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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.server.persistent;
import java.util.ArrayList;
import java.util.List;
import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicSubscriber;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
/**
* Verifies that after recovery, a new Connection with no-local in use is
* able to receive messages sent prior to the broker restart.
*/
public class NoLocalAfterRecoveryTest extends QpidBrokerTestCase
{
protected final String MY_TOPIC_SUBSCRIPTION_NAME = getTestQueueName();
protected static final int SEND_COUNT = 10;
public void testNoLocalNotQueued() throws Exception
{
if(!isBrokerStorePersistent())
{
fail("This test requires a broker with a persistent store");
}
Connection connection = getConnection();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
Topic topic = session.createTopic(MY_TOPIC_SUBSCRIPTION_NAME);
TopicSubscriber noLocalSubscriber = session.
createDurableSubscriber(topic, MY_TOPIC_SUBSCRIPTION_NAME + "-NoLocal",
null, true);
TopicSubscriber normalSubscriber = session.
createDurableSubscriber(topic, MY_TOPIC_SUBSCRIPTION_NAME + "-Normal",
null, false);
sendMessage(session, topic, SEND_COUNT);
// Check messages can be received as expected.
connection.start();
//As the no-local subscriber was on the same connection the messages were
//published on, tit will receive no messages as they will be discarded on the broker
List<Message> received = receiveMessage(noLocalSubscriber, SEND_COUNT);
assertEquals("No Local Subscriber Received messages", 0, received.size());
received = receiveMessage(normalSubscriber, SEND_COUNT);
assertEquals("Normal Subscriber Received no messages",
SEND_COUNT, received.size());
session.commit();
normalSubscriber.close();
connection.close();
//Ensure the no-local subscribers messages were discarded by restarting the broker
//and reconnecting to the subscription to ensure they were not recovered.
restartBroker();
Connection connection2 = getConnection();
connection2.start();
Session session2 = connection2.createSession(true, Session.SESSION_TRANSACTED);
Topic topic2 = session2.createTopic(MY_TOPIC_SUBSCRIPTION_NAME);
TopicSubscriber noLocalSubscriber2 = session2.
createDurableSubscriber(topic2, MY_TOPIC_SUBSCRIPTION_NAME + "-NoLocal",
null, true);
// The NO-local subscriber should not get any messages
received = receiveMessage(noLocalSubscriber2, SEND_COUNT);
session2.commit();
assertEquals("No Local Subscriber Received messages", 0, received.size());
noLocalSubscriber2.close();
}
public void testNonNoLocalQueued() throws Exception
{
if(!isBrokerStorePersistent())
{
fail("This test requires a broker with a persistent store");
}
Connection connection = getConnection();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
Topic topic = session.createTopic(MY_TOPIC_SUBSCRIPTION_NAME);
TopicSubscriber noLocalSubscriber =
session.createDurableSubscriber(topic, MY_TOPIC_SUBSCRIPTION_NAME + "-NoLocal", null, true);
sendMessage(session, topic, SEND_COUNT);
// Check messages can be received as expected.
connection.start();
List<Message> received = receiveMessage(noLocalSubscriber, SEND_COUNT);
assertEquals("No Local Subscriber Received messages", 0, received.size());
session.commit();
Connection connection3 = getConnection();
Session session3 = connection3.createSession(true, Session.SESSION_TRANSACTED);
sendMessage(session3, topic, SEND_COUNT);
connection.close();
//We didn't receive the messages on the durable queue for the no-local subscriber
//so they are still on the broker. Restart the broker, prompting their recovery.
restartBroker();
Connection connection2 = getConnection();
connection2.start();
Session session2 = connection2.createSession(true, Session.SESSION_TRANSACTED);
Topic topic2 = session2.createTopic(MY_TOPIC_SUBSCRIPTION_NAME);
TopicSubscriber noLocalSubscriber2 =
session2.createDurableSubscriber(topic2, MY_TOPIC_SUBSCRIPTION_NAME + "-NoLocal",null, true);
// The NO-local subscriber should receive messages sent from connection3
received = receiveMessage(noLocalSubscriber2, SEND_COUNT);
session2.commit();
assertEquals("No Local Subscriber did not receive expected messages", SEND_COUNT, received.size());
noLocalSubscriber2.close();
}
protected List<Message> receiveMessage(MessageConsumer messageConsumer,
int count) throws JMSException
{
List<Message> receivedMessages = new ArrayList<Message>(count);
for (int i = 0; i < count; i++)
{
Message received = messageConsumer.receive(1000);
if (received != null)
{
receivedMessages.add(received);
}
else
{
break;
}
}
return receivedMessages;
}
}
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