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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.client.channelclose;
import junit.framework.JUnit4TestAdapter;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQQueue;
import org.apache.log4j.Logger;
import org.junit.After;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
import javax.jms.*;
import java.util.ArrayList;
import java.util.List;
/**
* Due to bizarre exception handling all sessions are closed if you get
* a channel close request and no exception listener is registered.
*
* JIRA issue IBTBLZ-10.
*
* Simulate by:
*
* 0. Create two sessions with no exception listener.
* 1. Publish message to queue/topic that does not exist (wrong routing key).
* 2. This will cause a channel close.
* 3. Since client does not have an exception listener, currently all sessions are
* closed.
*/
public class ChannelCloseOkTest
{
private Connection _connection;
private Destination _destination1;
private Destination _destination2;
private Session _session1;
private Session _session2;
private final List<Message> _received1 = new ArrayList<Message>();
private final List<Message> _received2 = new ArrayList<Message>();
private final static Logger _log = Logger.getLogger(ChannelCloseOkTest.class);
public String _connectionString = "vm://:1";
@Before
public void init() throws Exception
{
_connection = new AMQConnection(_connectionString, "guest", "guest", randomize("Client"), "/test_path");
_destination1 = new AMQQueue("q1", true);
_destination2 = new AMQQueue("q2", true);
_session1 = _connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
_session1.createConsumer(_destination1).setMessageListener(new MessageListener() {
public void onMessage(Message message)
{
_log.debug("consumer 1 got message [" + getTextMessage(message) + "]");
synchronized (_received1)
{
_received1.add(message);
_received1.notify();
}
}
});
_session2 = _connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
_session2.createConsumer(_destination2).setMessageListener(new MessageListener() {
public void onMessage(Message message)
{
_log.debug("consumer 2 got message [" + getTextMessage(message) + "]");
synchronized (_received2)
{
_received2.add(message);
_received2.notify();
}
}
});
_connection.start();
}
private String getTextMessage(Message message)
{
TextMessage tm = (TextMessage)message;
try
{
return tm.getText();
}
catch (JMSException e)
{
return "oops " + e;
}
}
@After
public void closeConnection() throws JMSException
{
if (_connection != null)
{
System.out.println(">>>>>>>>>>>>>>.. closing");
_connection.close();
}
}
@Test
public void testWithoutExceptionListener() throws Exception
{
test();
}
@Test
public void testWithExceptionListener() throws Exception
{
_connection.setExceptionListener(new ExceptionListener() {
public void onException(JMSException jmsException)
{
_log.error("onException - ", jmsException);
}
});
test();
}
public void test() throws Exception
{
// Check both sessions are ok.
sendAndWait(_session1, _destination1, "first", _received1, 1);
sendAndWait(_session2, _destination2, "second", _received2, 1);
assertEquals(1, _received1.size());
assertEquals(1, _received2.size());
// Now send message to incorrect destination on session 1.
Destination destination = new AMQQueue("incorrect");
send(_session1, destination, "third"); // no point waiting as message will never be received.
// Ensure both sessions are still ok.
// Send a bunch of messages as this give time for the sessions to be erroneously closed.
final int num = 300;
for (int i = 0; i < num; ++i)
{
send(_session1, _destination1, "" + i);
send(_session2, _destination2, "" + i);
}
waitFor(_received1, num + 1);
waitFor(_received2, num + 1);
// Note that the third message is never received as it is sent to an incorrect destination.
assertEquals(num + 1, _received1.size());
assertEquals(num + 1, _received2.size());
}
private void sendAndWait(Session session, Destination destination, String message, List<Message> received, int count)
throws JMSException, InterruptedException
{
send(session, destination, message);
waitFor(received, count);
}
private void send(Session session, Destination destination, String message) throws JMSException
{
_log.debug("sending message " + message);
MessageProducer producer1 = session.createProducer(destination);
producer1.send(session.createTextMessage(message));
}
private void waitFor(List<Message> received, int count) throws InterruptedException
{
synchronized (received)
{
while (received.size() < count)
{
received.wait();
}
}
}
private static String randomize(String in)
{
return in + System.currentTimeMillis();
}
/**
* For Junit 3 compatibility.
*/
public static junit.framework.Test suite()
{
return new JUnit4TestAdapter(ChannelCloseOkTest.class);
}
public static void main(String[] args)
{
org.junit.runner.JUnitCore.main(ChannelCloseOkTest.class.getName());
}
}
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