1 | //vio_bio.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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5 | * |
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6 | * This file is part of libroar a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | * NOTE for everyone want's to change something and send patches: |
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24 | * read README and HACKING! There a addition information on |
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25 | * the license of this document you need to read before you send |
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26 | * any patches. |
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27 | * |
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28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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29 | * or libpulse*: |
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30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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31 | * and are therefore GPL. Because of this it may be illigal to use |
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32 | * them with any software that uses libesd, libartsc or libpulse*. |
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33 | */ |
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34 | |
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35 | #include "libroar.h" |
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36 | |
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37 | int roar_vio_open_bio (struct roar_vio_calls * calls, BIO * bio) { |
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38 | #ifdef ROAR_HAVE_LIBSSL |
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39 | if ( calls == NULL || bio == NULL ) |
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40 | return -1; |
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41 | |
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42 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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43 | |
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44 | calls->read = roar_vio_bio_read; |
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45 | calls->write = roar_vio_bio_write; |
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46 | calls->lseek = roar_vio_bio_lseek; |
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47 | calls->nonblock = roar_vio_bio_nonblock; |
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48 | calls->sync = roar_vio_bio_sync; |
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49 | calls->close = roar_vio_bio_close; |
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50 | |
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51 | calls->inst = (void*) bio; |
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52 | |
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53 | return 0; |
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54 | #else |
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55 | return -1; |
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56 | #endif |
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57 | } |
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58 | |
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59 | BIO * roar_vio_to_bio (struct roar_vio_calls * calls) { |
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60 | return NULL; |
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61 | } |
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62 | |
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63 | #ifdef ROAR_HAVE_LIBSSL |
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64 | ssize_t roar_vio_bio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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65 | BIO * bio = (BIO*)(vio->inst); |
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66 | int r; |
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67 | |
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68 | if ( (r = BIO_read(bio, buf, count)) == -2 ) |
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69 | return -1; |
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70 | |
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71 | return r; |
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72 | } |
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73 | ssize_t roar_vio_bio_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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74 | BIO * bio = (BIO*)(vio->inst); |
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75 | int r; |
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76 | |
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77 | if ( (r = BIO_write(bio, buf, count)) == -2 ) |
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78 | return -1; |
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79 | |
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80 | return r; |
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81 | } |
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82 | |
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83 | off_t roar_vio_bio_lseek (struct roar_vio_calls * vio, off_t offset, int whence) { |
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84 | return -1; |
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85 | } |
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86 | |
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87 | int roar_vio_bio_nonblock(struct roar_vio_calls * vio, int state) { |
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88 | return -1; |
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89 | } |
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90 | int roar_vio_bio_sync (struct roar_vio_calls * vio) { |
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91 | return -1; |
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92 | } |
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93 | |
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94 | int roar_vio_bio_close (struct roar_vio_calls * vio) { |
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95 | BIO * bio = (BIO*)(vio->inst); |
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96 | |
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97 | // TODO: check the return values |
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98 | |
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99 | BIO_flush(bio); |
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100 | BIO_free_all(bio); |
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101 | |
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102 | return 0; |
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103 | } |
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104 | #endif |
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105 | |
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106 | //ll |
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