verinec.netsim.firewall.packetFilter
Class PacketFilterRule

java.lang.Object
  verinec.netsim.firewall.packetFilter.PacketFilterRule

All Implemented Interfaces:

IPacketFilter

public class PacketFilterRule
extends Object
implements IPacketFilter

Version:

$Revision: 825 $

Author:

jason.hug@unifr.ch

Field Summary

private String	id
private Logger	logger
private IPacketAction	packetAction
private PacketMatchList	packetMatchList

Constructor Summary

protected

PacketFilterRule(Element node) Creates a new Packet Filter Rule.

Method Summary

String	getId()
IPacketAction	getPacketAction()
PacketMatchList	getPacketMatchList()
IPacketAction	matchAction(Packet packet, String interfaceRef, String hostname, String simTime, String direction, ILogger eventsLog) This method receives a packet and checks in the defined packet-filter-chains if there are any rules that match.
void	setId(String id)
void	setPacketAction(IPacketAction packetAction)
void	setPacketMatchList(PacketMatchList packetMatchList)
String	toString() This returns a String representation of the Packet Filter

Methods inherited from class java.lang.Object

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

Field Detail

id

private String id

packetMatchList

private PacketMatchList packetMatchList

packetAction

private IPacketAction packetAction

logger

private Logger logger

Constructor Detail

PacketFilterRule

protected PacketFilterRule(Element node)

Creates a new Packet Filter Rule. The packet filter rules configurations consist of the Packet Match List and the Packet Action. These two components configurations are specified in the node Element.

Parameters:

node - Element which specifies the configurations for the Packet Filter Rule.

Method Detail

matchAction

public IPacketAction matchAction(Packet packet,
                                 String interfaceRef,
                                 String hostname,
                                 String simTime,
                                 String direction,
                                 ILogger eventsLog)

Description copied from interface: IPacketFilter

This method receives a packet and checks in the defined packet-filter-chains if there are any rules that match. If so the defined action is returned. If no match was observed the default policy of the packet-filter-chain is returned.

Specified by:

matchAction in interface IPacketFilter

Parameters:

packet - Packet that should be inspected.

interfaceRef - From which interface the packet came from.

hostname - In which direction the packet is heading. Use @link verinec.netsim.firewall.IFirewall#IN IN, @link verinec.netsim.firewall.IFirewall#OUT OUT or @link verinec.netsim.firewall.IFirewall#FORWARD FORWARD.

simTime - The hostname of the node for which the firewall is checking for.

direction - Simulation time at which the firewall is being consulted.

eventsLog - The Verinec Simulator Event logger instance.

Returns:

The corresponding Action.

See Also:

IPacketFilter.matchAction(verinec.netsim.entities.packets.Packet, java.lang.String, java.lang.String, java.lang.String, java.lang.String, verinec.netsim.loggers.ILogger)

getId

public String getId()

Returns:

Returns the id.

setId

public void setId(String id)

Parameters:

id - The id to set.

getPacketMatchList

public PacketMatchList getPacketMatchList()

Returns:

Returns the packetMatchList.

setPacketMatchList

public void setPacketMatchList(PacketMatchList packetMatchList)

Parameters:

packetMatchList - The packetMatchList to set.

getPacketAction

public IPacketAction getPacketAction()

Returns:

Returns the packetAction.

setPacketAction

public void setPacketAction(IPacketAction packetAction)

Parameters:

packetAction - The packetAction to set.

toString

public String toString()

Description copied from interface: IPacketFilter

This returns a String representation of the Packet Filter

Specified by:

toString in interface IPacketFilter

Overrides:

toString in class Object

Returns:

the a String representation of the Packet Filter

See Also:

IPacketFilter.toString()