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

int main (void)
{
    int rst;
    printf ("Connecting to hello world server…\n");
    void *context = zmq_ctx_new ();
    void *requester = zmq_socket (context, ZMQ_REQ);
    unsigned int uiTimeout = 3 * 1000;

    zmq_setsockopt(requester, ZMQ_RCVTIMEO, &uiTimeout, sizeof(uiTimeout));
    zmq_setsockopt(requester, ZMQ_SNDTIMEO, &uiTimeout, sizeof(uiTimeout));
    zmq_connect (requester, "tcp://localhost:5555");

    int request_nbr;
    for (request_nbr = 0; request_nbr != 100; request_nbr++) {
        char buffer [10];
        sprintf(buffer, "Hello %d", request_nbr);
        printf ("-----------------%d--------------\n",request_nbr);
        printf ("Sending %s…, rst:", buffer);
        rst = zmq_send (requester, buffer, sizeof(buffer), 0);
        if(rst < 0)
        {
            printf("Send error: %s\n", zmq_strerror(zmq_errno()));
            // sleep(1);
            // continue;
        }
        else
            printf ("...ok\n");
        rst = zmq_recv (requester, buffer, 10, 0);
        if(rst < 0)
        {
            printf("recv error: %s\n", zmq_strerror(zmq_errno()));
            // sleep(1);
            // continue;
        }
        else
            printf ("Received World %d\n", request_nbr);

        // sleep(1);
    }
    zmq_close (requester);
    zmq_ctx_destroy (context);
    return 0;
}