transmission/libtransmission/cache.h

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/*
* This file Copyright (C) 2010-2014 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
#include <cstdint> // intX_t, uintX_t
struct evbuffer;
struct tr_cache;
struct tr_torrent;
/***
****
***/
tr_cache* tr_cacheNew(int64_t max_bytes);
void tr_cacheFree(tr_cache*);
/***
****
***/
int tr_cacheSetLimit(tr_cache* cache, int64_t max_bytes);
int64_t tr_cacheGetLimit(tr_cache const*);
int tr_cacheWriteBlock(
tr_cache* cache,
tr_torrent* torrent,
tr_piece_index_t piece,
uint32_t offset,
uint32_t len,
struct evbuffer* writeme);
int tr_cacheReadBlock(
tr_cache* cache,
tr_torrent* torrent,
tr_piece_index_t piece,
uint32_t offset,
uint32_t len,
uint8_t* setme);
int tr_cachePrefetchBlock(tr_cache* cache, tr_torrent* torrent, tr_piece_index_t piece, uint32_t offset, uint32_t len);
/***
****
***/
int tr_cacheFlushDone(tr_cache* cache);
int tr_cacheFlushTorrent(tr_cache* cache, tr_torrent* torrent);
int tr_cacheFlushFile(tr_cache* cache, tr_torrent* torrent, tr_file_index_t file);