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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.activemq.bugs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.usage.MemoryUsage;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AMQ6387Test {
private static final Logger LOG = LoggerFactory.getLogger(AMQ6387Test.class);
private final String QUEUE_NAME = "testQueue";
private final String TOPIC_NAME = "testTopic";
private final String SUBSCRIPTION_NAME = "subscriberId";
private final String CLIENT_ID = "client1";
private final int MSG_COUNT = 150;
private ActiveMQConnectionFactory connectionFactory;
private BrokerService brokerService;
@Rule
public TestName testName = new TestName();
@Before
public void setUp() throws Exception {
LOG.info("=============== Starting test: {} ====================", testName.getMethodName());
brokerService = new BrokerService();
brokerService.setAdvisorySupport(false);
brokerService.setPersistent(false);
brokerService.setUseJmx(true);
brokerService.setKeepDurableSubsActive(false);
brokerService.start();
connectionFactory = new ActiveMQConnectionFactory(brokerService.getVmConnectorURI());
}
@After
public void tearDown() throws Exception {
brokerService.stop();
LOG.info("=============== Finished test: {} ====================", testName.getMethodName());
}
@Test
public void testQueueMessagesKeptAfterDelivery() throws Exception {
createDurableSubscription();
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
sendBytesMessage(Queue.class);
logBrokerMemoryUsage(Queue.class);
assertEquals(0, brokerService.getAdminView().getQueueSubscribers().length);
receiveMessages(Queue.class);
assertEquals(0, brokerService.getAdminView().getQueueSubscribers().length);
logBrokerMemoryUsage(Queue.class);
assertEquals(0, getCurrentMemoryUsage(Queue.class));
}
@Test
public void testQueueMessagesKeptAfterPurge() throws Exception {
createDurableSubscription();
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
sendBytesMessage(Queue.class);
logBrokerMemoryUsage(Queue.class);
assertEquals(0, brokerService.getAdminView().getQueueSubscribers().length);
getProxyToQueue(QUEUE_NAME).purge();
assertEquals(0, brokerService.getAdminView().getQueueSubscribers().length);
logBrokerMemoryUsage(Queue.class);
assertEquals(0, getCurrentMemoryUsage(Queue.class));
}
@Test
public void testDurableTopicSubscriptionMessagesKeptAfterDelivery() throws Exception {
createDurableSubscription();
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
sendBytesMessage(Topic.class);
logBrokerMemoryUsage(Topic.class);
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
receiveMessages(Topic.class);
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
logBrokerMemoryUsage(Topic.class);
assertEquals(0, getCurrentMemoryUsage(Topic.class));
}
@Test
public void testDurableTopicSubscriptionMessagesKeptAfterUnsubscribe() throws Exception {
createDurableSubscription();
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
sendBytesMessage(Topic.class);
logBrokerMemoryUsage(Topic.class);
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(1, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
unsubscribeDurableSubscription();
assertEquals(0, brokerService.getAdminView().getDurableTopicSubscribers().length);
assertEquals(0, brokerService.getAdminView().getInactiveDurableTopicSubscribers().length);
logBrokerMemoryUsage(Topic.class);
assertEquals(0, getCurrentMemoryUsage(Topic.class));
}
private void createDurableSubscription() throws JMSException {
final Connection connection = connectionFactory.createConnection();
connection.setClientID(CLIENT_ID);
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final Topic topic = session.createTopic(TOPIC_NAME);
connection.start();
session.createDurableSubscriber(topic, SUBSCRIPTION_NAME, null, false);
LOG.info("Created durable subscription.");
connection.stop();
connection.close();
}
private void receiveMessages(Class<? extends Destination> destType) throws JMSException {
final Connection connection = connectionFactory.createConnection();
connection.setClientID(CLIENT_ID);
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final Destination destination;
if (destType.equals(Queue.class)) {
destination = session.createQueue(QUEUE_NAME);
} else {
destination = session.createTopic(TOPIC_NAME);
}
final MessageConsumer consumer;
if (destType.equals(Queue.class)) {
consumer = session.createConsumer(destination);
} else {
consumer = session.createDurableSubscriber((Topic) destination, SUBSCRIPTION_NAME, null, false);
}
connection.start();
for (int i = 0; i < MSG_COUNT; ++i) {
assertNotNull(consumer.receive(5000));
}
connection.close();
}
private void sendBytesMessage(Class<? extends Destination> destType) throws JMSException {
final Connection connection = connectionFactory.createConnection();
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final Destination destination;
if (destType.equals(Queue.class)) {
destination = session.createQueue(QUEUE_NAME);
} else {
destination = session.createTopic(TOPIC_NAME);
}
final MessageProducer producer = session.createProducer(destination);
final BytesMessage bytesMessage = session.createBytesMessage();
bytesMessage.writeBytes(new byte[1024 * 1024]);
producer.setDeliveryMode(DeliveryMode.PERSISTENT);
for (int i = 0; i < MSG_COUNT; ++i) {
producer.send(bytesMessage);
}
connection.close();
}
private void unsubscribeDurableSubscription() throws JMSException {
final Connection connection = connectionFactory.createConnection();
connection.setClientID(CLIENT_ID);
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
session.unsubscribe(SUBSCRIPTION_NAME);
LOG.info("Unsubscribed durable subscription.");
connection.stop();
connection.close();
}
private long getCurrentMemoryUsage(Class<? extends Destination> destType) throws Exception {
final MemoryUsage usage;
if (destType.equals(Queue.class)) {
usage = brokerService.getDestination(ActiveMQDestination.createDestination(QUEUE_NAME, ActiveMQDestination.QUEUE_TYPE)).getMemoryUsage();
} else {
usage = brokerService.getDestination(ActiveMQDestination.createDestination(TOPIC_NAME, ActiveMQDestination.TOPIC_TYPE)).getMemoryUsage();
}
return usage.getUsage();
}
private void logBrokerMemoryUsage(Class<? extends Destination> destType) throws Exception {
LOG.info("Memory usage: broker={}% destination={}", brokerService.getAdminView().getMemoryPercentUsage(), getCurrentMemoryUsage(destType));
}
protected QueueViewMBean getProxyToQueue(String name) throws MalformedObjectNameException, JMSException {
ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Queue,destinationName="+name);
QueueViewMBean proxy = (QueueViewMBean) brokerService.getManagementContext()
.newProxyInstance(queueViewMBeanName, QueueViewMBean.class, true);
return proxy;
}
}