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/*
Copyright (c) 2007-2011 iMatix Corporation
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <string.h>
#include <pthread.h>
#include "../include/zmq.h"
#include "../include/zmq_utils.h"
extern "C"
{
void *worker(void *ctx)
{
// Worker thread connects after delay of 1 second. Then it waits
// for 1 more second, so that async connect has time to succeed.
zmq_sleep (1);
void *sc = zmq_socket (ctx, ZMQ_PUSH);
assert (sc);
int rc = zmq_connect (sc, "inproc://timeout_test");
assert (rc == 0);
zmq_sleep (1);
rc = zmq_close (sc);
assert (rc == 0);
return NULL;
}
}
int main (int argc, char *argv [])
{
void *ctx = zmq_init (1);
assert (ctx);
// Create a disconnected socket.
void *sb = zmq_socket (ctx, ZMQ_PULL);
assert (sb);
int rc = zmq_bind (sb, "inproc://timeout_test");
assert (rc == 0);
// Check whether non-blocking recv returns immediately.
char buf [] = "12345678ABCDEFGH12345678abcdefgh";
rc = zmq_recv (sb, buf, 32, ZMQ_DONTWAIT);
assert (rc == -1);
assert (zmq_errno() == EAGAIN);
// Check whether recv timeout is honoured.
int timeout = 500;
size_t timeout_size = sizeof timeout;
rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
assert (rc == 0);
void *watch = zmq_stopwatch_start ();
rc = zmq_recv (sb, buf, 32, 0);
assert (rc == -1);
assert (zmq_errno () == EAGAIN);
unsigned long elapsed = zmq_stopwatch_stop (watch);
assert (elapsed > 440000 && elapsed < 550000);
// Check whether connection during the wait doesn't distort the timeout.
timeout = 2000;
rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
assert (rc == 0);
pthread_t thread;
rc = pthread_create (&thread, NULL, worker, ctx);
assert (rc == 0);
watch = zmq_stopwatch_start ();
rc = zmq_recv (sb, buf, 32, 0);
assert (rc == -1);
assert (zmq_errno () == EAGAIN);
elapsed = zmq_stopwatch_stop (watch);
assert (elapsed > 1900000 && elapsed < 2100000);
rc = pthread_join (thread, NULL);
assert (rc == 0);
// Check that timeouts don't break normal message transfer.
void *sc = zmq_socket (ctx, ZMQ_PUSH);
assert (sc);
rc = zmq_setsockopt(sb, ZMQ_RCVTIMEO, &timeout, timeout_size);
assert (rc == 0);
rc = zmq_setsockopt(sb, ZMQ_SNDTIMEO, &timeout, timeout_size);
assert (rc == 0);
rc = zmq_connect (sc, "inproc://timeout_test");
assert (rc == 0);
rc = zmq_send (sc, buf, 32, 0);
assert (rc == 32);
rc = zmq_recv (sb, buf, 32, 0);
assert (rc == 32);
// Clean-up.
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_term (ctx);
assert (rc == 0);
return 0 ;
}
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