void *client_task (void *args)
{
zctx_t *ctx = zctx_new ();
void *subscriber = zsocket_new (ctx, ZMQ_SUB);
void *pusher = zsocket_new (ctx, ZMQ_PUSH);
zsocket_connect (subscriber, "tcp://localhost:5563");
zsocket_connect (pusher, "tcp://localhost:5564");
int i;
for (i = 0; i < 1000000; i++) {
zsocket_set_subscribe (subscriber, "A");
zmq_pollitem_t polla [] = { { pusher, 0, ZMQ_POLLOUT, 0 } };
if (zmq_poll (polla, 1, 100) == 1)
zstr_send (pusher, "B");
zmq_pollitem_t pollb [] = { { subscriber, 0, ZMQ_POLLIN, 0 } };
if (zmq_poll (pollb, 1, 100) == 1)
free (zstr_recv (subscriber));
zsocket_set_unsubscribe (subscriber, "A");
}
return NULL;
}
int
zsockopt_test (bool verbose)
{
printf (" * zsockopt: ");
// @selftest
zctx_t *ctx = zctx_new ();
assert (ctx);
void *zocket;
#if (ZMQ_VERSION_MAJOR == 2)
# if defined (ZMQ_HWM)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_hwm (zocket, 1);
assert (zsocket_hwm (zocket) == 1);
zsocket_hwm (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SWAP)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_swap (zocket, 1);
assert (zsocket_swap (zocket) == 1);
zsocket_swap (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_AFFINITY)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_affinity (zocket, 1);
assert (zsocket_affinity (zocket) == 1);
zsocket_affinity (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_IDENTITY)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_identity (zocket, "test");
char *identity = zsocket_identity (zocket);
assert (identity);
free (identity);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RATE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rate (zocket, 1);
assert (zsocket_rate (zocket) == 1);
zsocket_rate (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECOVERY_IVL)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_recovery_ivl (zocket, 1);
assert (zsocket_recovery_ivl (zocket) == 1);
zsocket_recovery_ivl (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECOVERY_IVL_MSEC)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_recovery_ivl_msec (zocket, 1);
assert (zsocket_recovery_ivl_msec (zocket) == 1);
zsocket_recovery_ivl_msec (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_MCAST_LOOP)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_mcast_loop (zocket, 1);
assert (zsocket_mcast_loop (zocket) == 1);
zsocket_mcast_loop (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if (ZMQ_VERSION_MINOR == 2)
# if defined (ZMQ_RCVTIMEO)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rcvtimeo (zocket, 1);
assert (zsocket_rcvtimeo (zocket) == 1);
zsocket_rcvtimeo (zocket);
zsocket_destroy (ctx, zocket);
# endif
# endif
# if (ZMQ_VERSION_MINOR == 2)
# if defined (ZMQ_SNDTIMEO)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_sndtimeo (zocket, 1);
assert (zsocket_sndtimeo (zocket) == 1);
zsocket_sndtimeo (zocket);
zsocket_destroy (ctx, zocket);
# endif
# endif
# if defined (ZMQ_SNDBUF)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_sndbuf (zocket, 1);
assert (zsocket_sndbuf (zocket) == 1);
zsocket_sndbuf (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVBUF)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rcvbuf (zocket, 1);
assert (zsocket_rcvbuf (zocket) == 1);
zsocket_rcvbuf (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_LINGER)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_linger (zocket, 1);
assert (zsocket_linger (zocket) == 1);
zsocket_linger (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECONNECT_IVL)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_reconnect_ivl (zocket, 1);
assert (zsocket_reconnect_ivl (zocket) == 1);
zsocket_reconnect_ivl (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECONNECT_IVL_MAX)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_reconnect_ivl_max (zocket, 1);
assert (zsocket_reconnect_ivl_max (zocket) == 1);
zsocket_reconnect_ivl_max (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_BACKLOG)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_backlog (zocket, 1);
assert (zsocket_backlog (zocket) == 1);
zsocket_backlog (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SUBSCRIBE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_subscribe (zocket, "test");
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_UNSUBSCRIBE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_unsubscribe (zocket, "test");
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_TYPE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_type (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVMORE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_rcvmore (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_FD)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_fd (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_EVENTS)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_events (zocket);
zsocket_destroy (ctx, zocket);
# endif
#endif
#if (ZMQ_VERSION_MAJOR == 3)
# if defined (ZMQ_TYPE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_type (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SNDHWM)
zocket = zsocket_new (ctx, ZMQ_PUB);
assert (zocket);
zsocket_set_sndhwm (zocket, 1);
assert (zsocket_sndhwm (zocket) == 1);
zsocket_sndhwm (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVHWM)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rcvhwm (zocket, 1);
assert (zsocket_rcvhwm (zocket) == 1);
zsocket_rcvhwm (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_AFFINITY)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_affinity (zocket, 1);
assert (zsocket_affinity (zocket) == 1);
zsocket_affinity (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SUBSCRIBE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_subscribe (zocket, "test");
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_UNSUBSCRIBE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_unsubscribe (zocket, "test");
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_IDENTITY)
zocket = zsocket_new (ctx, ZMQ_DEALER);
assert (zocket);
zsocket_set_identity (zocket, "test");
char *identity = zsocket_identity (zocket);
assert (identity);
free (identity);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RATE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rate (zocket, 1);
assert (zsocket_rate (zocket) == 1);
zsocket_rate (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECOVERY_IVL)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_recovery_ivl (zocket, 1);
assert (zsocket_recovery_ivl (zocket) == 1);
zsocket_recovery_ivl (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SNDBUF)
zocket = zsocket_new (ctx, ZMQ_PUB);
assert (zocket);
zsocket_set_sndbuf (zocket, 1);
assert (zsocket_sndbuf (zocket) == 1);
zsocket_sndbuf (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVBUF)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rcvbuf (zocket, 1);
assert (zsocket_rcvbuf (zocket) == 1);
zsocket_rcvbuf (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_LINGER)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_linger (zocket, 1);
assert (zsocket_linger (zocket) == 1);
zsocket_linger (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECONNECT_IVL)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_reconnect_ivl (zocket, 1);
assert (zsocket_reconnect_ivl (zocket) == 1);
zsocket_reconnect_ivl (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RECONNECT_IVL_MAX)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_reconnect_ivl_max (zocket, 1);
assert (zsocket_reconnect_ivl_max (zocket) == 1);
zsocket_reconnect_ivl_max (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_BACKLOG)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_backlog (zocket, 1);
assert (zsocket_backlog (zocket) == 1);
zsocket_backlog (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_MAXMSGSIZE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_maxmsgsize (zocket, 1);
assert (zsocket_maxmsgsize (zocket) == 1);
zsocket_maxmsgsize (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_MULTICAST_HOPS)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_multicast_hops (zocket, 1);
assert (zsocket_multicast_hops (zocket) == 1);
zsocket_multicast_hops (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVTIMEO)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_rcvtimeo (zocket, 1);
assert (zsocket_rcvtimeo (zocket) == 1);
zsocket_rcvtimeo (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_SNDTIMEO)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_sndtimeo (zocket, 1);
assert (zsocket_sndtimeo (zocket) == 1);
zsocket_sndtimeo (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_IPV4ONLY)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_set_ipv4only (zocket, 1);
assert (zsocket_ipv4only (zocket) == 1);
zsocket_ipv4only (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_DELAY_ATTACH_ON_CONNECT)
zocket = zsocket_new (ctx, ZMQ_PUB);
assert (zocket);
zsocket_set_delay_attach_on_connect (zocket, 1);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_ROUTER_MANDATORY)
zocket = zsocket_new (ctx, ZMQ_ROUTER);
assert (zocket);
zsocket_set_router_mandatory (zocket, 1);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_ROUTER_RAW)
zocket = zsocket_new (ctx, ZMQ_ROUTER);
assert (zocket);
zsocket_set_router_raw (zocket, 1);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_XPUB_VERBOSE)
zocket = zsocket_new (ctx, ZMQ_XPUB);
assert (zocket);
zsocket_set_xpub_verbose (zocket, 1);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_RCVMORE)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_rcvmore (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_FD)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_fd (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_EVENTS)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
zsocket_events (zocket);
zsocket_destroy (ctx, zocket);
# endif
# if defined (ZMQ_LAST_ENDPOINT)
zocket = zsocket_new (ctx, ZMQ_SUB);
assert (zocket);
char *last_endpoint = zsocket_last_endpoint (zocket);
assert (last_endpoint);
free (last_endpoint);
zsocket_destroy (ctx, zocket);
# endif
zocket = zsocket_new (ctx, ZMQ_SUB);
zsocket_set_hwm (zocket, 1);
#endif
zctx_destroy (&ctx);
// @end
printf ("OK\n");
return 0;
}
int main (void)
{
zctx_t *context = zctx_new ();
void *frontend = zsocket_new (context, ZMQ_SUB);
zsocket_bind (frontend, "ipc://frontend");
void *backend = zsocket_new (context, ZMQ_XPUB);
zsocket_bind (backend, "ipc://backend");
// .split main poll loop
// We route topic updates from frontend to backend, and
// we handle subscriptions by sending whatever we cached,
// if anything:
while (true) {
printf("Polling...\r\n");
zmq_pollitem_t items [] = {
{ frontend, 0, ZMQ_POLLIN, 0 },
{ backend, 0, ZMQ_POLLIN, 0 }
};
if (zmq_poll (items, 2, -1) <= 0)
break; // Interrupted(-1) or no event signaled (0)
printf("Something read...\r\n");
// Any new topic data we cache and then forward
if (items [0].revents & ZMQ_POLLIN) {
printf("Received... ");
char *topic = zstr_recv (frontend);
char *current = zstr_recv (frontend);
if (!topic)
break;
printf("%s : %s \r\n", topic, current);
zstr_sendm (backend, topic);
zstr_send (backend, current);
free (topic);
}
// .split handle subscriptions
// When we get a new subscription, we pull data from the cache:
if (items [1].revents & ZMQ_POLLIN) {
printf("Received new subscription...\r\n");
zframe_t *frame = zframe_recv (backend);
if (!frame)
break;
// Event is one byte 0=unsub or 1=sub, followed by topic
byte *event = zframe_data (frame);
char *topic = zmalloc (zframe_size (frame));
memcpy (topic, event + 1, zframe_size (frame) - 1);
printf ("Topic is %s\n", topic);
if (event [0] == 0) {
printf ("Unsubscribing topic %s\r\n", topic);
zsocket_set_unsubscribe (frontend, topic);
}
if (event [0] == 1) {
printf ("Subscribing topic %s\r\n", topic);
zsocket_set_subscribe (frontend, topic);
}
free(topic);
zframe_destroy (&frame);
}
}
zctx_destroy (&context);
return 0;
}
