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/*
*
* 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 javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.naming.NamingException;
import org.apache.qpid.AMQConnectionClosedException;
import org.apache.qpid.AMQDisconnectedException;
import org.apache.qpid.client.AMQConnection;
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();
private Session _session;
@Override
protected void setUp() throws Exception
{
super.setUp();
_connection = getConnection();
_session = _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;
}
}
private class Listener implements MessageListener
{
int _messageCount;
@Override
public synchronized void onMessage(Message message)
{
_messageCount++;
}
public synchronized int getCount()
{
return _messageCount;
}
}
public void testNoDeliveryAfterBrokerClose() throws JMSException, NamingException, InterruptedException
{
Listener listener = new Listener();
Session session = _connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageConsumer consumer1 = session.createConsumer(getTestQueue());
consumer1.setMessageListener(listener);
MessageProducer producer = _session.createProducer(getTestQueue());
producer.send(_session.createTextMessage("test message"));
_connection.start();
synchronized (listener)
{
long currentTime = System.currentTimeMillis();
long until = currentTime + 2000l;
while(listener.getCount() == 0 && currentTime < until)
{
listener.wait(until - currentTime);
currentTime = System.currentTimeMillis();
}
}
assertEquals(1, listener.getCount());
Connection connection2 = getConnection();
Session session2 = connection2.createSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageConsumer consumer2 = session2.createConsumer(getTestQueue());
consumer2.setMessageListener(listener);
connection2.start();
Connection connection3 = getConnection();
Session session3 = connection3.createSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageConsumer consumer3 = session3.createConsumer(getTestQueue());
consumer3.setMessageListener(listener);
connection3.start();
assertEquals(1, listener.getCount());
stopBroker();
assertEquals(1, listener.getCount());
}
}
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