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https://github.com/zeromq/libzmq.git
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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
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/*
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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 publisher
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void *pub = zmq_socket (ctx, ZMQ_XPUB);
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assert (pub);
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int rc = zmq_bind (pub, "inproc://soname");
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assert (rc == 0);
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// set pub socket options
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int manual = 1;
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rc = zmq_setsockopt(pub, ZMQ_XPUB_MANUAL, &manual, 4);
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assert (rc == 0);
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// Create a subscriber
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void *sub = zmq_socket (ctx, ZMQ_XSUB);
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assert (sub);
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rc = zmq_connect (sub, "inproc://soname");
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assert (rc == 0);
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// Subscribe for A
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char subscription[2] = { 1, 'A'};
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rc = zmq_send_const(sub, subscription, 2, 0);
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assert (rc == 2);
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char buffer[2];
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// Receive subscriptions from subscriber
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rc = zmq_recv(pub, buffer, 2, 0);
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assert(rc == 2);
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assert(buffer[0] == 1);
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assert(buffer[1] == 'A');
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// Subscribe socket for B instead
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rc = zmq_setsockopt(pub, ZMQ_SUBSCRIBE, "B", 1);
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assert(rc == 0);
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// Sending A message and B Message
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rc = zmq_send_const(pub, "A", 1, 0);
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assert(rc == 1);
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rc = zmq_send_const(pub, "B", 1, 0);
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assert(rc == 1);
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rc = zmq_recv(sub, buffer, 1, ZMQ_DONTWAIT);
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assert(rc == 1);
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assert(buffer[0] == 'B');
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// Clean up.
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rc = zmq_close (pub);
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assert (rc == 0);
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rc = zmq_close (sub);
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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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