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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