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Merge pull request #571 from dhmgit/durable-sub-message-expiration 

Adding an option which allows messages to expire on active durable subscriptions
This commit is contained in:
Jean-Baptiste Onofré 2020-11-22 07:10:43 +01:00 committed by GitHub
parent 02d4f8efec 2f2fe6855f
commit fbdb302968
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 184 additions and 1 deletions
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9
activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java
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@ -203,6 +203,7 @@ public class BrokerService implements Service {
private final AtomicBoolean preShutdownHooksInvoked = new AtomicBoolean(false);
private BrokerPlugin[] plugins;
private boolean keepDurableSubsActive = true;
private boolean enableMessageExpirationOnActiveDurableSubs = false;
private boolean useVirtualTopics = true;
private boolean useMirroredQueues = false;
private boolean useTempMirroredQueues = true;
@ -1730,6 +1731,14 @@ public class BrokerService implements Service {
this.keepDurableSubsActive = keepDurableSubsActive;
}
public boolean isEnableMessageExpirationOnActiveDurableSubs() {
return enableMessageExpirationOnActiveDurableSubs;
}
public void setEnableMessageExpirationOnActiveDurableSubs(boolean enableMessageExpirationOnActiveDurableSubs) {
this.enableMessageExpirationOnActiveDurableSubs = enableMessageExpirationOnActiveDurableSubs;
}
public boolean isUseVirtualTopics() {
return useVirtualTopics;
}

6
activemq-broker/src/main/java/org/apache/activemq/broker/region/DurableTopicSubscription.java
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@ -58,6 +58,7 @@ public class DurableTopicSubscription extends PrefetchSubscription implements Us
private final ConcurrentMap<ActiveMQDestination, Destination> durableDestinations = new ConcurrentHashMap<ActiveMQDestination, Destination>();
private final SubscriptionKey subscriptionKey;
private boolean keepDurableSubsActive;
private boolean enableMessageExpirationOnActiveDurableSubs;
private final AtomicBoolean active = new AtomicBoolean();
private final AtomicLong offlineTimestamp = new AtomicLong(-1);
private final HashSet<MessageId> ackedAndPrepared = new HashSet<MessageId>();
@ -69,6 +70,7 @@ public class DurableTopicSubscription extends PrefetchSubscription implements Us
this.pending.setSystemUsage(usageManager);
this.pending.setMemoryUsageHighWaterMark(getCursorMemoryHighWaterMark());
this.keepDurableSubsActive = keepDurableSubsActive;
this.enableMessageExpirationOnActiveDurableSubs = broker.getBrokerService().isEnableMessageExpirationOnActiveDurableSubs();
subscriptionKey = new SubscriptionKey(context.getClientId(), info.getSubscriptionName());
}
@ -429,4 +431,8 @@ public class DurableTopicSubscription extends PrefetchSubscription implements Us
public boolean isKeepDurableSubsActive() {
return keepDurableSubsActive;
}
public boolean isEnableMessageExpirationOnActiveDurableSubs() {
return enableMessageExpirationOnActiveDurableSubs;
}
}

2
activemq-broker/src/main/java/org/apache/activemq/broker/region/Topic.java
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@ -686,7 +686,7 @@ public class Topic extends BaseDestination implements Task {
final ConnectionContext connectionContext = createConnectionContext();
for (Message message : toExpire) {
for (DurableTopicSubscription sub : durableSubscribers.values()) {
if (!sub.isActive()) {
if (!sub.isActive() || sub.isEnableMessageExpirationOnActiveDurableSubs()) {
message.setRegionDestination(this);
messageExpired(connectionContext, sub, message);
}

168
activemq-unit-tests/src/test/java/org/apache/activemq/usecases/ActiveDurableSubscriptionBrowseExpireTest.java Normal file
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@ -0,0 +1,168 @@
/**
* 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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import javax.jms.Connection;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.management.ObjectName;
import javax.management.openmbean.CompositeData;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.TestSupport.PersistenceAdapterChoice;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.DurableSubscriptionViewMBean;
import org.apache.activemq.store.MessageRecoveryListener;
import org.apache.activemq.store.PersistenceAdapter;
import org.apache.activemq.store.TopicMessageStore;
import org.apache.activemq.broker.region.Destination;
import org.apache.activemq.command.MessageId;
import org.junit.Test;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(value = Parameterized.class)
public class ActiveDurableSubscriptionBrowseExpireTest extends DurableSubscriptionOfflineTestBase {
//private static final Logger LOG = LoggerFactory.getLogger(ActiveDurableSubscriptionBrowseExpireTest.class);
private boolean enableExpiration = true;
public ActiveDurableSubscriptionBrowseExpireTest(boolean enableExpiration) {
keepDurableSubsActive = true;
this.enableExpiration = enableExpiration;
}
@Parameterized.Parameters(name = "enableExpiration_{0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
{ false },
{ true }
});
}
@Override
public PersistenceAdapter setDefaultPersistenceAdapter(BrokerService broker) throws IOException {
return super.setPersistenceAdapter(broker, PersistenceAdapterChoice.MEM);
}
@Override
protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + getName(true));
connectionFactory.setWatchTopicAdvisories(false);
return connectionFactory;
}
@Test(timeout = 60 * 1000)
public void testBrowseExpireActiveSub() throws Exception {
final int numberOfMessages = 10;
broker.setEnableMessageExpirationOnActiveDurableSubs(enableExpiration);
// create durable subscription
Connection con = createConnection("consumer");
Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
session.createDurableSubscriber(topic, "SubsId");
long timeStamp = System.currentTimeMillis();
sendMessages(numberOfMessages, timeStamp);
ObjectName[] subs = broker.getAdminView().getDurableTopicSubscribers();
assertEquals(1, subs.length);
ObjectName subName = subs[0];
DurableSubscriptionViewMBean sub = (DurableSubscriptionViewMBean)
broker.getManagementContext().newProxyInstance(subName, DurableSubscriptionViewMBean.class, true);
assertEquals(true, sub.isActive());
// browse the durable sub
CompositeData[] data = sub.browse();
assertNotNull(data);
assertEquals(numberOfMessages, data.length);
Destination dest = broker.getDestination(topic);
assertEquals(0, dest.getDestinationStatistics().getExpired().getCount());
// add every 3rd message to the expiration list
TopicMessageStore topicStore = (TopicMessageStore)dest.getMessageStore();
LinkedList<org.apache.activemq.command.Message> messagesToExpire = new LinkedList<>();
topicStore.recover(new MessageRecoveryListener() {
@Override
public boolean recoverMessage(org.apache.activemq.command.Message message) throws Exception {
int index = (int)message.getProperty("index");
if(index % 3 == 0)
messagesToExpire.add(message);
return true;
}
@Override
public boolean recoverMessageReference(MessageId messageReference) throws Exception {
return true;
}
@Override
public boolean hasSpace() {
return true;
}
@Override
public boolean isDuplicate(MessageId id) {
return false;
}
});
// expire messages in the topic store
for(org.apache.activemq.command.Message message: messagesToExpire) {
message.setExpiration(timeStamp - 1);
topicStore.updateMessage(message);
}
// browse (should | should not) expire the messages on the destination if expiration is (enabled | not enabled)
data = sub.browse();
assertNotNull(data);
assertEquals(enableExpiration ? messagesToExpire.size() : 0, dest.getDestinationStatistics().getExpired().getCount());
session.close();
con.close();
}
private void sendMessages(int numberOfMessages, long timeStamp) throws Exception {
Connection con = createConnection("producer");
Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(null);
for (int i = 0; i < numberOfMessages; i++) {
Message message = session.createMessage();
message.setIntProperty("index", i);
message.setJMSTimestamp(timeStamp);
producer.send(topic, message);
}
session.close();
con.close();
}
}