mirror of
https://github.com/transmission/transmission
synced 2024-12-28 10:38:45 +00:00
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
|
|
* This file Copyright (C) 2007-2014 Mnemosyne LLC
|
|
*
|
|
* It may be used under the GNU GPL versions 2 or 3
|
|
* or any future license endorsed by Mnemosyne LLC.
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#ifndef __TRANSMISSION__
|
|
#error only libtransmission should #include this header.
|
|
#endif
|
|
|
|
struct tr_torrent;
|
|
|
|
/**
|
|
* @addtogroup file_io File IO
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Reads the block specified by the piece index, offset, and length.
|
|
* @return 0 on success, or an errno value on failure.
|
|
*/
|
|
int tr_ioRead(struct tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t offset, uint32_t len, uint8_t* setme);
|
|
|
|
int tr_ioPrefetch(tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t begin, uint32_t len);
|
|
|
|
/**
|
|
* Writes the block specified by the piece index, offset, and length.
|
|
* @return 0 on success, or an errno value on failure.
|
|
*/
|
|
int tr_ioWrite(struct tr_torrent* tor, tr_piece_index_t pieceIndex, uint32_t offset, uint32_t len, uint8_t const* writeme);
|
|
|
|
/**
|
|
* @brief Test to see if the piece matches its metainfo's SHA1 checksum.
|
|
*/
|
|
bool tr_ioTestPiece(tr_torrent* tor, tr_piece_index_t piece);
|
|
|
|
/**
|
|
* Converts a piece index + offset into a file index + offset.
|
|
*/
|
|
void tr_ioFindFileLocation(
|
|
tr_torrent const* tor,
|
|
tr_piece_index_t pieceIndex,
|
|
uint32_t pieceOffset,
|
|
tr_file_index_t* fileIndex,
|
|
uint64_t* fileOffset);
|
|
|
|
/* @} */
|