| 1 | /****************************************************************************** |
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| 2 | * Copyright (c) 2005 Eric Petit |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice shall be included in |
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| 12 | * all copies or substantial portions of the Software. |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 20 | * DEALINGS IN THE SOFTWARE. |
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| 21 | *****************************************************************************/ |
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| 22 | |
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| 23 | struct tr_completion_s |
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| 24 | { |
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| 25 | tr_torrent_t * tor; |
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| 26 | uint8_t * blockBitfield; |
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| 27 | uint8_t * blockDownloaders; |
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| 28 | int blockCount; |
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| 29 | uint8_t * pieceBitfield; |
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| 30 | int * missingBlocks; |
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| 31 | }; |
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| 32 | |
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| 33 | tr_completion_t * tr_cpInit( tr_torrent_t * ); |
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| 34 | void tr_cpClose( tr_completion_t * ); |
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| 35 | void tr_cpReset( tr_completion_t * ); |
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| 36 | |
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| 37 | /* General */ |
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| 38 | float tr_cpCompletionAsFloat( tr_completion_t * ); |
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| 39 | static inline int tr_cpIsSeeding( tr_completion_t * cp ) |
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| 40 | { |
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| 41 | return ( cp->blockCount == cp->tor->blockCount ); |
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| 42 | } |
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| 43 | uint64_t tr_cpLeftBytes( tr_completion_t * ); |
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| 44 | |
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| 45 | /* Pieces */ |
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| 46 | int tr_cpPieceIsComplete( tr_completion_t *, int piece ); |
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| 47 | uint8_t * tr_cpPieceBitfield( tr_completion_t * ); |
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| 48 | void tr_cpPieceAdd( tr_completion_t *, int piece ); |
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| 49 | |
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| 50 | /* Blocks */ |
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| 51 | void tr_cpDownloaderAdd( tr_completion_t *, int block ); |
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| 52 | void tr_cpDownloaderRem( tr_completion_t *, int block ); |
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| 53 | int tr_cpBlockIsComplete( tr_completion_t *, int block ); |
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| 54 | void tr_cpBlockAdd( tr_completion_t *, int block ); |
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| 55 | void tr_cpBlockRem( tr_completion_t *, int block ); |
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| 56 | uint8_t * tr_cpBlockBitfield( tr_completion_t * ); |
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| 57 | void tr_cpBlockBitfieldSet( tr_completion_t *, uint8_t * ); |
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| 58 | /* Missing = we don't have it and we are not getting it from any peer yet */ |
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| 59 | static inline int tr_cpMissingBlocksForPiece( tr_completion_t * cp, int piece ) |
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| 60 | { |
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| 61 | return cp->missingBlocks[piece]; |
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| 62 | } |
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| 63 | int tr_cpMissingBlockInPiece( tr_completion_t *, int piece ); |
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| 64 | int tr_cpMostMissingBlockInPiece( tr_completion_t *, int piece, |
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| 65 | int * downloaders ); |
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