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Adding some network reconnect tests. These are used to validate the our network connections get re-established after a broker restart. 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@423783 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2006-07-20 05:44:53 +00:00
parent c13a547e1e
commit 2fc3e8ee7f
6 changed files with 542 additions and 0 deletions
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314
activemq-core/src/test/java/org/apache/activemq/network/NetworkReconnectTest.java Normal file
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/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed 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.network;
import java.net.URI;
import java.util.ArrayList;
import java.util.Iterator;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.advisory.ConsumerEvent;
import org.apache.activemq.advisory.ConsumerEventSource;
import org.apache.activemq.advisory.ConsumerListener;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicInteger;
/**
* These test cases are used to verifiy that network connections get re established in all broker
* restart scenarios.
*
* @author chirino
*/
public class NetworkReconnectTest extends TestCase {
private BrokerService producerBroker;
private BrokerService consumerBroker;
private ActiveMQConnectionFactory producerConnectionFactory;
private ActiveMQConnectionFactory consumerConnectionFactory;
private Destination destination;
private ArrayList connections = new ArrayList();
public void testMultipleProducerBrokerRestarts() throws Exception {
for (int i = 0; i < 10; i++) {
testWithProducerBrokerRestart();
disposeConsumerConnections();
}
}
public void testWithoutRestarts() throws Exception {
startProducerBroker();
startConsumerBroker();
MessageConsumer consumer = createConsumer();
AtomicInteger counter = createConsumerCounter(producerConnectionFactory);
waitForConsumerToArrive(counter);
String messageId = sendMessage();
Message message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
}
public void testWithProducerBrokerRestart() throws Exception {
startProducerBroker();
startConsumerBroker();
MessageConsumer consumer = createConsumer();
AtomicInteger counter = createConsumerCounter(producerConnectionFactory);
waitForConsumerToArrive(counter);
String messageId = sendMessage();
Message message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
// Restart the first broker...
stopProducerBroker();
startProducerBroker();
counter = createConsumerCounter(producerConnectionFactory);
waitForConsumerToArrive(counter);
messageId = sendMessage();
message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
}
public void testWithConsumerBrokerRestart() throws Exception {
startProducerBroker();
startConsumerBroker();
MessageConsumer consumer = createConsumer();
AtomicInteger counter = createConsumerCounter(producerConnectionFactory);
waitForConsumerToArrive(counter);
String messageId = sendMessage();
Message message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
// Restart the first broker...
stopConsumerBroker();
waitForConsumerToLeave(counter);
startConsumerBroker();
consumer = createConsumer();
waitForConsumerToArrive(counter);
messageId = sendMessage();
message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
}
public void testWithConsumerBrokerStartDelay() throws Exception {
startConsumerBroker();
MessageConsumer consumer = createConsumer();
Thread.sleep(1000*5);
startProducerBroker();
AtomicInteger counter = createConsumerCounter(producerConnectionFactory);
waitForConsumerToArrive(counter);
String messageId = sendMessage();
Message message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
}
public void testWithProducerBrokerStartDelay() throws Exception {
startProducerBroker();
AtomicInteger counter = createConsumerCounter(producerConnectionFactory);
Thread.sleep(1000*5);
startConsumerBroker();
MessageConsumer consumer = createConsumer();
waitForConsumerToArrive(counter);
String messageId = sendMessage();
Message message = consumer.receive(1000);
assertEquals(messageId, message.getJMSMessageID());
assertNull( consumer.receiveNoWait() );
}
protected void setUp() throws Exception {
producerConnectionFactory = createProducerConnectionFactory();
consumerConnectionFactory = createConsumerConnectionFactory();
destination = new ActiveMQQueue("RECONNECT.TEST.QUEUE");
}
protected void tearDown() throws Exception {
disposeConsumerConnections();
try {
stopProducerBroker();
} catch (Throwable e) {
}
try {
stopConsumerBroker();
} catch (Throwable e) {
}
}
protected void disposeConsumerConnections() {
for (Iterator iter = connections.iterator(); iter.hasNext();) {
Connection connection = (Connection) iter.next();
try { connection.close(); } catch (Throwable ignore) {}
}
}
protected void startProducerBroker() throws Exception {
if( producerBroker==null ) {
producerBroker = createFirstBroker();
producerBroker.start();
}
}
protected void stopProducerBroker() throws Exception {
if( producerBroker!=null ) {
producerBroker.stop();
producerBroker=null;
}
}
protected void startConsumerBroker() throws Exception {
if( consumerBroker==null ) {
consumerBroker = createSecondBroker();
consumerBroker.start();
}
}
protected void stopConsumerBroker() throws Exception {
if( consumerBroker!=null ) {
consumerBroker.stop();
consumerBroker=null;
}
}
protected BrokerService createFirstBroker() throws Exception {
return BrokerFactory.createBroker(new URI("xbean:org/apache/activemq/network/reconnect-broker1.xml"));
}
protected BrokerService createSecondBroker() throws Exception {
return BrokerFactory.createBroker(new URI("xbean:org/apache/activemq/network/reconnect-broker2.xml"));
}
protected ActiveMQConnectionFactory createProducerConnectionFactory() {
return new ActiveMQConnectionFactory("vm://broker1");
}
protected ActiveMQConnectionFactory createConsumerConnectionFactory() {
return new ActiveMQConnectionFactory("vm://broker2");
}
protected String sendMessage() throws JMSException {
Connection connection = null;
try {
connection = producerConnectionFactory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(destination);
Message message = session.createMessage();
producer.send(message);
return message.getJMSMessageID();
} finally {
try { connection.close(); } catch (Throwable ignore) {}
}
}
protected MessageConsumer createConsumer() throws JMSException {
Connection connection = consumerConnectionFactory.createConnection();
connections.add(connection);
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
return session.createConsumer(destination);
}
protected AtomicInteger createConsumerCounter(ActiveMQConnectionFactory cf) throws Exception {
final AtomicInteger rc = new AtomicInteger(0);
Connection connection = cf.createConnection();
connections.add(connection);
connection.start();
ConsumerEventSource source = new ConsumerEventSource(connection, destination);
source.setConsumerListener(new ConsumerListener(){
public void onConsumerEvent(ConsumerEvent event) {
rc.set(event.getConsumerCount());
}
});
source.start();
return rc;
}
protected void waitForConsumerToArrive(AtomicInteger consumerCounter) throws InterruptedException {
for( int i=0; i < 100; i++ ) {
if( consumerCounter.get() > 0 ) {
return;
}
Thread.sleep(50);
}
fail("The consumer did not arrive.");
}
protected void waitForConsumerToLeave(AtomicInteger consumerCounter) throws InterruptedException {
for( int i=0; i < 100; i++ ) {
if( consumerCounter.get() == 0 ) {
return;
}
Thread.sleep(50);
}
fail("The consumer did not leave.");
}
}

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activemq-core/src/test/java/org/apache/activemq/network/SSHTunnelNetworkReconnectTest.java Normal file
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/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed 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.network;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.ArrayList;
import java.util.Iterator;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
/**
* Test network reconnects over SSH tunnels. This case can be especially tricky since the SSH tunnels
* fool the TCP transport into thinking that they are initially connected.
*
* @author chirino
*/
public class SSHTunnelNetworkReconnectTest extends NetworkReconnectTest {
ArrayList processes = new ArrayList();
protected BrokerService createFirstBroker() throws Exception {
return BrokerFactory.createBroker(new URI("xbean:org/apache/activemq/network/ssh-reconnect-broker1.xml"));
}
protected BrokerService createSecondBroker() throws Exception {
return BrokerFactory.createBroker(new URI("xbean:org/apache/activemq/network/ssh-reconnect-broker2.xml"));
}
protected void setUp() throws Exception {
startProcess("ssh -Nn -L60006:localhost:61616 localhost");
startProcess("ssh -Nn -L60007:localhost:61617 localhost");
super.setUp();
}
protected void tearDown() throws Exception {
super.tearDown();
for (Iterator iter = processes.iterator(); iter.hasNext();) {
Process p = (Process) iter.next();
p.destroy();
}
}
private void startProcess(String command) throws IOException {
final Process process = Runtime.getRuntime().exec(command);
processes.add(process);
new Thread("stdout: "+command){
public void run() {
try {
InputStream is = process.getInputStream();
int c;
while((c=is.read())>=0) {
System.out.write(c);
}
} catch (IOException e) {
}
}
}.start();
new Thread("stderr: "+command){
public void run() {
try {
InputStream is = process.getErrorStream();
int c;
while((c=is.read())>=0) {
System.err.write(c);
}
} catch (IOException e) {
}
}
}.start();
}
}

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activemq-core/src/test/resources/org/apache/activemq/network/reconnect-broker1.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2005-2006 The Apache Software Foundation
Licensed 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.
-->
<beans xmlns="http://activemq.org/config/1.0">
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<broker brokerName="broker1" persistent="false" useShutdownHook="false" useJmx="false">
<transportConnectors>
<transportConnector uri="tcp://localhost:61616"/>
<transportConnector uri="vm://broker1"/>
</transportConnectors>
<networkConnectors>
<networkConnector uri="static:(tcp://localhost:61617)"/>
</networkConnectors>
</broker>
</beans>

35
activemq-core/src/test/resources/org/apache/activemq/network/reconnect-broker2.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2005-2006 The Apache Software Foundation
Licensed 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.
-->
<beans xmlns="http://activemq.org/config/1.0">
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<broker brokerName="broker2" persistent="false" useShutdownHook="false" useJmx="false">
<transportConnectors>
<transportConnector uri="tcp://localhost:61617"/>
<transportConnector uri="vm://broker2"/>
</transportConnectors>
<networkConnectors>
<networkConnector uri="static:(tcp://localhost:61616)"/>
</networkConnectors>
</broker>
</beans>

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activemq-core/src/test/resources/org/apache/activemq/network/ssh-reconnect-broker1.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2005-2006 The Apache Software Foundation
Licensed 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.
-->
<beans xmlns="http://activemq.org/config/1.0">
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<broker brokerName="broker1" persistent="false" useShutdownHook="false" useJmx="false">
<transportConnectors>
<transportConnector uri="tcp://localhost:61616"/>
<transportConnector uri="vm://broker1"/>
</transportConnectors>
<networkConnectors>
<networkConnector uri="static:(tcp://localhost:60007)"/>
</networkConnectors>
</broker>
</beans>

35
activemq-core/src/test/resources/org/apache/activemq/network/ssh-reconnect-broker2.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2005-2006 The Apache Software Foundation
Licensed 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.
-->
<beans xmlns="http://activemq.org/config/1.0">
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<broker brokerName="broker2" persistent="false" useShutdownHook="false" useJmx="false">
<transportConnectors>
<transportConnector uri="tcp://localhost:61617"/>
<transportConnector uri="vm://broker2"/>
</transportConnectors>
<networkConnectors>
<networkConnector uri="static:(tcp://localhost:60006)"/>
</networkConnectors>
</broker>
</beans>