transmission/libtransmission/internal.h

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/******************************************************************************
* $Id$
*
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* Copyright (c) 2005-2007 Transmission authors and contributors
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*
* 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"
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
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#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_RECHECK_NONE,
TR_RECHECK_WAIT,
TR_RECHECK_NOW
}
tr_recheck_state;
#define TR_ID_LEN 20
struct tr_torrent
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{
tr_handle * handle;
tr_info info;
tr_speedlimit uploadLimitMode;
tr_speedlimit downloadLimitMode;
struct tr_ratecontrol * upload;
struct tr_ratecontrol * download;
struct tr_ratecontrol * swarmspeed;
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struct tr_timer * saveTimer;
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int error;
char errorString[128];
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uint8_t obfuscatedHash[SHA_DIGEST_LENGTH];
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/* Where to download */
char * destination;
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/* How many bytes we ask for per request */
int blockSize;
int blockCount;
int lastBlockSize;
int lastPieceSize;
int blockCountInPiece;
int blockCountInLastPiece;
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struct tr_completion * completion;
struct tr_bitfield * uncheckedPieces;
cp_status_t cpStatus;
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;
tr_torrent_status_func * status_func;
void * status_func_user_data;
unsigned int pexDisabled : 1;
unsigned int statCur : 1;
unsigned int isRunning : 1;
tr_recheck_state recheckState;
tr_stat stats[2];
tr_torrent * next;
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};
struct tr_handle
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{
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;
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struct tr_lock * lock;
tr_handle_status stats[2];
int statCur;
uint8_t isClosed;
#define TR_AZ_ID_LEN 20
uint8_t azId[TR_AZ_ID_LEN];
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};
void tr_globalLock ( struct tr_handle * );
void tr_globalUnlock ( struct tr_handle * );
int tr_globalIsLocked ( const struct tr_handle * );
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#endif