/*
* Created on 14-Feb-2005
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* 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.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.core3.tracker.client.impl.bt;
import java.net.URL;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.tracker.client.TRTrackerAnnouncer;
import org.gudy.azureus2.core3.tracker.client.TRTrackerScraperResponse;
import org.gudy.azureus2.core3.tracker.client.impl.TRTrackerScraperImpl;
import org.gudy.azureus2.core3.tracker.client.impl.TRTrackerScraperResponseImpl;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.TorrentUtils;
import org.gudy.azureus2.plugins.download.DownloadScrapeResult;
/**
* @author parg
*
*/
public class
TRTrackerBTScraperImpl
{
protected static TRTrackerBTScraperImpl singleton;
protected static AEMonitor class_mon = new AEMonitor( "TRTrackerBTScraper" );
private TRTrackerScraperImpl scraper;
private TrackerChecker tracker_checker;
public static TRTrackerBTScraperImpl
create(
TRTrackerScraperImpl _scraper )
{
try{
class_mon.enter();
if ( singleton == null ){
singleton = new TRTrackerBTScraperImpl( _scraper );
}
return( singleton );
}finally{
class_mon.exit();
}
}
protected
TRTrackerBTScraperImpl(
TRTrackerScraperImpl _scraper )
{
scraper = _scraper;
tracker_checker = new TrackerChecker( this );
}
protected TRTrackerScraperImpl
getScraper()
{
return( scraper );
}
public void
setScrape(
TOTorrent torrent,
URL url,
DownloadScrapeResult result )
{
if ( torrent != null && result != null ){
TRTrackerScraperResponseImpl resp = tracker_checker.getHashData( torrent, url );
URL result_url = result.getURL();
boolean update_is_dht = TorrentUtils.isDecentralised( result_url );
// only override details if underlying scrape is failing or this is an update
// to an existing dht-backup result
if ( resp != null &&
( resp.getStatus() == TRTrackerScraperResponse.ST_ERROR ||
( resp.isDHTBackup() && update_is_dht ))){
resp.setDHTBackup( update_is_dht );
resp.setScrapeStartTime( result.getScrapeStartTime());
// leave nextScrapeStartTime alone as we still want the existing
// scraping mechanism to kick in and check the torrent's tracker
resp.setStatus(
result.getResponseType()==DownloadScrapeResult.RT_SUCCESS?
TRTrackerScraperResponse.ST_ONLINE:
TRTrackerScraperResponse.ST_ERROR,
result.getStatus() + " (" + (update_is_dht?MessageText.getString( "dht.backup.only" ):(result_url==null?"<null>":result_url.getHost())) + ")");
// call this last before dispatching listeners as it does another dispatch by itself ~~
resp.setSeedsPeers( result.getSeedCount(), result.getNonSeedCount());
scraper.scrapeReceived( resp );
}
}
}
public TRTrackerScraperResponse
scrape(
TOTorrent torrent,
URL target_url,
boolean force )
{
if (torrent == null){
return null;
}
if ( force ){
tracker_checker.syncUpdate( torrent, target_url );
}
TRTrackerScraperResponse res = tracker_checker.getHashData( torrent, target_url );
// System.out.println( "scrape: " + torrent + " -> " + (res==null?"null":""+res.getSeeds()));
return( res );
}
public TRTrackerScraperResponse
peekScrape(
TOTorrent torrent,
URL target_url )
{
if ( torrent == null ){
return null;
}
TRTrackerScraperResponse res = tracker_checker.peekHashData( torrent, target_url );
return( res );
}
public TRTrackerScraperResponse
scrape(
TRTrackerAnnouncer tracker_client )
{
TRTrackerScraperResponse res = tracker_checker.getHashData( tracker_client );
// System.out.println( "scrape: " + tracker_client + " -> " + (res==null?"null":""+res.getSeeds()));
return( res );
}
public void
remove(
TOTorrent torrent )
{
tracker_checker.removeHash( torrent );
}
}