mirror of
https://github.com/zeromq/libzmq.git
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313 lines
9.0 KiB
C++
313 lines
9.0 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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const int MAX_SENDS = 10000;
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enum TestType { BIND_FIRST, CONNECT_FIRST };
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int test_defaults ()
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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int rc;
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// Set up bind socket
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void *bind_socket = zmq_socket (ctx, ZMQ_PULL);
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assert (bind_socket);
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rc = zmq_bind (bind_socket, "inproc://a");
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assert (rc == 0);
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// Set up connect socket
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void *connect_socket = zmq_socket (ctx, ZMQ_PUSH);
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assert (connect_socket);
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rc = zmq_connect (connect_socket, "inproc://a");
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assert (rc == 0);
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// Send until we block
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int send_count = 0;
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while (send_count < MAX_SENDS
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&& zmq_send (connect_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++send_count;
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msleep (SETTLE_TIME);
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// Now receive all sent messages
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int recv_count = 0;
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while (zmq_recv (bind_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++recv_count;
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assert (send_count == recv_count);
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// Clean up
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rc = zmq_close (connect_socket);
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assert (rc == 0);
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rc = zmq_close (bind_socket);
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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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return send_count;
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}
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int count_msg (int send_hwm, int recv_hwm, TestType testType)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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int rc;
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void *bind_socket;
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void *connect_socket;
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if (testType == BIND_FIRST)
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{
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// Set up bind socket
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bind_socket = zmq_socket (ctx, ZMQ_PULL);
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assert (bind_socket);
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rc = zmq_setsockopt (bind_socket, ZMQ_RCVHWM, &recv_hwm, sizeof (recv_hwm));
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assert (rc == 0);
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rc = zmq_bind (bind_socket, "inproc://a");
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assert (rc == 0);
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// Set up connect socket
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connect_socket = zmq_socket (ctx, ZMQ_PUSH);
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assert (connect_socket);
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rc = zmq_setsockopt (connect_socket, ZMQ_SNDHWM, &send_hwm, sizeof (send_hwm));
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assert (rc == 0);
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rc = zmq_connect (connect_socket, "inproc://a");
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assert (rc == 0);
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}
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else
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{
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// Set up connect socket
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connect_socket = zmq_socket (ctx, ZMQ_PUSH);
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assert (connect_socket);
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rc = zmq_setsockopt (connect_socket, ZMQ_SNDHWM, &send_hwm, sizeof (send_hwm));
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assert (rc == 0);
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rc = zmq_connect (connect_socket, "inproc://a");
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assert (rc == 0);
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// Set up bind socket
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bind_socket = zmq_socket (ctx, ZMQ_PULL);
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assert (bind_socket);
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rc = zmq_setsockopt (bind_socket, ZMQ_RCVHWM, &recv_hwm, sizeof (recv_hwm));
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assert (rc == 0);
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rc = zmq_bind (bind_socket, "inproc://a");
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assert (rc == 0);
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}
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// Send until we block
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int send_count = 0;
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while (send_count < MAX_SENDS && zmq_send (connect_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++send_count;
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// Now receive all sent messages
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int recv_count = 0;
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while (zmq_recv (bind_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++recv_count;
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assert (send_count == recv_count);
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// Now it should be possible to send one more.
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rc = zmq_send (connect_socket, NULL, 0, 0);
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assert (rc == 0);
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// Consume the remaining message.
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rc = zmq_recv (bind_socket, NULL, 0, 0);
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assert (rc == 0);
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// Clean up
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rc = zmq_close (connect_socket);
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assert (rc == 0);
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rc = zmq_close (bind_socket);
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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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return send_count;
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}
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int test_inproc_bind_first (int send_hwm, int recv_hwm)
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{
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return count_msg(send_hwm, recv_hwm, BIND_FIRST);
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}
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int test_inproc_connect_first (int send_hwm, int recv_hwm)
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{
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return count_msg(send_hwm, recv_hwm, CONNECT_FIRST);
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}
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int test_inproc_connect_and_close_first (int send_hwm, int recv_hwm)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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int rc;
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// Set up connect socket
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void *connect_socket = zmq_socket (ctx, ZMQ_PUSH);
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assert (connect_socket);
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rc = zmq_setsockopt (connect_socket, ZMQ_SNDHWM, &send_hwm, sizeof (send_hwm));
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assert (rc == 0);
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rc = zmq_connect (connect_socket, "inproc://a");
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assert (rc == 0);
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// Send until we block
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int send_count = 0;
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while (send_count < MAX_SENDS && zmq_send (connect_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++send_count;
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// Close connect
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rc = zmq_close (connect_socket);
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assert (rc == 0);
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// Set up bind socket
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void *bind_socket = zmq_socket (ctx, ZMQ_PULL);
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assert (bind_socket);
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rc = zmq_setsockopt (bind_socket, ZMQ_RCVHWM, &recv_hwm, sizeof (recv_hwm));
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assert (rc == 0);
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rc = zmq_bind (bind_socket, "inproc://a");
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assert (rc == 0);
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// Now receive all sent messages
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int recv_count = 0;
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while (zmq_recv (bind_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++recv_count;
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assert (send_count == recv_count);
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// Clean up
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rc = zmq_close (bind_socket);
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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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return send_count;
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}
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int test_inproc_bind_and_close_first (int send_hwm, int /* recv_hwm */)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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int rc;
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// Set up bind socket
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void *bind_socket = zmq_socket (ctx, ZMQ_PUSH);
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assert (bind_socket);
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rc = zmq_setsockopt (bind_socket, ZMQ_SNDHWM, &send_hwm, sizeof (send_hwm));
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assert (rc == 0);
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rc = zmq_bind (bind_socket, "inproc://a");
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assert (rc == 0);
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// Send until we block
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int send_count = 0;
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while (send_count < MAX_SENDS && zmq_send (bind_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++send_count;
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// Close bind
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rc = zmq_close (bind_socket);
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assert (rc == 0);
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/* Can't currently do connect without then wiring up a bind as things hang, this needs top be fixed.
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// Set up connect socket
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void *connect_socket = zmq_socket (ctx, ZMQ_PULL);
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assert (connect_socket);
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rc = zmq_setsockopt (connect_socket, ZMQ_RCVHWM, &recv_hwm, sizeof (recv_hwm));
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assert (rc == 0);
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rc = zmq_connect (connect_socket, "inproc://a");
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assert (rc == 0);
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// Now receive all sent messages
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int recv_count = 0;
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while (zmq_recv (connect_socket, NULL, 0, ZMQ_DONTWAIT) == 0)
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++recv_count;
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assert (send_count == recv_count);
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*/
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// Clean up
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//rc = zmq_close (connect_socket);
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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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return send_count;
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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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int count;
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// Default values are 1000 on send and 1000 one receive, so 2000 total
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count = test_defaults ();
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assert (count == 2000);
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// Infinite send and receive buffer
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count = test_inproc_bind_first (0, 0);
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assert (count == MAX_SENDS);
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count = test_inproc_connect_first (0, 0);
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assert (count == MAX_SENDS);
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// Infinite receive buffer
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count = test_inproc_bind_first (1, 0);
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assert (count == MAX_SENDS);
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count = test_inproc_connect_first (1, 0);
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assert (count == MAX_SENDS);
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// Infinite send buffer
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count = test_inproc_bind_first (0, 1);
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assert (count == MAX_SENDS);
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count = test_inproc_connect_first (0, 1);
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assert (count == MAX_SENDS);
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// Send and recv buffers hwm 1, so total that can be queued is 2
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count = test_inproc_bind_first (1, 1);
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assert (count == 2);
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count = test_inproc_connect_first (1, 1);
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assert (count == 2);
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// Send hwm of 1, send before bind so total that can be queued is 1
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count = test_inproc_connect_and_close_first (1, 0);
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assert (count == 1);
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// Send hwm of 1, send from bind side before connect so total that can be queued should be 1,
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// however currently all messages get thrown away before the connect. BUG?
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count = test_inproc_bind_and_close_first (1, 0);
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//assert (count == 1);
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return 0;
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}
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