#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include "zmq.h"
 
int main()
{
    printf("Hello world!\n");
 
    void* context = zmq_ctx_new();
    assert(context != NULL);
 
    void* subscriber = zmq_socket(context, ZMQ_SUB);
    assert(subscriber != NULL);
 
    int ret = zmq_connect(subscriber, "tcp://localhost:5555");
    assert(ret == 0);
 
    ret = zmq_setsockopt(subscriber, ZMQ_SUBSCRIBE, "", 0);
    assert(ret == 0);
 
    while(1)
    {
        printf("into while\n");
        char szBuf[1024] = {0};
        ret = zmq_recv(subscriber, szBuf, sizeof(szBuf) - 1, 0);
        if (ret > 0)
        {
            printf("%s\n", szBuf);
        }
    }
 
    zmq_close(subscriber);
    zmq_ctx_destroy(context);
 
    return 0;
}