upnpimpl.java

这是一个基于java编写的torrent的P2P源码

			}
		}catch( Throwable e ){
				
			adapter.log( e );

			if (e instanceof UPnPException ){
				
				throw((UPnPException)e);
			}
			
			throw( new UPnPException( "Root device location '" + url + "' - data read failed", e ));
		}	
	}
	
	protected boolean
	forceDirect()
	{
		String	http_proxy 	= System.getProperty( "http.proxyHost" );
		String	socks_proxy = System.getProperty( "socksProxyHost" );

			// extremely unlikely we want to proxy upnp requests
		
		boolean force_direct = 	( http_proxy != null && http_proxy.trim().length() > 0 ) ||
								( socks_proxy != null && socks_proxy.trim().length() > 0 );

		return( force_direct );
	}
	
	public SimpleXMLParserDocument
	performSOAPRequest(
		UPnPService		service,
		String			soap_action,
		String			request )
	
		throws SimpleXMLParserDocumentException, UPnPException, IOException
	{
		SimpleXMLParserDocument	res;
				
		if ( service.getDirectInvocations() || forceDirect()){
			
			res = performSOAPRequest( service, soap_action, request, false );

		}else{
			
			try{
				res =  performSOAPRequest( service, soap_action, request, true );
					
				http_calls_ok++;
				
			}catch( IOException e ){
				
				res = performSOAPRequest( service, soap_action, request, false );
				
				direct_calls_ok++;
				
				if ( direct_calls_ok == 1 ){
					
					log( "Invocation via http connection failed (" + e.getMessage() + ") but socket connection succeeded" );
				}
			}
		}
		
		return( res );
	}
	
	public SimpleXMLParserDocument
	performSOAPRequest(
		UPnPService		service,
		String			soap_action,
		String			request,
		boolean			use_http_connection )
	
		throws SimpleXMLParserDocumentException, UPnPException, IOException
	{
		URL	control = service.getControlURL();
		
		adapter.trace( "UPnP:Request: -> " + control + "," + request );

		if ( use_http_connection ){
			
			HttpURLConnection	con = (HttpURLConnection)control.openConnection();
			
			con.setRequestProperty( "SOAPAction", "\""+ soap_action + "\"");
			
			con.setRequestProperty( "Content-Type", "text/xml; charset=\"utf-8\"" );
			
			con.setRequestProperty( "User-Agent", "Azureus (UPnP/1.0)" );
			
			con.setRequestMethod( "POST" );
			
			con.setDoInput( true );
			con.setDoOutput( true );
			
			OutputStream	os = con.getOutputStream();
			
			PrintWriter	pw = new PrintWriter( new OutputStreamWriter(os, "UTF-8" ));
						
			pw.println( request );
			
			pw.flush();
	
			con.connect();
			
			if ( con.getResponseCode() == 405 || con.getResponseCode() == 500 ){
				
					// gotta retry with M-POST method
								
				con = (HttpURLConnection)control.openConnection();
				
				con.setRequestProperty( "Content-Type", "text/xml; charset=\"utf-8\"" );
				
				con.setRequestMethod( "M-POST" );
				
				con.setRequestProperty( "MAN", "\"http://schemas.xmlsoap.org/soap/envelope/\"; ns=01" );
	
				con.setRequestProperty( "01-SOAPACTION", "\""+ soap_action + "\"");
				
				con.setDoInput( true );
				con.setDoOutput( true );
				
				os = con.getOutputStream();
				
				pw = new PrintWriter( new OutputStreamWriter(os, "UTF-8" ));
							
				pw.println( request );
				
				pw.flush();
	
				con.connect();
			
				return( parseXML(con.getInputStream()));	
				
			}else{
				
				return( parseXML(con.getInputStream()));
			}
		}else{
	
			Socket	socket = new Socket(control.getHost(), control.getPort());
			
			try{
				PrintWriter	pw = new PrintWriter(new OutputStreamWriter( socket.getOutputStream(), "UTF8" ));
			
				String	url_target = control.toString();
				
				int	p1 	= url_target.indexOf( "://" ) + 3;
				p1		= url_target.indexOf( "/", p1 );
				
				url_target = url_target.substring( p1 );
				
				pw.print( "POST " + url_target + " HTTP/1.1" + NL );
				pw.print( "Content-Type: text/xml; charset=\"utf-8\"" + NL );
				pw.print( "SOAPAction: \"" + soap_action + "\"" + NL );
				pw.print( "User-Agent: Azureus (UPnP/1.0)" + NL );
				pw.print( "Host: " + control.getHost() + NL );
				pw.print( "Content-Length: " + request.getBytes( "UTF8" ).length + NL );
				pw.print( "Connection: Keep-Alive" + NL );
				pw.print( "Pragma: no-cache" + NL + NL );
	
				pw.print( request );
				
				pw.flush();
				
				InputStream	is = socket.getInputStream();
				
				String	reply_header = "";
				
				while(true){
					
					byte[]	buffer = new byte[1];
					
					if ( is.read( buffer ) <= 0 ){
						
						throw( new IOException( "Premature end of input stream" ));
					}
					
					reply_header += (char)buffer[0];
					
					if ( reply_header.endsWith( NL+NL )){
						
						break;
					}
				}
				
				p1 = reply_header.indexOf( NL );
				
				String	first_line = reply_header.substring( 0, p1 ).trim();
				
				if ( first_line.indexOf( "200" ) == -1 ){
					
					throw( new IOException( "HTTP request failed:" + first_line ));
				}
				
				return( parseXML( is ));
				
			}finally{
				
				try{
					socket.close();
					
				}catch( Throwable e ){
					
					Debug.printStackTrace(e);
				}
			}
		}
	}
	
	protected File
	getTraceFile()
	{
		try{
			this_mon.enter();
		
			trace_index++;
			
			if ( trace_index == 6 ){
				
				trace_index = 1;
			}
			
			return( new File( adapter.getTraceDir(), "upnp_trace" + trace_index + ".log" ));
		}finally{
			
			this_mon.exit();
		}
	}
	
	public UPnPAdapter
	getAdapter()
	{
		return( adapter );
	}
	
	public void
	reportActivity(
		ResourceDownloader	downloader,
		String				activity )
	{
		log( activity );
	}
		
	public void
	failed(
		ResourceDownloader			downloader,
		ResourceDownloaderException e )
	{
		log( e );
	}
	
	public void
	log(
		Throwable e )
	{
		log( e.toString());
	}
	
	public void
	log(
		String	str )
	{
		List	old_listeners;
		
		try{
			this_mon.enter();

			old_listeners = new ArrayList(log_listeners);

			log_history.add( str );
			
			if ( log_history.size() > 32 ){
				
				log_history.remove(0);
			}
		}finally{
			
			this_mon.exit();
		}
		
		for (int i=0;i<old_listeners.size();i++){
	
			((UPnPLogListener)old_listeners.get(i)).log( str );
		}
	}
	
	public void
	logAlert(
		String	str,
		boolean	error,
		int		type )
	{
		List	old_listeners;
		
		try{
			this_mon.enter();

			old_listeners = new ArrayList(log_listeners);

			log_alert_history.add(new Object[]{ str, new Boolean( error ), new Integer( type )});
			
			if ( log_alert_history.size() > 32 ){
				
				log_alert_history.remove(0);
			}
		}finally{
			
			this_mon.exit();
		}
		
		for (int i=0;i<old_listeners.size();i++){
	
			((UPnPLogListener)old_listeners.get(i)).logAlert( str, error, type );
		}
	}
	
	public void
	addLogListener(
		UPnPLogListener	l )
	{
		List	old_logs;
		List	old_alerts;
		
		try{
			this_mon.enter();

			old_logs 	= new ArrayList(log_history);
			old_alerts 	= new ArrayList(log_alert_history);

			log_listeners.add( l );
		}finally{
			
			this_mon.exit();
		}
		
		for (int i=0;i<old_logs.size();i++){
			
			l.log((String)old_logs.get(i));
		}
		
		for (int i=0;i<old_alerts.size();i++){
			
			Object[]	entry = (Object[])old_alerts.get(i);
			
			l.logAlert((String)entry[0], ((Boolean)entry[1]).booleanValue(), ((Integer)entry[2]).intValue());
		}
	}
		
	public void
	removeLogListener(
		UPnPLogListener	l )
	{
		log_listeners.remove( l );
	}
	
	public void
	addRootDeviceListener(
		UPnPListener	l )
	{
		List	old_locations;
		
		try{
			this_mon.enter();

			old_locations = new ArrayList(root_locations.values());

			rd_listeners.add( l );
			
		}finally{
			
			this_mon.exit();
		}
		
		for (int i=0;i<old_locations.size();i++){
			
			UPnPRootDevice	device = (UPnPRootDevice)old_locations.get(i);
			
			try{
				
				if ( l.deviceDiscovered( device.getUSN(), device.getLocation())){
					
					l.rootDeviceFound(device);
				}
				
			}catch( Throwable e ){
				
				Debug.printStackTrace(e);
			}
		}
	}
		
	public void
	removeRootDeviceListener(
		UPnPListener	l )
	{
		try{
			this_mon.enter();

			rd_listeners.remove( l );
			
		}finally{
			
			this_mon.exit();
		}
	}
	
	public static void
	main(
		String[]		args )
	{
		try{
			UPnP	upnp = UPnPFactory.getSingleton(null,null);	// won't work with null ....
				
			upnp.addRootDeviceListener(
					new UPnPListener()
					{
						public boolean
						deviceDiscovered(
							String		USN,
							URL			location )
						{
							return( true );
						}
						
						public void
						rootDeviceFound(
							UPnPRootDevice		device )
						{
							try{
								processDevice( device.getDevice() );
								
							}catch( Throwable e ){
								
								e.printStackTrace();
							}
						}						
					});
			
			upnp.addLogListener(
				new UPnPLogListener()
				{
					public void
					log(
						String	str )
					{
						System.out.println( str );
					}
					public void
					logAlert(
						String	str,
						boolean	error,
						int		type )
					{
						System.out.println( str );
					}

				});
			
			Thread.sleep(20000);
			
		}catch( Throwable e ){
			
			e.printStackTrace();
		}
	}
	
	protected static void
	processDevice(
		UPnPDevice	device )
	
		throws UPnPException
	{
		if ( device.getDeviceType().equalsIgnoreCase("urn:schemas-upnp-org:device:WANConnectionDevice:1")){
			
			System.out.println( "got device");
			
			UPnPService[] services = device.getServices();
			
			for (int i=0;i<services.length;i++){
				
				UPnPService	s = services[i];
				
				if ( s.getServiceType().equalsIgnoreCase( "urn:schemas-upnp-org:service:WANIPConnection:1")){
					
					System.out.println( "got service" );
					
					UPnPAction[]	actions = s.getActions();
					
					for (int j=0;j<actions.length;j++){
						
						System.out.println( actions[j].getName());
					}
					
					UPnPStateVariable[]	vars = s.getStateVariables();
					
					for (int j=0;j<vars.length;j++){
						
						System.out.println( vars[j].getName());
					}
					
					UPnPStateVariable noe = s.getStateVariable("PortMappingNumberOfEntries");
					
					System.out.println( "noe = " + noe.getValue());
					
					UPnPWANIPConnection wan_ip = (UPnPWANIPConnection)s.getSpecificService();
					
					UPnPWANConnectionPortMapping[] ports = wan_ip.getPortMappings();
					
					wan_ip.addPortMapping( true, 7007, "Moo!" );
	
					UPnPAction act	= s.getAction( "GetGenericPortMappingEntry" );
					
					UPnPActionInvocation inv = act.getInvocation();

					inv.addArgument( "NewPortMappingIndex", "0" );
					
					UPnPActionArgument[] outs = inv.invoke();
					
					for (int j=0;j<outs.length;j++){
						
						System.out.println( outs[j].getName() + " = " + outs[j].getValue());
					}
				}
			}
		}else{
			
			UPnPDevice[]	kids = device.getSubDevices();
			
			for (int i=0;i<kids.length;i++){
				
				processDevice( kids[i] );
			}
		}
	}
}