/*

 * Copyright (C) 2009 The Sipdroid Open Source Project

 * 

 * This file is part of Sipdroid (http://www.sipdroid.org)

 * 

 * Sipdroid 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 3 of the License, or

 * (at your option) any later version.

 * 

 * This source code 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 source code; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package org.sipdroid.net;

import java.io.IOException;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

import java.net.SocketException;

import java.net.SocketOptions;

import java.net.UnknownHostException;

import org.sipdroid.net.impl.OSNetworkSystem;

import org.sipdroid.net.impl.PlainDatagramSocketImpl;

public class SipdroidSocket extends DatagramSocket {

	PlainDatagramSocketImpl impl;

	public static boolean loaded = false;

	public SipdroidSocket(int port) throws SocketException, UnknownHostException {

		super(!loaded?port:0);

		if (loaded) {

			impl = new PlainDatagramSocketImpl();

			impl.create();

			impl.bind(port,InetAddress.getByName("0"));

		}

	}

	public void close() {

		super.close();

		if (loaded) impl.close();

	}

	public void setSoTimeout(int val) throws SocketException {

		if (loaded) impl.setOption(SocketOptions.SO_TIMEOUT, val);

		else super.setSoTimeout(val);

	}

	public void receive(DatagramPacket pack) throws IOException {

		if (loaded) impl.receive(pack);

		else super.receive(pack);

	}

	public void send(DatagramPacket pack) throws IOException {

		if (loaded) impl.send(pack);

		else super.send(pack);

	}

	public boolean isConnected() {

		if (loaded) return true;

		else return super.isConnected();

	}

	public void disconnect() {

		if (!loaded) super.disconnect();

	}

	public void connect(InetAddress addr,int port) {

		if (!loaded) super.connect(addr,port);

	}

	static {

		        System.loadLibrary("OSNetworkSystem");

		        OSNetworkSystem.getOSNetworkSystem().oneTimeInitialization(true);

		        SipdroidSocket.loaded = true;

	}

}