mirror of
https://github.com/zeromq/libzmq.git
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298 lines
11 KiB
C++
298 lines
11 KiB
C++
/*
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Copyright (c) 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 <assert.h>
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include "testutil_monitoring.hpp"
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#include <unity.h>
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// test behavior with (mostly) default values
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void reconnect_default ()
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{
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// setup pub socket
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void *pub = test_context_socket (ZMQ_PUB);
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// Bind pub socket
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
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// setup sub socket
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void *sub = test_context_socket (ZMQ_SUB);
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// Monitor all events on sub
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
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// Create socket for collecting monitor events
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void *sub_mon = test_context_socket (ZMQ_PAIR);
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// Connect so they'll get events
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
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// set reconnect interval so only a single reconnect is tried
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int interval = 60 * 1000;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (sub, ZMQ_RECONNECT_IVL, &interval, sizeof (interval)));
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// connect to pub
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
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// close the pub socket
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test_context_socket_close_zero_linger (pub);
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
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// ZMQ_EVENT_CONNECT_RETRIED should be last event, because of timeout set above
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int event;
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char *event_address;
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int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
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2 * 1000);
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assert (rc == -1);
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// Close sub
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub);
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// Close monitor
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub_mon);
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}
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// test successful reconnect
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void reconnect_success ()
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{
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// setup pub socket
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void *pub = test_context_socket (ZMQ_PUB);
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// Bind pub socket
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
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// setup sub socket
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void *sub = test_context_socket (ZMQ_SUB);
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// Monitor all events on sub
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
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// Create socket for collecting monitor events
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void *sub_mon = test_context_socket (ZMQ_PAIR);
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// Connect so they'll get events
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
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// set reconnect interval so only a single reconnect is tried
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int interval = 1 * 1000;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (sub, ZMQ_RECONNECT_IVL, &interval, sizeof (interval)));
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// connect to pub
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
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// close the pub socket
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test_context_socket_close_zero_linger (pub);
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
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// ZMQ_EVENT_CONNECT_RETRIED should be last event, because of timeout set above
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int event;
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char *event_address;
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int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
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SETTLE_TIME);
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assert (rc == -1);
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// Now re-bind pub socket and wait for re-connect
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pub = test_context_socket (ZMQ_PUB);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
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msleep (SETTLE_TIME);
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
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// ZMQ_EVENT_HANDSHAKE_SUCCEEDED should be last event
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rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
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SETTLE_TIME);
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assert (rc == -1);
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// Close sub
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub);
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test_context_socket_close_zero_linger (pub);
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// Close monitor
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub_mon);
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}
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#ifdef ZMQ_BUILD_DRAFT_API
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// test stopping reconnect on connection refused
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void reconnect_stop_on_refused ()
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{
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// setup pub socket
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void *pub = test_context_socket (ZMQ_PUB);
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// Bind pub socket
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
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// setup sub socket
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void *sub = test_context_socket (ZMQ_SUB);
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// Monitor all events on sub
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
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// Create socket for collecting monitor events
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void *sub_mon = test_context_socket (ZMQ_PAIR);
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// Connect so they'll get events
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
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// set option to stop reconnecting on error
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int stopReconnectOnError = ZMQ_RECONNECT_STOP_CONN_REFUSED;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_RECONNECT_STOP,
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&stopReconnectOnError,
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sizeof (stopReconnectOnError)));
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// connect to pub
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
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// close the pub socket
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test_context_socket_close_zero_linger (pub);
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// confirm that we get following events
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expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CLOSED);
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// ZMQ_EVENT_CLOSED should be last event, because of ZMQ_RECONNECT_STOP set above
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int event = 0;
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char *event_address;
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int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
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2 * 1000);
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int limit = 0;
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while ((rc != -1) && (++limit < 1000)) {
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print_unexpected_event_stderr (event, rc, 0, -1);
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rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
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2 * 1000);
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}
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// Close sub
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub);
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// Close monitor
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub_mon);
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}
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#endif
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#ifdef ZMQ_BUILD_DRAFT_API
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// test stopping reconnect on connection refused
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void reconnect_stop_on_handshake_failed ()
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{
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char bind_address[MAX_SOCKET_STRING];
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size_t addr_length = sizeof (bind_address);
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void *dummy = test_context_socket (ZMQ_STREAM);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (dummy, "tcp://127.0.0.1:0"));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (dummy, ZMQ_LAST_ENDPOINT, bind_address, &addr_length));
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// setup sub socket
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void *sub = test_context_socket (ZMQ_SUB);
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// Monitor all events on sub
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
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// Create socket for collecting monitor events
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void *sub_mon = test_context_socket (ZMQ_PAIR);
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// Connect so they'll get events
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
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// set handshake interval (i.e., timeout) to a more reasonable value
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int handshakeInterval = 1000;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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sub, ZMQ_HANDSHAKE_IVL, &handshakeInterval, sizeof (handshakeInterval)));
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// set option to stop reconnecting on failed handshake
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int stopReconnectOnError = ZMQ_RECONNECT_STOP_HANDSHAKE_FAILED;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_RECONNECT_STOP,
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&stopReconnectOnError,
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sizeof (stopReconnectOnError)));
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// connect to dummy stream socket above
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, bind_address));
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#if 1
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// ZMQ_EVENT_DISCONNECTED should be last event, because of ZMQ_RECONNECT_STOP set above
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
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expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_FAILED_NO_DETAIL);
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expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
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#else
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print_events (sub_mon, 2 * 1000, 1000);
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#endif
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// Close sub
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub);
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test_context_socket_close_zero_linger (dummy);
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// Close monitor
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// TODO why does this use zero_linger?
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test_context_socket_close_zero_linger (sub_mon);
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}
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#endif
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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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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 (reconnect_default);
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RUN_TEST (reconnect_success);
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#ifdef ZMQ_BUILD_DRAFT_API
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RUN_TEST (reconnect_stop_on_refused);
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RUN_TEST (reconnect_stop_on_handshake_failed);
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#endif
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return UNITY_END ();
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}
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