libzmq/tests/test_xpub_welcome_msg.cpp
2014-11-26 15:53:50 +02:00

72 lines
1.9 KiB
C++

/*
Copyright (c) 2007-2014 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"
int main (void)
{
setup_test_environment();
void *ctx = zmq_ctx_new ();
assert (ctx);
// Create a publisher
void *pub = zmq_socket (ctx, ZMQ_XPUB);
assert (pub);
int rc = zmq_bind (pub, "inproc://soname");
assert (rc == 0);
// set pub socket options
rc = zmq_setsockopt(pub, ZMQ_XPUB_WELCOME_MSG, "W", 1);
assert (rc == 0);
// Create a subscriber
void *sub = zmq_socket (ctx, ZMQ_SUB);
// Subscribe to the welcome message
rc = zmq_setsockopt(sub, ZMQ_SUBSCRIBE, "W", 1);
assert(rc == 0);
assert (sub);
rc = zmq_connect (sub, "inproc://soname");
assert (rc == 0);
char buffer[2];
// Receive the welcome subscription
rc = zmq_recv(pub, buffer, 2, 0);
assert(rc == 2);
assert(buffer[0] == 1);
assert(buffer[1] == 'W');
// Receive the welcome message
rc = zmq_recv(sub, buffer, 1, 0);
assert(rc == 1);
assert(buffer[0] == 'W');
// Clean up.
rc = zmq_close (pub);
assert (rc == 0);
rc = zmq_close (sub);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}