remote_thr.cpp

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/* SPDX-License-Identifier: MPL-2.0 */
 
#include "../include/zmq.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
// keys are arbitrary but must match local_lat.cpp
const char server_pubkey[] = "DX4nh=yUn{-9ugra0X3Src4SU-4xTgqxcYY.+<SH";
const char client_pubkey[] = "<n^oA}I:66W+*ds3tAmi1+KJzv-}k&fC2aA5Bj0K";
const char client_prvkey[] = "9R9bV}[6z6DC-%$!jTVTKvWc=LEL{4i4gzUe$@Zx";
 
int main (int argc, char *argv[])
{
    const char *connect_to;
    int message_count;
    int message_size;
    void *ctx;
    void *s;
    int rc;
    int i;
    zmq_msg_t msg;
    int curve = 0;
 
    if (argc != 4 && argc != 5) {
        printf ("usage: remote_thr <connect-to> <message-size> "
                "<message-count> [<enable_curve>]\n");
        return 1;
    }
    connect_to = argv[1];
    message_size = atoi (argv[2]);
    message_count = atoi (argv[3]);
    if (argc >= 5 && atoi (argv[4])) {
        curve = 1;
    }
 
    ctx = zmq_init (1);
    if (!ctx) {
        printf ("error in zmq_init: %s\n", zmq_strerror (errno));
        return -1;
    }
 
    s = zmq_socket (ctx, ZMQ_PUSH);
    if (!s) {
        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
        return -1;
    }
 
    //  Add your socket options here.
    //  For example ZMQ_RATE, ZMQ_RECOVERY_IVL and ZMQ_MCAST_LOOP for PGM.
    if (curve) {
        rc = zmq_setsockopt (s, ZMQ_CURVE_SECRETKEY, client_prvkey,
                             sizeof (client_prvkey));
        if (rc != 0) {
            printf ("error in zmq_setsockoopt: %s\n", zmq_strerror (errno));
            return -1;
        }
 
        rc = zmq_setsockopt (s, ZMQ_CURVE_PUBLICKEY, client_pubkey,
                             sizeof (client_pubkey));
        if (rc != 0) {
            printf ("error in zmq_setsockoopt: %s\n", zmq_strerror (errno));
            return -1;
        }
 
        rc = zmq_setsockopt (s, ZMQ_CURVE_SERVERKEY, server_pubkey,
                             sizeof (server_pubkey));
        if (rc != 0) {
            printf ("error in zmq_setsockoopt: %s\n", zmq_strerror (errno));
            return -1;
        }
    }
 
    rc = zmq_connect (s, connect_to);
    if (rc != 0) {
        printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
        return -1;
    }
 
    for (i = 0; i != message_count; i++) {
        rc = zmq_msg_init_size (&msg, message_size);
        if (rc != 0) {
            printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
            return -1;
        }
        rc = zmq_sendmsg (s, &msg, 0);
        if (rc < 0) {
            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
            return -1;
        }
        rc = zmq_msg_close (&msg);
        if (rc != 0) {
            printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
            return -1;
        }
    }
 
    rc = zmq_close (s);
    if (rc != 0) {
        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
        return -1;
    }
 
    rc = zmq_ctx_term (ctx);
    if (rc != 0) {
        printf ("error in zmq_ctx_term: %s\n", zmq_strerror (errno));
        return -1;
    }
 
    return 0;
}