MulticastDiscoveryOnFaultyNetworkTest.java

/**
 * 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.
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package org.apache.activemq.usecases;

import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.TextMessage;
import java.net.URI;
import java.util.List;

import junit.framework.Test;

import org.apache.activemq.JmsMultipleBrokersTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.network.DiscoveryNetworkConnector;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.util.MessageIdList;

public class MulticastDiscoveryOnFaultyNetworkTest extends JmsMultipleBrokersTestSupport {

   protected static final int MESSAGE_COUNT = 200;
   private static final String HUB = "HubBroker";
   private static final String SPOKE = "SpokeBroker";
   public boolean useDuplexNetworkBridge = true;
   public boolean useStaticDiscovery = false;

   public void initCombosForTestSendOnAFaultyTransport() {
      addCombinationValues("useDuplexNetworkBridge", new Object[]{Boolean.TRUE, Boolean.FALSE});
      addCombinationValues("useStaticDiscovery", new Object[]{Boolean.TRUE, Boolean.FALSE});
   }

   public void testSendOnAFaultyTransport() throws Exception {
      bridgeBrokers(SPOKE, HUB);

      startAllBrokers();

      // Setup destination
      Destination dest = createDestination("TEST.FOO", false);

      // Setup consumers
      MessageConsumer client = createConsumer(HUB, dest);

      // allow subscription information to flow back to Spoke
      sleep(600);

      // Send messages
      sendMessages(SPOKE, dest, MESSAGE_COUNT);

      MessageIdList msgs = getConsumerMessages(HUB, client);
      msgs.setMaximumDuration(200000L);
      msgs.waitForMessagesToArrive(MESSAGE_COUNT);

      assertTrue("At least message " + MESSAGE_COUNT +
                    " must be received, duplicates are expected, count=" + msgs.getMessageCount(), MESSAGE_COUNT <= msgs.getMessageCount());
   }

   @Override
   protected void startAllBrokers() throws Exception {
      // Ensure HUB is started first so bridge will be active from the get go
      BrokerItem brokerItem = brokers.get(HUB);
      brokerItem.broker.start();
      brokerItem = brokers.get(SPOKE);
      brokerItem.broker.start();
   }

   @Override
   public void setUp() throws Exception {
      super.setAutoFail(true);
      super.setUp();
      final String options = "?persistent=false&useJmx=false&deleteAllMessagesOnStartup=true";
      createBroker(new URI("broker:(tcpfaulty://localhost:61617)/" + HUB + options));
      createBroker(new URI("broker:(tcpfaulty://localhost:61616)/" + SPOKE + options));
   }

   public static Test suite() {
      return suite(MulticastDiscoveryOnFaultyNetworkTest.class);
   }

   @Override
   protected void onSend(int i, TextMessage msg) {
      sleep(50);
   }

   private void sleep(int milliSecondTime) {
      try {
         Thread.sleep(milliSecondTime);
      } catch (InterruptedException igonred) {
      }
   }

   @Override
   protected NetworkConnector bridgeBrokers(BrokerService localBroker,
                                            BrokerService remoteBroker,
                                            boolean dynamicOnly,
                                            int networkTTL,
                                            boolean conduit,
                                            boolean failover) throws Exception {
      String networkDisoveryUrlString = useStaticDiscovery ? "static:(" + remoteBroker.getTransportConnectors().get(0).getPublishableConnectString() + ")?useExponentialBackOff=false" : "multicast://default?group=TESTERIC&useLocalHost=false";

      DiscoveryNetworkConnector connector = new DiscoveryNetworkConnector(new URI(networkDisoveryUrlString));
      connector.setDynamicOnly(dynamicOnly);
      connector.setNetworkTTL(networkTTL);
      connector.setDuplex(useDuplexNetworkBridge);
      maxSetupTime = 2000;
      if (!useStaticDiscovery) {
         List<TransportConnector> transportConnectors = remoteBroker.getTransportConnectors();
         if (!transportConnectors.isEmpty()) {
            TransportConnector mCastTrpConnector = (transportConnectors.get(0));
            mCastTrpConnector.setDiscoveryUri(new URI("multicast://default?group=TESTERIC"));
         }
      }
      localBroker.addNetworkConnector(connector);
      return connector;
   }
}