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PRUDPTrackerCodecs.javaAPI DocAzureus 3.0.3.44668Wed Nov 29 11:15:30 GMT 2006org.gudy.azureus2.core3.tracker.protocol.udp

PRUDPTrackerCodecs

public class PRUDPTrackerCodecs extends Object
author
parg

Fields Summary
private static boolean
registered
Constructors Summary
Methods Summary
public static voidregisterCodecs()

	
	  
	
	
		if ( registered ){
			
			return;
		}
	
		registered	= true;
		
		PRUDPPacketReplyDecoder	reply_decoder =
			new PRUDPPacketReplyDecoder()
			{
				public PRUDPPacketReply
				decode(
					PRUDPPacketHandler	handler,
					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 );