transmission/libtransmission/completion.h

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/*
* This file Copyright (C) Mnemosyne LLC
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*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
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* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
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*
* $Id$
*/
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#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#ifndef TR_COMPLETION_H
#define TR_COMPLETION_H
#include "transmission.h"
#include "bitfield.h"
#include "utils.h" /* tr_getRatio() */
typedef struct tr_completion
{
tr_torrent * tor;
tr_bitfield blockBitfield;
/* number of bytes we'll have when done downloading. [0..info.totalSize]
DON'T access this directly; it's a lazy field.
use tr_cpSizeWhenDone() instead! */
uint64_t sizeWhenDoneLazy;
/* whether or not sizeWhenDone needs to be recalculated */
bool sizeWhenDoneIsDirty;
/* number of bytes we'll have when done downloading. [0..info.totalSize]
DON'T access this directly; it's a lazy field.
use tr_cpHaveValid() instead! */
uint64_t haveValidLazy;
/* whether or not haveValidLazy needs to be recalculated */
bool haveValidIsDirty;
/* number of bytes we want or have now. [0..sizeWhenDone] */
uint64_t sizeNow;
}
tr_completion;
/**
*** Life Cycle
**/
void tr_cpConstruct( tr_completion *, tr_torrent * );
void tr_cpBlockInit( tr_completion * cp, const tr_bitfield * blocks );
static inline void
tr_cpDestruct( tr_completion * cp )
{
tr_bitfieldDestruct( &cp->blockBitfield );
}
/**
*** General
**/
double tr_cpPercentComplete( const tr_completion * cp );
double tr_cpPercentDone( const tr_completion * cp );
tr_completeness tr_cpGetStatus( const tr_completion * );
uint64_t tr_cpHaveValid( const tr_completion * );
uint64_t tr_cpSizeWhenDone( const tr_completion * );
void tr_cpGetAmountDone( const tr_completion * completion,
float * tab,
int tabCount );
static inline uint64_t
tr_cpHaveTotal( const tr_completion * cp )
{
return cp->sizeNow;
}
static inline uint64_t
tr_cpLeftUntilComplete( const tr_completion * cp )
{
return tr_torrentInfo(cp->tor)->totalSize - cp->sizeNow;
}
static inline uint64_t
tr_cpLeftUntilDone( const tr_completion * cp )
{
return tr_cpSizeWhenDone( cp ) - cp->sizeNow;
}
static inline bool tr_cpHasAll( const tr_completion * cp )
{
return tr_bitfieldHasAll( &cp->blockBitfield );
}
static inline bool tr_cpHasNone( const tr_completion * cp )
{
return tr_bitfieldHasNone( &cp->blockBitfield );
}
/**
*** Pieces
**/
void tr_cpPieceAdd( tr_completion * cp, tr_piece_index_t i );
void tr_cpPieceRem( tr_completion * cp, tr_piece_index_t i );
size_t tr_cpMissingBlocksInPiece( const tr_completion *, tr_piece_index_t );
size_t tr_cpMissingBytesInPiece ( const tr_completion *, tr_piece_index_t );
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static inline bool
tr_cpPieceIsComplete( const tr_completion * cp, tr_piece_index_t i )
{
return tr_cpMissingBlocksInPiece( cp, i ) == 0;
}
/**
*** Blocks
**/
void tr_cpBlockAdd( tr_completion * cp, tr_block_index_t i );
static inline bool
tr_cpBlockIsComplete( const tr_completion * cp, tr_block_index_t i )
{
return tr_bitfieldHas( &cp->blockBitfield, i );
}
/***
**** Misc
***/
bool tr_cpFileIsComplete( const tr_completion * cp, tr_file_index_t );
void* tr_cpCreatePieceBitfield( const tr_completion * cp, size_t * byte_count );
static inline void
tr_cpInvalidateDND( tr_completion * cp )
{
cp->sizeWhenDoneIsDirty = true;
}
#endif