Abstracted the HTTP server with TCP Network classes and added an SSDP service

src/zutil/network/threaded/ThreadedUDPNetwork.java

@@ -0,0 +1,103 @@
+package zutil.network.threaded;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.SocketException;
+
+
+
+/**
+ * A simple web server that handles both cookies and
+ * sessions for all the clients
+ * 
+ * @author Ziver
+ */
+public class ThreadedUDPNetwork extends Thread{
+	public static final int BUFFER_SIZE = 512;
+	
+	// Type of UDP socket
+	enum UDPType{
+		MULTICAST,
+		UNICAST
+	}
+	protected final UDPType type;
+	protected final int port;	
+	protected DatagramSocket socket;
+	protected ThreadedUDPNetworkThread thread = null;
+
+
+	/**
+	 * Creates a new unicast instance of the sever
+	 * 
+	 * @param thread is the class that will handle incoming packets
+	 * @param port is the port that the server should listen to
+	 * @throws SocketException
+	 */
+	public ThreadedUDPNetwork(ThreadedUDPNetworkThread thread, int port) throws SocketException{
+		this.type = UDPType.UNICAST;
+		this.port = port;
+		setThread( thread );
+		
+		socket = new DatagramSocket( port );
+	}
+	
+	/**
+	 * Creates a new multicast instance of the sever
+	 * 
+	 * @param thread is the class that will handle incoming packets
+	 * @param port is the port that the server should listen to
+	 * @param multicast_addr is the multicast address that the server will listen on
+	 * @throws IOException 
+	 */
+	public ThreadedUDPNetwork(ThreadedUDPNetworkThread thread, int port, String multicast_addr ) throws IOException{
+		this.type = UDPType.MULTICAST;
+		this.port = port;
+		setThread( thread );
+		
+		// init udp socket
+		MulticastSocket msocket = new MulticastSocket( port );
+		InetAddress group = InetAddress.getByName( multicast_addr );
+		msocket.joinGroup( group );	
+
+		socket = msocket;
+	}
+
+
+	public void run(){
+		try{
+			while(true){
+				byte[] buf = new byte[BUFFER_SIZE];
+				DatagramPacket packet = new DatagramPacket(buf, buf.length);
+				socket.receive( packet );
+				if( thread!=null )
+					thread.receivedPacket( packet, this );
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
+	/**
+	 * Sends the given packet
+	 * 
+	 * @param packet is the packet to send
+	 * @throws IOException
+	 */
+	public synchronized void send( DatagramPacket packet ) throws IOException{
+		socket.send(packet);
+	}
+	
+	/**
+	 * Sets the thread that will handle the incoming packets
+	 * 
+	 * @param thread is the thread
+	 */
+	public void setThread(ThreadedUDPNetworkThread thread){
+		this.thread = thread;
+	}
+	
+	
+}