Listener.c

#include <stdio.h>
#include "zmq.h"
 
int main() {
  void *context = zmq_ctx_new();
  void *in_sock = zmq_socket(context, ZMQ_SUB);
  zmq_connect(in_sock, "tcp://127.0.0.1:8081");
  zmq_setsockopt(in_sock, ZMQ_SUBSCRIBE, "[TICKER]", 8 * sizeof(char));
  printf("Entering loop mode..\n");
  printf("Listening for [CHATTR] on tcp://127.0.0.1/8081\n");
  while(1) {
    zmq_msg_t msg;
    zmq_msg_init(&msg);
 
    zmq_recvmsg(in_sock, &msg, 0);
    printf("OKAY\n");
  }
}

Listener.py

import time
import zmq

def main():
    context = zmq.Context()
    socket = context.socket(zmq.SUB)
    socket.connect('tcp://127.0.0.1:8081')
    socket.setsockopt(zmq.SUBSCRIBE, "[TICKER]")
    print "Listening for [TICKER] on tcp://127.0.0.1:8081"
    while True:
        msg = socket.recv()
        print msg

if __name__ == '__main__':
    main()

ticker.py

import time
import zmq

def main():
    context = zmq.Context()
    socket = context.socket(zmq.PUB)
    socket.bind('tcp://*:8081')
    while True:
        socket.send("[TICKER] tick")
        print "ticked.."
        time.sleep(1)

if __name__ == '__main__':
    main()