libzmq/tests/test_radio_dish.cpp

192 lines
5.3 KiB
C++
Raw Normal View History

2016-01-27 17:19:14 +01:00
/*
Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
2016-01-27 17:19:14 +01:00
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"
2016-01-28 12:43:23 +01:00
int msg_send (zmq_msg_t *msg_, void *s_, const char* group_, const char* body_)
{
int rc = zmq_msg_init_size (msg_, strlen (body_));
if (rc != 0)
return rc;
memcpy (zmq_msg_data (msg_), body_, strlen (body_));
rc = zmq_msg_set_group (msg_, group_);
if (rc != 0) {
zmq_msg_close (msg_);
return rc;
}
rc = zmq_msg_send (msg_, s_, 0);
zmq_msg_close (msg_);
return rc;
}
int msg_recv_cmp (zmq_msg_t *msg_, void *s_, const char* group_, const char* body_)
{
int rc = zmq_msg_init (msg_);
if (rc != 0)
return -1;
int recv_rc = zmq_msg_recv (msg_, s_, 0);
if (recv_rc == -1)
return -1;
2016-01-28 18:29:06 +01:00
if (strcmp (zmq_msg_group (msg_), group_) != 0)
2016-01-28 12:43:23 +01:00
{
zmq_msg_close (msg_);
return -1;
}
char * body = (char*) malloc (sizeof(char) * (zmq_msg_size (msg_) + 1));
memcpy (body, zmq_msg_data (msg_), zmq_msg_size (msg_));
body [zmq_msg_size (msg_)] = '\0';
if (strcmp (body, body_) != 0)
{
zmq_msg_close (msg_);
return -1;
}
zmq_msg_close (msg_);
2016-01-30 12:21:08 +01:00
free(body);
2016-01-28 12:43:23 +01:00
return recv_rc;
}
2016-01-27 17:19:14 +01:00
int main (void)
{
size_t len = MAX_SOCKET_STRING;
char my_endpoint[MAX_SOCKET_STRING];
2016-01-27 17:19:14 +01:00
setup_test_environment ();
void *ctx = zmq_ctx_new ();
assert (ctx);
void *radio = zmq_socket (ctx, ZMQ_RADIO);
void *dish = zmq_socket (ctx, ZMQ_DISH);
int rc = zmq_bind (radio, "tcp://127.0.0.1:*");
assert (rc == 0);
rc = zmq_getsockopt (radio, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
2016-01-27 17:19:14 +01:00
assert (rc == 0);
// Leaving a group which we didn't join
2016-01-28 12:43:23 +01:00
rc = zmq_leave (dish, "Movies");
2016-01-27 17:19:14 +01:00
assert (rc == -1);
// Joining too long group
char too_long_group[ZMQ_GROUP_MAX_LENGTH + 2];
for (int index = 0; index < ZMQ_GROUP_MAX_LENGTH + 2; index++)
too_long_group[index] = 'A';
too_long_group[ZMQ_GROUP_MAX_LENGTH + 1] = '\0';
rc = zmq_join (dish, too_long_group);
assert (rc == -1);
// Joining
2016-01-28 12:43:23 +01:00
rc = zmq_join (dish, "Movies");
2016-01-27 17:19:14 +01:00
assert (rc == 0);
// Duplicate Joining
2016-01-28 12:43:23 +01:00
rc = zmq_join (dish, "Movies");
2016-01-27 17:19:14 +01:00
assert (rc == -1);
// Connecting
rc = zmq_connect (dish, my_endpoint);
2016-01-27 17:19:14 +01:00
assert (rc == 0);
msleep (SETTLE_TIME);
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
zmq_msg_t msg;
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
// This is not going to be sent as dish only subscribe to "Movies"
rc = msg_send (&msg, radio, "TV", "Friends");
assert (rc == 7);
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
// This is going to be sent to the dish
rc = msg_send (&msg, radio, "Movies", "Godfather");
assert (rc == 9);
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
// Check the correct message arrived
rc = msg_recv_cmp (&msg, dish, "Movies", "Godfather");
assert (rc == 9);
2016-01-27 17:19:14 +01:00
// Join group during connection optvallen
2016-01-28 12:43:23 +01:00
rc = zmq_join (dish, "TV");
2016-01-27 17:19:14 +01:00
assert (rc == 0);
zmq_sleep (1);
// This should arrive now as we joined the group
2016-01-28 12:43:23 +01:00
rc = msg_send (&msg, radio, "TV", "Friends");
assert (rc == 7);
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
// Check the correct message arrived
rc = msg_recv_cmp (&msg, dish, "TV", "Friends");
assert (rc == 7);
2016-01-27 17:19:14 +01:00
2016-01-28 12:43:23 +01:00
// Leaving groupr
rc = zmq_leave (dish, "TV");
2016-01-27 17:19:14 +01:00
assert (rc == 0);
zmq_sleep (1);
2016-01-28 12:43:23 +01:00
// This is not going to be sent as dish only subscribe to "Movies"
rc = msg_send (&msg, radio, "TV", "Friends");
assert (rc == 7);
2016-01-27 17:19:14 +01:00
// This is going to be sent to the dish
2016-01-28 12:43:23 +01:00
rc = msg_send (&msg, radio, "Movies", "Godfather");
assert (rc == 9);
2016-01-27 17:19:14 +01:00
// test zmq_poll with dish
zmq_pollitem_t items [] = {
{ radio, 0, ZMQ_POLLIN, 0 }, // read publications
{ dish, 0, ZMQ_POLLIN, 0 }, // read subscriptions
};
rc = zmq_poll(items, 2, 2000);
assert (rc == 1);
assert (items[1].revents == ZMQ_POLLIN);
2016-01-28 12:43:23 +01:00
// Check the correct message arrived
rc = msg_recv_cmp (&msg, dish, "Movies", "Godfather");
assert (rc == 9);
2016-01-27 17:19:14 +01:00
rc = zmq_close (dish);
assert (rc == 0);
rc = zmq_close (radio);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}