pax_global_header00006660000000000000000000000064144442747570014534gustar00rootroot0000000000000052 comment=c94c20743ed7d4aa37835a5c46567ab0790d4acc cppzmq-4.10.0/000077500000000000000000000000001444427475700131305ustar00rootroot00000000000000cppzmq-4.10.0/.clang-format000066400000000000000000000026121444427475700155040ustar00rootroot00000000000000BasedOnStyle: LLVM IndentWidth: 4 UseTab: Never BreakBeforeBraces: Custom BraceWrapping: AfterClass: true AfterControlStatement: false AfterEnum: true AfterFunction: true AfterNamespace: true AfterObjCDeclaration: true AfterStruct: true AfterUnion: true BeforeCatch: true BeforeElse: false IndentBraces: false AlignConsecutiveAssignments: false AlignConsecutiveDeclarations: false AllowShortIfStatementsOnASingleLine: false IndentCaseLabels: true BinPackArguments: true BinPackParameters: false AlignTrailingComments: true AllowShortBlocksOnASingleLine: false AllowAllParametersOfDeclarationOnNextLine: true AllowShortFunctionsOnASingleLine: InlineOnly AlwaysBreakTemplateDeclarations: false ColumnLimit: 85 MaxEmptyLinesToKeep: 2 KeepEmptyLinesAtTheStartOfBlocks: false ContinuationIndentWidth: 2 PointerAlignment: Right ReflowComments: false SpaceBeforeAssignmentOperators: true SpaceBeforeParens: ControlStatements SpaceInEmptyParentheses: false SpacesInAngles: false SpacesInParentheses: false SpacesInSquareBrackets: false Standard: Cpp11 SortIncludes: false FixNamespaceComments: false BreakBeforeBinaryOperators: NonAssignment SpaceAfterTemplateKeyword: false AlignAfterOpenBracket: Align AlignOperands: true BreakConstructorInitializers: AfterColon ConstructorInitializerAllOnOneLineOrOnePerLine: true SpaceAfterCStyleCast: true BreakBeforeTernaryOperators: true cppzmq-4.10.0/.github/000077500000000000000000000000001444427475700144705ustar00rootroot00000000000000cppzmq-4.10.0/.github/workflows/000077500000000000000000000000001444427475700165255ustar00rootroot00000000000000cppzmq-4.10.0/.github/workflows/ci.yml000066400000000000000000000132141444427475700176440ustar00rootroot00000000000000name: CI on: [push, pull_request] defaults: run: shell: bash jobs: tests: runs-on: ${{ matrix.os }} strategy: matrix: os: ["ubuntu-latest"] cppstd: ["98", "11", "20"] cc: ["gcc-10"] cxx: ["g++-10"] drafts: ["ON"] libzmq: ["4.3.4"] libzmqbuild: ["cmake"] include: # older libzmq and gcc without draft - os: "ubuntu-18.04" cppstd: "11" cc: "gcc-7" cxx: "g++-7" drafts: "OFF" libzmq: "4.2.0" libzmqbuild: "pkgconfig" # gcc 4.8 - os: "ubuntu-18.04" cppstd: "11" cc: "gcc-4.8" cxx: "g++-4.8" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" aptinstall: "gcc-4.8 g++-4.8" # gcc 5 - os: "ubuntu-18.04" cppstd: "11" cc: "gcc-5" cxx: "g++-5" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" aptinstall: "gcc-5 g++-5" # without draft - os: "ubuntu-latest" cppstd: "20" cc: "gcc-10" cxx: "g++-10" drafts: "OFF" libzmq: "4.3.4" libzmqbuild: "cmake" # coverage (gcc version should match gcov version) - os: "ubuntu-latest" cppstd: "17" cc: "gcc-9" cxx: "g++-9" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" coverage: "-DCOVERAGE=ON" aptinstall: "lcov" # clang - os: "ubuntu-latest" cppstd: "17" cc: "clang-12" cxx: "clang++-12" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" # macos - os: "macos-latest" cppstd: "17" cc: "clang" cxx: "clang++" drafts: "OFF" libzmq: "4.3.4" libzmqbuild: false brewinstall: "zeromq" # windows - os: "windows-2019" cppstd: "14" cc: "msbuild" cxx: "msbuild" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" platform: "-Ax64" - os: "windows-latest" cppstd: "20" cc: "msbuild" cxx: "msbuild" drafts: "ON" libzmq: "4.3.4" libzmqbuild: "cmake" platform: "-Ax64" env: CC: ${{ matrix.cc }} CXX: ${{ matrix.cxx }} VERBOSE: 1 THREADS: 2 BUILDTYPE: "Debug" steps: - uses: actions/checkout@v2 - name: install_deps run: | if [ ! -z "${{ matrix.aptinstall }}" ]; then sudo apt install -y ${{ matrix.aptinstall }} fi if [ ! -z "${{ matrix.brewinstall }}" ]; then brew install ${{ matrix.brewinstall }} fi - name: get_libzmq run: | curl -L https://github.com/zeromq/libzmq/archive/v${{ matrix.libzmq }}.tar.gz \ >zeromq.tar.gz tar -xvzf zeromq.tar.gz - name: build_libzmq_cmake if: ${{ matrix.libzmqbuild == 'cmake' }} run: | cmake -Hlibzmq-${{ matrix.libzmq }} -Blibzmq-build ${{ matrix.platform}} \ -DWITH_PERF_TOOL=OFF \ -DZMQ_BUILD_TESTS=OFF \ -DCMAKE_BUILD_TYPE=Release \ -DENABLE_DRAFTS=${{ matrix.drafts }} cmake --build libzmq-build --config ${BUILDTYPE} -j ${THREADS} echo "LIBZMQ=${PWD}/libzmq-build" >> ${GITHUB_ENV} - name: build_libzmq_pkgconfig if: ${{ matrix.libzmqbuild == 'pkgconfig' }} working-directory: libzmq-${{ matrix.libzmq }} run: | ./autogen.sh && ./configure --prefix=${PWD}/libzmq-build && make -j ${THREADS} make install echo "LIBZMQ=${PWD}/libzmq-build" >> ${GITHUB_ENV} - name: build env: CMAKE_PREFIX_PATH: ${{ env.LIBZMQ }} run: | cmake -H. -Bbuild ${{ matrix.platform}} ${{ matrix.coverage }} \ -DCMAKE_BUILD_TYPE=${BUILDTYPE} \ -DENABLE_DRAFTS=${{ matrix.drafts }} \ -DCMAKE_CXX_STANDARD=${{ matrix.cppstd }} cmake --build build --config ${BUILDTYPE} -j ${THREADS} echo "CPPZMQ=${PWD}/build" >> ${GITHUB_ENV} - name: test # for unknown reason no tests are found and run on windows # could be something to do with catch_discover_tests not working? run: | cd ${{ env.CPPZMQ }} ctest -V -C ${BUILDTYPE} - name: demo # probably need to install libzmq and cppzmq for this to work on windows if: ${{ matrix.os == 'ubuntu*' }} env: CMAKE_PREFIX_PATH: ${{ env.LIBZMQ }}:${{ env.CPPZMQ }} run: | cd demo cmake -H. -Bbuild ${{ matrix.platform}} \ -DCMAKE_BUILD_TYPE=${BUILDTYPE} \ -DCMAKE_CXX_STANDARD=${{ matrix.cppstd }} cmake --build build --config ${BUILDTYPE} cd build ctest -V -C ${BUILDTYPE} - name: lcov if: ${{ matrix.coverage && success() }} run: | lcov --capture --directory . --output-file coverage.info lcov --remove coverage.info -o coverage_filtered.info \ '/usr/include/*' \ '/usr/local/include/*' \ ${PWD}'/tests/*' \ ${PWD}'/build/*' # to generate local html: genhtml coverage_filtered.info --output-directory . - name: coveralls_upload if: ${{ matrix.coverage && success() }} uses: coverallsapp/github-action@master with: github-token: ${{ secrets.GITHUB_TOKEN }} path-to-lcov: ./coverage_filtered.info cppzmq-4.10.0/.gitignore000066400000000000000000000000611444427475700151150ustar00rootroot00000000000000# Vim tmp files *.swp # Build directory *build/ cppzmq-4.10.0/CMakeLists.txt000066400000000000000000000105251444427475700156730ustar00rootroot00000000000000cmake_minimum_required(VERSION 3.11) list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake") include (DetectCPPZMQVersion) project(cppzmq VERSION ${DETECTED_CPPZMQ_VERSION}) if (NOT TARGET libzmq AND NOT TARGET libzmq-static) find_package(ZeroMQ QUIET) # libzmq autotools install: fallback to pkg-config if(NOT ZeroMQ_FOUND) message(STATUS "CMake libzmq package not found, trying again with pkg-config (normal install of zeromq)") list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/libzmq-pkg-config) find_package(ZeroMQ REQUIRED) endif() # TODO "REQUIRED" above should already cause a fatal failure if not found, but this doesn't seem to work if(NOT ZeroMQ_FOUND) message(FATAL_ERROR "ZeroMQ was not found, neither as a CMake package nor via pkg-config") endif() if (ZeroMQ_FOUND AND NOT (TARGET libzmq OR TARGET libzmq-static)) message(FATAL_ERROR "ZeroMQ version not supported!") endif() endif() if (EXISTS "${CMAKE_SOURCE_DIR}/.git") OPTION (ENABLE_DRAFTS "Build and install draft classes and methods" ON) else () OPTION (ENABLE_DRAFTS "Build and install draft classes and methods" OFF) endif () if (ENABLE_DRAFTS) ADD_DEFINITIONS (-DZMQ_BUILD_DRAFT_API) set (pkg_config_defines "-DZMQ_BUILD_DRAFT_API=1") else (ENABLE_DRAFTS) set (pkg_config_defines "") endif (ENABLE_DRAFTS) message(STATUS "cppzmq v${cppzmq_VERSION}") set(CPPZMQ_HEADERS zmq.hpp zmq_addon.hpp ) foreach (target cppzmq cppzmq-static) add_library(${target} INTERFACE) target_include_directories(${target} INTERFACE $ $) endforeach() target_link_libraries(cppzmq INTERFACE libzmq) target_link_libraries(cppzmq-static INTERFACE libzmq-static) include(GNUInstallDirs) include(CMakePackageConfigHelpers) install(TARGETS cppzmq cppzmq-static EXPORT ${PROJECT_NAME}-targets) install(FILES ${CPPZMQ_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share". set(CPPZMQ_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for cppzmqConfig.cmake") configure_file(libzmq-pkg-config/FindZeroMQ.cmake libzmq-pkg-config/FindZeroMQ.cmake COPYONLY) export(EXPORT ${PROJECT_NAME}-targets FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake") configure_package_config_file(${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" INSTALL_DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}) # Workaround until ARCH_INDEPENDENT flag can be used with cmake 3.14. # The ConigVersion.cmake file contains checks for the architecture is was # generated on, which can cause problems for header only libraries # used with e.g. the Conan package manager. Since it is header only we # can/should omit those checks. set(CPPZMQ_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P}) set(CMAKE_SIZEOF_VOID_P "") # a simple unset is not sufficient write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake VERSION ${CPPZMQ_VERSION} COMPATIBILITY AnyNewerVersion) set(CMAKE_SIZEOF_VOID_P ${CPPZMQ_SIZEOF_VOID_P}) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cppzmq.pc.in ${CMAKE_CURRENT_BINARY_DIR}/cppzmq.pc @ONLY) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/cppzmq.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) install(EXPORT ${PROJECT_NAME}-targets FILE ${PROJECT_NAME}Targets.cmake DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}) install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/libzmq-pkg-config/FindZeroMQ.cmake DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}/libzmq-pkg-config) option(CPPZMQ_BUILD_TESTS "Whether or not to build the tests" ON) if (CPPZMQ_BUILD_TESTS) enable_testing() add_subdirectory(tests) if (CMAKE_CXX_STANDARD AND NOT CMAKE_CXX_STANDARD EQUAL 98 AND CMAKE_CXX_STANDARD GREATER_EQUAL 11) add_subdirectory(examples) endif() endif() cppzmq-4.10.0/LICENSE000066400000000000000000000020731444427475700141370ustar00rootroot00000000000000 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. cppzmq-4.10.0/README.md000066400000000000000000000163701444427475700144160ustar00rootroot00000000000000[![CI](https://github.com/zeromq/cppzmq/actions/workflows/ci.yml/badge.svg)](https://github.com/zeromq/cppzmq/actions) [![Coverage Status](https://coveralls.io/repos/github/zeromq/cppzmq/badge.svg?branch=master)](https://coveralls.io/github/zeromq/cppzmq?branch=master) [![License](https://img.shields.io/github/license/zeromq/cppzmq.svg)](https://github.com/zeromq/cppzmq/blob/master/LICENSE) Introduction & Design Goals =========================== cppzmq is a C++ binding for libzmq. It has the following design goals: - cppzmq maps the libzmq C API to C++ concepts. In particular: - it is type-safe (the libzmq C API exposes various class-like concepts as void*) - it provides exception-based error handling (the libzmq C API provides errno-based error handling) - it provides RAII-style classes that automate resource management (the libzmq C API requires the user to take care to free resources explicitly) - cppzmq is a light-weight, header-only binding. You only need to include the header file zmq.hpp (and maybe zmq_addon.hpp) to use it. - zmq.hpp is meant to contain direct mappings of the abstractions provided by the libzmq C API, while zmq_addon.hpp provides additional higher-level abstractions. There are other C++ bindings for ZeroMQ with different design goals. In particular, none of the following bindings are header-only: - [zmqpp](https://github.com/zeromq/zmqpp) is a high-level binding to libzmq. - [czmqpp](https://github.com/zeromq/czmqpp) is a binding based on the high-level czmq API. - [fbzmq](https://github.com/facebook/fbzmq) is a binding that integrates with Apache Thrift and provides higher-level abstractions in addition. It requires C++14. Supported platforms =================== - Only a subset of the platforms that are supported by libzmq itself are supported. Some features already require a compiler supporting C++11. In the future, probably all features will require C++11. To build and run the tests, CMake and Catch are required. - Any libzmq 4.x version is expected to work. DRAFT features may only work for the most recent tested version. Currently explicitly tested libzmq versions are - 4.2.0 (without DRAFT API) - 4.3.4 (with and without DRAFT API) - Platforms with full support (i.e. CI executing build and tests) - Ubuntu 18.04 x64 (with gcc 4.8.5, 5.5.0, 7.5.0) - Ubuntu 20.04 x64 (with gcc 9.3.0, 10.3.0 and clang 12) - Visual Studio 2017 x64 - Visual Studio 2019 x64 - macOS 10.15 (with clang 12, without DRAFT API) - Additional platforms that are known to work: - We have no current reports on additional platforms that are known to work yet. Please add your platform here. If CI can be provided for them with a cloud-based CI service working with GitHub, you are invited to add CI, and make it possible to be included in the list above. - Additional platforms that probably work: - Any platform supported by libzmq that provides a sufficiently recent gcc (4.8.1 or newer) or clang (3.4.1 or newer) - Visual Studio 2012+ x86/x64 Examples ======== These examples require at least C++11. ```c++ #include int main() { zmq::context_t ctx; zmq::socket_t sock(ctx, zmq::socket_type::push); sock.bind("inproc://test"); sock.send(zmq::str_buffer("Hello, world"), zmq::send_flags::dontwait); } ``` This a more complex example where we send and receive multi-part messages over TCP with a wildcard port. ```c++ #include #include int main() { zmq::context_t ctx; zmq::socket_t sock1(ctx, zmq::socket_type::push); zmq::socket_t sock2(ctx, zmq::socket_type::pull); sock1.bind("tcp://127.0.0.1:*"); const std::string last_endpoint = sock1.get(zmq::sockopt::last_endpoint); std::cout << "Connecting to " << last_endpoint << std::endl; sock2.connect(last_endpoint); std::array send_msgs = { zmq::str_buffer("foo"), zmq::str_buffer("bar!") }; if (!zmq::send_multipart(sock1, send_msgs)) return 1; std::vector recv_msgs; const auto ret = zmq::recv_multipart( sock2, std::back_inserter(recv_msgs)); if (!ret) return 1; std::cout << "Got " << *ret << " messages" << std::endl; return 0; } ``` See the `examples` directory for more examples. When the project is compiled with tests enabled, each example gets compiled to an executable. API Overview ============ For an extensive overview of the `zmq.hpp` API in use, see this [Tour of CPPZMQ by @brettviren](https://brettviren.github.io/cppzmq-tour/index.html). Bindings for libzmq in `zmq.hpp`: Types: * class `zmq::context_t` * enum `zmq::ctxopt` * class `zmq::socket_t` * class `zmq::socket_ref` * enum `zmq::socket_type` * enum `zmq::sockopt` * enum `zmq::send_flags` * enum `zmq::recv_flags` * class `zmq::message_t` * class `zmq::const_buffer` * class `zmq::mutable_buffer` * struct `zmq::recv_buffer_size` * alias `zmq::send_result_t` * alias `zmq::recv_result_t` * alias `zmq::recv_buffer_result_t` * class `zmq::error_t` * class `zmq::monitor_t` * struct `zmq_event_t`, * alias `zmq::free_fn`, * alias `zmq::pollitem_t`, * alias `zmq::fd_t` * class `zmq::poller_t` DRAFT * enum `zmq::event_flags` DRAFT * enum `zmq::poller_event` DRAFT Functions: * `zmq::version` * `zmq::poll` * `zmq::proxy` * `zmq::proxy_steerable` * `zmq::buffer` * `zmq::str_buffer` Extra high-level types and functions `zmq_addon.hpp`: Types: * class `zmq::multipart_t` * class `zmq::active_poller_t` DRAFT Functions: * `zmq::recv_multipart` * `zmq::send_multipart` * `zmq::send_multipart_n` * `zmq::encode` * `zmq::decode` Compatibility Guidelines ======================== The users of cppzmq are expected to follow the guidelines below to ensure not to break when upgrading cppzmq to newer versions (non-exhaustive list): * Do not depend on any macros defined in cppzmq unless explicitly declared public here. The following macros may be used by consumers of cppzmq: `CPPZMQ_VERSION`, `CPPZMQ_VERSION_MAJOR`, `CPPZMQ_VERSION_MINOR`, `CPPZMQ_VERSION_PATCH`. Contribution policy =================== The contribution policy is at: http://rfc.zeromq.org/spec:22 Build instructions ================== Build steps: 1. Build [libzmq](https://github.com/zeromq/libzmq) via cmake. This does an out of source build and installs the build files - download and unzip the lib, cd to directory - mkdir build - cd build - cmake .. - sudo make -j4 install 2. Build cppzmq via cmake. This does an out of source build and installs the build files - download and unzip the lib, cd to directory - mkdir build - cd build - cmake .. - sudo make -j4 install 3. Build cppzmq via [vcpkg](https://github.com/Microsoft/vcpkg/). This does an out of source build and installs the build files - git clone https://github.com/Microsoft/vcpkg.git - cd vcpkg - ./bootstrap-vcpkg.sh # bootstrap-vcpkg.bat for Powershell - ./vcpkg integrate install - ./vcpkg install cppzmq Using this: A cmake find package scripts is provided for you to easily include this library. Add these lines in your CMakeLists.txt to include the headers and library files of cpp zmq (which will also include libzmq for you). ``` #find cppzmq wrapper, installed by make of cppzmq find_package(cppzmq) target_link_libraries(*Your Project Name* cppzmq) ``` cppzmq-4.10.0/cmake/000077500000000000000000000000001444427475700142105ustar00rootroot00000000000000cppzmq-4.10.0/cmake/DetectCPPZMQVersion.cmake000066400000000000000000000012111444427475700207160ustar00rootroot00000000000000 file(READ "${CMAKE_CURRENT_SOURCE_DIR}/zmq.hpp" _CPPZMQ_H_CONTENTS) string(REGEX REPLACE ".*#define CPPZMQ_VERSION_MAJOR ([0-9]+).*" "\\1" DETECTED_CPPZMQ_VERSION_MAJOR "${_CPPZMQ_H_CONTENTS}") string(REGEX REPLACE ".*#define CPPZMQ_VERSION_MINOR ([0-9]+).*" "\\1" DETECTED_CPPZMQ_VERSION_MINOR "${_CPPZMQ_H_CONTENTS}") string(REGEX REPLACE ".*#define CPPZMQ_VERSION_PATCH ([0-9]+).*" "\\1" DETECTED_CPPZMQ_VERSION_PATCH "${_CPPZMQ_H_CONTENTS}") set(DETECTED_CPPZMQ_VERSION "${DETECTED_CPPZMQ_VERSION_MAJOR}.${DETECTED_CPPZMQ_VERSION_MINOR}.${DETECTED_CPPZMQ_VERSION_PATCH}") message(STATUS "Detected CPPZMQ Version - ${DETECTED_CPPZMQ_VERSION}") cppzmq-4.10.0/cppzmq.pc.in000066400000000000000000000004101444427475700153660ustar00rootroot00000000000000prefix="@CMAKE_INSTALL_PREFIX@" includedir="@CMAKE_INSTALL_FULL_INCLUDEDIR@" Name: @PROJECT_NAME@ Description: C++ binding for libzmq URL: https://github.com/zeromq/cppzmq Version: @PROJECT_VERSION@ Requires: libzmq Cflags: -I"${includedir}" @pkg_config_defines@ cppzmq-4.10.0/cppzmqConfig.cmake.in000066400000000000000000000016751444427475700172100ustar00rootroot00000000000000# cppzmq cmake module # # The following import targets are created # # :: # # cppzmq-static # cppzmq # # This module sets the following variables in your project:: # # cppzmq_FOUND - true if cppzmq found on the system # cppzmq_INCLUDE_DIR - the directory containing cppzmq headers # cppzmq_LIBRARY - the ZeroMQ library for dynamic linking # cppzmq_STATIC_LIBRARY - the ZeroMQ library for static linking @PACKAGE_INIT@ include(CMakeFindDependencyMacro) find_package(ZeroMQ QUIET) # libzmq autotools install: fallback to pkg-config if(NOT ZeroMQ_FOUND) list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/libzmq-pkg-config) find_package(ZeroMQ REQUIRED) endif() if(NOT ZeroMQ_FOUND) message(FATAL_ERROR "ZeroMQ was NOT found!") endif() if(NOT TARGET @PROJECT_NAME@) include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake") get_target_property(@PROJECT_NAME@_INCLUDE_DIR cppzmq INTERFACE_INCLUDE_DIRECTORIES) endif() cppzmq-4.10.0/demo/000077500000000000000000000000001444427475700140545ustar00rootroot00000000000000cppzmq-4.10.0/demo/CMakeLists.txt000066400000000000000000000004561444427475700166210ustar00rootroot00000000000000cmake_minimum_required(VERSION 3.0 FATAL_ERROR) project(cppzmq-demo CXX) find_package(cppzmq) enable_testing() add_executable( demo main.cpp ) target_link_libraries( demo cppzmq ) add_test( NAME demo COMMAND ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/demo ) cppzmq-4.10.0/demo/main.cpp000066400000000000000000000001421444427475700155010ustar00rootroot00000000000000#include int main(int argc, char **argv) { zmq::context_t context; return 0; } cppzmq-4.10.0/examples/000077500000000000000000000000001444427475700147465ustar00rootroot00000000000000cppzmq-4.10.0/examples/CMakeLists.txt000066400000000000000000000016441444427475700175130ustar00rootroot00000000000000cmake_minimum_required(VERSION 3.0 FATAL_ERROR) project(cppzmq-examples CXX) # place binaries and libraries according to GNU standards include(GNUInstallDirs) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}) find_package(Threads) find_package(cppzmq) add_executable( pubsub_multithread_inproc pubsub_multithread_inproc.cpp ) target_link_libraries( pubsub_multithread_inproc PRIVATE cppzmq ${CMAKE_THREAD_LIBS_INIT} ) add_executable( hello_world hello_world.cpp ) target_link_libraries( hello_world PRIVATE cppzmq ${CMAKE_THREAD_LIBS_INIT} ) add_executable( multipart_messages multipart_messages.cpp ) target_link_libraries( multipart_messages PRIVATE cppzmq ${CMAKE_THREAD_LIBS_INIT} ) cppzmq-4.10.0/examples/hello_world.cpp000066400000000000000000000003331444427475700177630ustar00rootroot00000000000000#include int main() { zmq::context_t ctx; zmq::socket_t sock(ctx, zmq::socket_type::push); sock.bind("inproc://test"); sock.send(zmq::str_buffer("Hello, world"), zmq::send_flags::dontwait); } cppzmq-4.10.0/examples/multipart_messages.cpp000066400000000000000000000015501444427475700213630ustar00rootroot00000000000000#include #include int main() { zmq::context_t ctx; zmq::socket_t sock1(ctx, zmq::socket_type::push); zmq::socket_t sock2(ctx, zmq::socket_type::pull); sock1.bind("tcp://127.0.0.1:*"); const std::string last_endpoint = sock1.get(zmq::sockopt::last_endpoint); std::cout << "Connecting to " << last_endpoint << std::endl; sock2.connect(last_endpoint); std::array send_msgs = { zmq::str_buffer("foo"), zmq::str_buffer("bar!") }; if (!zmq::send_multipart(sock1, send_msgs)) return 1; std::vector recv_msgs; const auto ret = zmq::recv_multipart( sock2, std::back_inserter(recv_msgs)); if (!ret) return 1; std::cout << "Got " << *ret << " messages" << std::endl; return 0; } cppzmq-4.10.0/examples/pubsub_multithread_inproc.cpp000066400000000000000000000066761444427475700227450ustar00rootroot00000000000000#include #include #include #include #include "zmq.hpp" #include "zmq_addon.hpp" void PublisherThread(zmq::context_t *ctx) { // Prepare publisher zmq::socket_t publisher(*ctx, zmq::socket_type::pub); publisher.bind("inproc://#1"); // Give the subscribers a chance to connect, so they don't lose any messages std::this_thread::sleep_for(std::chrono::milliseconds(20)); while (true) { // Write three messages, each with an envelope and content publisher.send(zmq::str_buffer("A"), zmq::send_flags::sndmore); publisher.send(zmq::str_buffer("Message in A envelope")); publisher.send(zmq::str_buffer("B"), zmq::send_flags::sndmore); publisher.send(zmq::str_buffer("Message in B envelope")); publisher.send(zmq::str_buffer("C"), zmq::send_flags::sndmore); publisher.send(zmq::str_buffer("Message in C envelope")); std::this_thread::sleep_for(std::chrono::milliseconds(100)); } } void SubscriberThread1(zmq::context_t *ctx) { // Prepare subscriber zmq::socket_t subscriber(*ctx, zmq::socket_type::sub); subscriber.connect("inproc://#1"); // Thread2 opens "A" and "B" envelopes subscriber.set(zmq::sockopt::subscribe, "A"); subscriber.set(zmq::sockopt::subscribe, "B"); while (1) { // Receive all parts of the message std::vector recv_msgs; zmq::recv_result_t result = zmq::recv_multipart(subscriber, std::back_inserter(recv_msgs)); assert(result && "recv failed"); assert(*result == 2); std::cout << "Thread2: [" << recv_msgs[0].to_string() << "] " << recv_msgs[1].to_string() << std::endl; } } void SubscriberThread2(zmq::context_t *ctx) { // Prepare our context and subscriber zmq::socket_t subscriber(*ctx, zmq::socket_type::sub); subscriber.connect("inproc://#1"); // Thread3 opens ALL envelopes subscriber.set(zmq::sockopt::subscribe, ""); while (1) { // Receive all parts of the message std::vector recv_msgs; zmq::recv_result_t result = zmq::recv_multipart(subscriber, std::back_inserter(recv_msgs)); assert(result && "recv failed"); assert(*result == 2); std::cout << "Thread3: [" << recv_msgs[0].to_string() << "] " << recv_msgs[1].to_string() << std::endl; } } int main() { /* * No I/O threads are involved in passing messages using the inproc transport. * Therefore, if you are using a ØMQ context for in-process messaging only you * can initialise the context with zero I/O threads. * * Source: http://api.zeromq.org/4-3:zmq-inproc */ zmq::context_t ctx(0); auto thread1 = std::async(std::launch::async, PublisherThread, &ctx); // Give the publisher a chance to bind, since inproc requires it std::this_thread::sleep_for(std::chrono::milliseconds(10)); auto thread2 = std::async(std::launch::async, SubscriberThread1, &ctx); auto thread3 = std::async(std::launch::async, SubscriberThread2, &ctx); thread1.wait(); thread2.wait(); thread3.wait(); /* * Output: * An infinite loop of a mix of: * Thread2: [A] Message in A envelope * Thread2: [B] Message in B envelope * Thread3: [A] Message in A envelope * Thread3: [B] Message in B envelope * Thread3: [C] Message in C envelope */ } cppzmq-4.10.0/libzmq-pkg-config/000077500000000000000000000000001444427475700164505ustar00rootroot00000000000000cppzmq-4.10.0/libzmq-pkg-config/FindZeroMQ.cmake000066400000000000000000000017721444427475700214370ustar00rootroot00000000000000set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH ON) find_package(PkgConfig) pkg_check_modules(PC_LIBZMQ QUIET libzmq) set(ZeroMQ_VERSION ${PC_LIBZMQ_VERSION}) find_path(ZeroMQ_INCLUDE_DIR zmq.h PATHS ${ZeroMQ_DIR}/include ${PC_LIBZMQ_INCLUDE_DIRS}) find_library(ZeroMQ_LIBRARY NAMES zmq PATHS ${ZeroMQ_DIR}/lib ${PC_LIBZMQ_LIBDIR} ${PC_LIBZMQ_LIBRARY_DIRS}) if(ZeroMQ_LIBRARY) set(ZeroMQ_FOUND ON) endif() set ( ZeroMQ_LIBRARIES ${ZeroMQ_LIBRARY} ) set ( ZeroMQ_INCLUDE_DIRS ${ZeroMQ_INCLUDE_DIR} ) if(NOT TARGET libzmq) add_library(libzmq UNKNOWN IMPORTED) set_target_properties(libzmq PROPERTIES IMPORTED_LOCATION ${ZeroMQ_LIBRARIES} INTERFACE_INCLUDE_DIRECTORIES ${ZeroMQ_INCLUDE_DIRS}) endif() include ( FindPackageHandleStandardArgs ) # handle the QUIETLY and REQUIRED arguments and set ZMQ_FOUND to TRUE # if all listed variables are TRUE find_package_handle_standard_args ( ZeroMQ DEFAULT_MSG ZeroMQ_LIBRARIES ZeroMQ_INCLUDE_DIRS )cppzmq-4.10.0/tests/000077500000000000000000000000001444427475700142725ustar00rootroot00000000000000cppzmq-4.10.0/tests/CMakeLists.txt000066400000000000000000000021151444427475700170310ustar00rootroot00000000000000find_package(Threads) find_package(Catch2 QUIET) if (NOT Catch2_FOUND) include(FetchContent) FetchContent_Declare( Catch2 GIT_REPOSITORY https://github.com/catchorg/Catch2.git GIT_TAG v2.13.9) FetchContent_MakeAvailable(Catch2) list(APPEND CMAKE_MODULE_PATH ${catch2_SOURCE_DIR}/contrib) endif() add_executable( unit_tests buffer.cpp message.cpp context.cpp socket.cpp socket_ref.cpp poller.cpp active_poller.cpp multipart.cpp recv_multipart.cpp send_multipart.cpp codec_multipart.cpp monitor.cpp utilities.cpp ) target_include_directories(unit_tests PUBLIC ${CATCH_MODULE_PATH}) target_link_libraries( unit_tests PRIVATE Catch2::Catch2 PRIVATE cppzmq PRIVATE ${CMAKE_THREAD_LIBS_INIT} ) OPTION (COVERAGE "Enable gcda file generation needed by lcov" OFF) if (COVERAGE) target_compile_options(unit_tests PRIVATE --coverage) target_link_options(unit_tests PRIVATE --coverage) message(STATUS "Coverage enabled") endif() include(CTest) include(Catch) catch_discover_tests(unit_tests) cppzmq-4.10.0/tests/active_poller.cpp000066400000000000000000000347651444427475700176450ustar00rootroot00000000000000#include #include "testutil.hpp" #if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) && defined(ZMQ_BUILD_DRAFT_API) #include #include TEST_CASE("create destroy", "[active_poller]") { zmq::active_poller_t active_poller; CHECK(active_poller.empty()); } static_assert(!std::is_copy_constructible::value, "active_poller_t should not be copy-constructible"); static_assert(!std::is_copy_assignable::value, "active_poller_t should not be copy-assignable"); static const zmq::active_poller_t::handler_type no_op_handler = [](zmq::event_flags) {}; TEST_CASE("move construct empty", "[active_poller]") { zmq::active_poller_t a; CHECK(a.empty()); zmq::active_poller_t b = std::move(a); CHECK(b.empty()); CHECK(0u == a.size()); CHECK(0u == b.size()); } TEST_CASE("move assign empty", "[active_poller]") { zmq::active_poller_t a; CHECK(a.empty()); zmq::active_poller_t b; CHECK(b.empty()); b = std::move(a); CHECK(0u == a.size()); CHECK(0u == b.size()); CHECK(a.empty()); CHECK(b.empty()); } TEST_CASE("move construct non empty", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t a; a.add(socket, zmq::event_flags::pollin, [](zmq::event_flags) {}); CHECK_FALSE(a.empty()); CHECK(1u == a.size()); zmq::active_poller_t b = std::move(a); CHECK(a.empty()); CHECK(0u == a.size()); CHECK_FALSE(b.empty()); CHECK(1u == b.size()); } TEST_CASE("move assign non empty", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t a; a.add(socket, zmq::event_flags::pollin, no_op_handler); CHECK_FALSE(a.empty()); CHECK(1u == a.size()); zmq::active_poller_t b; b = std::move(a); CHECK(a.empty()); CHECK(0u == a.size()); CHECK_FALSE(b.empty()); CHECK(1u == b.size()); } TEST_CASE("add handler", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; CHECK_NOTHROW( active_poller.add(socket, zmq::event_flags::pollin, no_op_handler)); } TEST_CASE("add null handler fails", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; zmq::active_poller_t::handler_type handler; CHECK_THROWS_AS(active_poller.add(socket, zmq::event_flags::pollin, handler), std::invalid_argument); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 0) // this behaviour was added by https://github.com/zeromq/libzmq/pull/3100 TEST_CASE("add handler invalid events type", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; short invalid_events_type = 2 << 10; CHECK_THROWS_AS( active_poller.add(socket, static_cast(invalid_events_type), no_op_handler), zmq::error_t); CHECK(active_poller.empty()); CHECK(0u == active_poller.size()); } #endif TEST_CASE("add handler twice throws", "[active_poller]") { common_server_client_setup s; CHECK(s.client.send(zmq::message_t{}, zmq::send_flags::none)); zmq::active_poller_t active_poller; bool message_received = false; active_poller.add( s.server, zmq::event_flags::pollin, [&message_received](zmq::event_flags) { message_received = true; }); CHECK_THROWS_ZMQ_ERROR( EINVAL, active_poller.add(s.server, zmq::event_flags::pollin, no_op_handler)); CHECK(1 == active_poller.wait(std::chrono::milliseconds{-1})); CHECK(message_received); // handler unmodified } TEST_CASE("wait with no handlers throws", "[active_poller]") { zmq::active_poller_t active_poller; CHECK_THROWS_ZMQ_ERROR(EFAULT, active_poller.wait(std::chrono::milliseconds{10})); } TEST_CASE("remove unregistered throws", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; CHECK_THROWS_ZMQ_ERROR(EINVAL, active_poller.remove(socket)); } TEST_CASE("remove registered empty", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; active_poller.add(socket, zmq::event_flags::pollin, no_op_handler); CHECK_NOTHROW(active_poller.remove(socket)); } TEST_CASE("remove registered non empty", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; active_poller.add(socket, zmq::event_flags::pollin, no_op_handler); CHECK_NOTHROW(active_poller.remove(socket)); } namespace { struct server_client_setup : common_server_client_setup { zmq::active_poller_t::handler_type handler = [&](zmq::event_flags e) { events = e; }; zmq::event_flags events = zmq::event_flags::none; }; const std::string hi_str = "Hi"; } TEST_CASE("poll basic", "[active_poller]") { server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::active_poller_t active_poller; bool message_received = false; zmq::active_poller_t::handler_type handler = [&message_received](zmq::event_flags events) { CHECK(zmq::event_flags::none != (events & zmq::event_flags::pollin)); message_received = true; }; CHECK_NOTHROW(active_poller.add(s.server, zmq::event_flags::pollin, handler)); CHECK(1 == active_poller.wait(std::chrono::milliseconds{-1})); CHECK(message_received); } /// \todo this contains multiple test cases that should be split up TEST_CASE("client server", "[active_poller]") { const std::string send_msg = hi_str; // Setup server and client server_client_setup s; // Setup active_poller zmq::active_poller_t active_poller; zmq::event_flags events; zmq::active_poller_t::handler_type handler = [&](zmq::event_flags e) { if (zmq::event_flags::none != (e & zmq::event_flags::pollin)) { zmq::message_t zmq_msg; CHECK_NOTHROW(s.server.recv(zmq_msg)); // get message std::string recv_msg(zmq_msg.data(), zmq_msg.size()); CHECK(send_msg == recv_msg); } else if (zmq::event_flags::none != (e & ~zmq::event_flags::pollout)) { INFO("Unexpected event type " << static_cast(events)); REQUIRE(false); } events = e; }; CHECK_NOTHROW(active_poller.add(s.server, zmq::event_flags::pollin, handler)); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{send_msg}, zmq::send_flags::none)); CHECK(1 == active_poller.wait(std::chrono::milliseconds{-1})); CHECK(events == zmq::event_flags::pollin); // Re-add server socket with pollout flag CHECK_NOTHROW(active_poller.remove(s.server)); CHECK_NOTHROW(active_poller.add( s.server, zmq::event_flags::pollin | zmq::event_flags::pollout, handler)); CHECK(1 == active_poller.wait(std::chrono::milliseconds{-1})); CHECK(events == zmq::event_flags::pollout); } TEST_CASE("add invalid socket throws", "[active_poller]") { zmq::context_t context; zmq::active_poller_t active_poller; zmq::socket_t a{context, zmq::socket_type::router}; zmq::socket_t b{std::move(a)}; CHECK_THROWS_AS(active_poller.add(a, zmq::event_flags::pollin, no_op_handler), zmq::error_t); } TEST_CASE("remove invalid socket throws", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::active_poller_t active_poller; CHECK_NOTHROW( active_poller.add(socket, zmq::event_flags::pollin, no_op_handler)); CHECK(1u == active_poller.size()); std::vector sockets; sockets.emplace_back(std::move(socket)); CHECK_THROWS_AS(active_poller.remove(socket), zmq::error_t); CHECK(1u == active_poller.size()); } TEST_CASE("wait on added empty handler", "[active_poller]") { server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::active_poller_t active_poller; CHECK_NOTHROW( active_poller.add(s.server, zmq::event_flags::pollin, no_op_handler)); CHECK_NOTHROW(active_poller.wait(std::chrono::milliseconds{-1})); } TEST_CASE("modify empty throws", "[active_poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::push}; zmq::active_poller_t active_poller; CHECK_THROWS_AS(active_poller.modify(socket, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("modify invalid socket throws", "[active_poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::socket_t b{std::move(a)}; zmq::active_poller_t active_poller; CHECK_THROWS_AS(active_poller.modify(a, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("modify not added throws", "[active_poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::socket_t b{context, zmq::socket_type::push}; zmq::active_poller_t active_poller; CHECK_NOTHROW(active_poller.add(a, zmq::event_flags::pollin, no_op_handler)); CHECK_THROWS_AS(active_poller.modify(b, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("modify simple", "[active_poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::active_poller_t active_poller; CHECK_NOTHROW(active_poller.add(a, zmq::event_flags::pollin, no_op_handler)); CHECK_NOTHROW( active_poller.modify(a, zmq::event_flags::pollin | zmq::event_flags::pollout)); } TEST_CASE("poll client server", "[active_poller]") { // Setup server and client server_client_setup s; // Setup active_poller zmq::active_poller_t active_poller; CHECK_NOTHROW(active_poller.add(s.server, zmq::event_flags::pollin, s.handler)); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify events CHECK_NOTHROW(active_poller.wait(std::chrono::milliseconds{500})); CHECK(s.events == zmq::event_flags::pollin); // Modify server socket with pollout flag CHECK_NOTHROW(active_poller.modify(s.server, zmq::event_flags::pollin | zmq::event_flags::pollout)); CHECK(1 == active_poller.wait(std::chrono::milliseconds{500})); CHECK(s.events == (zmq::event_flags::pollin | zmq::event_flags::pollout)); } TEST_CASE("wait one return", "[active_poller]") { // Setup server and client server_client_setup s; int count = 0; // Setup active_poller zmq::active_poller_t active_poller; CHECK_NOTHROW(active_poller.add(s.server, zmq::event_flags::pollin, [&count](zmq::event_flags) { ++count; })); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify events CHECK(1 == active_poller.wait(std::chrono::milliseconds{500})); CHECK(1u == count); } TEST_CASE("wait on move constructed active_poller", "[active_poller]") { server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::active_poller_t a; CHECK_NOTHROW(a.add(s.server, zmq::event_flags::pollin, no_op_handler)); zmq::active_poller_t b{std::move(a)}; CHECK(1u == b.size()); CHECK(0u == a.size()); CHECK_THROWS_ZMQ_ERROR(EFAULT, a.wait(std::chrono::milliseconds{10})); CHECK(b.wait(std::chrono::milliseconds{-1})); } TEST_CASE("wait on move assigned active_poller", "[active_poller]") { server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::active_poller_t a; CHECK_NOTHROW(a.add(s.server, zmq::event_flags::pollin, no_op_handler)); zmq::active_poller_t b; b = {std::move(a)}; CHECK(1u == b.size()); CHECK(0u == a.size()); CHECK_THROWS_ZMQ_ERROR(EFAULT, a.wait(std::chrono::milliseconds{10})); CHECK(b.wait(std::chrono::milliseconds{-1})); } TEST_CASE("received on move constructed active_poller", "[active_poller]") { // Setup server and client server_client_setup s; int count = 0; // Setup active_poller a zmq::active_poller_t a; CHECK_NOTHROW(a.add(s.server, zmq::event_flags::pollin, [&count](zmq::event_flags) { ++count; })); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify it is received CHECK(1 == a.wait(std::chrono::milliseconds{500})); CHECK(1u == count); // Move construct active_poller b zmq::active_poller_t b{std::move(a)}; // client sends message again CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify it is received CHECK(1 == b.wait(std::chrono::milliseconds{500})); CHECK(2u == count); } TEST_CASE("remove from handler", "[active_poller]") { constexpr size_t ITER_NO = 10; // Setup servers and clients std::vector setup_list; for (size_t i = 0; i < ITER_NO; ++i) setup_list.emplace_back(server_client_setup{}); // Setup active_poller zmq::active_poller_t active_poller; int count = 0; for (size_t i = 0; i < ITER_NO; ++i) { CHECK_NOTHROW(active_poller.add( setup_list[i].server, zmq::event_flags::pollin, [&, i](zmq::event_flags events) { CHECK(events == zmq::event_flags::pollin); active_poller.remove(setup_list[ITER_NO - i - 1].server); CHECK((ITER_NO - i - 1) == active_poller.size()); })); ++count; } CHECK(ITER_NO == active_poller.size()); // Clients send messages for (auto &s : setup_list) { CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); } // Wait for all servers to receive a message for (auto &s : setup_list) { zmq::pollitem_t items[] = {{s.server, 0, ZMQ_POLLIN, 0}}; zmq::poll(&items[0], 1); } // Fire all handlers in one wait CHECK(ITER_NO == active_poller.wait(std::chrono::milliseconds{-1})); CHECK(ITER_NO == count); } #endif cppzmq-4.10.0/tests/buffer.cpp000066400000000000000000000227641444427475700162620ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP17 static_assert(std::is_nothrow_swappable_v); static_assert(std::is_nothrow_swappable_v); static_assert(std::is_trivially_copyable_v); static_assert(std::is_trivially_copyable_v); #endif #ifdef ZMQ_CPP11 using BT = int16_t; TEST_CASE("buffer default ctor", "[buffer]") { constexpr zmq::mutable_buffer mb; constexpr zmq::const_buffer cb; CHECK(mb.size() == 0); CHECK(mb.data() == nullptr); CHECK(cb.size() == 0); CHECK(cb.data() == nullptr); } TEST_CASE("buffer data ctor", "[buffer]") { std::vector v(10); zmq::const_buffer cb(v.data(), v.size() * sizeof(BT)); CHECK(cb.size() == v.size() * sizeof(BT)); CHECK(cb.data() == v.data()); zmq::mutable_buffer mb(v.data(), v.size() * sizeof(BT)); CHECK(mb.size() == v.size() * sizeof(BT)); CHECK(mb.data() == v.data()); zmq::const_buffer from_mut = mb; CHECK(mb.size() == from_mut.size()); CHECK(mb.data() == from_mut.data()); const auto cmb = mb; static_assert(std::is_same::value, ""); constexpr const void *cp = nullptr; constexpr void *p = nullptr; constexpr zmq::const_buffer cecb = zmq::buffer(p, 0); constexpr zmq::mutable_buffer cemb = zmq::buffer(p, 0); CHECK(cecb.data() == nullptr); CHECK(cemb.data() == nullptr); } TEST_CASE("const_buffer operator+", "[buffer]") { std::vector v(10); zmq::const_buffer cb(v.data(), v.size() * sizeof(BT)); const size_t shift = 4; auto shifted = cb + shift; CHECK(shifted.size() == v.size() * sizeof(BT) - shift); CHECK(shifted.data() == v.data() + shift / sizeof(BT)); auto shifted2 = shift + cb; CHECK(shifted.size() == shifted2.size()); CHECK(shifted.data() == shifted2.data()); auto cbinp = cb; cbinp += shift; CHECK(shifted.size() == cbinp.size()); CHECK(shifted.data() == cbinp.data()); } TEST_CASE("mutable_buffer operator+", "[buffer]") { std::vector v(10); zmq::mutable_buffer mb(v.data(), v.size() * sizeof(BT)); const size_t shift = 4; auto shifted = mb + shift; CHECK(shifted.size() == v.size() * sizeof(BT) - shift); CHECK(shifted.data() == v.data() + shift / sizeof(BT)); auto shifted2 = shift + mb; CHECK(shifted.size() == shifted2.size()); CHECK(shifted.data() == shifted2.data()); auto mbinp = mb; mbinp += shift; CHECK(shifted.size() == mbinp.size()); CHECK(shifted.data() == mbinp.data()); } TEST_CASE("mutable_buffer creation basic", "[buffer]") { std::vector v(10); zmq::mutable_buffer mb(v.data(), v.size() * sizeof(BT)); zmq::mutable_buffer mb2 = zmq::buffer(v.data(), v.size() * sizeof(BT)); CHECK(mb.data() == mb2.data()); CHECK(mb.size() == mb2.size()); zmq::mutable_buffer mb3 = zmq::buffer(mb); CHECK(mb.data() == mb3.data()); CHECK(mb.size() == mb3.size()); zmq::mutable_buffer mb4 = zmq::buffer(mb, 10 * v.size() * sizeof(BT)); CHECK(mb.data() == mb4.data()); CHECK(mb.size() == mb4.size()); zmq::mutable_buffer mb5 = zmq::buffer(mb, 4); CHECK(mb.data() == mb5.data()); CHECK(4 == mb5.size()); } TEST_CASE("const_buffer creation basic", "[buffer]") { const std::vector v(10); zmq::const_buffer cb(v.data(), v.size() * sizeof(BT)); zmq::const_buffer cb2 = zmq::buffer(v.data(), v.size() * sizeof(BT)); CHECK(cb.data() == cb2.data()); CHECK(cb.size() == cb2.size()); zmq::const_buffer cb3 = zmq::buffer(cb); CHECK(cb.data() == cb3.data()); CHECK(cb.size() == cb3.size()); zmq::const_buffer cb4 = zmq::buffer(cb, 10 * v.size() * sizeof(BT)); CHECK(cb.data() == cb4.data()); CHECK(cb.size() == cb4.size()); zmq::const_buffer cb5 = zmq::buffer(cb, 4); CHECK(cb.data() == cb5.data()); CHECK(4 == cb5.size()); } TEST_CASE("mutable_buffer creation C array", "[buffer]") { BT d[10] = {}; zmq::mutable_buffer b = zmq::buffer(d); CHECK(b.size() == 10 * sizeof(BT)); CHECK(b.data() == static_cast(d)); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == static_cast(d)); } TEST_CASE("const_buffer creation C array", "[buffer]") { const BT d[10] = {}; zmq::const_buffer b = zmq::buffer(d); CHECK(b.size() == 10 * sizeof(BT)); CHECK(b.data() == static_cast(d)); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == static_cast(d)); } TEST_CASE("mutable_buffer creation array", "[buffer]") { std::array d = {}; zmq::mutable_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(BT)); CHECK(b.data() == d.data()); zmq::mutable_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } TEST_CASE("const_buffer creation array", "[buffer]") { const std::array d = {}; zmq::const_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(BT)); CHECK(b.data() == d.data()); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } TEST_CASE("const_buffer creation array 2", "[buffer]") { std::array d = {{}}; zmq::const_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(BT)); CHECK(b.data() == d.data()); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } TEST_CASE("mutable_buffer creation vector", "[buffer]") { std::vector d(10); zmq::mutable_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(BT)); CHECK(b.data() == d.data()); zmq::mutable_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); d.clear(); b = zmq::buffer(d); CHECK(b.size() == 0); CHECK(b.data() == nullptr); } TEST_CASE("const_buffer creation vector", "[buffer]") { std::vector d(10); zmq::const_buffer b = zmq::buffer(static_cast &>(d)); CHECK(b.size() == d.size() * sizeof(BT)); CHECK(b.data() == d.data()); zmq::const_buffer b2 = zmq::buffer(static_cast &>(d), 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); d.clear(); b = zmq::buffer(static_cast &>(d)); CHECK(b.size() == 0); CHECK(b.data() == nullptr); } TEST_CASE("const_buffer creation string", "[buffer]") { const std::wstring d(10, L'a'); zmq::const_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(wchar_t)); CHECK(b.data() == d.data()); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } TEST_CASE("mutable_buffer creation string", "[buffer]") { std::wstring d(10, L'a'); zmq::mutable_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(wchar_t)); CHECK(b.data() == d.data()); zmq::mutable_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } #if CPPZMQ_HAS_STRING_VIEW TEST_CASE("const_buffer creation string_view", "[buffer]") { std::wstring dstr(10, L'a'); std::wstring_view d = dstr; zmq::const_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(wchar_t)); CHECK(b.data() == d.data()); zmq::const_buffer b2 = zmq::buffer(d, 4); CHECK(b2.size() == 4); CHECK(b2.data() == d.data()); } #endif TEST_CASE("const_buffer creation with str_buffer", "[buffer]") { const wchar_t wd[10] = {}; zmq::const_buffer b = zmq::str_buffer(wd); CHECK(b.size() == 9 * sizeof(wchar_t)); CHECK(b.data() == static_cast(wd)); zmq::const_buffer b2_null = zmq::buffer("hello"); constexpr zmq::const_buffer b2 = zmq::str_buffer("hello"); CHECK(b2_null.size() == 6); CHECK(b2.size() == 5); CHECK(std::string(static_cast(b2.data()), b2.size()) == "hello"); } TEST_CASE("const_buffer creation with zbuf string literal char", "[buffer]") { using namespace zmq::literals; constexpr zmq::const_buffer b = "hello"_zbuf; CHECK(b.size() == 5); CHECK(std::memcmp(b.data(), "hello", b.size()) == 0); } TEST_CASE("const_buffer creation with zbuf string literal wchar_t", "[buffer]") { using namespace zmq::literals; constexpr zmq::const_buffer b = L"hello"_zbuf; CHECK(b.size() == 5 * sizeof(wchar_t)); CHECK(std::memcmp(b.data(), L"hello", b.size()) == 0); } TEST_CASE("const_buffer creation with zbuf string literal char16_t", "[buffer]") { using namespace zmq::literals; constexpr zmq::const_buffer b = u"hello"_zbuf; CHECK(b.size() == 5 * sizeof(char16_t)); CHECK(std::memcmp(b.data(), u"hello", b.size()) == 0); } TEST_CASE("const_buffer creation with zbuf string literal char32_t", "[buffer]") { using namespace zmq::literals; constexpr zmq::const_buffer b = U"hello"_zbuf; CHECK(b.size() == 5 * sizeof(char32_t)); CHECK(std::memcmp(b.data(), U"hello", b.size()) == 0); } TEST_CASE("buffer of structs", "[buffer]") { struct some_pod { int64_t val; char arr[8]; }; struct some_non_pod { int64_t val; char arr[8]; std::vector s; // not trivially copyable }; static_assert(zmq::detail::is_pod_like::value, ""); static_assert(!zmq::detail::is_pod_like::value, ""); std::array d; zmq::mutable_buffer b = zmq::buffer(d); CHECK(b.size() == d.size() * sizeof(some_pod)); CHECK(b.data() == d.data()); } #endif cppzmq-4.10.0/tests/codec_multipart.cpp000066400000000000000000000134141444427475700201570ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP11 TEST_CASE("multipart codec empty", "[codec_multipart]") { using namespace zmq; multipart_t mmsg; message_t msg = mmsg.encode(); CHECK(msg.size() == 0); multipart_t mmsg2; mmsg2.decode_append(msg); CHECK(mmsg2.size() == 0); } TEST_CASE("multipart codec small", "[codec_multipart]") { using namespace zmq; multipart_t mmsg; mmsg.addstr("Hello World"); message_t msg = mmsg.encode(); CHECK(msg.size() == 1 + 11); // small size packing mmsg.addstr("Second frame"); msg = mmsg.encode(); CHECK(msg.size() == 1 + 11 + 1 + 12); multipart_t mmsg2; mmsg2.decode_append(msg); CHECK(mmsg2.size() == 2); std::string part0 = mmsg2[0].to_string(); CHECK(part0 == "Hello World"); CHECK(mmsg2[1].to_string() == "Second frame"); } TEST_CASE("multipart codec big", "[codec_multipart]") { using namespace zmq; message_t big(495); // large size packing big.data()[0] = 'X'; multipart_t mmsg; mmsg.pushmem(big.data(), big.size()); message_t msg = mmsg.encode(); CHECK(msg.size() == 5 + 495); CHECK(msg.data()[0] == std::numeric_limits::max()); CHECK(msg.data()[5] == 'X'); CHECK(mmsg.size() == 1); mmsg.decode_append(msg); CHECK(mmsg.size() == 2); CHECK(mmsg[0].data()[0] == 'X'); } TEST_CASE("multipart codec decode bad data overflow", "[codec_multipart]") { using namespace zmq; char bad_data[3] = {5, 'h', 'i'}; message_t wrong_size(bad_data, 3); CHECK(wrong_size.size() == 3); CHECK(wrong_size.data()[0] == 5); CHECK_THROWS_AS( multipart_t::decode(wrong_size), std::out_of_range); } TEST_CASE("multipart codec decode bad data extra data", "[codec_multipart]") { using namespace zmq; char bad_data[3] = {1, 'h', 'i'}; message_t wrong_size(bad_data, 3); CHECK(wrong_size.size() == 3); CHECK(wrong_size.data()[0] == 1); CHECK_THROWS_AS( multipart_t::decode(wrong_size), std::out_of_range); } // After exercising it, this test is disabled over concern of running // on hosts which lack enough free memory to allow the absurdly large // message part to be allocated. #if 0 TEST_CASE("multipart codec encode too big", "[codec_multipart]") { using namespace zmq; const size_t too_big_size = 1L + std::numeric_limits::max(); CHECK(too_big_size > std::numeric_limits::max()); char* too_big_data = new char[too_big_size]; multipart_t mmsg(too_big_data, too_big_size); delete [] too_big_data; CHECK(mmsg.size() == 1); CHECK(mmsg[0].size() > std::numeric_limits::max()); CHECK_THROWS_AS( mmsg.encode(), std::range_error); } #endif TEST_CASE("multipart codec free function with vector of message_t", "[codec_multipart]") { using namespace zmq; std::vector parts; parts.emplace_back("Hello", 5); parts.emplace_back("World",5); auto msg = encode(parts); CHECK(msg.size() == 1 + 5 + 1 + 5 ); CHECK(msg.data()[0] == 5); CHECK(msg.data()[1] == 'H'); CHECK(msg.data()[6] == 5); CHECK(msg.data()[7] == 'W'); std::vector parts2; decode(msg, std::back_inserter(parts2)); CHECK(parts.size() == 2); CHECK(parts[0].size() == 5); CHECK(parts[1].size() == 5); } TEST_CASE("multipart codec free function with vector of const_buffer", "[codec_multipart]") { using namespace zmq; std::vector parts; parts.emplace_back("Hello", 5); parts.emplace_back("World",5); auto msg = encode(parts); CHECK(msg.size() == 1 + 5 + 1 + 5 ); CHECK(msg.data()[0] == 5); CHECK(msg.data()[1] == 'H'); CHECK(msg.data()[6] == 5); CHECK(msg.data()[7] == 'W'); std::vector parts2; decode(msg, std::back_inserter(parts2)); CHECK(parts.size() == 2); CHECK(parts[0].size() == 5); CHECK(parts[1].size() == 5); } TEST_CASE("multipart codec free function with vector of mutable_buffer", "[codec_multipart]") { using namespace zmq; std::vector parts; char hello[6] = "Hello"; parts.emplace_back(hello, 5); char world[6] = "World"; parts.emplace_back(world,5); auto msg = encode(parts); CHECK(msg.size() == 1 + 5 + 1 + 5 ); CHECK(msg.data()[0] == 5); CHECK(msg.data()[1] == 'H'); CHECK(msg.data()[6] == 5); CHECK(msg.data()[7] == 'W'); std::vector parts2; decode(msg, std::back_inserter(parts2)); CHECK(parts.size() == 2); CHECK(parts[0].size() == 5); CHECK(parts[1].size() == 5); } TEST_CASE("multipart codec free function with multipart_t", "[codec_multipart]") { using namespace zmq; multipart_t mmsg; mmsg.addstr("Hello"); mmsg.addstr("World"); auto msg = encode(mmsg); CHECK(msg.size() == 1 + 5 + 1 + 5); CHECK(msg.data()[0] == 5); CHECK(msg.data()[1] == 'H'); CHECK(msg.data()[6] == 5); CHECK(msg.data()[7] == 'W'); multipart_t mmsg2; decode(msg, std::back_inserter(mmsg2)); CHECK(mmsg2.size() == 2); CHECK(mmsg2[0].size() == 5); CHECK(mmsg2[1].size() == 5); } TEST_CASE("multipart codec static method decode to multipart_t", "[codec_multipart]") { using namespace zmq; multipart_t mmsg; mmsg.addstr("Hello"); mmsg.addstr("World"); auto msg = encode(mmsg); auto mmsg2 = multipart_t::decode(msg); CHECK(mmsg2.size() == 2); CHECK(mmsg2[0].size() == 5); CHECK(mmsg2[1].size() == 5); } #endif cppzmq-4.10.0/tests/context.cpp000066400000000000000000000036431444427475700164700ustar00rootroot00000000000000#include #include #if (__cplusplus >= 201703L) static_assert(std::is_nothrow_swappable::value, "context_t should be nothrow swappable"); #endif TEST_CASE("context construct default and destroy", "[context]") { zmq::context_t context; } TEST_CASE("context create, close and destroy", "[context]") { zmq::context_t context; context.close(); CHECK(NULL == context.handle()); } TEST_CASE("context shutdown", "[context]") { zmq::context_t context; context.shutdown(); CHECK(NULL != context.handle()); context.close(); CHECK(NULL == context.handle()); } TEST_CASE("context shutdown again", "[context]") { zmq::context_t context; context.shutdown(); context.shutdown(); CHECK(NULL != context.handle()); context.close(); CHECK(NULL == context.handle()); } #ifdef ZMQ_CPP11 TEST_CASE("context swap", "[context]") { zmq::context_t context1; zmq::context_t context2; using std::swap; swap(context1, context2); } TEST_CASE("context - use socket after shutdown", "[context]") { zmq::context_t context; zmq::socket_t sock(context, zmq::socket_type::rep); context.shutdown(); try { sock.connect("inproc://test"); zmq::message_t msg; (void)sock.recv(msg, zmq::recv_flags::dontwait); REQUIRE(false); } catch (const zmq::error_t& e) { REQUIRE(e.num() == ETERM); } } TEST_CASE("context set/get options", "[context]") { zmq::context_t context; #if defined(ZMQ_BLOCKY) && defined(ZMQ_IO_THREADS) context.set(zmq::ctxopt::blocky, false); context.set(zmq::ctxopt::io_threads, 5); CHECK(context.get(zmq::ctxopt::io_threads) == 5); #endif CHECK_THROWS_AS( context.set(static_cast(-42), 5), zmq::error_t); CHECK_THROWS_AS( context.get(static_cast(-42)), zmq::error_t); } #endif cppzmq-4.10.0/tests/message.cpp000066400000000000000000000143501444427475700164250ustar00rootroot00000000000000#define CATCH_CONFIG_MAIN #include #include #if defined(ZMQ_CPP11) static_assert(!std::is_copy_constructible::value, "message_t should not be copy-constructible"); static_assert(!std::is_copy_assignable::value, "message_t should not be copy-assignable"); #endif #if (__cplusplus >= 201703L) static_assert(std::is_nothrow_swappable::value, "message_t should be nothrow swappable"); #endif TEST_CASE("message default constructed", "[message]") { const zmq::message_t message; CHECK(0u == message.size()); CHECK(message.empty()); } #ifdef ZMQ_CPP11 TEST_CASE("message swap", "[message]") { const std::string data = "foo"; zmq::message_t message1; zmq::message_t message2(data.data(), data.size()); using std::swap; swap(message1, message2); CHECK(message1.size() == data.size()); CHECK(message2.size() == 0); swap(message1, message2); CHECK(message1.size() == 0); CHECK(message2.size() == data.size()); } #endif namespace { const char *const data = "Hi"; } TEST_CASE("message constructor with iterators", "[message]") { const std::string hi(data); const zmq::message_t hi_msg(hi.begin(), hi.end()); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } TEST_CASE("message constructor with size", "[message]") { const zmq::message_t msg(5); CHECK(msg.size() == 5); } TEST_CASE("message constructor with buffer and size", "[message]") { const std::string hi(data); const zmq::message_t hi_msg(hi.data(), hi.size()); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } TEST_CASE("message constructor with char array", "[message]") { const zmq::message_t hi_msg(data, strlen(data)); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } #if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) TEST_CASE("message constructor with container - deprecated", "[message]") { zmq::message_t hi_msg("Hi"); // deprecated REQUIRE(3u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 3)); } TEST_CASE("message constructor with container of trivial data", "[message]") { int buf[3] = {1, 2, 3}; zmq::message_t msg(buf); REQUIRE(sizeof(buf) == msg.size()); CHECK(0 == memcmp(buf, msg.data(), msg.size())); } TEST_CASE("message constructor with strings", "[message]") { SECTION("string") { const std::string hi(data); zmq::message_t hi_msg(hi); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } #if CPPZMQ_HAS_STRING_VIEW SECTION("string_view") { const std::string_view hi(data); zmq::message_t hi_msg(hi); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } #endif } #endif #ifdef ZMQ_HAS_RVALUE_REFS TEST_CASE("message move constructor", "[message]") { zmq::message_t hi_msg(zmq::message_t(data, strlen(data))); } TEST_CASE("message assign move empty before", "[message]") { zmq::message_t hi_msg; hi_msg = zmq::message_t(data, strlen(data)); CHECK(2u == hi_msg.size()); CHECK(0 == memcmp(data, hi_msg.data(), 2)); } TEST_CASE("message assign move empty after", "[message]") { zmq::message_t hi_msg(data, strlen(data)); CHECK(!hi_msg.empty()); hi_msg = zmq::message_t(); CHECK(0u == hi_msg.size()); CHECK(hi_msg.empty()); } TEST_CASE("message assign move empty before and after", "[message]") { zmq::message_t hi_msg; hi_msg = zmq::message_t(); CHECK(0u == hi_msg.size()); } #endif TEST_CASE("message equality self", "[message]") { const zmq::message_t hi_msg(data, strlen(data)); CHECK(hi_msg == hi_msg); } TEST_CASE("message equality equal", "[message]") { const zmq::message_t hi_msg_a(data, strlen(data)); const zmq::message_t hi_msg_b(data, strlen(data)); CHECK(hi_msg_a == hi_msg_b); } TEST_CASE("message equality equal empty", "[message]") { const zmq::message_t msg_a; const zmq::message_t msg_b; CHECK(msg_a == msg_b); } TEST_CASE("message equality non equal", "[message]") { const zmq::message_t msg_a("Hi", 2); const zmq::message_t msg_b("Hello", 5); CHECK(msg_a != msg_b); } TEST_CASE("message equality non equal rhs empty", "[message]") { const zmq::message_t msg_a("Hi", 2); const zmq::message_t msg_b; CHECK(msg_a != msg_b); } TEST_CASE("message equality non equal lhs empty", "[message]") { const zmq::message_t msg_a; const zmq::message_t msg_b("Hi", 2); CHECK(msg_a != msg_b); } TEST_CASE("message to string", "[message]") { const zmq::message_t a; const zmq::message_t b("Foo", 3); CHECK(a.to_string() == ""); CHECK(b.to_string() == "Foo"); #if CPPZMQ_HAS_STRING_VIEW CHECK(a.to_string_view() == ""); CHECK(b.to_string_view() == "Foo"); #endif #if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) const zmq::message_t depr("Foo"); // deprecated CHECK(depr.to_string() != "Foo"); CHECK(depr.to_string() == std::string("Foo", 4)); #endif } #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) TEST_CASE("message routing id persists", "[message]") { zmq::message_t msg; msg.set_routing_id(123); CHECK(123u == msg.routing_id()); } TEST_CASE("message group persists", "[message]") { zmq::message_t msg; msg.set_group("mygroup"); CHECK(std::string(msg.group()) == "mygroup"); } #endif #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(3, 2, 0) TEST_CASE("message is not shared", "[message]") { zmq::message_t msg; CHECK(msg.get(ZMQ_SHARED) == 0); } TEST_CASE("message is shared", "[message]") { size_t msg_sz = 1024; // large enough to be a type_lmsg zmq::message_t msg1(msg_sz); zmq::message_t msg2; msg2.copy(msg1); CHECK(msg1.get(ZMQ_SHARED) == 1); CHECK(msg2.get(ZMQ_SHARED) == 1); CHECK(msg1.size() == msg_sz); CHECK(msg2.size() == msg_sz); } TEST_CASE("message move is not shared", "[message]") { size_t msg_sz = 1024; // large enough to be a type_lmsg zmq::message_t msg1(msg_sz); zmq::message_t msg2; msg2.move(msg1); CHECK(msg1.get(ZMQ_SHARED) == 0); CHECK(msg2.get(ZMQ_SHARED) == 0); CHECK(msg2.size() == msg_sz); CHECK(msg1.size() == 0); } #endif cppzmq-4.10.0/tests/monitor.cpp000066400000000000000000000071621444427475700164730ustar00rootroot00000000000000#include "testutil.hpp" #ifdef ZMQ_CPP11 #include #include #include #include class mock_monitor_t : public zmq::monitor_t { public: void on_event_connected(const zmq_event_t &, const char *) ZMQ_OVERRIDE { ++connected; ++total; } int total{0}; int connected{0}; }; #endif TEST_CASE("monitor create destroy", "[monitor]") { zmq::monitor_t monitor; } #if defined(ZMQ_CPP11) TEST_CASE("monitor move construct", "[monitor]") { zmq::context_t ctx; zmq::socket_t sock(ctx, ZMQ_DEALER); SECTION("move ctor empty") { zmq::monitor_t monitor1; zmq::monitor_t monitor2 = std::move(monitor1); } SECTION("move ctor init") { zmq::monitor_t monitor1; monitor1.init(sock, "inproc://monitor-client"); zmq::monitor_t monitor2 = std::move(monitor1); } } TEST_CASE("monitor move assign", "[monitor]") { zmq::context_t ctx; zmq::socket_t sock(ctx, ZMQ_DEALER); SECTION("move assign empty") { zmq::monitor_t monitor1; zmq::monitor_t monitor2; monitor1 = std::move(monitor2); } SECTION("move assign init") { zmq::monitor_t monitor1; monitor1.init(sock, "inproc://monitor-client"); zmq::monitor_t monitor2; monitor2 = std::move(monitor1); } SECTION("move assign init both") { zmq::monitor_t monitor1; monitor1.init(sock, "inproc://monitor-client"); zmq::monitor_t monitor2; zmq::socket_t sock2(ctx, ZMQ_DEALER); monitor2.init(sock2, "inproc://monitor-client2"); monitor2 = std::move(monitor1); } } TEST_CASE("monitor init event count", "[monitor]") { common_server_client_setup s{false}; mock_monitor_t monitor; const int expected_event_count = 1; monitor.init(s.client, "inproc://foo"); CHECK_FALSE(monitor.check_event(0)); s.init(); while (monitor.check_event(1000) && monitor.total < expected_event_count) { } CHECK(monitor.connected == 1); CHECK(monitor.total == expected_event_count); } TEST_CASE("monitor init abort", "[monitor]") { class mock_monitor : public mock_monitor_t { public: mock_monitor(std::function handle_connected) : handle_connected{std::move(handle_connected)} { } void on_event_connected(const zmq_event_t &e, const char *m) ZMQ_OVERRIDE { mock_monitor_t::on_event_connected(e, m); handle_connected(); } std::function handle_connected; }; common_server_client_setup s(false); std::mutex mutex; std::condition_variable cond_var; bool done{false}; mock_monitor monitor([&]() { std::lock_guard lock(mutex); done = true; cond_var.notify_one(); }); monitor.init(s.client, "inproc://foo"); auto thread = std::thread([&monitor] { while (monitor.check_event(-1)) { } }); s.init(); { std::unique_lock lock(mutex); CHECK(cond_var.wait_for(lock, std::chrono::seconds(1), [&done] { return done; })); } CHECK(monitor.connected == 1); monitor.abort(); thread.join(); } TEST_CASE("monitor from move assigned socket", "[monitor]") { zmq::context_t ctx; zmq::socket_t sock; sock = std::move([&ctx] { zmq::socket_t sock(ctx, ZMQ_DEALER); return sock; }()); zmq::monitor_t monitor1; monitor1.init(sock, "inproc://monitor-client"); // On failure, this test might hang indefinitely instead of immediately // failing } #endif cppzmq-4.10.0/tests/multipart.cpp000066400000000000000000000131361444427475700170230ustar00rootroot00000000000000#include #include #ifdef ZMQ_HAS_RVALUE_REFS #ifdef ZMQ_CPP17 static_assert(std::is_invocable::value, "Can't multipart_t::send with socket_ref"); static_assert(std::is_invocable::value, "Can't multipart_t::recv with socket_ref"); #endif static_assert(std::is_constructible::value, "Can't construct with socket_ref"); /// \todo split this up into separate test cases /// TEST_CASE("multipart legacy test", "[multipart]") { using namespace zmq; bool ok = true; (void) ok; float num = 0; (void) num; std::string str = ""; message_t msg; // Create two PAIR sockets and connect over inproc context_t context(1); socket_t output(context, ZMQ_PAIR); socket_t input(context, ZMQ_PAIR); output.bind("inproc://multipart.test"); input.connect("inproc://multipart.test"); // Test send and receive of single-frame message multipart_t multipart; assert(multipart.empty()); multipart.push(message_t("Hello", 5)); assert(multipart.size() == 1); ok = multipart.send(output); assert(multipart.empty()); assert(ok); ok = multipart.recv(input); assert(multipart.size() == 1); assert(ok); msg = multipart.pop(); assert(multipart.empty()); assert(std::string(msg.data(), msg.size()) == "Hello"); // Test send and receive of multi-frame message multipart.addstr("A"); multipart.addstr("BB"); multipart.addstr("CCC"); assert(multipart.size() == 3); multipart_t copy = multipart.clone(); assert(copy.size() == 3); ok = copy.send(output); assert(copy.empty()); assert(ok); ok = copy.recv(input); assert(copy.size() == 3); assert(ok); assert(copy.equal(&multipart)); // Test equality operators assert(copy == multipart); assert(multipart == copy); multipart.pop(); assert(copy != multipart); assert(multipart != copy); multipart_t emptyMessage1 {}; multipart_t emptyMessage2 {}; assert(emptyMessage1 == emptyMessage2); assert(emptyMessage2 == emptyMessage1); multipart.clear(); assert(multipart.empty()); // Test message frame manipulation multipart.add(message_t("Frame5", 6)); multipart.addstr("Frame6"); multipart.addstr("Frame7"); multipart.addtyp(8.0f); multipart.addmem("Frame9", 6); multipart.push(message_t("Frame4", 6)); multipart.pushstr("Frame3"); multipart.pushstr("Frame2"); multipart.pushtyp(1.0f); multipart.pushmem("Frame0", 6); assert(multipart.size() == 10); const message_t &front_msg = multipart.front(); assert(multipart.size() == 10); assert(std::string(front_msg.data(), front_msg.size()) == "Frame0"); const message_t &back_msg = multipart.back(); assert(multipart.size() == 10); assert(std::string(back_msg.data(), back_msg.size()) == "Frame9"); msg = multipart.remove(); assert(multipart.size() == 9); assert(std::string(msg.data(), msg.size()) == "Frame9"); msg = multipart.pop(); assert(multipart.size() == 8); assert(std::string(msg.data(), msg.size()) == "Frame0"); num = multipart.poptyp(); assert(multipart.size() == 7); assert(num == 1.0f); str = multipart.popstr(); assert(multipart.size() == 6); assert(str == "Frame2"); str = multipart.popstr(); assert(multipart.size() == 5); assert(str == "Frame3"); str = multipart.popstr(); assert(multipart.size() == 4); assert(str == "Frame4"); str = multipart.popstr(); assert(multipart.size() == 3); assert(str == "Frame5"); str = multipart.popstr(); assert(multipart.size() == 2); assert(str == "Frame6"); str = multipart.popstr(); assert(multipart.size() == 1); assert(str == "Frame7"); num = multipart.poptyp(); assert(multipart.empty()); assert(num == 8.0f); // Test message constructors and concatenation multipart_t head("One", 3); head.addstr("Two"); assert(head.size() == 2); multipart_t tail(std::string("One-hundred")); tail.pushstr("Ninety-nine"); assert(tail.size() == 2); multipart_t tmp(message_t("Fifty", 5)); assert(tmp.size() == 1); multipart_t mid = multipart_t::create(49.0f); mid.append(std::move(tmp)); assert(mid.size() == 2); assert(tmp.empty()); multipart_t merged(std::move(mid)); merged.prepend(std::move(head)); merged.append(std::move(tail)); assert(merged.size() == 6); assert(head.empty()); assert(tail.empty()); ok = merged.send(output); assert(merged.empty()); assert(ok); multipart_t received(input); assert(received.size() == 6); str = received.popstr(); assert(received.size() == 5); assert(str == "One"); str = received.popstr(); assert(received.size() == 4); assert(str == "Two"); num = received.poptyp(); assert(received.size() == 3); assert(num == 49.0f); str = received.popstr(); assert(received.size() == 2); assert(str == "Fifty"); str = received.popstr(); assert(received.size() == 1); assert(str == "Ninety-nine"); str = received.popstr(); assert(received.empty()); assert(str == "One-hundred"); } #endif cppzmq-4.10.0/tests/poller.cpp000066400000000000000000000263701444427475700163030ustar00rootroot00000000000000#include "testutil.hpp" #if defined(ZMQ_BUILD_DRAFT_API) && defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) && defined(ZMQ_HAVE_POLLER) #include #include #ifdef ZMQ_CPP17 static_assert(std::is_nothrow_swappable_v>); #endif static_assert(sizeof(zmq_poller_event_t) == sizeof(zmq::poller_event<>), ""); static_assert(sizeof(zmq_poller_event_t) == sizeof(zmq::poller_event), ""); static_assert(sizeof(zmq_poller_event_t) == sizeof(zmq::poller_event), ""); static_assert(alignof(zmq_poller_event_t) == alignof(zmq::poller_event<>), ""); static_assert(alignof(zmq_poller_event_t) == alignof(zmq::poller_event), ""); static_assert(!std::is_copy_constructible>::value, "poller_t should not be copy-constructible"); static_assert(!std::is_copy_assignable>::value, "poller_t should not be copy-assignable"); TEST_CASE("event flags", "[poller]") { CHECK((zmq::event_flags::pollin | zmq::event_flags::pollout) == static_cast(ZMQ_POLLIN | ZMQ_POLLOUT)); CHECK((zmq::event_flags::pollin & zmq::event_flags::pollout) == static_cast(ZMQ_POLLIN & ZMQ_POLLOUT)); CHECK((zmq::event_flags::pollin ^ zmq::event_flags::pollout) == static_cast(ZMQ_POLLIN ^ ZMQ_POLLOUT)); CHECK(~zmq::event_flags::pollin == static_cast(~ZMQ_POLLIN)); } TEST_CASE("poller create destroy", "[poller]") { zmq::poller_t<> a; #ifdef ZMQ_CPP17 // CTAD zmq::poller_t b; zmq::poller_event e; #endif } TEST_CASE("poller move construct empty", "[poller]") { zmq::poller_t<> a; zmq::poller_t<> b = std::move(a); } TEST_CASE("poller move assign empty", "[poller]") { zmq::poller_t<> a; zmq::poller_t<> b; b = std::move(a); } TEST_CASE("poller swap", "[poller]") { zmq::poller_t<> a; zmq::poller_t<> b; using std::swap; swap(a, b); } TEST_CASE("poller move construct non empty", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> a; a.add(socket, zmq::event_flags::pollin); zmq::poller_t<> b = std::move(a); } TEST_CASE("poller move assign non empty", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> a; a.add(socket, zmq::event_flags::pollin); zmq::poller_t<> b; b = std::move(a); } TEST_CASE("poller add nullptr", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t poller; CHECK_NOTHROW(poller.add(socket, zmq::event_flags::pollin, nullptr)); } TEST_CASE("poller add non nullptr", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t poller; int i; CHECK_NOTHROW(poller.add(socket, zmq::event_flags::pollin, &i)); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 0) // this behaviour was added by https://github.com/zeromq/libzmq/pull/3100 TEST_CASE("poller add handler invalid events type", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; short invalid_events_type = 2 << 10; CHECK_THROWS_AS( poller.add(socket, static_cast(invalid_events_type)), zmq::error_t); } #endif TEST_CASE("poller add handler twice throws", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; poller.add(socket, zmq::event_flags::pollin); /// \todo the actual error code should be checked CHECK_THROWS_AS(poller.add(socket, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("poller wait with no handlers throws", "[poller]") { zmq::poller_t<> poller; std::vector> events; /// \todo the actual error code should be checked CHECK_THROWS_AS(poller.wait_all(events, std::chrono::milliseconds{10}), zmq::error_t); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 3) TEST_CASE("poller add/remove size checks", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; CHECK(poller.size() == 0); poller.add(socket, zmq::event_flags::pollin); CHECK(poller.size() == 1); CHECK_NOTHROW(poller.remove(socket)); CHECK(poller.size() == 0); } #endif TEST_CASE("poller remove unregistered throws", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; /// \todo the actual error code should be checked CHECK_THROWS_AS(poller.remove(socket), zmq::error_t); } TEST_CASE("poller remove registered empty", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; poller.add(socket, zmq::event_flags::pollin); CHECK_NOTHROW(poller.remove(socket)); } TEST_CASE("poller remove registered non empty", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t poller; int empty{}; poller.add(socket, zmq::event_flags::pollin, &empty); CHECK_NOTHROW(poller.remove(socket)); } const std::string hi_str = "Hi"; TEST_CASE("poller poll basic", "[poller]") { common_server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::poller_t poller; std::vector> events{1}; int i = 0; CHECK_NOTHROW(poller.add(s.server, zmq::event_flags::pollin, &i)); CHECK(1 == poller.wait_all(events, std::chrono::milliseconds{-1})); CHECK(s.server == events[0].socket); CHECK(&i == events[0].user_data); } TEST_CASE("poller add invalid socket throws", "[poller]") { zmq::context_t context; zmq::poller_t<> poller; zmq::socket_t a{context, zmq::socket_type::router}; zmq::socket_t b{std::move(a)}; CHECK_THROWS_AS(poller.add(a, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("poller remove invalid socket throws", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::router}; zmq::poller_t<> poller; CHECK_NOTHROW(poller.add(socket, zmq::event_flags::pollin)); std::vector sockets; sockets.emplace_back(std::move(socket)); CHECK_THROWS_AS(poller.remove(socket), zmq::error_t); CHECK_NOTHROW(poller.remove(sockets[0])); } TEST_CASE("poller modify empty throws", "[poller]") { zmq::context_t context; zmq::socket_t socket{context, zmq::socket_type::push}; zmq::poller_t<> poller; CHECK_THROWS_AS(poller.modify(socket, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("poller modify invalid socket throws", "[poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::socket_t b{std::move(a)}; zmq::poller_t<> poller; CHECK_THROWS_AS(poller.modify(a, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("poller modify not added throws", "[poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::socket_t b{context, zmq::socket_type::push}; zmq::poller_t<> poller; CHECK_NOTHROW(poller.add(a, zmq::event_flags::pollin)); CHECK_THROWS_AS(poller.modify(b, zmq::event_flags::pollin), zmq::error_t); } TEST_CASE("poller modify simple", "[poller]") { zmq::context_t context; zmq::socket_t a{context, zmq::socket_type::push}; zmq::poller_t<> poller; CHECK_NOTHROW(poller.add(a, zmq::event_flags::pollin)); CHECK_NOTHROW( poller.modify(a, zmq::event_flags::pollin | zmq::event_flags::pollout)); } TEST_CASE("poller poll client server", "[poller]") { // Setup server and client common_server_client_setup s; // Setup poller zmq::poller_t poller; CHECK_NOTHROW(poller.add(s.server, zmq::event_flags::pollin, &s.server)); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify events std::vector> events(1); CHECK(1 == poller.wait_all(events, std::chrono::milliseconds{500})); CHECK(zmq::event_flags::pollin == events[0].events); // Modify server socket with pollout flag CHECK_NOTHROW( poller.modify(s.server, zmq::event_flags::pollin | zmq::event_flags::pollout )); CHECK(1 == poller.wait_all(events, std::chrono::milliseconds{500})); CHECK((zmq::event_flags::pollin | zmq::event_flags::pollout) == events[0].events) ; } TEST_CASE("poller wait one return", "[poller]") { // Setup server and client common_server_client_setup s; // Setup poller zmq::poller_t<> poller; CHECK_NOTHROW(poller.add(s.server, zmq::event_flags::pollin)); // client sends message CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); // wait for message and verify events std::vector> events(1); CHECK(1 == poller.wait_all(events, std::chrono::milliseconds{500})); } TEST_CASE("poller wait on move constructed", "[poller]") { common_server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::poller_t<> a; CHECK_NOTHROW(a.add(s.server, zmq::event_flags::pollin)); zmq::poller_t<> b{std::move(a)}; std::vector> events(1); /// \todo the actual error code should be checked CHECK_THROWS_AS(a.wait_all(events, std::chrono::milliseconds{10}), zmq::error_t); CHECK(1 == b.wait_all(events, std::chrono::milliseconds{-1})); } TEST_CASE("poller wait on move assigned", "[poller]") { common_server_client_setup s; CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); zmq::poller_t<> a; CHECK_NOTHROW(a.add(s.server, zmq::event_flags::pollin)); zmq::poller_t<> b; b = {std::move(a)}; /// \todo the TEST_CASE error code should be checked std::vector> events(1); CHECK_THROWS_AS(a.wait_all(events, std::chrono::milliseconds{10}), zmq::error_t); CHECK(1 == b.wait_all(events, std::chrono::milliseconds{-1})); } TEST_CASE("poller remove from handler", "[poller]") { constexpr size_t ITER_NO = 10; // Setup servers and clients std::vector setup_list; for (size_t i = 0; i < ITER_NO; ++i) setup_list.emplace_back(common_server_client_setup{}); // Setup poller zmq::poller_t<> poller; for (size_t i = 0; i < ITER_NO; ++i) { CHECK_NOTHROW(poller.add(setup_list[i].server, zmq::event_flags::pollin)); } // Clients send messages for (auto &s : setup_list) { CHECK_NOTHROW(s.client.send(zmq::message_t{hi_str}, zmq::send_flags::none)); } // Wait for all servers to receive a message for (auto &s : setup_list) { zmq::pollitem_t items[] = {{s.server, 0, ZMQ_POLLIN, 0}}; zmq::poll(&items[0], 1); } // Fire all handlers in one wait std::vector> events(ITER_NO); CHECK(ITER_NO == poller.wait_all(events, std::chrono::milliseconds{-1})); } #endif cppzmq-4.10.0/tests/recv_multipart.cpp000066400000000000000000000113301444427475700200340ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP11 TEST_CASE("recv_multipart test", "[recv_multipart]") { zmq::context_t context(1); zmq::socket_t output(context, ZMQ_PAIR); zmq::socket_t input(context, ZMQ_PAIR); output.bind("inproc://multipart.test"); input.connect("inproc://multipart.test"); SECTION("send 1 message") { input.send(zmq::str_buffer("hello")); std::vector msgs; auto ret = zmq::recv_multipart(output, std::back_inserter(msgs)); REQUIRE(ret); CHECK(*ret == 1); REQUIRE(msgs.size() == 1); CHECK(msgs[0].size() == 5); } SECTION("send 2 messages") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); input.send(zmq::str_buffer("world!")); std::vector msgs; auto ret = zmq::recv_multipart(output, std::back_inserter(msgs)); REQUIRE(ret); CHECK(*ret == 2); REQUIRE(msgs.size() == 2); CHECK(msgs[0].size() == 5); CHECK(msgs[1].size() == 6); } SECTION("send no messages, dontwait") { std::vector msgs; auto ret = zmq::recv_multipart(output, std::back_inserter(msgs), zmq::recv_flags::dontwait); CHECK_FALSE(ret); REQUIRE(msgs.size() == 0); } SECTION("send 1 partial message, dontwait") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); std::vector msgs; auto ret = zmq::recv_multipart(output, std::back_inserter(msgs), zmq::recv_flags::dontwait); CHECK_FALSE(ret); REQUIRE(msgs.size() == 0); } SECTION("recv with invalid socket") { std::vector msgs; CHECK_THROWS_AS( zmq::recv_multipart(zmq::socket_ref(), std::back_inserter(msgs)), zmq::error_t); } } TEST_CASE("recv_multipart_n test", "[recv_multipart]") { zmq::context_t context(1); zmq::socket_t output(context, ZMQ_PAIR); zmq::socket_t input(context, ZMQ_PAIR); output.bind("inproc://multipart.test"); input.connect("inproc://multipart.test"); SECTION("send 1 message") { input.send(zmq::str_buffer("hello")); std::array msgs; auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size()); REQUIRE(ret); CHECK(*ret == 1); CHECK(msgs[0].size() == 5); } SECTION("send 1 message 2") { input.send(zmq::str_buffer("hello")); std::array msgs; auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size()); REQUIRE(ret); CHECK(*ret == 1); CHECK(msgs[0].size() == 5); CHECK(msgs[1].size() == 0); } SECTION("send 2 messages, recv 1") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); input.send(zmq::str_buffer("world!")); std::array msgs; CHECK_THROWS_AS( zmq::recv_multipart_n(output, msgs.data(), msgs.size()), std::runtime_error); } SECTION("recv 0") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); input.send(zmq::str_buffer("world!")); std::array msgs; CHECK_THROWS_AS( zmq::recv_multipart_n(output, msgs.data(), 0), std::runtime_error); } SECTION("send 2 messages") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); input.send(zmq::str_buffer("world!")); std::array msgs; auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size()); REQUIRE(ret); CHECK(*ret == 2); CHECK(msgs[0].size() == 5); CHECK(msgs[1].size() == 6); } SECTION("send no messages, dontwait") { std::array msgs; auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size(), zmq::recv_flags::dontwait); CHECK_FALSE(ret); REQUIRE(msgs[0].size() == 0); } SECTION("send 1 partial message, dontwait") { input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore); std::array msgs; auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size(), zmq::recv_flags::dontwait); CHECK_FALSE(ret); REQUIRE(msgs[0].size() == 0); } SECTION("recv with invalid socket") { std::array msgs; CHECK_THROWS_AS( zmq::recv_multipart_n(zmq::socket_ref(), msgs.data(), msgs.size()), zmq::error_t); } } #endif cppzmq-4.10.0/tests/send_multipart.cpp000066400000000000000000000102251444427475700200300ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP11 #include TEST_CASE("send_multipart test", "[send_multipart]") { zmq::context_t context(1); zmq::socket_t output(context, ZMQ_PAIR); zmq::socket_t input(context, ZMQ_PAIR); output.bind("inproc://multipart.test"); input.connect("inproc://multipart.test"); SECTION("send 0 messages") { std::vector imsgs; auto iret = zmq::send_multipart(input, imsgs); REQUIRE(iret); CHECK(*iret == 0); } SECTION("send 1 message") { std::array imsgs = {zmq::message_t(3)}; auto iret = zmq::send_multipart(input, imsgs); REQUIRE(iret); CHECK(*iret == 1); std::vector omsgs; auto oret = zmq::recv_multipart(output, std::back_inserter(omsgs)); REQUIRE(oret); CHECK(*oret == 1); REQUIRE(omsgs.size() == 1); CHECK(omsgs[0].size() == 3); } SECTION("send 2 messages") { std::array imsgs = {zmq::message_t(3), zmq::message_t(4)}; auto iret = zmq::send_multipart(input, imsgs); REQUIRE(iret); CHECK(*iret == 2); std::vector omsgs; auto oret = zmq::recv_multipart(output, std::back_inserter(omsgs)); REQUIRE(oret); CHECK(*oret == 2); REQUIRE(omsgs.size() == 2); CHECK(omsgs[0].size() == 3); CHECK(omsgs[1].size() == 4); } SECTION("send 2 messages, const_buffer") { std::array imsgs = {zmq::str_buffer("foo"), zmq::str_buffer("bar!")}; auto iret = zmq::send_multipart(input, imsgs); REQUIRE(iret); CHECK(*iret == 2); std::vector omsgs; auto oret = zmq::recv_multipart(output, std::back_inserter(omsgs)); REQUIRE(oret); CHECK(*oret == 2); REQUIRE(omsgs.size() == 2); CHECK(omsgs[0].size() == 3); CHECK(omsgs[1].size() == 4); } SECTION("send 2 messages, mutable_buffer") { char buf[4] = {}; std::array imsgs = { zmq::buffer(buf, 3), zmq::buffer(buf)}; auto iret = zmq::send_multipart(input, imsgs); REQUIRE(iret); CHECK(*iret == 2); std::vector omsgs; auto oret = zmq::recv_multipart(output, std::back_inserter(omsgs)); REQUIRE(oret); CHECK(*oret == 2); REQUIRE(omsgs.size() == 2); CHECK(omsgs[0].size() == 3); CHECK(omsgs[1].size() == 4); } SECTION("send 2 messages, dontwait") { zmq::socket_t push(context, ZMQ_PUSH); push.bind("inproc://multipart.test.push"); std::array imsgs = {zmq::message_t(3), zmq::message_t(4)}; auto iret = zmq::send_multipart(push, imsgs, zmq::send_flags::dontwait); REQUIRE_FALSE(iret); } SECTION("send, misc. containers") { std::vector msgs_vec; msgs_vec.emplace_back(3); msgs_vec.emplace_back(4); auto iret = zmq::send_multipart(input, msgs_vec); REQUIRE(iret); CHECK(*iret == 2); std::forward_list msgs_list; msgs_list.emplace_front(4); msgs_list.emplace_front(3); iret = zmq::send_multipart(input, msgs_list); REQUIRE(iret); CHECK(*iret == 2); // init. list const auto msgs_il = {zmq::str_buffer("foo"), zmq::str_buffer("bar!")}; iret = zmq::send_multipart(input, msgs_il); REQUIRE(iret); CHECK(*iret == 2); // rvalue iret = zmq::send_multipart(input, std::initializer_list{ zmq::str_buffer("foo"), zmq::str_buffer("bar!")}); REQUIRE(iret); CHECK(*iret == 2); } SECTION("send with invalid socket") { std::vector msgs(1); CHECK_THROWS_AS(zmq::send_multipart(zmq::socket_ref(), msgs), zmq::error_t); } } #endif cppzmq-4.10.0/tests/socket.cpp000066400000000000000000000536431444427475700163010ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP11 #include #endif #if (__cplusplus >= 201703L) static_assert(std::is_nothrow_swappable::value, "socket_t should be nothrow swappable"); #endif TEST_CASE("socket default ctor", "[socket]") { zmq::socket_t socket; } TEST_CASE("socket create destroy", "[socket]") { zmq::context_t context; zmq::socket_t socket(context, ZMQ_ROUTER); } #ifdef ZMQ_CPP11 TEST_CASE("socket create assign", "[socket]") { zmq::context_t context; zmq::socket_t socket(context, ZMQ_ROUTER); CHECK(static_cast(socket)); CHECK(socket.handle() != nullptr); socket = {}; CHECK(!static_cast(socket)); CHECK(socket.handle() == nullptr); } TEST_CASE("socket create by enum and destroy", "[socket]") { zmq::context_t context; zmq::socket_t socket(context, zmq::socket_type::router); } TEST_CASE("socket swap", "[socket]") { zmq::context_t context; zmq::socket_t socket1(context, zmq::socket_type::router); zmq::socket_t socket2(context, zmq::socket_type::dealer); using std::swap; swap(socket1, socket2); } #ifdef ZMQ_CPP11 TEST_CASE("socket options", "[socket]") { zmq::context_t context; zmq::socket_t socket(context, zmq::socket_type::router); #ifdef ZMQ_IMMEDIATE socket.set(zmq::sockopt::immediate, 0); socket.set(zmq::sockopt::immediate, false); CHECK(socket.get(zmq::sockopt::immediate) == false); // unit out of range CHECK_THROWS_AS(socket.set(zmq::sockopt::immediate, 80), zmq::error_t); #endif #ifdef ZMQ_LINGER socket.set(zmq::sockopt::linger, 55); CHECK(socket.get(zmq::sockopt::linger) == 55); #endif #ifdef ZMQ_ROUTING_ID const std::string id = "foobar"; socket.set(zmq::sockopt::routing_id, "foobar"); socket.set(zmq::sockopt::routing_id, zmq::buffer(id)); socket.set(zmq::sockopt::routing_id, id); #if CPPZMQ_HAS_STRING_VIEW socket.set(zmq::sockopt::routing_id, std::string_view{id}); #endif std::string id_ret(10, ' '); auto size = socket.get(zmq::sockopt::routing_id, zmq::buffer(id_ret)); id_ret.resize(size); CHECK(id == id_ret); auto stropt = socket.get(zmq::sockopt::routing_id); CHECK(id == stropt); std::string id_ret_small(3, ' '); // truncated CHECK_THROWS_AS(socket.get(zmq::sockopt::routing_id, zmq::buffer(id_ret_small)), zmq::error_t); #endif } template void check_array_opt(T opt, zmq::socket_t &sock, std::string info, bool set_only = false) { const std::string val = "foobar"; INFO("setting " + info); sock.set(opt, val); if (set_only) return; INFO("getting " + info); auto s = sock.get(opt); CHECK(s == val); } template void check_array_opt_get(T opt, zmq::socket_t &sock, std::string info) { INFO("getting " + info); (void) sock.get(opt); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 0, 0) template void check_bin_z85(T opt, zmq::socket_t &sock, std::string str_val) { std::vector bin_val(32); const auto dret = zmq_z85_decode(bin_val.data(), str_val.c_str()); CHECK(dret != nullptr); sock.set(opt, str_val); sock.set(opt, zmq::buffer(bin_val)); auto sv = sock.get(opt); CHECK(sv == str_val); auto bv = sock.get(opt, 32); REQUIRE(bv.size() == bin_val.size()); CHECK(std::memcmp(bv.data(), bin_val.data(), bin_val.size()) == 0); } #endif TEST_CASE("socket check array options", "[socket]") { zmq::context_t context; zmq::socket_t router(context, zmq::socket_type::router); zmq::socket_t xpub(context, zmq::socket_type::xpub); zmq::socket_t sub(context, zmq::socket_type::sub); #ifdef ZMQ_BINDTODEVICE // requires setting CAP_NET_RAW //check_array_opt(zmq::sockopt::bindtodevice, router, "bindtodevice"); #endif #ifdef ZMQ_CONNECT_ROUTING_ID check_array_opt(zmq::sockopt::connect_routing_id, router, "connect_routing_id", true); #endif #ifdef ZMQ_LAST_ENDPOINT check_array_opt_get(zmq::sockopt::last_endpoint, router, "last_endpoint"); #endif #ifdef ZMQ_METADATA router.set(zmq::sockopt::metadata, zmq::str_buffer("X-foo:bar")); #endif #ifdef ZMQ_PLAIN_PASSWORD check_array_opt(zmq::sockopt::plain_password, router, "plain_password"); #endif #ifdef ZMQ_PLAIN_USERNAME check_array_opt(zmq::sockopt::plain_username, router, "plain_username"); #endif #ifdef ZMQ_ROUTING_ID check_array_opt(zmq::sockopt::routing_id, router, "routing_id"); #endif #ifdef ZMQ_SOCKS_PROXY check_array_opt(zmq::sockopt::socks_proxy, router, "socks_proxy"); #endif #ifdef ZMQ_SUBSCRIBE check_array_opt(zmq::sockopt::subscribe, sub, "subscribe", true); #endif #ifdef ZMQ_UNSUBSCRIBE check_array_opt(zmq::sockopt::unsubscribe, sub, "unsubscribe", true); #endif #ifdef ZMQ_XPUB_WELCOME_MSG check_array_opt(zmq::sockopt::xpub_welcome_msg, xpub, "xpub_welcome_msg", true); #endif #ifdef ZMQ_ZAP_DOMAIN check_array_opt(zmq::sockopt::zap_domain, router, "zap_domain"); #endif // curve #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 0, 0) && defined(ZMQ_HAS_CAPABILITIES) if (zmq_has("curve") == 1) { const std::string spk = "rq:rM>}U?@Lns47E1%kR.o@n%FcmmsL/@{H8]yf7"; const std::string ssk = "JTKVSB%%)wK0E.X)V>+}o?pNmC{O&4W4b!Ni{Lh6"; const std::string cpk = "Yne@$w-vo= ZMQ_MAKE_VERSION(4, 1, 0) && defined(ZMQ_HAS_CAPABILITIES) if (zmq_has("gssapi") == 1 && false) // TODO enable { zmq::socket_t gss_server(context, zmq::socket_type::router); gss_server.set(zmq::sockopt::gssapi_server, true); CHECK(gss_server.get(zmq::sockopt::gssapi_server) == 1); gss_server.set(zmq::sockopt::gssapi_plaintext, false); CHECK(gss_server.get(zmq::sockopt::gssapi_plaintext) == 0); check_array_opt(zmq::sockopt::gssapi_principal, gss_server, "gssapi_principal"); zmq::socket_t gss_client(context, zmq::socket_type::router); CHECK(gss_client.get(zmq::sockopt::gssapi_server) == 0); check_array_opt(zmq::sockopt::gssapi_principal, gss_client, "gssapi_principal"); check_array_opt(zmq::sockopt::gssapi_service_principal, gss_client, "gssapi_service_principal"); } #endif } template void check_integral_opt(Opt opt, zmq::socket_t &sock, std::string info, bool set_only = false) { const T val = 1; INFO("setting " + info); sock.set(opt, val); if (set_only) return; INFO("getting " + info); auto s = sock.get(opt); CHECK(s == val); } template void check_integral_opt_get(Opt opt, zmq::socket_t &sock, std::string info) { INFO("getting " + info); (void) sock.get(opt); } TEST_CASE("socket check integral options", "[socket]") { zmq::context_t context; zmq::socket_t router(context, zmq::socket_type::router); zmq::socket_t xpub(context, zmq::socket_type::xpub); zmq::socket_t req(context, zmq::socket_type::req); #ifdef ZMQ_STREAM_NOTIFY zmq::socket_t stream(context, zmq::socket_type::stream); #endif #ifdef ZMQ_AFFINITY check_integral_opt(zmq::sockopt::affinity, router, "affinity"); #endif #ifdef ZMQ_BACKLOG check_integral_opt(zmq::sockopt::backlog, router, "backlog"); #endif #ifdef ZMQ_CONFLATE check_integral_opt(zmq::sockopt::conflate, router, "conflate"); #endif #ifdef ZMQ_CONNECT_TIMEOUT check_integral_opt(zmq::sockopt::connect_timeout, router, "connect_timeout"); #endif #ifdef ZMQ_EVENTS check_integral_opt_get(zmq::sockopt::events, router, "events"); #endif #ifdef ZMQ_FD check_integral_opt_get(zmq::sockopt::fd, router, "fd"); #endif #ifdef ZMQ_HANDSHAKE_IVL check_integral_opt(zmq::sockopt::handshake_ivl, router, "handshake_ivl"); #endif #ifdef ZMQ_HEARTBEAT_IVL check_integral_opt(zmq::sockopt::heartbeat_ivl, router, "heartbeat_ivl"); #endif #ifdef ZMQ_HEARTBEAT_TIMEOUT check_integral_opt(zmq::sockopt::heartbeat_timeout, router, "heartbeat_timeout"); #endif #ifdef ZMQ_HEARTBEAT_TTL router.set(zmq::sockopt::heartbeat_ttl, 100); CHECK(router.get(zmq::sockopt::heartbeat_ttl) == 100); #endif #ifdef ZMQ_IMMEDIATE check_integral_opt(zmq::sockopt::immediate, router, "immediate"); #endif #ifdef ZMQ_INVERT_MATCHING check_integral_opt(zmq::sockopt::invert_matching, router, "invert_matching"); #endif #ifdef ZMQ_IPV6 check_integral_opt(zmq::sockopt::ipv6, router, "ipv6"); #endif #ifdef ZMQ_LINGER check_integral_opt(zmq::sockopt::linger, router, "linger"); #endif #ifdef ZMQ_MAXMSGSIZE check_integral_opt(zmq::sockopt::maxmsgsize, router, "maxmsgsize"); #endif #ifdef ZMQ_MECHANISM check_integral_opt_get(zmq::sockopt::mechanism, router, "mechanism"); #endif #ifdef ZMQ_MULTICAST_HOPS check_integral_opt(zmq::sockopt::multicast_hops, router, "multicast_hops"); #endif #ifdef ZMQ_MULTICAST_LOOP check_integral_opt(zmq::sockopt::multicast_loop, router, "multicast_loop"); #endif #ifdef ZMQ_MULTICAST_MAXTPDU check_integral_opt(zmq::sockopt::multicast_maxtpdu, router, "multicast_maxtpdu"); #endif #ifdef ZMQ_PLAIN_SERVER check_integral_opt(zmq::sockopt::plain_server, router, "plain_server"); #endif #ifdef ZMQ_USE_FD check_integral_opt(zmq::sockopt::use_fd, router, "use_fd"); #endif #ifdef ZMQ_PROBE_ROUTER check_integral_opt(zmq::sockopt::probe_router, router, "probe_router", true); #endif #ifdef ZMQ_RATE check_integral_opt(zmq::sockopt::rate, router, "rate"); #endif #ifdef ZMQ_RCVBUF check_integral_opt(zmq::sockopt::rcvbuf, router, "rcvbuf"); #endif #ifdef ZMQ_RCVHWM check_integral_opt(zmq::sockopt::rcvhwm, router, "rcvhwm"); #endif #ifdef ZMQ_RCVMORE check_integral_opt_get(zmq::sockopt::rcvmore, router, "rcvmore"); #endif #ifdef ZMQ_RCVTIMEO check_integral_opt(zmq::sockopt::rcvtimeo, router, "rcvtimeo"); #endif #ifdef ZMQ_RECONNECT_IVL check_integral_opt(zmq::sockopt::reconnect_ivl, router, "reconnect_ivl"); #endif #ifdef ZMQ_RECONNECT_IVL_MAX check_integral_opt(zmq::sockopt::reconnect_ivl_max, router, "reconnect_ivl_max"); #endif #ifdef ZMQ_RECOVERY_IVL check_integral_opt(zmq::sockopt::recovery_ivl, router, "recovery_ivl"); #endif #ifdef ZMQ_REQ_CORRELATE check_integral_opt(zmq::sockopt::req_correlate, req, "req_correlate", true); #endif #ifdef ZMQ_REQ_RELAXED check_integral_opt(zmq::sockopt::req_relaxed, req, "req_relaxed", true); #endif #ifdef ZMQ_ROUTER_HANDOVER check_integral_opt(zmq::sockopt::router_handover, router, "router_handover", true); #endif #ifdef ZMQ_ROUTER_MANDATORY check_integral_opt(zmq::sockopt::router_mandatory, router, "router_mandatory", true); #endif #ifdef ZMQ_ROUTER_NOTIFY check_integral_opt(zmq::sockopt::router_notify, router, "router_notify"); #endif #ifdef ZMQ_SNDBUF check_integral_opt(zmq::sockopt::sndbuf, router, "sndbuf"); #endif #ifdef ZMQ_SNDHWM check_integral_opt(zmq::sockopt::sndhwm, router, "sndhwm"); #endif #ifdef ZMQ_SNDTIMEO check_integral_opt(zmq::sockopt::sndtimeo, router, "sndtimeo"); #endif #ifdef ZMQ_STREAM_NOTIFY check_integral_opt(zmq::sockopt::stream_notify, stream, "stream_notify", true); #endif #ifdef ZMQ_TCP_KEEPALIVE check_integral_opt(zmq::sockopt::tcp_keepalive, router, "tcp_keepalive"); #endif #ifdef ZMQ_TCP_KEEPALIVE_CNT check_integral_opt(zmq::sockopt::tcp_keepalive_cnt, router, "tcp_keepalive_cnt"); #endif #ifdef ZMQ_TCP_KEEPALIVE_IDLE check_integral_opt(zmq::sockopt::tcp_keepalive_idle, router, "tcp_keepalive_idle"); #endif #ifdef ZMQ_TCP_KEEPALIVE_INTVL check_integral_opt(zmq::sockopt::tcp_keepalive_intvl, router, "tcp_keepalive_intvl"); #endif #ifdef ZMQ_TCP_MAXRT check_integral_opt(zmq::sockopt::tcp_maxrt, router, "tcp_maxrt"); #endif #ifdef ZMQ_THREAD_SAFE check_integral_opt_get(zmq::sockopt::thread_safe, router, "thread_safe"); #endif #ifdef ZMQ_TOS check_integral_opt(zmq::sockopt::tos, router, "tos"); #endif #ifdef ZMQ_TYPE check_integral_opt_get(zmq::sockopt::type, router, "type"); #ifdef ZMQ_CPP11 check_integral_opt_get(zmq::sockopt::socket_type, router, "socket_type"); #endif // ZMQ_CPP11 #endif // ZMQ_TYPE #ifdef ZMQ_HAVE_VMCI #ifdef ZMQ_VMCI_BUFFER_SIZE check_integral_opt(zmq::sockopt::vmci_buffer_size, router, "vmci_buffer_size"); #endif #ifdef ZMQ_VMCI_BUFFER_MIN_SIZE check_integral_opt(zmq::sockopt::vmci_buffer_min_size, router, "vmci_buffer_min_size"); #endif #ifdef ZMQ_VMCI_BUFFER_MAX_SIZE check_integral_opt(zmq::sockopt::vmci_buffer_max_size, router, "vmci_buffer_max_size"); #endif #ifdef ZMQ_VMCI_CONNECT_TIMEOUT check_integral_opt(zmq::sockopt::vmci_connect_timeout, router, "vmci_connect_timeout"); #endif #endif #ifdef ZMQ_XPUB_VERBOSE check_integral_opt(zmq::sockopt::xpub_verbose, xpub, "xpub_verbose", true); #endif #ifdef ZMQ_XPUB_VERBOSER check_integral_opt(zmq::sockopt::xpub_verboser, xpub, "xpub_verboser", true); #endif #ifdef ZMQ_XPUB_MANUAL check_integral_opt(zmq::sockopt::xpub_manual, xpub, "xpub_manual", true); #endif #ifdef ZMQ_XPUB_NODROP check_integral_opt(zmq::sockopt::xpub_nodrop, xpub, "xpub_nodrop", true); #endif #ifdef ZMQ_ZAP_ENFORCE_DOMAIN check_integral_opt(zmq::sockopt::zap_enforce_domain, router, "zap_enforce_domain"); #endif } #endif TEST_CASE("socket flags", "[socket]") { CHECK((zmq::recv_flags::dontwait | zmq::recv_flags::none) == static_cast(ZMQ_DONTWAIT | 0)); CHECK((zmq::recv_flags::dontwait & zmq::recv_flags::none) == static_cast(ZMQ_DONTWAIT & 0)); CHECK((zmq::recv_flags::dontwait ^ zmq::recv_flags::none) == static_cast(ZMQ_DONTWAIT ^ 0)); CHECK(~zmq::recv_flags::dontwait == static_cast(~ZMQ_DONTWAIT)); CHECK((zmq::send_flags::dontwait | zmq::send_flags::sndmore) == static_cast(ZMQ_DONTWAIT | ZMQ_SNDMORE)); CHECK((zmq::send_flags::dontwait & zmq::send_flags::sndmore) == static_cast(ZMQ_DONTWAIT & ZMQ_SNDMORE)); CHECK((zmq::send_flags::dontwait ^ zmq::send_flags::sndmore) == static_cast(ZMQ_DONTWAIT ^ ZMQ_SNDMORE)); CHECK(~zmq::send_flags::dontwait == static_cast(~ZMQ_DONTWAIT)); } TEST_CASE("socket readme example", "[socket]") { zmq::context_t ctx; zmq::socket_t sock(ctx, zmq::socket_type::push); sock.bind("inproc://test"); sock.send(zmq::str_buffer("Hello, world"), zmq::send_flags::dontwait); } #endif TEST_CASE("socket sends and receives const buffer", "[socket]") { zmq::context_t context; zmq::socket_t sender(context, ZMQ_PAIR); zmq::socket_t receiver(context, ZMQ_PAIR); receiver.bind("inproc://test"); sender.connect("inproc://test"); const char *str = "Hi"; #ifdef ZMQ_CPP11 CHECK(2 == *sender.send(zmq::buffer(str, 2))); char buf[2]; const auto res = receiver.recv(zmq::buffer(buf)); CHECK(res); CHECK(!res->truncated()); CHECK(2 == res->size); #else CHECK(2 == sender.send(str, 2)); char buf[2]; CHECK(2 == receiver.recv(buf, 2)); #endif CHECK(0 == memcmp(buf, str, 2)); } #ifdef ZMQ_CPP11 TEST_CASE("socket send none sndmore", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::router); s.bind("inproc://test"); std::vector buf(4); auto res = s.send(zmq::buffer(buf), zmq::send_flags::sndmore); CHECK(res); CHECK(*res == buf.size()); res = s.send(zmq::buffer(buf)); CHECK(res); CHECK(*res == buf.size()); } TEST_CASE("socket send dontwait", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::push); s.bind("inproc://test"); std::vector buf(4); auto res = s.send(zmq::buffer(buf), zmq::send_flags::dontwait); CHECK(!res); res = s.send(zmq::buffer(buf), zmq::send_flags::dontwait | zmq::send_flags::sndmore); CHECK(!res); zmq::message_t msg; auto resm = s.send(msg, zmq::send_flags::dontwait); CHECK(!resm); CHECK(msg.size() == 0); } TEST_CASE("socket send exception", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::pull); s.bind("inproc://test"); std::vector buf(4); CHECK_THROWS_AS(s.send(zmq::buffer(buf)), zmq::error_t); } TEST_CASE("socket recv none", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::pair); zmq::socket_t s2(context, zmq::socket_type::pair); s2.bind("inproc://test"); s.connect("inproc://test"); std::vector sbuf(4); const auto res_send = s2.send(zmq::buffer(sbuf)); CHECK(res_send); CHECK(res_send.has_value()); std::vector buf(2); const auto res = s.recv(zmq::buffer(buf)); CHECK(res.has_value()); CHECK(res->truncated()); CHECK(res->untruncated_size == sbuf.size()); CHECK(res->size == buf.size()); const auto res_send2 = s2.send(zmq::buffer(sbuf)); CHECK(res_send2.has_value()); std::vector buf2(10); const auto res2 = s.recv(zmq::buffer(buf2)); CHECK(res2.has_value()); CHECK(!res2->truncated()); CHECK(res2->untruncated_size == sbuf.size()); CHECK(res2->size == sbuf.size()); } TEST_CASE("socket send recv message_t", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::pair); zmq::socket_t s2(context, zmq::socket_type::pair); s2.bind("inproc://test"); s.connect("inproc://test"); zmq::message_t smsg(10); const auto res_send = s2.send(smsg, zmq::send_flags::none); CHECK(res_send); CHECK(*res_send == 10); CHECK(smsg.size() == 0); zmq::message_t rmsg; const auto res = s.recv(rmsg); CHECK(res); CHECK(*res == 10); CHECK(res.value() == 10); CHECK(rmsg.size() == *res); } TEST_CASE("socket send recv message_t by pointer", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::pair); zmq::socket_t s2(context, zmq::socket_type::pair); s2.bind("inproc://test"); s.connect("inproc://test"); zmq::message_t smsg(size_t{10}); const auto res_send = s2.send(smsg, zmq::send_flags::none); CHECK(res_send); CHECK(*res_send == 10); CHECK(smsg.size() == 0); zmq::message_t rmsg; const bool res = s.recv(&rmsg); CHECK(res); } TEST_CASE("socket recv dontwait", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::pull); s.bind("inproc://test"); std::vector buf(4); constexpr auto flags = zmq::recv_flags::none | zmq::recv_flags::dontwait; auto res = s.recv(zmq::buffer(buf), flags); CHECK(!res); zmq::message_t msg; auto resm = s.recv(msg, flags); CHECK(!resm); CHECK_THROWS_AS(resm.value(), std::exception); CHECK(msg.size() == 0); } TEST_CASE("socket recv exception", "[socket]") { zmq::context_t context; zmq::socket_t s(context, zmq::socket_type::push); s.bind("inproc://test"); std::vector buf(4); CHECK_THROWS_AS(s.recv(zmq::buffer(buf)), zmq::error_t); } TEST_CASE("socket proxy", "[socket]") { zmq::context_t context; zmq::socket_t front(context, ZMQ_ROUTER); zmq::socket_t back(context, ZMQ_ROUTER); zmq::socket_t capture(context, ZMQ_DEALER); front.bind("inproc://test1"); back.bind("inproc://test2"); capture.bind("inproc://test3"); auto f = std::async(std::launch::async, [&]() { auto s1 = std::move(front); auto s2 = std::move(back); auto s3 = std::move(capture); try { zmq::proxy(s1, s2, zmq::socket_ref(s3)); } catch (const zmq::error_t &e) { return e.num() == ETERM; } return false; }); context.close(); CHECK(f.get()); } TEST_CASE("socket proxy steerable", "[socket]") { zmq::context_t context; zmq::socket_t front(context, ZMQ_ROUTER); zmq::socket_t back(context, ZMQ_ROUTER); zmq::socket_t control(context, ZMQ_SUB); front.bind("inproc://test1"); back.bind("inproc://test2"); control.connect("inproc://test3"); auto f = std::async(std::launch::async, [&]() { auto s1 = std::move(front); auto s2 = std::move(back); auto s3 = std::move(control); try { zmq::proxy_steerable(s1, s2, zmq::socket_ref(), s3); } catch (const zmq::error_t &e) { return e.num() == ETERM; } return false; }); context.close(); CHECK(f.get()); } #endif cppzmq-4.10.0/tests/socket_ref.cpp000066400000000000000000000056641444427475700171350ustar00rootroot00000000000000#include #include #ifdef ZMQ_CPP11 #ifdef ZMQ_CPP17 static_assert(std::is_nothrow_swappable_v); #endif static_assert(sizeof(zmq::socket_ref) == sizeof(void *), "size mismatch"); static_assert(alignof(zmq::socket_ref) == alignof(void *), "alignment mismatch"); static_assert(ZMQ_IS_TRIVIALLY_COPYABLE(zmq::socket_ref), "needs to be trivially copyable"); TEST_CASE("socket_ref default init", "[socket_ref]") { zmq::socket_ref sr; CHECK(!sr); CHECK(sr == nullptr); CHECK(nullptr == sr); CHECK(sr.handle() == nullptr); } TEST_CASE("socket_ref create from nullptr", "[socket_ref]") { zmq::socket_ref sr = nullptr; CHECK(sr == nullptr); CHECK(sr.handle() == nullptr); } TEST_CASE("socket_ref create from handle", "[socket_ref]") { void *np = nullptr; zmq::socket_ref sr{zmq::from_handle, np}; CHECK(sr == nullptr); CHECK(sr.handle() == nullptr); } TEST_CASE("socket_ref compare", "[socket_ref]") { zmq::socket_ref sr1; zmq::socket_ref sr2; CHECK(sr1 == sr2); CHECK(!(sr1 != sr2)); } TEST_CASE("socket_ref compare from socket_t", "[socket_ref]") { zmq::context_t context; zmq::socket_t s1(context, zmq::socket_type::router); zmq::socket_t s2(context, zmq::socket_type::dealer); zmq::socket_ref sr1 = s1; zmq::socket_ref sr2 = s2; CHECK(sr1); CHECK(sr2); CHECK(sr1 == s1); CHECK(sr2 == s2); CHECK(sr1.handle() == s1.handle()); CHECK(sr1 != sr2); CHECK(sr1.handle() != sr2.handle()); CHECK(sr1 != nullptr); CHECK(nullptr != sr1); CHECK(sr2 != nullptr); const bool comp1 = (sr1 < sr2) != (sr1 >= sr2); CHECK(comp1); const bool comp2 = (sr1 > sr2) != (sr1 <= sr2); CHECK(comp2); std::hash hash; CHECK(hash(sr1) != hash(sr2)); CHECK(hash(sr1) == hash(s1)); } TEST_CASE("socket_ref assignment", "[socket_ref]") { zmq::context_t context; zmq::socket_t s1(context, zmq::socket_type::router); zmq::socket_t s2(context, zmq::socket_type::dealer); zmq::socket_ref sr1 = s1; zmq::socket_ref sr2 = s2; sr1 = s2; CHECK(sr1 == sr2); CHECK(sr1.handle() == sr2.handle()); sr1 = std::move(sr2); CHECK(sr1 == sr2); CHECK(sr1.handle() == sr2.handle()); sr2 = nullptr; CHECK(sr1 != sr2); sr1 = nullptr; CHECK(sr1 == sr2); } TEST_CASE("socket_ref swap", "[socket_ref]") { zmq::socket_ref sr1; zmq::socket_ref sr2; using std::swap; swap(sr1, sr2); } TEST_CASE("socket_ref type punning", "[socket_ref]") { struct SVP { void *p; } svp; struct SSR { zmq::socket_ref sr; } ssr; zmq::context_t context; zmq::socket_t socket(context, zmq::socket_type::router); CHECK(socket.handle() != nullptr); svp.p = socket.handle(); // static_cast to silence incorrect warning std::memcpy(static_cast(&ssr), &svp, sizeof(ssr)); CHECK(ssr.sr == socket); } #endif cppzmq-4.10.0/tests/testutil.hpp000066400000000000000000000043361444427475700166660ustar00rootroot00000000000000#pragma once #include #include #if defined(ZMQ_CPP11) inline std::string bind_ip4_loopback(zmq::socket_t &socket) { socket.bind("tcp://127.0.0.1:*"); std::string endpoint(100, ' '); endpoint.resize(socket.get(zmq::sockopt::last_endpoint, zmq::buffer(endpoint))); return endpoint; } struct common_server_client_setup { common_server_client_setup(bool initialize = true) { if (initialize) init(); } void init() { endpoint = bind_ip4_loopback(server); REQUIRE_NOTHROW(client.connect(endpoint)); } zmq::context_t context; zmq::socket_t server{context, zmq::socket_type::pair}; zmq::socket_t client{context, zmq::socket_type::pair}; std::string endpoint; }; #endif #define CHECK_THROWS_ZMQ_ERROR(ecode, expr) \ do { \ try { \ expr; \ CHECK(false); \ } \ catch (const zmq::error_t &ze) { \ INFO(std::string("Unexpected error code: ") + ze.what()); \ CHECK(ze.num() == ecode); \ } \ catch (const std::exception &ex) { \ INFO(std::string("Unexpected exception: ") + ex.what()); \ CHECK(false); \ } \ catch (...) { \ CHECK(false); \ } \ } while (false) cppzmq-4.10.0/tests/utilities.cpp000066400000000000000000000044061444427475700170150ustar00rootroot00000000000000#include #include #if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) namespace test_ns { struct T_nr { }; struct T_mr { void *begin() const noexcept { return nullptr; } void *end() const noexcept { return nullptr; } }; struct T_fr { }; inline void *begin(const T_fr &) noexcept { return nullptr; } inline void *end(const T_fr &) noexcept { return nullptr; } struct T_mfr { void *begin() const noexcept { return nullptr; } void *end() const noexcept { return nullptr; } }; inline void *begin(const T_mfr &) noexcept { return nullptr; } inline void *end(const T_mfr &) noexcept { return nullptr; } // types with associated namespace std struct T_assoc_ns_nr : std::exception { }; struct T_assoc_ns_mr : std::exception { void *begin() const noexcept { return nullptr; } void *end() const noexcept { return nullptr; } }; struct T_assoc_ns_fr : std::exception { }; inline void *begin(const T_assoc_ns_fr &) noexcept { return nullptr; } inline void *end(const T_assoc_ns_fr &) noexcept { return nullptr; } struct T_assoc_ns_mfr : std::exception { void *begin() const noexcept { return nullptr; } void *end() const noexcept { return nullptr; } }; inline void *begin(const T_assoc_ns_mfr &) noexcept { return nullptr; } inline void *end(const T_assoc_ns_mfr &) noexcept { return nullptr; } } // namespace test_ns TEST_CASE("range SFINAE", "[utilities]") { CHECK(!zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range>::value); CHECK(!zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(!zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); CHECK(zmq::detail::is_range::value); } #endif cppzmq-4.10.0/version.sh000077500000000000000000000013211444427475700151510ustar00rootroot00000000000000#!/bin/sh # # This script extracts the 0MQ version from zmq.hpp, which is the master # location for this information. # if [ ! -f zmq.hpp ]; then echo "version.sh: error: zmq.hpp does not exist" 1>&2 exit 1 fi MAJOR=$(grep '^#define CPPZMQ_VERSION_MAJOR \+[0-9]\+' zmq.hpp) MINOR=$(grep '^#define CPPZMQ_VERSION_MINOR \+[0-9]\+' zmq.hpp) PATCH=$(grep '^#define CPPZMQ_VERSION_PATCH \+[0-9]\+' zmq.hpp) if [ -z "$MAJOR" -o -z "$MINOR" -o -z "$PATCH" ]; then echo "version.sh: error: could not extract version from zmq.hpp" 1>&2 exit 1 fi MAJOR=$(echo $MAJOR | awk '{ print $3 }') MINOR=$(echo $MINOR | awk '{ print $3 }') PATCH=$(echo $PATCH | awk '{ print $3 }') echo $MAJOR.$MINOR.$PATCH | tr -d '\n\r' cppzmq-4.10.0/zmq.hpp000066400000000000000000002344501444427475700144600ustar00rootroot00000000000000/* Copyright (c) 2016-2017 ZeroMQ community Copyright (c) 2009-2011 250bpm s.r.o. Copyright (c) 2011 Botond Ballo Copyright (c) 2007-2009 iMatix Corporation Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __ZMQ_HPP_INCLUDED__ #define __ZMQ_HPP_INCLUDED__ #ifdef _WIN32 #ifndef NOMINMAX #define NOMINMAX #endif #endif // included here for _HAS_CXX* macros #include #if defined(_MSVC_LANG) #define CPPZMQ_LANG _MSVC_LANG #else #define CPPZMQ_LANG __cplusplus #endif // overwrite if specific language macros indicate higher version #if defined(_HAS_CXX14) && _HAS_CXX14 && CPPZMQ_LANG < 201402L #undef CPPZMQ_LANG #define CPPZMQ_LANG 201402L #endif #if defined(_HAS_CXX17) && _HAS_CXX17 && CPPZMQ_LANG < 201703L #undef CPPZMQ_LANG #define CPPZMQ_LANG 201703L #endif // macros defined if has a specific standard or greater #if CPPZMQ_LANG >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1900) #define ZMQ_CPP11 #endif #if CPPZMQ_LANG >= 201402L #define ZMQ_CPP14 #endif #if CPPZMQ_LANG >= 201703L #define ZMQ_CPP17 #endif #if defined(ZMQ_CPP14) && !defined(_MSC_VER) #define ZMQ_DEPRECATED(msg) [[deprecated(msg)]] #elif defined(_MSC_VER) #define ZMQ_DEPRECATED(msg) __declspec(deprecated(msg)) #elif defined(__GNUC__) #define ZMQ_DEPRECATED(msg) __attribute__((deprecated(msg))) #else #define ZMQ_DEPRECATED(msg) #endif #if defined(ZMQ_CPP17) #define ZMQ_NODISCARD [[nodiscard]] #else #define ZMQ_NODISCARD #endif #if defined(ZMQ_CPP11) #define ZMQ_NOTHROW noexcept #define ZMQ_EXPLICIT explicit #define ZMQ_OVERRIDE override #define ZMQ_NULLPTR nullptr #define ZMQ_CONSTEXPR_FN constexpr #define ZMQ_CONSTEXPR_VAR constexpr #define ZMQ_CPP11_DEPRECATED(msg) ZMQ_DEPRECATED(msg) #else #define ZMQ_NOTHROW throw() #define ZMQ_EXPLICIT #define ZMQ_OVERRIDE #define ZMQ_NULLPTR 0 #define ZMQ_CONSTEXPR_FN #define ZMQ_CONSTEXPR_VAR const #define ZMQ_CPP11_DEPRECATED(msg) #endif #if defined(ZMQ_CPP14) && (!defined(_MSC_VER) || _MSC_VER > 1900) && (!defined(__GNUC__) || __GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ > 3)) #define ZMQ_EXTENDED_CONSTEXPR #endif #if defined(ZMQ_CPP17) #define ZMQ_INLINE_VAR inline #define ZMQ_CONSTEXPR_IF constexpr #else #define ZMQ_INLINE_VAR #define ZMQ_CONSTEXPR_IF #endif #include #include #include #include #include #include #include #include #ifdef ZMQ_CPP11 #include #include #include #include #endif #if defined(__has_include) && defined(ZMQ_CPP17) #define CPPZMQ_HAS_INCLUDE_CPP17(X) __has_include(X) #else #define CPPZMQ_HAS_INCLUDE_CPP17(X) 0 #endif #if CPPZMQ_HAS_INCLUDE_CPP17() && !defined(CPPZMQ_HAS_OPTIONAL) #define CPPZMQ_HAS_OPTIONAL 1 #endif #ifndef CPPZMQ_HAS_OPTIONAL #define CPPZMQ_HAS_OPTIONAL 0 #elif CPPZMQ_HAS_OPTIONAL #include #endif #if CPPZMQ_HAS_INCLUDE_CPP17() && !defined(CPPZMQ_HAS_STRING_VIEW) #define CPPZMQ_HAS_STRING_VIEW 1 #endif #ifndef CPPZMQ_HAS_STRING_VIEW #define CPPZMQ_HAS_STRING_VIEW 0 #elif CPPZMQ_HAS_STRING_VIEW #include #endif /* Version macros for compile-time API version detection */ #define CPPZMQ_VERSION_MAJOR 4 #define CPPZMQ_VERSION_MINOR 10 #define CPPZMQ_VERSION_PATCH 0 #define CPPZMQ_VERSION \ ZMQ_MAKE_VERSION(CPPZMQ_VERSION_MAJOR, CPPZMQ_VERSION_MINOR, \ CPPZMQ_VERSION_PATCH) // Detect whether the compiler supports C++11 rvalue references. #if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) \ && defined(__GXX_EXPERIMENTAL_CXX0X__)) #define ZMQ_HAS_RVALUE_REFS #define ZMQ_DELETED_FUNCTION = delete #elif defined(__clang__) #if __has_feature(cxx_rvalue_references) #define ZMQ_HAS_RVALUE_REFS #endif #if __has_feature(cxx_deleted_functions) #define ZMQ_DELETED_FUNCTION = delete #else #define ZMQ_DELETED_FUNCTION #endif #elif defined(_MSC_VER) && (_MSC_VER >= 1900) #define ZMQ_HAS_RVALUE_REFS #define ZMQ_DELETED_FUNCTION = delete #elif defined(_MSC_VER) && (_MSC_VER >= 1600) #define ZMQ_HAS_RVALUE_REFS #define ZMQ_DELETED_FUNCTION #else #define ZMQ_DELETED_FUNCTION #endif #if defined(ZMQ_CPP11) && !defined(__llvm__) && !defined(__INTEL_COMPILER) \ && defined(__GNUC__) && __GNUC__ < 5 #define ZMQ_CPP11_PARTIAL #elif defined(__GLIBCXX__) && __GLIBCXX__ < 20160805 //the date here is the last date of gcc 4.9.4, which // effectively means libstdc++ from gcc 5.5 and higher won't trigger this branch #define ZMQ_CPP11_PARTIAL #endif #ifdef ZMQ_CPP11 #ifdef ZMQ_CPP11_PARTIAL #define ZMQ_IS_TRIVIALLY_COPYABLE(T) __has_trivial_copy(T) #else #include #define ZMQ_IS_TRIVIALLY_COPYABLE(T) std::is_trivially_copyable::value #endif #endif #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(3, 3, 0) #define ZMQ_NEW_MONITOR_EVENT_LAYOUT #endif #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 1, 0) #define ZMQ_HAS_PROXY_STEERABLE /* Socket event data */ typedef struct { uint16_t event; // id of the event as bitfield int32_t value; // value is either error code, fd or reconnect interval } zmq_event_t; #endif // Avoid using deprecated message receive function when possible #if ZMQ_VERSION < ZMQ_MAKE_VERSION(3, 2, 0) #define zmq_msg_recv(msg, socket, flags) zmq_recvmsg(socket, msg, flags) #endif // In order to prevent unused variable warnings when building in non-debug // mode use this macro to make assertions. #ifndef NDEBUG #define ZMQ_ASSERT(expression) assert(expression) #else #define ZMQ_ASSERT(expression) (void) (expression) #endif namespace zmq { #ifdef ZMQ_CPP11 namespace detail { namespace ranges { using std::begin; using std::end; template auto begin(T &&r) -> decltype(begin(std::forward(r))) { return begin(std::forward(r)); } template auto end(T &&r) -> decltype(end(std::forward(r))) { return end(std::forward(r)); } } // namespace ranges template using void_t = void; template using iter_value_t = typename std::iterator_traits::value_type; template using range_iter_t = decltype( ranges::begin(std::declval::type &>())); template using range_value_t = iter_value_t>; template struct is_range : std::false_type { }; template struct is_range< T, void_t::type &>()) == ranges::end(std::declval::type &>()))>> : std::true_type { }; } // namespace detail #endif typedef zmq_free_fn free_fn; typedef zmq_pollitem_t pollitem_t; // duplicate definition from libzmq 4.3.3 #if defined _WIN32 #if defined _WIN64 typedef unsigned __int64 fd_t; #else typedef unsigned int fd_t; #endif #else typedef int fd_t; #endif class error_t : public std::exception { public: error_t() ZMQ_NOTHROW : errnum(zmq_errno()) {} explicit error_t(int err) ZMQ_NOTHROW : errnum(err) {} virtual const char *what() const ZMQ_NOTHROW ZMQ_OVERRIDE { return zmq_strerror(errnum); } int num() const ZMQ_NOTHROW { return errnum; } private: int errnum; }; namespace detail { inline int poll(zmq_pollitem_t *items_, size_t nitems_, long timeout_) { int rc = zmq_poll(items_, static_cast(nitems_), timeout_); if (rc < 0) throw error_t(); return rc; } } #ifdef ZMQ_CPP11 ZMQ_DEPRECATED("from 4.8.0, use poll taking std::chrono::duration instead of long") inline int poll(zmq_pollitem_t *items_, size_t nitems_, long timeout_) #else inline int poll(zmq_pollitem_t *items_, size_t nitems_, long timeout_ = -1) #endif { return detail::poll(items_, nitems_, timeout_); } ZMQ_DEPRECATED("from 4.3.1, use poll taking non-const items") inline int poll(zmq_pollitem_t const *items_, size_t nitems_, long timeout_ = -1) { return detail::poll(const_cast(items_), nitems_, timeout_); } #ifdef ZMQ_CPP11 ZMQ_DEPRECATED("from 4.3.1, use poll taking non-const items") inline int poll(zmq_pollitem_t const *items, size_t nitems, std::chrono::milliseconds timeout) { return detail::poll(const_cast(items), nitems, static_cast(timeout.count())); } ZMQ_DEPRECATED("from 4.3.1, use poll taking non-const items") inline int poll(std::vector const &items, std::chrono::milliseconds timeout) { return detail::poll(const_cast(items.data()), items.size(), static_cast(timeout.count())); } ZMQ_DEPRECATED("from 4.3.1, use poll taking non-const items") inline int poll(std::vector const &items, long timeout_ = -1) { return detail::poll(const_cast(items.data()), items.size(), timeout_); } inline int poll(zmq_pollitem_t *items, size_t nitems, std::chrono::milliseconds timeout = std::chrono::milliseconds{-1}) { return detail::poll(items, nitems, static_cast(timeout.count())); } inline int poll(std::vector &items, std::chrono::milliseconds timeout = std::chrono::milliseconds{-1}) { return detail::poll(items.data(), items.size(), static_cast(timeout.count())); } ZMQ_DEPRECATED("from 4.3.1, use poll taking std::chrono::duration instead of long") inline int poll(std::vector &items, long timeout_) { return detail::poll(items.data(), items.size(), timeout_); } template inline int poll(std::array &items, std::chrono::milliseconds timeout = std::chrono::milliseconds{-1}) { return detail::poll(items.data(), items.size(), static_cast(timeout.count())); } #endif inline void version(int *major_, int *minor_, int *patch_) { zmq_version(major_, minor_, patch_); } #ifdef ZMQ_CPP11 inline std::tuple version() { std::tuple v; zmq_version(&std::get<0>(v), &std::get<1>(v), &std::get<2>(v)); return v; } #if !defined(ZMQ_CPP11_PARTIAL) namespace detail { template struct is_char_type { // true if character type for string literals in C++11 static constexpr bool value = std::is_same::value || std::is_same::value || std::is_same::value || std::is_same::value; }; } #endif #endif class message_t { public: message_t() ZMQ_NOTHROW { int rc = zmq_msg_init(&msg); ZMQ_ASSERT(rc == 0); } explicit message_t(size_t size_) { int rc = zmq_msg_init_size(&msg, size_); if (rc != 0) throw error_t(); } template message_t(ForwardIter first, ForwardIter last) { typedef typename std::iterator_traits::value_type value_t; assert(std::distance(first, last) >= 0); size_t const size_ = static_cast(std::distance(first, last)) * sizeof(value_t); int const rc = zmq_msg_init_size(&msg, size_); if (rc != 0) throw error_t(); std::copy(first, last, data()); } message_t(const void *data_, size_t size_) { int rc = zmq_msg_init_size(&msg, size_); if (rc != 0) throw error_t(); if (size_) { // this constructor allows (nullptr, 0), // memcpy with a null pointer is UB memcpy(data(), data_, size_); } } message_t(void *data_, size_t size_, free_fn *ffn_, void *hint_ = ZMQ_NULLPTR) { int rc = zmq_msg_init_data(&msg, data_, size_, ffn_, hint_); if (rc != 0) throw error_t(); } // overload set of string-like types and generic containers #if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL) // NOTE this constructor will include the null terminator // when called with a string literal. // An overload taking const char* can not be added because // it would be preferred over this function and break compatiblity. template< class Char, size_t N, typename = typename std::enable_if::value>::type> ZMQ_DEPRECATED("from 4.7.0, use constructors taking iterators, (pointer, size) " "or strings instead") explicit message_t(const Char (&data)[N]) : message_t(detail::ranges::begin(data), detail::ranges::end(data)) { } template::value && ZMQ_IS_TRIVIALLY_COPYABLE(detail::range_value_t) && !detail::is_char_type>::value && !std::is_same::value>::type> explicit message_t(const Range &rng) : message_t(detail::ranges::begin(rng), detail::ranges::end(rng)) { } explicit message_t(const std::string &str) : message_t(str.data(), str.size()) {} #if CPPZMQ_HAS_STRING_VIEW explicit message_t(std::string_view str) : message_t(str.data(), str.size()) {} #endif #endif #ifdef ZMQ_HAS_RVALUE_REFS message_t(message_t &&rhs) ZMQ_NOTHROW : msg(rhs.msg) { int rc = zmq_msg_init(&rhs.msg); ZMQ_ASSERT(rc == 0); } message_t &operator=(message_t &&rhs) ZMQ_NOTHROW { std::swap(msg, rhs.msg); return *this; } #endif ~message_t() ZMQ_NOTHROW { int rc = zmq_msg_close(&msg); ZMQ_ASSERT(rc == 0); } void rebuild() { int rc = zmq_msg_close(&msg); if (rc != 0) throw error_t(); rc = zmq_msg_init(&msg); ZMQ_ASSERT(rc == 0); } void rebuild(size_t size_) { int rc = zmq_msg_close(&msg); if (rc != 0) throw error_t(); rc = zmq_msg_init_size(&msg, size_); if (rc != 0) throw error_t(); } void rebuild(const void *data_, size_t size_) { int rc = zmq_msg_close(&msg); if (rc != 0) throw error_t(); rc = zmq_msg_init_size(&msg, size_); if (rc != 0) throw error_t(); memcpy(data(), data_, size_); } void rebuild(const std::string &str) { rebuild(str.data(), str.size()); } void rebuild(void *data_, size_t size_, free_fn *ffn_, void *hint_ = ZMQ_NULLPTR) { int rc = zmq_msg_close(&msg); if (rc != 0) throw error_t(); rc = zmq_msg_init_data(&msg, data_, size_, ffn_, hint_); if (rc != 0) throw error_t(); } ZMQ_DEPRECATED("from 4.3.1, use move taking non-const reference instead") void move(message_t const *msg_) { int rc = zmq_msg_move(&msg, const_cast(msg_->handle())); if (rc != 0) throw error_t(); } void move(message_t &msg_) { int rc = zmq_msg_move(&msg, msg_.handle()); if (rc != 0) throw error_t(); } ZMQ_DEPRECATED("from 4.3.1, use copy taking non-const reference instead") void copy(message_t const *msg_) { int rc = zmq_msg_copy(&msg, const_cast(msg_->handle())); if (rc != 0) throw error_t(); } void copy(message_t &msg_) { int rc = zmq_msg_copy(&msg, msg_.handle()); if (rc != 0) throw error_t(); } bool more() const ZMQ_NOTHROW { int rc = zmq_msg_more(const_cast(&msg)); return rc != 0; } void *data() ZMQ_NOTHROW { return zmq_msg_data(&msg); } const void *data() const ZMQ_NOTHROW { return zmq_msg_data(const_cast(&msg)); } size_t size() const ZMQ_NOTHROW { return zmq_msg_size(const_cast(&msg)); } ZMQ_NODISCARD bool empty() const ZMQ_NOTHROW { return size() == 0u; } template T *data() ZMQ_NOTHROW { return static_cast(data()); } template T const *data() const ZMQ_NOTHROW { return static_cast(data()); } ZMQ_DEPRECATED("from 4.3.0, use operator== instead") bool equal(const message_t *other) const ZMQ_NOTHROW { return *this == *other; } bool operator==(const message_t &other) const ZMQ_NOTHROW { const size_t my_size = size(); return my_size == other.size() && 0 == memcmp(data(), other.data(), my_size); } bool operator!=(const message_t &other) const ZMQ_NOTHROW { return !(*this == other); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(3, 2, 0) int get(int property_) { int value = zmq_msg_get(&msg, property_); if (value == -1) throw error_t(); return value; } #endif #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 1, 0) const char *gets(const char *property_) { const char *value = zmq_msg_gets(&msg, property_); if (value == ZMQ_NULLPTR) throw error_t(); return value; } #endif #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) uint32_t routing_id() const { return zmq_msg_routing_id(const_cast(&msg)); } void set_routing_id(uint32_t routing_id) { int rc = zmq_msg_set_routing_id(&msg, routing_id); if (rc != 0) throw error_t(); } const char *group() const { return zmq_msg_group(const_cast(&msg)); } void set_group(const char *group) { int rc = zmq_msg_set_group(&msg, group); if (rc != 0) throw error_t(); } #endif // interpret message content as a string std::string to_string() const { return std::string(static_cast(data()), size()); } #if CPPZMQ_HAS_STRING_VIEW // interpret message content as a string std::string_view to_string_view() const noexcept { return std::string_view(static_cast(data()), size()); } #endif /** Dump content to string for debugging. * Ascii chars are readable, the rest is printed as hex. * Probably ridiculously slow. * Use to_string() or to_string_view() for * interpreting the message as a string. */ std::string str() const { // Partly mutuated from the same method in zmq::multipart_t std::stringstream os; const unsigned char *msg_data = this->data(); unsigned char byte; size_t size = this->size(); int is_ascii[2] = {0, 0}; os << "zmq::message_t [size " << std::dec << std::setw(3) << std::setfill('0') << size << "] ("; // Totally arbitrary if (size >= 1000) { os << "... too big to print)"; } else { while (size--) { byte = *msg_data++; is_ascii[1] = (byte >= 32 && byte < 127); if (is_ascii[1] != is_ascii[0]) os << " "; // Separate text/non text if (is_ascii[1]) { os << byte; } else { os << std::hex << std::uppercase << std::setw(2) << std::setfill('0') << static_cast(byte); } is_ascii[0] = is_ascii[1]; } os << ")"; } return os.str(); } void swap(message_t &other) ZMQ_NOTHROW { // this assumes zmq::msg_t from libzmq is trivially relocatable std::swap(msg, other.msg); } ZMQ_NODISCARD zmq_msg_t *handle() ZMQ_NOTHROW { return &msg; } ZMQ_NODISCARD const zmq_msg_t *handle() const ZMQ_NOTHROW { return &msg; } private: // The underlying message zmq_msg_t msg; // Disable implicit message copying, so that users won't use shared // messages (less efficient) without being aware of the fact. message_t(const message_t &) ZMQ_DELETED_FUNCTION; void operator=(const message_t &) ZMQ_DELETED_FUNCTION; }; inline void swap(message_t &a, message_t &b) ZMQ_NOTHROW { a.swap(b); } #ifdef ZMQ_CPP11 enum class ctxopt { #ifdef ZMQ_BLOCKY blocky = ZMQ_BLOCKY, #endif #ifdef ZMQ_IO_THREADS io_threads = ZMQ_IO_THREADS, #endif #ifdef ZMQ_THREAD_SCHED_POLICY thread_sched_policy = ZMQ_THREAD_SCHED_POLICY, #endif #ifdef ZMQ_THREAD_PRIORITY thread_priority = ZMQ_THREAD_PRIORITY, #endif #ifdef ZMQ_THREAD_AFFINITY_CPU_ADD thread_affinity_cpu_add = ZMQ_THREAD_AFFINITY_CPU_ADD, #endif #ifdef ZMQ_THREAD_AFFINITY_CPU_REMOVE thread_affinity_cpu_remove = ZMQ_THREAD_AFFINITY_CPU_REMOVE, #endif #ifdef ZMQ_THREAD_NAME_PREFIX thread_name_prefix = ZMQ_THREAD_NAME_PREFIX, #endif #ifdef ZMQ_MAX_MSGSZ max_msgsz = ZMQ_MAX_MSGSZ, #endif #ifdef ZMQ_ZERO_COPY_RECV zero_copy_recv = ZMQ_ZERO_COPY_RECV, #endif #ifdef ZMQ_MAX_SOCKETS max_sockets = ZMQ_MAX_SOCKETS, #endif #ifdef ZMQ_SOCKET_LIMIT socket_limit = ZMQ_SOCKET_LIMIT, #endif #ifdef ZMQ_IPV6 ipv6 = ZMQ_IPV6, #endif #ifdef ZMQ_MSG_T_SIZE msg_t_size = ZMQ_MSG_T_SIZE #endif }; #endif class context_t { public: context_t() { ptr = zmq_ctx_new(); if (ptr == ZMQ_NULLPTR) throw error_t(); } explicit context_t(int io_threads_, int max_sockets_ = ZMQ_MAX_SOCKETS_DFLT) { ptr = zmq_ctx_new(); if (ptr == ZMQ_NULLPTR) throw error_t(); int rc = zmq_ctx_set(ptr, ZMQ_IO_THREADS, io_threads_); ZMQ_ASSERT(rc == 0); rc = zmq_ctx_set(ptr, ZMQ_MAX_SOCKETS, max_sockets_); ZMQ_ASSERT(rc == 0); } #ifdef ZMQ_HAS_RVALUE_REFS context_t(context_t &&rhs) ZMQ_NOTHROW : ptr(rhs.ptr) { rhs.ptr = ZMQ_NULLPTR; } context_t &operator=(context_t &&rhs) ZMQ_NOTHROW { close(); std::swap(ptr, rhs.ptr); return *this; } #endif ~context_t() ZMQ_NOTHROW { close(); } ZMQ_CPP11_DEPRECATED("from 4.7.0, use set taking zmq::ctxopt instead") int setctxopt(int option_, int optval_) { int rc = zmq_ctx_set(ptr, option_, optval_); ZMQ_ASSERT(rc == 0); return rc; } ZMQ_CPP11_DEPRECATED("from 4.7.0, use get taking zmq::ctxopt instead") int getctxopt(int option_) { return zmq_ctx_get(ptr, option_); } #ifdef ZMQ_CPP11 void set(ctxopt option, int optval) { int rc = zmq_ctx_set(ptr, static_cast(option), optval); if (rc == -1) throw error_t(); } ZMQ_NODISCARD int get(ctxopt option) { int rc = zmq_ctx_get(ptr, static_cast(option)); // some options have a default value of -1 // which is unfortunate, and may result in errors // that don't make sense if (rc == -1) throw error_t(); return rc; } #endif // Terminates context (see also shutdown()). void close() ZMQ_NOTHROW { if (ptr == ZMQ_NULLPTR) return; int rc; do { rc = zmq_ctx_term(ptr); } while (rc == -1 && errno == EINTR); ZMQ_ASSERT(rc == 0); ptr = ZMQ_NULLPTR; } // Shutdown context in preparation for termination (close()). // Causes all blocking socket operations and any further // socket operations to return with ETERM. void shutdown() ZMQ_NOTHROW { if (ptr == ZMQ_NULLPTR) return; int rc = zmq_ctx_shutdown(ptr); ZMQ_ASSERT(rc == 0); } // Be careful with this, it's probably only useful for // using the C api together with an existing C++ api. // Normally you should never need to use this. ZMQ_EXPLICIT operator void *() ZMQ_NOTHROW { return ptr; } ZMQ_EXPLICIT operator void const *() const ZMQ_NOTHROW { return ptr; } ZMQ_NODISCARD void *handle() ZMQ_NOTHROW { return ptr; } ZMQ_DEPRECATED("from 4.7.0, use handle() != nullptr instead") operator bool() const ZMQ_NOTHROW { return ptr != ZMQ_NULLPTR; } void swap(context_t &other) ZMQ_NOTHROW { std::swap(ptr, other.ptr); } private: void *ptr; context_t(const context_t &) ZMQ_DELETED_FUNCTION; void operator=(const context_t &) ZMQ_DELETED_FUNCTION; }; inline void swap(context_t &a, context_t &b) ZMQ_NOTHROW { a.swap(b); } #ifdef ZMQ_CPP11 struct recv_buffer_size { size_t size; // number of bytes written to buffer size_t untruncated_size; // untruncated message size in bytes ZMQ_NODISCARD bool truncated() const noexcept { return size != untruncated_size; } }; #if CPPZMQ_HAS_OPTIONAL using send_result_t = std::optional; using recv_result_t = std::optional; using recv_buffer_result_t = std::optional; #else namespace detail { // A C++11 type emulating the most basic // operations of std::optional for trivial types template class trivial_optional { public: static_assert(std::is_trivial::value, "T must be trivial"); using value_type = T; trivial_optional() = default; trivial_optional(T value) noexcept : _value(value), _has_value(true) {} const T *operator->() const noexcept { assert(_has_value); return &_value; } T *operator->() noexcept { assert(_has_value); return &_value; } const T &operator*() const noexcept { assert(_has_value); return _value; } T &operator*() noexcept { assert(_has_value); return _value; } T &value() { if (!_has_value) throw std::exception(); return _value; } const T &value() const { if (!_has_value) throw std::exception(); return _value; } explicit operator bool() const noexcept { return _has_value; } bool has_value() const noexcept { return _has_value; } private: T _value{}; bool _has_value{false}; }; } // namespace detail using send_result_t = detail::trivial_optional; using recv_result_t = detail::trivial_optional; using recv_buffer_result_t = detail::trivial_optional; #endif namespace detail { template constexpr T enum_bit_or(T a, T b) noexcept { static_assert(std::is_enum::value, "must be enum"); using U = typename std::underlying_type::type; return static_cast(static_cast(a) | static_cast(b)); } template constexpr T enum_bit_and(T a, T b) noexcept { static_assert(std::is_enum::value, "must be enum"); using U = typename std::underlying_type::type; return static_cast(static_cast(a) & static_cast(b)); } template constexpr T enum_bit_xor(T a, T b) noexcept { static_assert(std::is_enum::value, "must be enum"); using U = typename std::underlying_type::type; return static_cast(static_cast(a) ^ static_cast(b)); } template constexpr T enum_bit_not(T a) noexcept { static_assert(std::is_enum::value, "must be enum"); using U = typename std::underlying_type::type; return static_cast(~static_cast(a)); } } // namespace detail // partially satisfies named requirement BitmaskType enum class send_flags : int { none = 0, dontwait = ZMQ_DONTWAIT, sndmore = ZMQ_SNDMORE }; constexpr send_flags operator|(send_flags a, send_flags b) noexcept { return detail::enum_bit_or(a, b); } constexpr send_flags operator&(send_flags a, send_flags b) noexcept { return detail::enum_bit_and(a, b); } constexpr send_flags operator^(send_flags a, send_flags b) noexcept { return detail::enum_bit_xor(a, b); } constexpr send_flags operator~(send_flags a) noexcept { return detail::enum_bit_not(a); } // partially satisfies named requirement BitmaskType enum class recv_flags : int { none = 0, dontwait = ZMQ_DONTWAIT }; constexpr recv_flags operator|(recv_flags a, recv_flags b) noexcept { return detail::enum_bit_or(a, b); } constexpr recv_flags operator&(recv_flags a, recv_flags b) noexcept { return detail::enum_bit_and(a, b); } constexpr recv_flags operator^(recv_flags a, recv_flags b) noexcept { return detail::enum_bit_xor(a, b); } constexpr recv_flags operator~(recv_flags a) noexcept { return detail::enum_bit_not(a); } // mutable_buffer, const_buffer and buffer are based on // the Networking TS specification, draft: // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/n4771.pdf class mutable_buffer { public: constexpr mutable_buffer() noexcept : _data(nullptr), _size(0) {} constexpr mutable_buffer(void *p, size_t n) noexcept : _data(p), _size(n) { #ifdef ZMQ_EXTENDED_CONSTEXPR assert(p != nullptr || n == 0); #endif } constexpr void *data() const noexcept { return _data; } constexpr size_t size() const noexcept { return _size; } mutable_buffer &operator+=(size_t n) noexcept { // (std::min) is a workaround for when a min macro is defined const auto shift = (std::min)(n, _size); _data = static_cast(_data) + shift; _size -= shift; return *this; } private: void *_data; size_t _size; }; inline mutable_buffer operator+(const mutable_buffer &mb, size_t n) noexcept { return mutable_buffer(static_cast(mb.data()) + (std::min)(n, mb.size()), mb.size() - (std::min)(n, mb.size())); } inline mutable_buffer operator+(size_t n, const mutable_buffer &mb) noexcept { return mb + n; } class const_buffer { public: constexpr const_buffer() noexcept : _data(nullptr), _size(0) {} constexpr const_buffer(const void *p, size_t n) noexcept : _data(p), _size(n) { #ifdef ZMQ_EXTENDED_CONSTEXPR assert(p != nullptr || n == 0); #endif } constexpr const_buffer(const mutable_buffer &mb) noexcept : _data(mb.data()), _size(mb.size()) { } constexpr const void *data() const noexcept { return _data; } constexpr size_t size() const noexcept { return _size; } const_buffer &operator+=(size_t n) noexcept { const auto shift = (std::min)(n, _size); _data = static_cast(_data) + shift; _size -= shift; return *this; } private: const void *_data; size_t _size; }; inline const_buffer operator+(const const_buffer &cb, size_t n) noexcept { return const_buffer(static_cast(cb.data()) + (std::min)(n, cb.size()), cb.size() - (std::min)(n, cb.size())); } inline const_buffer operator+(size_t n, const const_buffer &cb) noexcept { return cb + n; } // buffer creation constexpr mutable_buffer buffer(void *p, size_t n) noexcept { return mutable_buffer(p, n); } constexpr const_buffer buffer(const void *p, size_t n) noexcept { return const_buffer(p, n); } constexpr mutable_buffer buffer(const mutable_buffer &mb) noexcept { return mb; } inline mutable_buffer buffer(const mutable_buffer &mb, size_t n) noexcept { return mutable_buffer(mb.data(), (std::min)(mb.size(), n)); } constexpr const_buffer buffer(const const_buffer &cb) noexcept { return cb; } inline const_buffer buffer(const const_buffer &cb, size_t n) noexcept { return const_buffer(cb.data(), (std::min)(cb.size(), n)); } namespace detail { template struct is_buffer { static constexpr bool value = std::is_same::value || std::is_same::value; }; template struct is_pod_like { // NOTE: The networking draft N4771 section 16.11 requires // T in the buffer functions below to be // trivially copyable OR standard layout. // Here we decide to be conservative and require both. static constexpr bool value = ZMQ_IS_TRIVIALLY_COPYABLE(T) && std::is_standard_layout::value; }; template constexpr auto seq_size(const C &c) noexcept -> decltype(c.size()) { return c.size(); } template constexpr size_t seq_size(const T (&/*array*/)[N]) noexcept { return N; } template auto buffer_contiguous_sequence(Seq &&seq) noexcept -> decltype(buffer(std::addressof(*std::begin(seq)), size_t{})) { using T = typename std::remove_cv< typename std::remove_reference::type>::type; static_assert(detail::is_pod_like::value, "T must be POD"); const auto size = seq_size(seq); return buffer(size != 0u ? std::addressof(*std::begin(seq)) : nullptr, size * sizeof(T)); } template auto buffer_contiguous_sequence(Seq &&seq, size_t n_bytes) noexcept -> decltype(buffer_contiguous_sequence(seq)) { using T = typename std::remove_cv< typename std::remove_reference::type>::type; static_assert(detail::is_pod_like::value, "T must be POD"); const auto size = seq_size(seq); return buffer(size != 0u ? std::addressof(*std::begin(seq)) : nullptr, (std::min)(size * sizeof(T), n_bytes)); } } // namespace detail // C array template mutable_buffer buffer(T (&data)[N]) noexcept { return detail::buffer_contiguous_sequence(data); } template mutable_buffer buffer(T (&data)[N], size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } template const_buffer buffer(const T (&data)[N]) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(const T (&data)[N], size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } // std::array template mutable_buffer buffer(std::array &data) noexcept { return detail::buffer_contiguous_sequence(data); } template mutable_buffer buffer(std::array &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } template const_buffer buffer(std::array &data) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(std::array &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } template const_buffer buffer(const std::array &data) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(const std::array &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } // std::vector template mutable_buffer buffer(std::vector &data) noexcept { return detail::buffer_contiguous_sequence(data); } template mutable_buffer buffer(std::vector &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } template const_buffer buffer(const std::vector &data) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(const std::vector &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } // std::basic_string template mutable_buffer buffer(std::basic_string &data) noexcept { return detail::buffer_contiguous_sequence(data); } template mutable_buffer buffer(std::basic_string &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } template const_buffer buffer(const std::basic_string &data) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(const std::basic_string &data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } #if CPPZMQ_HAS_STRING_VIEW // std::basic_string_view template const_buffer buffer(std::basic_string_view data) noexcept { return detail::buffer_contiguous_sequence(data); } template const_buffer buffer(std::basic_string_view data, size_t n_bytes) noexcept { return detail::buffer_contiguous_sequence(data, n_bytes); } #endif // Buffer for a string literal (null terminated) // where the buffer size excludes the terminating character. // Equivalent to zmq::buffer(std::string_view("...")). template constexpr const_buffer str_buffer(const Char (&data)[N]) noexcept { static_assert(detail::is_pod_like::value, "Char must be POD"); #ifdef ZMQ_EXTENDED_CONSTEXPR assert(data[N - 1] == Char{0}); #endif return const_buffer(static_cast(data), (N - 1) * sizeof(Char)); } namespace literals { constexpr const_buffer operator"" _zbuf(const char *str, size_t len) noexcept { return const_buffer(str, len * sizeof(char)); } constexpr const_buffer operator"" _zbuf(const wchar_t *str, size_t len) noexcept { return const_buffer(str, len * sizeof(wchar_t)); } constexpr const_buffer operator"" _zbuf(const char16_t *str, size_t len) noexcept { return const_buffer(str, len * sizeof(char16_t)); } constexpr const_buffer operator"" _zbuf(const char32_t *str, size_t len) noexcept { return const_buffer(str, len * sizeof(char32_t)); } } #ifdef ZMQ_CPP11 enum class socket_type : int { req = ZMQ_REQ, rep = ZMQ_REP, dealer = ZMQ_DEALER, router = ZMQ_ROUTER, pub = ZMQ_PUB, sub = ZMQ_SUB, xpub = ZMQ_XPUB, xsub = ZMQ_XSUB, push = ZMQ_PUSH, pull = ZMQ_PULL, #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) server = ZMQ_SERVER, client = ZMQ_CLIENT, radio = ZMQ_RADIO, dish = ZMQ_DISH, gather = ZMQ_GATHER, scatter = ZMQ_SCATTER, dgram = ZMQ_DGRAM, #endif #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 3) peer = ZMQ_PEER, channel = ZMQ_CHANNEL, #endif #if ZMQ_VERSION_MAJOR >= 4 stream = ZMQ_STREAM, #endif pair = ZMQ_PAIR }; #endif namespace sockopt { // There are two types of options, // integral type with known compiler time size (int, bool, int64_t, uint64_t) // and arrays with dynamic size (strings, binary data). // BoolUnit: if true accepts values of type bool (but passed as T into libzmq) template struct integral_option { }; // NullTerm: // 0: binary data // 1: null-terminated string (`getsockopt` size includes null) // 2: binary (size 32) or Z85 encoder string of size 41 (null included) template struct array_option { }; #define ZMQ_DEFINE_INTEGRAL_OPT(OPT, NAME, TYPE) \ using NAME##_t = integral_option; \ ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {} #define ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(OPT, NAME, TYPE) \ using NAME##_t = integral_option; \ ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {} #define ZMQ_DEFINE_ARRAY_OPT(OPT, NAME) \ using NAME##_t = array_option; \ ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {} #define ZMQ_DEFINE_ARRAY_OPT_BINARY(OPT, NAME) \ using NAME##_t = array_option; \ ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {} #define ZMQ_DEFINE_ARRAY_OPT_BIN_OR_Z85(OPT, NAME) \ using NAME##_t = array_option; \ ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {} // deprecated, use zmq::fd_t using cppzmq_fd_t = ::zmq::fd_t; #ifdef ZMQ_AFFINITY ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_AFFINITY, affinity, uint64_t); #endif #ifdef ZMQ_BACKLOG ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_BACKLOG, backlog, int); #endif #ifdef ZMQ_BINDTODEVICE ZMQ_DEFINE_ARRAY_OPT_BINARY(ZMQ_BINDTODEVICE, bindtodevice); #endif #ifdef ZMQ_CONFLATE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_CONFLATE, conflate, int); #endif #ifdef ZMQ_CONNECT_ROUTING_ID ZMQ_DEFINE_ARRAY_OPT(ZMQ_CONNECT_ROUTING_ID, connect_routing_id); #endif #ifdef ZMQ_CONNECT_TIMEOUT ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_CONNECT_TIMEOUT, connect_timeout, int); #endif #ifdef ZMQ_CURVE_PUBLICKEY ZMQ_DEFINE_ARRAY_OPT_BIN_OR_Z85(ZMQ_CURVE_PUBLICKEY, curve_publickey); #endif #ifdef ZMQ_CURVE_SECRETKEY ZMQ_DEFINE_ARRAY_OPT_BIN_OR_Z85(ZMQ_CURVE_SECRETKEY, curve_secretkey); #endif #ifdef ZMQ_CURVE_SERVER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_CURVE_SERVER, curve_server, int); #endif #ifdef ZMQ_CURVE_SERVERKEY ZMQ_DEFINE_ARRAY_OPT_BIN_OR_Z85(ZMQ_CURVE_SERVERKEY, curve_serverkey); #endif #ifdef ZMQ_DISCONNECT_MSG ZMQ_DEFINE_ARRAY_OPT_BINARY(ZMQ_DISCONNECT_MSG, disconnect_msg); #endif #ifdef ZMQ_EVENTS ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_EVENTS, events, int); #endif #ifdef ZMQ_FD ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_FD, fd, ::zmq::fd_t); #endif #ifdef ZMQ_GSSAPI_PLAINTEXT ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_GSSAPI_PLAINTEXT, gssapi_plaintext, int); #endif #ifdef ZMQ_GSSAPI_SERVER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_GSSAPI_SERVER, gssapi_server, int); #endif #ifdef ZMQ_GSSAPI_SERVICE_PRINCIPAL ZMQ_DEFINE_ARRAY_OPT(ZMQ_GSSAPI_SERVICE_PRINCIPAL, gssapi_service_principal); #endif #ifdef ZMQ_GSSAPI_SERVICE_PRINCIPAL_NAMETYPE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_GSSAPI_SERVICE_PRINCIPAL_NAMETYPE, gssapi_service_principal_nametype, int); #endif #ifdef ZMQ_GSSAPI_PRINCIPAL ZMQ_DEFINE_ARRAY_OPT(ZMQ_GSSAPI_PRINCIPAL, gssapi_principal); #endif #ifdef ZMQ_GSSAPI_PRINCIPAL_NAMETYPE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_GSSAPI_PRINCIPAL_NAMETYPE, gssapi_principal_nametype, int); #endif #ifdef ZMQ_HANDSHAKE_IVL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_HANDSHAKE_IVL, handshake_ivl, int); #endif #ifdef ZMQ_HEARTBEAT_IVL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_HEARTBEAT_IVL, heartbeat_ivl, int); #endif #ifdef ZMQ_HEARTBEAT_TIMEOUT ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_HEARTBEAT_TIMEOUT, heartbeat_timeout, int); #endif #ifdef ZMQ_HEARTBEAT_TTL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_HEARTBEAT_TTL, heartbeat_ttl, int); #endif #ifdef ZMQ_HELLO_MSG ZMQ_DEFINE_ARRAY_OPT_BINARY(ZMQ_HELLO_MSG, hello_msg); #endif #ifdef ZMQ_IMMEDIATE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_IMMEDIATE, immediate, int); #endif #ifdef ZMQ_INVERT_MATCHING ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_INVERT_MATCHING, invert_matching, int); #endif #ifdef ZMQ_IPV6 ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_IPV6, ipv6, int); #endif #ifdef ZMQ_LAST_ENDPOINT ZMQ_DEFINE_ARRAY_OPT(ZMQ_LAST_ENDPOINT, last_endpoint); #endif #ifdef ZMQ_LINGER ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_LINGER, linger, int); #endif #ifdef ZMQ_MAXMSGSIZE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_MAXMSGSIZE, maxmsgsize, int64_t); #endif #ifdef ZMQ_MECHANISM ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_MECHANISM, mechanism, int); #endif #ifdef ZMQ_METADATA ZMQ_DEFINE_ARRAY_OPT(ZMQ_METADATA, metadata); #endif #ifdef ZMQ_MULTICAST_HOPS ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_MULTICAST_HOPS, multicast_hops, int); #endif #ifdef ZMQ_MULTICAST_LOOP ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_MULTICAST_LOOP, multicast_loop, int); #endif #ifdef ZMQ_MULTICAST_MAXTPDU ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_MULTICAST_MAXTPDU, multicast_maxtpdu, int); #endif #ifdef ZMQ_ONLY_FIRST_SUBSCRIBE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_ONLY_FIRST_SUBSCRIBE, only_first_subscribe, int); #endif #ifdef ZMQ_PLAIN_SERVER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_PLAIN_SERVER, plain_server, int); #endif #ifdef ZMQ_PLAIN_PASSWORD ZMQ_DEFINE_ARRAY_OPT(ZMQ_PLAIN_PASSWORD, plain_password); #endif #ifdef ZMQ_PLAIN_USERNAME ZMQ_DEFINE_ARRAY_OPT(ZMQ_PLAIN_USERNAME, plain_username); #endif #ifdef ZMQ_PRIORITY ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_PRIORITY, priority, int); #endif #ifdef ZMQ_USE_FD ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_USE_FD, use_fd, int); #endif #ifdef ZMQ_PROBE_ROUTER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_PROBE_ROUTER, probe_router, int); #endif #ifdef ZMQ_RATE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RATE, rate, int); #endif #ifdef ZMQ_RCVBUF ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RCVBUF, rcvbuf, int); #endif #ifdef ZMQ_RCVHWM ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RCVHWM, rcvhwm, int); #endif #ifdef ZMQ_RCVMORE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_RCVMORE, rcvmore, int); #endif #ifdef ZMQ_RCVTIMEO ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RCVTIMEO, rcvtimeo, int); #endif #ifdef ZMQ_RECONNECT_IVL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RECONNECT_IVL, reconnect_ivl, int); #endif #ifdef ZMQ_RECONNECT_IVL_MAX ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RECONNECT_IVL_MAX, reconnect_ivl_max, int); #endif #ifdef ZMQ_RECONNECT_STOP ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RECONNECT_STOP, reconnect_stop, int); #endif #ifdef ZMQ_RECOVERY_IVL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_RECOVERY_IVL, recovery_ivl, int); #endif #ifdef ZMQ_REQ_CORRELATE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_REQ_CORRELATE, req_correlate, int); #endif #ifdef ZMQ_REQ_RELAXED ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_REQ_RELAXED, req_relaxed, int); #endif #ifdef ZMQ_ROUTER_HANDOVER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_ROUTER_HANDOVER, router_handover, int); #endif #ifdef ZMQ_ROUTER_MANDATORY ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_ROUTER_MANDATORY, router_mandatory, int); #endif #ifdef ZMQ_ROUTER_NOTIFY ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_ROUTER_NOTIFY, router_notify, int); #endif #ifdef ZMQ_ROUTING_ID ZMQ_DEFINE_ARRAY_OPT_BINARY(ZMQ_ROUTING_ID, routing_id); #endif #ifdef ZMQ_SNDBUF ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_SNDBUF, sndbuf, int); #endif #ifdef ZMQ_SNDHWM ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_SNDHWM, sndhwm, int); #endif #ifdef ZMQ_SNDTIMEO ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_SNDTIMEO, sndtimeo, int); #endif #ifdef ZMQ_SOCKS_PASSWORD ZMQ_DEFINE_ARRAY_OPT(ZMQ_SOCKS_PASSWORD, socks_password); #endif #ifdef ZMQ_SOCKS_PROXY ZMQ_DEFINE_ARRAY_OPT(ZMQ_SOCKS_PROXY, socks_proxy); #endif #ifdef ZMQ_SOCKS_USERNAME ZMQ_DEFINE_ARRAY_OPT(ZMQ_SOCKS_USERNAME, socks_username); #endif #ifdef ZMQ_STREAM_NOTIFY ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_STREAM_NOTIFY, stream_notify, int); #endif #ifdef ZMQ_SUBSCRIBE ZMQ_DEFINE_ARRAY_OPT(ZMQ_SUBSCRIBE, subscribe); #endif #ifdef ZMQ_TCP_KEEPALIVE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TCP_KEEPALIVE, tcp_keepalive, int); #endif #ifdef ZMQ_TCP_KEEPALIVE_CNT ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TCP_KEEPALIVE_CNT, tcp_keepalive_cnt, int); #endif #ifdef ZMQ_TCP_KEEPALIVE_IDLE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TCP_KEEPALIVE_IDLE, tcp_keepalive_idle, int); #endif #ifdef ZMQ_TCP_KEEPALIVE_INTVL ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TCP_KEEPALIVE_INTVL, tcp_keepalive_intvl, int); #endif #ifdef ZMQ_TCP_MAXRT ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TCP_MAXRT, tcp_maxrt, int); #endif #ifdef ZMQ_THREAD_SAFE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_THREAD_SAFE, thread_safe, int); #endif #ifdef ZMQ_TOS ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TOS, tos, int); #endif #ifdef ZMQ_TYPE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TYPE, type, int); #ifdef ZMQ_CPP11 ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_TYPE, socket_type, socket_type); #endif // ZMQ_CPP11 #endif // ZMQ_TYPE #ifdef ZMQ_UNSUBSCRIBE ZMQ_DEFINE_ARRAY_OPT(ZMQ_UNSUBSCRIBE, unsubscribe); #endif #ifdef ZMQ_VMCI_BUFFER_SIZE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_VMCI_BUFFER_SIZE, vmci_buffer_size, uint64_t); #endif #ifdef ZMQ_VMCI_BUFFER_MIN_SIZE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_VMCI_BUFFER_MIN_SIZE, vmci_buffer_min_size, uint64_t); #endif #ifdef ZMQ_VMCI_BUFFER_MAX_SIZE ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_VMCI_BUFFER_MAX_SIZE, vmci_buffer_max_size, uint64_t); #endif #ifdef ZMQ_VMCI_CONNECT_TIMEOUT ZMQ_DEFINE_INTEGRAL_OPT(ZMQ_VMCI_CONNECT_TIMEOUT, vmci_connect_timeout, int); #endif #ifdef ZMQ_XPUB_VERBOSE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_XPUB_VERBOSE, xpub_verbose, int); #endif #ifdef ZMQ_XPUB_VERBOSER ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_XPUB_VERBOSER, xpub_verboser, int); #endif #ifdef ZMQ_XPUB_MANUAL ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_XPUB_MANUAL, xpub_manual, int); #endif #ifdef ZMQ_XPUB_MANUAL_LAST_VALUE ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_XPUB_MANUAL_LAST_VALUE, xpub_manual_last_value, int); #endif #ifdef ZMQ_XPUB_NODROP ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_XPUB_NODROP, xpub_nodrop, int); #endif #ifdef ZMQ_XPUB_WELCOME_MSG ZMQ_DEFINE_ARRAY_OPT(ZMQ_XPUB_WELCOME_MSG, xpub_welcome_msg); #endif #ifdef ZMQ_ZAP_ENFORCE_DOMAIN ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(ZMQ_ZAP_ENFORCE_DOMAIN, zap_enforce_domain, int); #endif #ifdef ZMQ_ZAP_DOMAIN ZMQ_DEFINE_ARRAY_OPT(ZMQ_ZAP_DOMAIN, zap_domain); #endif } // namespace sockopt #endif // ZMQ_CPP11 namespace detail { class socket_base { public: socket_base() ZMQ_NOTHROW : _handle(ZMQ_NULLPTR) {} ZMQ_EXPLICIT socket_base(void *handle) ZMQ_NOTHROW : _handle(handle) {} template ZMQ_CPP11_DEPRECATED("from 4.7.0, use `set` taking option from zmq::sockopt") void setsockopt(int option_, T const &optval) { setsockopt(option_, &optval, sizeof(T)); } ZMQ_CPP11_DEPRECATED("from 4.7.0, use `set` taking option from zmq::sockopt") void setsockopt(int option_, const void *optval_, size_t optvallen_) { int rc = zmq_setsockopt(_handle, option_, optval_, optvallen_); if (rc != 0) throw error_t(); } ZMQ_CPP11_DEPRECATED("from 4.7.0, use `get` taking option from zmq::sockopt") void getsockopt(int option_, void *optval_, size_t *optvallen_) const { int rc = zmq_getsockopt(_handle, option_, optval_, optvallen_); if (rc != 0) throw error_t(); } template ZMQ_CPP11_DEPRECATED("from 4.7.0, use `get` taking option from zmq::sockopt") T getsockopt(int option_) const { T optval; size_t optlen = sizeof(T); getsockopt(option_, &optval, &optlen); return optval; } #ifdef ZMQ_CPP11 // Set integral socket option, e.g. // `socket.set(zmq::sockopt::linger, 0)` template void set(sockopt::integral_option, const T &val) { static_assert(std::is_integral::value, "T must be integral"); set_option(Opt, &val, sizeof val); } // Set integral socket option from boolean, e.g. // `socket.set(zmq::sockopt::immediate, false)` template void set(sockopt::integral_option, bool val) { static_assert(std::is_integral::value, "T must be integral"); T rep_val = val; set_option(Opt, &rep_val, sizeof rep_val); } // Set array socket option, e.g. // `socket.set(zmq::sockopt::plain_username, "foo123")` template void set(sockopt::array_option, const char *buf) { set_option(Opt, buf, std::strlen(buf)); } // Set array socket option, e.g. // `socket.set(zmq::sockopt::routing_id, zmq::buffer(id))` template void set(sockopt::array_option, const_buffer buf) { set_option(Opt, buf.data(), buf.size()); } // Set array socket option, e.g. // `socket.set(zmq::sockopt::routing_id, id_str)` template void set(sockopt::array_option, const std::string &buf) { set_option(Opt, buf.data(), buf.size()); } #if CPPZMQ_HAS_STRING_VIEW // Set array socket option, e.g. // `socket.set(zmq::sockopt::routing_id, id_str)` template void set(sockopt::array_option, std::string_view buf) { set_option(Opt, buf.data(), buf.size()); } #endif // Get scalar socket option, e.g. // `auto opt = socket.get(zmq::sockopt::linger)` template ZMQ_NODISCARD T get(sockopt::integral_option) const { static_assert(std::is_scalar::value, "T must be scalar"); T val; size_t size = sizeof val; get_option(Opt, &val, &size); assert(size == sizeof val); return val; } // Get array socket option, writes to buf, returns option size in bytes, e.g. // `size_t optsize = socket.get(zmq::sockopt::routing_id, zmq::buffer(id))` template ZMQ_NODISCARD size_t get(sockopt::array_option, mutable_buffer buf) const { size_t size = buf.size(); get_option(Opt, buf.data(), &size); return size; } // Get array socket option as string (initializes the string buffer size to init_size) e.g. // `auto s = socket.get(zmq::sockopt::routing_id)` // Note: removes the null character from null-terminated string options, // i.e. the string size excludes the null character. template ZMQ_NODISCARD std::string get(sockopt::array_option, size_t init_size = 1024) const { if ZMQ_CONSTEXPR_IF (NullTerm == 2) { if (init_size == 1024) { init_size = 41; // get as Z85 string } } std::string str(init_size, '\0'); size_t size = get(sockopt::array_option{}, buffer(str)); if ZMQ_CONSTEXPR_IF (NullTerm == 1) { if (size > 0) { assert(str[size - 1] == '\0'); --size; } } else if ZMQ_CONSTEXPR_IF (NullTerm == 2) { assert(size == 32 || size == 41); if (size == 41) { assert(str[size - 1] == '\0'); --size; } } str.resize(size); return str; } #endif void bind(std::string const &addr) { bind(addr.c_str()); } void bind(const char *addr_) { int rc = zmq_bind(_handle, addr_); if (rc != 0) throw error_t(); } void unbind(std::string const &addr) { unbind(addr.c_str()); } void unbind(const char *addr_) { int rc = zmq_unbind(_handle, addr_); if (rc != 0) throw error_t(); } void connect(std::string const &addr) { connect(addr.c_str()); } void connect(const char *addr_) { int rc = zmq_connect(_handle, addr_); if (rc != 0) throw error_t(); } void disconnect(std::string const &addr) { disconnect(addr.c_str()); } void disconnect(const char *addr_) { int rc = zmq_disconnect(_handle, addr_); if (rc != 0) throw error_t(); } ZMQ_DEPRECATED("from 4.7.1, use handle() != nullptr or operator bool") bool connected() const ZMQ_NOTHROW { return (_handle != ZMQ_NULLPTR); } ZMQ_CPP11_DEPRECATED("from 4.3.1, use send taking a const_buffer and send_flags") size_t send(const void *buf_, size_t len_, int flags_ = 0) { int nbytes = zmq_send(_handle, buf_, len_, flags_); if (nbytes >= 0) return static_cast(nbytes); if (zmq_errno() == EAGAIN) return 0; throw error_t(); } ZMQ_CPP11_DEPRECATED("from 4.3.1, use send taking message_t and send_flags") bool send(message_t &msg_, int flags_ = 0) // default until removed { int nbytes = zmq_msg_send(msg_.handle(), _handle, flags_); if (nbytes >= 0) return true; if (zmq_errno() == EAGAIN) return false; throw error_t(); } template ZMQ_CPP11_DEPRECATED( "from 4.4.1, use send taking message_t or buffer (for contiguous " "ranges), and send_flags") bool send(T first, T last, int flags_ = 0) { zmq::message_t msg(first, last); int nbytes = zmq_msg_send(msg.handle(), _handle, flags_); if (nbytes >= 0) return true; if (zmq_errno() == EAGAIN) return false; throw error_t(); } #ifdef ZMQ_HAS_RVALUE_REFS ZMQ_CPP11_DEPRECATED("from 4.3.1, use send taking message_t and send_flags") bool send(message_t &&msg_, int flags_ = 0) // default until removed { #ifdef ZMQ_CPP11 return send(msg_, static_cast(flags_)).has_value(); #else return send(msg_, flags_); #endif } #endif #ifdef ZMQ_CPP11 send_result_t send(const_buffer buf, send_flags flags = send_flags::none) { const int nbytes = zmq_send(_handle, buf.data(), buf.size(), static_cast(flags)); if (nbytes >= 0) return static_cast(nbytes); if (zmq_errno() == EAGAIN) return {}; throw error_t(); } send_result_t send(message_t &msg, send_flags flags) { int nbytes = zmq_msg_send(msg.handle(), _handle, static_cast(flags)); if (nbytes >= 0) return static_cast(nbytes); if (zmq_errno() == EAGAIN) return {}; throw error_t(); } send_result_t send(message_t &&msg, send_flags flags) { return send(msg, flags); } #endif ZMQ_CPP11_DEPRECATED( "from 4.3.1, use recv taking a mutable_buffer and recv_flags") size_t recv(void *buf_, size_t len_, int flags_ = 0) { int nbytes = zmq_recv(_handle, buf_, len_, flags_); if (nbytes >= 0) return static_cast(nbytes); if (zmq_errno() == EAGAIN) return 0; throw error_t(); } ZMQ_CPP11_DEPRECATED( "from 4.3.1, use recv taking a reference to message_t and recv_flags") bool recv(message_t *msg_, int flags_ = 0) { int nbytes = zmq_msg_recv(msg_->handle(), _handle, flags_); if (nbytes >= 0) return true; if (zmq_errno() == EAGAIN) return false; throw error_t(); } #ifdef ZMQ_CPP11 ZMQ_NODISCARD recv_buffer_result_t recv(mutable_buffer buf, recv_flags flags = recv_flags::none) { const int nbytes = zmq_recv(_handle, buf.data(), buf.size(), static_cast(flags)); if (nbytes >= 0) { return recv_buffer_size{ (std::min)(static_cast(nbytes), buf.size()), static_cast(nbytes)}; } if (zmq_errno() == EAGAIN) return {}; throw error_t(); } ZMQ_NODISCARD recv_result_t recv(message_t &msg, recv_flags flags = recv_flags::none) { const int nbytes = zmq_msg_recv(msg.handle(), _handle, static_cast(flags)); if (nbytes >= 0) { assert(msg.size() == static_cast(nbytes)); return static_cast(nbytes); } if (zmq_errno() == EAGAIN) return {}; throw error_t(); } #endif #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) void join(const char *group) { int rc = zmq_join(_handle, group); if (rc != 0) throw error_t(); } void leave(const char *group) { int rc = zmq_leave(_handle, group); if (rc != 0) throw error_t(); } #endif ZMQ_NODISCARD void *handle() ZMQ_NOTHROW { return _handle; } ZMQ_NODISCARD const void *handle() const ZMQ_NOTHROW { return _handle; } ZMQ_EXPLICIT operator bool() const ZMQ_NOTHROW { return _handle != ZMQ_NULLPTR; } // note: non-const operator bool can be removed once // operator void* is removed from socket_t ZMQ_EXPLICIT operator bool() ZMQ_NOTHROW { return _handle != ZMQ_NULLPTR; } protected: void *_handle; private: void set_option(int option_, const void *optval_, size_t optvallen_) { int rc = zmq_setsockopt(_handle, option_, optval_, optvallen_); if (rc != 0) throw error_t(); } void get_option(int option_, void *optval_, size_t *optvallen_) const { int rc = zmq_getsockopt(_handle, option_, optval_, optvallen_); if (rc != 0) throw error_t(); } }; } // namespace detail struct from_handle_t { struct _private { }; // disabling use other than with from_handle ZMQ_CONSTEXPR_FN ZMQ_EXPLICIT from_handle_t(_private /*p*/) ZMQ_NOTHROW {} }; ZMQ_CONSTEXPR_VAR from_handle_t from_handle = from_handle_t(from_handle_t::_private()); // A non-owning nullable reference to a socket. // The reference is invalidated on socket close or destruction. class socket_ref : public detail::socket_base { public: socket_ref() ZMQ_NOTHROW : detail::socket_base() {} #ifdef ZMQ_CPP11 socket_ref(std::nullptr_t) ZMQ_NOTHROW : detail::socket_base() {} #endif socket_ref(from_handle_t /*fh*/, void *handle) ZMQ_NOTHROW : detail::socket_base(handle) { } }; #ifdef ZMQ_CPP11 inline bool operator==(socket_ref sr, std::nullptr_t /*p*/) ZMQ_NOTHROW { return sr.handle() == nullptr; } inline bool operator==(std::nullptr_t /*p*/, socket_ref sr) ZMQ_NOTHROW { return sr.handle() == nullptr; } inline bool operator!=(socket_ref sr, std::nullptr_t /*p*/) ZMQ_NOTHROW { return !(sr == nullptr); } inline bool operator!=(std::nullptr_t /*p*/, socket_ref sr) ZMQ_NOTHROW { return !(sr == nullptr); } #endif inline bool operator==(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return std::equal_to()(a.handle(), b.handle()); } inline bool operator!=(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return !(a == b); } inline bool operator<(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return std::less()(a.handle(), b.handle()); } inline bool operator>(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return b < a; } inline bool operator<=(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return !(a > b); } inline bool operator>=(const detail::socket_base& a, const detail::socket_base& b) ZMQ_NOTHROW { return !(a < b); } } // namespace zmq #ifdef ZMQ_CPP11 namespace std { template<> struct hash { size_t operator()(zmq::socket_ref sr) const ZMQ_NOTHROW { return hash()(sr.handle()); } }; } // namespace std #endif namespace zmq { class socket_t : public detail::socket_base { friend class monitor_t; public: socket_t() ZMQ_NOTHROW : detail::socket_base(ZMQ_NULLPTR), ctxptr(ZMQ_NULLPTR) {} socket_t(context_t &context_, int type_) : detail::socket_base(zmq_socket(context_.handle(), type_)), ctxptr(context_.handle()) { if (_handle == ZMQ_NULLPTR) throw error_t(); } #ifdef ZMQ_CPP11 socket_t(context_t &context_, socket_type type_) : socket_t(context_, static_cast(type_)) { } #endif #ifdef ZMQ_HAS_RVALUE_REFS socket_t(socket_t &&rhs) ZMQ_NOTHROW : detail::socket_base(rhs._handle), ctxptr(rhs.ctxptr) { rhs._handle = ZMQ_NULLPTR; rhs.ctxptr = ZMQ_NULLPTR; } socket_t &operator=(socket_t &&rhs) ZMQ_NOTHROW { close(); std::swap(_handle, rhs._handle); std::swap(ctxptr, rhs.ctxptr); return *this; } #endif ~socket_t() ZMQ_NOTHROW { close(); } operator void *() ZMQ_NOTHROW { return _handle; } operator void const *() const ZMQ_NOTHROW { return _handle; } void close() ZMQ_NOTHROW { if (_handle == ZMQ_NULLPTR) // already closed return; int rc = zmq_close(_handle); ZMQ_ASSERT(rc == 0); _handle = ZMQ_NULLPTR; ctxptr = ZMQ_NULLPTR; } void swap(socket_t &other) ZMQ_NOTHROW { std::swap(_handle, other._handle); std::swap(ctxptr, other.ctxptr); } operator socket_ref() ZMQ_NOTHROW { return socket_ref(from_handle, _handle); } private: void *ctxptr; socket_t(const socket_t &) ZMQ_DELETED_FUNCTION; void operator=(const socket_t &) ZMQ_DELETED_FUNCTION; // used by monitor_t socket_t(void *context_, int type_) : detail::socket_base(zmq_socket(context_, type_)), ctxptr(context_) { if (_handle == ZMQ_NULLPTR) throw error_t(); if (ctxptr == ZMQ_NULLPTR) throw error_t(); } }; inline void swap(socket_t &a, socket_t &b) ZMQ_NOTHROW { a.swap(b); } ZMQ_DEPRECATED("from 4.3.1, use proxy taking socket_t objects") inline void proxy(void *frontend, void *backend, void *capture) { int rc = zmq_proxy(frontend, backend, capture); if (rc != 0) throw error_t(); } inline void proxy(socket_ref frontend, socket_ref backend, socket_ref capture = socket_ref()) { int rc = zmq_proxy(frontend.handle(), backend.handle(), capture.handle()); if (rc != 0) throw error_t(); } #ifdef ZMQ_HAS_PROXY_STEERABLE ZMQ_DEPRECATED("from 4.3.1, use proxy_steerable taking socket_t objects") inline void proxy_steerable(void *frontend, void *backend, void *capture, void *control) { int rc = zmq_proxy_steerable(frontend, backend, capture, control); if (rc != 0) throw error_t(); } inline void proxy_steerable(socket_ref frontend, socket_ref backend, socket_ref capture, socket_ref control) { int rc = zmq_proxy_steerable(frontend.handle(), backend.handle(), capture.handle(), control.handle()); if (rc != 0) throw error_t(); } #endif class monitor_t { public: monitor_t() : _socket(), _monitor_socket() {} virtual ~monitor_t() { close(); } #ifdef ZMQ_HAS_RVALUE_REFS monitor_t(monitor_t &&rhs) ZMQ_NOTHROW : _socket(), _monitor_socket() { std::swap(_socket, rhs._socket); std::swap(_monitor_socket, rhs._monitor_socket); } monitor_t &operator=(monitor_t &&rhs) ZMQ_NOTHROW { close(); _socket = socket_ref(); std::swap(_socket, rhs._socket); std::swap(_monitor_socket, rhs._monitor_socket); return *this; } #endif void monitor(socket_t &socket, std::string const &addr, int events = ZMQ_EVENT_ALL) { monitor(socket, addr.c_str(), events); } void monitor(socket_t &socket, const char *addr_, int events = ZMQ_EVENT_ALL) { init(socket, addr_, events); while (true) { check_event(-1); } } void init(socket_t &socket, std::string const &addr, int events = ZMQ_EVENT_ALL) { init(socket, addr.c_str(), events); } void init(socket_t &socket, const char *addr_, int events = ZMQ_EVENT_ALL) { int rc = zmq_socket_monitor(socket.handle(), addr_, events); if (rc != 0) throw error_t(); _socket = socket; _monitor_socket = socket_t(socket.ctxptr, ZMQ_PAIR); _monitor_socket.connect(addr_); on_monitor_started(); } bool check_event(int timeout = 0) { assert(_monitor_socket); zmq::message_t eventMsg; zmq::pollitem_t items[] = { {_monitor_socket.handle(), 0, ZMQ_POLLIN, 0}, }; #ifdef ZMQ_CPP11 zmq::poll(&items[0], 1, std::chrono::milliseconds(timeout)); #else zmq::poll(&items[0], 1, timeout); #endif if (items[0].revents & ZMQ_POLLIN) { int rc = zmq_msg_recv(eventMsg.handle(), _monitor_socket.handle(), 0); if (rc == -1 && zmq_errno() == ETERM) return false; assert(rc != -1); } else { return false; } #if ZMQ_VERSION_MAJOR >= 4 const char *data = static_cast(eventMsg.data()); zmq_event_t msgEvent; memcpy(&msgEvent.event, data, sizeof(uint16_t)); data += sizeof(uint16_t); memcpy(&msgEvent.value, data, sizeof(int32_t)); zmq_event_t *event = &msgEvent; #else zmq_event_t *event = static_cast(eventMsg.data()); #endif #ifdef ZMQ_NEW_MONITOR_EVENT_LAYOUT zmq::message_t addrMsg; int rc = zmq_msg_recv(addrMsg.handle(), _monitor_socket.handle(), 0); if (rc == -1 && zmq_errno() == ETERM) { return false; } assert(rc != -1); std::string address = addrMsg.to_string(); #else // Bit of a hack, but all events in the zmq_event_t union have the same layout so this will work for all event types. std::string address = event->data.connected.addr; #endif #ifdef ZMQ_EVENT_MONITOR_STOPPED if (event->event == ZMQ_EVENT_MONITOR_STOPPED) { return false; } #endif switch (event->event) { case ZMQ_EVENT_CONNECTED: on_event_connected(*event, address.c_str()); break; case ZMQ_EVENT_CONNECT_DELAYED: on_event_connect_delayed(*event, address.c_str()); break; case ZMQ_EVENT_CONNECT_RETRIED: on_event_connect_retried(*event, address.c_str()); break; case ZMQ_EVENT_LISTENING: on_event_listening(*event, address.c_str()); break; case ZMQ_EVENT_BIND_FAILED: on_event_bind_failed(*event, address.c_str()); break; case ZMQ_EVENT_ACCEPTED: on_event_accepted(*event, address.c_str()); break; case ZMQ_EVENT_ACCEPT_FAILED: on_event_accept_failed(*event, address.c_str()); break; case ZMQ_EVENT_CLOSED: on_event_closed(*event, address.c_str()); break; case ZMQ_EVENT_CLOSE_FAILED: on_event_close_failed(*event, address.c_str()); break; case ZMQ_EVENT_DISCONNECTED: on_event_disconnected(*event, address.c_str()); break; #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 0) || (defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 3)) case ZMQ_EVENT_HANDSHAKE_FAILED_NO_DETAIL: on_event_handshake_failed_no_detail(*event, address.c_str()); break; case ZMQ_EVENT_HANDSHAKE_FAILED_PROTOCOL: on_event_handshake_failed_protocol(*event, address.c_str()); break; case ZMQ_EVENT_HANDSHAKE_FAILED_AUTH: on_event_handshake_failed_auth(*event, address.c_str()); break; case ZMQ_EVENT_HANDSHAKE_SUCCEEDED: on_event_handshake_succeeded(*event, address.c_str()); break; #elif defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 1) case ZMQ_EVENT_HANDSHAKE_FAILED: on_event_handshake_failed(*event, address.c_str()); break; case ZMQ_EVENT_HANDSHAKE_SUCCEED: on_event_handshake_succeed(*event, address.c_str()); break; #endif default: on_event_unknown(*event, address.c_str()); break; } return true; } #ifdef ZMQ_EVENT_MONITOR_STOPPED void abort() { if (_socket) zmq_socket_monitor(_socket.handle(), ZMQ_NULLPTR, 0); _socket = socket_ref(); } #endif virtual void on_monitor_started() {} virtual void on_event_connected(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_connect_delayed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_connect_retried(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_listening(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_bind_failed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_accepted(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_accept_failed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_closed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_close_failed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_disconnected(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 3) virtual void on_event_handshake_failed_no_detail(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_handshake_failed_protocol(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_handshake_failed_auth(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_handshake_succeeded(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } #elif ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 1) virtual void on_event_handshake_failed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } virtual void on_event_handshake_succeed(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } #endif virtual void on_event_unknown(const zmq_event_t &event_, const char *addr_) { (void) event_; (void) addr_; } private: monitor_t(const monitor_t &) ZMQ_DELETED_FUNCTION; void operator=(const monitor_t &) ZMQ_DELETED_FUNCTION; socket_ref _socket; socket_t _monitor_socket; void close() ZMQ_NOTHROW { if (_socket) zmq_socket_monitor(_socket.handle(), ZMQ_NULLPTR, 0); _monitor_socket.close(); } }; #if defined(ZMQ_BUILD_DRAFT_API) && defined(ZMQ_CPP11) && defined(ZMQ_HAVE_POLLER) // polling events enum class event_flags : short { none = 0, pollin = ZMQ_POLLIN, pollout = ZMQ_POLLOUT, pollerr = ZMQ_POLLERR, pollpri = ZMQ_POLLPRI }; constexpr event_flags operator|(event_flags a, event_flags b) noexcept { return detail::enum_bit_or(a, b); } constexpr event_flags operator&(event_flags a, event_flags b) noexcept { return detail::enum_bit_and(a, b); } constexpr event_flags operator^(event_flags a, event_flags b) noexcept { return detail::enum_bit_xor(a, b); } constexpr event_flags operator~(event_flags a) noexcept { return detail::enum_bit_not(a); } struct no_user_data; // layout compatible with zmq_poller_event_t template struct poller_event { socket_ref socket; ::zmq::fd_t fd; T *user_data; event_flags events; }; template class poller_t { public: using event_type = poller_event; poller_t() : poller_ptr(zmq_poller_new()) { if (!poller_ptr) throw error_t(); } template< typename Dummy = void, typename = typename std::enable_if::value, Dummy>::type> void add(zmq::socket_ref socket, event_flags events, T *user_data) { add_impl(socket, events, user_data); } void add(zmq::socket_ref socket, event_flags events) { add_impl(socket, events, nullptr); } template< typename Dummy = void, typename = typename std::enable_if::value, Dummy>::type> void add(fd_t fd, event_flags events, T *user_data) { add_impl(fd, events, user_data); } void add(fd_t fd, event_flags events) { add_impl(fd, events, nullptr); } void remove(zmq::socket_ref socket) { if (0 != zmq_poller_remove(poller_ptr.get(), socket.handle())) { throw error_t(); } } void modify(zmq::socket_ref socket, event_flags events) { if (0 != zmq_poller_modify(poller_ptr.get(), socket.handle(), static_cast(events))) { throw error_t(); } } size_t wait_all(std::vector &poller_events, const std::chrono::milliseconds timeout) { int rc = zmq_poller_wait_all( poller_ptr.get(), reinterpret_cast(poller_events.data()), static_cast(poller_events.size()), static_cast(timeout.count())); if (rc > 0) return static_cast(rc); #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 3) if (zmq_errno() == EAGAIN) #else if (zmq_errno() == ETIMEDOUT) #endif return 0; throw error_t(); } #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 3, 3) size_t size() const noexcept { int rc = zmq_poller_size(const_cast(poller_ptr.get())); ZMQ_ASSERT(rc >= 0); return static_cast(std::max(rc, 0)); } #endif private: struct destroy_poller_t { void operator()(void *ptr) noexcept { int rc = zmq_poller_destroy(&ptr); ZMQ_ASSERT(rc == 0); } }; std::unique_ptr poller_ptr; void add_impl(zmq::socket_ref socket, event_flags events, T *user_data) { if (0 != zmq_poller_add(poller_ptr.get(), socket.handle(), user_data, static_cast(events))) { throw error_t(); } } void add_impl(fd_t fd, event_flags events, T *user_data) { if (0 != zmq_poller_add_fd(poller_ptr.get(), fd, user_data, static_cast(events))) { throw error_t(); } } }; #endif // defined(ZMQ_BUILD_DRAFT_API) && defined(ZMQ_CPP11) && defined(ZMQ_HAVE_POLLER) inline std::ostream &operator<<(std::ostream &os, const message_t &msg) { return os << msg.str(); } } // namespace zmq #endif // __ZMQ_HPP_INCLUDED__ cppzmq-4.10.0/zmq_addon.hpp000066400000000000000000000571541444427475700156310ustar00rootroot00000000000000/* Copyright (c) 2016-2017 ZeroMQ community Copyright (c) 2016 VOCA AS / Harald Nøkland Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __ZMQ_ADDON_HPP_INCLUDED__ #define __ZMQ_ADDON_HPP_INCLUDED__ #include "zmq.hpp" #include #include #include #include #ifdef ZMQ_CPP11 #include #include #include #endif namespace zmq { #ifdef ZMQ_CPP11 namespace detail { template recv_result_t recv_multipart_n(socket_ref s, OutputIt out, size_t n, recv_flags flags) { size_t msg_count = 0; message_t msg; while (true) { if ZMQ_CONSTEXPR_IF (CheckN) { if (msg_count >= n) throw std::runtime_error( "Too many message parts in recv_multipart_n"); } if (!s.recv(msg, flags)) { // zmq ensures atomic delivery of messages assert(msg_count == 0); return {}; } ++msg_count; const bool more = msg.more(); *out++ = std::move(msg); if (!more) break; } return msg_count; } inline bool is_little_endian() { const uint16_t i = 0x01; return *reinterpret_cast(&i) == 0x01; } inline void write_network_order(unsigned char *buf, const uint32_t value) { if (is_little_endian()) { ZMQ_CONSTEXPR_VAR uint32_t mask = (std::numeric_limits::max)(); *buf++ = static_cast((value >> 24) & mask); *buf++ = static_cast((value >> 16) & mask); *buf++ = static_cast((value >> 8) & mask); *buf++ = static_cast(value & mask); } else { std::memcpy(buf, &value, sizeof(value)); } } inline uint32_t read_u32_network_order(const unsigned char *buf) { if (is_little_endian()) { return (static_cast(buf[0]) << 24) + (static_cast(buf[1]) << 16) + (static_cast(buf[2]) << 8) + static_cast(buf[3]); } else { uint32_t value; std::memcpy(&value, buf, sizeof(value)); return value; } } } // namespace detail /* Receive a multipart message. Writes the zmq::message_t objects to OutputIterator out. The out iterator must handle an unspecified number of writes, e.g. by using std::back_inserter. Returns: the number of messages received or nullopt (on EAGAIN). Throws: if recv throws. Any exceptions thrown by the out iterator will be propagated and the message may have been only partially received with pending message parts. It is adviced to close this socket in that event. */ template ZMQ_NODISCARD recv_result_t recv_multipart(socket_ref s, OutputIt out, recv_flags flags = recv_flags::none) { return detail::recv_multipart_n(s, std::move(out), 0, flags); } /* Receive a multipart message. Writes at most n zmq::message_t objects to OutputIterator out. If the number of message parts of the incoming message exceeds n then an exception will be thrown. Returns: the number of messages received or nullopt (on EAGAIN). Throws: if recv throws. Throws std::runtime_error if the number of message parts exceeds n (exactly n messages will have been written to out). Any exceptions thrown by the out iterator will be propagated and the message may have been only partially received with pending message parts. It is adviced to close this socket in that event. */ template ZMQ_NODISCARD recv_result_t recv_multipart_n(socket_ref s, OutputIt out, size_t n, recv_flags flags = recv_flags::none) { return detail::recv_multipart_n(s, std::move(out), n, flags); } /* Send a multipart message. The range must be a ForwardRange of zmq::message_t, zmq::const_buffer or zmq::mutable_buffer. The flags may be zmq::send_flags::sndmore if there are more message parts to be sent after the call to this function. Returns: the number of messages sent (exactly msgs.size()) or nullopt (on EAGAIN). Throws: if send throws. Any exceptions thrown by the msgs range will be propagated and the message may have been only partially sent. It is adviced to close this socket in that event. */ template::value && (std::is_same, message_t>::value || detail::is_buffer>::value)>::type #endif > send_result_t send_multipart(socket_ref s, Range &&msgs, send_flags flags = send_flags::none) { using std::begin; using std::end; auto it = begin(msgs); const auto end_it = end(msgs); size_t msg_count = 0; while (it != end_it) { const auto next = std::next(it); const auto msg_flags = flags | (next == end_it ? send_flags::none : send_flags::sndmore); if (!s.send(*it, msg_flags)) { // zmq ensures atomic delivery of messages assert(it == begin(msgs)); return {}; } ++msg_count; it = next; } return msg_count; } /* Encode a multipart message. The range must be a ForwardRange of zmq::message_t. A zmq::multipart_t or STL container may be passed for encoding. Returns: a zmq::message_t holding the encoded multipart data. Throws: std::range_error is thrown if the size of any single part can not fit in an unsigned 32 bit integer. The encoding is compatible with that used by the CZMQ function zmsg_encode(), see https://rfc.zeromq.org/spec/50/. Each part consists of a size followed by the data. These are placed contiguously into the output message. A part of size less than 255 bytes will have a single byte size value. Larger parts will have a five byte size value with the first byte set to 0xFF and the remaining four bytes holding the size of the part's data. */ template::value && (std::is_same, message_t>::value || detail::is_buffer>::value)>::type #endif > message_t encode(const Range &parts) { size_t mmsg_size = 0; // First pass check sizes for (const auto &part : parts) { const size_t part_size = part.size(); if (part_size > (std::numeric_limits::max)()) { // Size value must fit into uint32_t. throw std::range_error("Invalid size, message part too large"); } const size_t count_size = part_size < (std::numeric_limits::max)() ? 1 : 5; mmsg_size += part_size + count_size; } message_t encoded(mmsg_size); unsigned char *buf = encoded.data(); for (const auto &part : parts) { const uint32_t part_size = static_cast(part.size()); const unsigned char *part_data = static_cast(part.data()); if (part_size < (std::numeric_limits::max)()) { // small part *buf++ = (unsigned char) part_size; } else { // big part *buf++ = (std::numeric_limits::max)(); detail::write_network_order(buf, part_size); buf += sizeof(part_size); } std::memcpy(buf, part_data, part_size); buf += part_size; } assert(static_cast(buf - encoded.data()) == mmsg_size); return encoded; } /* Decode an encoded message to multiple parts. The given output iterator must be a ForwardIterator to a container holding zmq::message_t such as a zmq::multipart_t or various STL containers. Returns the ForwardIterator advanced once past the last decoded part. Throws: a std::out_of_range is thrown if the encoded part sizes lead to exceeding the message data bounds. The decoding assumes the message is encoded in the manner performed by zmq::encode(), see https://rfc.zeromq.org/spec/50/. */ template OutputIt decode(const message_t &encoded, OutputIt out) { const unsigned char *source = encoded.data(); const unsigned char *const limit = source + encoded.size(); while (source < limit) { size_t part_size = *source++; if (part_size == (std::numeric_limits::max)()) { if (static_cast(limit - source) < sizeof(uint32_t)) { throw std::out_of_range( "Malformed encoding, overflow in reading size"); } part_size = detail::read_u32_network_order(source); // the part size is allowed to be less than 0xFF source += sizeof(uint32_t); } if (static_cast(limit - source) < part_size) { throw std::out_of_range("Malformed encoding, overflow in reading part"); } *out = message_t(source, part_size); ++out; source += part_size; } assert(source == limit); return out; } #endif #ifdef ZMQ_HAS_RVALUE_REFS /* This class handles multipart messaging. It is the C++ equivalent of zmsg.h, which is part of CZMQ (the high-level C binding). Furthermore, it is a major improvement compared to zmsg.hpp, which is part of the examples in the ØMQ Guide. Unnecessary copying is avoided by using move semantics to efficiently add/remove parts. */ class multipart_t { private: std::deque m_parts; public: typedef std::deque::value_type value_type; typedef std::deque::iterator iterator; typedef std::deque::const_iterator const_iterator; typedef std::deque::reverse_iterator reverse_iterator; typedef std::deque::const_reverse_iterator const_reverse_iterator; // Default constructor multipart_t() {} // Construct from socket receive multipart_t(socket_ref socket) { recv(socket); } // Construct from memory block multipart_t(const void *src, size_t size) { addmem(src, size); } // Construct from string multipart_t(const std::string &string) { addstr(string); } // Construct from message part multipart_t(message_t &&message) { add(std::move(message)); } // Move constructor multipart_t(multipart_t &&other) ZMQ_NOTHROW { m_parts = std::move(other.m_parts); } // Move assignment operator multipart_t &operator=(multipart_t &&other) ZMQ_NOTHROW { m_parts = std::move(other.m_parts); return *this; } // Destructor virtual ~multipart_t() { clear(); } message_t &operator[](size_t n) { return m_parts[n]; } const message_t &operator[](size_t n) const { return m_parts[n]; } message_t &at(size_t n) { return m_parts.at(n); } const message_t &at(size_t n) const { return m_parts.at(n); } iterator begin() { return m_parts.begin(); } const_iterator begin() const { return m_parts.begin(); } const_iterator cbegin() const { return m_parts.cbegin(); } reverse_iterator rbegin() { return m_parts.rbegin(); } const_reverse_iterator rbegin() const { return m_parts.rbegin(); } iterator end() { return m_parts.end(); } const_iterator end() const { return m_parts.end(); } const_iterator cend() const { return m_parts.cend(); } reverse_iterator rend() { return m_parts.rend(); } const_reverse_iterator rend() const { return m_parts.rend(); } // Delete all parts void clear() { m_parts.clear(); } // Get number of parts size_t size() const { return m_parts.size(); } // Check if number of parts is zero bool empty() const { return m_parts.empty(); } // Receive multipart message from socket bool recv(socket_ref socket, int flags = 0) { clear(); bool more = true; while (more) { message_t message; #ifdef ZMQ_CPP11 if (!socket.recv(message, static_cast(flags))) return false; #else if (!socket.recv(&message, flags)) return false; #endif more = message.more(); add(std::move(message)); } return true; } // Send multipart message to socket bool send(socket_ref socket, int flags = 0) { flags &= ~(ZMQ_SNDMORE); bool more = size() > 0; while (more) { message_t message = pop(); more = size() > 0; #ifdef ZMQ_CPP11 if (!socket.send(message, static_cast( (more ? ZMQ_SNDMORE : 0) | flags))) return false; #else if (!socket.send(message, (more ? ZMQ_SNDMORE : 0) | flags)) return false; #endif } clear(); return true; } // Concatenate other multipart to front void prepend(multipart_t &&other) { while (!other.empty()) push(other.remove()); } // Concatenate other multipart to back void append(multipart_t &&other) { while (!other.empty()) add(other.pop()); } // Push memory block to front void pushmem(const void *src, size_t size) { m_parts.push_front(message_t(src, size)); } // Push memory block to back void addmem(const void *src, size_t size) { m_parts.push_back(message_t(src, size)); } // Push string to front void pushstr(const std::string &string) { m_parts.push_front(message_t(string.data(), string.size())); } // Push string to back void addstr(const std::string &string) { m_parts.push_back(message_t(string.data(), string.size())); } // Push type (fixed-size) to front template void pushtyp(const T &type) { static_assert(!std::is_same::value, "Use pushstr() instead of pushtyp()"); m_parts.push_front(message_t(&type, sizeof(type))); } // Push type (fixed-size) to back template void addtyp(const T &type) { static_assert(!std::is_same::value, "Use addstr() instead of addtyp()"); m_parts.push_back(message_t(&type, sizeof(type))); } // Push message part to front void push(message_t &&message) { m_parts.push_front(std::move(message)); } // Push message part to back void add(message_t &&message) { m_parts.push_back(std::move(message)); } // Alias to allow std::back_inserter() void push_back(message_t &&message) { m_parts.push_back(std::move(message)); } // Pop string from front std::string popstr() { std::string string(m_parts.front().data(), m_parts.front().size()); m_parts.pop_front(); return string; } // Pop type (fixed-size) from front template T poptyp() { static_assert(!std::is_same::value, "Use popstr() instead of poptyp()"); if (sizeof(T) != m_parts.front().size()) throw std::runtime_error( "Invalid type, size does not match the message size"); T type = *m_parts.front().data(); m_parts.pop_front(); return type; } // Pop message part from front message_t pop() { message_t message = std::move(m_parts.front()); m_parts.pop_front(); return message; } // Pop message part from back message_t remove() { message_t message = std::move(m_parts.back()); m_parts.pop_back(); return message; } // get message part from front const message_t &front() { return m_parts.front(); } // get message part from back const message_t &back() { return m_parts.back(); } // Get pointer to a specific message part const message_t *peek(size_t index) const { return &m_parts[index]; } // Get a string copy of a specific message part std::string peekstr(size_t index) const { std::string string(m_parts[index].data(), m_parts[index].size()); return string; } // Peek type (fixed-size) from front template T peektyp(size_t index) const { static_assert(!std::is_same::value, "Use peekstr() instead of peektyp()"); if (sizeof(T) != m_parts[index].size()) throw std::runtime_error( "Invalid type, size does not match the message size"); T type = *m_parts[index].data(); return type; } // Create multipart from type (fixed-size) template static multipart_t create(const T &type) { multipart_t multipart; multipart.addtyp(type); return multipart; } // Copy multipart multipart_t clone() const { multipart_t multipart; for (size_t i = 0; i < size(); i++) multipart.addmem(m_parts[i].data(), m_parts[i].size()); return multipart; } // Dump content to string std::string str() const { std::stringstream ss; for (size_t i = 0; i < m_parts.size(); i++) { const unsigned char *data = m_parts[i].data(); size_t size = m_parts[i].size(); // Dump the message as text or binary bool isText = true; for (size_t j = 0; j < size; j++) { if (data[j] < 32 || data[j] > 127) { isText = false; break; } } ss << "\n[" << std::dec << std::setw(3) << std::setfill('0') << size << "] "; if (size >= 1000) { ss << "... (too big to print)"; continue; } for (size_t j = 0; j < size; j++) { if (isText) ss << static_cast(data[j]); else ss << std::hex << std::setw(2) << std::setfill('0') << static_cast(data[j]); } } return ss.str(); } // Check if equal to other multipart bool equal(const multipart_t *other) const ZMQ_NOTHROW { return *this == *other; } bool operator==(const multipart_t &other) const ZMQ_NOTHROW { if (size() != other.size()) return false; for (size_t i = 0; i < size(); i++) if (at(i) != other.at(i)) return false; return true; } bool operator!=(const multipart_t &other) const ZMQ_NOTHROW { return !(*this == other); } #ifdef ZMQ_CPP11 // Return single part message_t encoded from this multipart_t. message_t encode() const { return zmq::encode(*this); } // Decode encoded message into multiple parts and append to self. void decode_append(const message_t &encoded) { zmq::decode(encoded, std::back_inserter(*this)); } // Return a new multipart_t containing the decoded message_t. static multipart_t decode(const message_t &encoded) { multipart_t tmp; zmq::decode(encoded, std::back_inserter(tmp)); return tmp; } #endif private: // Disable implicit copying (moving is more efficient) multipart_t(const multipart_t &other) ZMQ_DELETED_FUNCTION; void operator=(const multipart_t &other) ZMQ_DELETED_FUNCTION; }; // class multipart_t inline std::ostream &operator<<(std::ostream &os, const multipart_t &msg) { return os << msg.str(); } #endif // ZMQ_HAS_RVALUE_REFS #if defined(ZMQ_BUILD_DRAFT_API) && defined(ZMQ_CPP11) && defined(ZMQ_HAVE_POLLER) class active_poller_t { public: active_poller_t() = default; ~active_poller_t() = default; active_poller_t(const active_poller_t &) = delete; active_poller_t &operator=(const active_poller_t &) = delete; active_poller_t(active_poller_t &&src) = default; active_poller_t &operator=(active_poller_t &&src) = default; using handler_type = std::function; void add(zmq::socket_ref socket, event_flags events, handler_type handler) { if (!handler) throw std::invalid_argument("null handler in active_poller_t::add"); auto ret = handlers.emplace( socket, std::make_shared(std::move(handler))); if (!ret.second) throw error_t(EINVAL); // already added try { base_poller.add(socket, events, ret.first->second.get()); need_rebuild = true; } catch (...) { // rollback handlers.erase(socket); throw; } } void remove(zmq::socket_ref socket) { base_poller.remove(socket); handlers.erase(socket); need_rebuild = true; } void modify(zmq::socket_ref socket, event_flags events) { base_poller.modify(socket, events); } size_t wait(std::chrono::milliseconds timeout) { if (need_rebuild) { poller_events.resize(handlers.size()); poller_handlers.clear(); poller_handlers.reserve(handlers.size()); for (const auto &handler : handlers) { poller_handlers.push_back(handler.second); } need_rebuild = false; } const auto count = base_poller.wait_all(poller_events, timeout); std::for_each(poller_events.begin(), poller_events.begin() + static_cast(count), [](decltype(base_poller)::event_type &event) { assert(event.user_data != nullptr); (*event.user_data)(event.events); }); return count; } ZMQ_NODISCARD bool empty() const noexcept { return handlers.empty(); } size_t size() const noexcept { return handlers.size(); } private: bool need_rebuild{false}; poller_t base_poller{}; std::unordered_map> handlers{}; std::vector poller_events{}; std::vector> poller_handlers{}; }; // class active_poller_t #endif // defined(ZMQ_BUILD_DRAFT_API) && defined(ZMQ_CPP11) && defined(ZMQ_HAVE_POLLER) } // namespace zmq #endif // __ZMQ_ADDON_HPP_INCLUDED__