libzmq/tests/test_client_server.cpp

/*
    Copyright (c) 2007-2015 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)
{
    setup_test_environment();
    void *ctx = zmq_ctx_new ();
    assert (ctx);

    void *server = zmq_socket (ctx, ZMQ_SERVER);
    void *client = zmq_socket (ctx, ZMQ_CLIENT);

    int rc;

    rc = zmq_bind (server, "tcp://127.0.0.1:5560");
    assert (rc == 0);

    rc = zmq_connect (client, "tcp://127.0.0.1:5560");
    assert (rc == 0);

    zmq_msg_t msg;
    rc = zmq_msg_init_size(&msg,1);
    assert (rc == 0);

    char * data = (char *)zmq_msg_data(&msg);
    data[0] = 1;

    rc = zmq_msg_send(&msg, client, 0);
    assert (rc == 1);

    rc = zmq_msg_recv(&msg, server, 0);
    assert (rc == 1);    

    uint32_t routing_id = zmq_msg_get_routing_id(&msg);
    assert(routing_id != 0);

    rc = zmq_msg_close(&msg);
    assert (rc == 0);

    rc = zmq_msg_init_size (&msg, 1);
    assert (rc == 0);    

    data = (char *)zmq_msg_data(&msg);
    data[0] = 2;

    rc = zmq_msg_set_routing_id(&msg, routing_id);
    assert (rc == 0);    

    rc = zmq_msg_send(&msg, server, 0);
    assert (rc == 1);

    rc = zmq_msg_recv(&msg, client, 0);
    assert (rc == 1);

    rc = zmq_close (server);
    assert (rc == 0);

    rc = zmq_close (client);
    assert (rc == 0);

    rc = zmq_ctx_term (ctx);
    assert (rc == 0);

    return 0 ;
}