| /** |
| * 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.assertNotEquals; |
| |
| import javax.jms.Connection; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.Session; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.JmsMultipleBrokersTestSupport; |
| import org.apache.activemq.broker.TransportConnection; |
| import org.apache.activemq.broker.TransportConnector; |
| import org.apache.activemq.command.ConnectionControl; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.core.io.ClassPathResource; |
| |
| public class ClientRebalanceTest extends JmsMultipleBrokersTestSupport { |
| private static final Logger LOG = LoggerFactory.getLogger(ClientRebalanceTest.class); |
| private static final String QUEUE_NAME = "Test.ClientRebalanceTest"; |
| |
| protected void setUp() throws Exception { |
| setAutoFail(true); |
| super.setUp(); |
| } |
| |
| |
| public void testRebalance() throws Exception { |
| createBroker(new ClassPathResource("org/apache/activemq/usecases/rebalance-broker1.xml")); |
| createBroker(new ClassPathResource("org/apache/activemq/usecases/rebalance-broker2.xml")); |
| |
| startAllBrokers(); |
| |
| brokers.get("b1").broker.waitUntilStarted(); |
| |
| LOG.info("Starting connection"); |
| |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("failover:(tcp://localhost:61616,tcp://localhost:61617)?randomize=false"); |
| Connection conn = factory.createConnection(); |
| conn.start(); |
| Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| Queue theQueue = session.createQueue(QUEUE_NAME); |
| MessageProducer producer = session.createProducer(theQueue); |
| MessageConsumer consumer = session.createConsumer(theQueue); |
| Message message = session.createTextMessage("Test message"); |
| producer.send(message); |
| Message msg = consumer.receive(2000); |
| assertNotNull(msg); |
| |
| // introduce third broker |
| createBroker(new ClassPathResource("org/apache/activemq/usecases/rebalance-broker3.xml")); |
| brokers.get("b3").broker.waitUntilStarted(); |
| |
| Thread.sleep(3000); |
| |
| LOG.info("Stopping broker 1"); |
| |
| brokers.get("b1").broker.stop(); |
| brokers.get("b1").broker.waitUntilStopped(); |
| |
| Thread.sleep(3000); |
| // should reconnect to some of the remaining brokers |
| producer.send(message); |
| msg = consumer.receive(2000); |
| assertNotNull(msg); |
| |
| LOG.info("Stopping broker 2"); |
| |
| brokers.get("b2").broker.stop(); |
| brokers.get("b2").broker.waitUntilStopped(); |
| |
| // should reconnect to broker3 |
| producer.send(message); |
| msg = consumer.receive(2000); |
| assertNotNull(msg); |
| } |
| |
| public void testReconnect() throws Exception { |
| createBroker(new ClassPathResource("org/apache/activemq/usecases/rebalance-broker1.xml")); |
| createBroker(new ClassPathResource("org/apache/activemq/usecases/rebalance-broker2.xml")); |
| |
| startAllBrokers(); |
| |
| brokers.get("b1").broker.waitUntilStarted(); |
| |
| LOG.info("Starting connection"); |
| |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("failover:(tcp://localhost:61616)?randomize=false"); |
| Connection conn = factory.createConnection(); |
| conn.start(); |
| Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| Queue theQueue = session.createQueue("Test.ClientReconnectTest"); |
| MessageProducer producer = session.createProducer(theQueue); |
| MessageConsumer consumer = session.createConsumer(theQueue); |
| Message message = session.createTextMessage("Test message"); |
| producer.send(message); |
| Message msg = consumer.receive(2000); |
| assertNotNull(msg); |
| |
| TransportConnector transportConnector = brokers.get("b1").broker.getTransportConnectorByName("openwire"); |
| assertNotNull(transportConnector); |
| |
| TransportConnection startFailoverConnection = findClientFailoverTransportConnection(transportConnector); |
| |
| assertNotNull(startFailoverConnection); |
| String startConnectionId = startFailoverConnection.getConnectionId(); |
| String startRemoteAddress = startFailoverConnection.getRemoteAddress(); |
| ConnectionControl simulateRebalance = new ConnectionControl(); |
| simulateRebalance.setReconnectTo("tcp://localhost:61616"); |
| startFailoverConnection.dispatchSync(simulateRebalance); |
| |
| Thread.sleep(2000l); |
| |
| TransportConnection afterFailoverConnection = findClientFailoverTransportConnection(transportConnector); |
| assertNotNull(afterFailoverConnection); |
| assertEquals(startConnectionId, afterFailoverConnection.getConnectionId()); |
| assertNotEquals(startRemoteAddress, afterFailoverConnection.getRemoteAddress()); |
| // should still be able to send without exception to broker3 |
| producer.send(message); |
| msg = consumer.receive(2000); |
| assertNotNull(msg); |
| conn.close(); |
| } |
| |
| protected TransportConnection findClientFailoverTransportConnection(TransportConnector transportConnector) { |
| TransportConnection failoverConnection = null; |
| for(TransportConnection tmpConnection : transportConnector.getConnections()) { |
| if(tmpConnection.isNetworkConnection()) { |
| continue; |
| } |
| if(tmpConnection.isFaultTolerantConnection()) { |
| failoverConnection = tmpConnection; |
| } |
| } |
| return failoverConnection; |
| } |
| } |