/**
* 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 java.io.IOException;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import javax.jms.DeliveryMode;
import junit.framework.Test;
import org.apache.activemq.broker.StubConnection;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.network.NetworkTestSupport;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportFactory;
import org.apache.activemq.transport.TransportListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FailoverTransportBrokerTest extends NetworkTestSupport {
private static final Logger LOG = LoggerFactory.getLogger(FailoverTransportBrokerTest.class);
public ActiveMQDestination destination;
public int deliveryMode;
public void initCombosForTestPublisherFailsOver() {
addCombinationValues("deliveryMode", new Object[] {Integer.valueOf(DeliveryMode.NON_PERSISTENT), Integer.valueOf(DeliveryMode.PERSISTENT)});
addCombinationValues("destination", new Object[] {new ActiveMQQueue("TEST"), new ActiveMQTopic("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;
TransportConnector serverA;
if (connector.getServer().getConnectURI().equals(ft.getConnectedTransportURI())) {
connectionA = connection1;
connectionB = connection2;
serverA = connector;
} else {
connectionA = connection2;
connectionB = connection1;
serverA = remoteConnector;
}
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));
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);
}
assertNotNull("got a valid brokerInfo after 20 secs", info[0]);
assertNull("no peer brokers present", info[0].getPeerBrokerInfos());
}
@Override
protected String getLocalURI() {
return "tcp://localhost:0?wireFormat.tcpNoDelayEnabled=true";
}
@Override
protected String getRemoteURI() {
return "tcp://localhost:0?wireFormat.tcpNoDelayEnabled=true";
}
protected StubConnection createFailoverConnection(TransportListener listener) throws Exception {
URI failoverURI = new URI("failover://" + connector.getServer().getConnectURI() + "," + remoteConnector.getServer().getConnectURI() + "");
Transport transport = TransportFactory.connect(failoverURI);
StubConnection connection = new StubConnection(transport, listener);
connections.add(connection);
return connection;
}
public static Test suite() {
return suite(FailoverTransportBrokerTest.class);
}
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
}