1 /*

     2  * Copyright (C) 2009 The Sipdroid Open Source Project

     3  * 

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

     5  * 

     6  * Sipdroid is free software; you can redistribute it and/or modify

     7  * it under the terms of the GNU General Public License as published by

     8  * the Free Software Foundation; either version 3 of the License, or

     9  * (at your option) any later version.

    10  * 

    11  * This source code is distributed in the hope that it will be useful,

    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  * GNU General Public License for more details.

    15  * 

    16  * You should have received a copy of the GNU General Public License

    17  * along with this source code; if not, write to the Free Software

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

    19  */

    20 

    21 package org.sipdroid.net;

    22 

    23 import java.io.IOException;

    24 import java.net.DatagramPacket;

    25 import java.net.DatagramSocket;

    26 import java.net.InetAddress;

    27 import java.net.SocketException;

    28 import java.net.SocketOptions;

    29 import java.net.UnknownHostException;

    30 

    31 import org.sipdroid.net.impl.OSNetworkSystem;

    32 import org.sipdroid.net.impl.PlainDatagramSocketImpl;

    33 

    34 public class SipdroidSocket extends DatagramSocket {

    35 

    36     PlainDatagramSocketImpl impl;

    37     public static boolean loaded = false;

    38 

    39     public SipdroidSocket(int port) throws SocketException, UnknownHostException {

    40 	super(!loaded?port:0);

    41 	if (loaded) {

    42 	    impl = new PlainDatagramSocketImpl();

    43 	    impl.create();

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

    45 	}

    46     }

    47 

    48     public void close() {

    49 	super.close();

    50 	if (loaded) impl.close();

    51     }

    52 

    53     public void setSoTimeout(int val) throws SocketException {

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

    55 	else super.setSoTimeout(val);

    56     }

    57 

    58     public void receive(DatagramPacket pack) throws IOException {

    59 	if (loaded) impl.receive(pack);

    60 	else super.receive(pack);

    61     }

    62 

    63     public void send(DatagramPacket pack) throws IOException {

    64 	if (loaded) impl.send(pack);

    65 	else super.send(pack);

    66     }

    67 

    68     public boolean isConnected() {

    69 	if (loaded) return true;

    70 	else return super.isConnected();

    71     }

    72 

    73     public void disconnect() {

    74 	if (!loaded) super.disconnect();

    75     }

    76 

    77     public void connect(InetAddress addr,int port) {

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

    79     }

    80 

    81     static {

    82 	try {

    83 	    System.loadLibrary("OSNetworkSystem");

    84 	    OSNetworkSystem.getOSNetworkSystem().oneTimeInitialization(true);

    85 	    SipdroidSocket.loaded = true;

    86 	} catch (Throwable e) {

    87 	    e.printStackTrace();

    88 	}

    89     }

    90 }