/*
* Created on 21-Jan-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.protocol.udp;
import java.io.*;
import java.util.*;
import java.net.*;
import com.aelitis.net.udp.uc.PRUDPPacketHandler;
import com.aelitis.net.udp.uc.PRUDPPacketReply;
import com.aelitis.net.udp.uc.PRUDPPacketReplyDecoder;
import com.aelitis.net.udp.uc.PRUDPPacketRequest;
import com.aelitis.net.udp.uc.PRUDPPacketRequestDecoder;
/**
* @author parg
*
*/
public class
PRUDPTrackerCodecs
{
private static boolean registered = false;
public static void
registerCodecs()
{
if ( registered ){
return;
}
registered = true;
PRUDPPacketReplyDecoder reply_decoder =
new PRUDPPacketReplyDecoder()
{
public PRUDPPacketReply
decode(
PRUDPPacketHandler handler,
InetSocketAddress originator,
DataInputStream is,
int action,
int transaction_id )
throws IOException
{
switch( action ){
case PRUDPPacketTracker.ACT_REPLY_CONNECT:
{
return( new PRUDPPacketReplyConnect(is, transaction_id));
}
case PRUDPPacketTracker.ACT_REPLY_ANNOUNCE:
{
if ( PRUDPPacketTracker.VERSION == 1 ){
return( new PRUDPPacketReplyAnnounce(is, transaction_id));
}else{
return( new PRUDPPacketReplyAnnounce2(is, transaction_id));
}
}
case PRUDPPacketTracker.ACT_REPLY_SCRAPE:
{
if ( PRUDPPacketTracker.VERSION == 1 ){
return( new PRUDPPacketReplyScrape(is, transaction_id));
}else{
return( new PRUDPPacketReplyScrape2(is, transaction_id));
}
}
case PRUDPPacketTracker.ACT_REPLY_ERROR:
{
return( new PRUDPPacketReplyError(is, transaction_id));
}
default:
{
throw( new IOException( "Unrecognised action '" + action + "'" ));
}
}
}
};
Map reply_decoders = new HashMap();
reply_decoders.put( new Integer( PRUDPPacketTracker.ACT_REPLY_CONNECT ), reply_decoder );
reply_decoders.put( new Integer( PRUDPPacketTracker.ACT_REPLY_ANNOUNCE ), reply_decoder );
reply_decoders.put( new Integer( PRUDPPacketTracker.ACT_REPLY_SCRAPE ), reply_decoder );
reply_decoders.put( new Integer( PRUDPPacketTracker.ACT_REPLY_ERROR ), reply_decoder );
PRUDPPacketReply.registerDecoders( reply_decoders );
PRUDPPacketRequestDecoder request_decoder =
new PRUDPPacketRequestDecoder()
{
public PRUDPPacketRequest
decode(
PRUDPPacketHandler handler,
DataInputStream is,
long connection_id,
int action,
int transaction_id )
throws IOException
{
switch( action ){
case PRUDPPacketTracker.ACT_REQUEST_CONNECT:
{
return( new PRUDPPacketRequestConnect(is, connection_id,transaction_id));
}
case PRUDPPacketTracker.ACT_REQUEST_ANNOUNCE:
{
if ( PRUDPPacketTracker.VERSION == 1 ){
return( new PRUDPPacketRequestAnnounce(is, connection_id,transaction_id));
}else{
return( new PRUDPPacketRequestAnnounce2(is, connection_id,transaction_id));
}
}
case PRUDPPacketTracker.ACT_REQUEST_SCRAPE:
{
return( new PRUDPPacketRequestScrape(is, connection_id,transaction_id));
}
default:
{
throw( new IOException( "unsupported request type"));
}
}
}
};
Map request_decoders = new HashMap();
request_decoders.put( new Integer( PRUDPPacketTracker.ACT_REQUEST_CONNECT ), request_decoder );
request_decoders.put( new Integer( PRUDPPacketTracker.ACT_REQUEST_ANNOUNCE ), request_decoder );
request_decoders.put( new Integer( PRUDPPacketTracker.ACT_REQUEST_SCRAPE ), request_decoder );
PRUDPPacketRequest.registerDecoders( request_decoders );
}
}