jist.swans.route
Class RouteZrpIarp.MessageIarp

java.lang.Object
  jist.swans.route.RouteZrpIarp.MessageIarp

All Implemented Interfaces:

JistAPI.Timeless, Message, RouteInterface.Zrp.MessageIarp, RouteInterface.Zrp.MessageZrp

Enclosing class:

RouteZrpIarp

private static class RouteZrpIarp.MessageIarp
extends java.lang.Object
implements RouteInterface.Zrp.MessageIarp

IARP (IntrAzone Routing Protocol) packet.

   link source address           size: 4
   link state sequence number    size: 2
   zone radius                   size: 1  -- not impl.
   time-to-live (TTL)            size: 1
   RESERVED                      size: 2
   RESERVED                      size: 1
   link destination count        size: 1
   link destination address(es)  size: 4 * count
   link destination mask(s)      size: 4 * count  -- not impl.
   link metrics                  size: k * count  -- not impl.
  

Field Summary

private byte	compress compression mode.
private NetAddress[]	dst links destinations.
static int	FIXED_SIZE fixed ierp packet size.
static int	INC_SIZE incremental ierp packet size.
private short	seq link state sequence identifier.
private NetAddress	src link source.
private byte	ttl time-to-live.

Fields inherited from interface jist.swans.misc.Message

NULL

Constructor Summary

RouteZrpIarp.MessageIarp(NetAddress src, short seq, byte ttl, NetAddress[] dst, byte compress)
Create new IARP packet.

Method Summary

RouteZrpIarp.MessageIarp	decTTL() Create new IARP message with decremented TTL.
void	getBytes(byte[] b, int offset) Store packet into byte array.
NetAddress[]	getDst() Return links destination addresses.
short	getSeq() Return link state sequence identifier.
int	getSize() Return packet size or Constants.ZERO_WIRE_SIZE.
NetAddress	getSrc() Return link source address.
byte	getTTL() Return packet time-to-live.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

FIXED_SIZE

public static final int FIXED_SIZE

fixed ierp packet size.

See Also:

Constant Field Values

INC_SIZE

public static final int INC_SIZE

incremental ierp packet size.

See Also:

Constant Field Values

src

private NetAddress src

link source.

seq

private short seq

link state sequence identifier.

ttl

private byte ttl

time-to-live.

dst

private NetAddress[] dst

links destinations.

compress

private byte compress

compression mode.

Constructor Detail

RouteZrpIarp.MessageIarp

public RouteZrpIarp.MessageIarp(NetAddress src,
                                short seq,
                                byte ttl,
                                NetAddress[] dst,
                                byte compress)

Create new IARP packet.

Parameters:

src - link source address

seq - link state sequence identifier

ttl - packet time-to-live

dst - links destinations

compress - packet compression mode/format

Method Detail

getSrc

public NetAddress getSrc()

Return link source address.

Returns:

link source address

getSeq

public short getSeq()

Return link state sequence identifier.

Returns:

link state sequence identifier

getTTL

public byte getTTL()

Return packet time-to-live.

Returns:

packet time-to-live.

getDst

public NetAddress[] getDst()

Return links destination addresses.

Returns:

links destination addresses

decTTL

public RouteZrpIarp.MessageIarp decTTL()

Create new IARP message with decremented TTL.

Returns:

new message with decremented TTL

getSize

public int getSize()

Return packet size or Constants.ZERO_WIRE_SIZE.

Specified by:

getSize in interface Message

Returns:

packet size

getBytes

public void getBytes(byte[] b,
                     int offset)

Store packet into byte array.

Specified by:

getBytes in interface Message

Parameters:

b - destination byte array

offset - byte array starting offset

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object