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128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq 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 (LGPL) as published
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by 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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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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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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// Create the infrastructure
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *sb = zmq_socket (ctx, ZMQ_ROUTER);
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assert (sb);
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int rc = zmq_bind (sb, "inproc://a");
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assert (rc == 0);
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void *sc = zmq_socket (ctx, ZMQ_DEALER);
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assert (sc);
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rc = zmq_connect (sc, "inproc://a");
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assert (rc == 0);
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// Send 2-part message.
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rc = zmq_send (sc, "A", 1, ZMQ_SNDMORE);
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assert (rc == 1);
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rc = zmq_send (sc, "B", 1, 0);
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assert (rc == 1);
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// Identity comes first.
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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, sb, 0);
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assert (rc >= 0);
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int more = zmq_msg_more (&msg);
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assert (more == 1);
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// Then the first part of the message body.
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rc = zmq_msg_recv (&msg, sb, 0);
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assert (rc == 1);
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more = zmq_msg_more (&msg);
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assert (more == 1);
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// And finally, the second part of the message body.
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rc = zmq_msg_recv (&msg, sb, 0);
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assert (rc == 1);
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more = zmq_msg_more (&msg);
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assert (more == 0);
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// Test ZMQ_SHARED property (case 1, refcounted messages)
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zmq_msg_t msg_a;
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rc = zmq_msg_init_size(&msg_a, 1024); // large enough to be a type_lmsg
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assert (rc == 0);
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// Message is not shared
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rc = zmq_msg_get(&msg_a, ZMQ_SHARED);
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assert (rc == 0);
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zmq_msg_t msg_b;
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rc = zmq_msg_init(&msg_b);
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assert (rc == 0);
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rc = zmq_msg_copy(&msg_b, &msg_a);
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assert (rc == 0);
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// Message is now shared
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rc = zmq_msg_get(&msg_b, ZMQ_SHARED);
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assert (rc == 1);
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// cleanup
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rc = zmq_msg_close(&msg_a);
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assert (rc == 0);
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rc = zmq_msg_close(&msg_b);
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assert (rc == 0);
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// Test ZMQ_SHARED property (case 2, constant data messages)
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rc = zmq_msg_init_data(&msg_a, (void*) "TEST", 5, 0, 0);
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assert (rc == 0);
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// Message reports as shared
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rc = zmq_msg_get(&msg_a, ZMQ_SHARED);
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assert (rc == 1);
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// cleanup
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rc = zmq_msg_close(&msg_a);
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assert (rc == 0);
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// Deallocate the infrastructure.
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb);
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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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