/**
* 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.broker;
import junit.framework.Test;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.apache.activemq.util.IOHelper;
import org.apache.derby.jdbc.EmbeddedDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jms.Connection;
import javax.jms.*;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
/**
* Implements the test case attached to:
* https://issues.apache.org/jira/browse/AMQ-4351
*
* This version avoids the spring deps.
*/
public class AMQ4351Test extends BrokerTestSupport {
private static final Logger LOG = LoggerFactory.getLogger(AMQ4351Test.class);
public static Test suite() {
return suite(AMQ4351Test.class);
}
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
protected BrokerService createBroker() throws Exception {
BrokerService broker = new BrokerService();
// Lets clean up often.
broker.setOfflineDurableSubscriberTaskSchedule(500);
broker.setOfflineDurableSubscriberTimeout(2000); // lets delete durable subs much faster.
JDBCPersistenceAdapter jdbc = new JDBCPersistenceAdapter();
broker.setPersistenceAdapter(jdbc);
broker.setDeleteAllMessagesOnStartup(true);
return broker;
}
ActiveMQConnectionFactory connectionFactory;
ActiveMQTopic destination = new ActiveMQTopic("TEST");
@Override
protected void setUp() throws Exception {
super.setUp();
connectionFactory = new ActiveMQConnectionFactory(broker.getVmConnectorURI());
}
class ProducingClient implements Runnable {
final AtomicLong size = new AtomicLong();
final AtomicBoolean done = new AtomicBoolean();
CountDownLatch doneLatch = new CountDownLatch(1);
Connection connection;
Session session;
MessageProducer producer;
ProducingClient() throws JMSException {
connection = connectionFactory.createConnection();
connection.start();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
producer = session.createProducer(destination);
}
private void sendMessage() {
try {
producer.send(session.createTextMessage("Test"));
long i = size.incrementAndGet();
if( (i % 1000) == 0 ) {
LOG.info("produced " + i + ".");
}
} catch (JMSException e) {
e.printStackTrace();
}
}
public void start() {
new Thread(this, "ProducingClient").start();
}
public void stop() throws InterruptedException {
done.set(true);
if( !doneLatch.await(20, TimeUnit.MILLISECONDS) ) {
try {
connection.close();
doneLatch.await();
} catch (JMSException e) {
}
}
}
@Override
public void run() {
try {
try {
while (!done.get()) {
sendMessage();
Thread.sleep(10);
}
} finally {
connection.close();
}
} catch (Exception e) {
e.printStackTrace();
done.set(true);
} finally {
doneLatch.countDown();
}
}
}
class ConsumingClient implements Runnable {
final String name;
final AtomicLong size = new AtomicLong();
final AtomicBoolean done = new AtomicBoolean();
CountDownLatch doneLatch = new CountDownLatch(1);
CountDownLatch started;
CountDownLatch finished;
public ConsumingClient(String name, CountDownLatch started, CountDownLatch finished) {
this.name = name;
this.started = started;
this.finished = finished;
}
public void start() {
LOG.info("Starting JMS listener " + name);
new Thread(this, "ConsumingClient: "+name).start();
}
public void stopAsync() {
finished.countDown();
done.set(true);
}
public void stop() throws InterruptedException {
stopAsync();
doneLatch.await();
}
@Override
public void run() {
try {
Connection connection = connectionFactory.createConnection();
connection.setClientID(name);
connection.start();
try {
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
MessageConsumer consumer = session.createDurableSubscriber(destination, name, null, false);
started.countDown();
while( !done.get() ) {
Message msg = consumer.receive(100);
if(msg!=null ) {
size.incrementAndGet();
session.commit();
}
}
} finally {
connection.close();
LOG.info("Stopped JMS listener " + name);
}
} catch (Exception e) {
e.printStackTrace();
done.set(true);
} finally {
doneLatch.countDown();
}
}
}
public void testAMQ4351() throws InterruptedException, JMSException {
LOG.info("Start test.");
int subs = 100;
CountDownLatch startedLatch = new CountDownLatch(subs - 1);
CountDownLatch shutdownLatch = new CountDownLatch(subs - 4);
ProducingClient producer = new ProducingClient();
ConsumingClient listener1 = new ConsumingClient("subscriber-1", startedLatch, shutdownLatch);
ConsumingClient listener2 = new ConsumingClient("subscriber-2", startedLatch, shutdownLatch);
ConsumingClient listener3 = new ConsumingClient("subscriber-3", startedLatch, shutdownLatch);
try {
listener1.start();
listener2.start();
listener3.start();
List<ConsumingClient> subscribers = new ArrayList<ConsumingClient>(subs);
for (int i = 4; i < subs; i++) {
ConsumingClient client = new ConsumingClient("subscriber-" + i, startedLatch, shutdownLatch);
subscribers.add(client);
client.start();
}
startedLatch.await(10, TimeUnit.SECONDS);
LOG.info("All subscribers started.");
producer.sendMessage();
LOG.info("Stopping 97 subscribers....");
for (ConsumingClient client : subscribers) {
client.stopAsync();
}
shutdownLatch.await(10, TimeUnit.SECONDS);
// Start producing messages for 10 minutes, at high rate
LOG.info("Starting mass message producer...");
producer.start();
long lastSize = listener1.size.get();
for( int i=0 ; i < 10; i++ ) {
Thread.sleep(1000);
long size = listener1.size.get();
LOG.info("Listener 1: consumed: "+(size - lastSize));
assertTrue( size > lastSize );
lastSize = size;
}
} finally {
LOG.info("Stopping clients");
listener1.stop();
listener2.stop();
listener3.stop();
producer.stop();
}
}
}