libzmq/tests/test_monitor.cpp
2017-08-21 12:20:36 +02:00

117 lines
4.3 KiB
C++

/*
Copyright (c) 2007-2017 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"
#include "testutil_security.hpp"
int main (void)
{
setup_test_environment();
size_t len = MAX_SOCKET_STRING;
char my_endpoint[MAX_SOCKET_STRING];
void *ctx = zmq_ctx_new ();
assert (ctx);
// We'll monitor these two sockets
void *client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
void *server = zmq_socket (ctx, ZMQ_DEALER);
assert (server);
// Socket monitoring only works over inproc://
int rc = zmq_socket_monitor (client, "tcp://127.0.0.1:*", 0);
assert (rc == -1);
assert (zmq_errno () == EPROTONOSUPPORT);
// Monitor all events on client and server sockets
rc = zmq_socket_monitor (client, "inproc://monitor-client", ZMQ_EVENT_ALL);
assert (rc == 0);
rc = zmq_socket_monitor (server, "inproc://monitor-server", ZMQ_EVENT_ALL);
assert (rc == 0);
// Create two sockets for collecting monitor events
void *client_mon = zmq_socket (ctx, ZMQ_PAIR);
assert (client_mon);
void *server_mon = zmq_socket (ctx, ZMQ_PAIR);
assert (server_mon);
// Connect these to the inproc endpoints so they'll get events
rc = zmq_connect (client_mon, "inproc://monitor-client");
assert (rc == 0);
rc = zmq_connect (server_mon, "inproc://monitor-server");
assert (rc == 0);
// Now do a basic ping test
rc = zmq_bind (server, "tcp://127.0.0.1:*");
assert (rc == 0);
rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
assert (rc == 0);
rc = zmq_connect (client, my_endpoint);
assert (rc == 0);
bounce (server, client);
// Close client and server
close_zero_linger (client);
close_zero_linger (server);
// Now collect and check events from both sockets
int event = get_monitor_event (client_mon, NULL, NULL);
if (event == ZMQ_EVENT_CONNECT_DELAYED)
event = get_monitor_event (client_mon, NULL, NULL);
assert (event == ZMQ_EVENT_CONNECTED);
#ifdef ZMQ_BUILD_DRAFT_API
expect_monitor_event (client_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
#endif
expect_monitor_event (client_mon, ZMQ_EVENT_MONITOR_STOPPED);
// This is the flow of server events
expect_monitor_event (server_mon, ZMQ_EVENT_LISTENING);
expect_monitor_event (server_mon, ZMQ_EVENT_ACCEPTED);
#ifdef ZMQ_BUILD_DRAFT_API
expect_monitor_event (server_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
#endif
event = get_monitor_event (server_mon, NULL, NULL);
// Sometimes the server sees the client closing before it gets closed.
if (event != ZMQ_EVENT_DISCONNECTED) {
assert (event == ZMQ_EVENT_CLOSED);
event = get_monitor_event (server_mon, NULL, NULL);
}
if (event != ZMQ_EVENT_DISCONNECTED) {
assert (event == ZMQ_EVENT_MONITOR_STOPPED);
}
// Close down the sockets
close_zero_linger (client_mon);
close_zero_linger (server_mon);
zmq_ctx_term (ctx);
return 0 ;
}