mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-13 02:42:58 +01:00
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
/*
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Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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int main (void)
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{
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setup_test_environment();
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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// Create a req/rep device.
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void *dealer = zmq_socket (ctx, ZMQ_DEALER);
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assert (dealer);
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int rc = zmq_bind (dealer, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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void *router = zmq_socket (ctx, ZMQ_ROUTER);
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assert (router);
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rc = zmq_bind (router, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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// Create a worker.
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void *rep = zmq_socket (ctx, ZMQ_REP);
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assert (rep);
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rc = zmq_connect (rep, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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// Create a client.
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void *req = zmq_socket (ctx, ZMQ_REQ);
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assert (req);
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rc = zmq_connect (req, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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// Send a request.
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rc = zmq_send (req, "ABC", 3, ZMQ_SNDMORE);
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assert (rc == 3);
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rc = zmq_send (req, "DEF", 3, 0);
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assert (rc == 3);
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// Pass the request through the device.
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for (int i = 0; i != 4; i++) {
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zmq_msg_t msg;
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rc = zmq_msg_init (&msg);
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assert (rc == 0);
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rc = zmq_msg_recv (&msg, router, 0);
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assert (rc >= 0);
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int rcvmore;
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size_t sz = sizeof (rcvmore);
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rc = zmq_getsockopt (router, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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rc = zmq_msg_send (&msg, dealer, rcvmore? ZMQ_SNDMORE: 0);
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assert (rc >= 0);
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}
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// Receive the request.
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char buff [3];
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rc = zmq_recv (rep, buff, 3, 0);
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assert (rc == 3);
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assert (memcmp (buff, "ABC", 3) == 0);
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int rcvmore;
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size_t sz = sizeof (rcvmore);
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rc = zmq_getsockopt (rep, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (rep, buff, 3, 0);
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assert (rc == 3);
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assert (memcmp (buff, "DEF", 3) == 0);
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rc = zmq_getsockopt (rep, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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// Send the reply.
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rc = zmq_send (rep, "GHI", 3, ZMQ_SNDMORE);
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assert (rc == 3);
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rc = zmq_send (rep, "JKL", 3, 0);
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assert (rc == 3);
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// Pass the reply through the device.
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for (int i = 0; i != 4; i++) {
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zmq_msg_t msg;
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rc = zmq_msg_init (&msg);
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assert (rc == 0);
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rc = zmq_msg_recv (&msg, dealer, 0);
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assert (rc >= 0);
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int rcvmore;
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rc = zmq_getsockopt (dealer, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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rc = zmq_msg_send (&msg, router, rcvmore? ZMQ_SNDMORE: 0);
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assert (rc >= 0);
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}
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// Receive the reply.
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rc = zmq_recv (req, buff, 3, 0);
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assert (rc == 3);
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assert (memcmp (buff, "GHI", 3) == 0);
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rc = zmq_getsockopt (req, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (req, buff, 3, 0);
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assert (rc == 3);
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assert (memcmp (buff, "JKL", 3) == 0);
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rc = zmq_getsockopt (req, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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// Clean up.
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rc = zmq_close (req);
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assert (rc == 0);
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rc = zmq_close (rep);
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assert (rc == 0);
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rc = zmq_close (router);
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assert (rc == 0);
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rc = zmq_close (dealer);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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