verinec.netsim.components
Class Node

java.lang.Object
  desmoj.core.simulator.NamedObject
      desmoj.core.simulator.ModelComponent
          verinec.netsim.components.Node

public class Node
extends ModelComponent

A Node represents a Network Component in the Network

Version:

$Revision:835 $

Author:

Dominik Jungo

Field Summary

private ApplicationLayer	applicationlayer
private AddressTable	arptable
private Vector	datalinklayers
private Firewall	firewall
private Logger	jlogger
private NetworkLayer	networklayer
private String	nodeID
private SocketSimProccessTable	processes
private RoutingTable	routingtable
private List	services
private TransportLayer	transportlayer

Constructor Summary

Node(Model model, Element element)
Constructs a Node with the parameters in the element

Method Summary

private void	bind(DataLinkLayer dl, String binding) binds a nic to a "physical cable"
private void	createApplicationLayer(Element element)
private void	createHardware(Element element) Creates the "hardware part" of the node
private void	createNetworkLayer(Element element) Creates the "layer 3 part" of the node
private void	createNIC(Element element) Creates a NIC
void	createNICethernet(Element element) Creates a ethernet NIC if now hwaddress is given, a random one is generated.
void	createNICserial(Element element) Creates a serial NIC
void	createNICwlan(Element element) Creates a wlan NIC
private void	createServices(Element element) Creates the application layer with all specified services
private void	createTransportLayer() Creates the "layer 4 part" of the node
Firewall	getFirewall() gets the nodes firewall
String	getNodeID() gets the nodes identifier
SimProcess	getProcess(IAddress localhost, IAddress dsthost, int dstport) gets the Sim Proccess that was registered before
SimProcess	getProcess(int dstport) gets the Sim Proccess that was registered before
TransportLayer	getTransportlayer() gets the nodes transport layer
boolean	isPacketForwarding()
void	registerClient(IPAddress src, IPAddress dst, int port, SimProcess process) Registeres a SimProcess with a port of a Socket.
void	registerClient(Socket socket, SimProcess process) Registeres a SimProcess with a port of a Socket.
void	registerServer(int port, SimProcess process) Registeres a SimProcess with a port of a ServerSocket.
private void	setNodeID(String string) sets the nodes identifier
void	setTransportlayer(TransportLayer layer) sets the nodes transport layer

Methods inherited from class desmoj.core.simulator.ModelComponent

current, currentEntity, currentEvent, currentModel, currentSimProcess, currentTime, debugIsOn, debugOff, debugOn, epsilon, getModel, isExperimentCompatible, isModelCompatible, sendDebugNote, sendMessage, sendTraceNote, sendWarning, skipTraceNote, skipTraceNote, traceIsOn, traceOff, traceOn

Methods inherited from class desmoj.core.simulator.NamedObject

getName, getQuotedName, rename, toString

Methods inherited from class java.lang.Object

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

Field Detail

transportlayer

private TransportLayer transportlayer

datalinklayers

private Vector datalinklayers

networklayer

private NetworkLayer networklayer

applicationlayer

private ApplicationLayer applicationlayer

nodeID

private String nodeID

arptable

private AddressTable arptable

routingtable

private RoutingTable routingtable

processes

private SocketSimProccessTable processes

jlogger

private Logger jlogger

firewall

private Firewall firewall

services

private List services

Constructor Detail

Node

public Node(Model model,
            Element element)
     throws NetSimException

Constructs a Node with the parameters in the element

Parameters:

model - The network model this component is associated to

element - specification of the node

Throws:

NetSimException - when something gows wrong building the node

Method Detail

createApplicationLayer

private void createApplicationLayer(Element element)

createNetworkLayer

private void createNetworkLayer(Element element)

Creates the "layer 3 part" of the node

Parameters:

element - element hardware specification

createTransportLayer

private void createTransportLayer()

Creates the "layer 4 part" of the node

createHardware

private void createHardware(Element element)
                     throws NetSimException

Creates the "hardware part" of the node

Parameters:

element - hardware specification

Throws:

NetSimException - when something goes wring constructing the interface. This may come from an unknown interface type.

createNIC

private void createNIC(Element element)
                throws NetSimException

Creates a NIC

Parameters:

element - NIC specification

Throws:

NetSimException - when something goes wrong constructing the node. e.g when an unknown interface type is used.

createNICethernet

public void createNICethernet(Element element)

Creates a ethernet NIC if now hwaddress is given, a random one is generated. Note this can lead to collisions with existing addresses!

Parameters:

element - NIC specification

bind

private void bind(DataLinkLayer dl,
                  String binding)

binds a nic to a "physical cable"

Parameters:

dl - a nic

binding - a binding name

createNICwlan

public void createNICwlan(Element element)

Creates a wlan NIC

Parameters:

element - NIC specification

createNICserial

public void createNICserial(Element element)

Creates a serial NIC

Parameters:

element - NIC specification

createServices

private void createServices(Element element)

Creates the application layer with all specified services

Parameters:

element - service specifications

getFirewall

public Firewall getFirewall()

gets the nodes firewall

Returns:

the nodes firewall

getNodeID

public String getNodeID()

gets the nodes identifier

Returns:

the nodes identifier

setNodeID

private void setNodeID(String string)

sets the nodes identifier

Parameters:

string - new identifier

getTransportlayer

public TransportLayer getTransportlayer()

gets the nodes transport layer

Returns:

the nodes transport layer

setTransportlayer

public void setTransportlayer(TransportLayer layer)

sets the nodes transport layer

Parameters:

layer - a new transport layer

getProcess

public SimProcess getProcess(IAddress localhost,
                             IAddress dsthost,
                             int dstport)

gets the Sim Proccess that was registered before

Parameters:

localhost - local host of the registered Socket

dsthost - destination host of the registered Socket

dstport - destination port of the registered Socket

Returns:

the SimProccess

getProcess

public SimProcess getProcess(int dstport)

gets the Sim Proccess that was registered before

Parameters:

dstport - destination port of the registered Socket

Returns:

the SimProccess

registerServer

public void registerServer(int port,
                           SimProcess process)

Registeres a SimProcess with a port of a ServerSocket. This may be used later to passivate the Proccess.

Parameters:

port - port of a ServerSocket

process - the proccess

registerClient

public void registerClient(Socket socket,
                           SimProcess process)

Registeres a SimProcess with a port of a Socket. This may be used later to passivate the Proccess.

Parameters:

socket - a Socket

process - a Proccess

registerClient

public void registerClient(IPAddress src,
                           IPAddress dst,
                           int port,
                           SimProcess process)

Registeres a SimProcess with a port of a Socket. This may be used later to passivate the Proccess.

Parameters:

src - source address of the Socket

dst - destination address of the Socket

port - destination port of the Socket

process - a Proccess

isPacketForwarding

public boolean isPacketForwarding()