/**
* 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.region;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
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.DefaultTestAppender;
import org.apache.log4j.Appender;
import org.apache.log4j.Level;
import org.apache.log4j.spi.LoggingEvent;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jms.Connection;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class DestinationGCStressTest {
protected static final Logger logger = LoggerFactory.getLogger(DestinationGCStressTest.class);
private BrokerService brokerService;
@Before
public void setUp() throws Exception {
brokerService = createBroker();
brokerService.start();
brokerService.waitUntilStarted();
}
@After
public void tearDown() throws Exception {
if (brokerService != null) {
brokerService.stop();
brokerService.waitUntilStopped();
}
}
protected BrokerService createBroker() throws Exception {
BrokerService broker = new BrokerService();
broker.setPersistent(false);
broker.setUseJmx(false);
broker.setSchedulePeriodForDestinationPurge(1);
broker.setMaxPurgedDestinationsPerSweep(100);
broker.setAdvisorySupport(false);
PolicyEntry entry = new PolicyEntry();
entry.setGcInactiveDestinations(true);
entry.setInactiveTimeoutBeforeGC(1);
PolicyMap map = new PolicyMap();
map.setDefaultEntry(entry);
broker.setDestinationPolicy(map);
return broker;
}
@Test(timeout = 60000)
public void testClashWithPublishAndGC() throws Exception {
org.apache.log4j.Logger log4jLogger =
org.apache.log4j.Logger.getLogger(RegionBroker.class);
final AtomicBoolean failed = new AtomicBoolean(false);
Appender appender = new DefaultTestAppender() {
@Override
public void doAppend(LoggingEvent event) {
if (event.getLevel().equals(Level.ERROR) && event.getMessage().toString().startsWith("Failed to remove inactive")) {
logger.info("received unexpected log message: " + event.getMessage());
failed.set(true);
}
}
};
log4jLogger.addAppender(appender);
try {
final AtomicInteger max = new AtomicInteger(20000);
final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost?create=false");
factory.setWatchTopicAdvisories(false);
Connection connection = factory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final MessageConsumer messageConsumer = session.createConsumer(new ActiveMQTopic(">"));
ExecutorService executorService = Executors.newCachedThreadPool();
for (int i = 0; i < 1; i++) {
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Connection c = factory.createConnection();
c.start();
Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = s.createProducer(null);
Message message = s.createTextMessage();
int j;
while ((j = max.decrementAndGet()) > 0) {
producer.send(new ActiveMQTopic("A." + j), message);
}
} catch (Exception ignored) {
ignored.printStackTrace();
}
}
});
}
executorService.shutdown();
executorService.awaitTermination(60, TimeUnit.SECONDS);
logger.info("Done");
connection.close();
} finally {
log4jLogger.removeAppender(appender);
}
assertFalse("failed on unexpected log event", failed.get());
}
@Test(timeout = 60000)
public void testAddRemoveWildcardWithGc() throws Exception {
org.apache.log4j.Logger log4jLogger =
org.apache.log4j.Logger.getLogger(RegionBroker.class);
final AtomicBoolean failed = new AtomicBoolean(false);
Appender appender = new DefaultTestAppender() {
@Override
public void doAppend(LoggingEvent event) {
if (event.getLevel().equals(Level.ERROR) && event.getMessage().toString().startsWith("Failed to remove inactive")) {
logger.info("received unexpected log message: " + event.getMessage());
failed.set(true);
}
}
};
log4jLogger.addAppender(appender);
try {
final AtomicInteger max = new AtomicInteger(20000);
final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost?create=false");
factory.setWatchTopicAdvisories(false);
Connection connection = factory.createConnection();
connection.start();
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
ExecutorService executorService = Executors.newCachedThreadPool();
for (int i = 0; i < 1; i++) {
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Connection c = factory.createConnection();
c.start();
Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = s.createProducer(null);
Message message = s.createTextMessage();
int j;
while ((j = max.decrementAndGet()) > 0) {
producer.send(new ActiveMQTopic("A." + j), message);
}
} catch (Exception ignored) {
ignored.printStackTrace();
}
}
});
}
executorService.submit(new Runnable() {
@Override
public void run() {
for (int i = 0; i < 1000; i++) {
try {
MessageConsumer messageConsumer = session.createConsumer(new ActiveMQTopic(">"));
messageConsumer.close();
} catch (Exception ignored) {
}
}
}
});
executorService.shutdown();
executorService.awaitTermination(60, TimeUnit.SECONDS);
logger.info("Done");
connection.close();
} finally {
log4jLogger.removeAppender(appender);
}
assertFalse("failed on unexpected log event", failed.get());
}
@Test(timeout = 60000)
public void testAllDestsSeeSub() throws Exception {
final AtomicInteger foundDestWithMissingSub = new AtomicInteger(0);
final AtomicInteger max = new AtomicInteger(20000);
final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost?create=false");
factory.setWatchTopicAdvisories(false);
Connection connection = factory.createConnection();
connection.start();
final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
ExecutorService executorService = Executors.newCachedThreadPool();
for (int i = 0; i < 1; i++) {
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Connection c = factory.createConnection();
c.start();
Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = s.createProducer(null);
Message message = s.createTextMessage();
int j;
while ((j = max.decrementAndGet()) > 0) {
producer.send(new ActiveMQTopic("A." + j), message);
}
} catch (Exception ignored) {
ignored.printStackTrace();
}
}
});
}
executorService.submit(new Runnable() {
@Override
public void run() {
for (int i = 0; i < 1000; i++) {
try {
MessageConsumer messageConsumer = session.createConsumer(new ActiveMQTopic(">"));
if (destMissingSub(foundDestWithMissingSub)) {
break;
}
messageConsumer.close();
} catch (Exception ignored) {
}
}
}
});
executorService.shutdown();
executorService.awaitTermination(60, TimeUnit.SECONDS);
connection.close();
assertEquals("no dests missing sub", 0, foundDestWithMissingSub.get());
}
private boolean destMissingSub(AtomicInteger tally) {
for (Destination destination :
((RegionBroker)brokerService.getRegionBroker()).getTopicRegion().getDestinationMap().values()) {
if (destination.getConsumers().isEmpty()) {
tally.incrementAndGet();
return true;
}
}
return false;
}
}