/**
* 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.topic;
import static com.griddynamics.gridkit.coherence.patterns.benchmark.GeneralHelper.sysOut;
import java.io.Serializable;
import java.util.ArrayList;
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;
import com.tangosol.util.WrapperException;
public class TopicBenchmarkWorker implements Invocable, Serializable
{
private static final long serialVersionUID = -5536673473796824919L;
private final TopicBenchmarkParams params;
private final List<Identifier> allTopics;
private final Map<Member,List<Identifier>> allReceiveTopics;
private transient Member localMember;
private transient PatternFacade facade;
private transient List<Identifier> sendTopics;
private transient List<Identifier> receiveTopics;
private transient ConcurrentLinkedQueue<MessageExecutionMark> workerResult;
private transient SpeedLimit senderSpeedLimit;
private transient CyclicBarrier startBarrier;
private transient CountDownLatch finishLatch;
private transient int poisonPillsToReceive;
private transient AtomicInteger poisonPillsReceived;
//TODO private final static long startWaitTimeOut = 10;
public TopicBenchmarkWorker(TopicBenchmarkParams params,
List<Identifier> allTopics,
Map<Member, List<Identifier>> allReceiveTopics)
{
this.params = params;
this.allTopics = allTopics;
this.allReceiveTopics = allReceiveTopics;
}
@Override
public void run()
{
try
{
facade = PatternFacade.DefaultFacade.getInstance();
workerResult = new ConcurrentLinkedQueue<MessageExecutionMark>();
localMember = CacheFactory.getCluster().getLocalMember();
receiveTopics = allReceiveTopics.get(localMember);
sendTopics = new ArrayList<Identifier>(allTopics);
sendTopics.removeAll(receiveTopics);
senderSpeedLimit = SpeedLimit.SpeedLimitHelper.getSpeedLimit(params.getSenderSpeedLimit());
startBarrier = new CyclicBarrier(receiveTopics.size() * params.getReceiverThreadsCount() + params.getSenderThreadsCount());
finishLatch = new CountDownLatch(params.getSenderThreadsCount() + 1);
poisonPillsReceived = new AtomicInteger(0); // last factor is member count in benchmark
poisonPillsToReceive = receiveTopics.size() * params.getSenderThreadsCount() * params.getReceiverThreadsCount() * allReceiveTopics.size();
ExecutorService sendService = Executors.newFixedThreadPool(params.getSenderThreadsCount());
ExecutorService receiveService = Executors.newFixedThreadPool(receiveTopics.size() * params.getReceiverThreadsCount());
for(int i = 0; i < params.getSenderThreadsCount(); ++i)
{
sendService.submit(new Sender(i));
}
for (int i = 0; i < receiveTopics.size(); ++i)
{
for (int t = 0; t < params.getReceiverThreadsCount(); ++t)
{
System.out.println("Sending reciver " + (i+t));
receiveService.submit(new Receiver(i));
}
}
finishLatch.await();
sendService.shutdown();
receiveService.shutdownNow();
}
catch (Throwable t)
{
sysOut("-------- Exception on TopicBenchmarkWorker.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(sendTopics.get(rnd.nextInt(sendTopics.size())), (new BenchmarkMessage(id + messagesCount)).send());
}
//Sending poison pills
for (Identifier t : allTopics)
{
facade.publishMessage(t, (new BenchmarkMessage(0, true)).send());
}
finishLatch.countDown();
}
catch (Throwable t)
{
sysOut("-------- Exception on TopicBenchmarkWorker.Sender.call() --------");
t.printStackTrace();
System.exit(1);
}
return null;
}
}
private final class Receiver implements Callable<Void>
{
private final Subscriber subscriber;
private final int topicID;
public Receiver(int topicID)
{
this.topicID = topicID;
this.subscriber = facade.subscribe(receiveTopics.get(this.topicID));
}
@Override
public Void call() throws Exception
{
try
{
//TODO maybe pause is needed to wait other members to subscribe
startBarrier.await();
while (true)
{
BenchmarkMessage m = (BenchmarkMessage)subscriber.getMessage();
workerResult.add(m.receive());
if (m.isPoisonPill())
{
int i = poisonPillsReceived.incrementAndGet();
System.out.println("Recived pill " + i + " needed " + poisonPillsToReceive);
if (i == poisonPillsToReceive)
{
finishLatch.countDown();
return null;
}
}
}
}
catch (WrapperException allMessagesReceived)
{
sysOut("1+++++++ Exiting on TopicBenchmarkWorker.Receiver.call(). All messages received. ++++++++");
}
catch (SubscriberInterruptedException allMessagesReceived)
{
sysOut("2+++++++ Exiting on TopicBenchmarkWorker.Receiver.call(). All messages received. ++++++++");
}
catch (Throwable t)
{
sysOut(t.getClass().toString());
sysOut("-------- Exception on TopicBenchmarkWorker.Receiver.call() --------");
t.printStackTrace();
System.exit(1);
}
finally
{
subscriber.unsubscribe();
}
return null;
}
}
@Override
public void init(InvocationService paramInvocationService)
{
}
}