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PRUDPPacketHandlerFactoryImpl.javaAPI DocAzureus 3.0.3.44602Tue Nov 28 18:55:36 GMT 2006com.aelitis.net.udp.uc.impl

PRUDPPacketHandlerFactoryImpl

public class PRUDPPacketHandlerFactoryImpl extends Object
author
parg

Fields Summary
private static Map
receiver_map
private static org.gudy.azureus2.core3.util.AEMonitor
class_mon
private static Map
releasable_map
private static Set
non_releasable_set
Constructors Summary
Methods Summary
public static com.aelitis.net.udp.uc.PRUDPPacketHandlergetHandler(int port, java.net.InetAddress bind_ip, com.aelitis.net.udp.uc.PRUDPRequestHandler request_handler)

	

	  
	
								
						
				
	
		final Integer	f_port = new Integer( port );

		try{
			class_mon.enter();
		
			non_releasable_set.add( f_port );
			
			PRUDPPacketHandlerImpl	receiver = (PRUDPPacketHandlerImpl)receiver_map.get( f_port );
			
			if ( receiver == null ){
				
				receiver = new PRUDPPacketHandlerImpl( port, bind_ip );
				
				receiver_map.put( f_port, receiver );
			}
			
				// only set the incoming request handler if one has been specified. This is important when
				// the port is shared (e.g. default udp tracker and dht) and only one usage has need to handle
				// unsolicited inbound requests as we don't want the tracker null handler to erase the dht's
				// one
			
			if ( request_handler != null ){
				
				receiver.setRequestHandler( request_handler );
			}
			
			return( receiver );
			
		}finally{
			
			class_mon.exit();
		}
	
public static com.aelitis.net.udp.uc.PRUDPReleasablePacketHandlergetReleasableHandler(int port, com.aelitis.net.udp.uc.PRUDPRequestHandler request_handler)

		final Integer	f_port = new Integer( port );
		
		try{
			class_mon.enter();
		
			PRUDPPacketHandlerImpl	receiver = (PRUDPPacketHandlerImpl)receiver_map.get( f_port );
			
			if ( receiver == null ){
				
				receiver = new PRUDPPacketHandlerImpl( port, null );
				
				receiver_map.put( f_port, receiver );
			}
			
				// only set the incoming request handler if one has been specified. This is important when
				// the port is shared (e.g. default udp tracker and dht) and only one usage has need to handle
				// unsolicited inbound requests as we don't want the tracker null handler to erase the dht's
				// one
			
			if ( request_handler != null ){
				
				receiver.setRequestHandler( request_handler );
			}
			
			final PRUDPPacketHandlerImpl f_receiver = receiver;
			
			final PRUDPReleasablePacketHandler rel = 
				new PRUDPReleasablePacketHandler()
				{
					public PRUDPPacketHandler
					getHandler()
					{
						return( f_receiver );
					}
					
					public void
					release()
					{
						try{
							class_mon.enter();
							
							List l = (List)releasable_map.get( f_port );
							
							if ( l == null ){
								
								Debug.out( "hmm" );
								
							}else{
								
								if ( !l.remove( this )){
									
									Debug.out( "hmm" );
									
								}else{
									
									if ( l.size() == 0 ){
										
										if ( !non_releasable_set.contains( f_port )){
										
											f_receiver.destroy();
											
											receiver_map.remove( f_port );
										}
										
										releasable_map.remove( f_port );
									}
								}
							}
						}finally{
							
							class_mon.exit();
						}
					}
				};
			
			List l = (List)releasable_map.get( f_port );
			
			if ( l == null ){
				
				l = new ArrayList();
				
				releasable_map.put( f_port, l );
			}
			
			l.add( rel );

			if ( l.size() > 1024 ){
				
				Debug.out( "things going wrong here" );
			}
			
			return( rel );
			
		}finally{
			
			class_mon.exit();
		}