2014-08-08 19:36:00 +02:00
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/*
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2016-01-28 15:07:31 +01:00
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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2014-08-08 19:36:00 +02:00
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2015-06-02 22:33:55 +02:00
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This file is part of libzmq, the ZeroMQ core engine in C++.
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2014-08-08 19:36:00 +02:00
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2015-06-02 22:33:55 +02:00
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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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2014-08-08 19:36:00 +02:00
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(at your option) any later version.
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2015-06-02 22:33:55 +02:00
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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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2014-08-08 19:36:00 +02:00
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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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2018-05-22 11:12:15 +02:00
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#include "testutil_unity.hpp"
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2014-08-08 19:36:00 +02:00
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2018-05-22 11:12:15 +02:00
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void setUp ()
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2014-08-08 19:36:00 +02:00
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{
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2018-05-22 11:12:15 +02:00
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setup_test_context ();
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}
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void tearDown ()
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{
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teardown_test_context ();
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}
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2014-08-08 19:36:00 +02:00
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2018-05-22 11:12:15 +02:00
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void test ()
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{
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2014-08-08 19:36:00 +02:00
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// Create a publisher
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2019-03-08 19:19:35 +01:00
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void *pub = test_context_socket (ZMQ_XPUB);
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2015-06-05 13:19:48 +02:00
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int hwm = 2000;
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2018-05-22 11:12:15 +02:00
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (pub, ZMQ_SNDHWM, &hwm, 4));
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2015-06-05 13:19:48 +02:00
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2018-05-22 11:12:15 +02:00
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, "inproc://soname"));
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2014-08-08 19:36:00 +02:00
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// set pub socket options
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int wait = 1;
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2018-05-22 11:12:15 +02:00
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (pub, ZMQ_XPUB_NODROP, &wait, 4));
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// Create a subscriber
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void *sub = test_context_socket (ZMQ_SUB);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, "inproc://soname"));
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// Subscribe for all messages.
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_SUBSCRIBE, "", 0));
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2014-08-08 19:36:00 +02:00
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2019-03-08 19:19:35 +01:00
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// we must wait for the subscription to be processed here, otherwise some
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// or all published messages might be lost
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recv_string_expect_success (pub, "\1", 0);
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2019-03-01 12:20:26 +01:00
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2014-08-12 12:36:56 +02:00
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int hwmlimit = hwm - 1;
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2014-08-08 19:36:00 +02:00
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int send_count = 0;
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2018-02-01 11:46:09 +01:00
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2014-08-08 19:36:00 +02:00
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// Send an empty message
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for (int i = 0; i < hwmlimit; i++) {
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TEST_ASSERT_SUCCESS_ERRNO (zmq_send (pub, NULL, 0, 0));
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send_count++;
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}
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int recv_count = 0;
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do {
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// Receive the message in the subscriber
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int rc = zmq_recv (sub, NULL, 0, 0);
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if (rc == -1) {
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TEST_ASSERT_EQUAL_INT (EAGAIN, errno);
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break;
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} else {
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TEST_ASSERT_EQUAL_INT (0, rc);
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recv_count++;
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2019-03-01 12:20:26 +01:00
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if (recv_count == 1) {
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const int sub_rcvtimeo = 250;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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sub, ZMQ_RCVTIMEO, &sub_rcvtimeo, sizeof (sub_rcvtimeo)));
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}
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2014-08-12 12:36:56 +02:00
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}
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2018-05-22 11:12:15 +02:00
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} while (true);
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2014-08-08 19:36:00 +02:00
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2018-05-22 11:12:15 +02:00
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TEST_ASSERT_EQUAL_INT (send_count, recv_count);
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2018-02-01 11:46:09 +01:00
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2014-08-12 12:36:56 +02:00
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// Now test real blocking behavior
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// Set a timeout, default is infinite
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2014-08-08 19:36:00 +02:00
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int timeout = 0;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (pub, ZMQ_SNDTIMEO, &timeout, 4));
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2014-08-08 19:36:00 +02:00
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send_count = 0;
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recv_count = 0;
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hwmlimit = hwm;
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2018-02-01 11:46:09 +01:00
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2014-08-12 12:36:56 +02:00
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// Send an empty message until we get an error, which must be EAGAIN
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while (zmq_send (pub, "", 0, 0) == 0)
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send_count++;
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TEST_ASSERT_EQUAL_INT (EAGAIN, errno);
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2014-08-12 12:36:56 +02:00
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while (zmq_recv (sub, NULL, 0, ZMQ_DONTWAIT) == 0)
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recv_count++;
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TEST_ASSERT_EQUAL_INT (send_count, recv_count);
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// Clean up.
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test_context_socket_close (pub);
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test_context_socket_close (sub);
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}
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int main ()
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test);
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return UNITY_END ();
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2014-08-08 19:36:00 +02:00
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}
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