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Jason Rhinelander 42a7e83c33 Replace epee http rpc server with uWebSockets 
This replaces the NIH epee http server which does not work all that well
with an external C++ library called uWebSockets.  Fundamentally this
gives the following advantages:

- Much less code to maintain
- Just one thread for handling HTTP connections versus epee's pool of
threads
- Uses existing LokiMQ job server and existing thread pool for handling
the actual tasks; they are processed/scheduled in the same "rpc" or
"admin" queues as lokimq rpc calls.  One notable benefit is that "admin"
rpc commands get their own queue (and thus cannot be delayed by long rpc
commands).  Currently the lokimq threads and the http rpc thread pool
and the p2p thread pool and the job queue thread pool and the dns lookup
thread pool and... are *all* different thread pools; this is a step
towards consolidating them.
- Very little mutex contention (which has been a major problem with epee
RPC in the past): there is one mutex (inside uWebSockets) for putting
responses back into the thread managing the connection; everything
internally gets handled through (lock-free) lokimq inproc sockets.
- Faster RPC performance on average, and much better worst case
performance.  Epee's http interface seems to have some race condition
that ocassionally stalls a request (even a very simple one) for a dozen
or more seconds for no good reason.
- Long polling gets redone here to no longer need threads; instead we
just store the request and respond when the thread pool, or else in a
timer (that runs once/second) for timing out long polls.

---

The basic idea of how this works from a high level:

We launch a single thread to handle HTTP RPC requests and response data.
This uWebSockets thread is essentially running an event loop: it never
actually handles any logic; it only serves to shuttle data that arrives
in a request to some other thread, and then, at some later point, to
send some reply back to that waiting connection.  Everything is
asynchronous and non-blocking here: the basic uWebSockets event loop
just operates as things arrive, passes it off immediately, and goes back
to waiting for the next thing to arrive.

The basic flow is like this:

    0. uWS thread -- listens on localhost:22023
    1. uWS thread -- incoming request on localhost:22023
    2. uWS thread -- fires callback, which injects the task into the LokiMQ job queue
    3. LMQ main loop -- schedules it as an RPC job
    4. LMQ rpc thread -- Some LokiMQ thread runs it, gets the result
    5. LMQ rpc thread -- Result gets queued up for the uWS thread
    6. uWS thread -- takes the request and starts sending it
       (asynchronously) back to the requestor.

In more detail:

uWebSockets has registered has registered handlers for non-jsonrpc
requests (legacy JSON or binary).  If the port is restricted then admin
commands get mapped to a "Access denied" response handler, otherwise
public commands (and admin commands on an unrestricted port) go to the
rpc command handler.

POST requests to /json_rpc have their own handler; this is a little
different than the above because it has to parse the request before it
can determine whether it is allowed or not, but once this is done it
continues roughly the same as legacy/binary requests.

uWebSockets then listens on the given IP/port for new incoming requests,
and starts listening for requests in a thread (we own this thread).
When a request arrives, it fires the event handler for that request.
(This may happen multiple times, if the client is sending a bunch of
data in a POST request).  Once we have the full request, we then queue
the job in LokiMQ, putting it in the "rpc" or "admin" command
categories.  (The one practical different here is that "admin" is
configured to be allowed to start up its own thread if all other threads
are busy, while "rpc" commands are prioritized along with everything
else.)  LokiMQ then schedules this, along with native LokiMQ "rpc." or
"admin." requests.

When a LMQ worker thread becomes available, the RPC command gets called
in it and runs.  Whatever output it produces (or error message, if it
throws) then gets wrapped up in jsonrpc boilerplate (if necessary), and
delivered to the uWebSockets thread to be sent in reply to that request.

uWebSockets picks up the data and sends whatever it can without
blocking, then buffers whatever it couldn't send to be sent again in a
later event loop iteration once the requestor can accept more data.
(This part is outside lokid; we only have to give uWS the data and let
it worry about delivery).

---

PR specifics:

Things removed from this PR:

1. ssl settings; with this PR the HTTP RPC interface is plain-text.  The
previous default generated a self-signed certificate for the server on
startup and then the client accepted any certificate.  This is actually
*worse* than unencrypted because it is entirely MITM-readable and yet
might make people think that their RPC communication is encrypted, and
setting up actual certificates is difficult enough that I think most
people don't bother.

uWebSockets *does* support HTTPS, and we could glue the existing options
into it, but I'm not convinced it's worthwhile: it works much better to
put HTTPS in a front-end proxy holding the certificate that proxies
requests to the backend (which can then listen in restricted mode on
some localhost port).  One reason this is better is that it is much
easier to reload and/or restart such a front-end server, while
certificate updates with lokid require a full restart.  Another reason
is that you get an error page instead of a timeout if something is wrong
with the backend.  Finally we also save having to generate a temporary
certificate on *every* lokid invocation.

2. HTTP Digest authentication.  Digest authentication is obsolete (and
was already obsolete when it got added to Monero).  HTTP-Digest was
originally an attempt to provide a password authentication mechanism
that does not leak the password in transit, but still required that the
server know the password.  It only has marginal value against replay
attacks, and is made entirely obsolete by sending traffic over HTTPS
instead.  No client out there supports Digest but *not* Basic auth, and
so given the limited usefulness it seems pointless to support more than
Basic auth for HTTP RPC login.

What's worse is that epee's HTTP Digest authentication is a terrible
implementation: it uses boost::spirit -- a recursive descent parser
meant for building complex language grammars -- just to parse a single
HTTP header for Digest auth.  This is a big load of crap that should
never have been accepted upstream, and that we should get rid of (even
if we wanted to support Digest auth it takes less than 100 lines of code
to do it when *not* using a recursive descent parser).
2020-08-07 17:14:02 -03:00

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# Copyright (c) 2018, The Loki Project
# Copyright (c) 2014-2019, The Monero Project
#
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#
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#
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# conditions and the following disclaimer.
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#
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endif()
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endfunction ()
message(STATUS "Checking submodules")
check_submodule(external/miniupnp)
check_submodule(external/rapidjson)
check_submodule(external/trezor-common)
check_submodule(external/randomx)
check_submodule(external/loki-mq cppzmq)
if(BUILD_TESTS)
check_submodule(external/googletest)
endif()
check_submodule(external/uWebSockets uSockets)
endif()
endif()
# set this to 0 if per-block checkpoint needs to be disabled
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# set(BSDI TRUE)
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cmake_policy(SET CMP0042 NEW)
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endif()
option(BUILD_STATIC_DEPS "Download, build and statically link against core dependencies" OFF)
if(BUILD_STATIC_DEPS)
include(StaticBuild)
endif()
if(MSVC OR MINGW OR BUILD_STATIC_DEPS)
set(DEFAULT_STATIC true)
else()
set(DEFAULT_STATIC false)
endif()
option(STATIC "Try to link external dependencies statically, where possible" ${DEFAULT_STATIC})
if(BUILD_STATIC_DEPS AND NOT STATIC)
message(FATAL_ERROR "Option BUILD_STATIC_DEPS requires STATIC be enabled as well")
endif()
option(BUILD_SHARED_LIBS "Build shared internal libraries" OFF)
if(MINGW)
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message(STATUS "MSYS location: ${msys2_install_path}")
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include")
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# rather than a full path. Unfortunately, this makes the shared libraries get
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# Set default blockchain storage location:
# memory was the default in Cryptonote before Monero implemented LMDB, it still works but is unnecessary.
# set(DATABASE memory)
set(DATABASE lmdb)
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set(DATABASE $ENV{DATABASE})
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endif()
endif()
if(BUILD_STATIC_DEPS)
# SSL::* targets already set up
else()
find_package(OpenSSL REQUIRED)
endif()
message(STATUS "Using OpenSSL include dir at ${OPENSSL_INCLUDE_DIR}")
if(MINGW)
# OpenSSL doesn't seem to properly set up its dependencies on Windows, leading to linking errors
target_link_libraries(OpenSSL::Crypto INTERFACE ws2_32)
endif()
add_definition_if_library_exists(c memset_s "string.h" HAVE_MEMSET_S)
add_definition_if_library_exists(c explicit_bzero "strings.h" HAVE_EXPLICIT_BZERO)
add_definition_if_function_found(strptime HAVE_STRPTIME)
# Generate header for embedded translations
add_subdirectory(translations)
add_library(miniupnpc INTERFACE)
add_library(systemd INTERFACE) # Will do nothing unless we find and enable systemd support
if(NOT TARGET sodium)
# Allow -D DOWNLOAD_SODIUM=FORCE to download without even checking for a local libsodium
option(DOWNLOAD_SODIUM "Allow libsodium to be downloaded and built locally if not found on the system" OFF)
if(NOT DOWNLOAD_SODIUM STREQUAL "FORCE" AND NOT BUILD_STATIC_DEPS)
find_package(PkgConfig REQUIRED)
pkg_check_modules(SODIUM libsodium>=1.0.9 IMPORTED_TARGET)
endif()
add_library(sodium INTERFACE)
if(SODIUM_FOUND AND NOT DOWNLOAD_SODIUM STREQUAL "FORCE" AND NOT BUILD_STATIC_DEPS)
target_link_libraries(sodium INTERFACE PkgConfig::SODIUM)
else()
if(NOT DOWNLOAD_SODIUM AND NOT BUILD_STATIC_DEPS)
message(FATAL_ERROR "Could not find libsodium >= 1.0.9; either install it on your system or use -DDOWNLOAD_SODIUM=ON to download and build an internal copy")
endif()
message(STATUS "Sodium >= 1.0.9 not found, but DOWNLOAD_SODIUM specified, so downloading it")
include(DownloadLibSodium)
target_link_libraries(sodium INTERFACE sodium_vendor)
endif()
# Need this target export so that loki-mq properly picks up sodium
export(TARGETS sodium NAMESPACE sodium:: FILE sodium-exports.cmake)
endif()
if (NOT BUILD_STATIC_DEPS)
find_package(PkgConfig REQUIRED)
pkg_check_modules(UNBOUND libunbound REQUIRED IMPORTED_TARGET)
add_library(libunbound INTERFACE)
target_link_libraries(libunbound INTERFACE PkgConfig::UNBOUND)
endif()
option(WITH_SYSTEMD "Attempts to link against and enable systemd daemon notification support" ON)
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find_package(PkgConfig REQUIRED)
pkg_check_modules(SYSTEMD libsystemd IMPORTED_TARGET)
if(SYSTEMD_FOUND)
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elseif(CMAKE_SYSTEM_NAME STREQUAL Linux)
message(WARNING "systemd not found; building without systemd support (use -DWITH_SYSTEMD=OFF to suppress this warning)")
endif()
endif()
add_subdirectory(external)
target_compile_definitions(easylogging PRIVATE AUTO_INITIALIZE_EASYLOGGINGPP)
# Trezor support check
include(CheckTrezor)
if(MSVC)
add_definitions("/bigobj /MP /W3 /GS- /D_CRT_SECURE_NO_WARNINGS /wd4996 /wd4345 /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /FIinline_c.h /D__SSE4_1__")
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if(STATIC)
foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endforeach()
endif()
include_directories(SYSTEM src/platform/msc)
else()
include(TestCXXAcceptsFlag)
if (NOT ARCH)
set(ARCH native CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
endif()
message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")
if(ARCH STREQUAL "default")
set(ARCH_FLAG "")
elseif(PPC64LE)
set(ARCH_FLAG "-mcpu=power8")
elseif(PPC64)
set(ARCH_FLAG "-mcpu=970")
elseif(PPC)
set(ARCH_FLAG "-mcpu=7400")
elseif(IOS AND ARCH STREQUAL "arm64")
message(STATUS "IOS: Changing arch from arm64 to armv8")
set(ARCH_FLAG "-march=armv8")
elseif(IOS AND ARCH STREQUAL "x86_64")
message(STATUS "IOS: Changing arch from x86_64 to x86-64")
set(ARCH_FLAG "-march=x86-64")
else()
set(ARCH_FLAG "-march=${ARCH}")
if(ARCH STREQUAL "native")
check_c_compiler_flag(-march=native CC_SUPPORTS_MARCH_NATIVE)
if (NOT CC_SUPPORTS_MARCH_NATIVE)
check_c_compiler_flag(-mtune=native CC_SUPPORTS_MTUNE_NATIVE)
if (CC_SUPPORTS_MTUNE_NATIVE)
set(ARCH_FLAG "-mtune=${ARCH}")
else()
set(ARCH_FLAG "")
endif()
endif()
endif()
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_FLAG}")
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-unused-variable -Wno-error=unused-variable -Wno-error=uninitialized")
option(WARNINGS_AS_ERRORS "Enable warning as errors" OFF)
if(NOT MINGW AND WARNINGS_AS_ERRORS)
set(WARNINGS_AS_ERRORS_FLAG "-Werror")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
if(ARM)
set(WARNINGS "${WARNINGS} -Wno-error=inline-asm")
endif()
else()
set(WARNINGS "${WARNINGS} -Wlogical-op -Wno-error=maybe-uninitialized -Wno-error=cpp")
endif()
if(MINGW)
set(WARNINGS "${WARNINGS} -Wno-error=unused-value -Wno-error=unused-but-set-variable")
set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN")
set(Boost_THREADAPI win32)
include_directories(SYSTEM src/platform/mingw)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,10485760")
if(NOT BUILD_64)
add_definitions(-DWINVER=0x0501 -D_WIN32_WINNT=0x0501)
endif()
endif()
set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
option(COVERAGE "Enable profiling for test coverage report" 0)
if(COVERAGE)
message(STATUS "Building with profiling for test coverage report")
set(COVERAGE_FLAGS "-fprofile-arcs -ftest-coverage --coverage")
endif()
# if those don't work for your compiler, single it out where appropriate
if(CMAKE_BUILD_TYPE STREQUAL "Release" AND NOT OPENBSD)
set(C_SECURITY_FLAGS "${C_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
set(C_SECURITY_FLAGS "${C_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
set(CXX_SECURITY_FLAGS "${CXX_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
endif()
# warnings
add_c_flag_if_supported(-Wformat C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-Wformat-security C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat-security CXX_SECURITY_FLAGS)
# -fstack-protector
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fstack-protector C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-fstack-protector-strong C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector-strong CXX_SECURITY_FLAGS)
endif()
# -fno-stack-check
if (IOS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-stack-check")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-stack-check")
endif()
# New in GCC 8.2
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fcf-protection=full C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fcf-protection=full CXX_SECURITY_FLAGS)
endif()
if (NOT WIN32 AND NOT OPENBSD)
add_c_flag_if_supported(-fstack-clash-protection C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-clash-protection CXX_SECURITY_FLAGS)
endif()
# Removed in GCC 9.1 (or before ?), but still accepted, so spams the output
if (NOT CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)
add_c_flag_if_supported(-mmitigate-rop C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-mmitigate-rop CXX_SECURITY_FLAGS)
endif()
# linker
if (NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
# Windows binaries die on startup with PIE when compiled with GCC <9.x
add_linker_flag_if_supported(-pie LD_SECURITY_FLAGS)
endif()
add_linker_flag_if_supported(-Wl,-z,relro LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,now LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,noexecstack noexecstack_SUPPORTED)
if (noexecstack_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecstack")
endif()
add_linker_flag_if_supported(-Wl,-z,noexecheap noexecheap_SUPPORTED)
if (noexecheap_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecheap")
endif()
if(BACKCOMPAT)
add_linker_flag_if_supported(-Wl,--wrap=__divmoddi4 LD_BACKCOMPAT_FLAGS)
add_linker_flag_if_supported(-Wl,--wrap=glob LD_BACKCOMPAT_FLAGS)
message(STATUS "Using Lib C back compat flags: ${LD_BACKCOMPAT_FLAGS}")
endif()
# some windows linker bits
if (WIN32)
add_linker_flag_if_supported(-Wl,--dynamicbase LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--nxcompat LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS)
endif()
message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}")
message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${WARNINGS} ${C_WARNINGS} ${COVERAGE_FLAGS} ${C_SECURITY_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${COVERAGE_FLAGS} ${CXX_SECURITY_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}")
if(ARM)
message(STATUS "Setting FPU Flags for ARM Processors")
#NB NEON hardware does not fully implement the IEEE 754 standard for floating-point arithmetic
#Need custom assembly code to take full advantage of NEON SIMD
#Cortex-A5/9 -mfpu=neon-fp16
#Cortex-A7/15 -mfpu=neon-vfpv4
#Cortex-A8 -mfpu=neon
#ARMv8 -FP and SIMD on by default for all ARM8v-A series, NO -mfpu setting needed
#For custom -mtune, processor IDs for ARMv8-A series:
#0xd04 - Cortex-A35
#0xd07 - Cortex-A57
#0xd08 - Cortex-A72
#0xd03 - Cortex-A73
if(NOT ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp3-d16 CXX_ACCEPTS_VFP3_D16)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp4 CXX_ACCEPTS_VFP4)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=hard CXX_ACCEPTS_MFLOAT_HARD)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=softfp CXX_ACCEPTS_MFLOAT_SOFTFP)
endif()
if(ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-843419 CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
endif()
if(ARM6)
message(STATUS "Selecting VFP for ARMv6")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp")
if(DEPENDS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -marm")
endif()
endif(ARM6)
if(ARM7)
if(CXX_ACCEPTS_VFP3_D16 AND NOT CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP3 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp3-d16")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp3-d16")
endif()
if(CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP4 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp4")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp4")
endif()
if(CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Hardware ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard")
endif()
if(CXX_ACCEPTS_MFLOAT_SOFTFP AND NOT CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Software ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=softfp")
endif()
endif(ARM7)
if(ARM8)
if(CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
message(STATUS "Enabling Cortex-A53 workaround 835769")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
endif()
if(CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
message(STATUS "Enabling Cortex-A53 workaround 843419")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-843419")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-843419")
endif()
endif(ARM8)
endif(ARM)
if(ANDROID AND NOT BUILD_GUI_DEPS STREQUAL "ON" OR IOS)
#From Android 5: "only position independent executables (PIE) are supported"
message(STATUS "Enabling PIE executable")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIE")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} -fPIE -pie")
endif()
if(APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default -DGTEST_HAS_TR1_TUPLE=0")
endif()
# At least some CLANGs default to not enough for monero
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth=900")
if(STATIC)
# STATIC already configures most deps to be linked in statically,
# here we make more deps static if the platform permits it
if (MINGW)
# On Windows, this is as close to fully-static as we get:
# this leaves only deps on /c/Windows/system32/*.dll
set(STATIC_FLAGS "-static")
elseif (NOT (APPLE OR FREEBSD OR OPENBSD OR DRAGONFLY))
# On Linux, we don't support fully static build, but these can be static
set(STATIC_FLAGS "-static-libgcc -static-libstdc++")
endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${STATIC_FLAGS} ")
endif()
endif()
if (${BOOST_IGNORE_SYSTEM_PATHS} STREQUAL "ON")
set(Boost_NO_SYSTEM_PATHS TRUE)
endif()
set(OLD_LIB_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(STATIC)
if(MINGW)
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
set(Boost_NO_BOOST_CMAKE ON)
endif()
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_STATIC_RUNTIME ON)
endif()
set(Boost_USE_MULTITHREADED TRUE) # Needed for macOS, at least, and won't hurt elsewhere
if(BUILD_STATIC_DEPS)
# StaticBuild.cmake sets Boost targets up for us
elseif (WIN32)
find_package(Boost 1.58 QUIET REQUIRED COMPONENTS system filesystem thread date_time serialization program_options locale)
else()
find_package(Boost 1.58 QUIET REQUIRED COMPONENTS system filesystem thread date_time serialization program_options)
endif()
set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_LIB_SUFFIXES})
if(NOT Boost_FOUND)
message(FATAL_ERROR "Could not find Boost libraries, please make sure you have installed Boost or libboost-all-dev (>=1.58) or the equivalent")
elseif(Boost_FOUND)
message(STATUS "Found Boost Version: ${Boost_VERSION}")
if (OPENSSL_VERSION VERSION_GREATER_EQUAL 1.1 AND (
Boost_VERSION VERSION_LESS 1.62.0 OR (Boost_VERSION VERSION_GREATER 100000 AND Boost_VERSION VERSION_LESS 106200)))
message(FATAL_ERROR "Boost ${Boost_VERSION} (older than 1.62) is too old to link with OpenSSL ${OPENSSL_VERSION} (1.1 or newer) found at ${OPENSSL_INCLUDE_DIR} and ${OPENSSL_LIBRARIES}. "
"Update Boost or install OpenSSL 1.0 and set path to it when running cmake: "
"cmake -DOPENSSL_ROOT_DIR='/usr/include/openssl-1.0'")
endif()
endif()
# Interface target for random extra system libraries that we need to link everything against
add_library(extra INTERFACE)
target_link_libraries(extra INTERFACE ${CMAKE_DL_LIBS})
target_link_libraries(extra INTERFACE Boost::boost)
target_link_libraries(extra INTERFACE Threads::Threads)
if(APPLE AND BUILD_SHARED_LIBS)
# Don't crap out on circular dependencies between internal libs on macOS when doing a shared build
target_link_libraries(extra INTERFACE "-undefined dynamic_lookup")
endif()
# Interface target for ICU libs (if needed)
add_library(icu INTERFACE)
if(MINGW)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wa,-mbig-obj")
target_link_libraries(extra INTERFACE mswsock ws2_32 iphlpapi crypt32 bcrypt)
if(DEPENDS)
link_dep_libs(icu INTERFACE "" icuio icui18n icuuc icudata icutu iconv)
else()
link_dep_libs(icu INTERFACE "" icuio icuin icuuc icudt icutu iconv)
endif()
elseif(FREEBSD)
target_link_libraries(extra INTERFACE execinfo)
elseif(DRAGONFLY)
find_library(COMPAT compat)
target_link_libraries(extra INTERFACE ${COMPAT})
elseif(CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
target_link_libraries(extra INTERFACE socket nsl resolv)
elseif(APPLE)
if(DEPENDS)
target_link_libraries(extra INTERFACE "-framework Foundation" "-framework IOKit" "-framework AppKit" "-framework IOKit")
else()
find_library(COREFOUNDATION CoreFoundation)
find_library(IOKIT IOKit)
target_link_libraries(extra INTERFACE ${IOKIT} ${COREFOUNDATION})
endif()
elseif(NOT (MSVC OR DEPENDS OR APPLE OR OPENBSD OR ANDROID))
find_library(RT rt)
target_link_libraries(extra INTERFACE rt)
endif()
if (WIN32)
target_link_libraries(extra INTERFACE setupapi)
endif()
if (BUILD_INTEGRATION)
target_compile_definitions(extra INTERFACE LOKI_ENABLE_INTEGRATION_TEST_HOOKS)
else()
option(USE_READLINE "Build with GNU readline support." ON)
if(USE_READLINE AND BUILD_STATIC_DEPS)
# readline target already set up
elseif(USE_READLINE AND NOT DEPENDS)
find_package(Readline)
if(READLINE_FOUND AND GNU_READLINE_FOUND)
add_library(readline INTERFACE)
target_link_libraries(readline INTERFACE ${GNU_READLINE_LIBRARY})
target_include_directories(readline INTERFACE ${Readline_INCLUDE_DIR})
target_compile_definitions(readline INTERFACE HAVE_READLINE)
message(STATUS "Found readline library at: ${GNU_READLINE_LIBRARY}")
else()
message(STATUS "Could not find GNU readline library so building without readline support")
endif()
elseif(USE_READLINE AND DEPENDS AND NOT MINGW)
find_path(Readline_INCLUDE_PATH readline/readline.h)
find_library(Readline_LIBRARY readline)
find_library(Terminfo_LIBRARY tinfo)
add_library(readline INTERFACE)
target_link_libraries(readline INTERFACE ${Readline_LIBRARY} ${Terminfo_LIBRARY})
target_include_directories(readline INTERFACE ${Readline_INCLUDE_PATH})
target_compile_definitions(readline INTERFACE HAVE_READLINE)
endif()
endif()
if(ANDROID)
target_compile_options(extra INTERFACE "-Wno-error=user-defined-warnings")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32" AND NOT IOS AND NOT FREEBSD)
find_library(ATOMIC atomic)
if (ATOMIC_FOUND)
target_link_libraries(extra INTERFACE ${ATOMIC})
endif()
endif()
option(LOKI_DEBUG_SHORT_PROOFS "Developer option to substantially reduce uptime proof intervals for local test network debugging (the result lokid will not be usable on the live networks)" OFF)
if (LOKI_DEBUG_SHORT_PROOFS)
add_definitions(-DUPTIME_PROOF_BASE_MINUTE=3) # 20x faster uptime proofs
endif()
if(BUILD_STATIC_DEPS)
# sqlite3 target already set up
else()
add_library(sqlite3 INTERFACE)
if (NOT SQLITE3_LIBRARIES)
pkg_check_modules(SQLITE3 REQUIRED sqlite3)
endif()
find_library(sqlite3_link_libs NAMES ${SQLITE3_LIBRARIES} PATHS ${SQLITE3_LIBRARY_DIRS})
message(STATUS "sqlite3: ${SQLITE3_LIBRARIES} ${sqlite3_link_libs}")
target_link_libraries(sqlite3 INTERFACE ${sqlite3_link_libs})
target_include_directories(sqlite3 INTERFACE ${SQLITE3_INCLUDE_DIRS})
endif()
add_subdirectory(contrib)
add_subdirectory(src)
if(BUILD_TESTS)
message(STATUS "Building tests")
add_subdirectory(tests)
else()
message(STATUS "Not building tests")
endif()
if(BUILD_DOCUMENTATION)
set(DOC_GRAPHS "YES" CACHE STRING "Create dependency graphs (needs graphviz)")
set(DOC_FULLGRAPHS "NO" CACHE STRING "Create call/callee graphs (large)")
find_program(DOT_PATH dot)
if (DOT_PATH STREQUAL "DOT_PATH-NOTFOUND")
message("Doxygen: graphviz not found - graphs disabled")
set(DOC_GRAPHS "NO")
endif()
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file("cmake/Doxyfile.in" "Doxyfile" @ONLY)
configure_file("cmake/Doxygen.extra.css.in" "Doxygen.extra.css" @ONLY)
add_custom_target(doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen.." VERBATIM)
endif()
endif()
# when ON - will install libwallet_merged into "lib"
option(BUILD_GUI_DEPS "Build GUI dependencies." OFF)
find_package(PythonInterp)
find_program(iwyu_tool_path NAMES iwyu_tool.py iwyu_tool)
if (iwyu_tool_path AND PYTHONINTERP_FOUND)
add_custom_target(iwyu
COMMAND "${PYTHON_EXECUTABLE}" "${iwyu_tool_path}" -p "${CMAKE_BINARY_DIR}" -- --no_fwd_decls
COMMENT "Running include-what-you-use tool"
VERBATIM
)
endif()
get_property(loki_exec_tgts GLOBAL PROPERTY loki_executable_targets)
set(strip_binaries "")
foreach(tgt ${loki_exec_tgts})
list(APPEND strip_binaries COMMAND ${CMAKE_STRIP} $<TARGET_FILE:${tgt}>)
endforeach()
add_custom_target(strip_binaries ${strip_binaries} DEPENDS ${loki_exec_tgts})
execute_process(COMMAND tar --version RESULT_VARIABLE tar_exit_code OUTPUT_VARIABLE tar_vers)
set(git_tag "unknown")
if(GIT_FOUND)
execute_process(COMMAND "${GIT_EXECUTABLE}" rev-parse --short=9 HEAD RESULT_VARIABLE ret OUTPUT_VARIABLE commithash OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT ret)
set(git_tag ${commithash})
endif()
endif()
set(tar_os ${CMAKE_SYSTEM_NAME})
set(default_archive create_tarxz)
if(tar_os STREQUAL "Linux")
set(tar_os "linux-${CMAKE_SYSTEM_PROCESSOR}")
elseif(tar_os STREQUAL "Darwin")
set(tar_os "macos")
elseif(tar_os STREQUAL "Windows")
if(CMAKE_CROSSCOMPILING AND ARCH_TRIPLET MATCHES i686-.*mingw)
set(tar_os "win-x86")
elseif(CMAKE_CROSSCOMPILING AND ARCH_TRIPLET MATCHES x86_64-.*mingw)
set(tar_os "win-x64")
else()
set(tar_os "windows") # Don't know what arch
endif()
set(default_archive create_zip) # .tar.xz files are too scary for Windows users
endif()
set(tar_dir "loki-${tar_os}-${PROJECT_VERSION}${LOKI_RELEASE_SUFFIX}-${git_tag}")
add_custom_target(create_tarxz
COMMAND ${CMAKE_COMMAND} -E rename bin "${tar_dir}"
COMMAND ${CMAKE_COMMAND} -E tar cvJ "${tar_dir}.tar.xz" -- "${tar_dir}"
COMMAND ${CMAKE_COMMAND} -E rename "${tar_dir}" bin
DEPENDS ${loki_exec_tgts})
add_custom_target(create_zip
COMMAND ${CMAKE_COMMAND} -E rename bin "${tar_dir}"
COMMAND ${CMAKE_COMMAND} -E tar cv "${tar_dir}.zip" --format=zip -- "${tar_dir}"
COMMAND ${CMAKE_COMMAND} -E rename "${tar_dir}" bin
DEPENDS ${loki_exec_tgts})
add_custom_target(create_archive DEPENDS ${default_archive})
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