mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-13 18:55:10 +01:00
4a84f8a02e
Solution: use msleep (SETTLE_TIME) everywhere when waiting for the connections/sockets to be settled instead of a variety of patterns and functions to make tests more coherent.
124 lines
4.1 KiB
C++
124 lines
4.1 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"
|
|
|
|
// This is a test for issue #1382. The server thread creates a SUB-PUSH
|
|
// steerable proxy. The main process then sends messages to the SUB
|
|
// but there is no pull on the other side, previously the proxy blocks
|
|
// in writing to the backend, preventing the proxy from terminating
|
|
|
|
void
|
|
server_task (void *ctx)
|
|
{
|
|
// Frontend socket talks to main process
|
|
void *frontend = zmq_socket (ctx, ZMQ_SUB);
|
|
assert (frontend);
|
|
int rc = zmq_setsockopt (frontend, ZMQ_SUBSCRIBE, "", 0);
|
|
assert (rc == 0);
|
|
rc = zmq_bind (frontend, "tcp://127.0.0.1:15564");
|
|
assert (rc == 0);
|
|
|
|
// Nice socket which is never read
|
|
void *backend = zmq_socket (ctx, ZMQ_PUSH);
|
|
assert (backend);
|
|
rc = zmq_bind (backend, "tcp://127.0.0.1:15563");
|
|
assert (rc == 0);
|
|
|
|
// Control socket receives terminate command from main over inproc
|
|
void *control = zmq_socket (ctx, ZMQ_SUB);
|
|
assert (control);
|
|
rc = zmq_setsockopt (control, ZMQ_SUBSCRIBE, "", 0);
|
|
assert (rc == 0);
|
|
rc = zmq_connect (control, "inproc://control");
|
|
assert (rc == 0);
|
|
|
|
// Connect backend to frontend via a proxy
|
|
rc = zmq_proxy_steerable (frontend, backend, NULL, control);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_close (frontend);
|
|
assert (rc == 0);
|
|
rc = zmq_close (backend);
|
|
assert (rc == 0);
|
|
rc = zmq_close (control);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
|
|
// The main thread simply starts a basic steerable proxy server, publishes some messages, and then
|
|
// waits for the server to terminate.
|
|
|
|
int main (void)
|
|
{
|
|
setup_test_environment ();
|
|
|
|
void *ctx = zmq_ctx_new ();
|
|
assert (ctx);
|
|
// Control socket receives terminate command from main over inproc
|
|
void *control = zmq_socket (ctx, ZMQ_PUB);
|
|
assert (control);
|
|
int rc = zmq_bind (control, "inproc://control");
|
|
assert (rc == 0);
|
|
|
|
void *thread = zmq_threadstart(&server_task, ctx);
|
|
msleep (500); // Run for 500 ms
|
|
|
|
// Start a secondary publisher which writes data to the SUB-PUSH server socket
|
|
void *publisher = zmq_socket (ctx, ZMQ_PUB);
|
|
assert (publisher);
|
|
rc = zmq_connect (publisher, "tcp://127.0.0.1:15564");
|
|
assert (rc == 0);
|
|
|
|
msleep (SETTLE_TIME);
|
|
rc = zmq_send (publisher, "This is a test", 14, 0);
|
|
assert (rc == 14);
|
|
|
|
msleep (50);
|
|
rc = zmq_send (publisher, "This is a test", 14, 0);
|
|
assert (rc == 14);
|
|
|
|
msleep (50);
|
|
rc = zmq_send (publisher, "This is a test", 14, 0);
|
|
assert (rc == 14);
|
|
rc = zmq_send (control, "TERMINATE", 9, 0);
|
|
assert (rc == 9);
|
|
|
|
rc = zmq_close (publisher);
|
|
assert (rc == 0);
|
|
rc = zmq_close (control);
|
|
assert (rc == 0);
|
|
|
|
zmq_threadclose (thread);
|
|
|
|
rc = zmq_ctx_term (ctx);
|
|
assert (rc == 0);
|
|
return 0;
|
|
}
|