/*
* Copyright (C) 2005 Luca Veltri - University of Parma - Italy
*
* This file is part of MjSip (http://www.mjsip.org)
*
* MjSip 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.
*
* MjSip 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 MjSip; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author(s):
* Luca Veltri (luca.veltri@unipr.it)
*/
package org.zoolu.net;
import java.net.DatagramSocket;
import java.net.DatagramPacket;
import java.net.InetAddress;
/** UdpSocket provides a uniform interface to UDP transport protocol,
* regardless J2SE or J2ME is used.
*/
public class UdpSocket
{
/** DatagramSocket */
DatagramSocket socket;
/** Creates a new UdpSocket */
public UdpSocket() throws java.net.SocketException
{ socket=new DatagramSocket();
}
/** Creates a new UdpSocket */
public UdpSocket(int port) throws java.net.SocketException
{ socket=new DatagramSocket(port);
}
/** Creates a new UdpSocket */
UdpSocket(DatagramSocket sock)
{ socket=sock;
}
/** Creates a new UdpSocket */
public UdpSocket(int port, IpAddress ipaddr) throws java.net.SocketException
{ socket=new DatagramSocket(port,ipaddr.getInetAddress());
}
/** Closes this datagram socket. */
public void close()
{ socket.close();
}
/** Gets the local address to which the socket is bound. */
public IpAddress getLocalAddress()
{ return new IpAddress(socket.getInetAddress());
}
/** Gets the port number on the local host to which this socket is bound. */
public int getLocalPort()
{ return socket.getLocalPort();
}
/** Gets the socket timeout. */
public int getSoTimeout() throws java.net.SocketException
{ return socket.getSoTimeout();
}
/** Enables/disables socket timeout with the specified timeout, in milliseconds. */
public void setSoTimeout(int timeout) throws java.net.SocketException
{ socket.setSoTimeout(timeout);
}
/** Receives a datagram packet from this socket. */
public void receive(UdpPacket pkt) throws java.io.IOException
{ DatagramPacket dgram=pkt.getDatagramPacket();
socket.receive(dgram);
pkt.setDatagramPacket(dgram);
}
/** Sends an UDP packet from this socket. */
public void send(UdpPacket pkt) throws java.io.IOException
{ socket.send(pkt.getDatagramPacket());
}
/** Converts this object to a String. */
public String toString()
{ return socket.toString();
}
}