1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.test.unit.client.connection;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.qpid.AMQConnectionClosedException;
import org.apache.qpid.AMQDisconnectedException;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.management.jmx.ManagedConnectionMBeanTest;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
import org.apache.qpid.transport.ConnectionException;
import javax.jms.Connection;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Session;
/**
* Tests the behaviour of the client when the Broker terminates client connection
* by the Broker being shutdown gracefully or otherwise.
*
* @see ManagedConnectionMBeanTest
*/
public class BrokerClosesClientConnectionTest extends QpidBrokerTestCase
{
private Connection _connection;
private boolean _isExternalBroker;
private final RecordingExceptionListener _recordingExceptionListener = new RecordingExceptionListener();
@Override
protected void setUp() throws Exception
{
super.setUp();
_connection = getConnection();
_connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
_connection.setExceptionListener(_recordingExceptionListener);
_isExternalBroker = isExternalBroker();
}
public void testClientCloseOnNormalBrokerShutdown() throws Exception
{
final Class<? extends Exception> expectedLinkedException = isBroker010() ? ConnectionException.class : AMQConnectionClosedException.class;
assertConnectionOpen();
stopBroker();
JMSException exception = _recordingExceptionListener.awaitException(10000);
assertConnectionCloseWasReported(exception, expectedLinkedException);
assertConnectionClosed();
ensureCanCloseWithoutException();
}
public void testClientCloseOnBrokerKill() throws Exception
{
final Class<? extends Exception> expectedLinkedException = isBroker010() ? ConnectionException.class : AMQDisconnectedException.class;
if (!_isExternalBroker)
{
return;
}
assertConnectionOpen();
killBroker();
JMSException exception = _recordingExceptionListener.awaitException(10000);
assertConnectionCloseWasReported(exception, expectedLinkedException);
assertConnectionClosed();
ensureCanCloseWithoutException();
}
private void ensureCanCloseWithoutException()
{
try
{
_connection.close();
}
catch (JMSException e)
{
fail("Connection should close without exception" + e.getMessage());
}
}
private void assertConnectionCloseWasReported(JMSException exception, Class<? extends Exception> linkedExceptionClass)
{
assertNotNull("Broker shutdown should be reported to the client via the ExceptionListener", exception);
assertNotNull("JMXException should have linked exception", exception.getLinkedException());
assertEquals("Unexpected linked exception", linkedExceptionClass, exception.getLinkedException().getClass());
}
private void assertConnectionClosed()
{
assertTrue("Connection should be marked as closed", ((AMQConnection)_connection).isClosed());
}
private void assertConnectionOpen()
{
assertFalse("Connection should not be marked as closed", ((AMQConnection)_connection).isClosed());
}
private final class RecordingExceptionListener implements ExceptionListener
{
private final CountDownLatch _exceptionReceivedLatch = new CountDownLatch(1);
private volatile JMSException _exception;
@Override
public void onException(JMSException exception)
{
_exception = exception;
}
public JMSException awaitException(long timeoutInMillis) throws InterruptedException
{
_exceptionReceivedLatch.await(timeoutInMillis, TimeUnit.MILLISECONDS);
return _exception;
}
}
}
|
