anon.mixminion.message
Class FragmentContainer

java.lang.Object
  anon.mixminion.message.FragmentContainer

public class FragmentContainer
extends java.lang.Object

Author:

Stefan Roenisch

Field Summary

private int	FRAGSIZE
private boolean[]	m_add
private int	m_counter
private byte[][]	m_fragments
private byte[]	m_id
private int[]	m_indizes
private int	m_numberoffrags
private boolean	m_readytoreassemble

Constructor Summary

FragmentContainer(byte[] id, int numberoffrags)
Constructor Build a new Fragment Container with id of the message to reassemble and numberoffrags needed packets to reassemble

Method Summary

boolean	addFragment(byte[] frag, int index) Adds a Fragment with specified Index returns true if enough packets are in the container to reassemble
byte[]	getID() return the id of the container/message
byte[]	reassembleMessage() reassembles the message if possible, return null if impossible, otherwise a bytearray containing the whitened, compressed, padded message

Methods inherited from class java.lang.Object

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

Field Detail

m_id

private byte[] m_id

FRAGSIZE

private int FRAGSIZE

m_fragments

private byte[][] m_fragments

m_readytoreassemble

private boolean m_readytoreassemble

m_counter

private int m_counter

m_indizes

private int[] m_indizes

m_numberoffrags

private int m_numberoffrags

m_add

private boolean[] m_add

Constructor Detail

FragmentContainer

public FragmentContainer(byte[] id,
                         int numberoffrags)

Constructor Build a new Fragment Container with id of the message to reassemble and numberoffrags needed packets to reassemble

Parameters:

id -

numberoffrags -

Method Detail

addFragment

public boolean addFragment(byte[] frag,
                           int index)

Adds a Fragment with specified Index returns true if enough packets are in the container to reassemble

Parameters:

frag -

index -

Returns:

getID

public byte[] getID()

return the id of the container/message

Returns:

reassembleMessage

public byte[] reassembleMessage()

reassembles the message if possible, return null if impossible, otherwise a bytearray containing the whitened, compressed, padded message

Returns: