PracticeDev/study_clang/zmq/mult-thread-reqrep/client.c

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

void *context;
void *requester;

void initSocket()
{
    context = zmq_ctx_new ();
    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 SendData(const void *pvData, unsigned int uiDataLen)
{
    initSocket();
    return zmq_send (requester, pvData, uiDataLen, 0);
}
int RecvData(void *pvData, unsigned int uiDataLen)
{
    int rst = zmq_recv (requester, pvData, uiDataLen, 0);
    zmq_close (requester);
    zmq_ctx_destroy (context);
    return rst;
}

void *client1(void *args)
{
    int rst;
    printf ("Connecting to hello world server…\n");

    int request_nbr;
    for (request_nbr = 0; request_nbr != 100; request_nbr++) {
        char buffer [20];
        sprintf(buffer, "Hellooooooooooooooooooooooooooooooooooo %d", request_nbr);
        printf ("-----------------%d--------------\n",request_nbr);
        printf ("Sending %s…, rst:", buffer);
        rst = SendData(buffer, 20);
        if(rst < 0)
        {
            printf("Send error: %s\n", zmq_strerror(zmq_errno()));
            sleep(1);
            continue;
        }
        else
            printf ("...ok\n");
        rst = RecvData(buffer, 20);
        if(rst < 0)
        {
            printf("recv error: %s\n", zmq_strerror(zmq_errno()));
        }
        else
            printf ("Received World %d\n", request_nbr);
        sleep(1);
    }
    zmq_close (requester);
    zmq_ctx_destroy (context);
}



int main (void)
{
    int rst;
    printf ("Connecting to hello world server…\n");

    int request_nbr;
    for (request_nbr = 0; request_nbr != 100; request_nbr++) {
        char buffer [1024];
        sprintf(buffer, "Hello00000000000000000000 %d", request_nbr);
        printf ("-----------------%d--------------\n",request_nbr);
        printf ("Sending %s…, rst:", buffer);
        // rst = zmq_send (requester, buffer, sizeof(buffer), 0);
        rst = SendData(buffer, sizeof(buffer));
        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);
        rst = RecvData(buffer, sizeof(buffer));
        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;
}