/*
* File : TrackerImpl.java
* Created : 08-Dec-2003
* By : parg
*
* Azureus - a Java Bittorrent client
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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 org.gudy.azureus2.pluginsimpl.local.tracker;
/**
* @author parg
*
*/
import java.net.InetAddress;
import java.net.URL;
import java.util.*;
import org.gudy.azureus2.plugins.tracker.*;
import org.gudy.azureus2.plugins.tracker.web.*;
import org.gudy.azureus2.plugins.torrent.*;
import org.gudy.azureus2.pluginsimpl.local.torrent.*;
import org.gudy.azureus2.core3.tracker.host.*;
import org.gudy.azureus2.core3.tracker.util.TRTrackerUtils;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.Debug;
public class
TrackerImpl
extends TrackerWCHelper
implements Tracker, TRHostListener2, TRHostAuthenticationListener
{
private static TrackerImpl singleton;
private static AEMonitor class_mon = new AEMonitor( "Tracker" );
private List listeners = new ArrayList();
private TRHost host;
private List<TrackerAuthenticationListener> auth_listeners = new ArrayList<TrackerAuthenticationListener>();
public static Tracker
getSingleton()
{
try{
class_mon.enter();
if ( singleton == null ){
singleton = new TrackerImpl( TRHostFactory.getSingleton());
}
return( singleton );
}finally{
class_mon.exit();
}
}
protected
TrackerImpl(
TRHost _host )
{
setTracker( this );
host = _host;
host.addListener2( this );
}
public String
getName()
{
return( host.getName());
}
public void
setEnableKeepAlive(
boolean enable )
{
Debug.out( "Keep alive setting ignored for tracker" );
}
public URL[]
getURLs()
{
URL[][] url_sets = TRTrackerUtils.getAnnounceURLs();
URL[] res = new URL[url_sets.length];
for (int i=0;i<res.length;i++){
res[i] = url_sets[i][0];
}
return( res );
}
public InetAddress
getBindIP()
{
return( host.getBindIP());
}
public TrackerTorrent
host(
Torrent _torrent,
boolean _persistent )
throws TrackerException
{
return( host( _torrent, _persistent, false ));
}
public TrackerTorrent
host(
Torrent _torrent,
boolean _persistent,
boolean _passive )
throws TrackerException
{
TorrentImpl torrent = (TorrentImpl)_torrent;
try{
return( new TrackerTorrentImpl( host.hostTorrent( torrent.getTorrent(), _persistent, _passive )));
}catch( Throwable e ){
throw( new TrackerException( "Tracker: host operation fails", e ));
}
}
public TrackerTorrent
publish(
Torrent _torrent)
throws TrackerException
{
TorrentImpl torrent = (TorrentImpl)_torrent;
try{
return( new TrackerTorrentImpl( host.publishTorrent( torrent.getTorrent() )));
}catch( Throwable e ){
throw( new TrackerException( "Tracker: publish operation fails", e ));
}
}
public TrackerTorrent[]
getTorrents()
{
TRHostTorrent[] hts = host.getTorrents();
TrackerTorrent[] res = new TrackerTorrent[hts.length];
for (int i=0;i<hts.length;i++){
res[i] = new TrackerTorrentImpl(hts[i]);
}
return( res );
}
public TrackerTorrent
getTorrent(
Torrent torrent )
{
TRHostTorrent ht = host.getHostTorrent(((TorrentImpl)torrent).getTorrent());
if ( ht == null ){
return( null );
}
return( new TrackerTorrentImpl( ht ));
}
public TrackerWebContext
createWebContext(
int port,
int protocol )
throws TrackerException
{
return( new TrackerWebContextImpl( this, null, port, protocol, null ));
}
public TrackerWebContext
createWebContext(
String name,
int port,
int protocol )
throws TrackerException
{
return( new TrackerWebContextImpl( this, name, port, protocol, null ));
}
public TrackerWebContext
createWebContext(
String name,
int port,
int protocol,
InetAddress bind_ip )
throws TrackerException
{
return( new TrackerWebContextImpl( this, name, port, protocol, bind_ip ));
}
public void
torrentAdded(
TRHostTorrent t )
{
try{
this_mon.enter();
for (int i=0;i<listeners.size();i++){
((TrackerListener)listeners.get(i)).torrentAdded(new TrackerTorrentImpl(t));
}
}finally{
this_mon.exit();
}
}
public void
torrentChanged(
TRHostTorrent t )
{
for (int i=0;i<listeners.size();i++){
((TrackerListener)listeners.get(i)).torrentChanged(new TrackerTorrentImpl(t));
}
}
public void
torrentRemoved(
TRHostTorrent t )
{
try{
this_mon.enter();
for (int i=0;i<listeners.size();i++){
((TrackerListener)listeners.get(i)).torrentRemoved(new TrackerTorrentImpl(t));
}
}finally{
this_mon.exit();
}
}
public void
addListener(
TrackerListener listener )
{
try{
this_mon.enter();
listeners.add( listener );
TrackerTorrent[] torrents = getTorrents();
for (int i=0;i<torrents.length;i++){
listener.torrentAdded( torrents[i]);
}
}finally{
this_mon.exit();
}
}
public void
removeListener(
TrackerListener listener )
{
try{
this_mon.enter();
listeners.remove( listener );
}finally{
this_mon.exit();
}
}
public boolean
authenticate(
String headers,
URL resource,
String user,
String password )
{
for (int i=0;i<auth_listeners.size();i++){
try{
TrackerAuthenticationListener listener = auth_listeners.get(i);
boolean res;
if ( listener instanceof TrackerAuthenticationAdapter ){
res = ((TrackerAuthenticationAdapter)listener).authenticate( headers, resource, user, password );
}else{
res = listener.authenticate( resource, user, password );
}
if ( res ){
return(true );
}
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
return( false );
}
public byte[]
authenticate(
URL resource,
String user )
{
for (int i=0;i<auth_listeners.size();i++){
try{
byte[] res = ((TrackerAuthenticationListener)auth_listeners.get(i)).authenticate( resource, user );
if ( res != null ){
return( res );
}
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
return( null );
}
public void
addAuthenticationListener(
TrackerAuthenticationListener l )
{
try{
this_mon.enter();
auth_listeners.add(l);
if ( auth_listeners.size() == 1 ){
host.addAuthenticationListener( this );
}
}finally{
this_mon.exit();
}
}
public void
removeAuthenticationListener(
TrackerAuthenticationListener l )
{
try{
this_mon.enter();
auth_listeners.remove(l);
if ( auth_listeners.size() == 0 ){
host.removeAuthenticationListener( this );
}
}finally{
this_mon.exit();
}
}
public void
destroy()
{
super.destroy();
auth_listeners.clear();
host.removeAuthenticationListener( this );
listeners.clear();
host.close();
}
}