| 1 | /****************************************************************************** |
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| 2 | * $Id: inout.h 2462 2007-07-23 03:00:20Z charles $ |
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| 3 | * |
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| 4 | * Copyright (c) 2005-2006 Transmission authors and contributors |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included in |
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| 14 | * all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 22 | * DEALINGS IN THE SOFTWARE. |
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| 23 | *****************************************************************************/ |
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| 24 | |
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| 25 | #ifndef TR_IO_H |
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| 26 | #define TR_IO_H 1 |
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| 27 | |
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| 28 | typedef struct tr_io_s tr_io_t; |
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| 29 | |
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| 30 | void tr_ioCheckFiles ( tr_torrent_t * ); |
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| 31 | |
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| 32 | tr_io_t * tr_ioNew ( tr_torrent_t * ); |
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| 33 | |
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| 34 | /*********************************************************************** |
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| 35 | * tr_ioRead, tr_ioWrite |
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| 36 | *********************************************************************** |
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| 37 | * Reads or writes the block specified by the piece index, the offset in |
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| 38 | * that piece and the size of the block. Returns 0 if successful, |
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| 39 | * TR_ERROR_ASSERT if the parameters are incorrect, one of the |
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| 40 | * TR_ERROR_IO_* otherwise. |
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| 41 | **********************************************************************/ |
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| 42 | int tr_ioRead ( tr_io_t *, int index, int begin, int len, uint8_t * ); |
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| 43 | int tr_ioWrite ( tr_io_t *, int index, int begin, int len, uint8_t * ); |
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| 44 | |
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| 45 | /*********************************************************************** |
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| 46 | * tr_ioHash |
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| 47 | *********************************************************************** |
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| 48 | * Hashes the specified piece and updates the completion accordingly. |
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| 49 | **********************************************************************/ |
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| 50 | int tr_ioHash ( tr_io_t *, int piece ); |
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| 51 | |
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| 52 | /*********************************************************************** |
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| 53 | * tr_ioSync |
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| 54 | *********************************************************************** |
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| 55 | * Flush all data on disc by closing all files, and update the cache |
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| 56 | * file. |
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| 57 | **********************************************************************/ |
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| 58 | void tr_ioSync( tr_io_t * ); |
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| 59 | |
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| 60 | void tr_ioClose ( tr_io_t * ); |
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| 61 | |
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| 62 | #endif |
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