zeromq的多进程通讯的例子

最新推荐文章于 2025-06-11 06:58:59 发布

charlie_2010

最新推荐文章于 2025-06-11 06:58:59 发布

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本文提供了使用ZeroMQ库实现客户端-服务器通信的C/C++代码示例，包括发送请求、接收响应的过程，并展示了如何通过IPC或TCP进行连接。

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client：

C/C++ code


#include <zmq.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>  

int main ()
{    
 void *context = zmq_init (1); //  Socket to talk to server    
 printf ("Connecting to hello world server...\n");    
 void *requester = zmq_socket (context, ZMQ_DEALER); 
 //void *requester = zmq_socket (context, ZMQ_DEALER);    
zmq_connect (requester, "ipc://pub"); 
//zmq_connect (requester, "tcp://localhost:5555");           
 int request_nbr;    
 while(1)
 {        
  zmq_msg_t request;        
  zmq_msg_init_data (&request, "Hello", 6, NULL, NULL);        
  printf ("Sending request %d...\n", request_nbr);        
  zmq_send (requester, &request, 0);        
  zmq_msg_close (&request); 
  sleep(1);         
 /*zmq_msg_t reply;        
  zmq_msg_init (&reply);        
  zmq_recv (requester, &reply, 0);        
  printf ("Received reply %d: [%s]\n", request_nbr, (char *) zmq_msg_data (&reply));        
  zmq_msg_close (&reply); */
 }    
 zmq_close (requester);    
 zmq_term (context);    
 return 0;
}

client1：

C/C++ code


#include <zmq.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>  

int main ()
{    
 void *context1 = zmq_init (1); //  Socket to talk to server    
 printf ("Connecting to hello world server...\n");    
//void *requester = zmq_socket (context, ZMQ_REQ);   
void *requester1 = zmq_socket (context1, ZMQ_DEALER);  

//zmq_connect (requester1, "tcp://localhost:5556");    
zmq_connect (requester1, "ipc://pub");   
 int request_nbr;    
while(1)
 {        
 /*zmq_msg_t request;        
  zmq_msg_init_data (&request, "wjl", 8, NULL, NULL);        
  printf ("Sending request %d...\n", request_nbr);        
 zmq_send (requester1, &request, 0);         
  zmq_msg_close (&request);   
 sleep(1);    */   
  zmq_msg_t reply;      
  zmq_msg_init (&reply);      
  zmq_recv (requester1, &reply, 0);      
  printf ("Received reply %d: [%s]\n", request_nbr, (char *)
 zmq_msg_data (&reply));        
  zmq_msg_close (&reply);    
 }    
 zmq_close (requester1);    
 zmq_term (context1);    
 return 0;
}

server：

C/C++ code


#include <zmq.hpp>
#include <zmq.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>  
int main ()
{    
 //  Prepare our context and socket    
 zmq::context_t context (1); 
zmq::socket_t socket (context, ZMQ_DEALER);
//void *responder = zmq_socket (context, ZMQ_DEALER);
// zmq_bind(responder, "ipc://pub");

socket.bind ("ipc://pub");
//socket.bind ("ipc://pub1");
//socket.bind("tcp://*:5555");
//socket.bind("tcp://*:5556");


 while (true)
 {        
  zmq::message_t request;           //  Wait for next request from client        
  socket.recv (&request);
 
  printf ("Received request: [%s]\n", (char *) request.data ());           //  Do some 'work'       
  //sleep (1);           //  Send reply back to client    
  //zmq::message_t reply (8);        
 // memcpy ((void *) reply.data (), (char *) request.data (), 8);        
 socket.send (request); 
 } 
 /*while (1) {
        //  Wait for next request from client
        zmq_msg_t request;
        zmq_msg_init (&request);
        zmq_recv (responder, &request, 0);
        printf ("Received Hello\n");
        zmq_msg_close (&request);

        //  Do some 'work'
        sleep (1);

        //  Send reply back to client
        zmq_msg_t reply;
        zmq_msg_init_size (&reply, 5);
        memcpy (zmq_msg_data (&reply), "World", 5);
        zmq_send (responder, &reply, 0);
        zmq_msg_close (&reply);
    }
    //  We never get here but if we did, this would be how we end
    zmq_close (responder);
    zmq_term (context);*/

 return 0;
}