/**
* 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.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Vector;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import javax.jms.BytesMessage;
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 org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ConnectionControl;
import org.junit.After;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AMQ4157Test {
static final Logger LOG = LoggerFactory.getLogger(AMQ4157Test.class);
private BrokerService broker;
private ActiveMQConnectionFactory connectionFactory;
private final Destination destination = new ActiveMQQueue("Test");
private final String payloadString = new String(new byte[8*1024]);
private final boolean useBytesMessage= true;
private final int parallelProducer = 20;
private final int parallelConsumer = 100;
private final Vector<Exception> exceptions = new Vector<Exception>();
long toSend = 1000;
@Test
public void testPublishCountsWithRollbackConsumer() throws Exception {
startBroker(true);
final AtomicLong sharedCount = new AtomicLong(toSend);
ExecutorService executorService = Executors.newCachedThreadPool();
for (int i=0; i< parallelConsumer; i++) {
executorService.execute(new Runnable() {
@Override
public void run() {
try {
consumeOneAndRollback();
} catch (Exception e) {
exceptions.add(e);
}
}
});
}
for (int i=0; i< parallelProducer; i++) {
executorService.execute(new Runnable() {
@Override
public void run() {
try {
publishMessages(sharedCount, 0);
} catch (Exception e) {
exceptions.add(e);
}
}
});
}
executorService.shutdown();
executorService.awaitTermination(30, TimeUnit.MINUTES);
assertTrue("Producers done in time", executorService.isTerminated());
assertTrue("No exceptions: " + exceptions, exceptions.isEmpty());
restartBroker(500);
LOG.info("Attempting consume of {} messages", toSend);
consumeMessages(toSend);
}
private void consumeOneAndRollback() throws Exception {
ActiveMQConnection connection = (ActiveMQConnection) connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
MessageConsumer consumer = session.createConsumer(destination);
Message message = null;
while (message == null) {
message = consumer.receive(1000);
}
session.rollback();
connection.close();
}
private void consumeMessages(long count) throws Exception {
ActiveMQConnection connection = (ActiveMQConnection) connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(destination);
for (int i=0; i<count; i++) {
assertNotNull("got message "+ i, consumer.receive(20000));
}
assertNull("none left over", consumer.receive(2000));
}
private void restartBroker(int restartDelay) throws Exception {
stopBroker();
TimeUnit.MILLISECONDS.sleep(restartDelay);
startBroker(false);
}
@After
public void stopBroker() throws Exception {
if (broker != null) {
broker.stop();
broker.waitUntilStopped();
}
}
private void publishMessages(AtomicLong count, int expiry) throws Exception {
ActiveMQConnection connection = (ActiveMQConnection) connectionFactory.createConnection();
connection.setWatchTopicAdvisories(false);
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(destination);
while ( (count.getAndDecrement()) > 0) {
Message message = null;
if (useBytesMessage) {
message = session.createBytesMessage();
((BytesMessage) message).writeBytes(payloadString.getBytes());
} else {
message = session.createTextMessage(payloadString);
}
producer.send(message, DeliveryMode.PERSISTENT, 5, expiry);
}
connection.syncSendPacket(new ConnectionControl());
connection.close();
}
public void startBroker(boolean deleteAllMessages) throws Exception {
broker = new BrokerService();
broker.setDeleteAllMessagesOnStartup(deleteAllMessages);
broker.addConnector("tcp://0.0.0.0:0");
broker.start();
String options = "?jms.redeliveryPolicy.maximumRedeliveries=-1&jms.prefetchPolicy.all=1000&jms.watchTopicAdvisories=false&jms.useAsyncSend=true&jms.alwaysSessionAsync=false&jms.dispatchAsync=false&socketBufferSize=131072&ioBufferSize=16384&wireFormat.tightEncodingEnabled=false&wireFormat.cacheSize=8192";
connectionFactory = new ActiveMQConnectionFactory(broker.getTransportConnectors().get(0).getConnectUri() + options);
}
}