foul-magics/Mage.Server/src/main/java/mage/server/util/ThreadExecutor.java
2018-06-02 17:59:49 +02:00

92 lines
3.6 KiB
Java

package mage.server.util;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public enum ThreadExecutor {
instance;
private static final ExecutorService callExecutor = Executors.newCachedThreadPool();
private static final ExecutorService userExecutor = Executors.newCachedThreadPool();
private static final ExecutorService gameExecutor = Executors.newFixedThreadPool(ConfigSettings.instance.getMaxGameThreads());
private static final ScheduledExecutorService timeoutExecutor = Executors.newScheduledThreadPool(4);
private static final ScheduledExecutorService timeoutIdleExecutor = Executors.newScheduledThreadPool(4);
/**
* noxx: what the settings below do is setting the ability to keep OS
* threads for new games for 60 seconds If there is no new game created
* within this time period, the thread may be discarded. But anyway if new
* game is created later, new OS/java thread will be created for it taking
* MaxGameThreads limit into account.
*
* This all is done for performance reasons as creating new OS threads is
* resource consuming process.
*/
static {
((ThreadPoolExecutor) callExecutor).setKeepAliveTime(60, TimeUnit.SECONDS);
((ThreadPoolExecutor) callExecutor).allowCoreThreadTimeOut(true);
((ThreadPoolExecutor) callExecutor).setThreadFactory(new XMageThreadFactory("CALL"));
((ThreadPoolExecutor) userExecutor).setKeepAliveTime(60, TimeUnit.SECONDS);
((ThreadPoolExecutor) userExecutor).allowCoreThreadTimeOut(true);
((ThreadPoolExecutor) userExecutor).setThreadFactory(new XMageThreadFactory("USER"));
((ThreadPoolExecutor) gameExecutor).setKeepAliveTime(60, TimeUnit.SECONDS);
((ThreadPoolExecutor) gameExecutor).allowCoreThreadTimeOut(true);
((ThreadPoolExecutor) gameExecutor).setThreadFactory(new XMageThreadFactory("GAME"));
((ThreadPoolExecutor) timeoutExecutor).setKeepAliveTime(60, TimeUnit.SECONDS);
((ThreadPoolExecutor) timeoutExecutor).allowCoreThreadTimeOut(true);
((ThreadPoolExecutor) timeoutExecutor).setThreadFactory(new XMageThreadFactory("TIMEOUT"));
((ThreadPoolExecutor) timeoutIdleExecutor).setKeepAliveTime(60, TimeUnit.SECONDS);
((ThreadPoolExecutor) timeoutIdleExecutor).allowCoreThreadTimeOut(true);
((ThreadPoolExecutor) timeoutIdleExecutor).setThreadFactory(new XMageThreadFactory("TIMEOUT_IDLE"));
}
public int getActiveThreads(ExecutorService executerService) {
if (executerService instanceof ThreadPoolExecutor) {
return ((ThreadPoolExecutor) executerService).getActiveCount();
}
return -1;
}
public ExecutorService getCallExecutor() {
return callExecutor;
}
public ExecutorService getGameExecutor() {
return gameExecutor;
}
public ScheduledExecutorService getTimeoutExecutor() {
return timeoutExecutor;
}
public ScheduledExecutorService getTimeoutIdleExecutor() {
return timeoutIdleExecutor;
}
}
class XMageThreadFactory implements ThreadFactory {
private final String prefix;
XMageThreadFactory(String prefix) {
this.prefix = prefix;
}
@Override
public Thread newThread(Runnable r) {
Thread thread = new Thread(r);
thread.setName(prefix + ' ' + thread.getThreadGroup().getName() + '-' + thread.getId());
return thread;
}
}