usr.router

Class SimpleRoutingTable

java.lang.Object

usr.router.SimpleRoutingTable

All Implemented Interfaces:

RoutingTable

public class SimpleRoutingTable
extends java.lang.Object
implements RoutingTable

Class holds a routing table deals with getting updated routing tables

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addNetIF(NetIF inter, RouterOptions options) A new network interface arrives -- add to routing table if necessary return true if change was made
void	fromBytes(byte[] bytes, NetIF netif)
java.util.Collection<? extends RoutingTableEntry>	getEntries() Get all the RoutingTable entries.
SimpleRoutingTableEntry	getEntry(Address a) Get an entry from the table
NetIF	getInterface(Address addr) Return the interface on which to send a packet to a given address or null if not known
boolean	mergeEntry(SimpleRoutingTableEntry newEntry, NetIF inter, RouterOptions options) Merge an entry in this RoutingTable returns true if there has been a change
boolean	mergeTables(RoutingTable table2, NetIF inter, RouterOptions options) Merge a RoutingTable into this one.
boolean	removeAddress(Address addr) remove address from table.
boolean	removeNetIF(NetIF netif) Removes a network interface from a router returns true if routing table has changed
void	setListener(NetIFListener l) Set the NetIFListener
boolean	setNetIFWeight(NetIF inter, int weight) Sets a weight on a link on the specified NetIF.
java.lang.String	showTransmitted() SHow only data transmitted
int	size() The size of the RoutingTable.
byte[]	toBytes() To byte[]
java.lang.String	toString() To string

Methods inherited from class java.lang.Object

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

Method Detail

fromBytes

public void fromBytes(byte[] bytes,
             NetIF netif)
               throws java.lang.Exception

Throws:

java.lang.Exception

removeAddress

public boolean removeAddress(Address addr)

remove address from table. Return true if address was in table

Specified by:

removeAddress in interface RoutingTable

setListener

public void setListener(NetIFListener l)

Set the NetIFListener

Specified by:

setListener in interface RoutingTable

size

public int size()

The size of the RoutingTable.

Specified by:

size in interface RoutingTable

getEntries

public java.util.Collection<? extends RoutingTableEntry> getEntries()

Get all the RoutingTable entries.

Specified by:

getEntries in interface RoutingTable

getInterface

public NetIF getInterface(Address addr)

Return the interface on which to send a packet to a given address or null if not known

Specified by:

getInterface in interface RoutingTable

addNetIF

public boolean addNetIF(NetIF inter,
               RouterOptions options)

A new network interface arrives -- add to routing table if necessary return true if change was made

Specified by:

addNetIF in interface RoutingTable

mergeTables

public boolean mergeTables(RoutingTable table2,
                  NetIF inter,
                  RouterOptions options)

Merge a RoutingTable into this one.

Specified by:

mergeTables in interface RoutingTable

getEntry

public SimpleRoutingTableEntry getEntry(Address a)

Get an entry from the table

Specified by:

getEntry in interface RoutingTable

mergeEntry

public boolean mergeEntry(SimpleRoutingTableEntry newEntry,
                 NetIF inter,
                 RouterOptions options)

Merge an entry in this RoutingTable returns true if there has been a change

removeNetIF

public boolean removeNetIF(NetIF netif)

Removes a network interface from a router returns true if routing table has changed

Specified by:

removeNetIF in interface RoutingTable

setNetIFWeight

public boolean setNetIFWeight(NetIF inter,
                     int weight)

Sets a weight on a link on the specified NetIF.

Specified by:

setNetIFWeight in interface RoutingTable

showTransmitted

public java.lang.String showTransmitted()

SHow only data transmitted

Specified by:

showTransmitted in interface RoutingTable

toString

public java.lang.String toString()

To string

Specified by:

toString in interface RoutingTable

Overrides:

toString in class java.lang.Object

toBytes

public byte[] toBytes()

To byte[]

Specified by:

toBytes in interface RoutingTable