mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-31 01:43:02 +08:00
25bf30bebe
Solution: during a connect with a TCP endpoint if a source address is passed set the SO_REUSEADDR flag on the socket before the bind system call. Add unit test to cover this case for both IPv4 and IPv6.
426 lines
11 KiB
C++
426 lines
11 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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void test_single_connect_ipv4 (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *sb = zmq_socket (ctx, ZMQ_REP);
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assert (sb);
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int rc = zmq_bind (sb, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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void *sc = zmq_socket (ctx, ZMQ_REQ);
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assert (sc);
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rc = zmq_connect (sc, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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bounce (sb, sc);
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rc = zmq_disconnect (sc, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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}
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void test_multi_connect_ipv4 (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *sb0 = zmq_socket (ctx, ZMQ_REP);
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assert (sb0);
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int rc = zmq_bind (sb0, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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void *sb1 = zmq_socket (ctx, ZMQ_REP);
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assert (sb1);
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rc = zmq_bind (sb1, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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void *sb2 = zmq_socket (ctx, ZMQ_REP);
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assert (sb2);
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rc = zmq_bind (sb2, "tcp://127.0.0.1:5562");
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assert (rc == 0);
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void *sc = zmq_socket (ctx, ZMQ_REQ);
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assert (sc);
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rc = zmq_connect (sc, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://127.0.0.1:5564;127.0.0.1:5562");
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assert (rc == 0);
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bounce (sb0, sc);
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bounce (sb1, sc);
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bounce (sb2, sc);
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bounce (sb0, sc);
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bounce (sb1, sc);
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bounce (sb2, sc);
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bounce (sb0, sc);
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rc = zmq_disconnect (sc, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc, "tcp://127.0.0.1:5564;127.0.0.1:5562");
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assert (rc == 0);
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rc = zmq_disconnect (sc, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb0, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb1, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb2, "tcp://127.0.0.1:5562");
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assert (rc == 0);
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb0);
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assert (rc == 0);
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rc = zmq_close (sb1);
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assert (rc == 0);
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rc = zmq_close (sb2);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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}
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void test_multi_connect_ipv4_same_port (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *sb0 = zmq_socket (ctx, ZMQ_REP);
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assert (sb0);
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int rc = zmq_bind (sb0, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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void *sb1 = zmq_socket (ctx, ZMQ_REP);
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assert (sb1);
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rc = zmq_bind (sb1, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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void *sc0 = zmq_socket (ctx, ZMQ_REQ);
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assert (sc0);
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rc = zmq_connect (sc0, "tcp://127.0.0.1:5564;127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_connect (sc0, "tcp://127.0.0.1:5565;127.0.0.1:5561");
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assert (rc == 0);
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void *sc1 = zmq_socket (ctx, ZMQ_REQ);
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assert (sc1);
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rc = zmq_connect (sc1, "tcp://127.0.0.1:5565;127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_connect (sc1, "tcp://127.0.0.1:5564;127.0.0.1:5561");
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assert (rc == 0);
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bounce (sb0, sc0);
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bounce (sb1, sc0);
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bounce (sb0, sc1);
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bounce (sb1, sc1);
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bounce (sb0, sc0);
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bounce (sb1, sc0);
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rc = zmq_disconnect (sc1, "tcp://127.0.0.1:5565;127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc1, "tcp://127.0.0.1:5564;127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_disconnect (sc0, "tcp://127.0.0.1:5564;127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc0, "tcp://127.0.0.1:5565;127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb0, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb1, "tcp://127.0.0.1:5561");
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assert (rc == 0);
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rc = zmq_close (sc0);
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assert (rc == 0);
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rc = zmq_close (sc1);
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assert (rc == 0);
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rc = zmq_close (sb0);
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assert (rc == 0);
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rc = zmq_close (sb1);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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}
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void test_single_connect_ipv6 (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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if (!is_ipv6_available ()) {
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zmq_ctx_term (ctx);
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return;
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}
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void *sb = zmq_socket (ctx, ZMQ_REP);
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assert (sb);
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int ipv6 = 1;
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int rc = zmq_setsockopt (sb, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb, "tcp://[::1]:5560");
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assert (rc == 0);
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void *sc = zmq_socket (ctx, ZMQ_REQ);
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assert (sc);
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rc = zmq_setsockopt (sc, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://[::1]:5560");
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assert (rc == 0);
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bounce (sb, sc);
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rc = zmq_disconnect (sc, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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}
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void test_multi_connect_ipv6 (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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if (!is_ipv6_available ()) {
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zmq_ctx_term (ctx);
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return;
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}
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void *sb0 = zmq_socket (ctx, ZMQ_REP);
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assert (sb0);
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int ipv6 = 1;
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int rc = zmq_setsockopt (sb0, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb0, "tcp://[::1]:5560");
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assert (rc == 0);
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void *sb1 = zmq_socket (ctx, ZMQ_REP);
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assert (sb1);
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rc = zmq_setsockopt (sb1, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb1, "tcp://[::1]:5561");
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assert (rc == 0);
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void *sb2 = zmq_socket (ctx, ZMQ_REP);
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assert (sb2);
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rc = zmq_setsockopt (sb2, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb2, "tcp://[::1]:5562");
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assert (rc == 0);
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void *sc = zmq_socket (ctx, ZMQ_REQ);
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assert (sc);
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rc = zmq_setsockopt (sc, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://[::1]:5561");
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assert (rc == 0);
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rc = zmq_connect (sc, "tcp://[::1]:5564;[::1]:5562");
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assert (rc == 0);
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bounce (sb0, sc);
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bounce (sb1, sc);
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bounce (sb2, sc);
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bounce (sb0, sc);
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bounce (sb1, sc);
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bounce (sb2, sc);
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bounce (sb0, sc);
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rc = zmq_disconnect (sc, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc, "tcp://[::1]:5564;[::1]:5562");
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assert (rc == 0);
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rc = zmq_disconnect (sc, "tcp://[::1]:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb0, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb1, "tcp://[::1]:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb2, "tcp://[::1]:5562");
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assert (rc == 0);
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb0);
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assert (rc == 0);
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rc = zmq_close (sb1);
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assert (rc == 0);
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rc = zmq_close (sb2);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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}
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void test_multi_connect_ipv6_same_port (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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if (!is_ipv6_available ()) {
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zmq_ctx_term (ctx);
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return;
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}
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void *sb0 = zmq_socket (ctx, ZMQ_REP);
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assert (sb0);
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int ipv6 = 1;
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int rc = zmq_setsockopt (sb0, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb0, "tcp://[::1]:5560");
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assert (rc == 0);
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void *sb1 = zmq_socket (ctx, ZMQ_REP);
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assert (sb1);
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rc = zmq_setsockopt (sb1, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_bind (sb1, "tcp://[::1]:5561");
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assert (rc == 0);
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void *sc0 = zmq_socket (ctx, ZMQ_REQ);
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assert (sc0);
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rc = zmq_setsockopt (sc0, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_connect (sc0, "tcp://[::1]:5564;[::1]:5560");
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assert (rc == 0);
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rc = zmq_connect (sc0, "tcp://[::1]:5565;[::1]:5561");
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assert (rc == 0);
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void *sc1 = zmq_socket (ctx, ZMQ_REQ);
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assert (sc1);
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rc = zmq_setsockopt (sc1, ZMQ_IPV6, &ipv6, sizeof (int));
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assert (rc == 0);
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rc = zmq_connect (sc1, "tcp://[::1]:5565;[::1]:5560");
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assert (rc == 0);
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rc = zmq_connect (sc1, "tcp://[::1]:5564;[::1]:5561");
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assert (rc == 0);
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bounce (sb0, sc0);
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bounce (sb1, sc0);
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bounce (sb0, sc1);
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bounce (sb1, sc1);
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bounce (sb0, sc0);
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bounce (sb1, sc0);
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rc = zmq_disconnect (sc1, "tcp://[::1]:5565;[::1]:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc1, "tcp://[::1]:5564;[::1]:5561");
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assert (rc == 0);
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rc = zmq_disconnect (sc0, "tcp://[::1]:5564;[::1]:5560");
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assert (rc == 0);
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rc = zmq_disconnect (sc0, "tcp://[::1]:5565;[::1]:5561");
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assert (rc == 0);
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rc = zmq_unbind (sb0, "tcp://[::1]:5560");
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assert (rc == 0);
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rc = zmq_unbind (sb1, "tcp://[::1]:5561");
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assert (rc == 0);
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rc = zmq_close (sc0);
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assert (rc == 0);
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rc = zmq_close (sc1);
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assert (rc == 0);
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rc = zmq_close (sb0);
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assert (rc == 0);
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rc = zmq_close (sb1);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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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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test_single_connect_ipv4 ();
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test_multi_connect_ipv4 ();
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test_multi_connect_ipv4_same_port ();
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test_single_connect_ipv6 ();
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test_multi_connect_ipv6 ();
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test_multi_connect_ipv6_same_port ();
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return 0 ;
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}
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