uk.org.arlott.simon.hw.f24.lbsta
Class LAN

java.lang.Object
  uk.org.arlott.simon.hw.f24.lbsta.LAN

All Implemented Interfaces:

PacketTransport

public class LAN
extends java.lang.Object
implements PacketTransport

Represents a LAN on the network.

Field Summary

private java.util.HashSet<BridgePort>	bridgePorts The bridge ports connected to this LAN.
private java.util.HashSet<Host>	hosts The hosts connected to this LAN.
private java.util.HashSet<LAN>	lans The LANs connected to this one.
private java.util.HashSet<Packet>	packets The packets attached to this LAN.
int	x1 The top left X co-ordinate position of the LAN.
int	x2 The bottom right X co-ordinate position of the LAN.
int	y1 The top left Y co-ordinate position of the LAN.
int	y2 The bottom right Y co-ordinate position of the LAN.

Constructor Summary

LAN(int x1, int y1, int x2, int y2)
Creates a new LAN object.

LAN(LAN lan)
Creates a new LAN object.

Method Summary

void	addPacket(Packet p) Adds a packet to this LAN.
void	connect(BridgePort b) Connects to a bridge port.
void	connect(Host h) Connects to a host.
void	connect(LAN l) Connects to another LAN.
void	disconnect(BridgePort b) Disconnects from a bridge port.
void	disconnect(Host h) Disconnects from a host.
void	disconnect(LAN l) Disconnects from a LAN.
void	disconnectAll() Disconnects all LANs, bridges and hosts from this LAN.
void	disconnectBridges() Disconnects all bridges from this LAN.
void	disconnectLANs() Disconnects all LANs from this one.
void	finishConnects() Finish reconnecting to any other network components that are not connected back to this one.
java.util.HashSet<BridgePort>	getBridges() Gets all bridges connected to this LAN.
java.util.Vector<Host>	getHosts() Gets all hosts connected to this LAN.
java.util.HashSet<LAN>	getLANs() Gets all LANs connected to this one.
int	getLength() Gets the length of the LAN.
java.util.Vector<Packet>	getPackets() Gets all the packets on this LAN.
void	halfConnect(BridgePort b) Connects to a bridge port but does not a require a reverse connection.
void	halfConnect(Host h) Connects to a host but does not require a reverse connection.
void	halfConnect(LAN l) Connects to another LAN but does not require a reverse connection.
boolean	isConnectedTo(BridgePort b) Find out if this LAN is connected to a bridge port.
boolean	isConnectedTo(LAN l) Find out if this LAN is connected to another LAN.
void	reconnect(LAN l) Reconnects to all the LANs a LAN is connected to.
void	reconnectPackets(LAN l) Reconnects to all the packets a LAN is connected to.
void	removeAllPackets() Removes all packets from this LAN.
void	removePacket(Packet p) Removes a packet from this LAN.

Methods inherited from class java.lang.Object

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

Field Detail

lans

private java.util.HashSet<LAN> lans

The LANs connected to this one.

bridgePorts

private java.util.HashSet<BridgePort> bridgePorts

The bridge ports connected to this LAN.

hosts

private java.util.HashSet<Host> hosts

The hosts connected to this LAN.

packets

private java.util.HashSet<Packet> packets

The packets attached to this LAN.

x1

public int x1

The top left X co-ordinate position of the LAN.

y1

public int y1

The top left Y co-ordinate position of the LAN.

x2

public int x2

The bottom right X co-ordinate position of the LAN.

y2

public int y2

The bottom right Y co-ordinate position of the LAN.

Constructor Detail

LAN

public LAN(int x1,
           int y1,
           int x2,
           int y2)
    throws InvalidPositionException

Creates a new LAN object.

Parameters:

x1 - The top left X co-ordinate position.

y1 - The top left Y co-ordinate position.

x2 - The bottom right X co-ordinate positon.

y2 - The bottom right Y co-ordinate positon.

Throws:

InvalidPositionException - If the position is invalid.

LAN

public LAN(LAN lan)
    throws InvalidPositionException

Creates a new LAN object.

Parameters:

lan - An existing LAN object to copy.

Throws:

InvalidPositionException - If the position is invalid.

Method Detail

getLength

public int getLength()

Gets the length of the LAN.

Returns:

The length of the LAN.

getLANs

public java.util.HashSet<LAN> getLANs()

Gets all LANs connected to this one.

Returns:

All the LANs connected to this LAN.

connect

public void connect(LAN l)

Connects to another LAN.

Parameters:

l - The LAN to connect to.

halfConnect

public void halfConnect(LAN l)

Connects to another LAN but does not require a reverse connection.

Parameters:

l - The LAN to connect to.

reconnect

public void reconnect(LAN l)

Reconnects to all the LANs a LAN is connected to.

Parameters:

l - The LAN with the LANs to reconnect to.

reconnectPackets

public void reconnectPackets(LAN l)

Reconnects to all the packets a LAN is connected to.

Parameters:

l - The LAN with the packets to reconnect to.

isConnectedTo

public boolean isConnectedTo(LAN l)

Find out if this LAN is connected to another LAN.

Parameters:

l - The other LAN.

Returns:

true if connected to l.

disconnect

public void disconnect(LAN l)

Disconnects from a LAN.

Parameters:

l - The LAN to disconnect from.

getBridges

public java.util.HashSet<BridgePort> getBridges()

Gets all bridges connected to this LAN.

Returns:

The bridge ports connected to this LAN.

connect

public void connect(BridgePort b)

Connects to a bridge port.

Parameters:

b - The BridgePort to connect to.

halfConnect

public void halfConnect(BridgePort b)

Connects to a bridge port but does not a require a reverse connection.

Parameters:

b - The BridgePort to connect to.

isConnectedTo

public boolean isConnectedTo(BridgePort b)

Find out if this LAN is connected to a bridge port.

Parameters:

b - The BridgePort.

Returns:

true if connected to b.

disconnect

public void disconnect(BridgePort b)

Disconnects from a bridge port.

Parameters:

b - The BridgePort to disconnect from.

getHosts

public java.util.Vector<Host> getHosts()

Gets all hosts connected to this LAN.

Returns:

All the hosts on this LAN.

connect

public void connect(Host h)

Connects to a host.

Parameters:

h - The Host to connect to.

halfConnect

public void halfConnect(Host h)

Connects to a host but does not require a reverse connection.

Parameters:

h - The Host to connect to.

disconnect

public void disconnect(Host h)

Disconnects from a host.

Parameters:

h - The Host to disconnect from.

finishConnects

public void finishConnects()

Finish reconnecting to any other network components that are not connected back to this one.

disconnectLANs

public void disconnectLANs()

Disconnects all LANs from this one.

disconnectBridges

public void disconnectBridges()

Disconnects all bridges from this LAN.

disconnectAll

public void disconnectAll()

Disconnects all LANs, bridges and hosts from this LAN.

addPacket

public void addPacket(Packet p)

Adds a packet to this LAN.

Specified by:

addPacket in interface PacketTransport

Parameters:

p - The Packet to add.

removePacket

public void removePacket(Packet p)

Removes a packet from this LAN.

Specified by:

removePacket in interface PacketTransport

Parameters:

p - The Packet to remove.

removeAllPackets

public void removeAllPackets()

Removes all packets from this LAN.

getPackets

public java.util.Vector<Packet> getPackets()

Gets all the packets on this LAN.

Returns:

The packets on this LAN.