net.fenyo.gnetwatch.activities
Class CaptureManager

java.lang.Object
  net.fenyo.gnetwatch.activities.CaptureManager

public class CaptureManager
extends java.lang.Object

This class captures Ethernet frames using tethereal. A tethereal instance is spawned through a Capture instance, for each layer-2 interface.

Version:

$Id: CaptureManager.java,v 1.9 2008/04/15 23:58:17 fenyo Exp $

Author:

Alexandre Fenyo

Nested Class Summary

static interface

CaptureManager.HandlePacket

Field Summary

private java.util.List<Capture>	capture_list
private Config	config
private GUI	gui
private MultiMap	listeners
private static Log	log

Constructor Summary

CaptureManager(Config config)
Constructor.

Method Summary

private java.lang.String	getGlobalFilter() Creates a filter that integrates every individual listener filters.
void	handlePacket(Document packet) Inform every listeners about the next frame.
void	registerListener(java.lang.String filter, CaptureManager.HandlePacket callback) Register a frame listener.
void	setGUI(GUI gui) Defines the GUI instance.
private void	startCapture(java.lang.String filter) Creates captures instances for each available interface.
private void	stopCapture() Stops every capture instances.
void	unRegisterAllListeners() Removes every listeners.
void	unRegisterListener(java.lang.String filter, CaptureManager.HandlePacket callback) Removes a frame listener.

Methods inherited from class java.lang.Object

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

Field Detail

log

private static Log log

config

private final Config config

gui

private GUI gui

capture_list

private final java.util.List<Capture> capture_list

listeners

private MultiMap listeners

Constructor Detail

CaptureManager

public CaptureManager(Config config)

Constructor. main thread.

Parameters:

config - configuration.

Method Detail

setGUI

public void setGUI(GUI gui)

Defines the GUI instance.

Parameters:

GUI - gui.

startCapture

private void startCapture(java.lang.String filter)
                   throws java.lang.InterruptedException

Creates captures instances for each available interface.

Parameters:

filter - tethereal filter.

Throws:

java.lang.InterruptedException - exception.

stopCapture

private void stopCapture()
                  throws java.lang.InterruptedException

Stops every capture instances.

Parameters:

none. -

Throws:

java.lang.InterruptedException - exception.

getGlobalFilter

private java.lang.String getGlobalFilter()

Creates a filter that integrates every individual listener filters.

Parameters:

none. -

Returns:

String global filter.

registerListener

public void registerListener(java.lang.String filter,
                             CaptureManager.HandlePacket callback)
                      throws java.lang.InterruptedException

Register a frame listener.

Parameters:

filter - filter this listener is interested in.

callback - entry point for asynchronous call.

Throws:

java.lang.InterruptedException - exception.

unRegisterListener

public void unRegisterListener(java.lang.String filter,
                               CaptureManager.HandlePacket callback)
                        throws java.lang.InterruptedException

Removes a frame listener.

Parameters:

filter - filter this listener was interested in.

callback - entry point for asynchronous call.

Throws:

java.lang.InterruptedException - exception.

unRegisterAllListeners

public void unRegisterAllListeners()
                            throws java.lang.InterruptedException

Removes every listeners.

Parameters:

none. -

Throws:

java.lang.InterruptedException - exception.

handlePacket

public void handlePacket(Document packet)

Inform every listeners about the next frame.

Parameters:

packet - next frame.