我需要做什么才能让 ZMQ_RADIO / ZMQ_DISH 正常工作？

我正在尝试使用 ZMQ 草案规范ZMQ_RADIO and ZMQ_DISH。我用 CMake 构建了 libzmq 和 cppzmqExternalProject和旗帜ENABLE_DRAFTS=ON并验证它是使用草稿建造的zmq_has()功能。我修改了标准你好世界示例 http://zguide.zeromq.org/cpp:hwserver使用收音机和碟形天线，但无法让他们说话。我还收到编译错误ZMQ_RADIO and ZMQ_DISH未定义。我手动定义它们并进行编译，但我从未获得实际连接，因此似乎还有其他问题。

这是我的代码：

CMakeLists.txt

cmake_minimum_required(VERSION 2.8.11)
project(zmq_udp)

include(ExternalProject)

ExternalProject_Add(libzmq
    GIT_REPOSITORY https://github.com/zeromq/libzmq
    GIT_TAG master
    CMAKE_ARGS 
      -DENABLE_DRAFTS=ON
      -DWITH_PERF_TOOL=OFF 
      -DZMQ_BUILD_TESTS=OFF 
      -DENABLE_CPACK=OFF
      -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/zmq
      -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=${CMAKE_BINARY_DIR}/zmq/lib
      -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
      -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
      -DCMAKE_SHARED_LINKER_FLAGS=${CMAKE_SHARED_LINKER_FLAGS}
)

ExternalProject_Add(cppzmq
    GIT_REPOSITORY https://github.com/zeromq/cppzmq
    GIT_TAG master
    CONFIGURE_COMMAND ""
    BUILD_COMMAND ""
    INSTALL_COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/zmq.hpp ${CMAKE_BINARY_DIR}/zmq/include/zmq.hpp
    TEST_COMMAND ""
)

add_dependencies(cppzmq libzmq)

set(ZEROMQ_LIBNAME "libzmq.so")
set(ZEROMQ_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/zmq/include)
set(ZEROMQ_LIBRARIES ${CMAKE_BINARY_DIR}/zmq/lib/${ZEROMQ_LIBNAME})

include_directories(${ZEROMQ_INCLUDE_DIRS})

add_executable(server server.cpp)
add_executable(client client.cpp)
add_dependencies(server cppzmq)
add_dependencies(client cppzmq)
target_link_libraries(server ${ZEROMQ_LIBRARIES})
target_link_libraries(client ${ZEROMQ_LIBRARIES})

服务器.cpp

#include <zmq.hpp>
#include <string>
#include <iostream>

#define ZMQ_DISH 15

int main ()
{
    std::cout << zmq_has("draft") << std::endl;

    zmq::context_t context (1);
    zmq::socket_t socket (context, ZMQ_DISH);
    socket.bind ("udp://127.0.0.1:5555");

    while (true)
    {
        zmq::message_t request;

        socket.recv (&request);
        std::cout << "Received Hello" << std::endl;
    }

    return 0;
}

客户端.cpp

#include <zmq.hpp>
#include <string>
#include <iostream>
#include <unistd.h>

#define ZMQ_RADIO 14

int main ()
{
    zmq::context_t context (1);
    zmq::socket_t socket (context, ZMQ_RADIO);

    std::cout << "Connecting to hello world server…" << std::endl;
    socket.connect ("udp://127.0.0.1:5555");

    for (int request_nbr = 0; request_nbr != 10; request_nbr++)
    {
        zmq::message_t request (5);
        memcpy (request.data (), "Hello", 5);
        std::cout << "Sending Hello " << request_nbr << "…" << std::endl;
        socket.send (request);

        sleep(1);
    }

    return 0;
}

服务器按照预期输出 1zmq_has()函数，它应该验证 libzmq 是在草稿 API 模式下构建的。

我需要做什么才能获得RADIO/DISH能正常工作吗？

我想在项目中使用 ZMQ 作为 UDP 接收器来从非 ZMQ 应用程序接收一些 UDP 数据包。

RADIO 和 DISH 处于草稿状态，在稳定版本中不可用。如果您需要访问 DRAFT API，请从此构建 zmqlink https://build.opensuse.org/project/show/network:messaging:zeromq:git-draft

以下为部分内容zmq.hpp

// These functions are DRAFT and disabled in stable releases, and subject to 
// change at ANY time until declared stable.                                 
    #ifdef ZMQ_BUILD_DRAFT_API

    //DRAFT Socket types.                                                       
#define ZMQ_SERVER 12
#define ZMQ_CLIENT 13
#define ZMQ_RADIO 14
#define ZMQ_DISH 15
#define ZMQ_GATHER 16
#define ZMQ_SCATTER 17
#define ZMQ_DGRAM 18
#endif