contrib/src/main/c/zmq_push/zmq_push.c

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

int main (int argc, char **argv) {

  void *context;
  void *sock;

  if (argc != 2) {
    fprintf(stderr, "Usage: %s <address>\n", argv[0]);
    exit(1);
  }

  context = zmq_ctx_new ();
  if (!context) {
    fprintf(stderr, "Can't create ZeroMQ context\n");
    exit(1);
  }

  sock = zmq_socket (context, ZMQ_PUSH);
  if (!sock) {
    perror("zmq_socket");
    exit(1);
  }

  if (zmq_bind(sock, argv[1]) != 0) {
    perror("zmq_bind");
    exit(1);
  }

  while (1) {
    char line[65536];
    zmq_msg_t msg;
    int len;

    if (!fgets(line, sizeof(line), stdin)) {
      break;
    }

    len = strlen(line);
    zmq_msg_init(&msg);
    zmq_msg_init_size(&msg, len);
    memcpy(zmq_msg_data(&msg), line, len);
    zmq_msg_send(&msg, sock, ZMQ_NOBLOCK);
    zmq_msg_close(&msg);

  }
  //  We never get here but if we did, this would be how we end
  zmq_close (sock);
  zmq_ctx_destroy (context);

  return 0;
}