int main(int argc, char** argv) {
void* context = zmq_ctx_new();
void* pubSocket;
void* subSocket;
(pubSocket = zmq_socket(context, ZMQ_XPUB)) || printf("zmq_socket: %s\n", zmq_strerror(errno));
(subSocket = zmq_socket(context, ZMQ_SUB)) || printf("zmq_socket: %s\n", zmq_strerror(errno));
zmq_setsockopt(subSocket, ZMQ_SUBSCRIBE, "foo", 3) && printf("zmq_setsockopt: %s\n",zmq_strerror(errno));
zmq_bind(pubSocket, "inproc://someInProcDescriptor") && printf("zmq_bind: %s\n", zmq_strerror(errno));
//zmq_bind(pubSocket, "tcp://*:30010") && printf("zmq_bind: %s\n", zmq_strerror(errno));
int32_t more;
size_t more_size = sizeof(more);
int iteration = 0;
while(1) {
zmq_pollitem_t items [] = {
{ subSocket, 0, ZMQ_POLLIN, 0 }, // read publications
{ pubSocket, 0, ZMQ_POLLIN, 0 }, // read subscriptions
};
zmq_poll(items, 2, 500);
if (items[1].revents & ZMQ_POLLIN) {
while (1) {
zmq_msg_t msg;
zmq_msg_init (&msg);
zmq_msg_recv (&msg, pubSocket, 0);
int msgSize = zmq_msg_size(&msg);
char* buffer = (char*)zmq_msg_data(&msg);
if (buffer[0] == 0) {
assert(isSubscribed);
printf("unsubscribing from '%s'\n", strndup(buffer + 1, msgSize - 1));
isSubscribed = false;
} else {
assert(!isSubscribed);
printf("subscribing on '%s'\n", strndup(buffer + 1, msgSize - 1));
isSubscribed = true;
}
zmq_getsockopt (pubSocket, ZMQ_RCVMORE, &more, &more_size);
zmq_msg_close (&msg);
if (!more)
break; // Last message part
}
}
if (items[0].revents & ZMQ_POLLIN) {
while (1) {
zmq_msg_t msg;
zmq_msg_init (&msg);
zmq_msg_recv (&msg, subSocket, 0);
int msgSize = zmq_msg_size(&msg);
char* buffer = (char*)zmq_msg_data(&msg);
printf("received on subscriber '%s'\n", strndup(buffer, msgSize));
zmq_getsockopt (subSocket, ZMQ_RCVMORE, &more, &more_size);
zmq_msg_close (&msg);
if (!more) {
publicationsReceived++;
break; // Last message part
}
}
}
if (iteration == 1) {
zmq_connect(subSocket, "inproc://someInProcDescriptor") && printf("zmq_connect: %s\n", zmq_strerror(errno));
//zmq_connect(subSocket, "tcp://127.0.0.1:30010") && printf("zmq_connect: %s\n", zmq_strerror(errno));
}
if (iteration == 4) {
zmq_disconnect(subSocket, "inproc://someInProcDescriptor") && printf("zmq_disconnect(%d): %s\n", errno, zmq_strerror(errno));
//zmq_disconnect(subSocket, "tcp://127.0.0.1:30010") && printf("zmq_disconnect: %s\n", zmq_strerror(errno));
}
if (iteration == 10) {
break;
}
zmq_msg_t channelEnvlp;
ZMQ_PREPARE_STRING(channelEnvlp, "foo", 3);
zmq_sendmsg(pubSocket, &channelEnvlp, ZMQ_SNDMORE) >= 0 || printf("zmq_sendmsg: %s\n",zmq_strerror(errno));
zmq_msg_close(&channelEnvlp) && printf("zmq_msg_close: %s\n",zmq_strerror(errno));
zmq_msg_t message;
ZMQ_PREPARE_STRING(message, "this is foo!", 12);
zmq_sendmsg(pubSocket, &message, 0) >= 0 || printf("zmq_sendmsg: %s\n",zmq_strerror(errno));
zmq_msg_close(&message) && printf("zmq_msg_close: %s\n",zmq_strerror(errno));
iteration++;
}
assert(publicationsReceived == 3);
assert(!isSubscribed);
zmq_close(pubSocket) && printf("zmq_close: %s", zmq_strerror(errno));
zmq_close(subSocket) && printf("zmq_close: %s", zmq_strerror(errno));
zmq_ctx_destroy(context);
return 0;
}
int main(int, char**) {
setup_test_environment();
void* context = zmq_ctx_new();
void* pubSocket;
void* subSocket;
(pubSocket = zmq_socket(context, ZMQ_XPUB)) || printf("zmq_socket: %s\n", zmq_strerror(errno));
(subSocket = zmq_socket(context, ZMQ_SUB)) || printf("zmq_socket: %s\n", zmq_strerror(errno));
zmq_setsockopt(subSocket, ZMQ_SUBSCRIBE, "foo", 3) && printf("zmq_setsockopt: %s\n",zmq_strerror(errno));
zmq_bind(pubSocket, "inproc://someInProcDescriptor") && printf("zmq_bind: %s\n", zmq_strerror(errno));
//zmq_bind(pubSocket, "tcp://127.0.0.1:30010") && printf("zmq_bind: %s\n", zmq_strerror(errno));
int more;
size_t more_size = sizeof(more);
int iteration = 0;
while (1) {
zmq_pollitem_t items [] = {
{ subSocket, 0, ZMQ_POLLIN, 0 }, // read publications
{ pubSocket, 0, ZMQ_POLLIN, 0 }, // read subscriptions
};
int rc = zmq_poll (items, 2, 100);
if (items [1].revents & ZMQ_POLLIN) {
while (1) {
zmq_msg_t msg;
zmq_msg_init (&msg);
zmq_msg_recv (&msg, pubSocket, 0);
char* buffer = (char*)zmq_msg_data(&msg);
if (buffer[0] == 0) {
assert(isSubscribed);
isSubscribed = false;
}
else {
assert(!isSubscribed);
isSubscribed = true;
}
zmq_getsockopt (pubSocket, ZMQ_RCVMORE, &more, &more_size);
zmq_msg_close (&msg);
if (!more)
break; // Last message part
}
}
if (items[0].revents & ZMQ_POLLIN) {
while (1) {
zmq_msg_t msg;
zmq_msg_init (&msg);
zmq_msg_recv (&msg, subSocket, 0);
zmq_getsockopt (subSocket, ZMQ_RCVMORE, &more, &more_size);
zmq_msg_close (&msg);
if (!more) {
publicationsReceived++;
break; // Last message part
}
}
}
if (iteration == 1) {
zmq_connect(subSocket, "inproc://someInProcDescriptor") && printf("zmq_connect: %s\n", zmq_strerror(errno));
msleep (SETTLE_TIME);
}
if (iteration == 4) {
zmq_disconnect(subSocket, "inproc://someInProcDescriptor") && printf("zmq_disconnect(%d): %s\n", errno, zmq_strerror(errno));
}
if (iteration > 4 && rc == 0)
break;
zmq_msg_t channelEnvlp;
ZMQ_PREPARE_STRING(channelEnvlp, "foo", 3);
zmq_msg_send (&channelEnvlp, pubSocket, ZMQ_SNDMORE) >= 0 || printf("zmq_msg_send: %s\n",zmq_strerror(errno));
zmq_msg_close(&channelEnvlp) && printf("zmq_msg_close: %s\n",zmq_strerror(errno));
zmq_msg_t message;
ZMQ_PREPARE_STRING(message, "this is foo!", 12);
zmq_msg_send (&message, pubSocket, 0) >= 0 || printf("zmq_msg_send: %s\n",zmq_strerror(errno));
zmq_msg_close(&message) && printf("zmq_msg_close: %s\n",zmq_strerror(errno));
iteration++;
}
assert(publicationsReceived == 3);
assert(!isSubscribed);
zmq_close(pubSocket) && printf("zmq_close: %s", zmq_strerror(errno));
zmq_close(subSocket) && printf("zmq_close: %s", zmq_strerror(errno));
zmq_ctx_term(context);
return 0;
}
int main (int argc, char *argv [])
{
const char *bind_to;
int roundtrip_count;
size_t message_size;
void *ctx;
void *s;
int rc;
int i;
zmq_msg_t msg;
zmq_msg_t topic;
if (argc != 4) {
printf ("usage: %s <bind-to> <message-size> "
"<roundtrip-count>\n", argv[0]);
return 1;
}
bind_to = argv [1];
message_size = atoi (argv [2]);
roundtrip_count = atoi (argv [3]);
ctx = zmq_init (1);
if (!ctx) {
printf ("error in zmq_init: %s\n", zmq_strerror (errno));
return -1;
}
s = zmq_socket (ctx, ZMQ_XPUB);
if (!s) {
printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
return -1;
}
char check_dropped_packets = 1;
if(message_size < GetNumberOfDigits(roundtrip_count)) {
printf("CAUTION: Message size too small to check for dropped packets\r\n");
check_dropped_packets = 0;
}
#ifdef ZMQ_PUB_RELIABLE
// set PUB_RELIABLE
int pub_reliable = 1;
rc = zmq_setsockopt(s, ZMQ_PUB_RELIABLE, &pub_reliable, sizeof(pub_reliable));
if (rc != 0) {
printf ("error in zmq_setsockopt (ZMQ_PUB_RELIABLE): %s\n", zmq_strerror (errno));
return -1;
}
#endif
// set infinity HWM
int hwm = 1000;
rc = zmq_setsockopt(s, ZMQ_SNDHWM, &hwm , sizeof(hwm));
if (rc != 0) {
printf ("error in zmq_setsockopt (ZMQ_SNDHWM): %s\n", zmq_strerror (errno));
return -1;
}
// get HWM
size_t hwmlen = sizeof(hwm);
rc = zmq_getsockopt(s, ZMQ_SNDHWM, &hwm , &hwmlen);
if (rc != 0) {
printf ("error in zmq_getsockopt (ZMQ_SNDHWM): %s\n", zmq_strerror (errno));
return -1;
}
printf("HWM=%d\r\n", hwm);
rc = zmq_bind (s, bind_to);
if (rc != 0) {
printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
return -1;
}
rc = zmq_msg_init (&msg);
if (rc != 0) {
printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno));
return -1;
}
printf("Waiting for subscriber.\r\n");
rc = zmq_recvmsg (s, &msg, 0);
if (rc < 0) {
printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
return -1;
}
printf("Subscriber detected!\n");
rc = zmq_msg_close (&msg);
if (rc != 0) {
printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
return -1;
}
for (i = 0; i != roundtrip_count; i++) {
//PREPARE MSGS
ZMQ_PREPARE_STRING(topic, "TEST", 4);
void* buffer = malloc(message_size);
memset (buffer, 0, message_size);
if(check_dropped_packets) {
sprintf(buffer, "%d", i);
}
rc = zmq_msg_init_data (&msg, buffer, message_size, my_free, NULL);
if (rc != 0) {
printf ("error in zmq_msg_init_data: %s\n", zmq_strerror (errno));
return -1;
}
rc = zmq_msg_send (&topic, s, ZMQ_SNDMORE);
if (rc < 0) {
printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
return -1;
}
rc = zmq_msg_send (&msg, s, 0);
if (rc < 0) {
printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
return -1;
}
//printf("SENT %d\n",i);
}
rc = zmq_msg_close (&topic);
if (rc != 0) {
printf ("error in zmq_msg_close: %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;
}
zmq_sleep (1);
rc = zmq_close (s);
if (rc != 0) {
printf ("error in zmq_close: %s\n", zmq_strerror (errno));
return -1;
}
rc = zmq_term (ctx);
if (rc != 0) {
printf ("error in zmq_term: %s\n", zmq_strerror (errno));
return -1;
}
return 0;
}