/**
* Copyright 2008-2010 Grid Dynamics Consulting Services, Inc.
*
* Licensed 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 com.griddynamics.gridkit.coherence.patterns.message.benchmark.queue;
import static com.griddynamics.gridkit.coherence.patterns.benchmark.GeneralHelper.sysOut;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicInteger;
import com.griddynamics.gridkit.coherence.patterns.benchmark.Dispatcher;
import com.griddynamics.gridkit.coherence.patterns.benchmark.executionmark.MessageExecutionMark;
import com.griddynamics.gridkit.coherence.patterns.benchmark.speedlimit.SpeedLimit;
import com.griddynamics.gridkit.coherence.patterns.message.benchmark.BenchmarkMessage;
import com.griddynamics.gridkit.coherence.patterns.message.benchmark.PatternFacade;
import com.oracle.coherence.common.identifiers.Identifier;
import com.oracle.coherence.patterns.messaging.Subscriber;
import com.oracle.coherence.patterns.messaging.exceptions.SubscriberInterruptedException;
import com.tangosol.net.CacheFactory;
import com.tangosol.net.Invocable;
import com.tangosol.net.InvocationService;
import com.tangosol.net.Member;
public final class QueueBenchmarkWorker implements Invocable, Serializable
{
private static final long serialVersionUID = -3397451888740243886L;
private final QueueBenchmarkParams params;
private final Map<Member,List<Identifier>> sendQueuesMap;
private final Map<Member,List<Identifier>> receiveQueuesMap;
public QueueBenchmarkWorker(QueueBenchmarkParams params,
Map<Member, List<Identifier>> sendQueuesMap,
Map<Member, List<Identifier>> receiveQueuesMap)
{
this.params = params;
this.sendQueuesMap = sendQueuesMap;
this.receiveQueuesMap = receiveQueuesMap;
}
private transient Member localMember;
private transient PatternFacade facade;
private transient Identifier[] sendQueues;
private transient Identifier[] receiveQueues;
private transient ConcurrentLinkedQueue<MessageExecutionMark> workerResult;
private transient SpeedLimit senderSpeedLimit;
private transient SpeedLimit receiverSpeedLimit;
private transient CyclicBarrier startBarrier;
private transient CountDownLatch finishLatch;
private transient AtomicInteger messagesReceived;
@Override
public void run()
{
try
{
facade = PatternFacade.DefaultFacade.getInstance();
workerResult = new ConcurrentLinkedQueue<MessageExecutionMark>();
localMember = CacheFactory.getCluster().getLocalMember();
sendQueues = sendQueuesMap.get(localMember).toArray(new Identifier[0]);
receiveQueues = receiveQueuesMap.get(localMember).toArray(new Identifier[0]);
senderSpeedLimit = SpeedLimit.SpeedLimitHelper.getSpeedLimit(params.getSenderSpeedLimit());
receiverSpeedLimit = SpeedLimit.SpeedLimitHelper.getSpeedLimit(params.getReceiverSpeedLimit());
//Latch for count sends and receives
startBarrier = new CyclicBarrier(params.getSenderThreadsCount() + receiveQueues.length * params.getReceiverThreadsCount());
finishLatch = new CountDownLatch(params.getSenderThreadsCount() + 1);
ExecutorService sendService = Executors.newFixedThreadPool(params.getSenderThreadsCount());
ExecutorService receiveService = Executors.newFixedThreadPool(receiveQueues.length * params.getReceiverThreadsCount());
for(int i = 0; i < params.getSenderThreadsCount(); ++i)
{
sendService.submit(new Sender(i));
}
messagesReceived = new AtomicInteger(0);
for (int i = 0; i < receiveQueues.length; ++i)
{
for (int t = 0; t < params.getReceiverThreadsCount(); ++t)
receiveService.submit(new Receiver(i));
}
finishLatch.await();
sendService.shutdown();
receiveService.shutdownNow();
}
catch (Throwable t)
{
sysOut("-------- Exception on QueueBenchmarkWorker.run() --------");
t.printStackTrace();
System.exit(1);
}
if (Dispatcher.gcInWorker)
System.gc();
}
@Override
public Object getResult()
{
return workerResult.toArray(new MessageExecutionMark[0]);
}
private final class Sender implements Callable<Void>
{
private final long id;
public Sender(long id) { this.id = id * 1000000; }
@Override
public Void call() throws Exception
{
try
{
startBarrier.await();
Random rnd = new Random(System.currentTimeMillis());
int messagesCount = params.getMessagesPerThread();
while (messagesCount-- > 0)
{
senderSpeedLimit.accure();
facade.publishMessage(sendQueues[rnd.nextInt(sendQueues.length)], (new BenchmarkMessage(id + messagesCount)).send());
}
finishLatch.countDown();
}
catch (Throwable t)
{
sysOut("-------- Exception on QueueBenchmarkWorker.Sender.call() --------");
t.printStackTrace();
System.exit(1);
}
return null;
}
}
private final class Receiver implements Callable<Void>
{
private final Subscriber subscriber;
private final int queueID;
public Receiver(int queueID)
{
this.queueID = queueID;
this.subscriber = facade.subscribe(receiveQueues[this.queueID]);
}
@Override
public Void call() throws Exception
{
try
{
startBarrier.await();
while (true)
{
receiverSpeedLimit.accure();
workerResult.add(((BenchmarkMessage)subscriber.getMessage()).receive());
if (messagesReceived.incrementAndGet() == params.getMessagesPerThread() * params.getSenderThreadsCount())
{
finishLatch.countDown();
return null;
}
}
}
catch (SubscriberInterruptedException allMessagesReceived)
{
sysOut("++++++++ Exiting on QueueBenchmarkWorker.Receiver.call(). All messages received. ++++++++");
}
catch (Throwable t)
{
sysOut("-------- Exception on QueueBenchmarkWorker.Receiver.call() --------");
t.printStackTrace();
System.exit(1);
}
finally
{
subscriber.unsubscribe();
}
return null;
}
}
@Override
public void init(InvocationService paramInvocationService)
{
}
}