/**
* 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.IOException;
import java.lang.management.ManagementFactory;
import java.net.ServerSocket;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQTopicSubscriber;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.ManagementContext;
import org.apache.activemq.command.ActiveMQTopic;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.fail;
public class AMQ3678Test implements MessageListener {
public int deliveryMode = DeliveryMode.NON_PERSISTENT;
private BrokerService broker;
AtomicInteger messagesSent = new AtomicInteger(0);
AtomicInteger messagesReceived = new AtomicInteger(0);
ActiveMQTopic destination = new ActiveMQTopic("XYZ");
int port;
int jmxport;
final CountDownLatch latch = new CountDownLatch(2);
public static void main(String[] args) throws Exception {
}
public static int findFreePort() throws IOException {
ServerSocket socket = null;
try {
// 0 is open a socket on any free port
socket = new ServerSocket(0);
return socket.getLocalPort();
} finally {
if (socket != null) {
socket.close();
}
}
}
@Test
public void countConsumers() throws JMSException {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:" + port);
factory.setAlwaysSyncSend(true);
factory.setDispatchAsync(false);
final Connection producerConnection = factory.createConnection();
producerConnection.start();
final Connection consumerConnection = factory.createConnection();
consumerConnection.setClientID("subscriber1");
Session consumerMQSession = consumerConnection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
ActiveMQTopicSubscriber activeConsumer = (ActiveMQTopicSubscriber) consumerMQSession.createDurableSubscriber(destination, "myTopic?consumer.prefetchSize=1");
activeConsumer.setMessageListener(this);
consumerConnection.start();
final Session producerSession = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final MessageProducer producer = producerSession.createProducer(destination);
producer.setDeliveryMode(deliveryMode);
Thread t = new Thread(new Runnable() {
private boolean done = false;
public void run() {
while (!done) {
if (messagesSent.get() == 50) {
try {
broker.getAdminView().removeTopic(destination.getTopicName());
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
System.err.flush();
fail("Unable to remove destination:"
+ destination.getPhysicalName());
}
}
try {
producer.send(producerSession.createTextMessage());
int val = messagesSent.incrementAndGet();
System.out.println("sent message (" + val + ")");
System.out.flush();
if (val == 100) {
done = true;
latch.countDown();
producer.close();
producerSession.close();
}
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
t.start();
try {
if (!latch.await(10, TimeUnit.SECONDS)) {
fail("did not receive all the messages");
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
fail("did not receive all the messages, exception waiting for latch");
e.printStackTrace();
}
//
}
@Before
public void setUp() throws Exception {
try {
port = findFreePort();
jmxport = findFreePort();
} catch (Exception e) {
fail("Unable to obtain a free port on which to start the broker");
}
System.out.println("Starting broker");
System.out.flush();
broker = new BrokerService();
broker.setPersistent(false);
ManagementContext ctx = new ManagementContext(ManagementFactory.getPlatformMBeanServer());
ctx.setConnectorPort(jmxport);
broker.setManagementContext(ctx);
broker.setUseJmx(true);
// broker.setAdvisorySupport(false);
// broker.setDeleteAllMessagesOnStartup(true);
broker.addConnector("tcp://localhost:" + port).setName("Default");
broker.start();
System.out.println("End of Broker Setup");
System.out.flush();
}
@After
public void tearDown() throws Exception {
broker.stop();
}
@Override
public void onMessage(Message message) {
try {
message.acknowledge();
int val = messagesReceived.incrementAndGet();
System.out.println("received message (" + val + ")");
System.out.flush();
if (messagesReceived.get() == 100) {
latch.countDown();
}
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}