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-rw-r--r--tests/test_issue_566.cpp85
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diff --git a/tests/test_issue_566.cpp b/tests/test_issue_566.cpp
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--- a/tests/test_issue_566.cpp
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-/*
- Copyright (c) 2007-2013 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 "testutil.hpp"
-
-// Issue 566 describes a problem in libzmq v4.0.0 where a dealer to router
-// connection would fail randomly. The test works when the two sockets are
-// on the same context, and failed when they were on separate contexts.
-// Fixed by https://github.com/zeromq/libzmq/commit/be25cf.
-
-int main (void)
-{
- setup_test_environment();
-
- void *ctx1 = zmq_ctx_new ();
- assert (ctx1);
-
- void *ctx2 = zmq_ctx_new ();
- assert (ctx2);
-
- void *router = zmq_socket (ctx1, ZMQ_ROUTER);
- int on = 1;
- int rc = zmq_setsockopt (router, ZMQ_ROUTER_MANDATORY, &on, sizeof (on));
- assert (rc == 0);
- rc = zmq_bind (router, "tcp://127.0.0.1:5555");
- assert (rc != -1);
-
- // Repeat often enough to be sure this works as it should
- for (int cycle = 0; cycle < 100; cycle++) {
- // Create dealer with unique explicit identity
- // We assume the router learns this out-of-band
- void *dealer = zmq_socket (ctx2, ZMQ_DEALER);
- char identity [10];
- sprintf (identity, "%09d", cycle);
- rc = zmq_setsockopt (dealer, ZMQ_IDENTITY, identity, 10);
- assert (rc == 0);
- int rcvtimeo = 1000;
- rc = zmq_setsockopt (dealer, ZMQ_RCVTIMEO, &rcvtimeo, sizeof (int));
- assert (rc == 0);
- rc = zmq_connect (dealer, "tcp://127.0.0.1:5555");
- assert (rc == 0);
-
- // Router will try to send to dealer, at short intervals.
- // It typically takes 2-5 msec for the connection to establish
- // on a loopback interface, but we'll allow up to one second
- // before failing the test (e.g. for running on a debugger or
- // a very slow system).
- for (int attempt = 0; attempt < 500; attempt++) {
- zmq_poll (0, 0, 2);
- rc = zmq_send (router, identity, 10, ZMQ_SNDMORE);
- if (rc == -1 && errno == EHOSTUNREACH)
- continue;
- assert (rc == 10);
- rc = zmq_send (router, "HELLO", 5, 0);
- assert (rc == 5);
- break;
- }
- uint8_t buffer [5];
- rc = zmq_recv (dealer, buffer, 5, 0);
- assert (rc == 5);
- assert (memcmp (buffer, "HELLO", 5) == 0);
- close_zero_linger (dealer);
- }
- zmq_close (router);
- zmq_ctx_destroy (ctx1);
- zmq_ctx_destroy (ctx2);
-
- return 0;
-}