libzmq/tests/test_diffserv.cpp
2014-01-02 12:00:57 +01:00

71 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)
{
int rc;
int tos = 0x28;
int o_tos;
size_t tos_size = sizeof(tos);
setup_test_environment();
void *ctx = zmq_ctx_new ();
assert (ctx);
void *sb = zmq_socket (ctx, ZMQ_PAIR);
assert (sb);
rc = zmq_setsockopt (sb, ZMQ_TOS, &tos, tos_size);
assert (rc == 0);
rc = zmq_bind (sb, "tcp://127.0.0.1:5560");
assert (rc == 0);
rc = zmq_getsockopt (sb, ZMQ_TOS, &o_tos, &tos_size);
assert (rc == 0);
assert (o_tos == tos);
void *sc = zmq_socket (ctx, ZMQ_PAIR);
assert (sc);
tos = 0x58;
rc = zmq_setsockopt (sc, ZMQ_TOS, &tos, tos_size);
assert (rc == 0);
rc = zmq_connect (sc, "tcp://127.0.0.1:5560");
assert (rc == 0);
rc = zmq_getsockopt (sc, ZMQ_TOS, &o_tos, &tos_size);
assert (rc == 0);
assert (o_tos == tos);
// Wireshark can be used to verify that the server socket is
// using DSCP 0x28 in packets to the client while the client
// is using 0x58 in packets to the server.
bounce (sb, sc);
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}