/**
* 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.transport.failover;
import javax.jms.DeliveryMode;
import javax.jms.MessageNotWriteableException;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.core.config.Configuration;
import org.apache.activemq.artemis.jms.server.config.impl.JMSConfigurationImpl;
import org.apache.activemq.artemis.jms.server.embedded.EmbeddedJMS;
import org.apache.activemq.broker.StubConnection;
import org.apache.activemq.broker.artemiswrapper.OpenwireArtemisBaseTest;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTextMessage;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageDispatch;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportFactory;
import org.apache.activemq.transport.TransportListener;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@RunWith(Parameterized.class)
public class FailoverTransportBrokerTest extends OpenwireArtemisBaseTest {
private static final Logger LOG = LoggerFactory.getLogger(FailoverTransportBrokerTest.class);
protected ArrayList<StubConnection> connections = new ArrayList<>();
protected long idGenerator;
protected int msgIdGenerator;
protected int maxWait = 10000;
public static final boolean FAST_NO_MESSAGE_LEFT_ASSERT = System.getProperty("FAST_NO_MESSAGE_LEFT_ASSERT", "true").equals("true");
@Parameterized.Parameters
public static Collection<Object[]> getParams() {
return Arrays.asList(new Object[][]{{Integer.valueOf(DeliveryMode.NON_PERSISTENT), new ActiveMQQueue("TEST")}, {Integer.valueOf(DeliveryMode.NON_PERSISTENT), new ActiveMQTopic("TEST")}, {Integer.valueOf(DeliveryMode.PERSISTENT), new ActiveMQQueue("TEST")}, {Integer.valueOf(DeliveryMode.PERSISTENT), new ActiveMQTopic("TEST")}});
}
private EmbeddedJMS server;
private EmbeddedJMS remoteServer;
public ActiveMQDestination destination;
public int deliveryMode;
public FailoverTransportBrokerTest(int deliveryMode, ActiveMQDestination destination) {
this.deliveryMode = deliveryMode;
this.destination = destination;
}
@Before
public void setUp() throws Exception {
Configuration config0 = createConfig(0);
server = new EmbeddedJMS().setConfiguration(config0).setJmsConfiguration(new JMSConfigurationImpl());
Configuration config1 = createConfig(1);
remoteServer = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
server.start();
remoteServer.start();
}
@After
public void tearDown() throws Exception {
for (StubConnection conn : connections) {
try {
conn.stop();
} catch (Exception e) {
}
}
try {
remoteServer.stop();
} catch (Exception e) {
}
try {
server.stop();
} catch (Exception e) {
}
}
protected StubConnection createConnection() throws Exception {
Transport transport = TransportFactory.connect(new URI(newURI(0)));
StubConnection connection = new StubConnection(transport);
connections.add(connection);
return connection;
}
protected StubConnection createRemoteConnection() throws Exception {
Transport transport = TransportFactory.connect(new URI(newURI(1)));
StubConnection connection = new StubConnection(transport);
connections.add(connection);
return connection;
}
protected ConnectionInfo createConnectionInfo() throws Exception {
ConnectionInfo info = new ConnectionInfo();
info.setConnectionId(new ConnectionId("connection:" + (++idGenerator)));
info.setClientId(info.getConnectionId().getValue());
return info;
}
protected SessionInfo createSessionInfo(ConnectionInfo connectionInfo) throws Exception {
SessionInfo info = new SessionInfo(connectionInfo, ++idGenerator);
return info;
}
protected ConsumerInfo createConsumerInfo(SessionInfo sessionInfo,
ActiveMQDestination destination) throws Exception {
ConsumerInfo info = new ConsumerInfo(sessionInfo, ++idGenerator);
info.setBrowser(false);
info.setDestination(destination);
info.setPrefetchSize(1000);
info.setDispatchAsync(false);
return info;
}
protected ProducerInfo createProducerInfo(SessionInfo sessionInfo) throws Exception {
ProducerInfo info = new ProducerInfo(sessionInfo, ++idGenerator);
return info;
}
protected Message createMessage(ProducerInfo producerInfo, ActiveMQDestination destination, int deliveryMode) {
Message message = createMessage(producerInfo, destination);
message.setPersistent(deliveryMode == DeliveryMode.PERSISTENT);
return message;
}
protected Message createMessage(ProducerInfo producerInfo, ActiveMQDestination destination) {
ActiveMQTextMessage message = new ActiveMQTextMessage();
message.setMessageId(new MessageId(producerInfo, ++msgIdGenerator));
message.setDestination(destination);
message.setPersistent(false);
try {
message.setText("Test Message Payload.");
} catch (MessageNotWriteableException e) {
}
return message;
}
public Message receiveMessage(StubConnection connection) throws InterruptedException {
return receiveMessage(connection, maxWait);
}
public Message receiveMessage(StubConnection connection, long timeout) throws InterruptedException {
while (true) {
Object o = connection.getDispatchQueue().poll(timeout, TimeUnit.MILLISECONDS);
if (o == null) {
return null;
}
if (o instanceof MessageDispatch) {
MessageDispatch dispatch = (MessageDispatch) o;
if (dispatch.getMessage() == null) {
return null;
}
dispatch.setMessage(dispatch.getMessage().copy());
dispatch.getMessage().setRedeliveryCounter(dispatch.getRedeliveryCounter());
return dispatch.getMessage();
}
}
}
protected void assertNoMessagesLeft(StubConnection connection) throws InterruptedException {
long wait = FAST_NO_MESSAGE_LEFT_ASSERT ? 0 : maxWait;
while (true) {
Object o = connection.getDispatchQueue().poll(wait, TimeUnit.MILLISECONDS);
if (o == null) {
return;
}
if (o instanceof MessageDispatch && ((MessageDispatch) o).getMessage() != null) {
Assert.fail("Received a message: " + ((MessageDispatch) o).getMessage().getMessageId());
}
}
}
@Test
public void testPublisherFailsOver() throws Exception {
// Start a normal consumer on the local broker
StubConnection connection1 = createConnection();
ConnectionInfo connectionInfo1 = createConnectionInfo();
SessionInfo sessionInfo1 = createSessionInfo(connectionInfo1);
ConsumerInfo consumerInfo1 = createConsumerInfo(sessionInfo1, destination);
connection1.send(connectionInfo1);
connection1.send(sessionInfo1);
connection1.request(consumerInfo1);
// Start a normal consumer on a remote broker
StubConnection connection2 = createRemoteConnection();
ConnectionInfo connectionInfo2 = createConnectionInfo();
SessionInfo sessionInfo2 = createSessionInfo(connectionInfo2);
ConsumerInfo consumerInfo2 = createConsumerInfo(sessionInfo2, destination);
connection2.send(connectionInfo2);
connection2.send(sessionInfo2);
connection2.request(consumerInfo2);
// Start a failover publisher.
LOG.info("Starting the failover connection.");
StubConnection connection3 = createFailoverConnection(null);
ConnectionInfo connectionInfo3 = createConnectionInfo();
SessionInfo sessionInfo3 = createSessionInfo(connectionInfo3);
ProducerInfo producerInfo3 = createProducerInfo(sessionInfo3);
connection3.send(connectionInfo3);
connection3.send(sessionInfo3);
connection3.send(producerInfo3);
// Send the message using the fail over publisher.
connection3.request(createMessage(producerInfo3, destination, deliveryMode));
// The message will be sent to one of the brokers.
FailoverTransport ft = connection3.getTransport().narrow(FailoverTransport.class);
// See which broker we were connected to.
StubConnection connectionA;
StubConnection connectionB;
EmbeddedJMS serverA;
if (new URI(newURI(0)).equals(ft.getConnectedTransportURI())) {
connectionA = connection1;
connectionB = connection2;
serverA = server;
} else {
connectionA = connection2;
connectionB = connection1;
serverA = remoteServer;
}
Assert.assertNotNull(receiveMessage(connectionA));
assertNoMessagesLeft(connectionB);
// Dispose the server so that it fails over to the other server.
LOG.info("Disconnecting the active connection");
serverA.stop();
connection3.request(createMessage(producerInfo3, destination, deliveryMode));
Assert.assertNotNull(receiveMessage(connectionB));
assertNoMessagesLeft(connectionA);
}
public void testNoBrokersInBrokerInfo() throws Exception {
final BrokerInfo info[] = new BrokerInfo[1];
TransportListener listener = new TransportListener() {
@Override
public void onCommand(Object command) {
LOG.info("Got command: " + command);
if (command instanceof BrokerInfo) {
info[0] = (BrokerInfo) command;
}
}
@Override
public void onException(IOException error) {
//To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void transportInterupted() {
//To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void transportResumed() {
//To change body of implemented methods use File | Settings | File Templates.
}
};
@SuppressWarnings("unused")
StubConnection c = createFailoverConnection(listener);
int count = 0;
while (count++ < 20 && info[0] == null) {
TimeUnit.SECONDS.sleep(1);
}
Assert.assertNotNull("got a valid brokerInfo after 20 secs", info[0]);
Assert.assertNull("no peer brokers present", info[0].getPeerBrokerInfos());
}
protected StubConnection createFailoverConnection(TransportListener listener) throws Exception {
URI failoverURI = new URI("failover://" + newURI(0) + "," + newURI(1) + "");
Transport transport = TransportFactory.connect(failoverURI);
StubConnection connection = new StubConnection(transport, listener);
connections.add(connection);
return connection;
}
}