mirror of
https://github.com/transmission/transmission
synced 2024-12-26 09:37:56 +00:00
240 lines
8.4 KiB
C
240 lines
8.4 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2008 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#ifndef TR_TORRENT_H
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#define TR_TORRENT_H 1
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struct tr_bandwidth;
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struct tr_ratecontrol;
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/**
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*** Package-visible ctor API
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**/
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void tr_ctorSetSave( tr_ctor * ctor,
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int saveMetadataInOurTorrentsDir );
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int tr_ctorGetSave( const tr_ctor * ctor );
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/**
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***
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**/
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/* just like tr_torrentSetFileDLs but doesn't trigger a fastresume save */
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void tr_torrentInitFileDLs( tr_torrent * tor,
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tr_file_index_t * files,
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tr_file_index_t fileCount,
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int do_download );
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int tr_torrentIsPrivate( const tr_torrent * );
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void tr_torrentRecheckCompleteness( tr_torrent * );
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void tr_torrentResetTransferStats( tr_torrent * );
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void tr_torrentSetHasPiece( tr_torrent * tor,
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tr_piece_index_t pieceIndex,
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int has );
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void tr_torrentLock( const tr_torrent * session );
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void tr_torrentUnlock( const tr_torrent * session );
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int tr_torrentIsSeed( const tr_torrent * session );
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void tr_torrentChangeMyPort( tr_torrent * session );
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int tr_torrentExists( const tr_session * session,
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const uint8_t * hash );
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tr_torrent* tr_torrentFindFromId( tr_session * session,
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int id );
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tr_torrent* tr_torrentFindFromHash( tr_session * session,
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const uint8_t * hash );
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tr_torrent* tr_torrentFindFromHashString( tr_session * session,
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const char * hashString );
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tr_torrent* tr_torrentFindFromObfuscatedHash( tr_session * session,
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const uint8_t * hash );
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int tr_torrentAllowsPex( const tr_torrent * );
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int tr_torrentIsPieceTransferAllowed( const tr_torrent * torrent,
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tr_direction direction );
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/* get the index of this piece's first block */
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#define tr_torPieceFirstBlock( tor, piece ) ( ( piece ) *\
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( tor )->blockCountInPiece )
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/* what piece index is this block in? */
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#define tr_torBlockPiece( tor, block ) ( ( block ) /\
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( tor )->blockCountInPiece )
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/* how many blocks are in this piece? */
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#define tr_torPieceCountBlocks( tor, piece ) \
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( ( ( piece ) ==\
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( ( tor )->info.pieceCount - \
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1 ) ) ? ( tor )->blockCountInLastPiece : ( tor )->blockCountInPiece )
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/* how many bytes are in this piece? */
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#define tr_torPieceCountBytes( tor, piece ) \
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( ( ( piece ) ==\
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( ( tor )->info.pieceCount - \
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1 ) ) ? ( tor )->lastPieceSize : ( tor )->info.pieceSize )
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/* how many bytes are in this block? */
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#define tr_torBlockCountBytes( tor, block ) \
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( ( ( block ) ==\
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( ( tor )->blockCount - \
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1 ) ) ? ( tor )->lastBlockSize : ( tor )->blockSize )
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#define tr_block( a, b ) _tr_block( tor, a, b )
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tr_block_index_t _tr_block( const tr_torrent * tor,
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tr_piece_index_t index,
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uint32_t offset );
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int tr_torrentReqIsValid( const tr_torrent * tor,
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tr_piece_index_t index,
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uint32_t offset,
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uint32_t length );
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uint64_t tr_pieceOffset( const tr_torrent * tor,
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tr_piece_index_t index,
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uint32_t offset,
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uint32_t length );
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void tr_torrentInitFilePriority( tr_torrent * tor,
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tr_file_index_t fileIndex,
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tr_priority_t priority );
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int tr_torrentCountUncheckedPieces( const tr_torrent * );
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int tr_torrentIsPieceChecked( const tr_torrent * tor,
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tr_piece_index_t piece );
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int tr_torrentIsFileChecked( const tr_torrent * tor,
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tr_file_index_t file );
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void tr_torrentSetPieceChecked( tr_torrent * tor,
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tr_piece_index_t piece,
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int isChecked );
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void tr_torrentSetFileChecked( tr_torrent * tor,
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tr_file_index_t file,
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int isChecked );
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void tr_torrentUncheck( tr_torrent * tor );
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int tr_torrentPromoteTracker( tr_torrent * tor,
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int trackerIndex );
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time_t* tr_torrentGetMTimes( const tr_torrent * tor,
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size_t * setmeCount );
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typedef enum
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{
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TR_VERIFY_NONE,
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TR_VERIFY_WAIT,
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TR_VERIFY_NOW
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}
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tr_verify_state;
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struct tr_torrent
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{
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tr_session * session;
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tr_info info;
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int uploadLimit;
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tr_speedlimit uploadLimitMode;
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int downloadLimit;
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tr_speedlimit downloadLimitMode;
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struct tr_ratecontrol * swarmSpeed;
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int error;
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char errorString[128];
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uint8_t obfuscatedHash[SHA_DIGEST_LENGTH];
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/* Where to download */
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char * downloadDir;
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/* How many bytes we ask for per request */
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uint32_t blockSize;
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tr_block_index_t blockCount;
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uint32_t lastBlockSize;
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uint32_t lastPieceSize;
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uint32_t blockCountInPiece;
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uint32_t blockCountInLastPiece;
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struct tr_completion * completion;
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struct tr_bitfield * checkedPieces;
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tr_completeness completeness;
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struct tr_tracker * tracker;
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struct tr_publisher_tag * trackerSubscription;
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uint64_t downloadedCur;
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uint64_t downloadedPrev;
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uint64_t uploadedCur;
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uint64_t uploadedPrev;
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uint64_t corruptCur;
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uint64_t corruptPrev;
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time_t addedDate;
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time_t activityDate;
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time_t doneDate;
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time_t startDate;
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tr_torrent_completeness_func * completeness_func;
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void * completeness_func_user_data;
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unsigned int isRunning : 1;
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unsigned int isDeleting : 1;
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uint16_t maxConnectedPeers;
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tr_verify_state verifyState;
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time_t lastStatTime;
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tr_stat stats;
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tr_torrent * next;
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int uniqueId;
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struct tr_bandwidth * bandwidth[2];
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};
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#endif
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