j_waste.network
Class Packet

java.lang.Object
  j_waste.network.Packet

Direct Known Subclasses:

ArbitraryPacket, HeadedPacket, InitialPacket1, InitialPacket2, InitialPacket2PSK, KeyInfo, TestPacket

public abstract class Packet

extends java.lang.Object

This class is the base class for the packets used in J-WASTE.

Version:

0.2

Author:

Jan Lindblom (cl0wn@users.sourceforge.net)

Field Summary

protected byte[]

packet

Constructor Summary

Packet()

Method Summary

abstract void	finalizePacket()
protected byte[]	padCD(int l) Returns a 0xCD pad of the specified length
protected byte[]	reverseBytes(byte[] b) Reverses the byte order in a byte array of length 4.
protected int	reverseInt(int i) Reverses the byte order of an int.
protected short	reverseShort(short s) Reverses the byte order of a short.
abstract byte[]	toByteArray()
java.lang.String	toString() Presents a Packet in a nice way similar to a tcpdump.

Methods inherited from class java.lang.Object

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

Field Detail

packet

protected byte[] packet

Constructor Detail

Packet

public Packet()

Method Detail

toByteArray

public abstract byte[] toByteArray()

finalizePacket

public abstract void finalizePacket()

toString

public java.lang.String toString()

Presents a Packet in a nice way similar to a tcpdump.

Returns:

a String with the Packet contents.

reverseBytes

protected byte[] reverseBytes(byte[] b)

Reverses the byte order in a byte array of length 4.

Parameters:

b - The byte array to be reversed.

reverseInt

protected int reverseInt(int i)

Reverses the byte order of an int.

Parameters:

i - The int to reverse.

reverseShort

protected short reverseShort(short s)

Reverses the byte order of a short.

Parameters:

s - The short to reverse.

padCD

protected byte[] padCD(int l)

Returns a 0xCD pad of the specified length

Parameters:

l - The number of bytes to be returned.

Returns:

pad A byte array of length l containing the bit pattern 0xCD.