/**
* 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.usecases;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicLong;
import javax.jms.Connection;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TopicSubscriber;
import javax.management.ObjectName;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.DurableSubscriptionViewMBean;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.util.Wait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TopicProducerDurableSubFlowControlTest extends TestCase implements MessageListener {
private static final Logger LOG = LoggerFactory.getLogger(TopicProducerDurableSubFlowControlTest.class);
private static final String brokerName = "testBroker";
private static final String brokerUrl = "vm://" + brokerName;
protected static final int destinationMemLimit = 2097152; // 2MB
private static final AtomicLong produced = new AtomicLong();
private static final AtomicLong consumed = new AtomicLong();
private static final int numMessagesToSend = 10000;
private BrokerService broker;
protected void setUp() throws Exception {
doSetup(true);
}
private void doSetup(boolean deleteAll) throws Exception {
// Setup and start the broker
broker = new BrokerService();
broker.setBrokerName(brokerName);
broker.setSchedulerSupport(false);
broker.setUseJmx(true);
broker.setUseShutdownHook(false);
broker.addConnector(brokerUrl);
broker.setAdvisorySupport(false);
broker.getSystemUsage().getMemoryUsage().setLimit(destinationMemLimit * 10);
broker.setDeleteAllMessagesOnStartup(deleteAll);
// Setup the destination policy
PolicyMap pm = new PolicyMap();
// Setup the topic destination policy
PolicyEntry tpe = new PolicyEntry();
tpe.setTopic(">");
tpe.setMemoryLimit(destinationMemLimit);
tpe.setCursorMemoryHighWaterMark(10);
tpe.setProducerFlowControl(true);
tpe.setAdvisoryWhenFull(true);
tpe.setExpireMessagesPeriod(0);
pm.setPolicyEntries(Arrays.asList(new PolicyEntry[]{tpe}));
setDestinationPolicy(broker, pm);
// Start the broker
broker.start();
broker.waitUntilStarted();
}
protected void setDestinationPolicy(BrokerService broker, PolicyMap pm) {
broker.setDestinationPolicy(pm);
}
protected void tearDown() throws Exception {
broker.stop();
broker.waitUntilStopped();
}
public void testTopicProducerFlowControl() throws Exception {
// Create the connection factory
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUrl);
connectionFactory.setAlwaysSyncSend(true);
// Start the test destination listener
Connection c = connectionFactory.createConnection();
c.setClientID("cliId1");
c.start();
Session listenerSession = c.createSession(false, 1);
TopicSubscriber durable = listenerSession.createDurableSubscriber(createDestination(), "DurableSub-0");
durable.close();
durable = listenerSession.createDurableSubscriber(createDestination(), "DurableSub-1");
durable.setMessageListener(this);
// Start producing the test messages
final Session session = connectionFactory.createConnection().createSession(false, Session.AUTO_ACKNOWLEDGE);
final MessageProducer producer = session.createProducer(createDestination());
final Thread producingThread = new Thread("Producing Thread") {
public void run() {
try {
for (long i = 0; i < numMessagesToSend; i++) {
producer.send(session.createTextMessage("test"));
long count = produced.incrementAndGet();
if (count % 10000 == 0) {
LOG.info("Produced " + count + " messages");
}
}
} catch (Throwable ex) {
ex.printStackTrace();
} finally {
try {
producer.close();
session.close();
} catch (Exception e) {
}
}
}
};
producingThread.start();
ArrayList<ObjectName> subON = new ArrayList<>();
final ArrayList<DurableSubscriptionViewMBean> subViews = new ArrayList<>();
subON.addAll(Arrays.asList(broker.getAdminView().getInactiveDurableTopicSubscribers()));
subON.addAll(Arrays.asList(broker.getAdminView().getDurableTopicSubscribers()));
assertTrue("have a sub", !subON.isEmpty());
for (ObjectName subName : subON) {
subViews.add((DurableSubscriptionViewMBean)
broker.getManagementContext().newProxyInstance(subName, DurableSubscriptionViewMBean.class, true));
}
LOG.info("Wait for producer to stop");
assertTrue("producer thread is done", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
for (DurableSubscriptionViewMBean sub : subViews) {
LOG.info("name: " + sub.getSubscriptionName());
LOG.info("cursor size: " + sub.cursorSize());
LOG.info("mem usage: " + sub.getCursorMemoryUsage());
LOG.info("mem % usage: " + sub.getCursorPercentUsage());
}
return !producingThread.isAlive();
}
}, 10 * 60 * 1000));
for (DurableSubscriptionViewMBean sub : subViews) {
LOG.info("name: " + sub.getSubscriptionName());
LOG.info("cursor size: " + sub.cursorSize());
LOG.info("mem usage: " + sub.getCursorMemoryUsage());
LOG.info("mem % usage: " + sub.getCursorPercentUsage());
if (sub.cursorSize() > 0 ) {
assertTrue("Has a decent usage", sub.getCursorPercentUsage() > 5);
}
}
}
protected ActiveMQTopic createDestination() throws Exception {
return new ActiveMQTopic("test");
}
@Override
public void onMessage(Message message) {
long count = consumed.incrementAndGet();
if (count % 10000 == 0) {
LOG.info("\tConsumed " + count + " messages");
}
}
}