freeloaderforgetter.java

java语言开发的P2P流媒体系统

/* 
 * P2P-Radio - Peer to peer streaming system
 * Project homepage: http://p2p-radio.sourceforge.net/
 * Copyright (C) 2003-2004 Michael Kaufmann <[e-mail]>
 * 
 * ---------------------------------------------------------------------------
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * ---------------------------------------------------------------------------
 */

package p2pradio;

import p2pradio.logging.Logger;
import stream2stream.network.Peer;


/**
 * Wakes up all {@link #PERIOD} milliseconds and removes
 * some of its peer's freeloaders.
 * 
 * @author Michael Kaufmann
 */
public class FreeloaderForgetter extends Thread
{
	private Peer peer;
	private boolean shutdown;
	public static final int PERIOD = 5 * 60 * 1000; // 5 Minuten

	public FreeloaderForgetter(Peer peer)
	{
		super(Messages.getString("FreeloaderForgetter.THREAD_NAME")); //$NON-NLS-1$
		this.peer = peer;
		setDaemon(true);
		shutdown = false;
	}
	
	public void run()
	{
		try
		{
			Logger.finer("FreeloaderForgetter", "FreeloaderForgetter.THREAD_RUNNING"); //$NON-NLS-1$ //$NON-NLS-2$
			
			// Schlafen - arbeiten - schlafen...
			while(!shutdown)
			{
				try
				{
					sleep(PERIOD);
				}
				catch (InterruptedException e)
				{
				}
			
				Logger.finer("FreeloaderForgetter", "FreeloaderForgetter.FORGETTING_SOME_FREELOADERS"); //$NON-NLS-1$ //$NON-NLS-2$
			
				// F黵 jedes Kind einen Freeloader-Eintrag entfernen
				peer.forgetSomeFreeloaders();
			
			
				Logger.finer("FreeloaderForgetter", "FreeloaderForgetter.UNBANNING_SOME_PEERS"); //$NON-NLS-1$ //$NON-NLS-2$
			
				// Peers von der schwarzen Liste entfernen
				peer.forgetSomeBannedPeers();
			
			
				// Peer soll sich wieder normal verhalten
				// (Hat zwar nichts mit Freeloadern zu tun, passt aber
				// trotzdem gut in diesen Thread)
				for (int i=0; i < p2pradio.monitor.Commands.LAST_COMMAND; i++)
				{
					peer.setMisbehavior(i, false);
				}
			}
		}
		catch (Exception e)
		{
			Logger.severe("FreeloaderForgetter", "INTERNAL_ERROR", e); //$NON-NLS-1$ //$NON-NLS-2$
		}
	}
	public void shutdown()
	{
		shutdown = true;
		interrupt();
	}
}