Windows10 + Visual Studio 2017环境为C++工程安装使用ZMQ

#include <zmq.hpp>
#include <string>
#include <iostream>
#ifdef _WIN32
#include <windows.h>
#define sleep(x) Sleep(x)
#else
#include <unistd.h>
#endif

int main() {
	// 准备上下文和套接字
	zmq::context_t context(1);
	zmq::socket_t socket(context, ZMQ_REP);
	socket.bind("tcp://*:5555");

	while (true) {
		zmq::message_t request;

		// 等待客户端请求
		socket.recv(&request);
		std::cout << "收到 Hello" << std::endl;

		// 做一些“处理”
		sleep(1);

		// 应答World
		zmq::message_t reply(5);
		memcpy((void *)reply.data(), "World", 5);
		socket.send(reply);
	}
	return 0;
}

//
//  Hello World client in C++
//  Connects REQ socket to tcp://localhost:5555
//  Sends "Hello" to server, expects "World" back
//
#include <zmq.hpp>
#include <string>
#include <iostream>

int main ()
{
    //  Prepare our context and socket
    zmq::context_t context (1);
    zmq::socket_t socket (context, ZMQ_REQ);

    std::cout << "Connecting to hello world server..." << std::endl;
    socket.connect ("tcp://localhost:5555");

    //  Do 10 requests, waiting each time for a response
    for (int request_nbr = 0; request_nbr != 10; request_nbr++) {
        zmq::message_t request (6);
        memcpy ((void *) request.data (), "Hello", 5);
        std::cout << "Sending Hello " << request_nbr << "..." << std::endl;
        socket.send (request);

        //  Get the reply.
        zmq::message_t reply;
        socket.recv (&reply);
        std::cout << "Received World " << request_nbr << std::endl;
    }
    return 0;
}