/**
* 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.activemq.usecases;
import java.util.concurrent.TimeUnit;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicSession;
import javax.jms.TopicSubscriber;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.commons.lang.RandomStringUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertNotNull;
public class DurableSubscriptionHangTestCase {
private static final Logger LOG = LoggerFactory.getLogger(DurableSubscriptionHangTestCase.class);
final static String brokerName = "DurableSubscriptionHangTestCase";
final static String clientID = "myId";
private static final String topicName = "myTopic";
private static final String durableSubName = "mySub";
BrokerService brokerService;
@Before
public void startBroker() throws Exception {
brokerService = new BrokerService();
brokerService.setDeleteAllMessagesOnStartup(true);
brokerService.setBrokerName(brokerName);
PolicyMap policyMap = new PolicyMap();
PolicyEntry defaultEntry = new PolicyEntry();
defaultEntry.setExpireMessagesPeriod(5000);
policyMap.setDefaultEntry(defaultEntry);
brokerService.setDestinationPolicy(policyMap);
brokerService.start();
}
@After
public void brokerStop() throws Exception {
brokerService.stop();
}
@Test
public void testHanging() throws Exception
{
registerDurableSubscription();
produceExpiredAndOneNonExpiredMessages();
TimeUnit.SECONDS.sleep(10); // make sure messages are expired
Message message = collectMessagesFromDurableSubscriptionForOneMinute();
LOG.info("got message:" + message);
assertNotNull("Unable to read unexpired message", message);
}
private void produceExpiredAndOneNonExpiredMessages() throws JMSException {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
TopicConnection connection = connectionFactory.createTopicConnection();
TopicSession session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic(topicName);
MessageProducer producer = session.createProducer(topic);
producer.setTimeToLive(TimeUnit.SECONDS.toMillis(1));
for(int i=0; i<40000; i++)
{
sendRandomMessage(session, producer);
}
producer.setTimeToLive(TimeUnit.DAYS.toMillis(1));
sendRandomMessage(session, producer);
connection.close();
LOG.info("produceExpiredAndOneNonExpiredMessages done");
}
private void registerDurableSubscription() throws JMSException
{
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
TopicConnection connection = connectionFactory.createTopicConnection();
connection.setClientID(clientID);
TopicSession topicSession = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = topicSession.createTopic(topicName);
TopicSubscriber durableSubscriber = topicSession.createDurableSubscriber(topic, durableSubName);
connection.start();
durableSubscriber.close();
connection.close();
LOG.info("Durable Sub Registered");
}
private Message collectMessagesFromDurableSubscriptionForOneMinute() throws Exception
{
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
TopicConnection connection = connectionFactory.createTopicConnection();
connection.setClientID(clientID);
TopicSession topicSession = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = topicSession.createTopic(topicName);
connection.start();
TopicSubscriber subscriber = topicSession.createDurableSubscriber(topic, durableSubName);
LOG.info("About to receive messages");
Message message = subscriber.receive(120000);
subscriber.close();
connection.close();
LOG.info("collectMessagesFromDurableSubscriptionForOneMinute done");
return message;
}
private void sendRandomMessage(TopicSession session, MessageProducer producer) throws JMSException {
TextMessage textMessage = session.createTextMessage();
textMessage.setText(RandomStringUtils.random(500, "abcdefghijklmnopqrstuvwxyz"));
producer.send(textMessage);
}
}