content: /*
   * 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.Connection;
  import javax.jms.MessageConsumer;
  import javax.jms.Queue;
  import javax.jms.Session;
  import java.net.URI;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.ActiveMQConnection;
  import org.apache.activemq.ActiveMQConnectionFactory;
  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.artemiswrapper.OpenwireArtemisBaseTest;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  public class FailoverClusterTest extends OpenwireArtemisBaseTest {
  
     private static final int NUMBER = 10;
     private String clientUrl;
  
     private final List<ActiveMQConnection> connections = new ArrayList<>();
     EmbeddedJMS server1;
     EmbeddedJMS server2;
  
     @Before
     public void setUp() throws Exception {
        Map<String, String> params = new HashMap<>();
  
        params.put("rebalanceClusterClients", "true");
        params.put("updateClusterClients", "true");
  
        Configuration config1 = createConfig("localhost", 1, params);
        Configuration config2 = createConfig("localhost", 2, params);
  
        deployClusterConfiguration(config1, 2);
        deployClusterConfiguration(config2, 1);
  
        server1 = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
        server2 = new EmbeddedJMS().setConfiguration(config2).setJmsConfiguration(new JMSConfigurationImpl());
  
        clientUrl = "failover://(" + newURI(1) + "," + newURI(2) + ")";
     }
  
     @After
     public void tearDown() throws Exception {
        for (Connection c : connections) {
           c.close();
        }
        server1.stop();
        server2.stop();
     }
  
     @Test
     public void testClusterConnectedAfterClients() throws Exception {
        server1.start();
        createClients();
        Set<String> set = new HashSet<>();
        server2.start();
        Assert.assertTrue(server1.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
        Assert.assertTrue(server2.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
  
        Thread.sleep(3000);
  
        for (ActiveMQConnection c : connections) {
           System.out.println("======> adding address: " + c.getTransportChannel().getRemoteAddress());
           set.add(c.getTransportChannel().getRemoteAddress());
        }
        System.out.println("============final size: " + set.size());
        Assert.assertTrue(set.size() > 1);
     }
  
     //this test seems the same as the above one as long as artemis broker
     //is concerned.
     @Test
     public void testClusterURIOptionsStrip() throws Exception {
        server1.start();
  
        createClients();
        server2.start();
        Assert.assertTrue(server1.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
        Assert.assertTrue(server2.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
  
        Thread.sleep(3000);
  
        Set<String> set = new HashSet<>();
        for (ActiveMQConnection c : connections) {
           set.add(c.getTransportChannel().getRemoteAddress());
        }
        Assert.assertTrue(set.size() > 1);
     }
  
     @Test
     public void testClusterConnectedBeforeClients() throws Exception {
  
        server1.start();
        server2.start();
        Assert.assertTrue(server1.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
        Assert.assertTrue(server2.waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
  
        createClients();
        server1.stop();
        Thread.sleep(1000);
  
        URI brokerBURI = new URI(newURI(2));
        for (ActiveMQConnection c : connections) {
           String addr = c.getTransportChannel().getRemoteAddress();
           Assert.assertTrue(addr.indexOf("" + brokerBURI.getPort()) > 0);
        }
     }
  
     protected void createClients() throws Exception {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(clientUrl);
        for (int i = 0; i < NUMBER; i++) {
           System.out.println("*****create connection using url: " + clientUrl);
           ActiveMQConnection c = (ActiveMQConnection) factory.createConnection();
           System.out.println("got connection, starting it ...");
           c.start();
           System.out.println("******Started");
           Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
           Queue queue = s.createQueue(getClass().getName());
           MessageConsumer consumer = s.createConsumer(queue);
           connections.add(c);
        }
     }
  }
  