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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil.hpp"
/// Initialize a zeromq message with a given null-terminated string
#define ZMQ_PREPARE_STRING(msg, data, size) \
zmq_msg_init(&msg) && printf("zmq_msg_init: %s\n", zmq_strerror(errno)); \
zmq_msg_init_size (&msg, size + 1) && printf("zmq_msg_init_size: %s\n",zmq_strerror(errno)); \
memcpy(zmq_msg_data(&msg), data, size + 1);
int publicationsReceived = 0;
bool isSubscribed = false;
int main(int argc, char** argv) {
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));
//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 > 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;
}
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