight() gets rid of those.
name += "/" + strings.TrimRight(string(bytes[0:nameLen]), "\000")
}
event := newEvent(name, mask)
// Send the events that are not ignored on the events channel
if !event.ignoreLinux(mask) {
select {
case w.Events <- event:
case <-w.done:
return
}
}
// Move to the next event in the buffer
offset += unix.SizeofInotifyEvent + nameLen
}
}
}
// Certain types of events can be "ignored" and not sent over the Events
// channel. Such as events marked ignore by the kernel, or MODIFY events
// against files that do not exist.
func (e *Event) ignoreLinux(mask uint32) bool {
// Ignore anything the inotify API says to ignore
if mask&unix.IN_IGNORED == unix.IN_IGNORED {
return true
}
// If the event is not a DELETE or RENAME, the file must exist.
// Otherwise the event is ignored.
// *Note*: this was put in place because it was seen that a MODIFY
// event was sent after the DELETE. This ignores that MODIFY and
// assumes a DELETE will come or has come if the file doesn't exist.
if !(e.Op&Remove == Remove || e.Op&Rename == Rename) {
_, statErr := os.Lstat(e.Name)
return os.IsNotExist(statErr)
}
return false
}
// newEvent returns an platform-independent Event based on an inotify mask.
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&unix.IN_CREATE == unix.IN_CREATE || mask&unix.IN_MOVED_TO == unix.IN_MOVED_TO {
e.Op |= Create
}
if mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF || mask&unix.IN_DELETE == unix.IN_DELETE {
e.Op |= Remove
}
if mask&unix.IN_MODIFY == unix.IN_MODIFY {
e.Op |= Write
}
if mask&unix.IN_MOVE_SELF == unix.IN_MOVE_SELF || mask&unix.IN_MOVED_FROM == unix.IN_MOVED_FROM {
e.Op |= Rename
}
if mask&unix.IN_ATTRIB == unix.IN_ATTRIB {
e.Op |= Chmod
}
return e
}

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@ -1,187 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux
// +build linux
package fsnotify
import (
"errors"
"golang.org/x/sys/unix"
)
type fdPoller struct {
fd int // File descriptor (as returned by the inotify_init() syscall)
epfd int // Epoll file descriptor
pipe [2]int // Pipe for waking up
}
func emptyPoller(fd int) *fdPoller {
poller := new(fdPoller)
poller.fd = fd
poller.epfd = -1
poller.pipe[0] = -1
poller.pipe[1] = -1
return poller
}
// Create a new inotify poller.
// This creates an inotify handler, and an epoll handler.
func newFdPoller(fd int) (*fdPoller, error) {
var errno error
poller := emptyPoller(fd)
defer func() {
if errno != nil {
poller.close()
}
}()
// Create epoll fd
poller.epfd, errno = unix.EpollCreate1(unix.EPOLL_CLOEXEC)
if poller.epfd == -1 {
return nil, errno
}
// Create pipe; pipe[0] is the read end, pipe[1] the write end.
errno = unix.Pipe2(poller.pipe[:], unix.O_NONBLOCK|unix.O_CLOEXEC)
if errno != nil {
return nil, errno
}
// Register inotify fd with epoll
event := unix.EpollEvent{
Fd: int32(poller.fd),
Events: unix.EPOLLIN,
}
errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.fd, &event)
if errno != nil {
return nil, errno
}
// Register pipe fd with epoll
event = unix.EpollEvent{
Fd: int32(poller.pipe[0]),
Events: unix.EPOLLIN,
}
errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.pipe[0], &event)
if errno != nil {
return nil, errno
}
return poller, nil
}
// Wait using epoll.
// Returns true if something is ready to be read,
// false if there is not.
func (poller *fdPoller) wait() (bool, error) {
// 3 possible events per fd, and 2 fds, makes a maximum of 6 events.
// I don't know whether epoll_wait returns the number of events returned,
// or the total number of events ready.
// I decided to catch both by making the buffer one larger than the maximum.
events := make([]unix.EpollEvent, 7)
for {
n, errno := unix.EpollWait(poller.epfd, events, -1)
if n == -1 {
if errno == unix.EINTR {
continue
}
return false, errno
}
if n == 0 {
// If there are no events, try again.
continue
}
if n > 6 {
// This should never happen. More events were returned than should be possible.
return false, errors.New("epoll_wait returned more events than I know what to do with")
}
ready := events[:n]
epollhup := false
epollerr := false
epollin := false
for _, event := range ready {
if event.Fd == int32(poller.fd) {
if event.Events&unix.EPOLLHUP != 0 {
// This should not happen, but if it does, treat it as a wakeup.
epollhup = true
}
if event.Events&unix.EPOLLERR != 0 {
// If an error is waiting on the file descriptor, we should pretend
// something is ready to read, and let unix.Read pick up the error.
epollerr = true
}
if event.Events&unix.EPOLLIN != 0 {
// There is data to read.
epollin = true
}
}
if event.Fd == int32(poller.pipe[0]) {
if event.Events&unix.EPOLLHUP != 0 {
// Write pipe descriptor was closed, by us. This means we're closing down the
// watcher, and we should wake up.
}
if event.Events&unix.EPOLLERR != 0 {
// If an error is waiting on the pipe file descriptor.
// This is an absolute mystery, and should never ever happen.
return false, errors.New("Error on the pipe descriptor.")
}
if event.Events&unix.EPOLLIN != 0 {
// This is a regular wakeup, so we have to clear the buffer.
err := poller.clearWake()
if err != nil {
return false, err
}
}
}
}
if epollhup || epollerr || epollin {
return true, nil
}
return false, nil
}
}
// Close the write end of the poller.
func (poller *fdPoller) wake() error {
buf := make([]byte, 1)
n, errno := unix.Write(poller.pipe[1], buf)
if n == -1 {
if errno == unix.EAGAIN {
// Buffer is full, poller will wake.
return nil
}
return errno
}
return nil
}
func (poller *fdPoller) clearWake() error {
// You have to be woken up a LOT in order to get to 100!
buf := make([]byte, 100)
n, errno := unix.Read(poller.pipe[0], buf)
if n == -1 {
if errno == unix.EAGAIN {
// Buffer is empty, someone else cleared our wake.
return nil
}
return errno
}
return nil
}
// Close all poller file descriptors, but not the one passed to it.
func (poller *fdPoller) close() {
if poller.pipe[1] != -1 {
unix.Close(poller.pipe[1])
}
if poller.pipe[0] != -1 {
unix.Close(poller.pipe[0])
}
if poller.epfd != -1 {
unix.Close(poller.epfd)
}
}

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@ -1,535 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build freebsd || openbsd || netbsd || dragonfly || darwin
// +build freebsd openbsd netbsd dragonfly darwin
package fsnotify
import (
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sync"
"time"
"golang.org/x/sys/unix"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
done chan struct{} // Channel for sending a "quit message" to the reader goroutine
kq int // File descriptor (as returned by the kqueue() syscall).
mu sync.Mutex // Protects access to watcher data
watches map[string]int // Map of watched file descriptors (key: path).
externalWatches map[string]bool // Map of watches added by user of the library.
dirFlags map[string]uint32 // Map of watched directories to fflags used in kqueue.
paths map[int]pathInfo // Map file descriptors to path names for processing kqueue events.
fileExists map[string]bool // Keep track of if we know this file exists (to stop duplicate create events).
isClosed bool // Set to true when Close() is first called
}
type pathInfo struct {
name string
isDir bool
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
kq, err := kqueue()
if err != nil {
return nil, err
}
w := &Watcher{
kq: kq,
watches: make(map[string]int),
dirFlags: make(map[string]uint32),
paths: make(map[int]pathInfo),
fileExists: make(map[string]bool),
externalWatches: make(map[string]bool),
Events: make(chan Event),
Errors: make(chan error),
done: make(chan struct{}),
}
go w.readEvents()
return w, nil
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
w.mu.Lock()
if w.isClosed {
w.mu.Unlock()
return nil
}
w.isClosed = true
// copy paths to remove while locked
var pathsToRemove = make([]string, 0, len(w.watches))
for name := range w.watches {
pathsToRemove = append(pathsToRemove, name)
}
w.mu.Unlock()
// unlock before calling Remove, which also locks
for _, name := range pathsToRemove {
w.Remove(name)
}
// send a "quit" message to the reader goroutine
close(w.done)
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
w.mu.Lock()
w.externalWatches[name] = true
w.mu.Unlock()
_, err := w.addWatch(name, noteAllEvents)
return err
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
name = filepath.Clean(name)
w.mu.Lock()
watchfd, ok := w.watches[name]
w.mu.Unlock()
if !ok {
return fmt.Errorf("can't remove non-existent kevent watch for: %s", name)
}
const registerRemove = unix.EV_DELETE
if err := register(w.kq, []int{watchfd}, registerRemove, 0); err != nil {
return err
}
unix.Close(watchfd)
w.mu.Lock()
isDir := w.paths[watchfd].isDir
delete(w.watches, name)
delete(w.paths, watchfd)
delete(w.dirFlags, name)
w.mu.Unlock()
// Find all watched paths that are in this directory that are not external.
if isDir {
var pathsToRemove []string
w.mu.Lock()
for _, path := range w.paths {
wdir, _ := filepath.Split(path.name)
if filepath.Clean(wdir) == name {
if !w.externalWatches[path.name] {
pathsToRemove = append(pathsToRemove, path.name)
}
}
}
w.mu.Unlock()
for _, name := range pathsToRemove {
// Since these are internal, not much sense in propagating error
// to the user, as that will just confuse them with an error about
// a path they did not explicitly watch themselves.
w.Remove(name)
}
}
return nil
}
// WatchList returns the directories and files that are being monitered.
func (w *Watcher) WatchList() []string {
w.mu.Lock()
defer w.mu.Unlock()
entries := make([]string, 0, len(w.watches))
for pathname := range w.watches {
entries = append(entries, pathname)
}
return entries
}
// Watch all events (except NOTE_EXTEND, NOTE_LINK, NOTE_REVOKE)
const noteAllEvents = unix.NOTE_DELETE | unix.NOTE_WRITE | unix.NOTE_ATTRIB | unix.NOTE_RENAME
// keventWaitTime to block on each read from kevent
var keventWaitTime = durationToTimespec(100 * time.Millisecond)
// addWatch adds name to the watched file set.
// The flags are interpreted as described in kevent(2).
// Returns the real path to the file which was added, if any, which may be different from the one passed in the case of symlinks.
func (w *Watcher) addWatch(name string, flags uint32) (string, error) {
var isDir bool
// Make ./name and name equivalent
name = filepath.Clean(name)
w.mu.Lock()
if w.isClosed {
w.mu.Unlock()
return "", errors.New("kevent instance already closed")
}
watchfd, alreadyWatching := w.watches[name]
// We already have a watch, but we can still override flags.
if alreadyWatching {
isDir = w.paths[watchfd].isDir
}
w.mu.Unlock()
if !alreadyWatching {
fi, err := os.Lstat(name)
if err != nil {
return "", err
}
// Don't watch sockets.
if fi.Mode()&os.ModeSocket == os.ModeSocket {
return "", nil
}
// Don't watch named pipes.
if fi.Mode()&os.ModeNamedPipe == os.ModeNamedPipe {
return "", nil
}
// Follow Symlinks
// Unfortunately, Linux can add bogus symlinks to watch list without
// issue, and Windows can't do symlinks period (AFAIK). To maintain
// consistency, we will act like everything is fine. There will simply
// be no file events for broken symlinks.
// Hence the returns of nil on errors.
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
name, err = filepath.EvalSymlinks(name)
if err != nil {
return "", nil
}
w.mu.Lock()
_, alreadyWatching = w.watches[name]
w.mu.Unlock()
if alreadyWatching {
return name, nil
}
fi, err = os.Lstat(name)
if err != nil {
return "", nil
}
}
watchfd, err = unix.Open(name, openMode, 0700)
if watchfd == -1 {
return "", err
}
isDir = fi.IsDir()
}
const registerAdd = unix.EV_ADD | unix.EV_CLEAR | unix.EV_ENABLE
if err := register(w.kq, []int{watchfd}, registerAdd, flags); err != nil {
unix.Close(watchfd)
return "", err
}
if !alreadyWatching {
w.mu.Lock()
w.watches[name] = watchfd
w.paths[watchfd] = pathInfo{name: name, isDir: isDir}
w.mu.Unlock()
}
if isDir {
// Watch the directory if it has not been watched before,
// or if it was watched before, but perhaps only a NOTE_DELETE (watchDirectoryFiles)
w.mu.Lock()
watchDir := (flags&unix.NOTE_WRITE) == unix.NOTE_WRITE &&
(!alreadyWatching || (w.dirFlags[name]&unix.NOTE_WRITE) != unix.NOTE_WRITE)
// Store flags so this watch can be updated later
w.dirFlags[name] = flags
w.mu.Unlock()
if watchDir {
if err := w.watchDirectoryFiles(name); err != nil {
return "", err
}
}
}
return name, nil
}
// readEvents reads from kqueue and converts the received kevents into
// Event values that it sends down the Events channel.
func (w *Watcher) readEvents() {
eventBuffer := make([]unix.Kevent_t, 10)
loop:
for {
// See if there is a message on the "done" channel
select {
case <-w.done:
break loop
default:
}
// Get new events
kevents, err := read(w.kq, eventBuffer, &keventWaitTime)
// EINTR is okay, the syscall was interrupted before timeout expired.
if err != nil && err != unix.EINTR {
select {
case w.Errors <- err:
case <-w.done:
break loop
}
continue
}
// Flush the events we received to the Events channel
for len(kevents) > 0 {
kevent := &kevents[0]
watchfd := int(kevent.Ident)
mask := uint32(kevent.Fflags)
w.mu.Lock()
path := w.paths[watchfd]
w.mu.Unlock()
event := newEvent(path.name, mask)
if path.isDir && !(event.Op&Remove == Remove) {
// Double check to make sure the directory exists. This can happen when
// we do a rm -fr on a recursively watched folders and we receive a
// modification event first but the folder has been deleted and later
// receive the delete event
if _, err := os.Lstat(event.Name); os.IsNotExist(err) {
// mark is as delete event
event.Op |= Remove
}
}
if event.Op&Rename == Rename || event.Op&Remove == Remove {
w.Remove(event.Name)
w.mu.Lock()
delete(w.fileExists, event.Name)
w.mu.Unlock()
}
if path.isDir && event.Op&Write == Write && !(event.Op&Remove == Remove) {
w.sendDirectoryChangeEvents(event.Name)
} else {
// Send the event on the Events channel.
select {
case w.Events <- event:
case <-w.done:
break loop
}
}
if event.Op&Remove == Remove {
// Look for a file that may have overwritten this.
// For example, mv f1 f2 will delete f2, then create f2.
if path.isDir {
fileDir := filepath.Clean(event.Name)
w.mu.Lock()
_, found := w.watches[fileDir]
w.mu.Unlock()
if found {
// make sure the directory exists before we watch for changes. When we
// do a recursive watch and perform rm -fr, the parent directory might
// have gone missing, ignore the missing directory and let the
// upcoming delete event remove the watch from the parent directory.
if _, err := os.Lstat(fileDir); err == nil {
w.sendDirectoryChangeEvents(fileDir)
}
}
} else {
filePath := filepath.Clean(event.Name)
if fileInfo, err := os.Lstat(filePath); err == nil {
w.sendFileCreatedEventIfNew(filePath, fileInfo)
}
}
}
// Move to next event
kevents = kevents[1:]
}
}
// cleanup
err := unix.Close(w.kq)
if err != nil {
// only way the previous loop breaks is if w.done was closed so we need to async send to w.Errors.
select {
case w.Errors <- err:
default:
}
}
close(w.Events)
close(w.Errors)
}
// newEvent returns an platform-independent Event based on kqueue Fflags.
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&unix.NOTE_DELETE == unix.NOTE_DELETE {
e.Op |= Remove
}
if mask&unix.NOTE_WRITE == unix.NOTE_WRITE {
e.Op |= Write
}
if mask&unix.NOTE_RENAME == unix.NOTE_RENAME {
e.Op |= Rename
}
if mask&unix.NOTE_ATTRIB == unix.NOTE_ATTRIB {
e.Op |= Chmod
}
return e
}
func newCreateEvent(name string) Event {
return Event{Name: name, Op: Create}
}
// watchDirectoryFiles to mimic inotify when adding a watch on a directory
func (w *Watcher) watchDirectoryFiles(dirPath string) error {
// Get all files
files, err := ioutil.ReadDir(dirPath)
if err != nil {
return err
}
for _, fileInfo := range files {
filePath := filepath.Join(dirPath, fileInfo.Name())
filePath, err = w.internalWatch(filePath, fileInfo)
if err != nil {
return err
}
w.mu.Lock()
w.fileExists[filePath] = true
w.mu.Unlock()
}
return nil
}
// sendDirectoryEvents searches the directory for newly created files
// and sends them over the event channel. This functionality is to have
// the BSD version of fsnotify match Linux inotify which provides a
// create event for files created in a watched directory.
func (w *Watcher) sendDirectoryChangeEvents(dirPath string) {
// Get all files
files, err := ioutil.ReadDir(dirPath)
if err != nil {
select {
case w.Errors <- err:
case <-w.done:
return
}
}
// Search for new files
for _, fileInfo := range files {
filePath := filepath.Join(dirPath, fileInfo.Name())
err := w.sendFileCreatedEventIfNew(filePath, fileInfo)
if err != nil {
return
}
}
}
// sendFileCreatedEvent sends a create event if the file isn't already being tracked.
func (w *Watcher) sendFileCreatedEventIfNew(filePath string, fileInfo os.FileInfo) (err error) {
w.mu.Lock()
_, doesExist := w.fileExists[filePath]
w.mu.Unlock()
if !doesExist {
// Send create event
select {
case w.Events <- newCreateEvent(filePath):
case <-w.done:
return
}
}
// like watchDirectoryFiles (but without doing another ReadDir)
filePath, err = w.internalWatch(filePath, fileInfo)
if err != nil {
return err
}
w.mu.Lock()
w.fileExists[filePath] = true
w.mu.Unlock()
return nil
}
func (w *Watcher) internalWatch(name string, fileInfo os.FileInfo) (string, error) {
if fileInfo.IsDir() {
// mimic Linux providing delete events for subdirectories
// but preserve the flags used if currently watching subdirectory
w.mu.Lock()
flags := w.dirFlags[name]
w.mu.Unlock()
flags |= unix.NOTE_DELETE | unix.NOTE_RENAME
return w.addWatch(name, flags)
}
// watch file to mimic Linux inotify
return w.addWatch(name, noteAllEvents)
}
// kqueue creates a new kernel event queue and returns a descriptor.
func kqueue() (kq int, err error) {
kq, err = unix.Kqueue()
if kq == -1 {
return kq, err
}
return kq, nil
}
// register events with the queue
func register(kq int, fds []int, flags int, fflags uint32) error {
changes := make([]unix.Kevent_t, len(fds))
for i, fd := range fds {
// SetKevent converts int to the platform-specific types:
unix.SetKevent(&changes[i], fd, unix.EVFILT_VNODE, flags)
changes[i].Fflags = fflags
}
// register the events
success, err := unix.Kevent(kq, changes, nil, nil)
if success == -1 {
return err
}
return nil
}
// read retrieves pending events, or waits until an event occurs.
// A timeout of nil blocks indefinitely, while 0 polls the queue.
func read(kq int, events []unix.Kevent_t, timeout *unix.Timespec) ([]unix.Kevent_t, error) {
n, err := unix.Kevent(kq, nil, events, timeout)
if err != nil {
return nil, err
}
return events[0:n], nil
}
// durationToTimespec prepares a timeout value
func durationToTimespec(d time.Duration) unix.Timespec {
return unix.NsecToTimespec(d.Nanoseconds())
}

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@ -1,12 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build freebsd || openbsd || netbsd || dragonfly
// +build freebsd openbsd netbsd dragonfly
package fsnotify
import "golang.org/x/sys/unix"
const openMode = unix.O_NONBLOCK | unix.O_RDONLY | unix.O_CLOEXEC

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@ -1,13 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build darwin
// +build darwin
package fsnotify
import "golang.org/x/sys/unix"
// note: this constant is not defined on BSD
const openMode = unix.O_EVTONLY | unix.O_CLOEXEC

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@ -1,586 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build windows
// +build windows
package fsnotify
import (
"errors"
"fmt"
"os"
"path/filepath"
"reflect"
"runtime"
"sync"
"syscall"
"unsafe"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
isClosed bool // Set to true when Close() is first called
mu sync.Mutex // Map access
port syscall.Handle // Handle to completion port
watches watchMap // Map of watches (key: i-number)
input chan *input // Inputs to the reader are sent on this channel
quit chan chan<- error
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
port, e := syscall.CreateIoCompletionPort(syscall.InvalidHandle, 0, 0, 0)
if e != nil {
return nil, os.NewSyscallError("CreateIoCompletionPort", e)
}
w := &Watcher{
port: port,
watches: make(watchMap),
input: make(chan *input, 1),
Events: make(chan Event, 50),
Errors: make(chan error),
quit: make(chan chan<- error, 1),
}
go w.readEvents()
return w, nil
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
if w.isClosed {
return nil
}
w.isClosed = true
// Send "quit" message to the reader goroutine
ch := make(chan error)
w.quit <- ch
if err := w.wakeupReader(); err != nil {
return err
}
return <-ch
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
if w.isClosed {
return errors.New("watcher already closed")
}
in := &input{
op: opAddWatch,
path: filepath.Clean(name),
flags: sysFSALLEVENTS,
reply: make(chan error),
}
w.input <- in
if err := w.wakeupReader(); err != nil {
return err
}
return <-in.reply
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
in := &input{
op: opRemoveWatch,
path: filepath.Clean(name),
reply: make(chan error),
}
w.input <- in
if err := w.wakeupReader(); err != nil {
return err
}
return <-in.reply
}
// WatchList returns the directories and files that are being monitered.
func (w *Watcher) WatchList() []string {
w.mu.Lock()
defer w.mu.Unlock()
entries := make([]string, 0, len(w.watches))
for _, entry := range w.watches {
for _, watchEntry := range entry {
entries = append(entries, watchEntry.path)
}
}
return entries
}
const (
// Options for AddWatch
sysFSONESHOT = 0x80000000
sysFSONLYDIR = 0x1000000
// Events
sysFSACCESS = 0x1
sysFSALLEVENTS = 0xfff
sysFSATTRIB = 0x4
sysFSCLOSE = 0x18
sysFSCREATE = 0x100
sysFSDELETE = 0x200
sysFSDELETESELF = 0x400
sysFSMODIFY = 0x2
sysFSMOVE = 0xc0
sysFSMOVEDFROM = 0x40
sysFSMOVEDTO = 0x80
sysFSMOVESELF = 0x800
// Special events
sysFSIGNORED = 0x8000
sysFSQOVERFLOW = 0x4000
)
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&sysFSCREATE == sysFSCREATE || mask&sysFSMOVEDTO == sysFSMOVEDTO {
e.Op |= Create
}
if mask&sysFSDELETE == sysFSDELETE || mask&sysFSDELETESELF == sysFSDELETESELF {
e.Op |= Remove
}
if mask&sysFSMODIFY == sysFSMODIFY {
e.Op |= Write
}
if mask&sysFSMOVE == sysFSMOVE || mask&sysFSMOVESELF == sysFSMOVESELF || mask&sysFSMOVEDFROM == sysFSMOVEDFROM {
e.Op |= Rename
}
if mask&sysFSATTRIB == sysFSATTRIB {
e.Op |= Chmod
}
return e
}
const (
opAddWatch = iota
opRemoveWatch
)
const (
provisional uint64 = 1 << (32 + iota)
)
type input struct {
op int
path string
flags uint32
reply chan error
}
type inode struct {
handle syscall.Handle
volume uint32
index uint64
}
type watch struct {
ov syscall.Overlapped
ino *inode // i-number
path string // Directory path
mask uint64 // Directory itself is being watched with these notify flags
names map[string]uint64 // Map of names being watched and their notify flags
rename string // Remembers the old name while renaming a file
buf [4096]byte
}
type indexMap map[uint64]*watch
type watchMap map[uint32]indexMap
func (w *Watcher) wakeupReader() error {
e := syscall.PostQueuedCompletionStatus(w.port, 0, 0, nil)
if e != nil {
return os.NewSyscallError("PostQueuedCompletionStatus", e)
}
return nil
}
func getDir(pathname string) (dir string, err error) {
attr, e := syscall.GetFileAttributes(syscall.StringToUTF16Ptr(pathname))
if e != nil {
return "", os.NewSyscallError("GetFileAttributes", e)
}
if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
dir = pathname
} else {
dir, _ = filepath.Split(pathname)
dir = filepath.Clean(dir)
}
return
}
func getIno(path string) (ino *inode, err error) {
h, e := syscall.CreateFile(syscall.StringToUTF16Ptr(path),
syscall.FILE_LIST_DIRECTORY,
syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
nil, syscall.OPEN_EXISTING,
syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OVERLAPPED, 0)
if e != nil {
return nil, os.NewSyscallError("CreateFile", e)
}
var fi syscall.ByHandleFileInformation
if e = syscall.GetFileInformationByHandle(h, &fi); e != nil {
syscall.CloseHandle(h)
return nil, os.NewSyscallError("GetFileInformationByHandle", e)
}
ino = &inode{
handle: h,
volume: fi.VolumeSerialNumber,
index: uint64(fi.FileIndexHigh)<<32 | uint64(fi.FileIndexLow),
}
return ino, nil
}
// Must run within the I/O thread.
func (m watchMap) get(ino *inode) *watch {
if i := m[ino.volume]; i != nil {
return i[ino.index]
}
return nil
}
// Must run within the I/O thread.
func (m watchMap) set(ino *inode, watch *watch) {
i := m[ino.volume]
if i == nil {
i = make(indexMap)
m[ino.volume] = i
}
i[ino.index] = watch
}
// Must run within the I/O thread.
func (w *Watcher) addWatch(pathname string, flags uint64) error {
dir, err := getDir(pathname)
if err != nil {
return err
}
if flags&sysFSONLYDIR != 0 && pathname != dir {
return nil
}
ino, err := getIno(dir)
if err != nil {
return err
}
w.mu.Lock()
watchEntry := w.watches.get(ino)
w.mu.Unlock()
if watchEntry == nil {
if _, e := syscall.CreateIoCompletionPort(ino.handle, w.port, 0, 0); e != nil {
syscall.CloseHandle(ino.handle)
return os.NewSyscallError("CreateIoCompletionPort", e)
}
watchEntry = &watch{
ino: ino,
path: dir,
names: make(map[string]uint64),
}
w.mu.Lock()
w.watches.set(ino, watchEntry)
w.mu.Unlock()
flags |= provisional
} else {
syscall.CloseHandle(ino.handle)
}
if pathname == dir {
watchEntry.mask |= flags
} else {
watchEntry.names[filepath.Base(pathname)] |= flags
}
if err = w.startRead(watchEntry); err != nil {
return err
}
if pathname == dir {
watchEntry.mask &= ^provisional
} else {
watchEntry.names[filepath.Base(pathname)] &= ^provisional
}
return nil
}
// Must run within the I/O thread.
func (w *Watcher) remWatch(pathname string) error {
dir, err := getDir(pathname)
if err != nil {
return err
}
ino, err := getIno(dir)
if err != nil {
return err
}
w.mu.Lock()
watch := w.watches.get(ino)
w.mu.Unlock()
if watch == nil {
return fmt.Errorf("can't remove non-existent watch for: %s", pathname)
}
if pathname == dir {
w.sendEvent(watch.path, watch.mask&sysFSIGNORED)
watch.mask = 0
} else {
name := filepath.Base(pathname)
w.sendEvent(filepath.Join(watch.path, name), watch.names[name]&sysFSIGNORED)
delete(watch.names, name)
}
return w.startRead(watch)
}
// Must run within the I/O thread.
func (w *Watcher) deleteWatch(watch *watch) {
for name, mask := range watch.names {
if mask&provisional == 0 {
w.sendEvent(filepath.Join(watch.path, name), mask&sysFSIGNORED)
}
delete(watch.names, name)
}
if watch.mask != 0 {
if watch.mask&provisional == 0 {
w.sendEvent(watch.path, watch.mask&sysFSIGNORED)
}
watch.mask = 0
}
}
// Must run within the I/O thread.
func (w *Watcher) startRead(watch *watch) error {
if e := syscall.CancelIo(watch.ino.handle); e != nil {
w.Errors <- os.NewSyscallError("CancelIo", e)
w.deleteWatch(watch)
}
mask := toWindowsFlags(watch.mask)
for _, m := range watch.names {
mask |= toWindowsFlags(m)
}
if mask == 0 {
if e := syscall.CloseHandle(watch.ino.handle); e != nil {
w.Errors <- os.NewSyscallError("CloseHandle", e)
}
w.mu.Lock()
delete(w.watches[watch.ino.volume], watch.ino.index)
w.mu.Unlock()
return nil
}
e := syscall.ReadDirectoryChanges(watch.ino.handle, &watch.buf[0],
uint32(unsafe.Sizeof(watch.buf)), false, mask, nil, &watch.ov, 0)
if e != nil {
err := os.NewSyscallError("ReadDirectoryChanges", e)
if e == syscall.ERROR_ACCESS_DENIED && watch.mask&provisional == 0 {
// Watched directory was probably removed
if w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) {
if watch.mask&sysFSONESHOT != 0 {
watch.mask = 0
}
}
err = nil
}
w.deleteWatch(watch)
w.startRead(watch)
return err
}
return nil
}
// readEvents reads from the I/O completion port, converts the
// received events into Event objects and sends them via the Events channel.
// Entry point to the I/O thread.
func (w *Watcher) readEvents() {
var (
n, key uint32
ov *syscall.Overlapped
)
runtime.LockOSThread()
for {
e := syscall.GetQueuedCompletionStatus(w.port, &n, &key, &ov, syscall.INFINITE)
watch := (*watch)(unsafe.Pointer(ov))
if watch == nil {
select {
case ch := <-w.quit:
w.mu.Lock()
var indexes []indexMap
for _, index := range w.watches {
indexes = append(indexes, index)
}
w.mu.Unlock()
for _, index := range indexes {
for _, watch := range index {
w.deleteWatch(watch)
w.startRead(watch)
}
}
var err error
if e := syscall.CloseHandle(w.port); e != nil {
err = os.NewSyscallError("CloseHandle", e)
}
close(w.Events)
close(w.Errors)
ch <- err
return
case in := <-w.input:
switch in.op {
case opAddWatch:
in.reply <- w.addWatch(in.path, uint64(in.flags))
case opRemoveWatch:
in.reply <- w.remWatch(in.path)
}
default:
}
continue
}
switch e {
case syscall.ERROR_MORE_DATA:
if watch == nil {
w.Errors <- errors.New("ERROR_MORE_DATA has unexpectedly null lpOverlapped buffer")
} else {
// The i/o succeeded but the buffer is full.
// In theory we should be building up a full packet.
// In practice we can get away with just carrying on.
n = uint32(unsafe.Sizeof(watch.buf))
}
case syscall.ERROR_ACCESS_DENIED:
// Watched directory was probably removed
w.sendEvent(watch.path, watch.mask&sysFSDELETESELF)
w.deleteWatch(watch)
w.startRead(watch)
continue
case syscall.ERROR_OPERATION_ABORTED:
// CancelIo was called on this handle
continue
default:
w.Errors <- os.NewSyscallError("GetQueuedCompletionPort", e)
continue
case nil:
}
var offset uint32
for {
if n == 0 {
w.Events <- newEvent("", sysFSQOVERFLOW)
w.Errors <- errors.New("short read in readEvents()")
break
}
// Point "raw" to the event in the buffer
raw := (*syscall.FileNotifyInformation)(unsafe.Pointer(&watch.buf[offset]))
// TODO: Consider using unsafe.Slice that is available from go1.17
// https://stackoverflow.com/questions/51187973/how-to-create-an-array-or-a-slice-from-an-array-unsafe-pointer-in-golang
// instead of using a fixed syscall.MAX_PATH buf, we create a buf that is the size of the path name
size := int(raw.FileNameLength / 2)
var buf []uint16
sh := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
sh.Data = uintptr(unsafe.Pointer(&raw.FileName))
sh.Len = size
sh.Cap = size
name := syscall.UTF16ToString(buf)
fullname := filepath.Join(watch.path, name)
var mask uint64
switch raw.Action {
case syscall.FILE_ACTION_REMOVED:
mask = sysFSDELETESELF
case syscall.FILE_ACTION_MODIFIED:
mask = sysFSMODIFY
case syscall.FILE_ACTION_RENAMED_OLD_NAME:
watch.rename = name
case syscall.FILE_ACTION_RENAMED_NEW_NAME:
if watch.names[watch.rename] != 0 {
watch.names[name] |= watch.names[watch.rename]
delete(watch.names, watch.rename)
mask = sysFSMOVESELF
}
}
sendNameEvent := func() {
if w.sendEvent(fullname, watch.names[name]&mask) {
if watch.names[name]&sysFSONESHOT != 0 {
delete(watch.names, name)
}
}
}
if raw.Action != syscall.FILE_ACTION_RENAMED_NEW_NAME {
sendNameEvent()
}
if raw.Action == syscall.FILE_ACTION_REMOVED {
w.sendEvent(fullname, watch.names[name]&sysFSIGNORED)
delete(watch.names, name)
}
if w.sendEvent(fullname, watch.mask&toFSnotifyFlags(raw.Action)) {
if watch.mask&sysFSONESHOT != 0 {
watch.mask = 0
}
}
if raw.Action == syscall.FILE_ACTION_RENAMED_NEW_NAME {
fullname = filepath.Join(watch.path, watch.rename)
sendNameEvent()
}
// Move to the next event in the buffer
if raw.NextEntryOffset == 0 {
break
}
offset += raw.NextEntryOffset
// Error!
if offset >= n {
w.Errors <- errors.New("Windows system assumed buffer larger than it is, events have likely been missed.")
break
}
}
if err := w.startRead(watch); err != nil {
w.Errors <- err
}
}
}
func (w *Watcher) sendEvent(name string, mask uint64) bool {
if mask == 0 {
return false
}
event := newEvent(name, uint32(mask))
select {
case ch := <-w.quit:
w.quit <- ch
case w.Events <- event:
}
return true
}
func toWindowsFlags(mask uint64) uint32 {
var m uint32
if mask&sysFSACCESS != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_LAST_ACCESS
}
if mask&sysFSMODIFY != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_LAST_WRITE
}
if mask&sysFSATTRIB != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_ATTRIBUTES
}
if mask&(sysFSMOVE|sysFSCREATE|sysFSDELETE) != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_FILE_NAME | syscall.FILE_NOTIFY_CHANGE_DIR_NAME
}
return m
}
func toFSnotifyFlags(action uint32) uint64 {
switch action {
case syscall.FILE_ACTION_ADDED:
return sysFSCREATE
case syscall.FILE_ACTION_REMOVED:
return sysFSDELETE
case syscall.FILE_ACTION_MODIFIED:
return sysFSMODIFY
case syscall.FILE_ACTION_RENAMED_OLD_NAME:
return sysFSMOVEDFROM
case syscall.FILE_ACTION_RENAMED_NEW_NAME:
return sysFSMOVEDTO
}
return 0
}

7
vendor/github.com/google/pprof/AUTHORS generated vendored Normal file
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@ -0,0 +1,7 @@
# This is the official list of pprof authors for copyright purposes.
# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.
# Names should be added to this file as:
# Name or Organization <email address>
# The email address is not required for organizations.
Google Inc.

16
vendor/github.com/google/pprof/CONTRIBUTORS generated vendored Normal file
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@ -0,0 +1,16 @@
# People who have agreed to one of the CLAs and can contribute patches.
# The AUTHORS file lists the copyright holders; this file
# lists people. For example, Google employees are listed here
# but not in AUTHORS, because Google holds the copyright.
#
# https://developers.google.com/open-source/cla/individual
# https://developers.google.com/open-source/cla/corporate
#
# Names should be added to this file as:
# Name <email address>
Raul Silvera <rsilvera@google.com>
Tipp Moseley <tipp@google.com>
Hyoun Kyu Cho <netforce@google.com>
Martin Spier <spiermar@gmail.com>
Taco de Wolff <tacodewolff@gmail.com>
Andrew Hunter <andrewhhunter@gmail.com>

202
vendor/github.com/google/pprof/LICENSE generated vendored Normal file
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@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

588
vendor/github.com/google/pprof/profile/encode.go generated vendored Normal file
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@ -0,0 +1,588 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package profile
import (
"errors"
"sort"
"strings"
)
func (p *Profile) decoder() []decoder {
return profileDecoder
}
// preEncode populates the unexported fields to be used by encode
// (with suffix X) from the corresponding exported fields. The
// exported fields are cleared up to facilitate testing.
func (p *Profile) preEncode() {
strings := make(map[string]int)
addString(strings, "")
for _, st := range p.SampleType {
st.typeX = addString(strings, st.Type)
st.unitX = addString(strings, st.Unit)
}
for _, s := range p.Sample {
s.labelX = nil
var keys []string
for k := range s.Label {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
vs := s.Label[k]
for _, v := range vs {
s.labelX = append(s.labelX,
label{
keyX: addString(strings, k),
strX: addString(strings, v),
},
)
}
}
var numKeys []string
for k := range s.NumLabel {
numKeys = append(numKeys, k)
}
sort.Strings(numKeys)
for _, k := range numKeys {
keyX := addString(strings, k)
vs := s.NumLabel[k]
units := s.NumUnit[k]
for i, v := range vs {
var unitX int64
if len(units) != 0 {
unitX = addString(strings, units[i])
}
s.labelX = append(s.labelX,
label{
keyX: keyX,
numX: v,
unitX: unitX,
},
)
}
}
s.locationIDX = make([]uint64, len(s.Location))
for i, loc := range s.Location {
s.locationIDX[i] = loc.ID
}
}
for _, m := range p.Mapping {
m.fileX = addString(strings, m.File)
m.buildIDX = addString(strings, m.BuildID)
}
for _, l := range p.Location {
for i, ln := range l.Line {
if ln.Function != nil {
l.Line[i].functionIDX = ln.Function.ID
} else {
l.Line[i].functionIDX = 0
}
}
if l.Mapping != nil {
l.mappingIDX = l.Mapping.ID
} else {
l.mappingIDX = 0
}
}
for _, f := range p.Function {
f.nameX = addString(strings, f.Name)
f.systemNameX = addString(strings, f.SystemName)
f.filenameX = addString(strings, f.Filename)
}
p.dropFramesX = addString(strings, p.DropFrames)
p.keepFramesX = addString(strings, p.KeepFrames)
if pt := p.PeriodType; pt != nil {
pt.typeX = addString(strings, pt.Type)
pt.unitX = addString(strings, pt.Unit)
}
p.commentX = nil
for _, c := range p.Comments {
p.commentX = append(p.commentX, addString(strings, c))
}
p.defaultSampleTypeX = addString(strings, p.DefaultSampleType)
p.stringTable = make([]string, len(strings))
for s, i := range strings {
p.stringTable[i] = s
}
}
func (p *Profile) encode(b *buffer) {
for _, x := range p.SampleType {
encodeMessage(b, 1, x)
}
for _, x := range p.Sample {
encodeMessage(b, 2, x)
}
for _, x := range p.Mapping {
encodeMessage(b, 3, x)
}
for _, x := range p.Location {
encodeMessage(b, 4, x)
}
for _, x := range p.Function {
encodeMessage(b, 5, x)
}
encodeStrings(b, 6, p.stringTable)
encodeInt64Opt(b, 7, p.dropFramesX)
encodeInt64Opt(b, 8, p.keepFramesX)
encodeInt64Opt(b, 9, p.TimeNanos)
encodeInt64Opt(b, 10, p.DurationNanos)
if pt := p.PeriodType; pt != nil && (pt.typeX != 0 || pt.unitX != 0) {
encodeMessage(b, 11, p.PeriodType)
}
encodeInt64Opt(b, 12, p.Period)
encodeInt64s(b, 13, p.commentX)
encodeInt64(b, 14, p.defaultSampleTypeX)
}
var profileDecoder = []decoder{
nil, // 0
// repeated ValueType sample_type = 1
func(b *buffer, m message) error {
x := new(ValueType)
pp := m.(*Profile)
pp.SampleType = append(pp.SampleType, x)
return decodeMessage(b, x)
},
// repeated Sample sample = 2
func(b *buffer, m message) error {
x := new(Sample)
pp := m.(*Profile)
pp.Sample = append(pp.Sample, x)
return decodeMessage(b, x)
},
// repeated Mapping mapping = 3
func(b *buffer, m message) error {
x := new(Mapping)
pp := m.(*Profile)
pp.Mapping = append(pp.Mapping, x)
return decodeMessage(b, x)
},
// repeated Location location = 4
func(b *buffer, m message) error {
x := new(Location)
x.Line = b.tmpLines[:0] // Use shared space temporarily
pp := m.(*Profile)
pp.Location = append(pp.Location, x)
err := decodeMessage(b, x)
b.tmpLines = x.Line[:0]
// Copy to shrink size and detach from shared space.
x.Line = append([]Line(nil), x.Line...)
return err
},
// repeated Function function = 5
func(b *buffer, m message) error {
x := new(Function)
pp := m.(*Profile)
pp.Function = append(pp.Function, x)
return decodeMessage(b, x)
},
// repeated string string_table = 6
func(b *buffer, m message) error {
err := decodeStrings(b, &m.(*Profile).stringTable)
if err != nil {
return err
}
if m.(*Profile).stringTable[0] != "" {
return errors.New("string_table[0] must be ''")
}
return nil
},
// int64 drop_frames = 7
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).dropFramesX) },
// int64 keep_frames = 8
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).keepFramesX) },
// int64 time_nanos = 9
func(b *buffer, m message) error {
if m.(*Profile).TimeNanos != 0 {
return errConcatProfile
}
return decodeInt64(b, &m.(*Profile).TimeNanos)
},
// int64 duration_nanos = 10
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).DurationNanos) },
// ValueType period_type = 11
func(b *buffer, m message) error {
x := new(ValueType)
pp := m.(*Profile)
pp.PeriodType = x
return decodeMessage(b, x)
},
// int64 period = 12
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).Period) },
// repeated int64 comment = 13
func(b *buffer, m message) error { return decodeInt64s(b, &m.(*Profile).commentX) },
// int64 defaultSampleType = 14
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).defaultSampleTypeX) },
}
// postDecode takes the unexported fields populated by decode (with
// suffix X) and populates the corresponding exported fields.
// The unexported fields are cleared up to facilitate testing.
func (p *Profile) postDecode() error {
var err error
mappings := make(map[uint64]*Mapping, len(p.Mapping))
mappingIds := make([]*Mapping, len(p.Mapping)+1)
for _, m := range p.Mapping {
m.File, err = getString(p.stringTable, &m.fileX, err)
m.BuildID, err = getString(p.stringTable, &m.buildIDX, err)
if m.ID < uint64(len(mappingIds)) {
mappingIds[m.ID] = m
} else {
mappings[m.ID] = m
}
// If this a main linux kernel mapping with a relocation symbol suffix
// ("[kernel.kallsyms]_text"), extract said suffix.
// It is fairly hacky to handle at this level, but the alternatives appear even worse.
if strings.HasPrefix(m.File, "[kernel.kallsyms]") {
m.KernelRelocationSymbol = strings.ReplaceAll(m.File, "[kernel.kallsyms]", "")
}
}
functions := make(map[uint64]*Function, len(p.Function))
functionIds := make([]*Function, len(p.Function)+1)
for _, f := range p.Function {
f.Name, err = getString(p.stringTable, &f.nameX, err)
f.SystemName, err = getString(p.stringTable, &f.systemNameX, err)
f.Filename, err = getString(p.stringTable, &f.filenameX, err)
if f.ID < uint64(len(functionIds)) {
functionIds[f.ID] = f
} else {
functions[f.ID] = f
}
}
locations := make(map[uint64]*Location, len(p.Location))
locationIds := make([]*Location, len(p.Location)+1)
for _, l := range p.Location {
if id := l.mappingIDX; id < uint64(len(mappingIds)) {
l.Mapping = mappingIds[id]
} else {
l.Mapping = mappings[id]
}
l.mappingIDX = 0
for i, ln := range l.Line {
if id := ln.functionIDX; id != 0 {
l.Line[i].functionIDX = 0
if id < uint64(len(functionIds)) {
l.Line[i].Function = functionIds[id]
} else {
l.Line[i].Function = functions[id]
}
}
}
if l.ID < uint64(len(locationIds)) {
locationIds[l.ID] = l
} else {
locations[l.ID] = l
}
}
for _, st := range p.SampleType {
st.Type, err = getString(p.stringTable, &st.typeX, err)
st.Unit, err = getString(p.stringTable, &st.unitX, err)
}
// Pre-allocate space for all locations.
numLocations := 0
for _, s := range p.Sample {
numLocations += len(s.locationIDX)
}
locBuffer := make([]*Location, numLocations)
for _, s := range p.Sample {
if len(s.labelX) > 0 {
labels := make(map[string][]string, len(s.labelX))
numLabels := make(map[string][]int64, len(s.labelX))
numUnits := make(map[string][]string, len(s.labelX))
for _, l := range s.labelX {
var key, value string
key, err = getString(p.stringTable, &l.keyX, err)
if l.strX != 0 {
value, err = getString(p.stringTable, &l.strX, err)
labels[key] = append(labels[key], value)
} else if l.numX != 0 || l.unitX != 0 {
numValues := numLabels[key]
units := numUnits[key]
if l.unitX != 0 {
var unit string
unit, err = getString(p.stringTable, &l.unitX, err)
units = padStringArray(units, len(numValues))
numUnits[key] = append(units, unit)
}
numLabels[key] = append(numLabels[key], l.numX)
}
}
if len(labels) > 0 {
s.Label = labels
}
if len(numLabels) > 0 {
s.NumLabel = numLabels
for key, units := range numUnits {
if len(units) > 0 {
numUnits[key] = padStringArray(units, len(numLabels[key]))
}
}
s.NumUnit = numUnits
}
}
s.Location = locBuffer[:len(s.locationIDX)]
locBuffer = locBuffer[len(s.locationIDX):]
for i, lid := range s.locationIDX {
if lid < uint64(len(locationIds)) {
s.Location[i] = locationIds[lid]
} else {
s.Location[i] = locations[lid]
}
}
s.locationIDX = nil
}
p.DropFrames, err = getString(p.stringTable, &p.dropFramesX, err)
p.KeepFrames, err = getString(p.stringTable, &p.keepFramesX, err)
if pt := p.PeriodType; pt == nil {
p.PeriodType = &ValueType{}
}
if pt := p.PeriodType; pt != nil {
pt.Type, err = getString(p.stringTable, &pt.typeX, err)
pt.Unit, err = getString(p.stringTable, &pt.unitX, err)
}
for _, i := range p.commentX {
var c string
c, err = getString(p.stringTable, &i, err)
p.Comments = append(p.Comments, c)
}
p.commentX = nil
p.DefaultSampleType, err = getString(p.stringTable, &p.defaultSampleTypeX, err)
p.stringTable = nil
return err
}
// padStringArray pads arr with enough empty strings to make arr
// length l when arr's length is less than l.
func padStringArray(arr []string, l int) []string {
if l <= len(arr) {
return arr
}
return append(arr, make([]string, l-len(arr))...)
}
func (p *ValueType) decoder() []decoder {
return valueTypeDecoder
}
func (p *ValueType) encode(b *buffer) {
encodeInt64Opt(b, 1, p.typeX)
encodeInt64Opt(b, 2, p.unitX)
}
var valueTypeDecoder = []decoder{
nil, // 0
// optional int64 type = 1
func(b *buffer, m message) error { return decodeInt64(b, &m.(*ValueType).typeX) },
// optional int64 unit = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*ValueType).unitX) },
}
func (p *Sample) decoder() []decoder {
return sampleDecoder
}
func (p *Sample) encode(b *buffer) {
encodeUint64s(b, 1, p.locationIDX)
encodeInt64s(b, 2, p.Value)
for _, x := range p.labelX {
encodeMessage(b, 3, x)
}
}
var sampleDecoder = []decoder{
nil, // 0
// repeated uint64 location = 1
func(b *buffer, m message) error { return decodeUint64s(b, &m.(*Sample).locationIDX) },
// repeated int64 value = 2
func(b *buffer, m message) error { return decodeInt64s(b, &m.(*Sample).Value) },
// repeated Label label = 3
func(b *buffer, m message) error {
s := m.(*Sample)
n := len(s.labelX)
s.labelX = append(s.labelX, label{})
return decodeMessage(b, &s.labelX[n])
},
}
func (p label) decoder() []decoder {
return labelDecoder
}
func (p label) encode(b *buffer) {
encodeInt64Opt(b, 1, p.keyX)
encodeInt64Opt(b, 2, p.strX)
encodeInt64Opt(b, 3, p.numX)
encodeInt64Opt(b, 4, p.unitX)
}
var labelDecoder = []decoder{
nil, // 0
// optional int64 key = 1
func(b *buffer, m message) error { return decodeInt64(b, &m.(*label).keyX) },
// optional int64 str = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*label).strX) },
// optional int64 num = 3
func(b *buffer, m message) error { return decodeInt64(b, &m.(*label).numX) },
// optional int64 num = 4
func(b *buffer, m message) error { return decodeInt64(b, &m.(*label).unitX) },
}
func (p *Mapping) decoder() []decoder {
return mappingDecoder
}
func (p *Mapping) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeUint64Opt(b, 2, p.Start)
encodeUint64Opt(b, 3, p.Limit)
encodeUint64Opt(b, 4, p.Offset)
encodeInt64Opt(b, 5, p.fileX)
encodeInt64Opt(b, 6, p.buildIDX)
encodeBoolOpt(b, 7, p.HasFunctions)
encodeBoolOpt(b, 8, p.HasFilenames)
encodeBoolOpt(b, 9, p.HasLineNumbers)
encodeBoolOpt(b, 10, p.HasInlineFrames)
}
var mappingDecoder = []decoder{
nil, // 0
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).ID) }, // optional uint64 id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Start) }, // optional uint64 memory_offset = 2
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Limit) }, // optional uint64 memory_limit = 3
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Offset) }, // optional uint64 file_offset = 4
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Mapping).fileX) }, // optional int64 filename = 5
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Mapping).buildIDX) }, // optional int64 build_id = 6
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasFunctions) }, // optional bool has_functions = 7
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasFilenames) }, // optional bool has_filenames = 8
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasLineNumbers) }, // optional bool has_line_numbers = 9
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasInlineFrames) }, // optional bool has_inline_frames = 10
}
func (p *Location) decoder() []decoder {
return locationDecoder
}
func (p *Location) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeUint64Opt(b, 2, p.mappingIDX)
encodeUint64Opt(b, 3, p.Address)
for i := range p.Line {
encodeMessage(b, 4, &p.Line[i])
}
encodeBoolOpt(b, 5, p.IsFolded)
}
var locationDecoder = []decoder{
nil, // 0
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).ID) }, // optional uint64 id = 1;
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).mappingIDX) }, // optional uint64 mapping_id = 2;
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).Address) }, // optional uint64 address = 3;
func(b *buffer, m message) error { // repeated Line line = 4
pp := m.(*Location)
n := len(pp.Line)
pp.Line = append(pp.Line, Line{})
return decodeMessage(b, &pp.Line[n])
},
func(b *buffer, m message) error { return decodeBool(b, &m.(*Location).IsFolded) }, // optional bool is_folded = 5;
}
func (p *Line) decoder() []decoder {
return lineDecoder
}
func (p *Line) encode(b *buffer) {
encodeUint64Opt(b, 1, p.functionIDX)
encodeInt64Opt(b, 2, p.Line)
}
var lineDecoder = []decoder{
nil, // 0
// optional uint64 function_id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Line).functionIDX) },
// optional int64 line = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Line) },
}
func (p *Function) decoder() []decoder {
return functionDecoder
}
func (p *Function) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeInt64Opt(b, 2, p.nameX)
encodeInt64Opt(b, 3, p.systemNameX)
encodeInt64Opt(b, 4, p.filenameX)
encodeInt64Opt(b, 5, p.StartLine)
}
var functionDecoder = []decoder{
nil, // 0
// optional uint64 id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Function).ID) },
// optional int64 function_name = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).nameX) },
// optional int64 function_system_name = 3
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).systemNameX) },
// repeated int64 filename = 4
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).filenameX) },
// optional int64 start_line = 5
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).StartLine) },
}
func addString(strings map[string]int, s string) int64 {
i, ok := strings[s]
if !ok {
i = len(strings)
strings[s] = i
}
return int64(i)
}
func getString(strings []string, strng *int64, err error) (string, error) {
if err != nil {
return "", err
}
s := int(*strng)
if s < 0 || s >= len(strings) {
return "", errMalformed
}
*strng = 0
return strings[s], nil
}

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vendor/github.com/google/pprof/profile/filter.go generated vendored Normal file
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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package profile
// Implements methods to filter samples from profiles.
import "regexp"
// FilterSamplesByName filters the samples in a profile and only keeps
// samples where at least one frame matches focus but none match ignore.
// Returns true is the corresponding regexp matched at least one sample.
func (p *Profile) FilterSamplesByName(focus, ignore, hide, show *regexp.Regexp) (fm, im, hm, hnm bool) {
if focus == nil && ignore == nil && hide == nil && show == nil {
fm = true // Missing focus implies a match
return
}
focusOrIgnore := make(map[uint64]bool)
hidden := make(map[uint64]bool)
for _, l := range p.Location {
if ignore != nil && l.matchesName(ignore) {
im = true
focusOrIgnore[l.ID] = false
} else if focus == nil || l.matchesName(focus) {
fm = true
focusOrIgnore[l.ID] = true
}
if hide != nil && l.matchesName(hide) {
hm = true
l.Line = l.unmatchedLines(hide)
if len(l.Line) == 0 {
hidden[l.ID] = true
}
}
if show != nil {
l.Line = l.matchedLines(show)
if len(l.Line) == 0 {
hidden[l.ID] = true
} else {
hnm = true
}
}
}
s := make([]*Sample, 0, len(p.Sample))
for _, sample := range p.Sample {
if focusedAndNotIgnored(sample.Location, focusOrIgnore) {
if len(hidden) > 0 {
var locs []*Location
for _, loc := range sample.Location {
if !hidden[loc.ID] {
locs = append(locs, loc)
}
}
if len(locs) == 0 {
// Remove sample with no locations (by not adding it to s).
continue
}
sample.Location = locs
}
s = append(s, sample)
}
}
p.Sample = s
return
}
// ShowFrom drops all stack frames above the highest matching frame and returns
// whether a match was found. If showFrom is nil it returns false and does not
// modify the profile.
//
// Example: consider a sample with frames [A, B, C, B], where A is the root.
// ShowFrom(nil) returns false and has frames [A, B, C, B].
// ShowFrom(A) returns true and has frames [A, B, C, B].
// ShowFrom(B) returns true and has frames [B, C, B].
// ShowFrom(C) returns true and has frames [C, B].
// ShowFrom(D) returns false and drops the sample because no frames remain.
func (p *Profile) ShowFrom(showFrom *regexp.Regexp) (matched bool) {
if showFrom == nil {
return false
}
// showFromLocs stores location IDs that matched ShowFrom.
showFromLocs := make(map[uint64]bool)
// Apply to locations.
for _, loc := range p.Location {
if filterShowFromLocation(loc, showFrom) {
showFromLocs[loc.ID] = true
matched = true
}
}
// For all samples, strip locations after the highest matching one.
s := make([]*Sample, 0, len(p.Sample))
for _, sample := range p.Sample {
for i := len(sample.Location) - 1; i >= 0; i-- {
if showFromLocs[sample.Location[i].ID] {
sample.Location = sample.Location[:i+1]
s = append(s, sample)
break
}
}
}
p.Sample = s
return matched
}
// filterShowFromLocation tests a showFrom regex against a location, removes
// lines after the last match and returns whether a match was found. If the
// mapping is matched, then all lines are kept.
func filterShowFromLocation(loc *Location, showFrom *regexp.Regexp) bool {
if m := loc.Mapping; m != nil && showFrom.MatchString(m.File) {
return true
}
if i := loc.lastMatchedLineIndex(showFrom); i >= 0 {
loc.Line = loc.Line[:i+1]
return true
}
return false
}
// lastMatchedLineIndex returns the index of the last line that matches a regex,
// or -1 if no match is found.
func (loc *Location) lastMatchedLineIndex(re *regexp.Regexp) int {
for i := len(loc.Line) - 1; i >= 0; i-- {
if fn := loc.Line[i].Function; fn != nil {
if re.MatchString(fn.Name) || re.MatchString(fn.Filename) {
return i
}
}
}
return -1
}
// FilterTagsByName filters the tags in a profile and only keeps
// tags that match show and not hide.
func (p *Profile) FilterTagsByName(show, hide *regexp.Regexp) (sm, hm bool) {
matchRemove := func(name string) bool {
matchShow := show == nil || show.MatchString(name)
matchHide := hide != nil && hide.MatchString(name)
if matchShow {
sm = true
}
if matchHide {
hm = true
}
return !matchShow || matchHide
}
for _, s := range p.Sample {
for lab := range s.Label {
if matchRemove(lab) {
delete(s.Label, lab)
}
}
for lab := range s.NumLabel {
if matchRemove(lab) {
delete(s.NumLabel, lab)
}
}
}
return
}
// matchesName returns whether the location matches the regular
// expression. It checks any available function names, file names, and
// mapping object filename.
func (loc *Location) matchesName(re *regexp.Regexp) bool {
for _, ln := range loc.Line {
if fn := ln.Function; fn != nil {
if re.MatchString(fn.Name) || re.MatchString(fn.Filename) {
return true
}
}
}
if m := loc.Mapping; m != nil && re.MatchString(m.File) {
return true
}
return false
}
// unmatchedLines returns the lines in the location that do not match
// the regular expression.
func (loc *Location) unmatchedLines(re *regexp.Regexp) []Line {
if m := loc.Mapping; m != nil && re.MatchString(m.File) {
return nil
}
var lines []Line
for _, ln := range loc.Line {
if fn := ln.Function; fn != nil {
if re.MatchString(fn.Name) || re.MatchString(fn.Filename) {
continue
}
}
lines = append(lines, ln)
}
return lines
}
// matchedLines returns the lines in the location that match
// the regular expression.
func (loc *Location) matchedLines(re *regexp.Regexp) []Line {
if m := loc.Mapping; m != nil && re.MatchString(m.File) {
return loc.Line
}
var lines []Line
for _, ln := range loc.Line {
if fn := ln.Function; fn != nil {
if !re.MatchString(fn.Name) && !re.MatchString(fn.Filename) {
continue
}
}
lines = append(lines, ln)
}
return lines
}
// focusedAndNotIgnored looks up a slice of ids against a map of
// focused/ignored locations. The map only contains locations that are
// explicitly focused or ignored. Returns whether there is at least
// one focused location but no ignored locations.
func focusedAndNotIgnored(locs []*Location, m map[uint64]bool) bool {
var f bool
for _, loc := range locs {
if focus, focusOrIgnore := m[loc.ID]; focusOrIgnore {
if focus {
// Found focused location. Must keep searching in case there
// is an ignored one as well.
f = true
} else {
// Found ignored location. Can return false right away.
return false
}
}
}
return f
}
// TagMatch selects tags for filtering
type TagMatch func(s *Sample) bool
// FilterSamplesByTag removes all samples from the profile, except
// those that match focus and do not match the ignore regular
// expression.
func (p *Profile) FilterSamplesByTag(focus, ignore TagMatch) (fm, im bool) {
samples := make([]*Sample, 0, len(p.Sample))
for _, s := range p.Sample {
focused, ignored := true, false
if focus != nil {
focused = focus(s)
}
if ignore != nil {
ignored = ignore(s)
}
fm = fm || focused
im = im || ignored
if focused && !ignored {
samples = append(samples, s)
}
}
p.Sample = samples
return
}

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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package profile
import (
"fmt"
"strconv"
"strings"
)
// SampleIndexByName returns the appropriate index for a value of sample index.
// If numeric, it returns the number, otherwise it looks up the text in the
// profile sample types.
func (p *Profile) SampleIndexByName(sampleIndex string) (int, error) {
if sampleIndex == "" {
if dst := p.DefaultSampleType; dst != "" {
for i, t := range sampleTypes(p) {
if t == dst {
return i, nil
}
}
}
// By default select the last sample value
return len(p.SampleType) - 1, nil
}
if i, err := strconv.Atoi(sampleIndex); err == nil {
if i < 0 || i >= len(p.SampleType) {
return 0, fmt.Errorf("sample_index %s is outside the range [0..%d]", sampleIndex, len(p.SampleType)-1)
}
return i, nil
}
// Remove the inuse_ prefix to support legacy pprof options
// "inuse_space" and "inuse_objects" for profiles containing types
// "space" and "objects".
noInuse := strings.TrimPrefix(sampleIndex, "inuse_")
for i, t := range p.SampleType {
if t.Type == sampleIndex || t.Type == noInuse {
return i, nil
}
}
return 0, fmt.Errorf("sample_index %q must be one of: %v", sampleIndex, sampleTypes(p))
}
func sampleTypes(p *Profile) []string {
types := make([]string, len(p.SampleType))
for i, t := range p.SampleType {
types[i] = t.Type
}
return types
}

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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file implements parsers to convert java legacy profiles into
// the profile.proto format.
package profile
import (
"bytes"
"fmt"
"io"
"path/filepath"
"regexp"
"strconv"
"strings"
)
var (
attributeRx = regexp.MustCompile(`([\w ]+)=([\w ]+)`)
javaSampleRx = regexp.MustCompile(` *(\d+) +(\d+) +@ +([ x0-9a-f]*)`)
javaLocationRx = regexp.MustCompile(`^\s*0x([[:xdigit:]]+)\s+(.*)\s*$`)
javaLocationFileLineRx = regexp.MustCompile(`^(.*)\s+\((.+):(-?[[:digit:]]+)\)$`)
javaLocationPathRx = regexp.MustCompile(`^(.*)\s+\((.*)\)$`)
)
// javaCPUProfile returns a new Profile from profilez data.
// b is the profile bytes after the header, period is the profiling
// period, and parse is a function to parse 8-byte chunks from the
// profile in its native endianness.
func javaCPUProfile(b []byte, period int64, parse func(b []byte) (uint64, []byte)) (*Profile, error) {
p := &Profile{
Period: period * 1000,
PeriodType: &ValueType{Type: "cpu", Unit: "nanoseconds"},
SampleType: []*ValueType{{Type: "samples", Unit: "count"}, {Type: "cpu", Unit: "nanoseconds"}},
}
var err error
var locs map[uint64]*Location
if b, locs, err = parseCPUSamples(b, parse, false, p); err != nil {
return nil, err
}
if err = parseJavaLocations(b, locs, p); err != nil {
return nil, err
}
// Strip out addresses for better merge.
if err = p.Aggregate(true, true, true, true, false); err != nil {
return nil, err
}
return p, nil
}
// parseJavaProfile returns a new profile from heapz or contentionz
// data. b is the profile bytes after the header.
func parseJavaProfile(b []byte) (*Profile, error) {
h := bytes.SplitAfterN(b, []byte("\n"), 2)
if len(h) < 2 {
return nil, errUnrecognized
}
p := &Profile{
PeriodType: &ValueType{},
}
header := string(bytes.TrimSpace(h[0]))
var err error
var pType string
switch header {
case "--- heapz 1 ---":
pType = "heap"
case "--- contentionz 1 ---":
pType = "contention"
default:
return nil, errUnrecognized
}
if b, err = parseJavaHeader(pType, h[1], p); err != nil {
return nil, err
}
var locs map[uint64]*Location
if b, locs, err = parseJavaSamples(pType, b, p); err != nil {
return nil, err
}
if err = parseJavaLocations(b, locs, p); err != nil {
return nil, err
}
// Strip out addresses for better merge.
if err = p.Aggregate(true, true, true, true, false); err != nil {
return nil, err
}
return p, nil
}
// parseJavaHeader parses the attribute section on a java profile and
// populates a profile. Returns the remainder of the buffer after all
// attributes.
func parseJavaHeader(pType string, b []byte, p *Profile) ([]byte, error) {
nextNewLine := bytes.IndexByte(b, byte('\n'))
for nextNewLine != -1 {
line := string(bytes.TrimSpace(b[0:nextNewLine]))
if line != "" {
h := attributeRx.FindStringSubmatch(line)
if h == nil {
// Not a valid attribute, exit.
return b, nil
}
attribute, value := strings.TrimSpace(h[1]), strings.TrimSpace(h[2])
var err error
switch pType + "/" + attribute {
case "heap/format", "cpu/format", "contention/format":
if value != "java" {
return nil, errUnrecognized
}
case "heap/resolution":
p.SampleType = []*ValueType{
{Type: "inuse_objects", Unit: "count"},
{Type: "inuse_space", Unit: value},
}
case "contention/resolution":
p.SampleType = []*ValueType{
{Type: "contentions", Unit: "count"},
{Type: "delay", Unit: value},
}
case "contention/sampling period":
p.PeriodType = &ValueType{
Type: "contentions", Unit: "count",
}
if p.Period, err = strconv.ParseInt(value, 0, 64); err != nil {
return nil, fmt.Errorf("failed to parse attribute %s: %v", line, err)
}
case "contention/ms since reset":
millis, err := strconv.ParseInt(value, 0, 64)
if err != nil {
return nil, fmt.Errorf("failed to parse attribute %s: %v", line, err)
}
p.DurationNanos = millis * 1000 * 1000
default:
return nil, errUnrecognized
}
}
// Grab next line.
b = b[nextNewLine+1:]
nextNewLine = bytes.IndexByte(b, byte('\n'))
}
return b, nil
}
// parseJavaSamples parses the samples from a java profile and
// populates the Samples in a profile. Returns the remainder of the
// buffer after the samples.
func parseJavaSamples(pType string, b []byte, p *Profile) ([]byte, map[uint64]*Location, error) {
nextNewLine := bytes.IndexByte(b, byte('\n'))
locs := make(map[uint64]*Location)
for nextNewLine != -1 {
line := string(bytes.TrimSpace(b[0:nextNewLine]))
if line != "" {
sample := javaSampleRx.FindStringSubmatch(line)
if sample == nil {
// Not a valid sample, exit.
return b, locs, nil
}
// Java profiles have data/fields inverted compared to other
// profile types.
var err error
value1, value2, value3 := sample[2], sample[1], sample[3]
addrs, err := parseHexAddresses(value3)
if err != nil {
return nil, nil, fmt.Errorf("malformed sample: %s: %v", line, err)
}
var sloc []*Location
for _, addr := range addrs {
loc := locs[addr]
if locs[addr] == nil {
loc = &Location{
Address: addr,
}
p.Location = append(p.Location, loc)
locs[addr] = loc
}
sloc = append(sloc, loc)
}
s := &Sample{
Value: make([]int64, 2),
Location: sloc,
}
if s.Value[0], err = strconv.ParseInt(value1, 0, 64); err != nil {
return nil, nil, fmt.Errorf("parsing sample %s: %v", line, err)
}
if s.Value[1], err = strconv.ParseInt(value2, 0, 64); err != nil {
return nil, nil, fmt.Errorf("parsing sample %s: %v", line, err)
}
switch pType {
case "heap":
const javaHeapzSamplingRate = 524288 // 512K
if s.Value[0] == 0 {
return nil, nil, fmt.Errorf("parsing sample %s: second value must be non-zero", line)
}
s.NumLabel = map[string][]int64{"bytes": {s.Value[1] / s.Value[0]}}
s.Value[0], s.Value[1] = scaleHeapSample(s.Value[0], s.Value[1], javaHeapzSamplingRate)
case "contention":
if period := p.Period; period != 0 {
s.Value[0] = s.Value[0] * p.Period
s.Value[1] = s.Value[1] * p.Period
}
}
p.Sample = append(p.Sample, s)
}
// Grab next line.
b = b[nextNewLine+1:]
nextNewLine = bytes.IndexByte(b, byte('\n'))
}
return b, locs, nil
}
// parseJavaLocations parses the location information in a java
// profile and populates the Locations in a profile. It uses the
// location addresses from the profile as both the ID of each
// location.
func parseJavaLocations(b []byte, locs map[uint64]*Location, p *Profile) error {
r := bytes.NewBuffer(b)
fns := make(map[string]*Function)
for {
line, err := r.ReadString('\n')
if err != nil {
if err != io.EOF {
return err
}
if line == "" {
break
}
}
if line = strings.TrimSpace(line); line == "" {
continue
}
jloc := javaLocationRx.FindStringSubmatch(line)
if len(jloc) != 3 {
continue
}
addr, err := strconv.ParseUint(jloc[1], 16, 64)
if err != nil {
return fmt.Errorf("parsing sample %s: %v", line, err)
}
loc := locs[addr]
if loc == nil {
// Unused/unseen
continue
}
var lineFunc, lineFile string
var lineNo int64
if fileLine := javaLocationFileLineRx.FindStringSubmatch(jloc[2]); len(fileLine) == 4 {
// Found a line of the form: "function (file:line)"
lineFunc, lineFile = fileLine[1], fileLine[2]
if n, err := strconv.ParseInt(fileLine[3], 10, 64); err == nil && n > 0 {
lineNo = n
}
} else if filePath := javaLocationPathRx.FindStringSubmatch(jloc[2]); len(filePath) == 3 {
// If there's not a file:line, it's a shared library path.
// The path isn't interesting, so just give the .so.
lineFunc, lineFile = filePath[1], filepath.Base(filePath[2])
} else if strings.Contains(jloc[2], "generated stub/JIT") {
lineFunc = "STUB"
} else {
// Treat whole line as the function name. This is used by the
// java agent for internal states such as "GC" or "VM".
lineFunc = jloc[2]
}
fn := fns[lineFunc]
if fn == nil {
fn = &Function{
Name: lineFunc,
SystemName: lineFunc,
Filename: lineFile,
}
fns[lineFunc] = fn
p.Function = append(p.Function, fn)
}
loc.Line = []Line{
{
Function: fn,
Line: lineNo,
},
}
loc.Address = 0
}
p.remapLocationIDs()
p.remapFunctionIDs()
p.remapMappingIDs()
return nil
}

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vendor/github.com/google/pprof/profile/legacy_profile.go generated vendored Normal file

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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package profile
import (
"encoding/binary"
"fmt"
"sort"
"strconv"
"strings"
)
// Compact performs garbage collection on a profile to remove any
// unreferenced fields. This is useful to reduce the size of a profile
// after samples or locations have been removed.
func (p *Profile) Compact() *Profile {
p, _ = Merge([]*Profile{p})
return p
}
// Merge merges all the profiles in profs into a single Profile.
// Returns a new profile independent of the input profiles. The merged
// profile is compacted to eliminate unused samples, locations,
// functions and mappings. Profiles must have identical profile sample
// and period types or the merge will fail. profile.Period of the
// resulting profile will be the maximum of all profiles, and
// profile.TimeNanos will be the earliest nonzero one. Merges are
// associative with the caveat of the first profile having some
// specialization in how headers are combined. There may be other
// subtleties now or in the future regarding associativity.
func Merge(srcs []*Profile) (*Profile, error) {
if len(srcs) == 0 {
return nil, fmt.Errorf("no profiles to merge")
}
p, err := combineHeaders(srcs)
if err != nil {
return nil, err
}
pm := &profileMerger{
p: p,
samples: make(map[sampleKey]*Sample, len(srcs[0].Sample)),
locations: make(map[locationKey]*Location, len(srcs[0].Location)),
functions: make(map[functionKey]*Function, len(srcs[0].Function)),
mappings: make(map[mappingKey]*Mapping, len(srcs[0].Mapping)),
}
for _, src := range srcs {
// Clear the profile-specific hash tables
pm.locationsByID = makeLocationIDMap(len(src.Location))
pm.functionsByID = make(map[uint64]*Function, len(src.Function))
pm.mappingsByID = make(map[uint64]mapInfo, len(src.Mapping))
if len(pm.mappings) == 0 && len(src.Mapping) > 0 {
// The Mapping list has the property that the first mapping
// represents the main binary. Take the first Mapping we see,
// otherwise the operations below will add mappings in an
// arbitrary order.
pm.mapMapping(src.Mapping[0])
}
for _, s := range src.Sample {
if !isZeroSample(s) {
pm.mapSample(s)
}
}
}
for _, s := range p.Sample {
if isZeroSample(s) {
// If there are any zero samples, re-merge the profile to GC
// them.
return Merge([]*Profile{p})
}
}
return p, nil
}
// Normalize normalizes the source profile by multiplying each value in profile by the
// ratio of the sum of the base profile's values of that sample type to the sum of the
// source profile's value of that sample type.
func (p *Profile) Normalize(pb *Profile) error {
if err := p.compatible(pb); err != nil {
return err
}
baseVals := make([]int64, len(p.SampleType))
for _, s := range pb.Sample {
for i, v := range s.Value {
baseVals[i] += v
}
}
srcVals := make([]int64, len(p.SampleType))
for _, s := range p.Sample {
for i, v := range s.Value {
srcVals[i] += v
}
}
normScale := make([]float64, len(baseVals))
for i := range baseVals {
if srcVals[i] == 0 {
normScale[i] = 0.0
} else {
normScale[i] = float64(baseVals[i]) / float64(srcVals[i])
}
}
p.ScaleN(normScale)
return nil
}
func isZeroSample(s *Sample) bool {
for _, v := range s.Value {
if v != 0 {
return false
}
}
return true
}
type profileMerger struct {
p *Profile
// Memoization tables within a profile.
locationsByID locationIDMap
functionsByID map[uint64]*Function
mappingsByID map[uint64]mapInfo
// Memoization tables for profile entities.
samples map[sampleKey]*Sample
locations map[locationKey]*Location
functions map[functionKey]*Function
mappings map[mappingKey]*Mapping
}
type mapInfo struct {
m *Mapping
offset int64
}
func (pm *profileMerger) mapSample(src *Sample) *Sample {
// Check memoization table
k := pm.sampleKey(src)
if ss, ok := pm.samples[k]; ok {
for i, v := range src.Value {
ss.Value[i] += v
}
return ss
}
// Make new sample.
s := &Sample{
Location: make([]*Location, len(src.Location)),
Value: make([]int64, len(src.Value)),
Label: make(map[string][]string, len(src.Label)),
NumLabel: make(map[string][]int64, len(src.NumLabel)),
NumUnit: make(map[string][]string, len(src.NumLabel)),
}
for i, l := range src.Location {
s.Location[i] = pm.mapLocation(l)
}
for k, v := range src.Label {
vv := make([]string, len(v))
copy(vv, v)
s.Label[k] = vv
}
for k, v := range src.NumLabel {
u := src.NumUnit[k]
vv := make([]int64, len(v))
uu := make([]string, len(u))
copy(vv, v)
copy(uu, u)
s.NumLabel[k] = vv
s.NumUnit[k] = uu
}
copy(s.Value, src.Value)
pm.samples[k] = s
pm.p.Sample = append(pm.p.Sample, s)
return s
}
func (pm *profileMerger) sampleKey(sample *Sample) sampleKey {
// Accumulate contents into a string.
var buf strings.Builder
buf.Grow(64) // Heuristic to avoid extra allocs
// encode a number
putNumber := func(v uint64) {
var num [binary.MaxVarintLen64]byte
n := binary.PutUvarint(num[:], v)
buf.Write(num[:n])
}
// encode a string prefixed with its length.
putDelimitedString := func(s string) {
putNumber(uint64(len(s)))
buf.WriteString(s)
}
for _, l := range sample.Location {
// Get the location in the merged profile, which may have a different ID.
if loc := pm.mapLocation(l); loc != nil {
putNumber(loc.ID)
}
}
putNumber(0) // Delimiter
for _, l := range sortedKeys1(sample.Label) {
putDelimitedString(l)
values := sample.Label[l]
putNumber(uint64(len(values)))
for _, v := range values {
putDelimitedString(v)
}
}
for _, l := range sortedKeys2(sample.NumLabel) {
putDelimitedString(l)
values := sample.NumLabel[l]
putNumber(uint64(len(values)))
for _, v := range values {
putNumber(uint64(v))
}
units := sample.NumUnit[l]
putNumber(uint64(len(units)))
for _, v := range units {
putDelimitedString(v)
}
}
return sampleKey(buf.String())
}
type sampleKey string
// sortedKeys1 returns the sorted keys found in a string->[]string map.
//
// Note: this is currently non-generic since github pprof runs golint,
// which does not support generics. When that issue is fixed, it can
// be merged with sortedKeys2 and made into a generic function.
func sortedKeys1(m map[string][]string) []string {
if len(m) == 0 {
return nil
}
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
// sortedKeys2 returns the sorted keys found in a string->[]int64 map.
//
// Note: this is currently non-generic since github pprof runs golint,
// which does not support generics. When that issue is fixed, it can
// be merged with sortedKeys1 and made into a generic function.
func sortedKeys2(m map[string][]int64) []string {
if len(m) == 0 {
return nil
}
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
func (pm *profileMerger) mapLocation(src *Location) *Location {
if src == nil {
return nil
}
if l := pm.locationsByID.get(src.ID); l != nil {
return l
}
mi := pm.mapMapping(src.Mapping)
l := &Location{
ID: uint64(len(pm.p.Location) + 1),
Mapping: mi.m,
Address: uint64(int64(src.Address) + mi.offset),
Line: make([]Line, len(src.Line)),
IsFolded: src.IsFolded,
}
for i, ln := range src.Line {
l.Line[i] = pm.mapLine(ln)
}
// Check memoization table. Must be done on the remapped location to
// account for the remapped mapping ID.
k := l.key()
if ll, ok := pm.locations[k]; ok {
pm.locationsByID.set(src.ID, ll)
return ll
}
pm.locationsByID.set(src.ID, l)
pm.locations[k] = l
pm.p.Location = append(pm.p.Location, l)
return l
}
// key generates locationKey to be used as a key for maps.
func (l *Location) key() locationKey {
key := locationKey{
addr: l.Address,
isFolded: l.IsFolded,
}
if l.Mapping != nil {
// Normalizes address to handle address space randomization.
key.addr -= l.Mapping.Start
key.mappingID = l.Mapping.ID
}
lines := make([]string, len(l.Line)*2)
for i, line := range l.Line {
if line.Function != nil {
lines[i*2] = strconv.FormatUint(line.Function.ID, 16)
}
lines[i*2+1] = strconv.FormatInt(line.Line, 16)
}
key.lines = strings.Join(lines, "|")
return key
}
type locationKey struct {
addr, mappingID uint64
lines string
isFolded bool
}
func (pm *profileMerger) mapMapping(src *Mapping) mapInfo {
if src == nil {
return mapInfo{}
}
if mi, ok := pm.mappingsByID[src.ID]; ok {
return mi
}
// Check memoization tables.
mk := src.key()
if m, ok := pm.mappings[mk]; ok {
mi := mapInfo{m, int64(m.Start) - int64(src.Start)}
pm.mappingsByID[src.ID] = mi
return mi
}
m := &Mapping{
ID: uint64(len(pm.p.Mapping) + 1),
Start: src.Start,
Limit: src.Limit,
Offset: src.Offset,
File: src.File,
KernelRelocationSymbol: src.KernelRelocationSymbol,
BuildID: src.BuildID,
HasFunctions: src.HasFunctions,
HasFilenames: src.HasFilenames,
HasLineNumbers: src.HasLineNumbers,
HasInlineFrames: src.HasInlineFrames,
}
pm.p.Mapping = append(pm.p.Mapping, m)
// Update memoization tables.
pm.mappings[mk] = m
mi := mapInfo{m, 0}
pm.mappingsByID[src.ID] = mi
return mi
}
// key generates encoded strings of Mapping to be used as a key for
// maps.
func (m *Mapping) key() mappingKey {
// Normalize addresses to handle address space randomization.
// Round up to next 4K boundary to avoid minor discrepancies.
const mapsizeRounding = 0x1000
size := m.Limit - m.Start
size = size + mapsizeRounding - 1
size = size - (size % mapsizeRounding)
key := mappingKey{
size: size,
offset: m.Offset,
}
switch {
case m.BuildID != "":
key.buildIDOrFile = m.BuildID
case m.File != "":
key.buildIDOrFile = m.File
default:
// A mapping containing neither build ID nor file name is a fake mapping. A
// key with empty buildIDOrFile is used for fake mappings so that they are
// treated as the same mapping during merging.
}
return key
}
type mappingKey struct {
size, offset uint64
buildIDOrFile string
}
func (pm *profileMerger) mapLine(src Line) Line {
ln := Line{
Function: pm.mapFunction(src.Function),
Line: src.Line,
}
return ln
}
func (pm *profileMerger) mapFunction(src *Function) *Function {
if src == nil {
return nil
}
if f, ok := pm.functionsByID[src.ID]; ok {
return f
}
k := src.key()
if f, ok := pm.functions[k]; ok {
pm.functionsByID[src.ID] = f
return f
}
f := &Function{
ID: uint64(len(pm.p.Function) + 1),
Name: src.Name,
SystemName: src.SystemName,
Filename: src.Filename,
StartLine: src.StartLine,
}
pm.functions[k] = f
pm.functionsByID[src.ID] = f
pm.p.Function = append(pm.p.Function, f)
return f
}
// key generates a struct to be used as a key for maps.
func (f *Function) key() functionKey {
return functionKey{
f.StartLine,
f.Name,
f.SystemName,
f.Filename,
}
}
type functionKey struct {
startLine int64
name, systemName, fileName string
}
// combineHeaders checks that all profiles can be merged and returns
// their combined profile.
func combineHeaders(srcs []*Profile) (*Profile, error) {
for _, s := range srcs[1:] {
if err := srcs[0].compatible(s); err != nil {
return nil, err
}
}
var timeNanos, durationNanos, period int64
var comments []string
seenComments := map[string]bool{}
var defaultSampleType string
for _, s := range srcs {
if timeNanos == 0 || s.TimeNanos < timeNanos {
timeNanos = s.TimeNanos
}
durationNanos += s.DurationNanos
if period == 0 || period < s.Period {
period = s.Period
}
for _, c := range s.Comments {
if seen := seenComments[c]; !seen {
comments = append(comments, c)
seenComments[c] = true
}
}
if defaultSampleType == "" {
defaultSampleType = s.DefaultSampleType
}
}
p := &Profile{
SampleType: make([]*ValueType, len(srcs[0].SampleType)),
DropFrames: srcs[0].DropFrames,
KeepFrames: srcs[0].KeepFrames,
TimeNanos: timeNanos,
DurationNanos: durationNanos,
PeriodType: srcs[0].PeriodType,
Period: period,
Comments: comments,
DefaultSampleType: defaultSampleType,
}
copy(p.SampleType, srcs[0].SampleType)
return p, nil
}
// compatible determines if two profiles can be compared/merged.
// returns nil if the profiles are compatible; otherwise an error with
// details on the incompatibility.
func (p *Profile) compatible(pb *Profile) error {
if !equalValueType(p.PeriodType, pb.PeriodType) {
return fmt.Errorf("incompatible period types %v and %v", p.PeriodType, pb.PeriodType)
}
if len(p.SampleType) != len(pb.SampleType) {
return fmt.Errorf("incompatible sample types %v and %v", p.SampleType, pb.SampleType)
}
for i := range p.SampleType {
if !equalValueType(p.SampleType[i], pb.SampleType[i]) {
return fmt.Errorf("incompatible sample types %v and %v", p.SampleType, pb.SampleType)
}
}
return nil
}
// equalValueType returns true if the two value types are semantically
// equal. It ignores the internal fields used during encode/decode.
func equalValueType(st1, st2 *ValueType) bool {
return st1.Type == st2.Type && st1.Unit == st2.Unit
}
// locationIDMap is like a map[uint64]*Location, but provides efficiency for
// ids that are densely numbered, which is often the case.
type locationIDMap struct {
dense []*Location // indexed by id for id < len(dense)
sparse map[uint64]*Location // indexed by id for id >= len(dense)
}
func makeLocationIDMap(n int) locationIDMap {
return locationIDMap{
dense: make([]*Location, n),
sparse: map[uint64]*Location{},
}
}
func (lm locationIDMap) get(id uint64) *Location {
if id < uint64(len(lm.dense)) {
return lm.dense[int(id)]
}
return lm.sparse[id]
}
func (lm locationIDMap) set(id uint64, loc *Location) {
if id < uint64(len(lm.dense)) {
lm.dense[id] = loc
return
}
lm.sparse[id] = loc
}
// CompatibilizeSampleTypes makes profiles compatible to be compared/merged. It
// keeps sample types that appear in all profiles only and drops/reorders the
// sample types as necessary.
//
// In the case of sample types order is not the same for given profiles the
// order is derived from the first profile.
//
// Profiles are modified in-place.
//
// It returns an error if the sample type's intersection is empty.
func CompatibilizeSampleTypes(ps []*Profile) error {
sTypes := commonSampleTypes(ps)
if len(sTypes) == 0 {
return fmt.Errorf("profiles have empty common sample type list")
}
for _, p := range ps {
if err := compatibilizeSampleTypes(p, sTypes); err != nil {
return err
}
}
return nil
}
// commonSampleTypes returns sample types that appear in all profiles in the
// order how they ordered in the first profile.
func commonSampleTypes(ps []*Profile) []string {
if len(ps) == 0 {
return nil
}
sTypes := map[string]int{}
for _, p := range ps {
for _, st := range p.SampleType {
sTypes[st.Type]++
}
}
var res []string
for _, st := range ps[0].SampleType {
if sTypes[st.Type] == len(ps) {
res = append(res, st.Type)
}
}
return res
}
// compatibilizeSampleTypes drops sample types that are not present in sTypes
// list and reorder them if needed.
//
// It sets DefaultSampleType to sType[0] if it is not in sType list.
//
// It assumes that all sample types from the sTypes list are present in the
// given profile otherwise it returns an error.
func compatibilizeSampleTypes(p *Profile, sTypes []string) error {
if len(sTypes) == 0 {
return fmt.Errorf("sample type list is empty")
}
defaultSampleType := sTypes[0]
reMap, needToModify := make([]int, len(sTypes)), false
for i, st := range sTypes {
if st == p.DefaultSampleType {
defaultSampleType = p.DefaultSampleType
}
idx := searchValueType(p.SampleType, st)
if idx < 0 {
return fmt.Errorf("%q sample type is not found in profile", st)
}
reMap[i] = idx
if idx != i {
needToModify = true
}
}
if !needToModify && len(sTypes) == len(p.SampleType) {
return nil
}
p.DefaultSampleType = defaultSampleType
oldSampleTypes := p.SampleType
p.SampleType = make([]*ValueType, len(sTypes))
for i, idx := range reMap {
p.SampleType[i] = oldSampleTypes[idx]
}
values := make([]int64, len(sTypes))
for _, s := range p.Sample {
for i, idx := range reMap {
values[i] = s.Value[idx]
}
s.Value = s.Value[:len(values)]
copy(s.Value, values)
}
return nil
}
func searchValueType(vts []*ValueType, s string) int {
for i, vt := range vts {
if vt.Type == s {
return i
}
}
return -1
}

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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package profile provides a representation of profile.proto and
// methods to encode/decode profiles in this format.
package profile
import (
"bytes"
"compress/gzip"
"fmt"
"io"
"math"
"path/filepath"
"regexp"
"sort"
"strings"
"sync"
"time"
)
// Profile is an in-memory representation of profile.proto.
type Profile struct {
SampleType []*ValueType
DefaultSampleType string
Sample []*Sample
Mapping []*Mapping
Location []*Location
Function []*Function
Comments []string
DropFrames string
KeepFrames string
TimeNanos int64
DurationNanos int64
PeriodType *ValueType
Period int64
// The following fields are modified during encoding and copying,
// so are protected by a Mutex.
encodeMu sync.Mutex
commentX []int64
dropFramesX int64
keepFramesX int64
stringTable []string
defaultSampleTypeX int64
}
// ValueType corresponds to Profile.ValueType
type ValueType struct {
Type string // cpu, wall, inuse_space, etc
Unit string // seconds, nanoseconds, bytes, etc
typeX int64
unitX int64
}
// Sample corresponds to Profile.Sample
type Sample struct {
Location []*Location
Value []int64
Label map[string][]string
NumLabel map[string][]int64
NumUnit map[string][]string
locationIDX []uint64
labelX []label
}
// label corresponds to Profile.Label
type label struct {
keyX int64
// Exactly one of the two following values must be set
strX int64
numX int64 // Integer value for this label
// can be set if numX has value
unitX int64
}
// Mapping corresponds to Profile.Mapping
type Mapping struct {
ID uint64
Start uint64
Limit uint64
Offset uint64
File string
BuildID string
HasFunctions bool
HasFilenames bool
HasLineNumbers bool
HasInlineFrames bool
fileX int64
buildIDX int64
// Name of the kernel relocation symbol ("_text" or "_stext"), extracted from File.
// For linux kernel mappings generated by some tools, correct symbolization depends
// on knowing which of the two possible relocation symbols was used for `Start`.
// This is given to us as a suffix in `File` (e.g. "[kernel.kallsyms]_stext").
//
// Note, this public field is not persisted in the proto. For the purposes of
// copying / merging / hashing profiles, it is considered subsumed by `File`.
KernelRelocationSymbol string
}
// Location corresponds to Profile.Location
type Location struct {
ID uint64
Mapping *Mapping
Address uint64
Line []Line
IsFolded bool
mappingIDX uint64
}
// Line corresponds to Profile.Line
type Line struct {
Function *Function
Line int64
functionIDX uint64
}
// Function corresponds to Profile.Function
type Function struct {
ID uint64
Name string
SystemName string
Filename string
StartLine int64
nameX int64
systemNameX int64
filenameX int64
}
// Parse parses a profile and checks for its validity. The input
// may be a gzip-compressed encoded protobuf or one of many legacy
// profile formats which may be unsupported in the future.
func Parse(r io.Reader) (*Profile, error) {
data, err := io.ReadAll(r)
if err != nil {
return nil, err
}
return ParseData(data)
}
// ParseData parses a profile from a buffer and checks for its
// validity.
func ParseData(data []byte) (*Profile, error) {
var p *Profile
var err error
if len(data) >= 2 && data[0] == 0x1f && data[1] == 0x8b {
gz, err := gzip.NewReader(bytes.NewBuffer(data))
if err == nil {
data, err = io.ReadAll(gz)
}
if err != nil {
return nil, fmt.Errorf("decompressing profile: %v", err)
}
}
if p, err = ParseUncompressed(data); err != nil && err != errNoData && err != errConcatProfile {
p, err = parseLegacy(data)
}
if err != nil {
return nil, fmt.Errorf("parsing profile: %v", err)
}
if err := p.CheckValid(); err != nil {
return nil, fmt.Errorf("malformed profile: %v", err)
}
return p, nil
}
var errUnrecognized = fmt.Errorf("unrecognized profile format")
var errMalformed = fmt.Errorf("malformed profile format")
var errNoData = fmt.Errorf("empty input file")
var errConcatProfile = fmt.Errorf("concatenated profiles detected")
func parseLegacy(data []byte) (*Profile, error) {
parsers := []func([]byte) (*Profile, error){
parseCPU,
parseHeap,
parseGoCount, // goroutine, threadcreate
parseThread,
parseContention,
parseJavaProfile,
}
for _, parser := range parsers {
p, err := parser(data)
if err == nil {
p.addLegacyFrameInfo()
return p, nil
}
if err != errUnrecognized {
return nil, err
}
}
return nil, errUnrecognized
}
// ParseUncompressed parses an uncompressed protobuf into a profile.
func ParseUncompressed(data []byte) (*Profile, error) {
if len(data) == 0 {
return nil, errNoData
}
p := &Profile{}
if err := unmarshal(data, p); err != nil {
return nil, err
}
if err := p.postDecode(); err != nil {
return nil, err
}
return p, nil
}
var libRx = regexp.MustCompile(`([.]so$|[.]so[._][0-9]+)`)
// massageMappings applies heuristic-based changes to the profile
// mappings to account for quirks of some environments.
func (p *Profile) massageMappings() {
// Merge adjacent regions with matching names, checking that the offsets match
if len(p.Mapping) > 1 {
mappings := []*Mapping{p.Mapping[0]}
for _, m := range p.Mapping[1:] {
lm := mappings[len(mappings)-1]
if adjacent(lm, m) {
lm.Limit = m.Limit
if m.File != "" {
lm.File = m.File
}
if m.BuildID != "" {
lm.BuildID = m.BuildID
}
p.updateLocationMapping(m, lm)
continue
}
mappings = append(mappings, m)
}
p.Mapping = mappings
}
// Use heuristics to identify main binary and move it to the top of the list of mappings
for i, m := range p.Mapping {
file := strings.TrimSpace(strings.Replace(m.File, "(deleted)", "", -1))
if len(file) == 0 {
continue
}
if len(libRx.FindStringSubmatch(file)) > 0 {
continue
}
if file[0] == '[' {
continue
}
// Swap what we guess is main to position 0.
p.Mapping[0], p.Mapping[i] = p.Mapping[i], p.Mapping[0]
break
}
// Keep the mapping IDs neatly sorted
for i, m := range p.Mapping {
m.ID = uint64(i + 1)
}
}
// adjacent returns whether two mapping entries represent the same
// mapping that has been split into two. Check that their addresses are adjacent,
// and if the offsets match, if they are available.
func adjacent(m1, m2 *Mapping) bool {
if m1.File != "" && m2.File != "" {
if m1.File != m2.File {
return false
}
}
if m1.BuildID != "" && m2.BuildID != "" {
if m1.BuildID != m2.BuildID {
return false
}
}
if m1.Limit != m2.Start {
return false
}
if m1.Offset != 0 && m2.Offset != 0 {
offset := m1.Offset + (m1.Limit - m1.Start)
if offset != m2.Offset {
return false
}
}
return true
}
func (p *Profile) updateLocationMapping(from, to *Mapping) {
for _, l := range p.Location {
if l.Mapping == from {
l.Mapping = to
}
}
}
func serialize(p *Profile) []byte {
p.encodeMu.Lock()
p.preEncode()
b := marshal(p)
p.encodeMu.Unlock()
return b
}
// Write writes the profile as a gzip-compressed marshaled protobuf.
func (p *Profile) Write(w io.Writer) error {
zw := gzip.NewWriter(w)
defer zw.Close()
_, err := zw.Write(serialize(p))
return err
}
// WriteUncompressed writes the profile as a marshaled protobuf.
func (p *Profile) WriteUncompressed(w io.Writer) error {
_, err := w.Write(serialize(p))
return err
}
// CheckValid tests whether the profile is valid. Checks include, but are
// not limited to:
// - len(Profile.Sample[n].value) == len(Profile.value_unit)
// - Sample.id has a corresponding Profile.Location
func (p *Profile) CheckValid() error {
// Check that sample values are consistent
sampleLen := len(p.SampleType)
if sampleLen == 0 && len(p.Sample) != 0 {
return fmt.Errorf("missing sample type information")
}
for _, s := range p.Sample {
if s == nil {
return fmt.Errorf("profile has nil sample")
}
if len(s.Value) != sampleLen {
return fmt.Errorf("mismatch: sample has %d values vs. %d types", len(s.Value), len(p.SampleType))
}
for _, l := range s.Location {
if l == nil {
return fmt.Errorf("sample has nil location")
}
}
}
// Check that all mappings/locations/functions are in the tables
// Check that there are no duplicate ids
mappings := make(map[uint64]*Mapping, len(p.Mapping))
for _, m := range p.Mapping {
if m == nil {
return fmt.Errorf("profile has nil mapping")
}
if m.ID == 0 {
return fmt.Errorf("found mapping with reserved ID=0")
}
if mappings[m.ID] != nil {
return fmt.Errorf("multiple mappings with same id: %d", m.ID)
}
mappings[m.ID] = m
}
functions := make(map[uint64]*Function, len(p.Function))
for _, f := range p.Function {
if f == nil {
return fmt.Errorf("profile has nil function")
}
if f.ID == 0 {
return fmt.Errorf("found function with reserved ID=0")
}
if functions[f.ID] != nil {
return fmt.Errorf("multiple functions with same id: %d", f.ID)
}
functions[f.ID] = f
}
locations := make(map[uint64]*Location, len(p.Location))
for _, l := range p.Location {
if l == nil {
return fmt.Errorf("profile has nil location")
}
if l.ID == 0 {
return fmt.Errorf("found location with reserved id=0")
}
if locations[l.ID] != nil {
return fmt.Errorf("multiple locations with same id: %d", l.ID)
}
locations[l.ID] = l
if m := l.Mapping; m != nil {
if m.ID == 0 || mappings[m.ID] != m {
return fmt.Errorf("inconsistent mapping %p: %d", m, m.ID)
}
}
for _, ln := range l.Line {
f := ln.Function
if f == nil {
return fmt.Errorf("location id: %d has a line with nil function", l.ID)
}
if f.ID == 0 || functions[f.ID] != f {
return fmt.Errorf("inconsistent function %p: %d", f, f.ID)
}
}
}
return nil
}
// Aggregate merges the locations in the profile into equivalence
// classes preserving the request attributes. It also updates the
// samples to point to the merged locations.
func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address bool) error {
for _, m := range p.Mapping {
m.HasInlineFrames = m.HasInlineFrames && inlineFrame
m.HasFunctions = m.HasFunctions && function
m.HasFilenames = m.HasFilenames && filename
m.HasLineNumbers = m.HasLineNumbers && linenumber
}
// Aggregate functions
if !function || !filename {
for _, f := range p.Function {
if !function {
f.Name = ""
f.SystemName = ""
}
if !filename {
f.Filename = ""
}
}
}
// Aggregate locations
if !inlineFrame || !address || !linenumber {
for _, l := range p.Location {
if !inlineFrame && len(l.Line) > 1 {
l.Line = l.Line[len(l.Line)-1:]
}
if !linenumber {
for i := range l.Line {
l.Line[i].Line = 0
}
}
if !address {
l.Address = 0
}
}
}
return p.CheckValid()
}
// NumLabelUnits returns a map of numeric label keys to the units
// associated with those keys and a map of those keys to any units
// that were encountered but not used.
// Unit for a given key is the first encountered unit for that key. If multiple
// units are encountered for values paired with a particular key, then the first
// unit encountered is used and all other units are returned in sorted order
// in map of ignored units.
// If no units are encountered for a particular key, the unit is then inferred
// based on the key.
func (p *Profile) NumLabelUnits() (map[string]string, map[string][]string) {
numLabelUnits := map[string]string{}
ignoredUnits := map[string]map[string]bool{}
encounteredKeys := map[string]bool{}
// Determine units based on numeric tags for each sample.
for _, s := range p.Sample {
for k := range s.NumLabel {
encounteredKeys[k] = true
for _, unit := range s.NumUnit[k] {
if unit == "" {
continue
}
if wantUnit, ok := numLabelUnits[k]; !ok {
numLabelUnits[k] = unit
} else if wantUnit != unit {
if v, ok := ignoredUnits[k]; ok {
v[unit] = true
} else {
ignoredUnits[k] = map[string]bool{unit: true}
}
}
}
}
}
// Infer units for keys without any units associated with
// numeric tag values.
for key := range encounteredKeys {
unit := numLabelUnits[key]
if unit == "" {
switch key {
case "alignment", "request":
numLabelUnits[key] = "bytes"
default:
numLabelUnits[key] = key
}
}
}
// Copy ignored units into more readable format
unitsIgnored := make(map[string][]string, len(ignoredUnits))
for key, values := range ignoredUnits {
units := make([]string, len(values))
i := 0
for unit := range values {
units[i] = unit
i++
}
sort.Strings(units)
unitsIgnored[key] = units
}
return numLabelUnits, unitsIgnored
}
// String dumps a text representation of a profile. Intended mainly
// for debugging purposes.
func (p *Profile) String() string {
ss := make([]string, 0, len(p.Comments)+len(p.Sample)+len(p.Mapping)+len(p.Location))
for _, c := range p.Comments {
ss = append(ss, "Comment: "+c)
}
if pt := p.PeriodType; pt != nil {
ss = append(ss, fmt.Sprintf("PeriodType: %s %s", pt.Type, pt.Unit))
}
ss = append(ss, fmt.Sprintf("Period: %d", p.Period))
if p.TimeNanos != 0 {
ss = append(ss, fmt.Sprintf("Time: %v", time.Unix(0, p.TimeNanos)))
}
if p.DurationNanos != 0 {
ss = append(ss, fmt.Sprintf("Duration: %.4v", time.Duration(p.DurationNanos)))
}
ss = append(ss, "Samples:")
var sh1 string
for _, s := range p.SampleType {
dflt := ""
if s.Type == p.DefaultSampleType {
dflt = "[dflt]"
}
sh1 = sh1 + fmt.Sprintf("%s/%s%s ", s.Type, s.Unit, dflt)
}
ss = append(ss, strings.TrimSpace(sh1))
for _, s := range p.Sample {
ss = append(ss, s.string())
}
ss = append(ss, "Locations")
for _, l := range p.Location {
ss = append(ss, l.string())
}
ss = append(ss, "Mappings")
for _, m := range p.Mapping {
ss = append(ss, m.string())
}
return strings.Join(ss, "\n") + "\n"
}
// string dumps a text representation of a mapping. Intended mainly
// for debugging purposes.
func (m *Mapping) string() string {
bits := ""
if m.HasFunctions {
bits = bits + "[FN]"
}
if m.HasFilenames {
bits = bits + "[FL]"
}
if m.HasLineNumbers {
bits = bits + "[LN]"
}
if m.HasInlineFrames {
bits = bits + "[IN]"
}
return fmt.Sprintf("%d: %#x/%#x/%#x %s %s %s",
m.ID,
m.Start, m.Limit, m.Offset,
m.File,
m.BuildID,
bits)
}
// string dumps a text representation of a location. Intended mainly
// for debugging purposes.
func (l *Location) string() string {
ss := []string{}
locStr := fmt.Sprintf("%6d: %#x ", l.ID, l.Address)
if m := l.Mapping; m != nil {
locStr = locStr + fmt.Sprintf("M=%d ", m.ID)
}
if l.IsFolded {
locStr = locStr + "[F] "
}
if len(l.Line) == 0 {
ss = append(ss, locStr)
}
for li := range l.Line {
lnStr := "??"
if fn := l.Line[li].Function; fn != nil {
lnStr = fmt.Sprintf("%s %s:%d s=%d",
fn.Name,
fn.Filename,
l.Line[li].Line,
fn.StartLine)
if fn.Name != fn.SystemName {
lnStr = lnStr + "(" + fn.SystemName + ")"
}
}
ss = append(ss, locStr+lnStr)
// Do not print location details past the first line
locStr = " "
}
return strings.Join(ss, "\n")
}
// string dumps a text representation of a sample. Intended mainly
// for debugging purposes.
func (s *Sample) string() string {
ss := []string{}
var sv string
for _, v := range s.Value {
sv = fmt.Sprintf("%s %10d", sv, v)
}
sv = sv + ": "
for _, l := range s.Location {
sv = sv + fmt.Sprintf("%d ", l.ID)
}
ss = append(ss, sv)
const labelHeader = " "
if len(s.Label) > 0 {
ss = append(ss, labelHeader+labelsToString(s.Label))
}
if len(s.NumLabel) > 0 {
ss = append(ss, labelHeader+numLabelsToString(s.NumLabel, s.NumUnit))
}
return strings.Join(ss, "\n")
}
// labelsToString returns a string representation of a
// map representing labels.
func labelsToString(labels map[string][]string) string {
ls := []string{}
for k, v := range labels {
ls = append(ls, fmt.Sprintf("%s:%v", k, v))
}
sort.Strings(ls)
return strings.Join(ls, " ")
}
// numLabelsToString returns a string representation of a map
// representing numeric labels.
func numLabelsToString(numLabels map[string][]int64, numUnits map[string][]string) string {
ls := []string{}
for k, v := range numLabels {
units := numUnits[k]
var labelString string
if len(units) == len(v) {
values := make([]string, len(v))
for i, vv := range v {
values[i] = fmt.Sprintf("%d %s", vv, units[i])
}
labelString = fmt.Sprintf("%s:%v", k, values)
} else {
labelString = fmt.Sprintf("%s:%v", k, v)
}
ls = append(ls, labelString)
}
sort.Strings(ls)
return strings.Join(ls, " ")
}
// SetLabel sets the specified key to the specified value for all samples in the
// profile.
func (p *Profile) SetLabel(key string, value []string) {
for _, sample := range p.Sample {
if sample.Label == nil {
sample.Label = map[string][]string{key: value}
} else {
sample.Label[key] = value
}
}
}
// RemoveLabel removes all labels associated with the specified key for all
// samples in the profile.
func (p *Profile) RemoveLabel(key string) {
for _, sample := range p.Sample {
delete(sample.Label, key)
}
}
// HasLabel returns true if a sample has a label with indicated key and value.
func (s *Sample) HasLabel(key, value string) bool {
for _, v := range s.Label[key] {
if v == value {
return true
}
}
return false
}
// DiffBaseSample returns true if a sample belongs to the diff base and false
// otherwise.
func (s *Sample) DiffBaseSample() bool {
return s.HasLabel("pprof::base", "true")
}
// Scale multiplies all sample values in a profile by a constant and keeps
// only samples that have at least one non-zero value.
func (p *Profile) Scale(ratio float64) {
if ratio == 1 {
return
}
ratios := make([]float64, len(p.SampleType))
for i := range p.SampleType {
ratios[i] = ratio
}
p.ScaleN(ratios)
}
// ScaleN multiplies each sample values in a sample by a different amount
// and keeps only samples that have at least one non-zero value.
func (p *Profile) ScaleN(ratios []float64) error {
if len(p.SampleType) != len(ratios) {
return fmt.Errorf("mismatched scale ratios, got %d, want %d", len(ratios), len(p.SampleType))
}
allOnes := true
for _, r := range ratios {
if r != 1 {
allOnes = false
break
}
}
if allOnes {
return nil
}
fillIdx := 0
for _, s := range p.Sample {
keepSample := false
for i, v := range s.Value {
if ratios[i] != 1 {
val := int64(math.Round(float64(v) * ratios[i]))
s.Value[i] = val
keepSample = keepSample || val != 0
}
}
if keepSample {
p.Sample[fillIdx] = s
fillIdx++
}
}
p.Sample = p.Sample[:fillIdx]
return nil
}
// HasFunctions determines if all locations in this profile have
// symbolized function information.
func (p *Profile) HasFunctions() bool {
for _, l := range p.Location {
if l.Mapping != nil && !l.Mapping.HasFunctions {
return false
}
}
return true
}
// HasFileLines determines if all locations in this profile have
// symbolized file and line number information.
func (p *Profile) HasFileLines() bool {
for _, l := range p.Location {
if l.Mapping != nil && (!l.Mapping.HasFilenames || !l.Mapping.HasLineNumbers) {
return false
}
}
return true
}
// Unsymbolizable returns true if a mapping points to a binary for which
// locations can't be symbolized in principle, at least now. Examples are
// "[vdso]", [vsyscall]" and some others, see the code.
func (m *Mapping) Unsymbolizable() bool {
name := filepath.Base(m.File)
return strings.HasPrefix(name, "[") || strings.HasPrefix(name, "linux-vdso") || strings.HasPrefix(m.File, "/dev/dri/")
}
// Copy makes a fully independent copy of a profile.
func (p *Profile) Copy() *Profile {
pp := &Profile{}
if err := unmarshal(serialize(p), pp); err != nil {
panic(err)
}
if err := pp.postDecode(); err != nil {
panic(err)
}
return pp
}

367
vendor/github.com/google/pprof/profile/proto.go generated vendored Normal file
View file

@ -0,0 +1,367 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file is a simple protocol buffer encoder and decoder.
// The format is described at
// https://developers.google.com/protocol-buffers/docs/encoding
//
// A protocol message must implement the message interface:
// decoder() []decoder
// encode(*buffer)
//
// The decode method returns a slice indexed by field number that gives the
// function to decode that field.
// The encode method encodes its receiver into the given buffer.
//
// The two methods are simple enough to be implemented by hand rather than
// by using a protocol compiler.
//
// See profile.go for examples of messages implementing this interface.
//
// There is no support for groups, message sets, or "has" bits.
package profile
import (
"errors"
"fmt"
)
type buffer struct {
field int // field tag
typ int // proto wire type code for field
u64 uint64
data []byte
tmp [16]byte
tmpLines []Line // temporary storage used while decoding "repeated Line".
}
type decoder func(*buffer, message) error
type message interface {
decoder() []decoder
encode(*buffer)
}
func marshal(m message) []byte {
var b buffer
m.encode(&b)
return b.data
}
func encodeVarint(b *buffer, x uint64) {
for x >= 128 {
b.data = append(b.data, byte(x)|0x80)
x >>= 7
}
b.data = append(b.data, byte(x))
}
func encodeLength(b *buffer, tag int, len int) {
encodeVarint(b, uint64(tag)<<3|2)
encodeVarint(b, uint64(len))
}
func encodeUint64(b *buffer, tag int, x uint64) {
// append varint to b.data
encodeVarint(b, uint64(tag)<<3)
encodeVarint(b, x)
}
func encodeUint64s(b *buffer, tag int, x []uint64) {
if len(x) > 2 {
// Use packed encoding
n1 := len(b.data)
for _, u := range x {
encodeVarint(b, u)
}
n2 := len(b.data)
encodeLength(b, tag, n2-n1)
n3 := len(b.data)
copy(b.tmp[:], b.data[n2:n3])
copy(b.data[n1+(n3-n2):], b.data[n1:n2])
copy(b.data[n1:], b.tmp[:n3-n2])
return
}
for _, u := range x {
encodeUint64(b, tag, u)
}
}
func encodeUint64Opt(b *buffer, tag int, x uint64) {
if x == 0 {
return
}
encodeUint64(b, tag, x)
}
func encodeInt64(b *buffer, tag int, x int64) {
u := uint64(x)
encodeUint64(b, tag, u)
}
func encodeInt64s(b *buffer, tag int, x []int64) {
if len(x) > 2 {
// Use packed encoding
n1 := len(b.data)
for _, u := range x {
encodeVarint(b, uint64(u))
}
n2 := len(b.data)
encodeLength(b, tag, n2-n1)
n3 := len(b.data)
copy(b.tmp[:], b.data[n2:n3])
copy(b.data[n1+(n3-n2):], b.data[n1:n2])
copy(b.data[n1:], b.tmp[:n3-n2])
return
}
for _, u := range x {
encodeInt64(b, tag, u)
}
}
func encodeInt64Opt(b *buffer, tag int, x int64) {
if x == 0 {
return
}
encodeInt64(b, tag, x)
}
func encodeString(b *buffer, tag int, x string) {
encodeLength(b, tag, len(x))
b.data = append(b.data, x...)
}
func encodeStrings(b *buffer, tag int, x []string) {
for _, s := range x {
encodeString(b, tag, s)
}
}
func encodeBool(b *buffer, tag int, x bool) {
if x {
encodeUint64(b, tag, 1)
} else {
encodeUint64(b, tag, 0)
}
}
func encodeBoolOpt(b *buffer, tag int, x bool) {
if x {
encodeBool(b, tag, x)
}
}
func encodeMessage(b *buffer, tag int, m message) {
n1 := len(b.data)
m.encode(b)
n2 := len(b.data)
encodeLength(b, tag, n2-n1)
n3 := len(b.data)
copy(b.tmp[:], b.data[n2:n3])
copy(b.data[n1+(n3-n2):], b.data[n1:n2])
copy(b.data[n1:], b.tmp[:n3-n2])
}
func unmarshal(data []byte, m message) (err error) {
b := buffer{data: data, typ: 2}
return decodeMessage(&b, m)
}
func le64(p []byte) uint64 {
return uint64(p[0]) | uint64(p[1])<<8 | uint64(p[2])<<16 | uint64(p[3])<<24 | uint64(p[4])<<32 | uint64(p[5])<<40 | uint64(p[6])<<48 | uint64(p[7])<<56
}
func le32(p []byte) uint32 {
return uint32(p[0]) | uint32(p[1])<<8 | uint32(p[2])<<16 | uint32(p[3])<<24
}
func decodeVarint(data []byte) (uint64, []byte, error) {
var u uint64
for i := 0; ; i++ {
if i >= 10 || i >= len(data) {
return 0, nil, errors.New("bad varint")
}
u |= uint64(data[i]&0x7F) << uint(7*i)
if data[i]&0x80 == 0 {
return u, data[i+1:], nil
}
}
}
func decodeField(b *buffer, data []byte) ([]byte, error) {
x, data, err := decodeVarint(data)
if err != nil {
return nil, err
}
b.field = int(x >> 3)
b.typ = int(x & 7)
b.data = nil
b.u64 = 0
switch b.typ {
case 0:
b.u64, data, err = decodeVarint(data)
if err != nil {
return nil, err
}
case 1:
if len(data) < 8 {
return nil, errors.New("not enough data")
}
b.u64 = le64(data[:8])
data = data[8:]
case 2:
var n uint64
n, data, err = decodeVarint(data)
if err != nil {
return nil, err
}
if n > uint64(len(data)) {
return nil, errors.New("too much data")
}
b.data = data[:n]
data = data[n:]
case 5:
if len(data) < 4 {
return nil, errors.New("not enough data")
}
b.u64 = uint64(le32(data[:4]))
data = data[4:]
default:
return nil, fmt.Errorf("unknown wire type: %d", b.typ)
}
return data, nil
}
func checkType(b *buffer, typ int) error {
if b.typ != typ {
return errors.New("type mismatch")
}
return nil
}
func decodeMessage(b *buffer, m message) error {
if err := checkType(b, 2); err != nil {
return err
}
dec := m.decoder()
data := b.data
for len(data) > 0 {
// pull varint field# + type
var err error
data, err = decodeField(b, data)
if err != nil {
return err
}
if b.field >= len(dec) || dec[b.field] == nil {
continue
}
if err := dec[b.field](b, m); err != nil {
return err
}
}
return nil
}
func decodeInt64(b *buffer, x *int64) error {
if err := checkType(b, 0); err != nil {
return err
}
*x = int64(b.u64)
return nil
}
func decodeInt64s(b *buffer, x *[]int64) error {
if b.typ == 2 {
// Packed encoding
data := b.data
for len(data) > 0 {
var u uint64
var err error
if u, data, err = decodeVarint(data); err != nil {
return err
}
*x = append(*x, int64(u))
}
return nil
}
var i int64
if err := decodeInt64(b, &i); err != nil {
return err
}
*x = append(*x, i)
return nil
}
func decodeUint64(b *buffer, x *uint64) error {
if err := checkType(b, 0); err != nil {
return err
}
*x = b.u64
return nil
}
func decodeUint64s(b *buffer, x *[]uint64) error {
if b.typ == 2 {
data := b.data
// Packed encoding
for len(data) > 0 {
var u uint64
var err error
if u, data, err = decodeVarint(data); err != nil {
return err
}
*x = append(*x, u)
}
return nil
}
var u uint64
if err := decodeUint64(b, &u); err != nil {
return err
}
*x = append(*x, u)
return nil
}
func decodeString(b *buffer, x *string) error {
if err := checkType(b, 2); err != nil {
return err
}
*x = string(b.data)
return nil
}
func decodeStrings(b *buffer, x *[]string) error {
var s string
if err := decodeString(b, &s); err != nil {
return err
}
*x = append(*x, s)
return nil
}
func decodeBool(b *buffer, x *bool) error {
if err := checkType(b, 0); err != nil {
return err
}
if int64(b.u64) == 0 {
*x = false
} else {
*x = true
}
return nil
}

194
vendor/github.com/google/pprof/profile/prune.go generated vendored Normal file
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@ -0,0 +1,194 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Implements methods to remove frames from profiles.
package profile
import (
"fmt"
"regexp"
"strings"
)
var (
reservedNames = []string{"(anonymous namespace)", "operator()"}
bracketRx = func() *regexp.Regexp {
var quotedNames []string
for _, name := range append(reservedNames, "(") {
quotedNames = append(quotedNames, regexp.QuoteMeta(name))
}
return regexp.MustCompile(strings.Join(quotedNames, "|"))
}()
)
// simplifyFunc does some primitive simplification of function names.
func simplifyFunc(f string) string {
// Account for leading '.' on the PPC ELF v1 ABI.
funcName := strings.TrimPrefix(f, ".")
// Account for unsimplified names -- try to remove the argument list by trimming
// starting from the first '(', but skipping reserved names that have '('.
for _, ind := range bracketRx.FindAllStringSubmatchIndex(funcName, -1) {
foundReserved := false
for _, res := range reservedNames {
if funcName[ind[0]:ind[1]] == res {
foundReserved = true
break
}
}
if !foundReserved {
funcName = funcName[:ind[0]]
break
}
}
return funcName
}
// Prune removes all nodes beneath a node matching dropRx, and not
// matching keepRx. If the root node of a Sample matches, the sample
// will have an empty stack.
func (p *Profile) Prune(dropRx, keepRx *regexp.Regexp) {
prune := make(map[uint64]bool)
pruneBeneath := make(map[uint64]bool)
// simplifyFunc can be expensive, so cache results.
// Note that the same function name can be encountered many times due
// different lines and addresses in the same function.
pruneCache := map[string]bool{} // Map from function to whether or not to prune
pruneFromHere := func(s string) bool {
if r, ok := pruneCache[s]; ok {
return r
}
funcName := simplifyFunc(s)
if dropRx.MatchString(funcName) {
if keepRx == nil || !keepRx.MatchString(funcName) {
pruneCache[s] = true
return true
}
}
pruneCache[s] = false
return false
}
for _, loc := range p.Location {
var i int
for i = len(loc.Line) - 1; i >= 0; i-- {
if fn := loc.Line[i].Function; fn != nil && fn.Name != "" {
if pruneFromHere(fn.Name) {
break
}
}
}
if i >= 0 {
// Found matching entry to prune.
pruneBeneath[loc.ID] = true
// Remove the matching location.
if i == len(loc.Line)-1 {
// Matched the top entry: prune the whole location.
prune[loc.ID] = true
} else {
loc.Line = loc.Line[i+1:]
}
}
}
// Prune locs from each Sample
for _, sample := range p.Sample {
// Scan from the root to the leaves to find the prune location.
// Do not prune frames before the first user frame, to avoid
// pruning everything.
foundUser := false
for i := len(sample.Location) - 1; i >= 0; i-- {
id := sample.Location[i].ID
if !prune[id] && !pruneBeneath[id] {
foundUser = true
continue
}
if !foundUser {
continue
}
if prune[id] {
sample.Location = sample.Location[i+1:]
break
}
if pruneBeneath[id] {
sample.Location = sample.Location[i:]
break
}
}
}
}
// RemoveUninteresting prunes and elides profiles using built-in
// tables of uninteresting function names.
func (p *Profile) RemoveUninteresting() error {
var keep, drop *regexp.Regexp
var err error
if p.DropFrames != "" {
if drop, err = regexp.Compile("^(" + p.DropFrames + ")$"); err != nil {
return fmt.Errorf("failed to compile regexp %s: %v", p.DropFrames, err)
}
if p.KeepFrames != "" {
if keep, err = regexp.Compile("^(" + p.KeepFrames + ")$"); err != nil {
return fmt.Errorf("failed to compile regexp %s: %v", p.KeepFrames, err)
}
}
p.Prune(drop, keep)
}
return nil
}
// PruneFrom removes all nodes beneath the lowest node matching dropRx, not including itself.
//
// Please see the example below to understand this method as well as
// the difference from Prune method.
//
// A sample contains Location of [A,B,C,B,D] where D is the top frame and there's no inline.
//
// PruneFrom(A) returns [A,B,C,B,D] because there's no node beneath A.
// Prune(A, nil) returns [B,C,B,D] by removing A itself.
//
// PruneFrom(B) returns [B,C,B,D] by removing all nodes beneath the first B when scanning from the bottom.
// Prune(B, nil) returns [D] because a matching node is found by scanning from the root.
func (p *Profile) PruneFrom(dropRx *regexp.Regexp) {
pruneBeneath := make(map[uint64]bool)
for _, loc := range p.Location {
for i := 0; i < len(loc.Line); i++ {
if fn := loc.Line[i].Function; fn != nil && fn.Name != "" {
funcName := simplifyFunc(fn.Name)
if dropRx.MatchString(funcName) {
// Found matching entry to prune.
pruneBeneath[loc.ID] = true
loc.Line = loc.Line[i:]
break
}
}
}
}
// Prune locs from each Sample
for _, sample := range p.Sample {
// Scan from the bottom leaf to the root to find the prune location.
for i, loc := range sample.Location {
if pruneBeneath[loc.ID] {
sample.Location = sample.Location[i:]
break
}
}
}
}

23
vendor/github.com/hashicorp/golang-lru/v2/.gitignore generated vendored Normal file
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@ -0,0 +1,23 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test

View file

@ -0,0 +1,30 @@
linters:
enable:
- megacheck
- revive
- govet
- unconvert
- megacheck
- gas
- gocyclo
- dupl
- misspell
- unparam
- unused
- typecheck
- ineffassign
- stylecheck
- exportloopref
- gocritic
- nakedret
- gosimple
- prealloc
fast: false
disable-all: true
issues:
exclude-rules:
- path: _test\.go
linters:
- dupl
exclude-use-default: false

223
vendor/github.com/hashicorp/golang-lru/v2/2q.go generated vendored Normal file
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@ -0,0 +1,223 @@
package lru
import (
"fmt"
"sync"
"github.com/hashicorp/golang-lru/v2/simplelru"
)
const (
// Default2QRecentRatio is the ratio of the 2Q cache dedicated
// to recently added entries that have only been accessed once.
Default2QRecentRatio = 0.25
// Default2QGhostEntries is the default ratio of ghost
// entries kept to track entries recently evicted
Default2QGhostEntries = 0.50
)
// TwoQueueCache is a thread-safe fixed size 2Q cache.
// 2Q is an enhancement over the standard LRU cache
// in that it tracks both frequently and recently used
// entries separately. This avoids a burst in access to new
// entries from evicting frequently used entries. It adds some
// additional tracking overhead to the standard LRU cache, and is
// computationally about 2x the cost, and adds some metadata over
// head. The ARCCache is similar, but does not require setting any
// parameters.
type TwoQueueCache[K comparable, V any] struct {
size int
recentSize int
recent simplelru.LRUCache[K, V]
frequent simplelru.LRUCache[K, V]
recentEvict simplelru.LRUCache[K, V]
lock sync.RWMutex
}
// New2Q creates a new TwoQueueCache using the default
// values for the parameters.
func New2Q[K comparable, V any](size int) (*TwoQueueCache[K, V], error) {
return New2QParams[K, V](size, Default2QRecentRatio, Default2QGhostEntries)
}
// New2QParams creates a new TwoQueueCache using the provided
// parameter values.
func New2QParams[K comparable, V any](size int, recentRatio, ghostRatio float64) (*TwoQueueCache[K, V], error) {
if size <= 0 {
return nil, fmt.Errorf("invalid size")
}
if recentRatio < 0.0 || recentRatio > 1.0 {
return nil, fmt.Errorf("invalid recent ratio")
}
if ghostRatio < 0.0 || ghostRatio > 1.0 {
return nil, fmt.Errorf("invalid ghost ratio")
}
// Determine the sub-sizes
recentSize := int(float64(size) * recentRatio)
evictSize := int(float64(size) * ghostRatio)
// Allocate the LRUs
recent, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
frequent, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
recentEvict, err := simplelru.NewLRU[K, V](evictSize, nil)
if err != nil {
return nil, err
}
// Initialize the cache
c := &TwoQueueCache[K, V]{
size: size,
recentSize: recentSize,
recent: recent,
frequent: frequent,
recentEvict: recentEvict,
}
return c, nil
}
// Get looks up a key's value from the cache.
func (c *TwoQueueCache[K, V]) Get(key K) (value V, ok bool) {
c.lock.Lock()
defer c.lock.Unlock()
// Check if this is a frequent value
if val, ok := c.frequent.Get(key); ok {
return val, ok
}
// If the value is contained in recent, then we
// promote it to frequent
if val, ok := c.recent.Peek(key); ok {
c.recent.Remove(key)
c.frequent.Add(key, val)
return val, ok
}
// No hit
return
}
// Add adds a value to the cache.
func (c *TwoQueueCache[K, V]) Add(key K, value V) {
c.lock.Lock()
defer c.lock.Unlock()
// Check if the value is frequently used already,
// and just update the value
if c.frequent.Contains(key) {
c.frequent.Add(key, value)
return
}
// Check if the value is recently used, and promote
// the value into the frequent list
if c.recent.Contains(key) {
c.recent.Remove(key)
c.frequent.Add(key, value)
return
}
// If the value was recently evicted, add it to the
// frequently used list
if c.recentEvict.Contains(key) {
c.ensureSpace(true)
c.recentEvict.Remove(key)
c.frequent.Add(key, value)
return
}
// Add to the recently seen list
c.ensureSpace(false)
c.recent.Add(key, value)
}
// ensureSpace is used to ensure we have space in the cache
func (c *TwoQueueCache[K, V]) ensureSpace(recentEvict bool) {
// If we have space, nothing to do
recentLen := c.recent.Len()
freqLen := c.frequent.Len()
if recentLen+freqLen < c.size {
return
}
// If the recent buffer is larger than
// the target, evict from there
if recentLen > 0 && (recentLen > c.recentSize || (recentLen == c.recentSize && !recentEvict)) {
k, _, _ := c.recent.RemoveOldest()
var empty V
c.recentEvict.Add(k, empty)
return
}
// Remove from the frequent list otherwise
c.frequent.RemoveOldest()
}
// Len returns the number of items in the cache.
func (c *TwoQueueCache[K, V]) Len() int {
c.lock.RLock()
defer c.lock.RUnlock()
return c.recent.Len() + c.frequent.Len()
}
// Keys returns a slice of the keys in the cache.
// The frequently used keys are first in the returned slice.
func (c *TwoQueueCache[K, V]) Keys() []K {
c.lock.RLock()
defer c.lock.RUnlock()
k1 := c.frequent.Keys()
k2 := c.recent.Keys()
return append(k1, k2...)
}
// Remove removes the provided key from the cache.
func (c *TwoQueueCache[K, V]) Remove(key K) {
c.lock.Lock()
defer c.lock.Unlock()
if c.frequent.Remove(key) {
return
}
if c.recent.Remove(key) {
return
}
if c.recentEvict.Remove(key) {
return
}
}
// Purge is used to completely clear the cache.
func (c *TwoQueueCache[K, V]) Purge() {
c.lock.Lock()
defer c.lock.Unlock()
c.recent.Purge()
c.frequent.Purge()
c.recentEvict.Purge()
}
// Contains is used to check if the cache contains a key
// without updating recency or frequency.
func (c *TwoQueueCache[K, V]) Contains(key K) bool {
c.lock.RLock()
defer c.lock.RUnlock()
return c.frequent.Contains(key) || c.recent.Contains(key)
}
// Peek is used to inspect the cache value of a key
// without updating recency or frequency.
func (c *TwoQueueCache[K, V]) Peek(key K) (value V, ok bool) {
c.lock.RLock()
defer c.lock.RUnlock()
if val, ok := c.frequent.Peek(key); ok {
return val, ok
}
return c.recent.Peek(key)
}

364
vendor/github.com/hashicorp/golang-lru/v2/LICENSE generated vendored Normal file
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Copyright (c) 2014 HashiCorp, Inc.
Mozilla Public License, version 2.0
1. Definitions
1.1. "Contributor"
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. "Incompatible With Secondary Licenses"
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms of
a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in a
separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible, whether
at the time of the initial grant or subsequently, any and all of the
rights conveyed by this License.
1.10. "Modifications"
means any of the following:
a. any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, "control" means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing
basis, if such Contributor fails to notify You of the non-compliance by
some reasonable means prior to 60 days after You have come back into
compliance. Moreover, Your grants from a particular Contributor are
reinstated on an ongoing basis if such Contributor notifies You of the
non-compliance by some reasonable means, this is the first time You have
received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from
such party's negligence to the extent applicable law prohibits such
limitation. Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, so this exclusion and limitation may
not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts
of a jurisdiction where the defendant maintains its principal place of
business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses If You choose to distribute Source Code Form that is
Incompatible With Secondary Licenses under the terms of this version of
the License, the notice described in Exhibit B of this License must be
attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file,
then You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a
notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible
With Secondary Licenses", as defined by
the Mozilla Public License, v. 2.0.

25
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golang-lru
==========
This provides the `lru` package which implements a fixed-size
thread safe LRU cache. It is based on the cache in Groupcache.
Documentation
=============
Full docs are available on [Go Packages](https://pkg.go.dev/github.com/hashicorp/golang-lru/v2)
Example
=======
Using the LRU is very simple:
```go
l, _ := New(128)
for i := 0; i < 256; i++ {
l.Add(i, nil)
}
if l.Len() != 128 {
panic(fmt.Sprintf("bad len: %v", l.Len()))
}
```

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vendor/github.com/hashicorp/golang-lru/v2/arc.go generated vendored Normal file
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package lru
import (
"sync"
"github.com/hashicorp/golang-lru/v2/simplelru"
)
// ARCCache is a thread-safe fixed size Adaptive Replacement Cache (ARC).
// ARC is an enhancement over the standard LRU cache in that tracks both
// frequency and recency of use. This avoids a burst in access to new
// entries from evicting the frequently used older entries. It adds some
// additional tracking overhead to a standard LRU cache, computationally
// it is roughly 2x the cost, and the extra memory overhead is linear
// with the size of the cache. ARC has been patented by IBM, but is
// similar to the TwoQueueCache (2Q) which requires setting parameters.
type ARCCache[K comparable, V any] struct {
size int // Size is the total capacity of the cache
p int // P is the dynamic preference towards T1 or T2
t1 simplelru.LRUCache[K, V] // T1 is the LRU for recently accessed items
b1 simplelru.LRUCache[K, V] // B1 is the LRU for evictions from t1
t2 simplelru.LRUCache[K, V] // T2 is the LRU for frequently accessed items
b2 simplelru.LRUCache[K, V] // B2 is the LRU for evictions from t2
lock sync.RWMutex
}
// NewARC creates an ARC of the given size
func NewARC[K comparable, V any](size int) (*ARCCache[K, V], error) {
// Create the sub LRUs
b1, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
b2, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
t1, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
t2, err := simplelru.NewLRU[K, V](size, nil)
if err != nil {
return nil, err
}
// Initialize the ARC
c := &ARCCache[K, V]{
size: size,
p: 0,
t1: t1,
b1: b1,
t2: t2,
b2: b2,
}
return c, nil
}
// Get looks up a key's value from the cache.
func (c *ARCCache[K, V]) Get(key K) (value V, ok bool) {
c.lock.Lock()
defer c.lock.Unlock()
// If the value is contained in T1 (recent), then
// promote it to T2 (frequent)
if val, ok := c.t1.Peek(key); ok {
c.t1.Remove(key)
c.t2.Add(key, val)
return val, ok
}
// Check if the value is contained in T2 (frequent)
if val, ok := c.t2.Get(key); ok {
return val, ok
}
// No hit
return
}
// Add adds a value to the cache.
func (c *ARCCache[K, V]) Add(key K, value V) {
c.lock.Lock()
defer c.lock.Unlock()
// Check if the value is contained in T1 (recent), and potentially
// promote it to frequent T2
if c.t1.Contains(key) {
c.t1.Remove(key)
c.t2.Add(key, value)
return
}
// Check if the value is already in T2 (frequent) and update it
if c.t2.Contains(key) {
c.t2.Add(key, value)
return
}
// Check if this value was recently evicted as part of the
// recently used list
if c.b1.Contains(key) {
// T1 set is too small, increase P appropriately
delta := 1
b1Len := c.b1.Len()
b2Len := c.b2.Len()
if b2Len > b1Len {
delta = b2Len / b1Len
}
if c.p+delta >= c.size {
c.p = c.size
} else {
c.p += delta
}
// Potentially need to make room in the cache
if c.t1.Len()+c.t2.Len() >= c.size {
c.replace(false)
}
// Remove from B1
c.b1.Remove(key)
// Add the key to the frequently used list
c.t2.Add(key, value)
return
}
// Check if this value was recently evicted as part of the
// frequently used list
if c.b2.Contains(key) {
// T2 set is too small, decrease P appropriately
delta := 1
b1Len := c.b1.Len()
b2Len := c.b2.Len()
if b1Len > b2Len {
delta = b1Len / b2Len
}
if delta >= c.p {
c.p = 0
} else {
c.p -= delta
}
// Potentially need to make room in the cache
if c.t1.Len()+c.t2.Len() >= c.size {
c.replace(true)
}
// Remove from B2
c.b2.Remove(key)
// Add the key to the frequently used list
c.t2.Add(key, value)
return
}
// Potentially need to make room in the cache
if c.t1.Len()+c.t2.Len() >= c.size {
c.replace(false)
}
// Keep the size of the ghost buffers trim
if c.b1.Len() > c.size-c.p {
c.b1.RemoveOldest()
}
if c.b2.Len() > c.p {
c.b2.RemoveOldest()
}
// Add to the recently seen list
c.t1.Add(key, value)
}
// replace is used to adaptively evict from either T1 or T2
// based on the current learned value of P
func (c *ARCCache[K, V]) replace(b2ContainsKey bool) {
t1Len := c.t1.Len()
if t1Len > 0 && (t1Len > c.p || (t1Len == c.p && b2ContainsKey)) {
k, _, ok := c.t1.RemoveOldest()
if ok {
var empty V
c.b1.Add(k, empty)
}
} else {
k, _, ok := c.t2.RemoveOldest()
if ok {
var empty V
c.b2.Add(k, empty)
}
}
}
// Len returns the number of cached entries
func (c *ARCCache[K, V]) Len() int {
c.lock.RLock()
defer c.lock.RUnlock()
return c.t1.Len() + c.t2.Len()
}
// Keys returns all the cached keys
func (c *ARCCache[K, V]) Keys() []K {
c.lock.RLock()
defer c.lock.RUnlock()
k1 := c.t1.Keys()
k2 := c.t2.Keys()
return append(k1, k2...)
}
// Remove is used to purge a key from the cache
func (c *ARCCache[K, V]) Remove(key K) {
c.lock.Lock()
defer c.lock.Unlock()
if c.t1.Remove(key) {
return
}
if c.t2.Remove(key) {
return
}
if c.b1.Remove(key) {
return
}
if c.b2.Remove(key) {
return
}
}
// Purge is used to clear the cache
func (c *ARCCache[K, V]) Purge() {
c.lock.Lock()
defer c.lock.Unlock()
c.t1.Purge()
c.t2.Purge()
c.b1.Purge()
c.b2.Purge()
}
// Contains is used to check if the cache contains a key
// without updating recency or frequency.
func (c *ARCCache[K, V]) Contains(key K) bool {
c.lock.RLock()
defer c.lock.RUnlock()
return c.t1.Contains(key) || c.t2.Contains(key)
}
// Peek is used to inspect the cache value of a key
// without updating recency or frequency.
func (c *ARCCache[K, V]) Peek(key K) (value V, ok bool) {
c.lock.RLock()
defer c.lock.RUnlock()
if val, ok := c.t1.Peek(key); ok {
return val, ok
}
return c.t2.Peek(key)
}

21
vendor/github.com/hashicorp/golang-lru/v2/doc.go generated vendored Normal file
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// Package lru provides three different LRU caches of varying sophistication.
//
// Cache is a simple LRU cache. It is based on the
// LRU implementation in groupcache:
// https://github.com/golang/groupcache/tree/master/lru
//
// TwoQueueCache tracks frequently used and recently used entries separately.
// This avoids a burst of accesses from taking out frequently used entries,
// at the cost of about 2x computational overhead and some extra bookkeeping.
//
// ARCCache is an adaptive replacement cache. It tracks recent evictions as
// well as recent usage in both the frequent and recent caches. Its
// computational overhead is comparable to TwoQueueCache, but the memory
// overhead is linear with the size of the cache.
//
// ARC has been patented by IBM, so do not use it if that is problematic for
// your program.
//
// All caches in this package take locks while operating, and are therefore
// thread-safe for consumers.
package lru

239
vendor/github.com/hashicorp/golang-lru/v2/lru.go generated vendored Normal file
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package lru
import (
"sync"
"github.com/hashicorp/golang-lru/v2/simplelru"
)
const (
// DefaultEvictedBufferSize defines the default buffer size to store evicted key/val
DefaultEvictedBufferSize = 16
)
// Cache is a thread-safe fixed size LRU cache.
type Cache[K comparable, V any] struct {
lru *simplelru.LRU[K, V]
evictedKeys []K
evictedVals []V
onEvictedCB func(k K, v V)
lock sync.RWMutex
}
// New creates an LRU of the given size.
func New[K comparable, V any](size int) (*Cache[K, V], error) {
return NewWithEvict[K, V](size, nil)
}
// NewWithEvict constructs a fixed size cache with the given eviction
// callback.
func NewWithEvict[K comparable, V any](size int, onEvicted func(key K, value V)) (c *Cache[K, V], err error) {
// create a cache with default settings
c = &Cache[K, V]{
onEvictedCB: onEvicted,
}
if onEvicted != nil {
c.initEvictBuffers()
onEvicted = c.onEvicted
}
c.lru, err = simplelru.NewLRU(size, onEvicted)
return
}
func (c *Cache[K, V]) initEvictBuffers() {
c.evictedKeys = make([]K, 0, DefaultEvictedBufferSize)
c.evictedVals = make([]V, 0, DefaultEvictedBufferSize)
}
// onEvicted save evicted key/val and sent in externally registered callback
// outside of critical section
func (c *Cache[K, V]) onEvicted(k K, v V) {
c.evictedKeys = append(c.evictedKeys, k)
c.evictedVals = append(c.evictedVals, v)
}
// Purge is used to completely clear the cache.
func (c *Cache[K, V]) Purge() {
var ks []K
var vs []V
c.lock.Lock()
c.lru.Purge()
if c.onEvictedCB != nil && len(c.evictedKeys) > 0 {
ks, vs = c.evictedKeys, c.evictedVals
c.initEvictBuffers()
}
c.lock.Unlock()
// invoke callback outside of critical section
if c.onEvictedCB != nil {
for i := 0; i < len(ks); i++ {
c.onEvictedCB(ks[i], vs[i])
}
}
}
// Add adds a value to the cache. Returns true if an eviction occurred.
func (c *Cache[K, V]) Add(key K, value V) (evicted bool) {
var k K
var v V
c.lock.Lock()
evicted = c.lru.Add(key, value)
if c.onEvictedCB != nil && evicted {
k, v = c.evictedKeys[0], c.evictedVals[0]
c.evictedKeys, c.evictedVals = c.evictedKeys[:0], c.evictedVals[:0]
}
c.lock.Unlock()
if c.onEvictedCB != nil && evicted {
c.onEvictedCB(k, v)
}
return
}
// Get looks up a key's value from the cache.
func (c *Cache[K, V]) Get(key K) (value V, ok bool) {
c.lock.Lock()
value, ok = c.lru.Get(key)
c.lock.Unlock()
return value, ok
}
// Contains checks if a key is in the cache, without updating the
// recent-ness or deleting it for being stale.
func (c *Cache[K, V]) Contains(key K) bool {
c.lock.RLock()
containKey := c.lru.Contains(key)
c.lock.RUnlock()
return containKey
}
// Peek returns the key value (or undefined if not found) without updating
// the "recently used"-ness of the key.
func (c *Cache[K, V]) Peek(key K) (value V, ok bool) {
c.lock.RLock()
value, ok = c.lru.Peek(key)
c.lock.RUnlock()
return value, ok
}
// ContainsOrAdd checks if a key is in the cache without updating the
// recent-ness or deleting it for being stale, and if not, adds the value.
// Returns whether found and whether an eviction occurred.
func (c *Cache[K, V]) ContainsOrAdd(key K, value V) (ok, evicted bool) {
var k K
var v V
c.lock.Lock()
if c.lru.Contains(key) {
c.lock.Unlock()
return true, false
}
evicted = c.lru.Add(key, value)
if c.onEvictedCB != nil && evicted {
k, v = c.evictedKeys[0], c.evictedVals[0]
c.evictedKeys, c.evictedVals = c.evictedKeys[:0], c.evictedVals[:0]
}
c.lock.Unlock()
if c.onEvictedCB != nil && evicted {
c.onEvictedCB(k, v)
}
return false, evicted
}
// PeekOrAdd checks if a key is in the cache without updating the
// recent-ness or deleting it for being stale, and if not, adds the value.
// Returns whether found and whether an eviction occurred.
func (c *Cache[K, V]) PeekOrAdd(key K, value V) (previous V, ok, evicted bool) {
var k K
var v V
c.lock.Lock()
previous, ok = c.lru.Peek(key)
if ok {
c.lock.Unlock()
return previous, true, false
}
evicted = c.lru.Add(key, value)
if c.onEvictedCB != nil && evicted {
k, v = c.evictedKeys[0], c.evictedVals[0]
c.evictedKeys, c.evictedVals = c.evictedKeys[:0], c.evictedVals[:0]
}
c.lock.Unlock()
if c.onEvictedCB != nil && evicted {
c.onEvictedCB(k, v)
}
return
}
// Remove removes the provided key from the cache.
func (c *Cache[K, V]) Remove(key K) (present bool) {
var k K
var v V
c.lock.Lock()
present = c.lru.Remove(key)
if c.onEvictedCB != nil && present {
k, v = c.evictedKeys[0], c.evictedVals[0]
c.evictedKeys, c.evictedVals = c.evictedKeys[:0], c.evictedVals[:0]
}
c.lock.Unlock()
if c.onEvictedCB != nil && present {
c.onEvictedCB(k, v)
}
return
}
// Resize changes the cache size.
func (c *Cache[K, V]) Resize(size int) (evicted int) {
var ks []K
var vs []V
c.lock.Lock()
evicted = c.lru.Resize(size)
if c.onEvictedCB != nil && evicted > 0 {
ks, vs = c.evictedKeys, c.evictedVals
c.initEvictBuffers()
}
c.lock.Unlock()
if c.onEvictedCB != nil && evicted > 0 {
for i := 0; i < len(ks); i++ {
c.onEvictedCB(ks[i], vs[i])
}
}
return evicted
}
// RemoveOldest removes the oldest item from the cache.
func (c *Cache[K, V]) RemoveOldest() (key K, value V, ok bool) {
var k K
var v V
c.lock.Lock()
key, value, ok = c.lru.RemoveOldest()
if c.onEvictedCB != nil && ok {
k, v = c.evictedKeys[0], c.evictedVals[0]
c.evictedKeys, c.evictedVals = c.evictedKeys[:0], c.evictedVals[:0]
}
c.lock.Unlock()
if c.onEvictedCB != nil && ok {
c.onEvictedCB(k, v)
}
return
}
// GetOldest returns the oldest entry
func (c *Cache[K, V]) GetOldest() (key K, value V, ok bool) {
c.lock.RLock()
key, value, ok = c.lru.GetOldest()
c.lock.RUnlock()
return
}
// Keys returns a slice of the keys in the cache, from oldest to newest.
func (c *Cache[K, V]) Keys() []K {
c.lock.RLock()
keys := c.lru.Keys()
c.lock.RUnlock()
return keys
}
// Len returns the number of items in the cache.
func (c *Cache[K, V]) Len() int {
c.lock.RLock()
length := c.lru.Len()
c.lock.RUnlock()
return length
}

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This license applies to simplelru/list.go
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE_list file.
package simplelru
// entry is an LRU entry
type entry[K comparable, V any] struct {
// Next and previous pointers in the doubly-linked list of elements.
// To simplify the implementation, internally a list l is implemented
// as a ring, such that &l.root is both the next element of the last
// list element (l.Back()) and the previous element of the first list
// element (l.Front()).
next, prev *entry[K, V]
// The list to which this element belongs.
list *lruList[K, V]
// The LRU key of this element.
key K
// The value stored with this element.
value V
}
// prevEntry returns the previous list element or nil.
func (e *entry[K, V]) prevEntry() *entry[K, V] {
if p := e.prev; e.list != nil && p != &e.list.root {
return p
}
return nil
}
// lruList represents a doubly linked list.
// The zero value for lruList is an empty list ready to use.
type lruList[K comparable, V any] struct {
root entry[K, V] // sentinel list element, only &root, root.prev, and root.next are used
len int // current list length excluding (this) sentinel element
}
// init initializes or clears list l.
func (l *lruList[K, V]) init() *lruList[K, V] {
l.root.next = &l.root
l.root.prev = &l.root
l.len = 0
return l
}
// newList returns an initialized list.
func newList[K comparable, V any]() *lruList[K, V] { return new(lruList[K, V]).init() }
// length returns the number of elements of list l.
// The complexity is O(1).
func (l *lruList[K, V]) length() int { return l.len }
// back returns the last element of list l or nil if the list is empty.
func (l *lruList[K, V]) back() *entry[K, V] {
if l.len == 0 {
return nil
}
return l.root.prev
}
// lazyInit lazily initializes a zero List value.
func (l *lruList[K, V]) lazyInit() {
if l.root.next == nil {
l.init()
}
}
// insert inserts e after at, increments l.len, and returns e.
func (l *lruList[K, V]) insert(e, at *entry[K, V]) *entry[K, V] {
e.prev = at
e.next = at.next
e.prev.next = e
e.next.prev = e
e.list = l
l.len++
return e
}
// insertValue is a convenience wrapper for insert(&Element{Value: v}, at).
func (l *lruList[K, V]) insertValue(k K, v V, at *entry[K, V]) *entry[K, V] {
return l.insert(&entry[K, V]{value: v, key: k}, at)
}
// remove removes e from its list, decrements l.len
func (l *lruList[K, V]) remove(e *entry[K, V]) V {
e.prev.next = e.next
e.next.prev = e.prev
e.next = nil // avoid memory leaks
e.prev = nil // avoid memory leaks
e.list = nil
l.len--
return e.value
}
// move moves e to next to at.
func (l *lruList[K, V]) move(e, at *entry[K, V]) {
if e == at {
return
}
e.prev.next = e.next
e.next.prev = e.prev
e.prev = at
e.next = at.next
e.prev.next = e
e.next.prev = e
}
// pushFront inserts a new element e with value v at the front of list l and returns e.
func (l *lruList[K, V]) pushFront(k K, v V) *entry[K, V] {
l.lazyInit()
return l.insertValue(k, v, &l.root)
}
// moveToFront moves element e to the front of list l.
// If e is not an element of l, the list is not modified.
// The element must not be nil.
func (l *lruList[K, V]) moveToFront(e *entry[K, V]) {
if e.list != l || l.root.next == e {
return
}
// see comment in List.Remove about initialization of l
l.move(e, &l.root)
}

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@ -0,0 +1,164 @@
package simplelru
import (
"errors"
)
// EvictCallback is used to get a callback when a cache entry is evicted
type EvictCallback[K comparable, V any] func(key K, value V)
// LRU implements a non-thread safe fixed size LRU cache
type LRU[K comparable, V any] struct {
size int
evictList *lruList[K, V]
items map[K]*entry[K, V]
onEvict EvictCallback[K, V]
}
// NewLRU constructs an LRU of the given size
func NewLRU[K comparable, V any](size int, onEvict EvictCallback[K, V]) (*LRU[K, V], error) {
if size <= 0 {
return nil, errors.New("must provide a positive size")
}
c := &LRU[K, V]{
size: size,
evictList: newList[K, V](),
items: make(map[K]*entry[K, V]),
onEvict: onEvict,
}
return c, nil
}
// Purge is used to completely clear the cache.
func (c *LRU[K, V]) Purge() {
for k, v := range c.items {
if c.onEvict != nil {
c.onEvict(k, v.value)
}
delete(c.items, k)
}
c.evictList.init()
}
// Add adds a value to the cache. Returns true if an eviction occurred.
func (c *LRU[K, V]) Add(key K, value V) (evicted bool) {
// Check for existing item
if ent, ok := c.items[key]; ok {
c.evictList.moveToFront(ent)
ent.value = value
return false
}
// Add new item
ent := c.evictList.pushFront(key, value)
c.items[key] = ent
evict := c.evictList.length() > c.size
// Verify size not exceeded
if evict {
c.removeOldest()
}
return evict
}
// Get looks up a key's value from the cache.
func (c *LRU[K, V]) Get(key K) (value V, ok bool) {
if ent, ok := c.items[key]; ok {
c.evictList.moveToFront(ent)
return ent.value, true
}
return
}
// Contains checks if a key is in the cache, without updating the recent-ness
// or deleting it for being stale.
func (c *LRU[K, V]) Contains(key K) (ok bool) {
_, ok = c.items[key]
return ok
}
// Peek returns the key value (or undefined if not found) without updating
// the "recently used"-ness of the key.
func (c *LRU[K, V]) Peek(key K) (value V, ok bool) {
var ent *entry[K, V]
if ent, ok = c.items[key]; ok {
return ent.value, true
}
return
}
// Remove removes the provided key from the cache, returning if the
// key was contained.
func (c *LRU[K, V]) Remove(key K) (present bool) {
if ent, ok := c.items[key]; ok {
c.removeElement(ent)
return true
}
return false
}
// RemoveOldest removes the oldest item from the cache.
func (c *LRU[K, V]) RemoveOldest() (key K, value V, ok bool) {
ent := c.evictList.back()
if ent != nil {
c.removeElement(ent)
return ent.key, ent.value, true
}
return
}
// GetOldest returns the oldest entry
func (c *LRU[K, V]) GetOldest() (key K, value V, ok bool) {
ent := c.evictList.back()
if ent != nil {
return ent.key, ent.value, true
}
return
}
// Keys returns a slice of the keys in the cache, from oldest to newest.
func (c *LRU[K, V]) Keys() []K {
keys := make([]K, c.evictList.length())
i := 0
for ent := c.evictList.back(); ent != nil; ent = ent.prevEntry() {
keys[i] = ent.key
i++
}
return keys
}
// Len returns the number of items in the cache.
func (c *LRU[K, V]) Len() int {
return c.evictList.length()
}
// Resize changes the cache size.
func (c *LRU[K, V]) Resize(size int) (evicted int) {
diff := c.Len() - size
if diff < 0 {
diff = 0
}
for i := 0; i < diff; i++ {
c.removeOldest()
}
c.size = size
return diff
}
// removeOldest removes the oldest item from the cache.
func (c *LRU[K, V]) removeOldest() {
ent := c.evictList.back()
if ent != nil {
c.removeElement(ent)
}
}
// removeElement is used to remove a given list element from the cache
func (c *LRU[K, V]) removeElement(e *entry[K, V]) {
c.evictList.remove(e)
delete(c.items, e.key)
if c.onEvict != nil {
c.onEvict(e.key, e.value)
}
}

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@ -0,0 +1,40 @@
// Package simplelru provides simple LRU implementation based on build-in container/list.
package simplelru
// LRUCache is the interface for simple LRU cache.
type LRUCache[K comparable, V any] interface {
// Adds a value to the cache, returns true if an eviction occurred and
// updates the "recently used"-ness of the key.
Add(key K, value V) bool
// Returns key's value from the cache and
// updates the "recently used"-ness of the key. #value, isFound
Get(key K) (value V, ok bool)
// Checks if a key exists in cache without updating the recent-ness.
Contains(key K) (ok bool)
// Returns key's value without updating the "recently used"-ness of the key.
Peek(key K) (value V, ok bool)
// Removes a key from the cache.
Remove(key K) bool
// Removes the oldest entry from cache.
RemoveOldest() (K, V, bool)
// Returns the oldest entry from the cache. #key, value, isFound
GetOldest() (K, V, bool)
// Returns a slice of the keys in the cache, from oldest to newest.
Keys() []K
// Returns the number of items in the cache.
Len() int
// Clears all cache entries.
Purge()
// Resizes cache, returning number evicted
Resize(int) int
}

16
vendor/github.com/hashicorp/golang-lru/v2/testing.go generated vendored Normal file
View file

@ -0,0 +1,16 @@
package lru
import (
"crypto/rand"
"math"
"math/big"
"testing"
)
func getRand(tb testing.TB) int64 {
out, err := rand.Int(rand.Reader, big.NewInt(math.MaxInt64))
if err != nil {
tb.Fatal(err)
}
return out.Int64()
}

View file

@ -17,6 +17,24 @@ This package provides various compression algorithms.
# changelog # changelog
* Sept 26, 2022 (v1.15.11)
* flate: Improve level 1-3 compression https://github.com/klauspost/compress/pull/678
* zstd: Improve "best" compression by @nightwolfz in https://github.com/klauspost/compress/pull/677
* zstd: Fix+reduce decompression allocations https://github.com/klauspost/compress/pull/668
* zstd: Fix non-effective noescape tag https://github.com/klauspost/compress/pull/667
* Sept 16, 2022 (v1.15.10)
* zstd: Add [WithDecodeAllCapLimit](https://pkg.go.dev/github.com/klauspost/compress@v1.15.10/zstd#WithDecodeAllCapLimit) https://github.com/klauspost/compress/pull/649
* Add Go 1.19 - deprecate Go 1.16 https://github.com/klauspost/compress/pull/651
* flate: Improve level 5+6 compression https://github.com/klauspost/compress/pull/656
* zstd: Improve "better" compresssion https://github.com/klauspost/compress/pull/657
* s2: Improve "best" compression https://github.com/klauspost/compress/pull/658
* s2: Improve "better" compression. https://github.com/klauspost/compress/pull/635
* s2: Slightly faster non-assembly decompression https://github.com/klauspost/compress/pull/646
* Use arrays for constant size copies https://github.com/klauspost/compress/pull/659
* July 21, 2022 (v1.15.9) * July 21, 2022 (v1.15.9)
* zstd: Fix decoder crash on amd64 (no BMI) on invalid input https://github.com/klauspost/compress/pull/645 * zstd: Fix decoder crash on amd64 (no BMI) on invalid input https://github.com/klauspost/compress/pull/645
@ -97,15 +115,15 @@ This package provides various compression algorithms.
* gzhttp: Add zstd to transport by @klauspost in [#400](https://github.com/klauspost/compress/pull/400) * gzhttp: Add zstd to transport by @klauspost in [#400](https://github.com/klauspost/compress/pull/400)
* gzhttp: Make content-type optional by @klauspost in [#510](https://github.com/klauspost/compress/pull/510) * gzhttp: Make content-type optional by @klauspost in [#510](https://github.com/klauspost/compress/pull/510)
<details>
<summary>See Details</summary>
Both compression and decompression now supports "synchronous" stream operations. This means that whenever "concurrency" is set to 1, they will operate without spawning goroutines. Both compression and decompression now supports "synchronous" stream operations. This means that whenever "concurrency" is set to 1, they will operate without spawning goroutines.
Stream decompression is now faster on asynchronous, since the goroutine allocation much more effectively splits the workload. On typical streams this will typically use 2 cores fully for decompression. When a stream has finished decoding no goroutines will be left over, so decoders can now safely be pooled and still be garbage collected. Stream decompression is now faster on asynchronous, since the goroutine allocation much more effectively splits the workload. On typical streams this will typically use 2 cores fully for decompression. When a stream has finished decoding no goroutines will be left over, so decoders can now safely be pooled and still be garbage collected.
While the release has been extensively tested, it is recommended to testing when upgrading. While the release has been extensively tested, it is recommended to testing when upgrading.
</details>
<details>
<summary>See changes to v1.14.x</summary>
* Feb 22, 2022 (v1.14.4) * Feb 22, 2022 (v1.14.4)
* flate: Fix rare huffman only (-2) corruption. [#503](https://github.com/klauspost/compress/pull/503) * flate: Fix rare huffman only (-2) corruption. [#503](https://github.com/klauspost/compress/pull/503)
* zip: Update deprecated CreateHeaderRaw to correctly call CreateRaw by @saracen in [#502](https://github.com/klauspost/compress/pull/502) * zip: Update deprecated CreateHeaderRaw to correctly call CreateRaw by @saracen in [#502](https://github.com/klauspost/compress/pull/502)
@ -131,6 +149,7 @@ While the release has been extensively tested, it is recommended to testing when
* zstd: Performance improvement in [#420]( https://github.com/klauspost/compress/pull/420) [#456](https://github.com/klauspost/compress/pull/456) [#437](https://github.com/klauspost/compress/pull/437) [#467](https://github.com/klauspost/compress/pull/467) [#468](https://github.com/klauspost/compress/pull/468) * zstd: Performance improvement in [#420]( https://github.com/klauspost/compress/pull/420) [#456](https://github.com/klauspost/compress/pull/456) [#437](https://github.com/klauspost/compress/pull/437) [#467](https://github.com/klauspost/compress/pull/467) [#468](https://github.com/klauspost/compress/pull/468)
* zstd: add arm64 xxhash assembly in [#464](https://github.com/klauspost/compress/pull/464) * zstd: add arm64 xxhash assembly in [#464](https://github.com/klauspost/compress/pull/464)
* Add garbled for binaries for s2 in [#445](https://github.com/klauspost/compress/pull/445) * Add garbled for binaries for s2 in [#445](https://github.com/klauspost/compress/pull/445)
</details>
<details> <details>
<summary>See changes to v1.13.x</summary> <summary>See changes to v1.13.x</summary>

910
vendor/github.com/klauspost/compress/flate/deflate.go generated vendored Normal file
View file

@ -0,0 +1,910 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Copyright (c) 2015 Klaus Post
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
import (
"encoding/binary"
"fmt"
"io"
"math"
)
const (
NoCompression = 0
BestSpeed = 1
BestCompression = 9
DefaultCompression = -1
// HuffmanOnly disables Lempel-Ziv match searching and only performs Huffman
// entropy encoding. This mode is useful in compressing data that has
// already been compressed with an LZ style algorithm (e.g. Snappy or LZ4)
// that lacks an entropy encoder. Compression gains are achieved when
// certain bytes in the input stream occur more frequently than others.
//
// Note that HuffmanOnly produces a compressed output that is
// RFC 1951 compliant. That is, any valid DEFLATE decompressor will
// continue to be able to decompress this output.
HuffmanOnly = -2
ConstantCompression = HuffmanOnly // compatibility alias.
logWindowSize = 15
windowSize = 1 << logWindowSize
windowMask = windowSize - 1
logMaxOffsetSize = 15 // Standard DEFLATE
minMatchLength = 4 // The smallest match that the compressor looks for
maxMatchLength = 258 // The longest match for the compressor
minOffsetSize = 1 // The shortest offset that makes any sense
// The maximum number of tokens we will encode at the time.
// Smaller sizes usually creates less optimal blocks.
// Bigger can make context switching slow.
// We use this for levels 7-9, so we make it big.
maxFlateBlockTokens = 1 << 15
maxStoreBlockSize = 65535
hashBits = 17 // After 17 performance degrades
hashSize = 1 << hashBits
hashMask = (1 << hashBits) - 1
hashShift = (hashBits + minMatchLength - 1) / minMatchLength
maxHashOffset = 1 << 28
skipNever = math.MaxInt32
debugDeflate = false
)
type compressionLevel struct {
good, lazy, nice, chain, fastSkipHashing, level int
}
// Compression levels have been rebalanced from zlib deflate defaults
// to give a bigger spread in speed and compression.
// See https://blog.klauspost.com/rebalancing-deflate-compression-levels/
var levels = []compressionLevel{
{}, // 0
// Level 1-6 uses specialized algorithm - values not used
{0, 0, 0, 0, 0, 1},
{0, 0, 0, 0, 0, 2},
{0, 0, 0, 0, 0, 3},
{0, 0, 0, 0, 0, 4},
{0, 0, 0, 0, 0, 5},
{0, 0, 0, 0, 0, 6},
// Levels 7-9 use increasingly more lazy matching
// and increasingly stringent conditions for "good enough".
{8, 12, 16, 24, skipNever, 7},
{16, 30, 40, 64, skipNever, 8},
{32, 258, 258, 1024, skipNever, 9},
}
// advancedState contains state for the advanced levels, with bigger hash tables, etc.
type advancedState struct {
// deflate state
length int
offset int
maxInsertIndex int
chainHead int
hashOffset int
ii uint16 // position of last match, intended to overflow to reset.
// input window: unprocessed data is window[index:windowEnd]
index int
estBitsPerByte int
hashMatch [maxMatchLength + minMatchLength]uint32
// Input hash chains
// hashHead[hashValue] contains the largest inputIndex with the specified hash value
// If hashHead[hashValue] is within the current window, then
// hashPrev[hashHead[hashValue] & windowMask] contains the previous index
// with the same hash value.
hashHead [hashSize]uint32
hashPrev [windowSize]uint32
}
type compressor struct {
compressionLevel
h *huffmanEncoder
w *huffmanBitWriter
// compression algorithm
fill func(*compressor, []byte) int // copy data to window
step func(*compressor) // process window
window []byte
windowEnd int
blockStart int // window index where current tokens start
err error
// queued output tokens
tokens tokens
fast fastEnc
state *advancedState
sync bool // requesting flush
byteAvailable bool // if true, still need to process window[index-1].
}
func (d *compressor) fillDeflate(b []byte) int {
s := d.state
if s.index >= 2*windowSize-(minMatchLength+maxMatchLength) {
// shift the window by windowSize
//copy(d.window[:], d.window[windowSize:2*windowSize])
*(*[windowSize]byte)(d.window) = *(*[windowSize]byte)(d.window[windowSize:])
s.index -= windowSize
d.windowEnd -= windowSize
if d.blockStart >= windowSize {
d.blockStart -= windowSize
} else {
d.blockStart = math.MaxInt32
}
s.hashOffset += windowSize
if s.hashOffset > maxHashOffset {
delta := s.hashOffset - 1
s.hashOffset -= delta
s.chainHead -= delta
// Iterate over slices instead of arrays to avoid copying
// the entire table onto the stack (Issue #18625).
for i, v := range s.hashPrev[:] {
if int(v) > delta {
s.hashPrev[i] = uint32(int(v) - delta)
} else {
s.hashPrev[i] = 0
}
}
for i, v := range s.hashHead[:] {
if int(v) > delta {
s.hashHead[i] = uint32(int(v) - delta)
} else {
s.hashHead[i] = 0
}
}
}
}
n := copy(d.window[d.windowEnd:], b)
d.windowEnd += n
return n
}
func (d *compressor) writeBlock(tok *tokens, index int, eof bool) error {
if index > 0 || eof {
var window []byte
if d.blockStart <= index {
window = d.window[d.blockStart:index]
}
d.blockStart = index
//d.w.writeBlock(tok, eof, window)
d.w.writeBlockDynamic(tok, eof, window, d.sync)
return d.w.err
}
return nil
}
// writeBlockSkip writes the current block and uses the number of tokens
// to determine if the block should be stored on no matches, or
// only huffman encoded.
func (d *compressor) writeBlockSkip(tok *tokens, index int, eof bool) error {
if index > 0 || eof {
if d.blockStart <= index {
window := d.window[d.blockStart:index]
// If we removed less than a 64th of all literals
// we huffman compress the block.
if int(tok.n) > len(window)-int(tok.n>>6) {
d.w.writeBlockHuff(eof, window, d.sync)
} else {
// Write a dynamic huffman block.
d.w.writeBlockDynamic(tok, eof, window, d.sync)
}
} else {
d.w.writeBlock(tok, eof, nil)
}
d.blockStart = index
return d.w.err
}
return nil
}
// fillWindow will fill the current window with the supplied
// dictionary and calculate all hashes.
// This is much faster than doing a full encode.
// Should only be used after a start/reset.
func (d *compressor) fillWindow(b []byte) {
// Do not fill window if we are in store-only or huffman mode.
if d.level <= 0 {
return
}
if d.fast != nil {
// encode the last data, but discard the result
if len(b) > maxMatchOffset {
b = b[len(b)-maxMatchOffset:]
}
d.fast.Encode(&d.tokens, b)
d.tokens.Reset()
return
}
s := d.state
// If we are given too much, cut it.
if len(b) > windowSize {
b = b[len(b)-windowSize:]
}
// Add all to window.
n := copy(d.window[d.windowEnd:], b)
// Calculate 256 hashes at the time (more L1 cache hits)
loops := (n + 256 - minMatchLength) / 256
for j := 0; j < loops; j++ {
startindex := j * 256
end := startindex + 256 + minMatchLength - 1
if end > n {
end = n
}
tocheck := d.window[startindex:end]
dstSize := len(tocheck) - minMatchLength + 1
if dstSize <= 0 {
continue
}
dst := s.hashMatch[:dstSize]
bulkHash4(tocheck, dst)
var newH uint32
for i, val := range dst {
di := i + startindex
newH = val & hashMask
// Get previous value with the same hash.
// Our chain should point to the previous value.
s.hashPrev[di&windowMask] = s.hashHead[newH]
// Set the head of the hash chain to us.
s.hashHead[newH] = uint32(di + s.hashOffset)
}
}
// Update window information.
d.windowEnd += n
s.index = n
}
// Try to find a match starting at index whose length is greater than prevSize.
// We only look at chainCount possibilities before giving up.
// pos = s.index, prevHead = s.chainHead-s.hashOffset, prevLength=minMatchLength-1, lookahead
func (d *compressor) findMatch(pos int, prevHead int, lookahead int) (length, offset int, ok bool) {
minMatchLook := maxMatchLength
if lookahead < minMatchLook {
minMatchLook = lookahead
}
win := d.window[0 : pos+minMatchLook]
// We quit when we get a match that's at least nice long
nice := len(win) - pos
if d.nice < nice {
nice = d.nice
}
// If we've got a match that's good enough, only look in 1/4 the chain.
tries := d.chain
length = minMatchLength - 1
wEnd := win[pos+length]
wPos := win[pos:]
minIndex := pos - windowSize
if minIndex < 0 {
minIndex = 0
}
offset = 0
cGain := 0
if d.chain < 100 {
for i := prevHead; tries > 0; tries-- {
if wEnd == win[i+length] {
n := matchLen(win[i:i+minMatchLook], wPos)
if n > length {
length = n
offset = pos - i
ok = true
if n >= nice {
// The match is good enough that we don't try to find a better one.
break
}
wEnd = win[pos+n]
}
}
if i <= minIndex {
// hashPrev[i & windowMask] has already been overwritten, so stop now.
break
}
i = int(d.state.hashPrev[i&windowMask]) - d.state.hashOffset
if i < minIndex {
break
}
}
return
}
// Some like it higher (CSV), some like it lower (JSON)
const baseCost = 6
// Base is 4 bytes at with an additional cost.
// Matches must be better than this.
for i := prevHead; tries > 0; tries-- {
if wEnd == win[i+length] {
n := matchLen(win[i:i+minMatchLook], wPos)
if n > length {
// Calculate gain. Estimate
newGain := d.h.bitLengthRaw(wPos[:n]) - int(offsetExtraBits[offsetCode(uint32(pos-i))]) - baseCost - int(lengthExtraBits[lengthCodes[(n-3)&255]])
//fmt.Println(n, "gain:", newGain, "prev:", cGain, "raw:", d.h.bitLengthRaw(wPos[:n]))
if newGain > cGain {
length = n
offset = pos - i
cGain = newGain
ok = true
if n >= nice {
// The match is good enough that we don't try to find a better one.
break
}
wEnd = win[pos+n]
}
}
}
if i <= minIndex {
// hashPrev[i & windowMask] has already been overwritten, so stop now.
break
}
i = int(d.state.hashPrev[i&windowMask]) - d.state.hashOffset
if i < minIndex {
break
}
}
return
}
func (d *compressor) writeStoredBlock(buf []byte) error {
if d.w.writeStoredHeader(len(buf), false); d.w.err != nil {
return d.w.err
}
d.w.writeBytes(buf)
return d.w.err
}
// hash4 returns a hash representation of the first 4 bytes
// of the supplied slice.
// The caller must ensure that len(b) >= 4.
func hash4(b []byte) uint32 {
return hash4u(binary.LittleEndian.Uint32(b), hashBits)
}
// hash4 returns the hash of u to fit in a hash table with h bits.
// Preferably h should be a constant and should always be <32.
func hash4u(u uint32, h uint8) uint32 {
return (u * prime4bytes) >> (32 - h)
}
// bulkHash4 will compute hashes using the same
// algorithm as hash4
func bulkHash4(b []byte, dst []uint32) {
if len(b) < 4 {
return
}
hb := binary.LittleEndian.Uint32(b)
dst[0] = hash4u(hb, hashBits)
end := len(b) - 4 + 1
for i := 1; i < end; i++ {
hb = (hb >> 8) | uint32(b[i+3])<<24
dst[i] = hash4u(hb, hashBits)
}
}
func (d *compressor) initDeflate() {
d.window = make([]byte, 2*windowSize)
d.byteAvailable = false
d.err = nil
if d.state == nil {
return
}
s := d.state
s.index = 0
s.hashOffset = 1
s.length = minMatchLength - 1
s.offset = 0
s.chainHead = -1
}
// deflateLazy is the same as deflate, but with d.fastSkipHashing == skipNever,
// meaning it always has lazy matching on.
func (d *compressor) deflateLazy() {
s := d.state
// Sanity enables additional runtime tests.
// It's intended to be used during development
// to supplement the currently ad-hoc unit tests.
const sanity = debugDeflate
if d.windowEnd-s.index < minMatchLength+maxMatchLength && !d.sync {
return
}
if d.windowEnd != s.index && d.chain > 100 {
// Get literal huffman coder.
if d.h == nil {
d.h = newHuffmanEncoder(maxFlateBlockTokens)
}
var tmp [256]uint16
for _, v := range d.window[s.index:d.windowEnd] {
tmp[v]++
}
d.h.generate(tmp[:], 15)
}
s.maxInsertIndex = d.windowEnd - (minMatchLength - 1)
for {
if sanity && s.index > d.windowEnd {
panic("index > windowEnd")
}
lookahead := d.windowEnd - s.index
if lookahead < minMatchLength+maxMatchLength {
if !d.sync {
return
}
if sanity && s.index > d.windowEnd {
panic("index > windowEnd")
}
if lookahead == 0 {
// Flush current output block if any.
if d.byteAvailable {
// There is still one pending token that needs to be flushed
d.tokens.AddLiteral(d.window[s.index-1])
d.byteAvailable = false
}
if d.tokens.n > 0 {
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
return
}
d.tokens.Reset()
}
return
}
}
if s.index < s.maxInsertIndex {
// Update the hash
hash := hash4(d.window[s.index:])
ch := s.hashHead[hash]
s.chainHead = int(ch)
s.hashPrev[s.index&windowMask] = ch
s.hashHead[hash] = uint32(s.index + s.hashOffset)
}
prevLength := s.length
prevOffset := s.offset
s.length = minMatchLength - 1
s.offset = 0
minIndex := s.index - windowSize
if minIndex < 0 {
minIndex = 0
}
if s.chainHead-s.hashOffset >= minIndex && lookahead > prevLength && prevLength < d.lazy {
if newLength, newOffset, ok := d.findMatch(s.index, s.chainHead-s.hashOffset, lookahead); ok {
s.length = newLength
s.offset = newOffset
}
}
if prevLength >= minMatchLength && s.length <= prevLength {
// Check for better match at end...
//
// checkOff must be >=2 since we otherwise risk checking s.index
// Offset of 2 seems to yield best results.
const checkOff = 2
prevIndex := s.index - 1
if prevIndex+prevLength+checkOff < s.maxInsertIndex {
end := lookahead
if lookahead > maxMatchLength {
end = maxMatchLength
}
end += prevIndex
idx := prevIndex + prevLength - (4 - checkOff)
h := hash4(d.window[idx:])
ch2 := int(s.hashHead[h]) - s.hashOffset - prevLength + (4 - checkOff)
if ch2 > minIndex {
length := matchLen(d.window[prevIndex:end], d.window[ch2:])
// It seems like a pure length metric is best.
if length > prevLength {
prevLength = length
prevOffset = prevIndex - ch2
}
}
}
// There was a match at the previous step, and the current match is
// not better. Output the previous match.
d.tokens.AddMatch(uint32(prevLength-3), uint32(prevOffset-minOffsetSize))
// Insert in the hash table all strings up to the end of the match.
// index and index-1 are already inserted. If there is not enough
// lookahead, the last two strings are not inserted into the hash
// table.
newIndex := s.index + prevLength - 1
// Calculate missing hashes
end := newIndex
if end > s.maxInsertIndex {
end = s.maxInsertIndex
}
end += minMatchLength - 1
startindex := s.index + 1
if startindex > s.maxInsertIndex {
startindex = s.maxInsertIndex
}
tocheck := d.window[startindex:end]
dstSize := len(tocheck) - minMatchLength + 1
if dstSize > 0 {
dst := s.hashMatch[:dstSize]
bulkHash4(tocheck, dst)
var newH uint32
for i, val := range dst {
di := i + startindex
newH = val & hashMask
// Get previous value with the same hash.
// Our chain should point to the previous value.
s.hashPrev[di&windowMask] = s.hashHead[newH]
// Set the head of the hash chain to us.
s.hashHead[newH] = uint32(di + s.hashOffset)
}
}
s.index = newIndex
d.byteAvailable = false
s.length = minMatchLength - 1
if d.tokens.n == maxFlateBlockTokens {
// The block includes the current character
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
return
}
d.tokens.Reset()
}
s.ii = 0
} else {
// Reset, if we got a match this run.
if s.length >= minMatchLength {
s.ii = 0
}
// We have a byte waiting. Emit it.
if d.byteAvailable {
s.ii++
d.tokens.AddLiteral(d.window[s.index-1])
if d.tokens.n == maxFlateBlockTokens {
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
return
}
d.tokens.Reset()
}
s.index++
// If we have a long run of no matches, skip additional bytes
// Resets when s.ii overflows after 64KB.
if n := int(s.ii) - d.chain; n > 0 {
n = 1 + int(n>>6)
for j := 0; j < n; j++ {
if s.index >= d.windowEnd-1 {
break
}
d.tokens.AddLiteral(d.window[s.index-1])
if d.tokens.n == maxFlateBlockTokens {
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
return
}
d.tokens.Reset()
}
// Index...
if s.index < s.maxInsertIndex {
h := hash4(d.window[s.index:])
ch := s.hashHead[h]
s.chainHead = int(ch)
s.hashPrev[s.index&windowMask] = ch
s.hashHead[h] = uint32(s.index + s.hashOffset)
}
s.index++
}
// Flush last byte
d.tokens.AddLiteral(d.window[s.index-1])
d.byteAvailable = false
// s.length = minMatchLength - 1 // not needed, since s.ii is reset above, so it should never be > minMatchLength
if d.tokens.n == maxFlateBlockTokens {
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
return
}
d.tokens.Reset()
}
}
} else {
s.index++
d.byteAvailable = true
}
}
}
}
func (d *compressor) store() {
if d.windowEnd > 0 && (d.windowEnd == maxStoreBlockSize || d.sync) {
d.err = d.writeStoredBlock(d.window[:d.windowEnd])
d.windowEnd = 0
}
}
// fillWindow will fill the buffer with data for huffman-only compression.
// The number of bytes copied is returned.
func (d *compressor) fillBlock(b []byte) int {
n := copy(d.window[d.windowEnd:], b)
d.windowEnd += n
return n
}
// storeHuff will compress and store the currently added data,
// if enough has been accumulated or we at the end of the stream.
// Any error that occurred will be in d.err
func (d *compressor) storeHuff() {
if d.windowEnd < len(d.window) && !d.sync || d.windowEnd == 0 {
return
}
d.w.writeBlockHuff(false, d.window[:d.windowEnd], d.sync)
d.err = d.w.err
d.windowEnd = 0
}
// storeFast will compress and store the currently added data,
// if enough has been accumulated or we at the end of the stream.
// Any error that occurred will be in d.err
func (d *compressor) storeFast() {
// We only compress if we have maxStoreBlockSize.
if d.windowEnd < len(d.window) {
if !d.sync {
return
}
// Handle extremely small sizes.
if d.windowEnd < 128 {
if d.windowEnd == 0 {
return
}
if d.windowEnd <= 32 {
d.err = d.writeStoredBlock(d.window[:d.windowEnd])
} else {
d.w.writeBlockHuff(false, d.window[:d.windowEnd], true)
d.err = d.w.err
}
d.tokens.Reset()
d.windowEnd = 0
d.fast.Reset()
return
}
}
d.fast.Encode(&d.tokens, d.window[:d.windowEnd])
// If we made zero matches, store the block as is.
if d.tokens.n == 0 {
d.err = d.writeStoredBlock(d.window[:d.windowEnd])
// If we removed less than 1/16th, huffman compress the block.
} else if int(d.tokens.n) > d.windowEnd-(d.windowEnd>>4) {
d.w.writeBlockHuff(false, d.window[:d.windowEnd], d.sync)
d.err = d.w.err
} else {
d.w.writeBlockDynamic(&d.tokens, false, d.window[:d.windowEnd], d.sync)
d.err = d.w.err
}
d.tokens.Reset()
d.windowEnd = 0
}
// write will add input byte to the stream.
// Unless an error occurs all bytes will be consumed.
func (d *compressor) write(b []byte) (n int, err error) {
if d.err != nil {
return 0, d.err
}
n = len(b)
for len(b) > 0 {
if d.windowEnd == len(d.window) || d.sync {
d.step(d)
}
b = b[d.fill(d, b):]
if d.err != nil {
return 0, d.err
}
}
return n, d.err
}
func (d *compressor) syncFlush() error {
d.sync = true
if d.err != nil {
return d.err
}
d.step(d)
if d.err == nil {
d.w.writeStoredHeader(0, false)
d.w.flush()
d.err = d.w.err
}
d.sync = false
return d.err
}
func (d *compressor) init(w io.Writer, level int) (err error) {
d.w = newHuffmanBitWriter(w)
switch {
case level == NoCompression:
d.window = make([]byte, maxStoreBlockSize)
d.fill = (*compressor).fillBlock
d.step = (*compressor).store
case level == ConstantCompression:
d.w.logNewTablePenalty = 10
d.window = make([]byte, 32<<10)
d.fill = (*compressor).fillBlock
d.step = (*compressor).storeHuff
case level == DefaultCompression:
level = 5
fallthrough
case level >= 1 && level <= 6:
d.w.logNewTablePenalty = 7
d.fast = newFastEnc(level)
d.window = make([]byte, maxStoreBlockSize)
d.fill = (*compressor).fillBlock
d.step = (*compressor).storeFast
case 7 <= level && level <= 9:
d.w.logNewTablePenalty = 8
d.state = &advancedState{}
d.compressionLevel = levels[level]
d.initDeflate()
d.fill = (*compressor).fillDeflate
d.step = (*compressor).deflateLazy
default:
return fmt.Errorf("flate: invalid compression level %d: want value in range [-2, 9]", level)
}
d.level = level
return nil
}
// reset the state of the compressor.
func (d *compressor) reset(w io.Writer) {
d.w.reset(w)
d.sync = false
d.err = nil
// We only need to reset a few things for Snappy.
if d.fast != nil {
d.fast.Reset()
d.windowEnd = 0
d.tokens.Reset()
return
}
switch d.compressionLevel.chain {
case 0:
// level was NoCompression or ConstantCompresssion.
d.windowEnd = 0
default:
s := d.state
s.chainHead = -1
for i := range s.hashHead {
s.hashHead[i] = 0
}
for i := range s.hashPrev {
s.hashPrev[i] = 0
}
s.hashOffset = 1
s.index, d.windowEnd = 0, 0
d.blockStart, d.byteAvailable = 0, false
d.tokens.Reset()
s.length = minMatchLength - 1
s.offset = 0
s.ii = 0
s.maxInsertIndex = 0
}
}
func (d *compressor) close() error {
if d.err != nil {
return d.err
}
d.sync = true
d.step(d)
if d.err != nil {
return d.err
}
if d.w.writeStoredHeader(0, true); d.w.err != nil {
return d.w.err
}
d.w.flush()
d.w.reset(nil)
return d.w.err
}
// NewWriter returns a new Writer compressing data at the given level.
// Following zlib, levels range from 1 (BestSpeed) to 9 (BestCompression);
// higher levels typically run slower but compress more.
// Level 0 (NoCompression) does not attempt any compression; it only adds the
// necessary DEFLATE framing.
// Level -1 (DefaultCompression) uses the default compression level.
// Level -2 (ConstantCompression) will use Huffman compression only, giving
// a very fast compression for all types of input, but sacrificing considerable
// compression efficiency.
//
// If level is in the range [-2, 9] then the error returned will be nil.
// Otherwise the error returned will be non-nil.
func NewWriter(w io.Writer, level int) (*Writer, error) {
var dw Writer
if err := dw.d.init(w, level); err != nil {
return nil, err
}
return &dw, nil
}
// NewWriterDict is like NewWriter but initializes the new
// Writer with a preset dictionary. The returned Writer behaves
// as if the dictionary had been written to it without producing
// any compressed output. The compressed data written to w
// can only be decompressed by a Reader initialized with the
// same dictionary.
func NewWriterDict(w io.Writer, level int, dict []byte) (*Writer, error) {
zw, err := NewWriter(w, level)
if err != nil {
return nil, err
}
zw.d.fillWindow(dict)
zw.dict = append(zw.dict, dict...) // duplicate dictionary for Reset method.
return zw, err
}
// A Writer takes data written to it and writes the compressed
// form of that data to an underlying writer (see NewWriter).
type Writer struct {
d compressor
dict []byte
}
// Write writes data to w, which will eventually write the
// compressed form of data to its underlying writer.
func (w *Writer) Write(data []byte) (n int, err error) {
return w.d.write(data)
}
// Flush flushes any pending data to the underlying writer.
// It is useful mainly in compressed network protocols, to ensure that
// a remote reader has enough data to reconstruct a packet.
// Flush does not return until the data has been written.
// Calling Flush when there is no pending data still causes the Writer
// to emit a sync marker of at least 4 bytes.
// If the underlying writer returns an error, Flush returns that error.
//
// In the terminology of the zlib library, Flush is equivalent to Z_SYNC_FLUSH.
func (w *Writer) Flush() error {
// For more about flushing:
// http://www.bolet.org/~pornin/deflate-flush.html
return w.d.syncFlush()
}
// Close flushes and closes the writer.
func (w *Writer) Close() error {
return w.d.close()
}
// Reset discards the writer's state and makes it equivalent to
// the result of NewWriter or NewWriterDict called with dst
// and w's level and dictionary.
func (w *Writer) Reset(dst io.Writer) {
if len(w.dict) > 0 {
// w was created with NewWriterDict
w.d.reset(dst)
if dst != nil {
w.d.fillWindow(w.dict)
}
} else {
// w was created with NewWriter
w.d.reset(dst)
}
}
// ResetDict discards the writer's state and makes it equivalent to
// the result of NewWriter or NewWriterDict called with dst
// and w's level, but sets a specific dictionary.
func (w *Writer) ResetDict(dst io.Writer, dict []byte) {
w.dict = dict
w.d.reset(dst)
w.d.fillWindow(w.dict)
}

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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
// dictDecoder implements the LZ77 sliding dictionary as used in decompression.
// LZ77 decompresses data through sequences of two forms of commands:
//
// - Literal insertions: Runs of one or more symbols are inserted into the data
// stream as is. This is accomplished through the writeByte method for a
// single symbol, or combinations of writeSlice/writeMark for multiple symbols.
// Any valid stream must start with a literal insertion if no preset dictionary
// is used.
//
// - Backward copies: Runs of one or more symbols are copied from previously
// emitted data. Backward copies come as the tuple (dist, length) where dist
// determines how far back in the stream to copy from and length determines how
// many bytes to copy. Note that it is valid for the length to be greater than
// the distance. Since LZ77 uses forward copies, that situation is used to
// perform a form of run-length encoding on repeated runs of symbols.
// The writeCopy and tryWriteCopy are used to implement this command.
//
// For performance reasons, this implementation performs little to no sanity
// checks about the arguments. As such, the invariants documented for each
// method call must be respected.
type dictDecoder struct {
hist []byte // Sliding window history
// Invariant: 0 <= rdPos <= wrPos <= len(hist)
wrPos int // Current output position in buffer
rdPos int // Have emitted hist[:rdPos] already
full bool // Has a full window length been written yet?
}
// init initializes dictDecoder to have a sliding window dictionary of the given
// size. If a preset dict is provided, it will initialize the dictionary with
// the contents of dict.
func (dd *dictDecoder) init(size int, dict []byte) {
*dd = dictDecoder{hist: dd.hist}
if cap(dd.hist) < size {
dd.hist = make([]byte, size)
}
dd.hist = dd.hist[:size]
if len(dict) > len(dd.hist) {
dict = dict[len(dict)-len(dd.hist):]
}
dd.wrPos = copy(dd.hist, dict)
if dd.wrPos == len(dd.hist) {
dd.wrPos = 0
dd.full = true
}
dd.rdPos = dd.wrPos
}
// histSize reports the total amount of historical data in the dictionary.
func (dd *dictDecoder) histSize() int {
if dd.full {
return len(dd.hist)
}
return dd.wrPos
}
// availRead reports the number of bytes that can be flushed by readFlush.
func (dd *dictDecoder) availRead() int {
return dd.wrPos - dd.rdPos
}
// availWrite reports the available amount of output buffer space.
func (dd *dictDecoder) availWrite() int {
return len(dd.hist) - dd.wrPos
}
// writeSlice returns a slice of the available buffer to write data to.
//
// This invariant will be kept: len(s) <= availWrite()
func (dd *dictDecoder) writeSlice() []byte {
return dd.hist[dd.wrPos:]
}
// writeMark advances the writer pointer by cnt.
//
// This invariant must be kept: 0 <= cnt <= availWrite()
func (dd *dictDecoder) writeMark(cnt int) {
dd.wrPos += cnt
}
// writeByte writes a single byte to the dictionary.
//
// This invariant must be kept: 0 < availWrite()
func (dd *dictDecoder) writeByte(c byte) {
dd.hist[dd.wrPos] = c
dd.wrPos++
}
// writeCopy copies a string at a given (dist, length) to the output.
// This returns the number of bytes copied and may be less than the requested
// length if the available space in the output buffer is too small.
//
// This invariant must be kept: 0 < dist <= histSize()
func (dd *dictDecoder) writeCopy(dist, length int) int {
dstBase := dd.wrPos
dstPos := dstBase
srcPos := dstPos - dist
endPos := dstPos + length
if endPos > len(dd.hist) {
endPos = len(dd.hist)
}
// Copy non-overlapping section after destination position.
//
// This section is non-overlapping in that the copy length for this section
// is always less than or equal to the backwards distance. This can occur
// if a distance refers to data that wraps-around in the buffer.
// Thus, a backwards copy is performed here; that is, the exact bytes in
// the source prior to the copy is placed in the destination.
if srcPos < 0 {
srcPos += len(dd.hist)
dstPos += copy(dd.hist[dstPos:endPos], dd.hist[srcPos:])
srcPos = 0
}
// Copy possibly overlapping section before destination position.
//
// This section can overlap if the copy length for this section is larger
// than the backwards distance. This is allowed by LZ77 so that repeated
// strings can be succinctly represented using (dist, length) pairs.
// Thus, a forwards copy is performed here; that is, the bytes copied is
// possibly dependent on the resulting bytes in the destination as the copy
// progresses along. This is functionally equivalent to the following:
//
// for i := 0; i < endPos-dstPos; i++ {
// dd.hist[dstPos+i] = dd.hist[srcPos+i]
// }
// dstPos = endPos
//
for dstPos < endPos {
dstPos += copy(dd.hist[dstPos:endPos], dd.hist[srcPos:dstPos])
}
dd.wrPos = dstPos
return dstPos - dstBase
}
// tryWriteCopy tries to copy a string at a given (distance, length) to the
// output. This specialized version is optimized for short distances.
//
// This method is designed to be inlined for performance reasons.
//
// This invariant must be kept: 0 < dist <= histSize()
func (dd *dictDecoder) tryWriteCopy(dist, length int) int {
dstPos := dd.wrPos
endPos := dstPos + length
if dstPos < dist || endPos > len(dd.hist) {
return 0
}
dstBase := dstPos
srcPos := dstPos - dist
// Copy possibly overlapping section before destination position.
loop:
dstPos += copy(dd.hist[dstPos:endPos], dd.hist[srcPos:dstPos])
if dstPos < endPos {
goto loop // Avoid for-loop so that this function can be inlined
}
dd.wrPos = dstPos
return dstPos - dstBase
}
// readFlush returns a slice of the historical buffer that is ready to be
// emitted to the user. The data returned by readFlush must be fully consumed
// before calling any other dictDecoder methods.
func (dd *dictDecoder) readFlush() []byte {
toRead := dd.hist[dd.rdPos:dd.wrPos]
dd.rdPos = dd.wrPos
if dd.wrPos == len(dd.hist) {
dd.wrPos, dd.rdPos = 0, 0
dd.full = true
}
return toRead
}

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// Copyright 2011 The Snappy-Go Authors. All rights reserved.
// Modified for deflate by Klaus Post (c) 2015.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
import (
"encoding/binary"
"fmt"
"math/bits"
)
type fastEnc interface {
Encode(dst *tokens, src []byte)
Reset()
}
func newFastEnc(level int) fastEnc {
switch level {
case 1:
return &fastEncL1{fastGen: fastGen{cur: maxStoreBlockSize}}
case 2:
return &fastEncL2{fastGen: fastGen{cur: maxStoreBlockSize}}
case 3:
return &fastEncL3{fastGen: fastGen{cur: maxStoreBlockSize}}
case 4:
return &fastEncL4{fastGen: fastGen{cur: maxStoreBlockSize}}
case 5:
return &fastEncL5{fastGen: fastGen{cur: maxStoreBlockSize}}
case 6:
return &fastEncL6{fastGen: fastGen{cur: maxStoreBlockSize}}
default:
panic("invalid level specified")
}
}
const (
tableBits = 15 // Bits used in the table
tableSize = 1 << tableBits // Size of the table
tableShift = 32 - tableBits // Right-shift to get the tableBits most significant bits of a uint32.
baseMatchOffset = 1 // The smallest match offset
baseMatchLength = 3 // The smallest match length per the RFC section 3.2.5
maxMatchOffset = 1 << 15 // The largest match offset
bTableBits = 17 // Bits used in the big tables
bTableSize = 1 << bTableBits // Size of the table
allocHistory = maxStoreBlockSize * 5 // Size to preallocate for history.
bufferReset = (1 << 31) - allocHistory - maxStoreBlockSize - 1 // Reset the buffer offset when reaching this.
)
const (
prime3bytes = 506832829
prime4bytes = 2654435761
prime5bytes = 889523592379
prime6bytes = 227718039650203
prime7bytes = 58295818150454627
prime8bytes = 0xcf1bbcdcb7a56463
)
func load3232(b []byte, i int32) uint32 {
return binary.LittleEndian.Uint32(b[i:])
}
func load6432(b []byte, i int32) uint64 {
return binary.LittleEndian.Uint64(b[i:])
}
type tableEntry struct {
offset int32
}
// fastGen maintains the table for matches,
// and the previous byte block for level 2.
// This is the generic implementation.
type fastGen struct {
hist []byte
cur int32
}
func (e *fastGen) addBlock(src []byte) int32 {
// check if we have space already
if len(e.hist)+len(src) > cap(e.hist) {
if cap(e.hist) == 0 {
e.hist = make([]byte, 0, allocHistory)
} else {
if cap(e.hist) < maxMatchOffset*2 {
panic("unexpected buffer size")
}
// Move down
offset := int32(len(e.hist)) - maxMatchOffset
// copy(e.hist[0:maxMatchOffset], e.hist[offset:])
*(*[maxMatchOffset]byte)(e.hist) = *(*[maxMatchOffset]byte)(e.hist[offset:])
e.cur += offset
e.hist = e.hist[:maxMatchOffset]
}
}
s := int32(len(e.hist))
e.hist = append(e.hist, src...)
return s
}
type tableEntryPrev struct {
Cur tableEntry
Prev tableEntry
}
// hash7 returns the hash of the lowest 7 bytes of u to fit in a hash table with h bits.
// Preferably h should be a constant and should always be <64.
func hash7(u uint64, h uint8) uint32 {
return uint32(((u << (64 - 56)) * prime7bytes) >> ((64 - h) & reg8SizeMask64))
}
// hashLen returns a hash of the lowest mls bytes of with length output bits.
// mls must be >=3 and <=8. Any other value will return hash for 4 bytes.
// length should always be < 32.
// Preferably length and mls should be a constant for inlining.
func hashLen(u uint64, length, mls uint8) uint32 {
switch mls {
case 3:
return (uint32(u<<8) * prime3bytes) >> (32 - length)
case 5:
return uint32(((u << (64 - 40)) * prime5bytes) >> (64 - length))
case 6:
return uint32(((u << (64 - 48)) * prime6bytes) >> (64 - length))
case 7:
return uint32(((u << (64 - 56)) * prime7bytes) >> (64 - length))
case 8:
return uint32((u * prime8bytes) >> (64 - length))
default:
return (uint32(u) * prime4bytes) >> (32 - length)
}
}
// matchlen will return the match length between offsets and t in src.
// The maximum length returned is maxMatchLength - 4.
// It is assumed that s > t, that t >=0 and s < len(src).
func (e *fastGen) matchlen(s, t int32, src []byte) int32 {
if debugDecode {
if t >= s {
panic(fmt.Sprint("t >=s:", t, s))
}
if int(s) >= len(src) {
panic(fmt.Sprint("s >= len(src):", s, len(src)))
}
if t < 0 {
panic(fmt.Sprint("t < 0:", t))
}
if s-t > maxMatchOffset {
panic(fmt.Sprint(s, "-", t, "(", s-t, ") > maxMatchLength (", maxMatchOffset, ")"))
}
}
s1 := int(s) + maxMatchLength - 4
if s1 > len(src) {
s1 = len(src)
}
// Extend the match to be as long as possible.
return int32(matchLen(src[s:s1], src[t:]))
}
// matchlenLong will return the match length between offsets and t in src.
// It is assumed that s > t, that t >=0 and s < len(src).
func (e *fastGen) matchlenLong(s, t int32, src []byte) int32 {
if debugDeflate {
if t >= s {
panic(fmt.Sprint("t >=s:", t, s))
}
if int(s) >= len(src) {
panic(fmt.Sprint("s >= len(src):", s, len(src)))
}
if t < 0 {
panic(fmt.Sprint("t < 0:", t))
}
if s-t > maxMatchOffset {
panic(fmt.Sprint(s, "-", t, "(", s-t, ") > maxMatchLength (", maxMatchOffset, ")"))
}
}
// Extend the match to be as long as possible.
return int32(matchLen(src[s:], src[t:]))
}
// Reset the encoding table.
func (e *fastGen) Reset() {
if cap(e.hist) < allocHistory {
e.hist = make([]byte, 0, allocHistory)
}
// We offset current position so everything will be out of reach.
// If we are above the buffer reset it will be cleared anyway since len(hist) == 0.
if e.cur <= bufferReset {
e.cur += maxMatchOffset + int32(len(e.hist))
}
e.hist = e.hist[:0]
}
// matchLen returns the maximum length.
// 'a' must be the shortest of the two.
func matchLen(a, b []byte) int {
var checked int
for len(a) >= 8 {
if diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b); diff != 0 {
return checked + (bits.TrailingZeros64(diff) >> 3)
}
checked += 8
a = a[8:]
b = b[8:]
}
b = b[:len(a)]
for i := range a {
if a[i] != b[i] {
return i + checked
}
}
return len(a) + checked
}

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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
import (
"math"
"math/bits"
)
const (
maxBitsLimit = 16
// number of valid literals
literalCount = 286
)
// hcode is a huffman code with a bit code and bit length.
type hcode uint32
func (h hcode) len() uint8 {
return uint8(h)
}
func (h hcode) code64() uint64 {
return uint64(h >> 8)
}
func (h hcode) zero() bool {
return h == 0
}
type huffmanEncoder struct {
codes []hcode
bitCount [17]int32
// Allocate a reusable buffer with the longest possible frequency table.
// Possible lengths are codegenCodeCount, offsetCodeCount and literalCount.
// The largest of these is literalCount, so we allocate for that case.
freqcache [literalCount + 1]literalNode
}
type literalNode struct {
literal uint16
freq uint16
}
// A levelInfo describes the state of the constructed tree for a given depth.
type levelInfo struct {
// Our level. for better printing
level int32
// The frequency of the last node at this level
lastFreq int32
// The frequency of the next character to add to this level
nextCharFreq int32
// The frequency of the next pair (from level below) to add to this level.
// Only valid if the "needed" value of the next lower level is 0.
nextPairFreq int32
// The number of chains remaining to generate for this level before moving
// up to the next level
needed int32
}
// set sets the code and length of an hcode.
func (h *hcode) set(code uint16, length uint8) {
*h = hcode(length) | (hcode(code) << 8)
}
func newhcode(code uint16, length uint8) hcode {
return hcode(length) | (hcode(code) << 8)
}
func reverseBits(number uint16, bitLength byte) uint16 {
return bits.Reverse16(number << ((16 - bitLength) & 15))
}
func maxNode() literalNode { return literalNode{math.MaxUint16, math.MaxUint16} }
func newHuffmanEncoder(size int) *huffmanEncoder {
// Make capacity to next power of two.
c := uint(bits.Len32(uint32(size - 1)))
return &huffmanEncoder{codes: make([]hcode, size, 1<<c)}
}
// Generates a HuffmanCode corresponding to the fixed literal table
func generateFixedLiteralEncoding() *huffmanEncoder {
h := newHuffmanEncoder(literalCount)
codes := h.codes
var ch uint16
for ch = 0; ch < literalCount; ch++ {
var bits uint16
var size uint8
switch {
case ch < 144:
// size 8, 000110000 .. 10111111
bits = ch + 48
size = 8
case ch < 256:
// size 9, 110010000 .. 111111111
bits = ch + 400 - 144
size = 9
case ch < 280:
// size 7, 0000000 .. 0010111
bits = ch - 256
size = 7
default:
// size 8, 11000000 .. 11000111
bits = ch + 192 - 280
size = 8
}
codes[ch] = newhcode(reverseBits(bits, size), size)
}
return h
}
func generateFixedOffsetEncoding() *huffmanEncoder {
h := newHuffmanEncoder(30)
codes := h.codes
for ch := range codes {
codes[ch] = newhcode(reverseBits(uint16(ch), 5), 5)
}
return h
}
var fixedLiteralEncoding = generateFixedLiteralEncoding()
var fixedOffsetEncoding = generateFixedOffsetEncoding()
func (h *huffmanEncoder) bitLength(freq []uint16) int {
var total int
for i, f := range freq {
if f != 0 {
total += int(f) * int(h.codes[i].len())
}
}
return total
}
func (h *huffmanEncoder) bitLengthRaw(b []byte) int {
var total int
for _, f := range b {
total += int(h.codes[f].len())
}
return total
}
// canReuseBits returns the number of bits or math.MaxInt32 if the encoder cannot be reused.
func (h *huffmanEncoder) canReuseBits(freq []uint16) int {
var total int
for i, f := range freq {
if f != 0 {
code := h.codes[i]
if code.zero() {
return math.MaxInt32
}
total += int(f) * int(code.len())
}
}
return total
}
// Return the number of literals assigned to each bit size in the Huffman encoding
//
// This method is only called when list.length >= 3
// The cases of 0, 1, and 2 literals are handled by special case code.
//
// list An array of the literals with non-zero frequencies
//
// and their associated frequencies. The array is in order of increasing
// frequency, and has as its last element a special element with frequency
// MaxInt32
//
// maxBits The maximum number of bits that should be used to encode any literal.
//
// Must be less than 16.
//
// return An integer array in which array[i] indicates the number of literals
//
// that should be encoded in i bits.
func (h *huffmanEncoder) bitCounts(list []literalNode, maxBits int32) []int32 {
if maxBits >= maxBitsLimit {
panic("flate: maxBits too large")
}
n := int32(len(list))
list = list[0 : n+1]
list[n] = maxNode()
// The tree can't have greater depth than n - 1, no matter what. This
// saves a little bit of work in some small cases
if maxBits > n-1 {
maxBits = n - 1
}
// Create information about each of the levels.
// A bogus "Level 0" whose sole purpose is so that
// level1.prev.needed==0. This makes level1.nextPairFreq
// be a legitimate value that never gets chosen.
var levels [maxBitsLimit]levelInfo
// leafCounts[i] counts the number of literals at the left
// of ancestors of the rightmost node at level i.
// leafCounts[i][j] is the number of literals at the left
// of the level j ancestor.
var leafCounts [maxBitsLimit][maxBitsLimit]int32
// Descending to only have 1 bounds check.
l2f := int32(list[2].freq)
l1f := int32(list[1].freq)
l0f := int32(list[0].freq) + int32(list[1].freq)
for level := int32(1); level <= maxBits; level++ {
// For every level, the first two items are the first two characters.
// We initialize the levels as if we had already figured this out.
levels[level] = levelInfo{
level: level,
lastFreq: l1f,
nextCharFreq: l2f,
nextPairFreq: l0f,
}
leafCounts[level][level] = 2
if level == 1 {
levels[level].nextPairFreq = math.MaxInt32
}
}
// We need a total of 2*n - 2 items at top level and have already generated 2.
levels[maxBits].needed = 2*n - 4
level := uint32(maxBits)
for level < 16 {
l := &levels[level]
if l.nextPairFreq == math.MaxInt32 && l.nextCharFreq == math.MaxInt32 {
// We've run out of both leafs and pairs.
// End all calculations for this level.
// To make sure we never come back to this level or any lower level,
// set nextPairFreq impossibly large.
l.needed = 0
levels[level+1].nextPairFreq = math.MaxInt32
level++
continue
}
prevFreq := l.lastFreq
if l.nextCharFreq < l.nextPairFreq {
// The next item on this row is a leaf node.
n := leafCounts[level][level] + 1
l.lastFreq = l.nextCharFreq
// Lower leafCounts are the same of the previous node.
leafCounts[level][level] = n
e := list[n]
if e.literal < math.MaxUint16 {
l.nextCharFreq = int32(e.freq)
} else {
l.nextCharFreq = math.MaxInt32
}
} else {
// The next item on this row is a pair from the previous row.
// nextPairFreq isn't valid until we generate two
// more values in the level below
l.lastFreq = l.nextPairFreq
// Take leaf counts from the lower level, except counts[level] remains the same.
if true {
save := leafCounts[level][level]
leafCounts[level] = leafCounts[level-1]
leafCounts[level][level] = save
} else {
copy(leafCounts[level][:level], leafCounts[level-1][:level])
}
levels[l.level-1].needed = 2
}
if l.needed--; l.needed == 0 {
// We've done everything we need to do for this level.
// Continue calculating one level up. Fill in nextPairFreq
// of that level with the sum of the two nodes we've just calculated on
// this level.
if l.level == maxBits {
// All done!
break
}
levels[l.level+1].nextPairFreq = prevFreq + l.lastFreq
level++
} else {
// If we stole from below, move down temporarily to replenish it.
for levels[level-1].needed > 0 {
level--
}
}
}
// Somethings is wrong if at the end, the top level is null or hasn't used
// all of the leaves.
if leafCounts[maxBits][maxBits] != n {
panic("leafCounts[maxBits][maxBits] != n")
}
bitCount := h.bitCount[:maxBits+1]
bits := 1
counts := &leafCounts[maxBits]
for level := maxBits; level > 0; level-- {
// chain.leafCount gives the number of literals requiring at least "bits"
// bits to encode.
bitCount[bits] = counts[level] - counts[level-1]
bits++
}
return bitCount
}
// Look at the leaves and assign them a bit count and an encoding as specified
// in RFC 1951 3.2.2
func (h *huffmanEncoder) assignEncodingAndSize(bitCount []int32, list []literalNode) {
code := uint16(0)
for n, bits := range bitCount {
code <<= 1
if n == 0 || bits == 0 {
continue
}
// The literals list[len(list)-bits] .. list[len(list)-bits]
// are encoded using "bits" bits, and get the values
// code, code + 1, .... The code values are
// assigned in literal order (not frequency order).
chunk := list[len(list)-int(bits):]
sortByLiteral(chunk)
for _, node := range chunk {
h.codes[node.literal] = newhcode(reverseBits(code, uint8(n)), uint8(n))
code++
}
list = list[0 : len(list)-int(bits)]
}
}
// Update this Huffman Code object to be the minimum code for the specified frequency count.
//
// freq An array of frequencies, in which frequency[i] gives the frequency of literal i.
// maxBits The maximum number of bits to use for any literal.
func (h *huffmanEncoder) generate(freq []uint16, maxBits int32) {
list := h.freqcache[:len(freq)+1]
codes := h.codes[:len(freq)]
// Number of non-zero literals
count := 0
// Set list to be the set of all non-zero literals and their frequencies
for i, f := range freq {
if f != 0 {
list[count] = literalNode{uint16(i), f}
count++
} else {
codes[i] = 0
}
}
list[count] = literalNode{}
list = list[:count]
if count <= 2 {
// Handle the small cases here, because they are awkward for the general case code. With
// two or fewer literals, everything has bit length 1.
for i, node := range list {
// "list" is in order of increasing literal value.
h.codes[node.literal].set(uint16(i), 1)
}
return
}
sortByFreq(list)
// Get the number of literals for each bit count
bitCount := h.bitCounts(list, maxBits)
// And do the assignment
h.assignEncodingAndSize(bitCount, list)
}
// atLeastOne clamps the result between 1 and 15.
func atLeastOne(v float32) float32 {
if v < 1 {
return 1
}
if v > 15 {
return 15
}
return v
}
func histogram(b []byte, h []uint16) {
if true && len(b) >= 8<<10 {
// Split for bigger inputs
histogramSplit(b, h)
} else {
h = h[:256]
for _, t := range b {
h[t]++
}
}
}
func histogramSplit(b []byte, h []uint16) {
// Tested, and slightly faster than 2-way.
// Writing to separate arrays and combining is also slightly slower.
h = h[:256]
for len(b)&3 != 0 {
h[b[0]]++
b = b[1:]
}
n := len(b) / 4
x, y, z, w := b[:n], b[n:], b[n+n:], b[n+n+n:]
y, z, w = y[:len(x)], z[:len(x)], w[:len(x)]
for i, t := range x {
v0 := &h[t]
v1 := &h[y[i]]
v3 := &h[w[i]]
v2 := &h[z[i]]
*v0++
*v1++
*v2++
*v3++
}
}

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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
// Sort sorts data.
// It makes one call to data.Len to determine n, and O(n*log(n)) calls to
// data.Less and data.Swap. The sort is not guaranteed to be stable.
func sortByFreq(data []literalNode) {
n := len(data)
quickSortByFreq(data, 0, n, maxDepth(n))
}
func quickSortByFreq(data []literalNode, a, b, maxDepth int) {
for b-a > 12 { // Use ShellSort for slices <= 12 elements
if maxDepth == 0 {
heapSort(data, a, b)
return
}
maxDepth--
mlo, mhi := doPivotByFreq(data, a, b)
// Avoiding recursion on the larger subproblem guarantees
// a stack depth of at most lg(b-a).
if mlo-a < b-mhi {
quickSortByFreq(data, a, mlo, maxDepth)
a = mhi // i.e., quickSortByFreq(data, mhi, b)
} else {
quickSortByFreq(data, mhi, b, maxDepth)
b = mlo // i.e., quickSortByFreq(data, a, mlo)
}
}
if b-a > 1 {
// Do ShellSort pass with gap 6
// It could be written in this simplified form cause b-a <= 12
for i := a + 6; i < b; i++ {
if data[i].freq == data[i-6].freq && data[i].literal < data[i-6].literal || data[i].freq < data[i-6].freq {
data[i], data[i-6] = data[i-6], data[i]
}
}
insertionSortByFreq(data, a, b)
}
}
// siftDownByFreq implements the heap property on data[lo, hi).
// first is an offset into the array where the root of the heap lies.
func siftDownByFreq(data []literalNode, lo, hi, first int) {
root := lo
for {
child := 2*root + 1
if child >= hi {
break
}
if child+1 < hi && (data[first+child].freq == data[first+child+1].freq && data[first+child].literal < data[first+child+1].literal || data[first+child].freq < data[first+child+1].freq) {
child++
}
if data[first+root].freq == data[first+child].freq && data[first+root].literal > data[first+child].literal || data[first+root].freq > data[first+child].freq {
return
}
data[first+root], data[first+child] = data[first+child], data[first+root]
root = child
}
}
func doPivotByFreq(data []literalNode, lo, hi int) (midlo, midhi int) {
m := int(uint(lo+hi) >> 1) // Written like this to avoid integer overflow.
if hi-lo > 40 {
// Tukey's ``Ninther,'' median of three medians of three.
s := (hi - lo) / 8
medianOfThreeSortByFreq(data, lo, lo+s, lo+2*s)
medianOfThreeSortByFreq(data, m, m-s, m+s)
medianOfThreeSortByFreq(data, hi-1, hi-1-s, hi-1-2*s)
}
medianOfThreeSortByFreq(data, lo, m, hi-1)
// Invariants are:
// data[lo] = pivot (set up by ChoosePivot)
// data[lo < i < a] < pivot
// data[a <= i < b] <= pivot
// data[b <= i < c] unexamined
// data[c <= i < hi-1] > pivot
// data[hi-1] >= pivot
pivot := lo
a, c := lo+1, hi-1
for ; a < c && (data[a].freq == data[pivot].freq && data[a].literal < data[pivot].literal || data[a].freq < data[pivot].freq); a++ {
}
b := a
for {
for ; b < c && (data[pivot].freq == data[b].freq && data[pivot].literal > data[b].literal || data[pivot].freq > data[b].freq); b++ { // data[b] <= pivot
}
for ; b < c && (data[pivot].freq == data[c-1].freq && data[pivot].literal < data[c-1].literal || data[pivot].freq < data[c-1].freq); c-- { // data[c-1] > pivot
}
if b >= c {
break
}
// data[b] > pivot; data[c-1] <= pivot
data[b], data[c-1] = data[c-1], data[b]
b++
c--
}
// If hi-c<3 then there are duplicates (by property of median of nine).
// Let's be a bit more conservative, and set border to 5.
protect := hi-c < 5
if !protect && hi-c < (hi-lo)/4 {
// Lets test some points for equality to pivot
dups := 0
if data[pivot].freq == data[hi-1].freq && data[pivot].literal > data[hi-1].literal || data[pivot].freq > data[hi-1].freq { // data[hi-1] = pivot
data[c], data[hi-1] = data[hi-1], data[c]
c++
dups++
}
if data[b-1].freq == data[pivot].freq && data[b-1].literal > data[pivot].literal || data[b-1].freq > data[pivot].freq { // data[b-1] = pivot
b--
dups++
}
// m-lo = (hi-lo)/2 > 6
// b-lo > (hi-lo)*3/4-1 > 8
// ==> m < b ==> data[m] <= pivot
if data[m].freq == data[pivot].freq && data[m].literal > data[pivot].literal || data[m].freq > data[pivot].freq { // data[m] = pivot
data[m], data[b-1] = data[b-1], data[m]
b--
dups++
}
// if at least 2 points are equal to pivot, assume skewed distribution
protect = dups > 1
}
if protect {
// Protect against a lot of duplicates
// Add invariant:
// data[a <= i < b] unexamined
// data[b <= i < c] = pivot
for {
for ; a < b && (data[b-1].freq == data[pivot].freq && data[b-1].literal > data[pivot].literal || data[b-1].freq > data[pivot].freq); b-- { // data[b] == pivot
}
for ; a < b && (data[a].freq == data[pivot].freq && data[a].literal < data[pivot].literal || data[a].freq < data[pivot].freq); a++ { // data[a] < pivot
}
if a >= b {
break
}
// data[a] == pivot; data[b-1] < pivot
data[a], data[b-1] = data[b-1], data[a]
a++
b--
}
}
// Swap pivot into middle
data[pivot], data[b-1] = data[b-1], data[pivot]
return b - 1, c
}
// Insertion sort
func insertionSortByFreq(data []literalNode, a, b int) {
for i := a + 1; i < b; i++ {
for j := i; j > a && (data[j].freq == data[j-1].freq && data[j].literal < data[j-1].literal || data[j].freq < data[j-1].freq); j-- {
data[j], data[j-1] = data[j-1], data[j]
}
}
}
// quickSortByFreq, loosely following Bentley and McIlroy,
// ``Engineering a Sort Function,'' SP&E November 1993.
// medianOfThreeSortByFreq moves the median of the three values data[m0], data[m1], data[m2] into data[m1].
func medianOfThreeSortByFreq(data []literalNode, m1, m0, m2 int) {
// sort 3 elements
if data[m1].freq == data[m0].freq && data[m1].literal < data[m0].literal || data[m1].freq < data[m0].freq {
data[m1], data[m0] = data[m0], data[m1]
}
// data[m0] <= data[m1]
if data[m2].freq == data[m1].freq && data[m2].literal < data[m1].literal || data[m2].freq < data[m1].freq {
data[m2], data[m1] = data[m1], data[m2]
// data[m0] <= data[m2] && data[m1] < data[m2]
if data[m1].freq == data[m0].freq && data[m1].literal < data[m0].literal || data[m1].freq < data[m0].freq {
data[m1], data[m0] = data[m0], data[m1]
}
}
// now data[m0] <= data[m1] <= data[m2]
}

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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
// Sort sorts data.
// It makes one call to data.Len to determine n, and O(n*log(n)) calls to
// data.Less and data.Swap. The sort is not guaranteed to be stable.
func sortByLiteral(data []literalNode) {
n := len(data)
quickSort(data, 0, n, maxDepth(n))
}
func quickSort(data []literalNode, a, b, maxDepth int) {
for b-a > 12 { // Use ShellSort for slices <= 12 elements
if maxDepth == 0 {
heapSort(data, a, b)
return
}
maxDepth--
mlo, mhi := doPivot(data, a, b)
// Avoiding recursion on the larger subproblem guarantees
// a stack depth of at most lg(b-a).
if mlo-a < b-mhi {
quickSort(data, a, mlo, maxDepth)
a = mhi // i.e., quickSort(data, mhi, b)
} else {
quickSort(data, mhi, b, maxDepth)
b = mlo // i.e., quickSort(data, a, mlo)
}
}
if b-a > 1 {
// Do ShellSort pass with gap 6
// It could be written in this simplified form cause b-a <= 12
for i := a + 6; i < b; i++ {
if data[i].literal < data[i-6].literal {
data[i], data[i-6] = data[i-6], data[i]
}
}
insertionSort(data, a, b)
}
}
func heapSort(data []literalNode, a, b int) {
first := a
lo := 0
hi := b - a
// Build heap with greatest element at top.
for i := (hi - 1) / 2; i >= 0; i-- {
siftDown(data, i, hi, first)
}
// Pop elements, largest first, into end of data.
for i := hi - 1; i >= 0; i-- {
data[first], data[first+i] = data[first+i], data[first]
siftDown(data, lo, i, first)
}
}
// siftDown implements the heap property on data[lo, hi).
// first is an offset into the array where the root of the heap lies.
func siftDown(data []literalNode, lo, hi, first int) {
root := lo
for {
child := 2*root + 1
if child >= hi {
break
}
if child+1 < hi && data[first+child].literal < data[first+child+1].literal {
child++
}
if data[first+root].literal > data[first+child].literal {
return
}
data[first+root], data[first+child] = data[first+child], data[first+root]
root = child
}
}
func doPivot(data []literalNode, lo, hi int) (midlo, midhi int) {
m := int(uint(lo+hi) >> 1) // Written like this to avoid integer overflow.
if hi-lo > 40 {
// Tukey's ``Ninther,'' median of three medians of three.
s := (hi - lo) / 8
medianOfThree(data, lo, lo+s, lo+2*s)
medianOfThree(data, m, m-s, m+s)
medianOfThree(data, hi-1, hi-1-s, hi-1-2*s)
}
medianOfThree(data, lo, m, hi-1)
// Invariants are:
// data[lo] = pivot (set up by ChoosePivot)
// data[lo < i < a] < pivot
// data[a <= i < b] <= pivot
// data[b <= i < c] unexamined
// data[c <= i < hi-1] > pivot
// data[hi-1] >= pivot
pivot := lo
a, c := lo+1, hi-1
for ; a < c && data[a].literal < data[pivot].literal; a++ {
}
b := a
for {
for ; b < c && data[pivot].literal > data[b].literal; b++ { // data[b] <= pivot
}
for ; b < c && data[pivot].literal < data[c-1].literal; c-- { // data[c-1] > pivot
}
if b >= c {
break
}
// data[b] > pivot; data[c-1] <= pivot
data[b], data[c-1] = data[c-1], data[b]
b++
c--
}
// If hi-c<3 then there are duplicates (by property of median of nine).
// Let's be a bit more conservative, and set border to 5.
protect := hi-c < 5
if !protect && hi-c < (hi-lo)/4 {
// Lets test some points for equality to pivot
dups := 0
if data[pivot].literal > data[hi-1].literal { // data[hi-1] = pivot
data[c], data[hi-1] = data[hi-1], data[c]
c++
dups++
}
if data[b-1].literal > data[pivot].literal { // data[b-1] = pivot
b--
dups++
}
// m-lo = (hi-lo)/2 > 6
// b-lo > (hi-lo)*3/4-1 > 8
// ==> m < b ==> data[m] <= pivot
if data[m].literal > data[pivot].literal { // data[m] = pivot
data[m], data[b-1] = data[b-1], data[m]
b--
dups++
}
// if at least 2 points are equal to pivot, assume skewed distribution
protect = dups > 1
}
if protect {
// Protect against a lot of duplicates
// Add invariant:
// data[a <= i < b] unexamined
// data[b <= i < c] = pivot
for {
for ; a < b && data[b-1].literal > data[pivot].literal; b-- { // data[b] == pivot
}
for ; a < b && data[a].literal < data[pivot].literal; a++ { // data[a] < pivot
}
if a >= b {
break
}
// data[a] == pivot; data[b-1] < pivot
data[a], data[b-1] = data[b-1], data[a]
a++
b--
}
}
// Swap pivot into middle
data[pivot], data[b-1] = data[b-1], data[pivot]
return b - 1, c
}
// Insertion sort
func insertionSort(data []literalNode, a, b int) {
for i := a + 1; i < b; i++ {
for j := i; j > a && data[j].literal < data[j-1].literal; j-- {
data[j], data[j-1] = data[j-1], data[j]
}
}
}
// maxDepth returns a threshold at which quicksort should switch
// to heapsort. It returns 2*ceil(lg(n+1)).
func maxDepth(n int) int {
var depth int
for i := n; i > 0; i >>= 1 {
depth++
}
return depth * 2
}
// medianOfThree moves the median of the three values data[m0], data[m1], data[m2] into data[m1].
func medianOfThree(data []literalNode, m1, m0, m2 int) {
// sort 3 elements
if data[m1].literal < data[m0].literal {
data[m1], data[m0] = data[m0], data[m1]
}
// data[m0] <= data[m1]
if data[m2].literal < data[m1].literal {
data[m2], data[m1] = data[m1], data[m2]
// data[m0] <= data[m2] && data[m1] < data[m2]
if data[m1].literal < data[m0].literal {
data[m1], data[m0] = data[m0], data[m1]
}
}
// now data[m0] <= data[m1] <= data[m2]
}

793
vendor/github.com/klauspost/compress/flate/inflate.go generated vendored Normal file
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@ -0,0 +1,793 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package flate implements the DEFLATE compressed data format, described in
// RFC 1951. The gzip and zlib packages implement access to DEFLATE-based file
// formats.
package flate
import (
"bufio"
"compress/flate"
"fmt"
"io"
"math/bits"
"sync"
)
const (
maxCodeLen = 16 // max length of Huffman code
maxCodeLenMask = 15 // mask for max length of Huffman code
// The next three numbers come from the RFC section 3.2.7, with the
// additional proviso in section 3.2.5 which implies that distance codes
// 30 and 31 should never occur in compressed data.
maxNumLit = 286
maxNumDist = 30
numCodes = 19 // number of codes in Huffman meta-code
debugDecode = false
)
// Value of length - 3 and extra bits.
type lengthExtra struct {
length, extra uint8
}
var decCodeToLen = [32]lengthExtra{{length: 0x0, extra: 0x0}, {length: 0x1, extra: 0x0}, {length: 0x2, extra: 0x0}, {length: 0x3, extra: 0x0}, {length: 0x4, extra: 0x0}, {length: 0x5, extra: 0x0}, {length: 0x6, extra: 0x0}, {length: 0x7, extra: 0x0}, {length: 0x8, extra: 0x1}, {length: 0xa, extra: 0x1}, {length: 0xc, extra: 0x1}, {length: 0xe, extra: 0x1}, {length: 0x10, extra: 0x2}, {length: 0x14, extra: 0x2}, {length: 0x18, extra: 0x2}, {length: 0x1c, extra: 0x2}, {length: 0x20, extra: 0x3}, {length: 0x28, extra: 0x3}, {length: 0x30, extra: 0x3}, {length: 0x38, extra: 0x3}, {length: 0x40, extra: 0x4}, {length: 0x50, extra: 0x4}, {length: 0x60, extra: 0x4}, {length: 0x70, extra: 0x4}, {length: 0x80, extra: 0x5}, {length: 0xa0, extra: 0x5}, {length: 0xc0, extra: 0x5}, {length: 0xe0, extra: 0x5}, {length: 0xff, extra: 0x0}, {length: 0x0, extra: 0x0}, {length: 0x0, extra: 0x0}, {length: 0x0, extra: 0x0}}
var bitMask32 = [32]uint32{
0, 1, 3, 7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF,
0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF,
0x1ffff, 0x3ffff, 0x7FFFF, 0xfFFFF, 0x1fFFFF, 0x3fFFFF, 0x7fFFFF, 0xffFFFF,
0x1ffFFFF, 0x3ffFFFF, 0x7ffFFFF, 0xfffFFFF, 0x1fffFFFF, 0x3fffFFFF, 0x7fffFFFF,
} // up to 32 bits
// Initialize the fixedHuffmanDecoder only once upon first use.
var fixedOnce sync.Once
var fixedHuffmanDecoder huffmanDecoder
// A CorruptInputError reports the presence of corrupt input at a given offset.
type CorruptInputError = flate.CorruptInputError
// An InternalError reports an error in the flate code itself.
type InternalError string
func (e InternalError) Error() string { return "flate: internal error: " + string(e) }
// A ReadError reports an error encountered while reading input.
//
// Deprecated: No longer returned.
type ReadError = flate.ReadError
// A WriteError reports an error encountered while writing output.
//
// Deprecated: No longer returned.
type WriteError = flate.WriteError
// Resetter resets a ReadCloser returned by NewReader or NewReaderDict to
// to switch to a new underlying Reader. This permits reusing a ReadCloser
// instead of allocating a new one.
type Resetter interface {
// Reset discards any buffered data and resets the Resetter as if it was
// newly initialized with the given reader.
Reset(r io.Reader, dict []byte) error
}
// The data structure for decoding Huffman tables is based on that of
// zlib. There is a lookup table of a fixed bit width (huffmanChunkBits),
// For codes smaller than the table width, there are multiple entries
// (each combination of trailing bits has the same value). For codes
// larger than the table width, the table contains a link to an overflow
// table. The width of each entry in the link table is the maximum code
// size minus the chunk width.
//
// Note that you can do a lookup in the table even without all bits
// filled. Since the extra bits are zero, and the DEFLATE Huffman codes
// have the property that shorter codes come before longer ones, the
// bit length estimate in the result is a lower bound on the actual
// number of bits.
//
// See the following:
// http://www.gzip.org/algorithm.txt
// chunk & 15 is number of bits
// chunk >> 4 is value, including table link
const (
huffmanChunkBits = 9
huffmanNumChunks = 1 << huffmanChunkBits
huffmanCountMask = 15
huffmanValueShift = 4
)
type huffmanDecoder struct {
maxRead int // the maximum number of bits we can read and not overread
chunks *[huffmanNumChunks]uint16 // chunks as described above
links [][]uint16 // overflow links
linkMask uint32 // mask the width of the link table
}
// Initialize Huffman decoding tables from array of code lengths.
// Following this function, h is guaranteed to be initialized into a complete
// tree (i.e., neither over-subscribed nor under-subscribed). The exception is a
// degenerate case where the tree has only a single symbol with length 1. Empty
// trees are permitted.
func (h *huffmanDecoder) init(lengths []int) bool {
// Sanity enables additional runtime tests during Huffman
// table construction. It's intended to be used during
// development to supplement the currently ad-hoc unit tests.
const sanity = false
if h.chunks == nil {
h.chunks = &[huffmanNumChunks]uint16{}
}
if h.maxRead != 0 {
*h = huffmanDecoder{chunks: h.chunks, links: h.links}
}
// Count number of codes of each length,
// compute maxRead and max length.
var count [maxCodeLen]int
var min, max int
for _, n := range lengths {
if n == 0 {
continue
}
if min == 0 || n < min {
min = n
}
if n > max {
max = n
}
count[n&maxCodeLenMask]++
}
// Empty tree. The decompressor.huffSym function will fail later if the tree
// is used. Technically, an empty tree is only valid for the HDIST tree and
// not the HCLEN and HLIT tree. However, a stream with an empty HCLEN tree
// is guaranteed to fail since it will attempt to use the tree to decode the
// codes for the HLIT and HDIST trees. Similarly, an empty HLIT tree is
// guaranteed to fail later since the compressed data section must be
// composed of at least one symbol (the end-of-block marker).
if max == 0 {
return true
}
code := 0
var nextcode [maxCodeLen]int
for i := min; i <= max; i++ {
code <<= 1
nextcode[i&maxCodeLenMask] = code
code += count[i&maxCodeLenMask]
}
// Check that the coding is complete (i.e., that we've
// assigned all 2-to-the-max possible bit sequences).
// Exception: To be compatible with zlib, we also need to
// accept degenerate single-code codings. See also
// TestDegenerateHuffmanCoding.
if code != 1<<uint(max) && !(code == 1 && max == 1) {
if debugDecode {
fmt.Println("coding failed, code, max:", code, max, code == 1<<uint(max), code == 1 && max == 1, "(one should be true)")
}
return false
}
h.maxRead = min
chunks := h.chunks[:]
for i := range chunks {
chunks[i] = 0
}
if max > huffmanChunkBits {
numLinks := 1 << (uint(max) - huffmanChunkBits)
h.linkMask = uint32(numLinks - 1)
// create link tables
link := nextcode[huffmanChunkBits+1] >> 1
if cap(h.links) < huffmanNumChunks-link {
h.links = make([][]uint16, huffmanNumChunks-link)
} else {
h.links = h.links[:huffmanNumChunks-link]
}
for j := uint(link); j < huffmanNumChunks; j++ {
reverse := int(bits.Reverse16(uint16(j)))
reverse >>= uint(16 - huffmanChunkBits)
off := j - uint(link)
if sanity && h.chunks[reverse] != 0 {
panic("impossible: overwriting existing chunk")
}
h.chunks[reverse] = uint16(off<<huffmanValueShift | (huffmanChunkBits + 1))
if cap(h.links[off]) < numLinks {
h.links[off] = make([]uint16, numLinks)
} else {
links := h.links[off][:0]
h.links[off] = links[:numLinks]
}
}
} else {
h.links = h.links[:0]
}
for i, n := range lengths {
if n == 0 {
continue
}
code := nextcode[n]
nextcode[n]++
chunk := uint16(i<<huffmanValueShift | n)
reverse := int(bits.Reverse16(uint16(code)))
reverse >>= uint(16 - n)
if n <= huffmanChunkBits {
for off := reverse; off < len(h.chunks); off += 1 << uint(n) {
// We should never need to overwrite
// an existing chunk. Also, 0 is
// never a valid chunk, because the
// lower 4 "count" bits should be
// between 1 and 15.
if sanity && h.chunks[off] != 0 {
panic("impossible: overwriting existing chunk")
}
h.chunks[off] = chunk
}
} else {
j := reverse & (huffmanNumChunks - 1)
if sanity && h.chunks[j]&huffmanCountMask != huffmanChunkBits+1 {
// Longer codes should have been
// associated with a link table above.
panic("impossible: not an indirect chunk")
}
value := h.chunks[j] >> huffmanValueShift
linktab := h.links[value]
reverse >>= huffmanChunkBits
for off := reverse; off < len(linktab); off += 1 << uint(n-huffmanChunkBits) {
if sanity && linktab[off] != 0 {
panic("impossible: overwriting existing chunk")
}
linktab[off] = chunk
}
}
}
if sanity {
// Above we've sanity checked that we never overwrote
// an existing entry. Here we additionally check that
// we filled the tables completely.
for i, chunk := range h.chunks {
if chunk == 0 {
// As an exception, in the degenerate
// single-code case, we allow odd
// chunks to be missing.
if code == 1 && i%2 == 1 {
continue
}
panic("impossible: missing chunk")
}
}
for _, linktab := range h.links {
for _, chunk := range linktab {
if chunk == 0 {
panic("impossible: missing chunk")
}
}
}
}
return true
}
// The actual read interface needed by NewReader.
// If the passed in io.Reader does not also have ReadByte,
// the NewReader will introduce its own buffering.
type Reader interface {
io.Reader
io.ByteReader
}
// Decompress state.
type decompressor struct {
// Input source.
r Reader
roffset int64
// Huffman decoders for literal/length, distance.
h1, h2 huffmanDecoder
// Length arrays used to define Huffman codes.
bits *[maxNumLit + maxNumDist]int
codebits *[numCodes]int
// Output history, buffer.
dict dictDecoder
// Next step in the decompression,
// and decompression state.
step func(*decompressor)
stepState int
err error
toRead []byte
hl, hd *huffmanDecoder
copyLen int
copyDist int
// Temporary buffer (avoids repeated allocation).
buf [4]byte
// Input bits, in top of b.
b uint32
nb uint
final bool
}
func (f *decompressor) nextBlock() {
for f.nb < 1+2 {
if f.err = f.moreBits(); f.err != nil {
return
}
}
f.final = f.b&1 == 1
f.b >>= 1
typ := f.b & 3
f.b >>= 2
f.nb -= 1 + 2
switch typ {
case 0:
f.dataBlock()
if debugDecode {
fmt.Println("stored block")
}
case 1:
// compressed, fixed Huffman tables
f.hl = &fixedHuffmanDecoder
f.hd = nil
f.huffmanBlockDecoder()()
if debugDecode {
fmt.Println("predefinied huffman block")
}
case 2:
// compressed, dynamic Huffman tables
if f.err = f.readHuffman(); f.err != nil {
break
}
f.hl = &f.h1
f.hd = &f.h2
f.huffmanBlockDecoder()()
if debugDecode {
fmt.Println("dynamic huffman block")
}
default:
// 3 is reserved.
if debugDecode {
fmt.Println("reserved data block encountered")
}
f.err = CorruptInputError(f.roffset)
}
}
func (f *decompressor) Read(b []byte) (int, error) {
for {
if len(f.toRead) > 0 {
n := copy(b, f.toRead)
f.toRead = f.toRead[n:]
if len(f.toRead) == 0 {
return n, f.err
}
return n, nil
}
if f.err != nil {
return 0, f.err
}
f.step(f)
if f.err != nil && len(f.toRead) == 0 {
f.toRead = f.dict.readFlush() // Flush what's left in case of error
}
}
}
// Support the io.WriteTo interface for io.Copy and friends.
func (f *decompressor) WriteTo(w io.Writer) (int64, error) {
total := int64(0)
flushed := false
for {
if len(f.toRead) > 0 {
n, err := w.Write(f.toRead)
total += int64(n)
if err != nil {
f.err = err
return total, err
}
if n != len(f.toRead) {
return total, io.ErrShortWrite
}
f.toRead = f.toRead[:0]
}
if f.err != nil && flushed {
if f.err == io.EOF {
return total, nil
}
return total, f.err
}
if f.err == nil {
f.step(f)
}
if len(f.toRead) == 0 && f.err != nil && !flushed {
f.toRead = f.dict.readFlush() // Flush what's left in case of error
flushed = true
}
}
}
func (f *decompressor) Close() error {
if f.err == io.EOF {
return nil
}
return f.err
}
// RFC 1951 section 3.2.7.
// Compression with dynamic Huffman codes
var codeOrder = [...]int{16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}
func (f *decompressor) readHuffman() error {
// HLIT[5], HDIST[5], HCLEN[4].
for f.nb < 5+5+4 {
if err := f.moreBits(); err != nil {
return err
}
}
nlit := int(f.b&0x1F) + 257
if nlit > maxNumLit {
if debugDecode {
fmt.Println("nlit > maxNumLit", nlit)
}
return CorruptInputError(f.roffset)
}
f.b >>= 5
ndist := int(f.b&0x1F) + 1
if ndist > maxNumDist {
if debugDecode {
fmt.Println("ndist > maxNumDist", ndist)
}
return CorruptInputError(f.roffset)
}
f.b >>= 5
nclen := int(f.b&0xF) + 4
// numCodes is 19, so nclen is always valid.
f.b >>= 4
f.nb -= 5 + 5 + 4
// (HCLEN+4)*3 bits: code lengths in the magic codeOrder order.
for i := 0; i < nclen; i++ {
for f.nb < 3 {
if err := f.moreBits(); err != nil {
return err
}
}
f.codebits[codeOrder[i]] = int(f.b & 0x7)
f.b >>= 3
f.nb -= 3
}
for i := nclen; i < len(codeOrder); i++ {
f.codebits[codeOrder[i]] = 0
}
if !f.h1.init(f.codebits[0:]) {
if debugDecode {
fmt.Println("init codebits failed")
}
return CorruptInputError(f.roffset)
}
// HLIT + 257 code lengths, HDIST + 1 code lengths,
// using the code length Huffman code.
for i, n := 0, nlit+ndist; i < n; {
x, err := f.huffSym(&f.h1)
if err != nil {
return err
}
if x < 16 {
// Actual length.
f.bits[i] = x
i++
continue
}
// Repeat previous length or zero.
var rep int
var nb uint
var b int
switch x {
default:
return InternalError("unexpected length code")
case 16:
rep = 3
nb = 2
if i == 0 {
if debugDecode {
fmt.Println("i==0")
}
return CorruptInputError(f.roffset)
}
b = f.bits[i-1]
case 17:
rep = 3
nb = 3
b = 0
case 18:
rep = 11
nb = 7
b = 0
}
for f.nb < nb {
if err := f.moreBits(); err != nil {
if debugDecode {
fmt.Println("morebits:", err)
}
return err
}
}
rep += int(f.b & uint32(1<<(nb&regSizeMaskUint32)-1))
f.b >>= nb & regSizeMaskUint32
f.nb -= nb
if i+rep > n {
if debugDecode {
fmt.Println("i+rep > n", i, rep, n)
}
return CorruptInputError(f.roffset)
}
for j := 0; j < rep; j++ {
f.bits[i] = b
i++
}
}
if !f.h1.init(f.bits[0:nlit]) || !f.h2.init(f.bits[nlit:nlit+ndist]) {
if debugDecode {
fmt.Println("init2 failed")
}
return CorruptInputError(f.roffset)
}
// As an optimization, we can initialize the maxRead bits to read at a time
// for the HLIT tree to the length of the EOB marker since we know that
// every block must terminate with one. This preserves the property that
// we never read any extra bytes after the end of the DEFLATE stream.
if f.h1.maxRead < f.bits[endBlockMarker] {
f.h1.maxRead = f.bits[endBlockMarker]
}
if !f.final {
// If not the final block, the smallest block possible is
// a predefined table, BTYPE=01, with a single EOB marker.
// This will take up 3 + 7 bits.
f.h1.maxRead += 10
}
return nil
}
// Copy a single uncompressed data block from input to output.
func (f *decompressor) dataBlock() {
// Uncompressed.
// Discard current half-byte.
left := (f.nb) & 7
f.nb -= left
f.b >>= left
offBytes := f.nb >> 3
// Unfilled values will be overwritten.
f.buf[0] = uint8(f.b)
f.buf[1] = uint8(f.b >> 8)
f.buf[2] = uint8(f.b >> 16)
f.buf[3] = uint8(f.b >> 24)
f.roffset += int64(offBytes)
f.nb, f.b = 0, 0
// Length then ones-complement of length.
nr, err := io.ReadFull(f.r, f.buf[offBytes:4])
f.roffset += int64(nr)
if err != nil {
f.err = noEOF(err)
return
}
n := uint16(f.buf[0]) | uint16(f.buf[1])<<8
nn := uint16(f.buf[2]) | uint16(f.buf[3])<<8
if nn != ^n {
if debugDecode {
ncomp := ^n
fmt.Println("uint16(nn) != uint16(^n)", nn, ncomp)
}
f.err = CorruptInputError(f.roffset)
return
}
if n == 0 {
f.toRead = f.dict.readFlush()
f.finishBlock()
return
}
f.copyLen = int(n)
f.copyData()
}
// copyData copies f.copyLen bytes from the underlying reader into f.hist.
// It pauses for reads when f.hist is full.
func (f *decompressor) copyData() {
buf := f.dict.writeSlice()
if len(buf) > f.copyLen {
buf = buf[:f.copyLen]
}
cnt, err := io.ReadFull(f.r, buf)
f.roffset += int64(cnt)
f.copyLen -= cnt
f.dict.writeMark(cnt)
if err != nil {
f.err = noEOF(err)
return
}
if f.dict.availWrite() == 0 || f.copyLen > 0 {
f.toRead = f.dict.readFlush()
f.step = (*decompressor).copyData
return
}
f.finishBlock()
}
func (f *decompressor) finishBlock() {
if f.final {
if f.dict.availRead() > 0 {
f.toRead = f.dict.readFlush()
}
f.err = io.EOF
}
f.step = (*decompressor).nextBlock
}
// noEOF returns err, unless err == io.EOF, in which case it returns io.ErrUnexpectedEOF.
func noEOF(e error) error {
if e == io.EOF {
return io.ErrUnexpectedEOF
}
return e
}
func (f *decompressor) moreBits() error {
c, err := f.r.ReadByte()
if err != nil {
return noEOF(err)
}
f.roffset++
f.b |= uint32(c) << (f.nb & regSizeMaskUint32)
f.nb += 8
return nil
}
// Read the next Huffman-encoded symbol from f according to h.
func (f *decompressor) huffSym(h *huffmanDecoder) (int, error) {
// Since a huffmanDecoder can be empty or be composed of a degenerate tree
// with single element, huffSym must error on these two edge cases. In both
// cases, the chunks slice will be 0 for the invalid sequence, leading it
// satisfy the n == 0 check below.
n := uint(h.maxRead)
// Optimization. Compiler isn't smart enough to keep f.b,f.nb in registers,
// but is smart enough to keep local variables in registers, so use nb and b,
// inline call to moreBits and reassign b,nb back to f on return.
nb, b := f.nb, f.b
for {
for nb < n {
c, err := f.r.ReadByte()
if err != nil {
f.b = b
f.nb = nb
return 0, noEOF(err)
}
f.roffset++
b |= uint32(c) << (nb & regSizeMaskUint32)
nb += 8
}
chunk := h.chunks[b&(huffmanNumChunks-1)]
n = uint(chunk & huffmanCountMask)
if n > huffmanChunkBits {
chunk = h.links[chunk>>huffmanValueShift][(b>>huffmanChunkBits)&h.linkMask]
n = uint(chunk & huffmanCountMask)
}
if n <= nb {
if n == 0 {
f.b = b
f.nb = nb
if debugDecode {
fmt.Println("huffsym: n==0")
}
f.err = CorruptInputError(f.roffset)
return 0, f.err
}
f.b = b >> (n & regSizeMaskUint32)
f.nb = nb - n
return int(chunk >> huffmanValueShift), nil
}
}
}
func makeReader(r io.Reader) Reader {
if rr, ok := r.(Reader); ok {
return rr
}
return bufio.NewReader(r)
}
func fixedHuffmanDecoderInit() {
fixedOnce.Do(func() {
// These come from the RFC section 3.2.6.
var bits [288]int
for i := 0; i < 144; i++ {
bits[i] = 8
}
for i := 144; i < 256; i++ {
bits[i] = 9
}
for i := 256; i < 280; i++ {
bits[i] = 7
}
for i := 280; i < 288; i++ {
bits[i] = 8
}
fixedHuffmanDecoder.init(bits[:])
})
}
func (f *decompressor) Reset(r io.Reader, dict []byte) error {
*f = decompressor{
r: makeReader(r),
bits: f.bits,
codebits: f.codebits,
h1: f.h1,
h2: f.h2,
dict: f.dict,
step: (*decompressor).nextBlock,
}
f.dict.init(maxMatchOffset, dict)
return nil
}
// NewReader returns a new ReadCloser that can be used
// to read the uncompressed version of r.
// If r does not also implement io.ByteReader,
// the decompressor may read more data than necessary from r.
// It is the caller's responsibility to call Close on the ReadCloser
// when finished reading.
//
// The ReadCloser returned by NewReader also implements Resetter.
func NewReader(r io.Reader) io.ReadCloser {
fixedHuffmanDecoderInit()
var f decompressor
f.r = makeReader(r)
f.bits = new([maxNumLit + maxNumDist]int)
f.codebits = new([numCodes]int)
f.step = (*decompressor).nextBlock
f.dict.init(maxMatchOffset, nil)
return &f
}
// NewReaderDict is like NewReader but initializes the reader
// with a preset dictionary. The returned Reader behaves as if
// the uncompressed data stream started with the given dictionary,
// which has already been read. NewReaderDict is typically used
// to read data compressed by NewWriterDict.
//
// The ReadCloser returned by NewReader also implements Resetter.
func NewReaderDict(r io.Reader, dict []byte) io.ReadCloser {
fixedHuffmanDecoderInit()
var f decompressor
f.r = makeReader(r)
f.bits = new([maxNumLit + maxNumDist]int)
f.codebits = new([numCodes]int)
f.step = (*decompressor).nextBlock
f.dict.init(maxMatchOffset, dict)
return &f
}

1283
vendor/github.com/klauspost/compress/flate/inflate_gen.go generated vendored Normal file

File diff suppressed because it is too large Load diff

241
vendor/github.com/klauspost/compress/flate/level1.go generated vendored Normal file
View file

@ -0,0 +1,241 @@
package flate
import (
"encoding/binary"
"fmt"
"math/bits"
)
// fastGen maintains the table for matches,
// and the previous byte block for level 2.
// This is the generic implementation.
type fastEncL1 struct {
fastGen
table [tableSize]tableEntry
}
// EncodeL1 uses a similar algorithm to level 1
func (e *fastEncL1) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
hashBytes = 5
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntry{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.table[i].offset = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
for {
const skipLog = 5
const doEvery = 2
nextS := s
var candidate tableEntry
for {
nextHash := hashLen(cv, tableBits, hashBytes)
candidate = e.table[nextHash]
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
now := load6432(src, nextS)
e.table[nextHash] = tableEntry{offset: s + e.cur}
nextHash = hashLen(now, tableBits, hashBytes)
offset := s - (candidate.offset - e.cur)
if offset < maxMatchOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
e.table[nextHash] = tableEntry{offset: nextS + e.cur}
break
}
// Do one right away...
cv = now
s = nextS
nextS++
candidate = e.table[nextHash]
now >>= 8
e.table[nextHash] = tableEntry{offset: s + e.cur}
offset = s - (candidate.offset - e.cur)
if offset < maxMatchOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
e.table[nextHash] = tableEntry{offset: nextS + e.cur}
break
}
cv = now
s = nextS
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
for {
// Invariant: we have a 4-byte match at s, and no need to emit any
// literal bytes prior to s.
// Extend the 4-byte match as long as possible.
t := candidate.offset - e.cur
var l = int32(4)
if false {
l = e.matchlenLong(s+4, t+4, src) + 4
} else {
// inlined:
a := src[s+4:]
b := src[t+4:]
for len(a) >= 8 {
if diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b); diff != 0 {
l += int32(bits.TrailingZeros64(diff) >> 3)
break
}
l += 8
a = a[8:]
b = b[8:]
}
if len(a) < 8 {
b = b[:len(a)]
for i := range a {
if a[i] != b[i] {
break
}
l++
}
}
}
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
// Save the match found
if false {
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
} else {
// Inlined...
xoffset := uint32(s - t - baseMatchOffset)
xlength := l
oc := offsetCode(xoffset)
xoffset |= oc << 16
for xlength > 0 {
xl := xlength
if xl > 258 {
if xl > 258+baseMatchLength {
xl = 258
} else {
xl = 258 - baseMatchLength
}
}
xlength -= xl
xl -= baseMatchLength
dst.extraHist[lengthCodes1[uint8(xl)]]++
dst.offHist[oc]++
dst.tokens[dst.n] = token(matchType | uint32(xl)<<lengthShift | xoffset)
dst.n++
}
}
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
// Index first pair after match end.
if int(s+l+8) < len(src) {
cv := load6432(src, s)
e.table[hashLen(cv, tableBits, hashBytes)] = tableEntry{offset: s + e.cur}
}
goto emitRemainder
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-2 and at s. If
// another emitCopy is not our next move, also calculate nextHash
// at s+1. At least on GOARCH=amd64, these three hash calculations
// are faster as one load64 call (with some shifts) instead of
// three load32 calls.
x := load6432(src, s-2)
o := e.cur + s - 2
prevHash := hashLen(x, tableBits, hashBytes)
e.table[prevHash] = tableEntry{offset: o}
x >>= 16
currHash := hashLen(x, tableBits, hashBytes)
candidate = e.table[currHash]
e.table[currHash] = tableEntry{offset: o + 2}
offset := s - (candidate.offset - e.cur)
if offset > maxMatchOffset || uint32(x) != load3232(src, candidate.offset-e.cur) {
cv = x >> 8
s++
break
}
}
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

214
vendor/github.com/klauspost/compress/flate/level2.go generated vendored Normal file
View file

@ -0,0 +1,214 @@
package flate
import "fmt"
// fastGen maintains the table for matches,
// and the previous byte block for level 2.
// This is the generic implementation.
type fastEncL2 struct {
fastGen
table [bTableSize]tableEntry
}
// EncodeL2 uses a similar algorithm to level 1, but is capable
// of matching across blocks giving better compression at a small slowdown.
func (e *fastEncL2) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
hashBytes = 5
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntry{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.table[i].offset = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
for {
// When should we start skipping if we haven't found matches in a long while.
const skipLog = 5
const doEvery = 2
nextS := s
var candidate tableEntry
for {
nextHash := hashLen(cv, bTableBits, hashBytes)
s = nextS
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
candidate = e.table[nextHash]
now := load6432(src, nextS)
e.table[nextHash] = tableEntry{offset: s + e.cur}
nextHash = hashLen(now, bTableBits, hashBytes)
offset := s - (candidate.offset - e.cur)
if offset < maxMatchOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
e.table[nextHash] = tableEntry{offset: nextS + e.cur}
break
}
// Do one right away...
cv = now
s = nextS
nextS++
candidate = e.table[nextHash]
now >>= 8
e.table[nextHash] = tableEntry{offset: s + e.cur}
offset = s - (candidate.offset - e.cur)
if offset < maxMatchOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
break
}
cv = now
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
// Call emitCopy, and then see if another emitCopy could be our next
// move. Repeat until we find no match for the input immediately after
// what was consumed by the last emitCopy call.
//
// If we exit this loop normally then we need to call emitLiteral next,
// though we don't yet know how big the literal will be. We handle that
// by proceeding to the next iteration of the main loop. We also can
// exit this loop via goto if we get close to exhausting the input.
for {
// Invariant: we have a 4-byte match at s, and no need to emit any
// literal bytes prior to s.
// Extend the 4-byte match as long as possible.
t := candidate.offset - e.cur
l := e.matchlenLong(s+4, t+4, src) + 4
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
// Index first pair after match end.
if int(s+l+8) < len(src) {
cv := load6432(src, s)
e.table[hashLen(cv, bTableBits, hashBytes)] = tableEntry{offset: s + e.cur}
}
goto emitRemainder
}
// Store every second hash in-between, but offset by 1.
for i := s - l + 2; i < s-5; i += 7 {
x := load6432(src, i)
nextHash := hashLen(x, bTableBits, hashBytes)
e.table[nextHash] = tableEntry{offset: e.cur + i}
// Skip one
x >>= 16
nextHash = hashLen(x, bTableBits, hashBytes)
e.table[nextHash] = tableEntry{offset: e.cur + i + 2}
// Skip one
x >>= 16
nextHash = hashLen(x, bTableBits, hashBytes)
e.table[nextHash] = tableEntry{offset: e.cur + i + 4}
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-2 to s. If
// another emitCopy is not our next move, also calculate nextHash
// at s+1. At least on GOARCH=amd64, these three hash calculations
// are faster as one load64 call (with some shifts) instead of
// three load32 calls.
x := load6432(src, s-2)
o := e.cur + s - 2
prevHash := hashLen(x, bTableBits, hashBytes)
prevHash2 := hashLen(x>>8, bTableBits, hashBytes)
e.table[prevHash] = tableEntry{offset: o}
e.table[prevHash2] = tableEntry{offset: o + 1}
currHash := hashLen(x>>16, bTableBits, hashBytes)
candidate = e.table[currHash]
e.table[currHash] = tableEntry{offset: o + 2}
offset := s - (candidate.offset - e.cur)
if offset > maxMatchOffset || uint32(x>>16) != load3232(src, candidate.offset-e.cur) {
cv = x >> 24
s++
break
}
}
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

241
vendor/github.com/klauspost/compress/flate/level3.go generated vendored Normal file
View file

@ -0,0 +1,241 @@
package flate
import "fmt"
// fastEncL3
type fastEncL3 struct {
fastGen
table [1 << 16]tableEntryPrev
}
// Encode uses a similar algorithm to level 2, will check up to two candidates.
func (e *fastEncL3) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
tableBits = 16
tableSize = 1 << tableBits
hashBytes = 5
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntryPrev{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i]
if v.Cur.offset <= minOff {
v.Cur.offset = 0
} else {
v.Cur.offset = v.Cur.offset - e.cur + maxMatchOffset
}
if v.Prev.offset <= minOff {
v.Prev.offset = 0
} else {
v.Prev.offset = v.Prev.offset - e.cur + maxMatchOffset
}
e.table[i] = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// Skip if too small.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
for {
const skipLog = 7
nextS := s
var candidate tableEntry
for {
nextHash := hashLen(cv, tableBits, hashBytes)
s = nextS
nextS = s + 1 + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
candidates := e.table[nextHash]
now := load6432(src, nextS)
// Safe offset distance until s + 4...
minOffset := e.cur + s - (maxMatchOffset - 4)
e.table[nextHash] = tableEntryPrev{Prev: candidates.Cur, Cur: tableEntry{offset: s + e.cur}}
// Check both candidates
candidate = candidates.Cur
if candidate.offset < minOffset {
cv = now
// Previous will also be invalid, we have nothing.
continue
}
if uint32(cv) == load3232(src, candidate.offset-e.cur) {
if candidates.Prev.offset < minOffset || uint32(cv) != load3232(src, candidates.Prev.offset-e.cur) {
break
}
// Both match and are valid, pick longest.
offset := s - (candidate.offset - e.cur)
o2 := s - (candidates.Prev.offset - e.cur)
l1, l2 := matchLen(src[s+4:], src[s-offset+4:]), matchLen(src[s+4:], src[s-o2+4:])
if l2 > l1 {
candidate = candidates.Prev
}
break
} else {
// We only check if value mismatches.
// Offset will always be invalid in other cases.
candidate = candidates.Prev
if candidate.offset > minOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
break
}
}
cv = now
}
// Call emitCopy, and then see if another emitCopy could be our next
// move. Repeat until we find no match for the input immediately after
// what was consumed by the last emitCopy call.
//
// If we exit this loop normally then we need to call emitLiteral next,
// though we don't yet know how big the literal will be. We handle that
// by proceeding to the next iteration of the main loop. We also can
// exit this loop via goto if we get close to exhausting the input.
for {
// Invariant: we have a 4-byte match at s, and no need to emit any
// literal bytes prior to s.
// Extend the 4-byte match as long as possible.
//
t := candidate.offset - e.cur
l := e.matchlenLong(s+4, t+4, src) + 4
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
t += l
// Index first pair after match end.
if int(t+8) < len(src) && t > 0 {
cv = load6432(src, t)
nextHash := hashLen(cv, tableBits, hashBytes)
e.table[nextHash] = tableEntryPrev{
Prev: e.table[nextHash].Cur,
Cur: tableEntry{offset: e.cur + t},
}
}
goto emitRemainder
}
// Store every 5th hash in-between.
for i := s - l + 2; i < s-5; i += 6 {
nextHash := hashLen(load6432(src, i), tableBits, hashBytes)
e.table[nextHash] = tableEntryPrev{
Prev: e.table[nextHash].Cur,
Cur: tableEntry{offset: e.cur + i}}
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-2 to s.
x := load6432(src, s-2)
prevHash := hashLen(x, tableBits, hashBytes)
e.table[prevHash] = tableEntryPrev{
Prev: e.table[prevHash].Cur,
Cur: tableEntry{offset: e.cur + s - 2},
}
x >>= 8
prevHash = hashLen(x, tableBits, hashBytes)
e.table[prevHash] = tableEntryPrev{
Prev: e.table[prevHash].Cur,
Cur: tableEntry{offset: e.cur + s - 1},
}
x >>= 8
currHash := hashLen(x, tableBits, hashBytes)
candidates := e.table[currHash]
cv = x
e.table[currHash] = tableEntryPrev{
Prev: candidates.Cur,
Cur: tableEntry{offset: s + e.cur},
}
// Check both candidates
candidate = candidates.Cur
minOffset := e.cur + s - (maxMatchOffset - 4)
if candidate.offset > minOffset {
if uint32(cv) == load3232(src, candidate.offset-e.cur) {
// Found a match...
continue
}
candidate = candidates.Prev
if candidate.offset > minOffset && uint32(cv) == load3232(src, candidate.offset-e.cur) {
// Match at prev...
continue
}
}
cv = x >> 8
s++
break
}
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

221
vendor/github.com/klauspost/compress/flate/level4.go generated vendored Normal file
View file

@ -0,0 +1,221 @@
package flate
import "fmt"
type fastEncL4 struct {
fastGen
table [tableSize]tableEntry
bTable [tableSize]tableEntry
}
func (e *fastEncL4) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
hashShortBytes = 4
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntry{}
}
for i := range e.bTable[:] {
e.bTable[i] = tableEntry{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.table[i].offset = v
}
for i := range e.bTable[:] {
v := e.bTable[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.bTable[i].offset = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
for {
const skipLog = 6
const doEvery = 1
nextS := s
var t int32
for {
nextHashS := hashLen(cv, tableBits, hashShortBytes)
nextHashL := hash7(cv, tableBits)
s = nextS
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
// Fetch a short+long candidate
sCandidate := e.table[nextHashS]
lCandidate := e.bTable[nextHashL]
next := load6432(src, nextS)
entry := tableEntry{offset: s + e.cur}
e.table[nextHashS] = entry
e.bTable[nextHashL] = entry
t = lCandidate.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, lCandidate.offset-e.cur) {
// We got a long match. Use that.
break
}
t = sCandidate.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, sCandidate.offset-e.cur) {
// Found a 4 match...
lCandidate = e.bTable[hash7(next, tableBits)]
// If the next long is a candidate, check if we should use that instead...
lOff := nextS - (lCandidate.offset - e.cur)
if lOff < maxMatchOffset && load3232(src, lCandidate.offset-e.cur) == uint32(next) {
l1, l2 := matchLen(src[s+4:], src[t+4:]), matchLen(src[nextS+4:], src[nextS-lOff+4:])
if l2 > l1 {
s = nextS
t = lCandidate.offset - e.cur
}
}
break
}
cv = next
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
// Extend the 4-byte match as long as possible.
l := e.matchlenLong(s+4, t+4, src) + 4
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
if debugDeflate {
if t >= s {
panic("s-t")
}
if (s - t) > maxMatchOffset {
panic(fmt.Sprintln("mmo", t))
}
if l < baseMatchLength {
panic("bml")
}
}
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
// Index first pair after match end.
if int(s+8) < len(src) {
cv := load6432(src, s)
e.table[hashLen(cv, tableBits, hashShortBytes)] = tableEntry{offset: s + e.cur}
e.bTable[hash7(cv, tableBits)] = tableEntry{offset: s + e.cur}
}
goto emitRemainder
}
// Store every 3rd hash in-between
if true {
i := nextS
if i < s-1 {
cv := load6432(src, i)
t := tableEntry{offset: i + e.cur}
t2 := tableEntry{offset: t.offset + 1}
e.bTable[hash7(cv, tableBits)] = t
e.bTable[hash7(cv>>8, tableBits)] = t2
e.table[hashLen(cv>>8, tableBits, hashShortBytes)] = t2
i += 3
for ; i < s-1; i += 3 {
cv := load6432(src, i)
t := tableEntry{offset: i + e.cur}
t2 := tableEntry{offset: t.offset + 1}
e.bTable[hash7(cv, tableBits)] = t
e.bTable[hash7(cv>>8, tableBits)] = t2
e.table[hashLen(cv>>8, tableBits, hashShortBytes)] = t2
}
}
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-1 and at s.
x := load6432(src, s-1)
o := e.cur + s - 1
prevHashS := hashLen(x, tableBits, hashShortBytes)
prevHashL := hash7(x, tableBits)
e.table[prevHashS] = tableEntry{offset: o}
e.bTable[prevHashL] = tableEntry{offset: o}
cv = x >> 8
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

310
vendor/github.com/klauspost/compress/flate/level5.go generated vendored Normal file
View file

@ -0,0 +1,310 @@
package flate
import "fmt"
type fastEncL5 struct {
fastGen
table [tableSize]tableEntry
bTable [tableSize]tableEntryPrev
}
func (e *fastEncL5) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
hashShortBytes = 4
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntry{}
}
for i := range e.bTable[:] {
e.bTable[i] = tableEntryPrev{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.table[i].offset = v
}
for i := range e.bTable[:] {
v := e.bTable[i]
if v.Cur.offset <= minOff {
v.Cur.offset = 0
v.Prev.offset = 0
} else {
v.Cur.offset = v.Cur.offset - e.cur + maxMatchOffset
if v.Prev.offset <= minOff {
v.Prev.offset = 0
} else {
v.Prev.offset = v.Prev.offset - e.cur + maxMatchOffset
}
}
e.bTable[i] = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
for {
const skipLog = 6
const doEvery = 1
nextS := s
var l int32
var t int32
for {
nextHashS := hashLen(cv, tableBits, hashShortBytes)
nextHashL := hash7(cv, tableBits)
s = nextS
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
// Fetch a short+long candidate
sCandidate := e.table[nextHashS]
lCandidate := e.bTable[nextHashL]
next := load6432(src, nextS)
entry := tableEntry{offset: s + e.cur}
e.table[nextHashS] = entry
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = entry, eLong.Cur
nextHashS = hashLen(next, tableBits, hashShortBytes)
nextHashL = hash7(next, tableBits)
t = lCandidate.Cur.offset - e.cur
if s-t < maxMatchOffset {
if uint32(cv) == load3232(src, lCandidate.Cur.offset-e.cur) {
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
t2 := lCandidate.Prev.offset - e.cur
if s-t2 < maxMatchOffset && uint32(cv) == load3232(src, lCandidate.Prev.offset-e.cur) {
l = e.matchlen(s+4, t+4, src) + 4
ml1 := e.matchlen(s+4, t2+4, src) + 4
if ml1 > l {
t = t2
l = ml1
break
}
}
break
}
t = lCandidate.Prev.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, lCandidate.Prev.offset-e.cur) {
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
break
}
}
t = sCandidate.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, sCandidate.offset-e.cur) {
// Found a 4 match...
l = e.matchlen(s+4, t+4, src) + 4
lCandidate = e.bTable[nextHashL]
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
// If the next long is a candidate, use that...
t2 := lCandidate.Cur.offset - e.cur
if nextS-t2 < maxMatchOffset {
if load3232(src, lCandidate.Cur.offset-e.cur) == uint32(next) {
ml := e.matchlen(nextS+4, t2+4, src) + 4
if ml > l {
t = t2
s = nextS
l = ml
break
}
}
// If the previous long is a candidate, use that...
t2 = lCandidate.Prev.offset - e.cur
if nextS-t2 < maxMatchOffset && load3232(src, lCandidate.Prev.offset-e.cur) == uint32(next) {
ml := e.matchlen(nextS+4, t2+4, src) + 4
if ml > l {
t = t2
s = nextS
l = ml
break
}
}
}
break
}
cv = next
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
if l == 0 {
// Extend the 4-byte match as long as possible.
l = e.matchlenLong(s+4, t+4, src) + 4
} else if l == maxMatchLength {
l += e.matchlenLong(s+l, t+l, src)
}
// Try to locate a better match by checking the end of best match...
if sAt := s + l; l < 30 && sAt < sLimit {
// Allow some bytes at the beginning to mismatch.
// Sweet spot is 2/3 bytes depending on input.
// 3 is only a little better when it is but sometimes a lot worse.
// The skipped bytes are tested in Extend backwards,
// and still picked up as part of the match if they do.
const skipBeginning = 2
eLong := e.bTable[hash7(load6432(src, sAt), tableBits)].Cur.offset
t2 := eLong - e.cur - l + skipBeginning
s2 := s + skipBeginning
off := s2 - t2
if t2 >= 0 && off < maxMatchOffset && off > 0 {
if l2 := e.matchlenLong(s2, t2, src); l2 > l {
t = t2
l = l2
s = s2
}
}
}
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
if debugDeflate {
if t >= s {
panic(fmt.Sprintln("s-t", s, t))
}
if (s - t) > maxMatchOffset {
panic(fmt.Sprintln("mmo", s-t))
}
if l < baseMatchLength {
panic("bml")
}
}
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
goto emitRemainder
}
// Store every 3rd hash in-between.
if true {
const hashEvery = 3
i := s - l + 1
if i < s-1 {
cv := load6432(src, i)
t := tableEntry{offset: i + e.cur}
e.table[hashLen(cv, tableBits, hashShortBytes)] = t
eLong := &e.bTable[hash7(cv, tableBits)]
eLong.Cur, eLong.Prev = t, eLong.Cur
// Do an long at i+1
cv >>= 8
t = tableEntry{offset: t.offset + 1}
eLong = &e.bTable[hash7(cv, tableBits)]
eLong.Cur, eLong.Prev = t, eLong.Cur
// We only have enough bits for a short entry at i+2
cv >>= 8
t = tableEntry{offset: t.offset + 1}
e.table[hashLen(cv, tableBits, hashShortBytes)] = t
// Skip one - otherwise we risk hitting 's'
i += 4
for ; i < s-1; i += hashEvery {
cv := load6432(src, i)
t := tableEntry{offset: i + e.cur}
t2 := tableEntry{offset: t.offset + 1}
eLong := &e.bTable[hash7(cv, tableBits)]
eLong.Cur, eLong.Prev = t, eLong.Cur
e.table[hashLen(cv>>8, tableBits, hashShortBytes)] = t2
}
}
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-1 and at s.
x := load6432(src, s-1)
o := e.cur + s - 1
prevHashS := hashLen(x, tableBits, hashShortBytes)
prevHashL := hash7(x, tableBits)
e.table[prevHashS] = tableEntry{offset: o}
eLong := &e.bTable[prevHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: o}, eLong.Cur
cv = x >> 8
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

325
vendor/github.com/klauspost/compress/flate/level6.go generated vendored Normal file
View file

@ -0,0 +1,325 @@
package flate
import "fmt"
type fastEncL6 struct {
fastGen
table [tableSize]tableEntry
bTable [tableSize]tableEntryPrev
}
func (e *fastEncL6) Encode(dst *tokens, src []byte) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
hashShortBytes = 4
)
if debugDeflate && e.cur < 0 {
panic(fmt.Sprint("e.cur < 0: ", e.cur))
}
// Protect against e.cur wraparound.
for e.cur >= bufferReset {
if len(e.hist) == 0 {
for i := range e.table[:] {
e.table[i] = tableEntry{}
}
for i := range e.bTable[:] {
e.bTable[i] = tableEntryPrev{}
}
e.cur = maxMatchOffset
break
}
// Shift down everything in the table that isn't already too far away.
minOff := e.cur + int32(len(e.hist)) - maxMatchOffset
for i := range e.table[:] {
v := e.table[i].offset
if v <= minOff {
v = 0
} else {
v = v - e.cur + maxMatchOffset
}
e.table[i].offset = v
}
for i := range e.bTable[:] {
v := e.bTable[i]
if v.Cur.offset <= minOff {
v.Cur.offset = 0
v.Prev.offset = 0
} else {
v.Cur.offset = v.Cur.offset - e.cur + maxMatchOffset
if v.Prev.offset <= minOff {
v.Prev.offset = 0
} else {
v.Prev.offset = v.Prev.offset - e.cur + maxMatchOffset
}
}
e.bTable[i] = v
}
e.cur = maxMatchOffset
}
s := e.addBlock(src)
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = uint16(len(src))
return
}
// Override src
src = e.hist
nextEmit := s
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int32(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load6432(src, s)
// Repeat MUST be > 1 and within range
repeat := int32(1)
for {
const skipLog = 7
const doEvery = 1
nextS := s
var l int32
var t int32
for {
nextHashS := hashLen(cv, tableBits, hashShortBytes)
nextHashL := hash7(cv, tableBits)
s = nextS
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit {
goto emitRemainder
}
// Fetch a short+long candidate
sCandidate := e.table[nextHashS]
lCandidate := e.bTable[nextHashL]
next := load6432(src, nextS)
entry := tableEntry{offset: s + e.cur}
e.table[nextHashS] = entry
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = entry, eLong.Cur
// Calculate hashes of 'next'
nextHashS = hashLen(next, tableBits, hashShortBytes)
nextHashL = hash7(next, tableBits)
t = lCandidate.Cur.offset - e.cur
if s-t < maxMatchOffset {
if uint32(cv) == load3232(src, lCandidate.Cur.offset-e.cur) {
// Long candidate matches at least 4 bytes.
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
// Check the previous long candidate as well.
t2 := lCandidate.Prev.offset - e.cur
if s-t2 < maxMatchOffset && uint32(cv) == load3232(src, lCandidate.Prev.offset-e.cur) {
l = e.matchlen(s+4, t+4, src) + 4
ml1 := e.matchlen(s+4, t2+4, src) + 4
if ml1 > l {
t = t2
l = ml1
break
}
}
break
}
// Current value did not match, but check if previous long value does.
t = lCandidate.Prev.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, lCandidate.Prev.offset-e.cur) {
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
break
}
}
t = sCandidate.offset - e.cur
if s-t < maxMatchOffset && uint32(cv) == load3232(src, sCandidate.offset-e.cur) {
// Found a 4 match...
l = e.matchlen(s+4, t+4, src) + 4
// Look up next long candidate (at nextS)
lCandidate = e.bTable[nextHashL]
// Store the next match
e.table[nextHashS] = tableEntry{offset: nextS + e.cur}
eLong := &e.bTable[nextHashL]
eLong.Cur, eLong.Prev = tableEntry{offset: nextS + e.cur}, eLong.Cur
// Check repeat at s + repOff
const repOff = 1
t2 := s - repeat + repOff
if load3232(src, t2) == uint32(cv>>(8*repOff)) {
ml := e.matchlen(s+4+repOff, t2+4, src) + 4
if ml > l {
t = t2
l = ml
s += repOff
// Not worth checking more.
break
}
}
// If the next long is a candidate, use that...
t2 = lCandidate.Cur.offset - e.cur
if nextS-t2 < maxMatchOffset {
if load3232(src, lCandidate.Cur.offset-e.cur) == uint32(next) {
ml := e.matchlen(nextS+4, t2+4, src) + 4
if ml > l {
t = t2
s = nextS
l = ml
// This is ok, but check previous as well.
}
}
// If the previous long is a candidate, use that...
t2 = lCandidate.Prev.offset - e.cur
if nextS-t2 < maxMatchOffset && load3232(src, lCandidate.Prev.offset-e.cur) == uint32(next) {
ml := e.matchlen(nextS+4, t2+4, src) + 4
if ml > l {
t = t2
s = nextS
l = ml
break
}
}
}
break
}
cv = next
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
// Extend the 4-byte match as long as possible.
if l == 0 {
l = e.matchlenLong(s+4, t+4, src) + 4
} else if l == maxMatchLength {
l += e.matchlenLong(s+l, t+l, src)
}
// Try to locate a better match by checking the end-of-match...
if sAt := s + l; sAt < sLimit {
// Allow some bytes at the beginning to mismatch.
// Sweet spot is 2/3 bytes depending on input.
// 3 is only a little better when it is but sometimes a lot worse.
// The skipped bytes are tested in Extend backwards,
// and still picked up as part of the match if they do.
const skipBeginning = 2
eLong := &e.bTable[hash7(load6432(src, sAt), tableBits)]
// Test current
t2 := eLong.Cur.offset - e.cur - l + skipBeginning
s2 := s + skipBeginning
off := s2 - t2
if off < maxMatchOffset {
if off > 0 && t2 >= 0 {
if l2 := e.matchlenLong(s2, t2, src); l2 > l {
t = t2
l = l2
s = s2
}
}
// Test next:
t2 = eLong.Prev.offset - e.cur - l + skipBeginning
off := s2 - t2
if off > 0 && off < maxMatchOffset && t2 >= 0 {
if l2 := e.matchlenLong(s2, t2, src); l2 > l {
t = t2
l = l2
s = s2
}
}
}
}
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
if false {
if t >= s {
panic(fmt.Sprintln("s-t", s, t))
}
if (s - t) > maxMatchOffset {
panic(fmt.Sprintln("mmo", s-t))
}
if l < baseMatchLength {
panic("bml")
}
}
dst.AddMatchLong(l, uint32(s-t-baseMatchOffset))
repeat = s - t
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
// Index after match end.
for i := nextS + 1; i < int32(len(src))-8; i += 2 {
cv := load6432(src, i)
e.table[hashLen(cv, tableBits, hashShortBytes)] = tableEntry{offset: i + e.cur}
eLong := &e.bTable[hash7(cv, tableBits)]
eLong.Cur, eLong.Prev = tableEntry{offset: i + e.cur}, eLong.Cur
}
goto emitRemainder
}
// Store every long hash in-between and every second short.
if true {
for i := nextS + 1; i < s-1; i += 2 {
cv := load6432(src, i)
t := tableEntry{offset: i + e.cur}
t2 := tableEntry{offset: t.offset + 1}
eLong := &e.bTable[hash7(cv, tableBits)]
eLong2 := &e.bTable[hash7(cv>>8, tableBits)]
e.table[hashLen(cv, tableBits, hashShortBytes)] = t
eLong.Cur, eLong.Prev = t, eLong.Cur
eLong2.Cur, eLong2.Prev = t2, eLong2.Cur
}
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-1 and at s.
cv = load6432(src, s)
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

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@ -0,0 +1,37 @@
package flate
const (
// Masks for shifts with register sizes of the shift value.
// This can be used to work around the x86 design of shifting by mod register size.
// It can be used when a variable shift is always smaller than the register size.
// reg8SizeMaskX - shift value is 8 bits, shifted is X
reg8SizeMask8 = 7
reg8SizeMask16 = 15
reg8SizeMask32 = 31
reg8SizeMask64 = 63
// reg16SizeMaskX - shift value is 16 bits, shifted is X
reg16SizeMask8 = reg8SizeMask8
reg16SizeMask16 = reg8SizeMask16
reg16SizeMask32 = reg8SizeMask32
reg16SizeMask64 = reg8SizeMask64
// reg32SizeMaskX - shift value is 32 bits, shifted is X
reg32SizeMask8 = reg8SizeMask8
reg32SizeMask16 = reg8SizeMask16
reg32SizeMask32 = reg8SizeMask32
reg32SizeMask64 = reg8SizeMask64
// reg64SizeMaskX - shift value is 64 bits, shifted is X
reg64SizeMask8 = reg8SizeMask8
reg64SizeMask16 = reg8SizeMask16
reg64SizeMask32 = reg8SizeMask32
reg64SizeMask64 = reg8SizeMask64
// regSizeMaskUintX - shift value is uint, shifted is X
regSizeMaskUint8 = reg8SizeMask8
regSizeMaskUint16 = reg8SizeMask16
regSizeMaskUint32 = reg8SizeMask32
regSizeMaskUint64 = reg8SizeMask64
)

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@ -0,0 +1,40 @@
//go:build !amd64
// +build !amd64
package flate
const (
// Masks for shifts with register sizes of the shift value.
// This can be used to work around the x86 design of shifting by mod register size.
// It can be used when a variable shift is always smaller than the register size.
// reg8SizeMaskX - shift value is 8 bits, shifted is X
reg8SizeMask8 = 0xff
reg8SizeMask16 = 0xff
reg8SizeMask32 = 0xff
reg8SizeMask64 = 0xff
// reg16SizeMaskX - shift value is 16 bits, shifted is X
reg16SizeMask8 = 0xffff
reg16SizeMask16 = 0xffff
reg16SizeMask32 = 0xffff
reg16SizeMask64 = 0xffff
// reg32SizeMaskX - shift value is 32 bits, shifted is X
reg32SizeMask8 = 0xffffffff
reg32SizeMask16 = 0xffffffff
reg32SizeMask32 = 0xffffffff
reg32SizeMask64 = 0xffffffff
// reg64SizeMaskX - shift value is 64 bits, shifted is X
reg64SizeMask8 = 0xffffffffffffffff
reg64SizeMask16 = 0xffffffffffffffff
reg64SizeMask32 = 0xffffffffffffffff
reg64SizeMask64 = 0xffffffffffffffff
// regSizeMaskUintX - shift value is uint, shifted is X
regSizeMaskUint8 = ^uint(0)
regSizeMaskUint16 = ^uint(0)
regSizeMaskUint32 = ^uint(0)
regSizeMaskUint64 = ^uint(0)
)

305
vendor/github.com/klauspost/compress/flate/stateless.go generated vendored Normal file
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@ -0,0 +1,305 @@
package flate
import (
"io"
"math"
"sync"
)
const (
maxStatelessBlock = math.MaxInt16
// dictionary will be taken from maxStatelessBlock, so limit it.
maxStatelessDict = 8 << 10
slTableBits = 13
slTableSize = 1 << slTableBits
slTableShift = 32 - slTableBits
)
type statelessWriter struct {
dst io.Writer
closed bool
}
func (s *statelessWriter) Close() error {
if s.closed {
return nil
}
s.closed = true
// Emit EOF block
return StatelessDeflate(s.dst, nil, true, nil)
}
func (s *statelessWriter) Write(p []byte) (n int, err error) {
err = StatelessDeflate(s.dst, p, false, nil)
if err != nil {
return 0, err
}
return len(p), nil
}
func (s *statelessWriter) Reset(w io.Writer) {
s.dst = w
s.closed = false
}
// NewStatelessWriter will do compression but without maintaining any state
// between Write calls.
// There will be no memory kept between Write calls,
// but compression and speed will be suboptimal.
// Because of this, the size of actual Write calls will affect output size.
func NewStatelessWriter(dst io.Writer) io.WriteCloser {
return &statelessWriter{dst: dst}
}
// bitWriterPool contains bit writers that can be reused.
var bitWriterPool = sync.Pool{
New: func() interface{} {
return newHuffmanBitWriter(nil)
},
}
// StatelessDeflate allows compressing directly to a Writer without retaining state.
// When returning everything will be flushed.
// Up to 8KB of an optional dictionary can be given which is presumed to precede the block.
// Longer dictionaries will be truncated and will still produce valid output.
// Sending nil dictionary is perfectly fine.
func StatelessDeflate(out io.Writer, in []byte, eof bool, dict []byte) error {
var dst tokens
bw := bitWriterPool.Get().(*huffmanBitWriter)
bw.reset(out)
defer func() {
// don't keep a reference to our output
bw.reset(nil)
bitWriterPool.Put(bw)
}()
if eof && len(in) == 0 {
// Just write an EOF block.
// Could be faster...
bw.writeStoredHeader(0, true)
bw.flush()
return bw.err
}
// Truncate dict
if len(dict) > maxStatelessDict {
dict = dict[len(dict)-maxStatelessDict:]
}
for len(in) > 0 {
todo := in
if len(todo) > maxStatelessBlock-len(dict) {
todo = todo[:maxStatelessBlock-len(dict)]
}
in = in[len(todo):]
uncompressed := todo
if len(dict) > 0 {
// combine dict and source
bufLen := len(todo) + len(dict)
combined := make([]byte, bufLen)
copy(combined, dict)
copy(combined[len(dict):], todo)
todo = combined
}
// Compress
statelessEnc(&dst, todo, int16(len(dict)))
isEof := eof && len(in) == 0
if dst.n == 0 {
bw.writeStoredHeader(len(uncompressed), isEof)
if bw.err != nil {
return bw.err
}
bw.writeBytes(uncompressed)
} else if int(dst.n) > len(uncompressed)-len(uncompressed)>>4 {
// If we removed less than 1/16th, huffman compress the block.
bw.writeBlockHuff(isEof, uncompressed, len(in) == 0)
} else {
bw.writeBlockDynamic(&dst, isEof, uncompressed, len(in) == 0)
}
if len(in) > 0 {
// Retain a dict if we have more
dict = todo[len(todo)-maxStatelessDict:]
dst.Reset()
}
if bw.err != nil {
return bw.err
}
}
if !eof {
// Align, only a stored block can do that.
bw.writeStoredHeader(0, false)
}
bw.flush()
return bw.err
}
func hashSL(u uint32) uint32 {
return (u * 0x1e35a7bd) >> slTableShift
}
func load3216(b []byte, i int16) uint32 {
// Help the compiler eliminate bounds checks on the read so it can be done in a single read.
b = b[i:]
b = b[:4]
return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}
func load6416(b []byte, i int16) uint64 {
// Help the compiler eliminate bounds checks on the read so it can be done in a single read.
b = b[i:]
b = b[:8]
return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
}
func statelessEnc(dst *tokens, src []byte, startAt int16) {
const (
inputMargin = 12 - 1
minNonLiteralBlockSize = 1 + 1 + inputMargin
)
type tableEntry struct {
offset int16
}
var table [slTableSize]tableEntry
// This check isn't in the Snappy implementation, but there, the caller
// instead of the callee handles this case.
if len(src)-int(startAt) < minNonLiteralBlockSize {
// We do not fill the token table.
// This will be picked up by caller.
dst.n = 0
return
}
// Index until startAt
if startAt > 0 {
cv := load3232(src, 0)
for i := int16(0); i < startAt; i++ {
table[hashSL(cv)] = tableEntry{offset: i}
cv = (cv >> 8) | (uint32(src[i+4]) << 24)
}
}
s := startAt + 1
nextEmit := startAt
// sLimit is when to stop looking for offset/length copies. The inputMargin
// lets us use a fast path for emitLiteral in the main loop, while we are
// looking for copies.
sLimit := int16(len(src) - inputMargin)
// nextEmit is where in src the next emitLiteral should start from.
cv := load3216(src, s)
for {
const skipLog = 5
const doEvery = 2
nextS := s
var candidate tableEntry
for {
nextHash := hashSL(cv)
candidate = table[nextHash]
nextS = s + doEvery + (s-nextEmit)>>skipLog
if nextS > sLimit || nextS <= 0 {
goto emitRemainder
}
now := load6416(src, nextS)
table[nextHash] = tableEntry{offset: s}
nextHash = hashSL(uint32(now))
if cv == load3216(src, candidate.offset) {
table[nextHash] = tableEntry{offset: nextS}
break
}
// Do one right away...
cv = uint32(now)
s = nextS
nextS++
candidate = table[nextHash]
now >>= 8
table[nextHash] = tableEntry{offset: s}
if cv == load3216(src, candidate.offset) {
table[nextHash] = tableEntry{offset: nextS}
break
}
cv = uint32(now)
s = nextS
}
// A 4-byte match has been found. We'll later see if more than 4 bytes
// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
// them as literal bytes.
for {
// Invariant: we have a 4-byte match at s, and no need to emit any
// literal bytes prior to s.
// Extend the 4-byte match as long as possible.
t := candidate.offset
l := int16(matchLen(src[s+4:], src[t+4:]) + 4)
// Extend backwards
for t > 0 && s > nextEmit && src[t-1] == src[s-1] {
s--
t--
l++
}
if nextEmit < s {
if false {
emitLiteral(dst, src[nextEmit:s])
} else {
for _, v := range src[nextEmit:s] {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
}
// Save the match found
dst.AddMatchLong(int32(l), uint32(s-t-baseMatchOffset))
s += l
nextEmit = s
if nextS >= s {
s = nextS + 1
}
if s >= sLimit {
goto emitRemainder
}
// We could immediately start working at s now, but to improve
// compression we first update the hash table at s-2 and at s. If
// another emitCopy is not our next move, also calculate nextHash
// at s+1. At least on GOARCH=amd64, these three hash calculations
// are faster as one load64 call (with some shifts) instead of
// three load32 calls.
x := load6416(src, s-2)
o := s - 2
prevHash := hashSL(uint32(x))
table[prevHash] = tableEntry{offset: o}
x >>= 16
currHash := hashSL(uint32(x))
candidate = table[currHash]
table[currHash] = tableEntry{offset: o + 2}
if uint32(x) != load3216(src, candidate.offset) {
cv = uint32(x >> 8)
s++
break
}
}
}
emitRemainder:
if int(nextEmit) < len(src) {
// If nothing was added, don't encode literals.
if dst.n == 0 {
return
}
emitLiteral(dst, src[nextEmit:])
}
}

379
vendor/github.com/klauspost/compress/flate/token.go generated vendored Normal file
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@ -0,0 +1,379 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package flate
import (
"bytes"
"encoding/binary"
"fmt"
"io"
"math"
)
const (
// bits 0-16 xoffset = offset - MIN_OFFSET_SIZE, or literal - 16 bits
// bits 16-22 offsetcode - 5 bits
// bits 22-30 xlength = length - MIN_MATCH_LENGTH - 8 bits
// bits 30-32 type 0 = literal 1=EOF 2=Match 3=Unused - 2 bits
lengthShift = 22
offsetMask = 1<<lengthShift - 1
typeMask = 3 << 30
literalType = 0 << 30
matchType = 1 << 30
matchOffsetOnlyMask = 0xffff
)
// The length code for length X (MIN_MATCH_LENGTH <= X <= MAX_MATCH_LENGTH)
// is lengthCodes[length - MIN_MATCH_LENGTH]
var lengthCodes = [256]uint8{
0, 1, 2, 3, 4, 5, 6, 7, 8, 8,
9, 9, 10, 10, 11, 11, 12, 12, 12, 12,
13, 13, 13, 13, 14, 14, 14, 14, 15, 15,
15, 15, 16, 16, 16, 16, 16, 16, 16, 16,
17, 17, 17, 17, 17, 17, 17, 17, 18, 18,
18, 18, 18, 18, 18, 18, 19, 19, 19, 19,
19, 19, 19, 19, 20, 20, 20, 20, 20, 20,
20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
21, 21, 21, 21, 21, 21, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 28,
}
// lengthCodes1 is length codes, but starting at 1.
var lengthCodes1 = [256]uint8{
1, 2, 3, 4, 5, 6, 7, 8, 9, 9,
10, 10, 11, 11, 12, 12, 13, 13, 13, 13,
14, 14, 14, 14, 15, 15, 15, 15, 16, 16,
16, 16, 17, 17, 17, 17, 17, 17, 17, 17,
18, 18, 18, 18, 18, 18, 18, 18, 19, 19,
19, 19, 19, 19, 19, 19, 20, 20, 20, 20,
20, 20, 20, 20, 21, 21, 21, 21, 21, 21,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 23, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
23, 23, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 29,
}
var offsetCodes = [256]uint32{
0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7,
8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
}
// offsetCodes14 are offsetCodes, but with 14 added.
var offsetCodes14 = [256]uint32{
14, 15, 16, 17, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21,
22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
}
type token uint32
type tokens struct {
extraHist [32]uint16 // codes 256->maxnumlit
offHist [32]uint16 // offset codes
litHist [256]uint16 // codes 0->255
nFilled int
n uint16 // Must be able to contain maxStoreBlockSize
tokens [maxStoreBlockSize + 1]token
}
func (t *tokens) Reset() {
if t.n == 0 {
return
}
t.n = 0
t.nFilled = 0
for i := range t.litHist[:] {
t.litHist[i] = 0
}
for i := range t.extraHist[:] {
t.extraHist[i] = 0
}
for i := range t.offHist[:] {
t.offHist[i] = 0
}
}
func (t *tokens) Fill() {
if t.n == 0 {
return
}
for i, v := range t.litHist[:] {
if v == 0 {
t.litHist[i] = 1
t.nFilled++
}
}
for i, v := range t.extraHist[:literalCount-256] {
if v == 0 {
t.nFilled++
t.extraHist[i] = 1
}
}
for i, v := range t.offHist[:offsetCodeCount] {
if v == 0 {
t.offHist[i] = 1
}
}
}
func indexTokens(in []token) tokens {
var t tokens
t.indexTokens(in)
return t
}
func (t *tokens) indexTokens(in []token) {
t.Reset()
for _, tok := range in {
if tok < matchType {
t.AddLiteral(tok.literal())
continue
}
t.AddMatch(uint32(tok.length()), tok.offset()&matchOffsetOnlyMask)
}
}
// emitLiteral writes a literal chunk and returns the number of bytes written.
func emitLiteral(dst *tokens, lit []byte) {
for _, v := range lit {
dst.tokens[dst.n] = token(v)
dst.litHist[v]++
dst.n++
}
}
func (t *tokens) AddLiteral(lit byte) {
t.tokens[t.n] = token(lit)
t.litHist[lit]++
t.n++
}
// from https://stackoverflow.com/a/28730362
func mFastLog2(val float32) float32 {
ux := int32(math.Float32bits(val))
log2 := (float32)(((ux >> 23) & 255) - 128)
ux &= -0x7f800001
ux += 127 << 23
uval := math.Float32frombits(uint32(ux))
log2 += ((-0.34484843)*uval+2.02466578)*uval - 0.67487759
return log2
}
// EstimatedBits will return an minimum size estimated by an *optimal*
// compression of the block.
// The size of the block
func (t *tokens) EstimatedBits() int {
shannon := float32(0)
bits := int(0)
nMatches := 0
total := int(t.n) + t.nFilled
if total > 0 {
invTotal := 1.0 / float32(total)
for _, v := range t.litHist[:] {
if v > 0 {
n := float32(v)
shannon += atLeastOne(-mFastLog2(n*invTotal)) * n
}
}
// Just add 15 for EOB
shannon += 15
for i, v := range t.extraHist[1 : literalCount-256] {
if v > 0 {
n := float32(v)
shannon += atLeastOne(-mFastLog2(n*invTotal)) * n
bits += int(lengthExtraBits[i&31]) * int(v)
nMatches += int(v)
}
}
}
if nMatches > 0 {
invTotal := 1.0 / float32(nMatches)
for i, v := range t.offHist[:offsetCodeCount] {
if v > 0 {
n := float32(v)
shannon += atLeastOne(-mFastLog2(n*invTotal)) * n
bits += int(offsetExtraBits[i&31]) * int(v)
}
}
}
return int(shannon) + bits
}
// AddMatch adds a match to the tokens.
// This function is very sensitive to inlining and right on the border.
func (t *tokens) AddMatch(xlength uint32, xoffset uint32) {
if debugDeflate {
if xlength >= maxMatchLength+baseMatchLength {
panic(fmt.Errorf("invalid length: %v", xlength))
}
if xoffset >= maxMatchOffset+baseMatchOffset {
panic(fmt.Errorf("invalid offset: %v", xoffset))
}
}
oCode := offsetCode(xoffset)
xoffset |= oCode << 16
t.extraHist[lengthCodes1[uint8(xlength)]]++
t.offHist[oCode&31]++
t.tokens[t.n] = token(matchType | xlength<<lengthShift | xoffset)
t.n++
}
// AddMatchLong adds a match to the tokens, potentially longer than max match length.
// Length should NOT have the base subtracted, only offset should.
func (t *tokens) AddMatchLong(xlength int32, xoffset uint32) {
if debugDeflate {
if xoffset >= maxMatchOffset+baseMatchOffset {
panic(fmt.Errorf("invalid offset: %v", xoffset))
}
}
oc := offsetCode(xoffset)
xoffset |= oc << 16
for xlength > 0 {
xl := xlength
if xl > 258 {
// We need to have at least baseMatchLength left over for next loop.
if xl > 258+baseMatchLength {
xl = 258
} else {
xl = 258 - baseMatchLength
}
}
xlength -= xl
xl -= baseMatchLength
t.extraHist[lengthCodes1[uint8(xl)]]++
t.offHist[oc&31]++
t.tokens[t.n] = token(matchType | uint32(xl)<<lengthShift | xoffset)
t.n++
}
}
func (t *tokens) AddEOB() {
t.tokens[t.n] = token(endBlockMarker)
t.extraHist[0]++
t.n++
}
func (t *tokens) Slice() []token {
return t.tokens[:t.n]
}
// VarInt returns the tokens as varint encoded bytes.
func (t *tokens) VarInt() []byte {
var b = make([]byte, binary.MaxVarintLen32*int(t.n))
var off int
for _, v := range t.tokens[:t.n] {
off += binary.PutUvarint(b[off:], uint64(v))
}
return b[:off]
}
// FromVarInt restores t to the varint encoded tokens provided.
// Any data in t is removed.
func (t *tokens) FromVarInt(b []byte) error {
var buf = bytes.NewReader(b)
var toks []token
for {
r, err := binary.ReadUvarint(buf)
if err == io.EOF {
break
}
if err != nil {
return err
}
toks = append(toks, token(r))
}
t.indexTokens(toks)
return nil
}
// Returns the type of a token
func (t token) typ() uint32 { return uint32(t) & typeMask }
// Returns the literal of a literal token
func (t token) literal() uint8 { return uint8(t) }
// Returns the extra offset of a match token
func (t token) offset() uint32 { return uint32(t) & offsetMask }
func (t token) length() uint8 { return uint8(t >> lengthShift) }
// Convert length to code.
func lengthCode(len uint8) uint8 { return lengthCodes[len] }
// Returns the offset code corresponding to a specific offset
func offsetCode(off uint32) uint32 {
if false {
if off < uint32(len(offsetCodes)) {
return offsetCodes[off&255]
} else if off>>7 < uint32(len(offsetCodes)) {
return offsetCodes[(off>>7)&255] + 14
} else {
return offsetCodes[(off>>14)&255] + 28
}
}
if off < uint32(len(offsetCodes)) {
return offsetCodes[uint8(off)]
}
return offsetCodes14[uint8(off>>7)]
}

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