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/* myclient.c: "External" client component.
*
* Copyright (C) 2011 VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <zmq.h>
#include <zmq_utils.h>
#define ERR_EXIT(what) { \
fprintf (stderr, "error in %s: %s\n", what, zmq_strerror (errno)); \
exit (EXIT_FAILURE); \
}
int main (int argc, char *argv [])
{
const char *connect_to = "dns://myservice.test";
void *ctx;
void *s;
int rc;
zmq_msg_t msg;
if (argc != 1) {
fprintf (stderr, "usage: myclient\n");
exit (EXIT_FAILURE);
}
ctx = zmq_init (1);
if (!ctx)
ERR_EXIT ("zmq_init");
s = zmq_socket (ctx, ZMQ_SUB);
if (!s)
ERR_EXIT ("zmq_socket");
rc = zmq_setsockopt (s, ZMQ_SUBSCRIBE, "", 0);
if (rc != 0)
ERR_EXIT ("zmq_setsockopt");
rc = zmq_connect (s, connect_to);
if (rc != 0)
ERR_EXIT ("zmq_connect");
rc = zmq_msg_init (&msg);
if (rc != 0)
ERR_EXIT ("zmq_msg_init");
for (;;) {
rc = zmq_recvmsg (s, &msg, 0);
if (rc < 0)
ERR_EXIT ("zmq_recvmsg");
printf ("+");
fflush (stdout);
}
exit (EXIT_SUCCESS);
}
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