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81444136d5
ZMQ_ROUTER_NOTIFY doesn't have a context and doesn't play nice with protocols. with ZMQ_DISCONNECT_MSG we can set it to a protocol message, like DISCONNECT in majordomo. Router will send it when a peer is disconnected. Another advantage of ZMQ_DISCONNECT_MSG is that it also works on inproc. Together with ZMQ_HEARTBEAT it allows to build very reliable protocols, and much simpler as well.
119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
/*
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Copyright (c) 2007-2016 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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SETUP_TEARDOWN_TESTCONTEXT
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void test (const char *address)
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{
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// Create a server
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void *server = test_context_socket (ZMQ_SERVER);
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// set server socket options
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (server, ZMQ_DISCONNECT_MSG, "D", 1));
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// bind server
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (server, address));
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// Create a client
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void *client = test_context_socket (ZMQ_CLIENT);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (client, ZMQ_HELLO_MSG, "H", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (client, address));
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// Receive the hello message from client
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recv_string_expect_success (server, "H", 0);
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// Kill the client
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test_context_socket_close (client);
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// Receive the disconnect message
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recv_string_expect_success (server, "D", 0);
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// Clean up.
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test_context_socket_close (server);
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}
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void test_tcp ()
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{
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test ("tcp://127.0.0.1:5569");
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}
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void test_inproc ()
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{
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test ("inproc://disconnect-msg");
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}
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void test_inproc_disconnect ()
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{
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const char *address = "inproc://disconnect-msg";
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// Create a server
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void *server = test_context_socket (ZMQ_SERVER);
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// set server socket options
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (server, ZMQ_DISCONNECT_MSG, "D", 1));
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// bind server
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (server, address));
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// Create a client
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void *client = test_context_socket (ZMQ_CLIENT);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (client, ZMQ_HELLO_MSG, "H", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (client, address));
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// Receive the hello message from client
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recv_string_expect_success (server, "H", 0);
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// disconnect the client
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TEST_ASSERT_SUCCESS_ERRNO (zmq_disconnect (client, address));
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// Receive the disconnect message
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recv_string_expect_success (server, "D", 0);
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// Clean up.
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test_context_socket_close (client);
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test_context_socket_close (server);
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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_tcp);
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RUN_TEST (test_inproc);
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RUN_TEST (test_inproc_disconnect);
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return UNITY_END ();
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}
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