transmission/libtransmission/internal.h

202 lines
6.4 KiB
C

/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2007 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#ifndef TR_INTERNAL_H
#define TR_INTERNAL_H 1
#define TR_NAME "Transmission"
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
#define TR_MAX_PEER_COUNT 60
typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
void tr_torrentRecheckCompleteness( tr_torrent * );
int tr_trackerInfoInit( struct tr_tracker_info * info,
const char * address,
int address_len );
void tr_trackerInfoClear( struct tr_tracker_info * info );
void tr_peerIdNew ( char* buf, int buflen );
void tr_torrentResetTransferStats( tr_torrent * );
void tr_torrentSetHasPiece( tr_torrent * tor, int pieceIndex, int has );
void tr_torrentLock ( const tr_torrent * );
void tr_torrentUnlock ( const tr_torrent * );
void tr_torrentChangeMyPort ( tr_torrent * );
int tr_torrentExists( tr_handle *, const uint8_t * );
tr_torrent* tr_torrentFindFromHash( tr_handle *, const uint8_t * );
tr_torrent* tr_torrentFindFromObfuscatedHash( tr_handle *, const uint8_t* );
/* get the index of this piece's first block */
#define tr_torPieceFirstBlock(tor,piece) ( (piece) * (tor)->blockCountInPiece )
/* what piece index is this block in? */
#define tr_torBlockPiece(tor,block) ( (block) / (tor)->blockCountInPiece )
/* how many blocks are in this piece? */
#define tr_torPieceCountBlocks(tor,piece) \
( ((piece)==((tor)->info.pieceCount-1)) ? (tor)->blockCountInLastPiece : (tor)->blockCountInPiece )
/* how many bytes are in this piece? */
#define tr_torPieceCountBytes(tor,piece) \
( ((piece)==((tor)->info.pieceCount-1)) ? (tor)->lastPieceSize : (tor)->info.pieceSize )
/* how many bytes are in this block? */
#define tr_torBlockCountBytes(tor,block) \
( ((block)==((tor)->blockCount-1)) ? (tor)->lastBlockSize : (tor)->blockSize )
#define tr_block(a,b) _tr_block(tor,a,b)
int _tr_block( const tr_torrent * tor, int index, int begin );
uint64_t tr_pieceOffset( const tr_torrent * tor, int index, int begin, int length );
typedef enum
{
TR_RUN_CHECKING_WAIT = (1<<0), /* waiting to be checked */
TR_RUN_CHECKING = (1<<1), /* checking files' checksums */
TR_RUN_RUNNING = (1<<2), /* seeding or leeching */
TR_RUN_STOPPING = (1<<3), /* waiting for acknowledgment from tracker */
TR_RUN_STOPPED = (1<<4) /* stopped */
}
run_status_t;
#define TR_ID_LEN 20
struct tr_torrent
{
tr_handle * handle;
tr_info info;
tr_speedlimit uploadLimitMode;
tr_speedlimit downloadLimitMode;
struct tr_ratecontrol * upload;
struct tr_ratecontrol * download;
struct tr_ratecontrol * swarmspeed;
struct tr_timer * saveTimer;
int error;
char errorString[128];
uint8_t obfuscatedHash[SHA_DIGEST_LENGTH];
/* Where to download */
char * destination;
/* How many bytes we ask for per request */
int blockSize;
int blockCount;
int lastBlockSize;
int lastPieceSize;
int blockCountInPiece;
int blockCountInLastPiece;
struct tr_completion * completion;
struct tr_bitfield * uncheckedPieces;
run_status_t runStatus;
run_status_t runStatusToSave;
cp_status_t cpStatus;
struct tr_lock * lock;
struct tr_tracker * tracker;
struct tr_publisher_tag * trackerSubscription;
uint64_t downloadedCur;
uint64_t downloadedPrev;
uint64_t uploadedCur;
uint64_t uploadedPrev;
uint64_t corruptCur;
uint64_t corruptPrev;
uint64_t startDate;
uint64_t stopDate;
uint64_t activityDate;
uint8_t hasChangedState;
unsigned int runStatusToSaveIsSet : 1;
unsigned int pexDisabled : 1;
unsigned int doStopAfterHashCheck : 1;
unsigned int statCur : 1;
tr_stat stats[2];
tr_torrent * next;
};
struct tr_handle
{
tr_encryption_mode encryptionMode;
struct tr_event_handle * events;
int torrentCount;
tr_torrent * torrentList;
char * tag;
int isPortSet;
char useUploadLimit;
char useDownloadLimit;
struct tr_ratecontrol * upload;
struct tr_ratecontrol * download;
struct tr_peerMgr * peerMgr;
struct tr_shared * shared;
tr_handle_status stats[2];
int statCur;
uint8_t isClosed;
#define TR_AZ_ID_LEN 20
uint8_t azId[TR_AZ_ID_LEN];
};
#endif