[tools]: Add remote-compile
A tool for compiling shaders on a remote machine. Helpful for combining with `test-all`, so that a single non-windows machine can validate SPIR-V, MSL and HLSL. Change-Id: I3a0f70e6e4edd13952eb5dc72fbbed7c495036ee Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56940 Auto-Submit: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
Tint LUCI CQ
parent
d09317c0b5
commit
54cfa0b9a1
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@ -53,6 +53,7 @@ option(TINT_BUILD_FUZZERS "Build fuzzers" OFF)
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option(TINT_BUILD_SPIRV_TOOLS_FUZZER "Build SPIRV-Tools fuzzer" OFF)
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option(TINT_BUILD_TESTS "Build tests" ${TINT_BUILD_TESTS_DEFAULT})
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option(TINT_BUILD_AS_OTHER_OS "Override OS detection to force building of *_other.cc files" OFF)
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option(TINT_BUILD_REMOTE_COMPILE "Build the remote-compile tool for validating shaders on a remote machine" OFF)
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option(TINT_ENABLE_MSAN "Enable memory sanitizer" OFF)
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option(TINT_ENABLE_ASAN "Enable address sanitizer" OFF)
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@ -77,6 +78,7 @@ message(STATUS "Tint build with ASAN: ${TINT_ENABLE_ASAN}")
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message(STATUS "Tint build with MSAN: ${TINT_ENABLE_MSAN}")
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message(STATUS "Tint build with UBSAN: ${TINT_ENABLE_UBSAN}")
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message(STATUS "Tint build checking [chromium-style]: ${TINT_CHECK_CHROMIUM_STYLE}")
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message(STATUS "Tint build remote-compile tool: ${TINT_BUILD_REMOTE_COMPILE}")
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message(STATUS "Using python3")
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find_package(PythonInterp 3 REQUIRED)
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@ -99,6 +101,8 @@ if (${TINT_BUILD_SPIRV_TOOLS_FUZZER})
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set(TINT_BUILD_SPV_WRITER ON)
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endif()
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set(TINT_ROOT_SOURCE_DIR ${PROJECT_SOURCE_DIR})
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# CMake < 3.15 sets /W3 in CMAKE_CXX_FLAGS. Remove it if it's there.
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# See https://gitlab.kitware.com/cmake/cmake/-/issues/18317
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if (MSVC)
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@ -112,7 +116,7 @@ if (${TINT_CHECK_CHROMIUM_STYLE})
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endif()
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if (${TINT_BUILD_SPV_READER})
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include_directories("${PROJECT_SOURCE_DIR}/third_party/spirv-tools/include")
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include_directories("${TINT_ROOT_SOURCE_DIR}/third_party/spirv-tools/include")
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endif()
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if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC"))
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@ -171,12 +175,12 @@ if(${TINT_BUILD_DOCS})
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endif()
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function(tint_default_compile_options TARGET)
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target_include_directories(${TARGET} PUBLIC "${PROJECT_SOURCE_DIR}")
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target_include_directories(${TARGET} PUBLIC "${PROJECT_SOURCE_DIR}/include")
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target_include_directories(${TARGET} PUBLIC "${TINT_ROOT_SOURCE_DIR}")
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target_include_directories(${TARGET} PUBLIC "${TINT_ROOT_SOURCE_DIR}/include")
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if (${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER})
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target_include_directories(${TARGET} PUBLIC
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"${PROJECT_SOURCE_DIR}/third_party/spirv-headers/include")
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"${TINT_ROOT_SOURCE_DIR}/third_party/spirv-headers/include")
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endif()
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target_compile_definitions(${TARGET} PUBLIC
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@ -304,13 +308,13 @@ endif()
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add_custom_target(tint-lint
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COMMAND ./tools/lint
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR}
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COMMENT "Running linter"
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VERBATIM)
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add_custom_target(tint-format
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COMMAND ./tools/format
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR}
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COMMENT "Running formatter"
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VERBATIM)
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@ -324,7 +328,11 @@ if (${TINT_EMIT_COVERAGE} AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_custom_target(tint-generate-coverage
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COMMAND ${CMAKE_COMMAND} -E env PATH=${PATH_WITH_CLANG} ./tools/tint-generate-coverage $<TARGET_FILE:tint_unittests>
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DEPENDS tint_unittests
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR}
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COMMENT "Generating tint coverage data"
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VERBATIM)
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endif()
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if (${TINT_BUILD_REMOTE_COMPILE})
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add_subdirectory("${TINT_ROOT_SOURCE_DIR}/tools/src/cmd/remote-compile")
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endif()
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3
Doxyfile
3
Doxyfile
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@ -786,8 +786,9 @@ WARN_LOGFILE =
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# Note: If this tag is empty the current directory is searched.
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INPUT = CODE_OF_CONDUCT.md \
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fuzzers/tint_spirv_tools_fuzzer \
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src \
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fuzzers/tint_spirv_tools_fuzzer
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tools/src \
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# This tag can be used to specify the character encoding of the source files
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# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
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@ -25,6 +25,7 @@ fi
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FILTER="-runtime/references"
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FILES="`find src -type f` `find samples -type f`"
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FILES+="`find tools/src -type f` `find samples -type f`"
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if command -v go &> /dev/null; then
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# Go is installed. Run cpplint in parallel for speed wins
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@ -0,0 +1,37 @@
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# Copyright 2021 The Tint Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set(SRC
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main.cc
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rwmutex.h
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socket.cc
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socket.h
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)
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add_executable(tint-remote-compile ${SRC})
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target_include_directories(tint-remote-compile PRIVATE "${TINT_ROOT_SOURCE_DIR}")
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# If we're building on mac / ios and we have CoreGraphics, then we can use the
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# metal API to validate our shaders. This is roughly 4x faster than invoking
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# the metal shader compiler executable.
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if(APPLE)
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find_library(LIB_CORE_GRAPHICS CoreGraphics)
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if(LIB_CORE_GRAPHICS)
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target_sources(tint-remote-compile PRIVATE "msl_metal.mm")
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target_compile_definitions(tint-remote-compile PRIVATE "-DTINT_ENABLE_MSL_COMPILATION_USING_METAL_API=1")
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target_compile_options(tint-remote-compile PRIVATE "-fmodules" "-fcxx-modules")
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target_link_options(tint-remote-compile PRIVATE "-framework" "CoreGraphics")
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endif()
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endif()
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@ -0,0 +1,30 @@
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// Copyright 2021 The Tint Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef TOOLS_SRC_CMD_REMOTE_COMPILE_COMPILE_H_
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#define TOOLS_SRC_CMD_REMOTE_COMPILE_COMPILE_H_
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#include <string>
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/// The return structure of a compile function
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struct CompileResult {
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/// True if shader compiled
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bool success = false;
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/// Output of the compiler
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std::string output;
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};
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CompileResult CompileMslUsingMetalAPI(const std::string& src);
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#endif // TOOLS_SRC_CMD_REMOTE_COMPILE_COMPILE_H_
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@ -0,0 +1,440 @@
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// Copyright 2021 The Tint Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <type_traits>
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#include <vector>
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#include "tools/src/cmd/remote-compile/compile.h"
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#include "tools/src/cmd/remote-compile/socket.h"
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namespace {
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#if 0
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#define DEBUG(msg, ...) printf(msg "\n", ##__VA_ARGS__)
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#else
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#define DEBUG(...)
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#endif
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/// Print the tool usage, and exit with 1.
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void ShowUsage() {
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const char* name = "tint-remote-compile";
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printf(R"(%s is a tool for compiling a shader on a remote machine
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usage as server:
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%s -s [-p port-number]
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usage as client:
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%s [-p port-number] [server-address] shader-file-path
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[server-address] can be omitted if the TINT_REMOTE_COMPILE_ADDRESS environment
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variable is set.
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Alternatively, you can pass xcrun arguments so %s can be used as a
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drop-in replacement.
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)",
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name, name, name, name);
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exit(1);
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}
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/// The protocol version code. Bump each time the protocol changes
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constexpr uint32_t kProtocolVersion = 1;
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/// Supported shader source languages
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enum SourceLanguage {
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MSL,
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};
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/// Stream is a serialization wrapper around a socket
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struct Stream {
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/// The underlying socket
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Socket* const socket;
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/// Error state
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std::string error;
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/// Writes a uint32_t to the socket
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Stream operator<<(uint32_t v) {
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if (error.empty()) {
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Write(&v, sizeof(v));
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}
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return *this;
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}
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/// Reads a uint32_t from the socket
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Stream operator>>(uint32_t& v) {
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if (error.empty()) {
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Read(&v, sizeof(v));
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}
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return *this;
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}
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/// Writes a std::string to the socket
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Stream operator<<(const std::string& v) {
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if (error.empty()) {
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uint32_t count = static_cast<uint32_t>(v.size());
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*this << count;
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if (count) {
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Write(v.data(), count);
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}
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}
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return *this;
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}
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/// Reads a std::string from the socket
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Stream operator>>(std::string& v) {
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uint32_t count = 0;
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*this >> count;
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if (count) {
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std::vector<char> buf(count);
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if (Read(buf.data(), count)) {
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v = std::string(buf.data(), buf.size());
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}
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} else {
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v.clear();
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}
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return *this;
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}
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/// Writes an enum value to the socket
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template <typename T>
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std::enable_if_t<std::is_enum<T>::value, Stream> operator<<(T e) {
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return *this << static_cast<uint32_t>(e);
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}
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/// Reads an enum value from the socket
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template <typename T>
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std::enable_if_t<std::is_enum<T>::value, Stream> operator>>(T& e) {
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uint32_t v;
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*this >> v;
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e = static_cast<T>(v);
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return *this;
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}
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private:
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bool Write(const void* data, size_t size) {
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if (error.empty()) {
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if (!socket->Write(data, size)) {
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error = "Socket::Write() failed";
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}
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}
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return error.empty();
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}
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bool Read(void* data, size_t size) {
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auto buf = reinterpret_cast<uint8_t*>(data);
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while (size > 0 && error.empty()) {
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if (auto n = socket->Read(buf, size)) {
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if (n > size) {
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error = "Socket::Read() returned more bytes than requested";
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return false;
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}
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size -= n;
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buf += n;
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}
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}
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return error.empty();
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}
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};
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////////////////////////////////////////////////////////////////////////////////
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// Messages
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////////////////////////////////////////////////////////////////////////////////
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/// Base class for all messages
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struct Message {
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/// The type of the message
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enum class Type {
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ConnectionRequest,
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ConnectionResponse,
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CompileRequest,
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CompileResponse,
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};
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explicit Message(Type ty) : type(ty) {}
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Type const type;
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};
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struct ConnectionResponse : Message { // Server -> Client
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ConnectionResponse() : Message(Type::ConnectionResponse) {}
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template <typename T>
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void Serialize(T&& f) {
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f(error);
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}
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std::string error;
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};
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struct ConnectionRequest : Message { // Client -> Server
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using Response = ConnectionResponse;
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explicit ConnectionRequest(uint32_t proto_ver = kProtocolVersion)
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: Message(Type::ConnectionRequest), protocol_version(proto_ver) {}
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template <typename T>
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void Serialize(T&& f) {
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f(protocol_version);
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}
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uint32_t protocol_version;
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};
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struct CompileResponse : Message { // Server -> Client
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CompileResponse() : Message(Type::CompileResponse) {}
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template <typename T>
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void Serialize(T&& f) {
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f(error);
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}
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std::string error;
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};
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struct CompileRequest : Message { // Client -> Server
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using Response = CompileResponse;
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CompileRequest() : Message(Type::CompileRequest) {}
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CompileRequest(SourceLanguage lang, std::string src)
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: Message(Type::CompileRequest), language(lang), source(src) {}
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template <typename T>
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void Serialize(T&& f) {
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f(language);
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f(source);
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}
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SourceLanguage language;
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std::string source;
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};
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/// Writes the message `m` to the stream `s`
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template <typename MESSAGE>
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std::enable_if_t<std::is_base_of<Message, MESSAGE>::value, Stream>& operator<<(
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Stream& s,
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const MESSAGE& m) {
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s << m.type;
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const_cast<MESSAGE&>(m).Serialize([&s](const auto& value) { s << value; });
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return s;
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}
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/// Reads the message `m` from the stream `s`
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template <typename MESSAGE>
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std::enable_if_t<std::is_base_of<Message, MESSAGE>::value, Stream>& operator>>(
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Stream& s,
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MESSAGE& m) {
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Message::Type ty;
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s >> ty;
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if (ty == m.type) {
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m.Serialize([&s](auto& value) { s >> value; });
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} else {
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std::stringstream ss;
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ss << "expected message type " << static_cast<int>(m.type) << ", got "
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<< static_cast<int>(ty);
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s.error = ss.str();
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}
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return s;
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}
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/// Writes the request message `req` to the stream `s`, then reads and returns
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/// the response message from the same stream.
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template <typename REQUEST, typename RESPONSE = typename REQUEST::Response>
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RESPONSE Send(Stream& s, const REQUEST& req) {
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s << req;
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if (s.error.empty()) {
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RESPONSE resp;
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s >> resp;
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if (s.error.empty()) {
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return resp;
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}
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}
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return {};
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}
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} // namespace
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bool RunServer(std::string port);
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bool RunClient(std::string address, std::string port, std::string file);
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int main(int argc, char* argv[]) {
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bool run_server = false;
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std::string port = "19000";
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std::vector<std::string> args;
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for (int i = 1; i < argc; i++) {
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std::string arg = argv[i];
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if (arg == "-s" || arg == "--server") {
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run_server = true;
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continue;
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}
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if (arg == "-p" || arg == "--port") {
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if (i < argc - 1) {
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i++;
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port = argv[i];
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} else {
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printf("expected port number");
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exit(1);
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}
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continue;
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}
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// xcrun flags are ignored so this executable can be used as a replacement
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// for xcrun.
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if ((arg == "-x" || arg == "-sdk") && (i < argc - 1)) {
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i++;
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continue;
|
||||
}
|
||||
if (arg == "metal") {
|
||||
for (; i < argc; i++) {
|
||||
if (std::string(argv[i]) == "-c") {
|
||||
break;
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
args.emplace_back(arg);
|
||||
}
|
||||
|
||||
bool success = false;
|
||||
|
||||
if (run_server) {
|
||||
success = RunServer(port);
|
||||
} else {
|
||||
std::string address;
|
||||
std::string file;
|
||||
switch (args.size()) {
|
||||
case 1:
|
||||
if (auto* addr = getenv("TINT_REMOTE_COMPILE_ADDRESS")) {
|
||||
address = addr;
|
||||
}
|
||||
file = args[0];
|
||||
break;
|
||||
case 2:
|
||||
address = args[0];
|
||||
file = args[1];
|
||||
break;
|
||||
}
|
||||
if (address.empty() || file.empty()) {
|
||||
ShowUsage();
|
||||
}
|
||||
success = RunClient(address, port, file);
|
||||
}
|
||||
|
||||
if (!success) {
|
||||
exit(1);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool RunServer(std::string port) {
|
||||
auto server_socket = Socket::Listen("", port.c_str());
|
||||
if (!server_socket) {
|
||||
printf("Failed to listen on port %s\n", port.c_str());
|
||||
return false;
|
||||
}
|
||||
printf("Listening on port %s...\n", port.c_str());
|
||||
while (auto conn = server_socket->Accept()) {
|
||||
DEBUG("Client connected...");
|
||||
Stream stream{conn.get()};
|
||||
|
||||
{
|
||||
ConnectionRequest req;
|
||||
stream >> req;
|
||||
if (!stream.error.empty()) {
|
||||
printf("%s\n", stream.error.c_str());
|
||||
continue;
|
||||
}
|
||||
ConnectionResponse resp;
|
||||
if (req.protocol_version != kProtocolVersion) {
|
||||
DEBUG("Protocol version mismatch");
|
||||
resp.error = "Protocol version mismatch";
|
||||
stream << resp;
|
||||
continue;
|
||||
}
|
||||
stream << resp;
|
||||
}
|
||||
DEBUG("Connection established");
|
||||
{
|
||||
CompileRequest req;
|
||||
stream >> req;
|
||||
if (!stream.error.empty()) {
|
||||
printf("%s\n", stream.error.c_str());
|
||||
continue;
|
||||
}
|
||||
#ifdef TINT_ENABLE_MSL_COMPILATION_USING_METAL_API
|
||||
if (req.language == SourceLanguage::MSL) {
|
||||
auto result = CompileMslUsingMetalAPI(req.source);
|
||||
CompileResponse resp;
|
||||
if (!result.success) {
|
||||
resp.error = result.output;
|
||||
}
|
||||
stream << resp;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
CompileResponse resp;
|
||||
resp.error = "server cannot compile this type of shader";
|
||||
stream << resp;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool RunClient(std::string address, std::string port, std::string file) {
|
||||
// Read the file
|
||||
std::ifstream input(file, std::ios::binary);
|
||||
if (!input) {
|
||||
printf("Couldn't open '%s'\n", file.c_str());
|
||||
return false;
|
||||
}
|
||||
std::string source((std::istreambuf_iterator<char>(input)),
|
||||
std::istreambuf_iterator<char>());
|
||||
|
||||
constexpr const int timeout_ms = 10000;
|
||||
DEBUG("Connecting to %s:%s...", address.c_str(), port.c_str());
|
||||
auto conn = Socket::Connect(address.c_str(), port.c_str(), timeout_ms);
|
||||
if (!conn) {
|
||||
printf("Connection failed\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
Stream stream{conn.get()};
|
||||
|
||||
DEBUG("Sending connection request...");
|
||||
auto conn_resp = Send(stream, ConnectionRequest{kProtocolVersion});
|
||||
if (!stream.error.empty()) {
|
||||
printf("%s\n", stream.error.c_str());
|
||||
return false;
|
||||
}
|
||||
if (!conn_resp.error.empty()) {
|
||||
printf("%s\n", conn_resp.error.c_str());
|
||||
return false;
|
||||
}
|
||||
DEBUG("Connection established. Requesting compile...");
|
||||
auto comp_resp = Send(stream, CompileRequest{SourceLanguage::MSL, source});
|
||||
if (!stream.error.empty()) {
|
||||
printf("%s\n", stream.error.c_str());
|
||||
return false;
|
||||
}
|
||||
if (!comp_resp.error.empty()) {
|
||||
printf("%s\n", comp_resp.error.c_str());
|
||||
return false;
|
||||
}
|
||||
DEBUG("Compilation successful");
|
||||
return true;
|
||||
}
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
// Copyright 2021 The Tint Authors.
|
||||
//
|
||||
// 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.
|
||||
|
||||
#ifdef TINT_ENABLE_MSL_COMPILATION_USING_METAL_API
|
||||
|
||||
@import Metal;
|
||||
|
||||
// Disable: error: treating #include as an import of module 'std.string'
|
||||
#pragma clang diagnostic push
|
||||
#pragma clang diagnostic ignored "-Wauto-import"
|
||||
#include "compile.h"
|
||||
#pragma clang diagnostic pop
|
||||
|
||||
CompileResult CompileMslUsingMetalAPI(const std::string& src) {
|
||||
CompileResult result;
|
||||
result.success = false;
|
||||
|
||||
NSError* error = nil;
|
||||
|
||||
id<MTLDevice> device = MTLCreateSystemDefaultDevice();
|
||||
if (!device) {
|
||||
result.output = "MTLCreateSystemDefaultDevice returned null";
|
||||
result.success = false;
|
||||
return result;
|
||||
}
|
||||
|
||||
NSString* source = [NSString stringWithCString:src.c_str()
|
||||
encoding:NSUTF8StringEncoding];
|
||||
|
||||
id<MTLLibrary> library = [device newLibraryWithSource:source
|
||||
options:nil
|
||||
error:&error];
|
||||
if (!library) {
|
||||
NSString* output = [error localizedDescription];
|
||||
result.output = [output UTF8String];
|
||||
result.success = false;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,190 @@
|
|||
// Copyright 2020 The Tint Authors
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// https://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.
|
||||
|
||||
#ifndef TOOLS_SRC_CMD_REMOTE_COMPILE_RWMUTEX_H_
|
||||
#define TOOLS_SRC_CMD_REMOTE_COMPILE_RWMUTEX_H_
|
||||
|
||||
#include <condition_variable> // NOLINT
|
||||
#include <mutex> // NOLINT
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// RWMutex
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/// A RWMutex is a reader/writer mutual exclusion lock.
|
||||
/// The lock can be held by an arbitrary number of readers or a single writer.
|
||||
/// Also known as a shared mutex.
|
||||
class RWMutex {
|
||||
public:
|
||||
inline RWMutex() = default;
|
||||
|
||||
/// lockReader() locks the mutex for reading.
|
||||
/// Multiple read locks can be held while there are no writer locks.
|
||||
inline void lockReader();
|
||||
|
||||
/// unlockReader() unlocks the mutex for reading.
|
||||
inline void unlockReader();
|
||||
|
||||
/// lockWriter() locks the mutex for writing.
|
||||
/// If the lock is already locked for reading or writing, lockWriter blocks
|
||||
/// until the lock is available.
|
||||
inline void lockWriter();
|
||||
|
||||
/// unlockWriter() unlocks the mutex for writing.
|
||||
inline void unlockWriter();
|
||||
|
||||
private:
|
||||
RWMutex(const RWMutex&) = delete;
|
||||
RWMutex& operator=(const RWMutex&) = delete;
|
||||
|
||||
int readLocks = 0;
|
||||
int pendingWriteLocks = 0;
|
||||
std::mutex mutex;
|
||||
std::condition_variable cv;
|
||||
};
|
||||
|
||||
void RWMutex::lockReader() {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
readLocks++;
|
||||
}
|
||||
|
||||
void RWMutex::unlockReader() {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
readLocks--;
|
||||
if (readLocks == 0 && pendingWriteLocks > 0) {
|
||||
cv.notify_one();
|
||||
}
|
||||
}
|
||||
|
||||
void RWMutex::lockWriter() {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
if (readLocks > 0) {
|
||||
pendingWriteLocks++;
|
||||
cv.wait(lock, [&] { return readLocks == 0; });
|
||||
pendingWriteLocks--;
|
||||
}
|
||||
lock.release(); // Keep lock held
|
||||
}
|
||||
|
||||
void RWMutex::unlockWriter() {
|
||||
if (pendingWriteLocks > 0) {
|
||||
cv.notify_one();
|
||||
}
|
||||
mutex.unlock();
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// RLock
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/// RLock is a RAII read lock helper for a RWMutex.
|
||||
class RLock {
|
||||
public:
|
||||
/// Constructor.
|
||||
/// Locks `mutex` with a read-lock for the lifetime of the WLock.
|
||||
/// @param mutex the mutex
|
||||
explicit inline RLock(RWMutex& mutex);
|
||||
/// Destructor.
|
||||
/// Unlocks the RWMutex.
|
||||
inline ~RLock();
|
||||
|
||||
/// Move constructor
|
||||
/// @param other the other RLock to move into this RLock.
|
||||
inline RLock(RLock&& other);
|
||||
/// Move assignment operator
|
||||
/// @param other the other RLock to move into this RLock.
|
||||
/// @returns this RLock so calls can be chained
|
||||
inline RLock& operator=(RLock&& other);
|
||||
|
||||
private:
|
||||
RLock(const RLock&) = delete;
|
||||
RLock& operator=(const RLock&) = delete;
|
||||
|
||||
RWMutex* m;
|
||||
};
|
||||
|
||||
RLock::RLock(RWMutex& mutex) : m(&mutex) {
|
||||
m->lockReader();
|
||||
}
|
||||
|
||||
RLock::~RLock() {
|
||||
if (m != nullptr) {
|
||||
m->unlockReader();
|
||||
}
|
||||
}
|
||||
|
||||
RLock::RLock(RLock&& other) {
|
||||
m = other.m;
|
||||
other.m = nullptr;
|
||||
}
|
||||
|
||||
RLock& RLock::operator=(RLock&& other) {
|
||||
m = other.m;
|
||||
other.m = nullptr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// WLock
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/// WLock is a RAII write lock helper for a RWMutex.
|
||||
class WLock {
|
||||
public:
|
||||
/// Constructor.
|
||||
/// Locks `mutex` with a write-lock for the lifetime of the WLock.
|
||||
/// @param mutex the mutex
|
||||
explicit inline WLock(RWMutex& mutex);
|
||||
|
||||
/// Destructor.
|
||||
/// Unlocks the RWMutex.
|
||||
inline ~WLock();
|
||||
|
||||
/// Move constructor
|
||||
/// @param other the other WLock to move into this WLock.
|
||||
inline WLock(WLock&& other);
|
||||
/// Move assignment operator
|
||||
/// @param other the other WLock to move into this WLock.
|
||||
/// @returns this WLock so calls can be chained
|
||||
inline WLock& operator=(WLock&& other);
|
||||
|
||||
private:
|
||||
WLock(const WLock&) = delete;
|
||||
WLock& operator=(const WLock&) = delete;
|
||||
|
||||
RWMutex* m;
|
||||
};
|
||||
|
||||
WLock::WLock(RWMutex& mutex) : m(&mutex) {
|
||||
m->lockWriter();
|
||||
}
|
||||
|
||||
WLock::~WLock() {
|
||||
if (m != nullptr) {
|
||||
m->unlockWriter();
|
||||
}
|
||||
}
|
||||
|
||||
WLock::WLock(WLock&& other) {
|
||||
m = other.m;
|
||||
other.m = nullptr;
|
||||
}
|
||||
|
||||
WLock& WLock::operator=(WLock&& other) {
|
||||
m = other.m;
|
||||
other.m = nullptr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
#endif // TOOLS_SRC_CMD_REMOTE_COMPILE_RWMUTEX_H_
|
||||
|
|
@ -0,0 +1,310 @@
|
|||
// Copyright 2021 The Tint Authors
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// https://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.
|
||||
|
||||
#include "tools/src/cmd/remote-compile/socket.h"
|
||||
|
||||
#include "tools/src/cmd/remote-compile/rwmutex.h"
|
||||
|
||||
#if defined(_WIN32)
|
||||
#include <winsock2.h>
|
||||
#include <ws2tcpip.h>
|
||||
#else
|
||||
#include <netdb.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/tcp.h>
|
||||
#include <sys/select.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32)
|
||||
#include <atomic>
|
||||
namespace {
|
||||
std::atomic<int> wsaInitCount = {0};
|
||||
} // anonymous namespace
|
||||
#else
|
||||
#include <fcntl.h>
|
||||
namespace {
|
||||
using SOCKET = int;
|
||||
} // anonymous namespace
|
||||
#endif
|
||||
|
||||
namespace {
|
||||
constexpr SOCKET InvalidSocket = static_cast<SOCKET>(-1);
|
||||
void init() {
|
||||
#if defined(_WIN32)
|
||||
if (wsaInitCount++ == 0) {
|
||||
WSADATA winsockData;
|
||||
(void)WSAStartup(MAKEWORD(2, 2), &winsockData);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void term() {
|
||||
#if defined(_WIN32)
|
||||
if (--wsaInitCount == 0) {
|
||||
WSACleanup();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
bool setBlocking(SOCKET s, bool blocking) {
|
||||
#if defined(_WIN32)
|
||||
u_long mode = blocking ? 0 : 1;
|
||||
return ioctlsocket(s, FIONBIO, &mode) == NO_ERROR;
|
||||
#else
|
||||
auto arg = fcntl(s, F_GETFL, nullptr);
|
||||
if (arg < 0) {
|
||||
return false;
|
||||
}
|
||||
arg = blocking ? (arg & ~O_NONBLOCK) : (arg | O_NONBLOCK);
|
||||
return fcntl(s, F_SETFL, arg) >= 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool errored(SOCKET s) {
|
||||
if (s == InvalidSocket) {
|
||||
return true;
|
||||
}
|
||||
char error = 0;
|
||||
socklen_t len = sizeof(error);
|
||||
getsockopt(s, SOL_SOCKET, SO_ERROR, &error, &len);
|
||||
return error != 0;
|
||||
}
|
||||
|
||||
class Impl : public Socket {
|
||||
public:
|
||||
static std::shared_ptr<Impl> create(const char* address, const char* port) {
|
||||
init();
|
||||
|
||||
addrinfo hints = {};
|
||||
hints.ai_family = AF_INET;
|
||||
hints.ai_socktype = SOCK_STREAM;
|
||||
hints.ai_protocol = IPPROTO_TCP;
|
||||
hints.ai_flags = AI_PASSIVE;
|
||||
|
||||
addrinfo* info = nullptr;
|
||||
auto err = getaddrinfo(address, port, &hints, &info);
|
||||
#if !defined(_WIN32)
|
||||
if (err) {
|
||||
printf("getaddrinfo(%s, %s) error: %s\n", address, port,
|
||||
gai_strerror(err));
|
||||
}
|
||||
#endif
|
||||
|
||||
if (info) {
|
||||
auto socket =
|
||||
::socket(info->ai_family, info->ai_socktype, info->ai_protocol);
|
||||
auto out = std::make_shared<Impl>(info, socket);
|
||||
out->setOptions();
|
||||
return out;
|
||||
}
|
||||
|
||||
freeaddrinfo(info);
|
||||
term();
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
explicit Impl(SOCKET socket) : info(nullptr), s(socket) {}
|
||||
Impl(addrinfo* info, SOCKET socket) : info(info), s(socket) {}
|
||||
|
||||
~Impl() {
|
||||
freeaddrinfo(info);
|
||||
Close();
|
||||
term();
|
||||
}
|
||||
|
||||
template <typename FUNCTION>
|
||||
void lock(FUNCTION&& f) {
|
||||
RLock l(mutex);
|
||||
f(s, info);
|
||||
}
|
||||
|
||||
void setOptions() {
|
||||
RLock l(mutex);
|
||||
if (s == InvalidSocket) {
|
||||
return;
|
||||
}
|
||||
|
||||
int enable = 1;
|
||||
|
||||
#if !defined(_WIN32)
|
||||
// Prevent sockets lingering after process termination, causing
|
||||
// reconnection issues on the same port.
|
||||
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char*>(&enable),
|
||||
sizeof(enable));
|
||||
|
||||
struct {
|
||||
int l_onoff; /* linger active */
|
||||
int l_linger; /* how many seconds to linger for */
|
||||
} linger = {false, 0};
|
||||
setsockopt(s, SOL_SOCKET, SO_LINGER, reinterpret_cast<char*>(&linger),
|
||||
sizeof(linger));
|
||||
#endif // !defined(_WIN32)
|
||||
|
||||
// Enable TCP_NODELAY.
|
||||
setsockopt(s, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char*>(&enable),
|
||||
sizeof(enable));
|
||||
}
|
||||
|
||||
bool IsOpen() override {
|
||||
{
|
||||
RLock l(mutex);
|
||||
if ((s != InvalidSocket) && !errored(s)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
WLock lock(mutex);
|
||||
s = InvalidSocket;
|
||||
return false;
|
||||
}
|
||||
|
||||
void Close() override {
|
||||
{
|
||||
RLock l(mutex);
|
||||
if (s != InvalidSocket) {
|
||||
#if defined(_WIN32)
|
||||
closesocket(s);
|
||||
#else
|
||||
::shutdown(s, SHUT_RDWR);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
WLock l(mutex);
|
||||
if (s != InvalidSocket) {
|
||||
#if !defined(_WIN32)
|
||||
::close(s);
|
||||
#endif
|
||||
s = InvalidSocket;
|
||||
}
|
||||
}
|
||||
|
||||
size_t Read(void* buffer, size_t bytes) override {
|
||||
RLock lock(mutex);
|
||||
if (s == InvalidSocket) {
|
||||
return 0;
|
||||
}
|
||||
auto len =
|
||||
recv(s, reinterpret_cast<char*>(buffer), static_cast<int>(bytes), 0);
|
||||
return (len < 0) ? 0 : len;
|
||||
}
|
||||
|
||||
bool Write(const void* buffer, size_t bytes) override {
|
||||
RLock lock(mutex);
|
||||
if (s == InvalidSocket) {
|
||||
return false;
|
||||
}
|
||||
if (bytes == 0) {
|
||||
return true;
|
||||
}
|
||||
return ::send(s, reinterpret_cast<const char*>(buffer),
|
||||
static_cast<int>(bytes), 0) > 0;
|
||||
}
|
||||
|
||||
std::shared_ptr<Socket> Accept() override {
|
||||
std::shared_ptr<Impl> out;
|
||||
lock([&](SOCKET socket, const addrinfo*) {
|
||||
if (socket != InvalidSocket) {
|
||||
init();
|
||||
out = std::make_shared<Impl>(::accept(socket, 0, 0));
|
||||
out->setOptions();
|
||||
}
|
||||
});
|
||||
return out;
|
||||
}
|
||||
|
||||
private:
|
||||
addrinfo* const info;
|
||||
SOCKET s = InvalidSocket;
|
||||
RWMutex mutex;
|
||||
};
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
std::shared_ptr<Socket> Socket::Listen(const char* address, const char* port) {
|
||||
auto impl = Impl::create(address, port);
|
||||
if (!impl) {
|
||||
return nullptr;
|
||||
}
|
||||
impl->lock([&](SOCKET socket, const addrinfo* info) {
|
||||
if (bind(socket, info->ai_addr, static_cast<int>(info->ai_addrlen)) != 0) {
|
||||
impl.reset();
|
||||
return;
|
||||
}
|
||||
|
||||
if (listen(socket, 0) != 0) {
|
||||
impl.reset();
|
||||
return;
|
||||
}
|
||||
});
|
||||
return impl;
|
||||
}
|
||||
|
||||
std::shared_ptr<Socket> Socket::Connect(const char* address,
|
||||
const char* port,
|
||||
uint32_t timeoutMillis) {
|
||||
auto impl = Impl::create(address, port);
|
||||
if (!impl) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
std::shared_ptr<Socket> out;
|
||||
impl->lock([&](SOCKET socket, const addrinfo* info) {
|
||||
if (socket == InvalidSocket) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (timeoutMillis == 0) {
|
||||
if (::connect(socket, info->ai_addr,
|
||||
static_cast<int>(info->ai_addrlen)) == 0) {
|
||||
out = impl;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (!setBlocking(socket, false)) {
|
||||
return;
|
||||
}
|
||||
|
||||
auto res =
|
||||
::connect(socket, info->ai_addr, static_cast<int>(info->ai_addrlen));
|
||||
if (res == 0) {
|
||||
if (setBlocking(socket, true)) {
|
||||
out = impl;
|
||||
}
|
||||
} else {
|
||||
const auto microseconds = timeoutMillis * 1000;
|
||||
|
||||
fd_set fdset;
|
||||
FD_ZERO(&fdset);
|
||||
FD_SET(socket, &fdset);
|
||||
|
||||
timeval tv;
|
||||
tv.tv_sec = microseconds / 1000000;
|
||||
tv.tv_usec = microseconds - static_cast<uint32_t>(tv.tv_sec * 1000000);
|
||||
res = select(static_cast<int>(socket + 1), nullptr, &fdset, nullptr, &tv);
|
||||
if (res > 0 && !errored(socket) && setBlocking(socket, true)) {
|
||||
out = impl;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
if (!out) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return out->IsOpen() ? out : nullptr;
|
||||
}
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
// Copyright 2021 The Tint Authors
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// https://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.
|
||||
|
||||
#ifndef TOOLS_SRC_CMD_REMOTE_COMPILE_SOCKET_H_
|
||||
#define TOOLS_SRC_CMD_REMOTE_COMPILE_SOCKET_H_
|
||||
|
||||
#include <atomic>
|
||||
#include <memory>
|
||||
|
||||
/// Socket provides an OS abstraction to a TCP socket.
|
||||
class Socket {
|
||||
public:
|
||||
/// Connects to the given TCP address and port.
|
||||
/// @param address the target socket address
|
||||
/// @param port the target socket port
|
||||
/// @param timeoutMillis the timeout for the connection attempt.
|
||||
/// If timeoutMillis is non-zero and no connection was made before
|
||||
/// timeoutMillis milliseconds, then nullptr is returned.
|
||||
/// @returns the connected Socket, or nullptr on failure
|
||||
static std::shared_ptr<Socket> Connect(const char* address,
|
||||
const char* port,
|
||||
uint32_t timeoutMillis);
|
||||
|
||||
/// Begins listening for connections on the given TCP address and port.
|
||||
/// Call Accept() on the returned Socket to block and wait for a connection.
|
||||
/// @param address the socket address to listen on. Use "localhost" for
|
||||
/// connections from only this machine, or an empty string to allow
|
||||
/// connections from any incoming address.
|
||||
/// @param port the socket port to listen on
|
||||
/// @returns the Socket that listens for connections
|
||||
static std::shared_ptr<Socket> Listen(const char* address, const char* port);
|
||||
|
||||
/// Attempts to read at most `n` bytes into buffer, returning the actual
|
||||
/// number of bytes read.
|
||||
/// read() will block until the socket is closed or at least one byte is read.
|
||||
/// @param buffer the output buffer. Must be at least `n` bytes in size.
|
||||
/// @param n the maximum number of bytes to read
|
||||
/// @return the number of bytes read, or 0 if the socket was closed
|
||||
virtual size_t Read(void* buffer, size_t n) = 0;
|
||||
|
||||
/// Writes `n` bytes from buffer into the socket.
|
||||
/// @param buffer the source data buffer. Must be at least `n` bytes in size.
|
||||
/// @param n the number of bytes to read from `buffer`
|
||||
/// @returns true on success, or false if there was an error or the socket was
|
||||
/// closed.
|
||||
virtual bool Write(const void* buffer, size_t n) = 0;
|
||||
|
||||
/// @returns true if the socket has not been closed.
|
||||
virtual bool IsOpen() = 0;
|
||||
|
||||
/// Closes the socket.
|
||||
virtual void Close() = 0;
|
||||
|
||||
/// Blocks for a connection to be made to the listening port, or for the
|
||||
/// Socket to be closed.
|
||||
/// @returns a pointer to the next established incoming connection
|
||||
virtual std::shared_ptr<Socket> Accept() = 0;
|
||||
};
|
||||
|
||||
#endif // TOOLS_SRC_CMD_REMOTE_COMPILE_SOCKET_H_
|
||||
Loading…
Reference in New Issue