mirror of
https://github.com/zeromq/libzmq.git
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117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/*
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Copyright (c) 2009-2011 250bpm s.r.o.
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Copyright (c) 2007-2011 iMatix Corporation
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Copyright (c) 2007-2011 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 <assert.h>
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#include <string.h>
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#include <pthread.h>
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#include "../include/zmq.h"
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#include "../include/zmq_utils.h"
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extern "C"
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{
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void *worker(void *ctx)
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{
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// Worker thread connects after delay of 1 second. Then it waits
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// for 1 more second, so that async connect has time to succeed.
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zmq_sleep (1);
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void *sc = zmq_socket (ctx, ZMQ_PUSH);
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assert (sc);
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int rc = zmq_connect (sc, "inproc://timeout_test");
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assert (rc == 0);
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zmq_sleep (1);
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rc = zmq_close (sc);
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assert (rc == 0);
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return NULL;
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}
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}
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int main (int argc, char *argv [])
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{
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void *ctx = zmq_init (1);
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assert (ctx);
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// Create a disconnected socket.
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void *sb = zmq_socket (ctx, ZMQ_PULL);
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assert (sb);
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int rc = zmq_bind (sb, "inproc://timeout_test");
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assert (rc == 0);
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// Check whether non-blocking recv returns immediately.
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char buf [] = "12345678ABCDEFGH12345678abcdefgh";
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rc = zmq_recv (sb, buf, 32, ZMQ_DONTWAIT);
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assert (rc == -1);
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assert (zmq_errno() == EAGAIN);
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// Check whether recv timeout is honoured.
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int timeout = 500;
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size_t timeout_size = sizeof timeout;
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rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
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assert (rc == 0);
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void *watch = zmq_stopwatch_start ();
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rc = zmq_recv (sb, buf, 32, 0);
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assert (rc == -1);
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assert (zmq_errno () == EAGAIN);
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unsigned long elapsed = zmq_stopwatch_stop (watch);
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assert (elapsed > 440000 && elapsed < 550000);
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// Check whether connection during the wait doesn't distort the timeout.
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timeout = 2000;
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rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
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assert (rc == 0);
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pthread_t thread;
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rc = pthread_create (&thread, NULL, worker, ctx);
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assert (rc == 0);
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watch = zmq_stopwatch_start ();
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rc = zmq_recv (sb, buf, 32, 0);
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assert (rc == -1);
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assert (zmq_errno () == EAGAIN);
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elapsed = zmq_stopwatch_stop (watch);
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assert (elapsed > 1900000 && elapsed < 2100000);
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rc = pthread_join (thread, NULL);
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assert (rc == 0);
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// Check that timeouts don't break normal message transfer.
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void *sc = zmq_socket (ctx, ZMQ_PUSH);
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assert (sc);
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rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
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assert (rc == 0);
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rc = zmq_setsockopt(sb, ZMQ_SNDTIMEO, &timeout, timeout_size);
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assert (rc == 0);
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rc = zmq_connect (sc, "inproc://timeout_test");
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assert (rc == 0);
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rc = zmq_send (sc, buf, 32, 0);
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assert (rc == 32);
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rc = zmq_recv (sb, buf, 32, 0);
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assert (rc == 32);
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// Clean-up.
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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_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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