/**
* 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 java.io.File;
import java.util.concurrent.CountDownLatch;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import junit.framework.Test;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQPrefetchPolicy;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.util.Wait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AMQ2314Test extends CombinationTestSupport {
public boolean consumeAll = false;
public int deliveryMode = DeliveryMode.NON_PERSISTENT;
private static final Logger LOG = LoggerFactory.getLogger(AMQ2314Test.class);
private static final int MESSAGES_COUNT = 30000;
private static byte[] buf = new byte[1024];
private BrokerService broker;
private String connectionUri;
private static final long messageReceiveTimeout = 500L;
Destination destination = new ActiveMQTopic("FooTwo");
public void testRemoveSlowSubscriberWhacksTempStore() throws Exception {
runProducerWithHungConsumer();
}
public void testMemoryUsageReleasedOnAllConsumed() throws Exception {
consumeAll = true;
runProducerWithHungConsumer();
// do it again to ensure memory limits are decreased
runProducerWithHungConsumer();
}
public void runProducerWithHungConsumer() throws Exception {
final CountDownLatch consumerContinue = new CountDownLatch(1);
final CountDownLatch consumerReady = new CountDownLatch(1);
final long origTempUsage = broker.getSystemUsage().getTempUsage().getUsage();
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);
factory.setAlwaysSyncSend(true);
// ensure messages are spooled to disk for this consumer
ActiveMQPrefetchPolicy prefetch = new ActiveMQPrefetchPolicy();
prefetch.setTopicPrefetch(500);
factory.setPrefetchPolicy(prefetch);
final Connection connection = factory.createConnection();
connection.start();
Thread producingThread = new Thread("Producing thread") {
public void run() {
try {
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(deliveryMode);
for (int idx = 0; idx < MESSAGES_COUNT; ++idx) {
Message message = session.createTextMessage(new String(buf) + idx);
producer.send(message);
}
producer.close();
session.close();
} catch (Throwable ex) {
ex.printStackTrace();
}
}
};
Thread consumingThread = new Thread("Consuming thread") {
public void run() {
try {
int count = 0;
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(destination);
while (consumer.receive(messageReceiveTimeout) == null) {
consumerReady.countDown();
}
count++;
LOG.info("Received one... waiting");
consumerContinue.await();
if (consumeAll) {
LOG.info("Consuming the rest of the messages...");
while (consumer.receive(messageReceiveTimeout) != null) {
count++;
}
}
LOG.info("consumer session closing: consumed count: " + count);
session.close();
} catch (Throwable ex) {
ex.printStackTrace();
}
}
};
consumingThread.start();
consumerReady.await();
producingThread.start();
producingThread.join();
final long tempUsageBySubscription = broker.getSystemUsage().getTempUsage().getUsage();
LOG.info("Orig Usage: " + origTempUsage + ", currentUsage: " + tempUsageBySubscription);
assertTrue("some temp store has been used", tempUsageBySubscription != origTempUsage);
consumerContinue.countDown();
consumingThread.join();
connection.close();
LOG.info("Subscription Usage: " + tempUsageBySubscription + ", endUsage: "
+ broker.getSystemUsage().getTempUsage().getUsage());
assertTrue("temp usage decreased with removed sub", Wait.waitFor(new Wait.Condition(){
public boolean isSatisified() throws Exception {
return broker.getSystemUsage().getTempUsage().getUsage() < tempUsageBySubscription;
}
}));
}
public void setUp() throws Exception {
super.setAutoFail(true);
super.setUp();
broker = new BrokerService();
broker.setDataDirectory("target" + File.separator + "activemq-data");
broker.setPersistent(true);
broker.setUseJmx(true);
broker.setAdvisorySupport(false);
broker.setDeleteAllMessagesOnStartup(true);
broker.getSystemUsage().getMemoryUsage().setLimit(1024l*1024*64);
broker.addConnector("tcp://localhost:0").setName("Default");
broker.start();
connectionUri = broker.getTransportConnectors().get(0).getPublishableConnectString();
}
public void tearDown() throws Exception {
broker.stop();
}
public static Test suite() {
return suite(AMQ2314Test.class);
}
}