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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
#define TR_MAX_PEER_COUNT 60
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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
struct tr_peer_s;
void tr_peerIdNew ( char* buf, int buflen );
void tr_torrentResetTransferStats( tr_torrent_t * );
int tr_torrentAddCompact( tr_torrent_t * tor, int from,
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uint8_t * buf, int count );
int tr_torrentAttachPeer( tr_torrent_t * tor, struct tr_peer_s * );
void tr_torrentSetHasPiece( tr_torrent_t * tor, int pieceIndex, int has );
void tr_torrentReaderLock ( const tr_torrent_t * );
void tr_torrentReaderUnlock ( const tr_torrent_t * );
void tr_torrentWriterLock ( tr_torrent_t * );
void tr_torrentWriterUnlock ( tr_torrent_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_t * tor, int index, int begin );
typedef enum
{
TR_RUN_CHECKING = (1<<0), /* checking files' checksums */
TR_RUN_RUNNING = (1<<1), /* seeding or leeching */
TR_RUN_STOPPING = (1<<2), /* stopping */
TR_RUN_STOPPING_NET_WAIT = (1<<3), /* waiting on network -- we're
telling tracker we've stopped */
TR_RUN_STOPPED = (1<<4) /* stopped */
}
run_status_t;
#define TR_ID_LEN 20
#define TR_KEY_LEN 20
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struct tr_torrent_s
{
tr_handle_t * handle;
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tr_info_t info;
tr_speedlimit_t uploadLimitMode;
tr_speedlimit_t downloadLimitMode;
struct tr_ratecontrol_s * upload;
struct tr_ratecontrol_s * download;
struct tr_ratecontrol_s * swarmspeed;
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int error;
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char errorString[128];
int hasChangedState;
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char peer_id[TR_ID_LEN+1];
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char * key;
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uint8_t * azId;
int publicPort;
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/* An escaped string used to include the hash in HTTP queries */
char escapedHashString[3*SHA_DIGEST_LENGTH+1];
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/* 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;
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struct tr_completion_s * completion;
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volatile char dieFlag;
struct tr_bitfield_s * uncheckedPieces;
run_status_t runStatus;
cp_status_t cpStatus;
struct tr_thread_s * thread;
struct tr_rwlock_s * lock;
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struct tr_tracker_s * tracker;
struct tr_io_s * io;
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uint64_t startDate;
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uint64_t stopDate;
char ioLoaded;
char fastResumeDirty;
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int peerCount;
struct tr_peer_s * peers[TR_MAX_PEER_COUNT];
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uint64_t downloadedCur;
uint64_t downloadedPrev;
uint64_t uploadedCur;
uint64_t uploadedPrev;
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uint64_t activityDate;
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uint8_t pexDisabled;
int8_t statCur;
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tr_stat_t stats[2];
tr_torrent_t * next;
};
struct tr_handle_s
{
int torrentCount;
tr_torrent_t * torrentList;
char * tag;
int isPortSet;
char useUploadLimit;
char useDownloadLimit;
struct tr_ratecontrol_s * upload;
struct tr_ratecontrol_s * download;
struct tr_shared_s * shared;
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char key[TR_KEY_LEN+1];
tr_handle_status_t stats[2];
int statCur;
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#define TR_AZ_ID_LEN 20
uint8_t azId[TR_AZ_ID_LEN];
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};
#endif