org.johnnei.javatorrent.internal.torrent.peer

Class Bitfield

java.lang.Object

org.johnnei.javatorrent.internal.torrent.peer.Bitfield

public class Bitfield
extends Object

Constructor Summary

Constructors

Constructor and Description
Bitfield(int size)

Method Summary

Modifier and Type	Method and Description
int	countHavePieces() Goes through the bitfieldBytes and checks how many pieces the client has
byte[]	getBytes() Returns a copy of the internal byte array
boolean	hasPiece(int pieceIndex) Checks the bitfieldBytes if we have the given piece
void	havePiece(int pieceIndex) Notify that we have the given piece This will update the bitfieldBytes to bitwise OR the bit to 1
void	havePiece(int pieceIndex, boolean mayExpand) Notify that we have the given piece This will update the bitfieldBytes to bitwise OR the bit to 1
void	setSize(int size) Increases or decreased the bitfieldBytes size but it will preserve the old data

Methods inherited from class java.lang.Object

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

Constructor Detail

Bitfield

public Bitfield(int size)

Method Detail

setSize

public void setSize(int size)

Increases or decreased the bitfieldBytes size but it will preserve the old data

Parameters:

size - The new size to grow/shrink to

hasPiece

public boolean hasPiece(int pieceIndex)

Checks the bitfieldBytes if we have the given piece

Parameters:

pieceIndex - the piece to check

Returns:

True if we verified the hash of that piece, else false

havePiece

public void havePiece(int pieceIndex)

Notify that we have the given piece
This will update the bitfieldBytes to bitwise OR the bit to 1

Parameters:

pieceIndex - The piece to add

havePiece

public void havePiece(int pieceIndex,
                      boolean mayExpand)

Notify that we have the given piece
This will update the bitfieldBytes to bitwise OR the bit to 1

Parameters:

pieceIndex - The piece to add

mayExpand - If the bitfieldBytes may grow to fit the new have data

getBytes

public byte[] getBytes()

Returns a copy of the internal byte array

Returns:

countHavePieces

public int countHavePieces()

Goes through the bitfieldBytes and checks how many pieces the client has

Returns:

The amount of pieces the client has