transmission/libtransmission/cache.h

74 lines
1.9 KiB
C

/*
* This file Copyright (C) Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2 (b)
* 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.
*
* $Id$
*/
#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