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// DatagramSocketImpl.java - Abstract datagram socket implementation.
/* Copyright (C) 1999 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.net;
import java.io.IOException;
import java.io.FileDescriptor;
/**
* @author Warren Levy <warrenl@cygnus.com>
* @date May 3, 1999.
*/
/**
* Written using on-line Java Platform 1.2 API Specification, as well
* as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
* Status: Believed complete and correct.
*/
public abstract class DatagramSocketImpl implements SocketOptions
{
protected int localPort;
protected FileDescriptor fd;
public DatagramSocketImpl()
{
}
protected abstract void bind(int lport, InetAddress laddr)
throws SocketException;
protected abstract void close();
protected abstract void create() throws SocketException;
protected abstract int peek(InetAddress i) throws IOException;
protected abstract void send(DatagramPacket p) throws IOException;
protected abstract void receive(DatagramPacket p) throws IOException;
protected abstract void setTTL(byte ttl) throws IOException;
protected abstract byte getTTL() throws IOException;
protected abstract void setTimeToLive(int ttl) throws IOException;
protected abstract int getTimeToLive() throws IOException;
protected abstract void join(InetAddress inetaddr) throws IOException;
protected abstract void leave(InetAddress inetaddr) throws IOException;
public abstract Object getOption(int optID) throws SocketException;
public abstract void setOption(int optID, Object value)
throws SocketException;
protected FileDescriptor getFileDescriptor()
{
return fd;
}
protected int getLocalPort()
{
return localPort;
}
}
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