mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-15 03:21:11 +01:00
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
|
|
Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
|
|
|
|
This file is part of libzmq, the ZeroMQ core engine in C++.
|
|
|
|
libzmq is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License (LGPL) as published
|
|
by the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
As a special exception, the Contributors give you permission to link
|
|
this library with independent modules to produce an executable,
|
|
regardless of the license terms of these independent modules, and to
|
|
copy and distribute the resulting executable under terms of your choice,
|
|
provided that you also meet, for each linked independent module, the
|
|
terms and conditions of the license of that module. An independent
|
|
module is a module which is not derived from or based on this library.
|
|
If you modify this library, you must extend this exception to your
|
|
version of the library.
|
|
|
|
libzmq 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 ;
|
|
}
|