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.
*
* $Id$
*/
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#ifndef TR_CACHE_H
#define TR_CACHE_H
struct evbuffer;
typedef struct tr_cache tr_cache;
/***
****
***/
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 (const tr_cache *);
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);
#endif