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bt::ChunkDownload

bt::ChunkDownload Class Reference

#include <chunkdownload.h>

Inheritance diagram for bt::ChunkDownload:

[legend]

List of all members.

Detailed Description

Author:: Joris Guisson

Handles the download off one Chunk off a Peer

This class handles the download of one Chunk.

Definition at line 60 of file chunkdownload.h.


Public Member Functions
bool	assign (PieceDownloader *pd)
Uint32	bytesDownloaded () const
void	cancelAll ()
	ChunkDownload (Chunk *chunk)
bool	containsPeer (PieceDownloader *pd)
Chunk *	getChunk ()
Uint32	getChunkIndex () const
Uint32	getDownloadSpeed () const
SHA1Hash	getHash () const
Uint32	getNumDownloaders () const
PieceDownloader *	getOnlyDownloader ()
QString	getPieceDownloaderName () const
Uint32	getPiecesDownloaded () const
void	getStats (Stats &s)
Uint32	getTotalPieces () const
bool	isChoked () const
bool	isIdle () const
void	killed (PieceDownloader *pd)
bool	load (File &file, ChunkDownloadHeader &hdr)
bool	needsToBeUpdated () const
bool	piece (const Piece &p, bool &ok)
void	releaseAllPDs ()
void	save (File &file)
void	update ()
bool	usingContinuousHashing () const
virtual	~ChunkDownload ()
Friends
File &	operator<< (File &out, const ChunkDownload &cd)
File &	operator>> (File &in, ChunkDownload &cd)

Constructor & Destructor Documentation

bt::ChunkDownload::ChunkDownload ( Chunk * chunk )

Constructor, set the chunk and the PeerManager.

Parameters:

chunk

The Chunk

Definition at line 65 of file chunkdownload.cpp.

bt::ChunkDownload::~ChunkDownload ( ) [virtual]

Definition at line 96 of file chunkdownload.cpp.

Member Function Documentation

bool bt::ChunkDownload::assign ( PieceDownloader * pd )

Assign the downloader to download from.

Parameters:

The downloader

Returns:: true if the peer was asigned, false if not

Definition at line 161 of file chunkdownload.cpp.

Uint32 bt::ChunkDownload::bytesDownloaded ( ) const

Get the number of bytes downloaded.

Definition at line 388 of file chunkdownload.cpp.

void bt::ChunkDownload::cancelAll ( )

Cancel all requests.

Definition at line 401 of file chunkdownload.cpp.

bool bt::ChunkDownload::containsPeer ( PieceDownloader * pd ) [inline]

See if a PieceDownloader is assigned to this chunk.

Definition at line 145 of file chunkdownload.h.

Chunk* bt::ChunkDownload::getChunk ( ) [inline]

Get the chunk.

Definition at line 73 of file chunkdownload.h.

Uint32 bt::ChunkDownload::getChunkIndex ( ) const

Get the index of the chunk.

Definition at line 306 of file chunkdownload.cpp.

Uint32 bt::ChunkDownload::getDownloadSpeed ( ) const

Get the download speed.

Definition at line 327 of file chunkdownload.cpp.

SHA1Hash bt::ChunkDownload::getHash ( ) const [inline]

Get the SHA1 hash of the downloaded chunk.

Definition at line 160 of file chunkdownload.h.

Uint32 bt::ChunkDownload::getNumDownloaders ( ) const [inline]

Get the number of downloaders.

Definition at line 166 of file chunkdownload.h.

PieceDownloader * bt::ChunkDownload::getOnlyDownloader ( )

When a Chunk is downloaded, this function checks if all pieces are delivered by the same peer and if so returns it.

Returns:: The PieceDownloader or 0 if there is no only peer

Definition at line 411 of file chunkdownload.cpp.

QString bt::ChunkDownload::getPieceDownloaderName ( ) const

Get the PeerID of the current peer.

Definition at line 311 of file chunkdownload.cpp.

Uint32 bt::ChunkDownload::getPiecesDownloaded ( ) const [inline]

Get the number of pieces downloaded.

Definition at line 79 of file chunkdownload.h.

void bt::ChunkDownload::getStats ( Stats & s ) [virtual]

Get download stats.

Implements bt::ChunkDownloadInterface.

Definition at line 423 of file chunkdownload.cpp.

Uint32 bt::ChunkDownload::getTotalPieces ( ) const [inline]

Get the total number of pieces.

Definition at line 76 of file chunkdownload.h.

bool bt::ChunkDownload::isChoked ( ) const

See if the download is choked (i.e. all downloaders are choked).

Definition at line 433 of file chunkdownload.cpp.

bool bt::ChunkDownload::isIdle ( ) const [inline]

See if a chunkdownload is idle (i.e. has no downloaders).

Definition at line 97 of file chunkdownload.h.

void bt::ChunkDownload::killed ( PieceDownloader * pd )

A PieceDownloader has been killed.

We need to remove it.

Parameters:

The PieceDownloader

Definition at line 295 of file chunkdownload.cpp.

bool bt::ChunkDownload::load	(	File &	file,
		ChunkDownloadHeader &	hdr
	)

Load from a File.

Parameters:

file

The File

Definition at line 357 of file chunkdownload.cpp.

bool bt::ChunkDownload::needsToBeUpdated ( ) const [inline]

See if this CD hasn't been active in the last update.

Definition at line 157 of file chunkdownload.h.

bool bt::ChunkDownload::piece	(	const Piece &	p,
		bool &	ok
	)

A Piece has arived.

Parameters:

	p	The Piece
	ok	Whether or not the piece was needed

Returns:: true If Chunk is complete

Definition at line 101 of file chunkdownload.cpp.

void bt::ChunkDownload::releaseAllPDs ( )

Release all PD's and clear the requested chunks.

Definition at line 149 of file chunkdownload.cpp.

void bt::ChunkDownload::save ( File & file )

Save to a File.

Parameters:

file

The File

Definition at line 338 of file chunkdownload.cpp.

void bt::ChunkDownload::update ( )

Send requests to peers.

Definition at line 249 of file chunkdownload.cpp.

bool bt::ChunkDownload::usingContinuousHashing ( ) const

Are we using the continuous hashing feature for this chunk.

Definition at line 462 of file chunkdownload.cpp.

Friends And Related Function Documentation

File& operator<<	(	File &	out,
		const ChunkDownload &	cd
	)			`[friend]`

File& operator>>	(	File &	in,
		ChunkDownload &	cd
	)			`[friend]`

The documentation for this class was generated from the following files:

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bt::ChunkDownload Class Reference

Detailed Description

Public Member Functions

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

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