universalserversocket.java

来自「java语言开发的P2P流媒体系统」· Java 代码 · 共 86 行

/* Stream-2-Stream - Peer to peer television and radio
 * Project homepage: http://s2s.sourceforge.net/
 * Copyright (C) 2005-2006 Jason Hooks
 * ---------------------------------------------------------------------------
 * 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
 * ---------------------------------------------------------------------------
 */
package stream2stream.network;

import java.io.IOException;
import java.net.*;

import p2pradio.packets.Packet;
import p2pradio.packets.PacketFactory;

public class UniversalServerSocket {
	public static final int TCP = 0;
	//Datagrams
	public static final int UDP = 1;
	private ServerSocket tcpSocket;
	private DatagramSocket udpSocket;
	private int mode;
	private byte[] buffer;
	
	public UniversalServerSocket(ServerSocket tcpSocket)
	{
		mode = TCP;
		this.tcpSocket = tcpSocket;
	}
	public UniversalServerSocket(DatagramSocket udpSocket)
	{
		mode = UDP;
		this.udpSocket = udpSocket;
		buffer = new byte[PacketFactory.STREAM_PACKET_MAX_SIZE];
	}
	public UniversalSocket accept() throws IOException
	{
		UniversalSocket socket = null;
		if(mode == TCP)
		{
			socket = new UniversalSocket(tcpSocket.accept());
		}
		else
		{
			DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
			udpSocket.receive(packet);
			Packet initialPacket = PacketFactory.createPacket(packet.getData(), packet.getLength());
		
			//DatagramSocket clientSocket = new DatagramSocket();
			//clientSocket.connect(packet.getSocketAddress());
			socket = new UniversalSocket(initialPacket, UniversalSocket.UDP);
			socket.connect(packet.getSocketAddress());
			//
			
		}
		return socket;
	}
	public void setSoTimeout(int timeout) throws SocketException
	{
		if (mode == TCP)
			tcpSocket.setSoTimeout(timeout);
		else if (mode == UDP)
			udpSocket.setSoTimeout(timeout);
	}
	public void close() throws IOException
	{
		if (tcpSocket != null)
			tcpSocket.close();
		if (udpSocket != null)
			udpSocket.close();
	}
	
}