/*
*
* 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.failure;
import junit.framework.TestCase;
import org.apache.qpid.test.utils.QpidClientConnectionHelper;
import org.apache.qpid.client.failover.FailoverException;
import org.apache.qpid.AMQException;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.log4j.Logger;
import javax.jms.JMSException;
import javax.jms.DeliveryMode;
import java.io.IOException;
/** Test Case provided by client Non-functional Test NF101: heap exhaustion behaviour */
public class HeapExhaustion extends TestCase
{
private static final Logger _logger = Logger.getLogger(HeapExhaustion.class);
protected QpidClientConnectionHelper conn;
protected final String BROKER = "localhost";
protected final String vhost = "/test";
protected final String queue = "direct://amq.direct//queue";
protected String hundredK;
protected String megabyte;
protected String generatePayloadOfSize(Integer numBytes)
{
return new String(new byte[numBytes]);
}
protected void setUp() throws Exception
{
conn = new QpidClientConnectionHelper(BROKER);
conn.setVirtualHost(vhost);
try
{
conn.connect();
} catch (JMSException e)
{
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
// clear queue
_logger.debug("setup: clearing test queue");
conn.consume(queue, 2000);
hundredK = generatePayloadOfSize(1024 * 100);
megabyte = generatePayloadOfSize(1024 * 1024);
}
protected void tearDown() throws Exception
{
conn.disconnect();
}
/**
* PUT at maximum rate (although we commit after each PUT) until failure
*
* @throws Exception on error
*/
public void testUntilFailureTransient() throws Exception
{
int copies = 0;
int total = 0;
String payload = hundredK;
int size = payload.getBytes().length;
while (true)
{
conn.put(queue, payload, 1, DeliveryMode.NON_PERSISTENT);
copies++;
total += size;
System.out.println("put copy " + copies + " OK for total bytes: " + total);
}
}
/**
* PUT at lower rate (5 per second) until failure
*
* @throws Exception on error
*/
public void testUntilFailureWithDelaysTransient() throws Exception
{
int copies = 0;
int total = 0;
String payload = hundredK;
int size = payload.getBytes().length;
while (true)
{
conn.put(queue, payload, 1, DeliveryMode.NON_PERSISTENT);
copies++;
total += size;
System.out.println("put copy " + copies + " OK for total bytes: " + total);
Thread.sleep(200);
}
}
public static void noDelay()
{
HeapExhaustion he = new HeapExhaustion();
try
{
he.setUp();
}
catch (Exception e)
{
_logger.info("Unable to connect");
System.exit(0);
}
try
{
_logger.info("Running testUntilFailure");
try
{
he.testUntilFailureTransient();
}
catch (FailoverException fe)
{
_logger.error("Caught failover:" + fe);
}
_logger.info("Finishing Connection ");
try
{
he.tearDown();
}
catch (JMSException jmse)
{
if (((AMQException) jmse.getLinkedException()).getErrorCode() == AMQConstant.REQUEST_TIMEOUT)
{
_logger.info("Successful test of testUntilFailure");
}
else
{
_logger.error("Test Failed due to:" + jmse);
}
}
}
catch (Exception e)
{
_logger.error("Test Failed due to:" + e);
}
}
public static void withDelay()
{
HeapExhaustion he = new HeapExhaustion();
try
{
he.setUp();
}
catch (Exception e)
{
_logger.info("Unable to connect");
System.exit(0);
}
try
{
_logger.info("Running testUntilFailure");
try
{
he.testUntilFailureWithDelaysTransient();
}
catch (FailoverException fe)
{
_logger.error("Caught failover:" + fe);
}
_logger.info("Finishing Connection ");
try
{
he.tearDown();
}
catch (JMSException jmse)
{
if (((AMQException) jmse.getLinkedException()).getErrorCode() == AMQConstant.REQUEST_TIMEOUT)
{
_logger.info("Successful test of testUntilFailure");
}
else
{
_logger.error("Test Failed due to:" + jmse);
}
}
}
catch (Exception e)
{
_logger.error("Test Failed due to:" + e);
}
}
public static void main(String args[])
{
noDelay();
try
{
System.out.println("Restart failed broker now to retest broker with delays in send.");
System.in.read();
}
catch (IOException e)
{
_logger.info("Continuing");
}
withDelay();
}
}