/**************************************************************************
* Parts copyright (c) 2001 by Punch Telematix. All rights reserved. *
* Parts copyright (c) 2007 by Chris Gray, /k/ Embedded Java Solutions. *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix or of /k/ Embedded Java Solutions*
* nor the names of other contributors may be used to endorse or promote*
* products derived from this software without specific prior written *
* permission. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX, /K/ EMBEDDED JAVA SOLUTIONS OR OTHER *
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
package java.net;
import java.io.*;
public abstract class DatagramSocketImpl implements SocketOptions {
protected int localPort;
protected FileDescriptor fd;
/**
* default constructor ...
*/
public DatagramSocketImpl(){
}
/**
* Create a datagram socket
*/
protected abstract void create() throws SocketException;
/**
* Binds a datagram socket to a local port and address.
*/
protected abstract void bind(int lport, InetAddress laddr) throws SocketException;
/**
* Sends a datagram packet. The packet contains the data and the destination address to send the packet to.
*/
protected abstract void send(DatagramPacket p) throws IOException;
/**
* Peek at the packet to see who it is from.
*/
protected abstract int peek(InetAddress i) throws IOException;
/**
* Receive the datagram packet.
*/
protected abstract void receive(DatagramPacket p) throws IOException;
/**
* @deprecated. use setTimeToLive instead.
* Set the TTL (time-to-live) option.
*/
protected abstract void setTTL(byte ttl) throws IOException;
/**
* @deprecated. use getTimeToLive instead.
* Retrieve the TTL (time-to-live) option.
*/
protected abstract byte getTTL() throws IOException;
/**
* Set the TTL (time-to-live) option.
*/
protected abstract void setTimeToLive(int ttl) throws IOException;
/**
* Retrieve the TTL (time-to-live) option.
*/
protected abstract int getTimeToLive() throws IOException;
/**
* Join the multicast group.
*/
protected abstract void join(InetAddress inetaddr) throws IOException;
/**
* Join the multicast group.
*/
protected abstract void joinGroup(InetAddress inetaddr, NetworkInterface nw) throws IOException;
/**
* Leave the multicast group.
*/
protected abstract void leave(InetAddress inetaddr) throws IOException;
/**
* Close the socket.
*/
protected abstract void close();
/**
* Get the local port.
*/
protected int getLocalPort() {
return localPort;
}
/**
* Get the datagram socket file descriptor
*/
protected FileDescriptor getFileDescriptor() {
return fd;
}
}