simnet
Class RIPEntry

java.lang.Object
  simnet.RIPEntry

public class RIPEntry

extends java.lang.Object

An object used to store a single entry for RIP Routing.

Field Summary

(package private) int	destination
(package private) int	distance
static int	EXPIRY Time that must elapse (in ms) before a route is considered expired.
(package private) int	fixed_bits
static int	GARBAGE Time that must elapse (in ms) before an expired route forgotten.
(package private) int	nextHop
(package private) long	time_stamp

Constructor Summary

RIPEntry(int dest, int nh, int dist, int fb)
Create a new RIP entry with the specified values.

Method Summary

void	expire() Exipire this route.
long	getAge() Returns how long it has been (in ms) since this route was confirmed.
boolean	isExpired() Returns if this route has expired.
boolean	isStale() Returns if this route has expired and should be garbage collected.
void	resetTimeStamp() Called when this route is reconfirmed (updates the time stamp to now).

Methods inherited from class java.lang.Object

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

Field Detail

EXPIRY

public static final int EXPIRY

Time that must elapse (in ms) before a route is considered expired.

See Also:

Constant Field Values

GARBAGE

public static final int GARBAGE

Time that must elapse (in ms) before an expired route forgotten.

See Also:

Constant Field Values

destination

int destination

nextHop

int nextHop

distance

int distance

fixed_bits

int fixed_bits

time_stamp

long time_stamp

Constructor Detail

RIPEntry

public RIPEntry(int dest,
                int nh,
                int dist,
                int fb)

Create a new RIP entry with the specified values.

Method Detail

getAge

public long getAge()

Returns how long it has been (in ms) since this route was confirmed.

resetTimeStamp

public void resetTimeStamp()

Called when this route is reconfirmed (updates the time stamp to now).

expire

public void expire()

Exipire this route.

isExpired

public boolean isExpired()

Returns if this route has expired.

isStale

public boolean isStale()

Returns if this route has expired and should be garbage collected.