mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-13 10:52:56 +01:00
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
|
|
Copyright (c) 2007-2013 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 *router = zmq_socket (ctx, ZMQ_ROUTER);
|
|
assert (router);
|
|
|
|
int rc = zmq_bind (router, "tcp://127.0.0.1:5560");
|
|
assert (rc == 0);
|
|
|
|
// Enable the handover flag
|
|
int handover = 1;
|
|
rc = zmq_setsockopt (router, ZMQ_ROUTER_HANDOVER, &handover, sizeof (handover));
|
|
assert (rc == 0);
|
|
|
|
// Create dealer called "X" and connect it to our router
|
|
void *dealer_one = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (dealer_one);
|
|
rc = zmq_setsockopt (dealer_one, ZMQ_IDENTITY, "X", 1);
|
|
assert (rc == 0);
|
|
rc = zmq_connect (dealer_one, "tcp://127.0.0.1:5560");
|
|
assert (rc == 0);
|
|
|
|
// Get message from dealer to know when connection is ready
|
|
char buffer [255];
|
|
rc = zmq_send (dealer_one, "Hello", 5, 0);
|
|
assert (rc == 5);
|
|
rc = zmq_recv (router, buffer, 255, 0);
|
|
assert (rc == 1);
|
|
assert (buffer [0] == 'X');
|
|
rc = zmq_recv (router, buffer, 255, 0);
|
|
assert (rc == 5);
|
|
|
|
// Now create a second dealer that uses the same identity
|
|
void *dealer_two = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (dealer_two);
|
|
rc = zmq_setsockopt (dealer_two, ZMQ_IDENTITY, "X", 1);
|
|
assert (rc == 0);
|
|
rc = zmq_connect (dealer_two, "tcp://127.0.0.1:5560");
|
|
assert (rc == 0);
|
|
|
|
// Get message from dealer to know when connection is ready
|
|
rc = zmq_send (dealer_two, "Hello", 5, 0);
|
|
assert (rc == 5);
|
|
rc = zmq_recv (router, buffer, 255, 0);
|
|
assert (rc == 1);
|
|
assert (buffer [0] == 'X');
|
|
rc = zmq_recv (router, buffer, 255, 0);
|
|
assert (rc == 5);
|
|
|
|
// Send a message to 'X' identity. This should be delivered
|
|
// to the second dealer, instead of the first beccause of the handover.
|
|
rc = zmq_send (router, "X", 1, ZMQ_SNDMORE);
|
|
assert (rc == 1);
|
|
rc = zmq_send (router, "Hello", 5, 0);
|
|
assert (rc == 5);
|
|
|
|
// Ensure that the first dealer doesn't receive the message
|
|
// but the second one does
|
|
rc = zmq_recv (dealer_one, buffer, 255, ZMQ_NOBLOCK);
|
|
assert (rc == -1);
|
|
|
|
rc = zmq_recv (dealer_two, buffer, 255, 0);
|
|
assert (rc == 5);
|
|
|
|
rc = zmq_close (router);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_close (dealer_one);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_close (dealer_two);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_ctx_term (ctx);
|
|
assert (rc == 0);
|
|
|
|
return 0 ;
|
|
}
|