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https://github.com/zeromq/libzmq.git
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5b60540ed0
- used msleep (10) in most places instead of zmq_sleep (1) - may cause failures on slower machines - to change, modify SETTLE_TIME in testutil.h - tested down to 1 msec on fast boxes
100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/*
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Copyright (c) 2010-2011 250bpm s.r.o.
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Copyright (c) 2011 iMatix Corporation
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Copyright (c) 2010-2011 Other 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 "../include/zmq.h"
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#include "../include/zmq_utils.h"
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#include <stdio.h>
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#undef NDEBUG
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#include <assert.h>
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int main (void)
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{
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fprintf (stderr, "test_sub_forward running...\n");
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void *ctx = zmq_init (1);
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assert (ctx);
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// First, create an intermediate device.
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void *xpub = zmq_socket (ctx, ZMQ_XPUB);
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assert (xpub);
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int rc = zmq_bind (xpub, "tipc://{5560,0,0}");
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assert (rc == 0);
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void *xsub = zmq_socket (ctx, ZMQ_XSUB);
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assert (xsub);
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rc = zmq_bind (xsub, "tipc://{5561,0,0}");
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assert (rc == 0);
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// Create a publisher.
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void *pub = zmq_socket (ctx, ZMQ_PUB);
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assert (pub);
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rc = zmq_connect (pub, "tipc://{5561,0}");
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assert (rc == 0);
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// Create a subscriber.
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void *sub = zmq_socket (ctx, ZMQ_SUB);
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assert (sub);
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rc = zmq_connect (sub, "tipc://{5560,0}");
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assert (rc == 0);
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// Subscribe for all messages.
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rc = zmq_setsockopt (sub, ZMQ_SUBSCRIBE, "", 0);
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assert (rc == 0);
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// Pass the subscription upstream through the device.
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char buff [32];
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rc = zmq_recv (xpub, buff, sizeof (buff), 0);
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assert (rc >= 0);
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rc = zmq_send (xsub, buff, rc, 0);
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assert (rc >= 0);
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// Wait a bit till the subscription gets to the publisher.
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msleep (SETTLE_TIME);
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// Send an empty message.
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rc = zmq_send (pub, NULL, 0, 0);
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assert (rc == 0);
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// Pass the message downstream through the device.
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rc = zmq_recv (xsub, buff, sizeof (buff), 0);
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assert (rc >= 0);
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rc = zmq_send (xpub, buff, rc, 0);
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assert (rc >= 0);
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// Receive the message in the subscriber.
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rc = zmq_recv (sub, buff, sizeof (buff), 0);
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assert (rc == 0);
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// Clean up.
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rc = zmq_close (xpub);
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assert (rc == 0);
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rc = zmq_close (xsub);
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assert (rc == 0);
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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_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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