【ZeroMQ】轮询zmq_poll()的使用

来源：互联网发布：影响期货行情三大数据编辑：程序博客网时间：2024/05/17 01:56

注意：此时不可以用ZMQ_REP ZMQ_REQ。因为ZMQ_REQ发送一次数据后，如果没有收到数据，不能再次发送数据。

ZmqIOServer端：

#include <assert.h>#include <iostream>#include <tchar.h>#include <zmq.h>using namespace std;#pragma comment(lib,"libzmq.lib")void main(int argc,TCHAR*argv[]){void *ctx;ctx = zmq_init(1);assert(ctx);void *s1;s1 = zmq_socket(ctx,ZMQ_PULL);assert(s1);void *s2;s2 = zmq_socket(ctx,ZMQ_PULL);assert(s2);zmq_bind(s1,"tcp://127.0.0.1:6000");zmq_bind(s2,"tcp://127.0.0.1:7000");while(1){zmq_pollitem_t items[2];items[0].socket = s1;items[0].fd = 0;items[0].events = ZMQ_POLLIN;items[1].socket = s2;items[1].fd = 0;items[1].events = ZMQ_POLLIN;int nRet = zmq_poll(items,2,-1);if(0 == nRet)continue;zmq_msg_t msg;char re_string[20] = {0};if(items[0].revents > 0){zmq_msg_init(&msg);zmq_recv(s1,&msg,0);memcpy(re_string,(char*)zmq_msg_data(&msg),zmq_msg_size(&msg));cout<<"Socket1 recv : "<<re_string<<endl;zmq_msg_close(&msg);}if(items[1].revents > 0){zmq_msg_init(&msg);zmq_recv(s2,&msg,0);memcpy(re_string,(char*)zmq_msg_data(&msg),zmq_msg_size(&msg));cout<<"Socket2 recv : "<<re_string<<endl;zmq_msg_close(&msg);}}zmq_close(s1);zmq_close(s2);zmq_term(ctx);}

ZmqIOClient1端：

#include <assert.h>#include <iostream>#include <tchar.h>#include <zmq.h>using namespace std;#pragma comment(lib,"libzmq.lib")void main(int argc,TCHAR*argv[]){void *ctx;ctx = zmq_init(1);assert(ctx);void *s1;s1 = zmq_socket(ctx,ZMQ_PUSH);assert(s1);zmq_connect(s1,"tcp://127.0.0.1:6000");while(1){char sd_string[20];cout<<"请输入sd_string:"<<endl;gets(sd_string);zmq_msg_t msg;zmq_msg_init_size(&msg,strlen(sd_string)+1);memcpy(zmq_msg_data(&msg),sd_string,strlen(sd_string)+1);zmq_send(s1,&msg,0);zmq_msg_close(&msg);}zmq_close(s1);zmq_term(ctx);}

ZmqIOClient2端：

#include <assert.h>#include <iostream>#include <tchar.h>#include <zmq.h>using namespace std;#pragma comment(lib,"libzmq.lib")void main(int argc,TCHAR*argv[]){void *ctx;ctx = zmq_init(1);assert(ctx);void *s1;s1 = zmq_socket(ctx,ZMQ_PUSH);assert(s1);zmq_connect(s1,"tcp://127.0.0.1:7000");while(1){char sd_string[20];cout<<"请输入sd_string2:"<<endl;gets(sd_string);zmq_msg_t msg;zmq_msg_init_size(&msg,strlen(sd_string)+1);memcpy(zmq_msg_data(&msg),sd_string,strlen(sd_string)+1);zmq_send(s1,&msg,0);zmq_msg_close(&msg);}zmq_close(s1);zmq_term(ctx);}