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package org.apache.qpid.perftests.dlq.client;
import static org.apache.qpid.perftests.dlq.client.Config.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import org.apache.qpid.perftests.dlq.test.PerformanceTest;
public class Receiver extends Client
{
private MessageConsumer _consumer;
private boolean _listener;
private int _reject;
private int _rejectCount;
private Map<Integer, Integer> _rejected = new HashMap<Integer, Integer>();
private int _receivedCount = 0;
private static volatile boolean _stopped;
private static CountDownLatch _finished;
private static AtomicInteger _id;
private static AtomicInteger _totalReceivedCount;
private static AtomicInteger _totalConsumedCount;
private static AtomicInteger _rejectedCount;
private static int _consumedCheck;
private static int _rejectedCheck;
public Receiver(Properties props)
{
super(props);
_client = String.format("%04d", _id.incrementAndGet());
}
public static void reset()
{
_id = new AtomicInteger(0);
_totalReceivedCount = new AtomicInteger(0);
_totalConsumedCount = new AtomicInteger(0);
_rejectedCount = new AtomicInteger(0);
_finished = new CountDownLatch(1);
_stopped = false;
}
public synchronized void start() throws Exception
{
_listener = Boolean.parseBoolean(_props.getProperty(LISTENER));
_reject = Integer.parseInt(_props.getProperty(REJECT));
_rejectCount = Integer.parseInt(_props.getProperty(REJECT_COUNT));
boolean sessionOk = (_transacted || _clientAck) ||
((_sessionType == Session.AUTO_ACKNOWLEDGE || _sessionType == Session.DUPS_OK_ACKNOWLEDGE) && _listener);
_rejectedCheck = (!sessionOk || _messageIds || _maxRedelivery == 0 || _rejectCount < _maxRedelivery) ? 0 : _count / _reject;
_consumedCheck = (_count - _rejectedCheck); // + (sessionOk ? ((_count / _reject) * _rejectCount) : 0);
_consumer = _session.createConsumer(_queue);
_connection.start();
}
public void startListener() throws Exception
{
_consumer.setMessageListener(new MessageListener()
{
public void onMessage(Message msg)
{
processMessage(msg);
}
});
}
public void startReceiver() throws Exception
{
while (!_stopped)
{
Message msg = _consumer.receive(1000);
if (msg != null)
{
processMessage(msg);
}
}
}
public void processMessage(Message msg)
{
try
{
_totalReceivedCount.incrementAndGet();
int number = msg.getIntProperty("number");
if (number % 100 == 0)
{
_log.debug("client " + _client + " got message " + number);
}
boolean rejectMessage = (number % _reject) == 0;
if (rejectMessage)
{
int rejectCount = 0;
if (!_rejected.containsKey(number))
{
_rejected.put(number, 0);
}
rejectCount = _rejected.get(number) + 1;
_rejected.put(number, rejectCount);
if (rejectCount <= _rejectCount)
{
if (rejectCount == _maxRedelivery)
{
_rejectedCount.incrementAndGet();
_log.debug("client " + _client + " rejecting message (" + rejectCount + ") " + msg.getJMSMessageID());
}
if (rejectCount > _maxRedelivery)
{
throw new RuntimeException("client " + _client + " received message " + msg.getJMSMessageID() +
" " + rejectCount + " times");
}
if (_transacted)
{
_session.rollback();
}
else
{
_session.recover();
}
}
else
{
rejectMessage = false;
}
}
if (!rejectMessage)
{
_receivedCount++;
_totalConsumedCount.incrementAndGet();
if (_transacted)
{
_session.commit();
}
else if (_clientAck)
{
msg.acknowledge();
}
}
if (_totalConsumedCount.get() >= _consumedCheck && _rejectedCount.get() >= _rejectedCheck)
{
_log.debug("stopping receivers after " + _totalConsumedCount.get() + " received and " + _rejectedCount.get() + " rejected");
_stopped = true;
_finished.countDown();
}
}
catch (Exception e)
{
_log.error("failed to process message", e);
_stopped = true;
_finished.countDown();
}
}
public Integer call() throws Exception
{
start();
if (_listener)
{
startListener();
}
else
{
startReceiver();
}
_finished.await();
PerformanceTest.countDown();
return _receivedCount;
}
public static int getTotalReceivedCount()
{
return _totalReceivedCount.get();
}
public static int getConsumedCheck()
{
return _consumedCheck;
}
public static int getRejectedCheck()
{
return _rejectedCheck;
}
}
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