edu.UCL.xmiddle.controller
Class UDPListener

java.lang.Object
  |
  +--edu.UCL.xmiddle.controller.UDPListener

All Implemented Interfaces:

Listener

public class UDPListener

extends java.lang.Object

implements Listener

UDPListener receives data from a specific host, which is given upon creation of the instance

Since:

1.0

See Also:

Listener

Constructor Summary

UDPListener(java.net.DatagramSocket socket, UDPHost host)
Creates a new UDPListener instance.

Method Summary

void	close() Closes the datagram socket.
int	getSegment() Returns the maximum size of the data packet we expect
Data	rawReceive() receives a packet without negotitating packet size
Data	receive() Receives a Data packet from the remote host.
void	setSegment(int segment) Sets the maximum size of the data packet we expect

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UDPListener

public UDPListener(java.net.DatagramSocket socket,
                   UDPHost host)

Creates a new UDPListener instance.

Parameters:

socket - The datagram socket from which the data are going to be received

host - The host from which we expect data

Method Detail

close

public void close()

Closes the datagram socket.

Specified by:

close in interface Listener

getSegment

public int getSegment()

Returns the maximum size of the data packet we expect

Specified by:

getSegment in interface Listener

Returns:

the segment size

setSegment

public void setSegment(int segment)

Sets the maximum size of the data packet we expect

Specified by:

setSegment in interface Listener

Parameters:

segment -

receive

public Data receive()

Receives a Data packet from the remote host. We expect that the packet will have a maximum size as given by setSegment()

Specified by:

receive in interface Listener

Returns:

a Data value

rawReceive

public Data rawReceive()

Description copied from interface: Listener

receives a packet without negotitating packet size

Specified by:

rawReceive in interface Listener

Returns:

the packet received