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113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
/*
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Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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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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(at your option) any later version.
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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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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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#include "testutil_unity.hpp"
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#include <unity.h>
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void setUp ()
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{
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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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void test_x ()
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{
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size_t len = MAX_SOCKET_STRING;
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char my_endpoint[MAX_SOCKET_STRING];
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void *router = test_context_socket (ZMQ_ROUTER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, "tcp://127.0.0.1:*"));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_LAST_ENDPOINT, my_endpoint, &len));
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// Enable the handover flag
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int handover = 1;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_HANDOVER,
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&handover, sizeof (handover)));
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// Create dealer called "X" and connect it to our router
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void *dealer_one = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_one, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_one, my_endpoint));
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// Get message from dealer to know when connection is ready
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char buffer[255];
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send_string_expect_success (dealer_one, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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recv_string_expect_success (router, "Hello", 0);
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// Now create a second dealer that uses the same routing id
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void *dealer_two = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_two, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_two, my_endpoint));
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// Get message from dealer to know when connection is ready
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send_string_expect_success (dealer_two, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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recv_string_expect_success (router, "Hello", 0);
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// Send a message to 'X' routing id. This should be delivered
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// to the second dealer, instead of the first beccause of the handover.
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send_string_expect_success (router, "X", ZMQ_SNDMORE);
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send_string_expect_success (router, "Hello", 0);
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// Ensure that the first dealer doesn't receive the message
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// but the second one does
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int rc = zmq_recv (dealer_one, buffer, 255, ZMQ_NOBLOCK);
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TEST_ASSERT_EQUAL_INT (-1, rc);
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TEST_ASSERT_EQUAL_INT (EAGAIN, errno);
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recv_string_expect_success (dealer_two, "Hello", 0);
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test_context_socket_close (router);
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test_context_socket_close (dealer_one);
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test_context_socket_close (dealer_two);
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_x);
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return UNITY_END ();
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}
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