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/*
* 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.qpid.server.store.berkeleydb;
import java.io.File;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.jms.Connection;
import javax.jms.Session;
import org.apache.log4j.Logger;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.jms.ConnectionListener;
import org.apache.qpid.jms.ConnectionURL;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
import com.sleepycat.je.rep.ReplicationConfig;
/**
* The HA black box tests test the BDB cluster as a opaque unit. Client connects to
* the cluster via a failover url
*
* @see HAClusterWhiteboxTest
*/
public class HAClusterBlackboxTest extends QpidBrokerTestCase
{
protected static final Logger LOGGER = Logger.getLogger(HAClusterBlackboxTest.class);
private static final String VIRTUAL_HOST = "test";
private static final int NUMBER_OF_NODES = 3;
private final HATestClusterCreator _clusterCreator = new HATestClusterCreator(this, VIRTUAL_HOST, NUMBER_OF_NODES);
private FailoverAwaitingListener _failoverAwaitingListener;
private ConnectionURL _brokerFailoverUrl;
@Override
protected void setUp() throws Exception
{
_brokerType = BrokerType.SPAWNED;
assertTrue(isJavaBroker());
assertTrue(isBrokerStorePersistent());
setSystemProperty("java.util.logging.config.file", "etc" + File.separator + "log.properties");
_clusterCreator.configureClusterNodes();
_brokerFailoverUrl = _clusterCreator.getConnectionUrlForAllClusterNodes();
_clusterCreator.startCluster();
_failoverAwaitingListener = new FailoverAwaitingListener();
super.setUp();
}
@Override
public void startBroker() throws Exception
{
// Don't start default broker provided by QBTC.
}
public void testLossOfMasterNodeCausesClientToFailover() throws Exception
{
final Connection connection = getConnection(_brokerFailoverUrl);
((AMQConnection)connection).setConnectionListener(_failoverAwaitingListener);
final int activeBrokerPort = _clusterCreator.getBrokerPortNumberFromConnection(connection);
LOGGER.info("Active connection port " + activeBrokerPort);
_clusterCreator.stopNode(activeBrokerPort);
LOGGER.info("Node is stopped");
_failoverAwaitingListener.assertFailoverOccurs(20000);
LOGGER.info("Listener has finished");
// any op to ensure connection remains
connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
}
public void testLossOfReplicaNodeDoesNotCauseClientToFailover() throws Exception
{
LOGGER.info("Connecting to " + _brokerFailoverUrl);
final Connection connection = getConnection(_brokerFailoverUrl);
LOGGER.info("Got connection to cluster");
((AMQConnection)connection).setConnectionListener(_failoverAwaitingListener);
final int activeBrokerPort = _clusterCreator.getBrokerPortNumberFromConnection(connection);
LOGGER.info("Active connection port " + activeBrokerPort);
final int inactiveBrokerPort = _clusterCreator.getPortNumberOfAnInactiveBroker(connection);
LOGGER.info("Stopping inactive broker on port " + inactiveBrokerPort);
_clusterCreator.stopNode(inactiveBrokerPort);
_failoverAwaitingListener.assertFailoverDoesNotOccur(2000);
// any op to ensure connection remains
connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
}
private final class FailoverAwaitingListener implements ConnectionListener
{
private final CountDownLatch _failoverLatch = new CountDownLatch(1);
@Override
public boolean preResubscribe()
{
return true;
}
@Override
public boolean preFailover(boolean redirect)
{
return true;
}
public void assertFailoverOccurs(long delay) throws InterruptedException
{
_failoverLatch.await(delay, TimeUnit.MILLISECONDS);
assertEquals("Failover did not occur", 0, _failoverLatch.getCount());
}
public void assertFailoverDoesNotOccur(long delay) throws InterruptedException
{
_failoverLatch.await(delay, TimeUnit.MILLISECONDS);
assertEquals("Failover occurred unexpectedly", 1L, _failoverLatch.getCount());
}
@Override
public void failoverComplete()
{
_failoverLatch.countDown();
}
@Override
public void bytesSent(long count)
{
}
@Override
public void bytesReceived(long count)
{
}
}
}
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