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.network;
  
  import java.io.IOException;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.ArrayList;
  import java.util.Iterator;
  
  import org.apache.activemq.broker.BrokerFactory;
  import org.apache.activemq.broker.BrokerRegistry;
  import org.apache.activemq.broker.BrokerService;
  import org.apache.activemq.broker.BrokerTestSupport;
  import org.apache.activemq.broker.StubConnection;
  import org.apache.activemq.broker.TransportConnector;
  import org.apache.activemq.store.PersistenceAdapter;
  import org.apache.activemq.store.memory.MemoryPersistenceAdapter;
  import org.apache.activemq.transport.Transport;
  import org.apache.activemq.transport.TransportFactory;
  import org.apache.activemq.usage.SystemUsage;
  
  public class NetworkTestSupport extends BrokerTestSupport {
  
     protected ArrayList<StubConnection> connections = new ArrayList<>();
  
     protected TransportConnector connector;
  
     protected PersistenceAdapter remotePersistenceAdapter;
     protected BrokerService remoteBroker;
     protected SystemUsage remoteMemoryManager;
     protected TransportConnector remoteConnector;
     protected boolean useJmx = false;
  
     @Override
     protected void setUp() throws Exception {
        super.setUp();
  
        remotePersistenceAdapter = createRemotePersistenceAdapter(true);
        remoteBroker = createRemoteBroker(remotePersistenceAdapter);
        remoteConnector = createRemoteConnector();
        remoteBroker.addConnector(remoteConnector);
        BrokerRegistry.getInstance().bind("remotehost", remoteBroker);
        remoteBroker.start();
     }
  
     @Override
     protected BrokerService createBroker() throws Exception {
        BrokerService broker = BrokerFactory.createBroker(new URI("broker:()/localhost?persistent=false&useJmx=false&"));
        connector = createConnector();
        broker.addConnector(connector);
        broker.setUseJmx(useJmx);
        return broker;
     }
  
     protected TransportConnector createRemoteConnector() throws Exception, IOException, URISyntaxException {
        return new TransportConnector(TransportFactory.bind(new URI(getRemoteURI())));
     }
  
     protected TransportConnector createConnector() throws Exception, IOException, URISyntaxException {
        return new TransportConnector(TransportFactory.bind(new URI(getLocalURI())));
     }
  
     protected String getRemoteURI() {
        return "vm://remotehost";
     }
  
     protected String getLocalURI() {
        return "vm://localhost";
     }
  
     protected PersistenceAdapter createRemotePersistenceAdapter(boolean clean) throws Exception {
        if (remotePersistenceAdapter == null || clean) {
           remotePersistenceAdapter = new MemoryPersistenceAdapter();
        }
        return remotePersistenceAdapter;
     }
  
     protected BrokerService createRemoteBroker(PersistenceAdapter persistenceAdapter) throws Exception {
        BrokerService answer = new BrokerService();
        answer.setBrokerName("remote");
        answer.setUseJmx(useJmx);
        answer.setPersistenceAdapter(persistenceAdapter);
        return answer;
     }
  
     @Override
     protected StubConnection createConnection() throws Exception {
        Transport transport = TransportFactory.connect(connector.getServer().getConnectURI());
        StubConnection connection = new StubConnection(transport);
        connections.add(connection);
        return connection;
     }
  
     protected StubConnection createRemoteConnection() throws Exception {
        Transport transport = TransportFactory.connect(remoteConnector.getServer().getConnectURI());
        StubConnection connection = new StubConnection(transport);
        connections.add(connection);
        return connection;
     }
  
     protected Transport createTransport() throws Exception {
        Transport transport = TransportFactory.connect(connector.getServer().getConnectURI());
        return transport;
     }
  
     protected Transport createRemoteTransport() throws Exception {
        Transport transport = TransportFactory.connect(remoteConnector.getServer().getConnectURI());
        return transport;
     }
  
     /**
      * Simulates a broker restart. The memory based persistence adapter is reused so that it does not "loose" it's
      * "persistent" messages.
      */
     protected void restartRemoteBroker() throws Exception {
  
        BrokerRegistry.getInstance().unbind("remotehost");
        remoteConnector.stop();
  
        remoteBroker.stop();
        remotePersistenceAdapter.stop();
        remotePersistenceAdapter = createRemotePersistenceAdapter(false);
        remotePersistenceAdapter.start();
  
        remoteBroker = createRemoteBroker(remotePersistenceAdapter);
        remoteBroker.addConnector(getRemoteURI());
        remoteBroker.start();
        BrokerRegistry.getInstance().bind("remotehost", remoteBroker);
     }
  
     @Override
     protected void tearDown() throws Exception {
        for (Iterator<StubConnection> iter = connections.iterator(); iter.hasNext(); ) {
           StubConnection connection = iter.next();
           connection.stop();
           iter.remove();
        }
  
        BrokerRegistry.getInstance().unbind("remotehost");
        remoteConnector.stop();
        connector.stop();
  
        remoteBroker.stop();
        remoteBroker.waitUntilStopped();
        remotePersistenceAdapter.stop();
        super.tearDown();
     }
  
  }
  