mirror of https://github.com/oxen-io/lokinet
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
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#include <llarp/dht/context.hpp>
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#include <llarp/dht/messages/gotrouter.hpp>
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#include "router.hpp"
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namespace llarp
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{
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namespace dht
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{
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GotRouterMessage::~GotRouterMessage()
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{
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}
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bool
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GotRouterMessage::BEncode(llarp_buffer_t *buf) const
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{
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if(!bencode_start_dict(buf))
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return false;
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// message type
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if(!BEncodeWriteDictMsgType(buf, "A", "S"))
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return false;
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// near
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if(N.size())
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{
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if(!BEncodeWriteDictList("N", N, buf))
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return false;
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}
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if(!BEncodeWriteDictList("R", R, buf))
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return false;
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// txid
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if(!BEncodeWriteDictInt("T", txid, buf))
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return false;
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// version
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if(!BEncodeWriteDictInt("V", version, buf))
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return false;
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return bencode_end(buf);
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}
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bool
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GotRouterMessage::DecodeKey(llarp_buffer_t key, llarp_buffer_t *val)
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{
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if(llarp_buffer_eq(key, "N"))
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{
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return BEncodeReadList(N, val);
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}
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if(llarp_buffer_eq(key, "R"))
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{
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return BEncodeReadList(R, val);
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}
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if(llarp_buffer_eq(key, "T"))
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{
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return bencode_read_integer(val, &txid);
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}
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bool read = false;
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if(!BEncodeMaybeReadVersion("V", version, LLARP_PROTO_VERSION, read, key,
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val))
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return false;
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return read;
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}
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bool
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GotRouterMessage::HandleMessage(
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llarp_dht_context *ctx,
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__attribute__((unused))
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std::vector< std::unique_ptr< IMessage > > &replies) const
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{
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auto &dht = ctx->impl;
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if(relayed)
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{
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auto pathset = ctx->impl.router->paths.GetLocalPathSet(pathID);
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return pathset && pathset->HandleGotRouterMessage(this);
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}
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// not relayed
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TXOwner owner(From, txid);
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if(dht.pendingExploreLookups.HasPendingLookupFrom(owner))
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{
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if(N.size() == 0)
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dht.pendingExploreLookups.NotFound(owner);
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else
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{
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dht.pendingExploreLookups.Found(owner, From, N);
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}
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return true;
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}
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// not explore lookup
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if(!dht.pendingRouterLookups.HasPendingLookupFrom(owner))
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{
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llarp::LogWarn("Unwarrented GRM from ", From, " txid=", txid);
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return false;
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}
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// no pending lookup
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llarp::LogInfo("DHT no pending lookup");
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if(R.size() == 1)
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dht.pendingRouterLookups.Found(owner, R[0].pubkey, {R[0]});
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else
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dht.pendingRouterLookups.NotFound(owner);
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return true;
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}
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} // namespace dht
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} // namespace llarp
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