Class L3Display

java.lang.Object

L3Display

All Implemented Interfaces:

java.awt.event.ActionListener, java.util.EventListener, L3Listener

public class L3Display
extends java.lang.Object
implements java.awt.event.ActionListener, L3Listener

This class displays a GUI from which you can send and receive Layer 2 frames.

Constructor Summary

Constructors

Constructor and Description
L3Display(L3Handler handler) Display 3 fields: a display field for putting status messages in and displaying the values in received packets; a DestAddr field, into which the user can type a destination address in the form x.y; a payload field into which the user types a bit string (0s and 1s).

Method Summary

Methods

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent e) Called when the user hits enter in the GUI field, indicating that a L3 Packet should be created and sent.
void	packetReceived(L3Handler handler, L3Packet pkt) Called when a frame is received in the handler from the layer below it.

Methods inherited from class java.lang.Object

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

Constructor Detail

L3Display

public L3Display(L3Handler handler)

Display 3 fields: a display field for putting status messages in and displaying the values in received packets; a DestAddr field, into which the user can type a destination address in the form x.y; a payload field into which the user types a bit string (0s and 1s). The title of the frame display's this endpoint's L3Address.

Method Detail

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Called when the user hits enter in the GUI field, indicating that a L3 Packet should be created and sent.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

packetReceived

public void packetReceived(L3Handler handler,
                  L3Packet pkt)

Called when a frame is received in the handler from the layer below it. This function prints out info about the received frame in the displayField (where the packet came from and what payload it is carrying.

Specified by:

packetReceived in interface L3Listener