[590] | 1 | //vio.c: |
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| 2 | |
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[690] | 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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[690] | 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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[5109] | 36 | #define _LIBROAR_NOATTR_TO_STATIC /* ignore warnings for TO_STATIC functions */ |
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[590] | 37 | #include "libroar.h" |
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[3895] | 38 | |
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| 39 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 40 | #include <sys/ioctl.h> |
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[3895] | 41 | #endif |
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[590] | 42 | |
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[1474] | 43 | #ifdef ROAR_HAVE_IO_POSIX |
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| 44 | #define _CAN_OPERATE |
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| 45 | #endif |
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| 46 | |
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[4963] | 47 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
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| 48 | if ( calls == NULL ) { |
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| 49 | roar_err_set(ROAR_ERROR_FAULT); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | |
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| 53 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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[5378] | 54 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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[5388] | 55 | calls->refc = 1; |
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[4963] | 56 | |
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| 57 | return 0; |
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| 58 | } |
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| 59 | |
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[5377] | 60 | static int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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[4873] | 61 | if ( vio == NULL ) { |
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| 62 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 63 | return -1; |
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[4873] | 64 | } |
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[881] | 65 | |
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[989] | 66 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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[881] | 67 | } |
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| 68 | |
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| 69 | |
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| 70 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 71 | ssize_t ret; |
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| 72 | |
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[1319] | 73 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 74 | |
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[4873] | 75 | if ( vio == NULL ) { |
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| 76 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 77 | return -1; |
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[4873] | 78 | } |
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[881] | 79 | |
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[4873] | 80 | if ( vio->read == NULL ) { |
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| 81 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 82 | return -1; |
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[4873] | 83 | } |
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[881] | 84 | |
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[4873] | 85 | roar_err_clear_all(); |
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| 86 | ret = vio->read(vio, buf, count); |
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| 87 | roar_err_update(); |
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| 88 | |
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| 89 | return ret; |
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[881] | 90 | } |
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| 91 | |
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| 92 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 93 | ssize_t ret; |
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| 94 | |
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[3276] | 95 | ROAR_DBG("roar_vio_write(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 96 | |
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[4873] | 97 | if ( vio == NULL ) { |
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| 98 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 99 | return -1; |
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[4873] | 100 | } |
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[881] | 101 | |
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[4873] | 102 | if ( vio->write == NULL ) { |
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| 103 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 104 | return -1; |
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[4873] | 105 | } |
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[881] | 106 | |
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[4873] | 107 | roar_err_clear_all(); |
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| 108 | ret = vio->write(vio, buf, count); |
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| 109 | roar_err_update(); |
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| 110 | |
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| 111 | return ret; |
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[881] | 112 | } |
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| 113 | |
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[5278] | 114 | roar_off_t roar_vio_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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| 115 | roar_off_t ret; |
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[4873] | 116 | |
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[5278] | 117 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%li, whence=%i) = ?", vio, (long int)offset, whence); |
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[3276] | 118 | |
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[4873] | 119 | if ( vio == NULL ) { |
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| 120 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 121 | return -1; |
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[4873] | 122 | } |
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[881] | 123 | |
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[4873] | 124 | if ( vio->lseek == NULL ) { |
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| 125 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 126 | return -1; |
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[4873] | 127 | } |
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[881] | 128 | |
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[4873] | 129 | roar_err_clear_all(); |
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| 130 | ret = vio->lseek(vio, offset, whence); |
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| 131 | roar_err_update(); |
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| 132 | |
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| 133 | return ret; |
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[881] | 134 | } |
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| 135 | |
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[1118] | 136 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[3276] | 137 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 138 | |
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[4873] | 139 | if ( vio == NULL ) { |
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| 140 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 141 | return -1; |
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[4873] | 142 | } |
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[1118] | 143 | |
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[5276] | 144 | return roar_vio_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &state); |
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[1118] | 145 | } |
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| 146 | |
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| 147 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 148 | int ret; |
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| 149 | |
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[3276] | 150 | ROAR_DBG("roar_vio_sync(vio=%p) = ?", vio); |
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| 151 | |
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[4873] | 152 | if ( vio == NULL ) { |
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| 153 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 154 | return -1; |
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[4873] | 155 | } |
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[1118] | 156 | |
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[4873] | 157 | if ( vio->sync == NULL ) { |
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| 158 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 159 | return -1; |
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[4873] | 160 | } |
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[1118] | 161 | |
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[4873] | 162 | roar_err_clear_all(); |
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| 163 | ret = vio->sync(vio); |
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| 164 | roar_err_update(); |
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| 165 | |
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| 166 | return ret; |
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[1118] | 167 | } |
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| 168 | |
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[5278] | 169 | int roar_vio_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[4873] | 170 | int ret; |
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| 171 | |
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[3276] | 172 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i, data=%p) = ?", vio, cmd, data); |
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| 173 | |
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[4873] | 174 | if ( vio == NULL ) { |
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| 175 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 176 | return -1; |
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[4873] | 177 | } |
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[1140] | 178 | |
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[1615] | 179 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 180 | |
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[4831] | 181 | switch (cmd) { |
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| 182 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 183 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 184 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Your progam uses a VIO ctl call with a conflicting ID.", vio, cmd, data); |
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| 185 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Please recompile your program to fix this. (No additional steps are required beside that.)", vio, cmd, data); |
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| 186 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 187 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 188 | return -1; |
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| 189 | break; |
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| 190 | } |
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| 191 | |
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[4873] | 192 | if ( vio->ctl == NULL ) { |
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| 193 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 194 | return -1; |
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[4873] | 195 | } |
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[1140] | 196 | |
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[4873] | 197 | roar_err_clear_all(); |
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| 198 | ret = vio->ctl(vio, cmd, data); |
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| 199 | roar_err_update(); |
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| 200 | |
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| 201 | return ret; |
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[1140] | 202 | } |
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| 203 | |
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[5388] | 204 | |
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| 205 | int roar_vio_ref (struct roar_vio_calls * vio) { |
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| 206 | if ( vio == NULL ) { |
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| 207 | roar_err_set(ROAR_ERROR_FAULT); |
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| 208 | return -1; |
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| 209 | } |
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| 210 | |
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| 211 | vio->refc++; |
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| 212 | |
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| 213 | return 0; |
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| 214 | } |
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| 215 | |
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| 216 | int roar_vio_unref (struct roar_vio_calls * vio) { |
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[4873] | 217 | int ret; |
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| 218 | |
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[5388] | 219 | ROAR_DBG("roar_vio_unref(vio=%p) = ?", vio); |
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[3276] | 220 | |
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[4873] | 221 | if ( vio == NULL ) { |
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| 222 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 223 | return -1; |
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[4873] | 224 | } |
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[1241] | 225 | |
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[5388] | 226 | if ( vio->refc == 1 && vio->close == NULL ) { |
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[4873] | 227 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 228 | return -1; |
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[4873] | 229 | } |
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[1241] | 230 | |
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[5388] | 231 | vio->refc--; |
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| 232 | |
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| 233 | if ( vio->refc ) |
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| 234 | return 0; |
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| 235 | |
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[4873] | 236 | roar_err_clear_all(); |
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| 237 | ret = vio->close(vio); |
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| 238 | roar_err_update(); |
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| 239 | |
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[5388] | 240 | if ( vio->flags & ROAR_VIO_FLAGS_FREESELF ) |
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| 241 | roar_mm_free(vio); |
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| 242 | |
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[4873] | 243 | return ret; |
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[1241] | 244 | } |
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| 245 | |
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[3769] | 246 | // specal commands: |
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| 247 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 248 | if (dst == NULL || calls == NULL) { |
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| 249 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 250 | return -1; |
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[4873] | 251 | } |
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[3769] | 252 | |
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| 253 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 254 | } |
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| 255 | |
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[3796] | 256 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 257 | if (vio == NULL) { |
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| 258 | roar_err_set(ROAR_ERROR_FAULT); |
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| 259 | return -1; |
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| 260 | } |
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| 261 | |
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| 262 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 263 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 264 | roar_err_set(ROAR_ERROR_INVAL); |
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| 265 | return -1; |
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| 266 | } |
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| 267 | |
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[3796] | 268 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 269 | } |
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| 270 | |
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[1252] | 271 | // converters: |
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| 272 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 273 | if ( calls == NULL ) { |
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| 274 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 275 | return -1; |
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[4968] | 276 | } |
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[1252] | 277 | |
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[5377] | 278 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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[5388] | 279 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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| 280 | calls->refc = 1; |
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[1252] | 281 | |
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[5377] | 282 | calls->read = roar_vio_basic_read; |
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| 283 | calls->write = roar_vio_basic_write; |
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| 284 | calls->lseek = roar_vio_basic_lseek; |
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| 285 | calls->sync = roar_vio_basic_sync; |
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| 286 | calls->ctl = roar_vio_basic_ctl; |
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| 287 | calls->close = roar_vio_basic_close; |
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| 288 | |
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| 289 | calls->inst = (void*)(ROAR_INSTINT)(fh + 1); |
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| 290 | |
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| 291 | return 0; |
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[1252] | 292 | } |
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| 293 | |
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[1290] | 294 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 295 | if ( calls == NULL ) { |
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| 296 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 297 | return -1; |
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[4968] | 298 | } |
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[1290] | 299 | |
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[1666] | 300 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 301 | return -1; |
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| 302 | |
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[1760] | 303 | #ifdef ROAR_TARGET_WIN32 |
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| 304 | calls->read = roar_vio_winsock_read; |
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| 305 | calls->write = roar_vio_winsock_write; |
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| 306 | calls->sync = roar_vio_winsock_sync; |
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| 307 | calls->ctl = roar_vio_winsock_ctl; |
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| 308 | calls->close = roar_vio_winsock_close; |
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| 309 | #else |
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| 310 | calls->sync = roar_vio_null_sync; |
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| 311 | #endif |
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[1666] | 312 | |
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| 313 | return 0; |
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[1290] | 314 | } |
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| 315 | |
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[5260] | 316 | int roar_vio_open_socket (struct roar_vio_calls * calls, const char * host, int port) { |
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[1291] | 317 | int fh; |
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| 318 | |
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[4968] | 319 | if ( calls == NULL ) { |
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| 320 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 321 | return -1; |
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[4968] | 322 | } |
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[1291] | 323 | |
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[5375] | 324 | if ( (fh = roar_socket_connect(ROAR_SOCKET_TYPE_UNKNOWN, host, port)) == -1 ) |
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[1291] | 325 | return -1; |
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| 326 | |
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| 327 | return roar_vio_open_fh_socket(calls, fh); |
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| 328 | } |
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| 329 | |
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[5260] | 330 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, const char * host, int port) { |
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[1291] | 331 | int fh; |
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| 332 | |
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[4968] | 333 | if ( calls == NULL ) { |
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| 334 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 335 | return -1; |
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[4968] | 336 | } |
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[1291] | 337 | |
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| 338 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 339 | return -1; |
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| 340 | |
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| 341 | return roar_vio_open_fh_socket(calls, fh); |
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| 342 | } |
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| 343 | |
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[2841] | 344 | |
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[886] | 345 | // VIOs: |
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[881] | 346 | |
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[886] | 347 | // basic |
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[881] | 348 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 349 | #ifdef _CAN_OPERATE |
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[881] | 350 | return read(roar_vio_get_fh(vio), buf, count); |
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[1474] | 351 | #else |
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[4968] | 352 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 353 | return -1; |
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| 354 | #endif |
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[881] | 355 | } |
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| 356 | |
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| 357 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 358 | #ifdef _CAN_OPERATE |
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[881] | 359 | return write(roar_vio_get_fh(vio), buf, count); |
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[1474] | 360 | #else |
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[4968] | 361 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 362 | return -1; |
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| 363 | #endif |
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[881] | 364 | } |
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| 365 | |
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[5278] | 366 | roar_off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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[1474] | 367 | #ifdef _CAN_OPERATE |
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[881] | 368 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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[1474] | 369 | #else |
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[4968] | 370 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 371 | return -1; |
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| 372 | #endif |
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[881] | 373 | } |
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| 374 | |
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[1118] | 375 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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[1397] | 376 | #ifdef ROAR_FDATASYNC |
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[1171] | 377 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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[1397] | 378 | #else |
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| 379 | return 0; |
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| 380 | #endif |
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[1118] | 381 | } |
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| 382 | |
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[5278] | 383 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[3895] | 384 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 385 | struct roar_vio_sysio_ioctl * sysioctl; |
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[3895] | 386 | #endif |
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[4718] | 387 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
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| 388 | struct roar_vio_sysio_sockopt * syssockopt; |
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| 389 | #endif |
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[3796] | 390 | int tmp; |
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| 391 | int s_r = 0, s_w = 0; |
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[4705] | 392 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
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| 393 | union { |
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| 394 | struct sockaddr sa; |
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| 395 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
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| 396 | struct sockaddr_in in; |
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| 397 | #endif |
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| 398 | #ifdef ROAR_HAVE_UNIX |
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| 399 | struct sockaddr_un un; |
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| 400 | #endif |
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| 401 | #ifdef ROAR_HAVE_LIBDNET |
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| 402 | struct sockaddr_dn dn; |
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| 403 | #endif |
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| 404 | #ifdef ROAR_HAVE_IPV6 |
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| 405 | struct sockaddr_in6 in6; |
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| 406 | #endif |
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| 407 | #ifdef ROAR_HAVE_IPX |
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| 408 | struct sockaddr_ipx ipx; |
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| 409 | #endif |
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| 410 | } sockaddr; |
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| 411 | socklen_t socklen; |
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| 412 | struct roar_sockname * rsockname; |
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| 413 | #endif |
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[1505] | 414 | |
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[4968] | 415 | if ( vio == NULL ) { |
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| 416 | roar_err_set(ROAR_ERROR_FAULT); |
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[1505] | 417 | return -1; |
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[4968] | 418 | } |
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| 419 | |
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| 420 | if ( cmd == -1 ) { |
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| 421 | roar_err_set(ROAR_ERROR_INVAL); |
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| 422 | return -1; |
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| 423 | } |
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[1505] | 424 | |
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[1615] | 425 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
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| 426 | |
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[1505] | 427 | switch (cmd) { |
---|
[3795] | 428 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 429 | if ( data == NULL ) { |
---|
| 430 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 431 | return -1; |
---|
[4968] | 432 | } |
---|
[3795] | 433 | |
---|
| 434 | *(char**)data = "basic"; |
---|
| 435 | return 0; |
---|
| 436 | break; |
---|
[1505] | 437 | case ROAR_VIO_CTL_GET_FH: |
---|
| 438 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 439 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 440 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 441 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 442 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 443 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_*FH(0x%.8x), data=%p) = 0 // fh=%i", vio, cmd, data, roar_vio_get_fh(vio)); |
---|
[1505] | 444 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 445 | return 0; |
---|
| 446 | break; |
---|
[2054] | 447 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 448 | vio->sync = NULL; |
---|
| 449 | return 0; |
---|
| 450 | break; |
---|
[3769] | 451 | case ROAR_VIO_CTL_ACCEPT: |
---|
[5391] | 452 | #ifdef ROAR_HAVE_ACCEPT |
---|
[3898] | 453 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 454 | if ( tmp == -1 ) |
---|
[3769] | 455 | return -1; |
---|
| 456 | |
---|
| 457 | // most proably a socket. |
---|
[3796] | 458 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 459 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 460 | closesocket(tmp); |
---|
[3769] | 461 | #else |
---|
[3796] | 462 | close(tmp); |
---|
[3769] | 463 | #endif |
---|
| 464 | return -1; |
---|
| 465 | } |
---|
| 466 | |
---|
| 467 | return 0; |
---|
[5391] | 468 | #else |
---|
| 469 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
| 470 | return -1; |
---|
| 471 | #endif |
---|
[3769] | 472 | break; |
---|
[3796] | 473 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 474 | tmp = *(int*)data; |
---|
| 475 | |
---|
| 476 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 477 | s_r = 1; |
---|
| 478 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 479 | } |
---|
| 480 | |
---|
| 481 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 482 | s_w = 1; |
---|
| 483 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 484 | } |
---|
| 485 | |
---|
[4968] | 486 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 487 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 488 | return -1; |
---|
[4968] | 489 | } |
---|
[3796] | 490 | |
---|
| 491 | if ( s_r && s_w ) { |
---|
| 492 | tmp = SHUT_RDWR; |
---|
| 493 | } else if ( s_r ) { |
---|
| 494 | tmp = SHUT_RD; |
---|
| 495 | } else if ( s_w ) { |
---|
| 496 | tmp = SHUT_WR; |
---|
| 497 | } else { |
---|
| 498 | return 0; // nothing to do. |
---|
| 499 | } |
---|
| 500 | |
---|
[3858] | 501 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 502 | break; |
---|
[4705] | 503 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 504 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 505 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 506 | if ( data == NULL ) { |
---|
| 507 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 508 | return -1; |
---|
[4968] | 509 | } |
---|
[4705] | 510 | |
---|
| 511 | rsockname = data; |
---|
| 512 | |
---|
| 513 | socklen = sizeof(sockaddr); |
---|
| 514 | |
---|
| 515 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
| 516 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 517 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 518 | #else |
---|
[4968] | 519 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 520 | return -1; |
---|
| 521 | #endif |
---|
| 522 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
| 523 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 524 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 525 | #else |
---|
[4968] | 526 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 527 | return -1; |
---|
| 528 | #endif |
---|
| 529 | } else { |
---|
[4968] | 530 | // memory corruption: |
---|
[4973] | 531 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 532 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 533 | return -1; |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | if ( tmp == -1 ) |
---|
| 537 | return -1; |
---|
| 538 | |
---|
| 539 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 540 | |
---|
| 541 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 542 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 543 | case AF_UNIX: |
---|
| 544 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 545 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 546 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 547 | if ( rsockname->addr == NULL ) |
---|
| 548 | return -1; |
---|
| 549 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 550 | } else { |
---|
| 551 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 552 | } |
---|
| 553 | break; |
---|
| 554 | #endif |
---|
[4730] | 555 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 556 | case AF_DECnet: |
---|
| 557 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 558 | |
---|
[4968] | 559 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 560 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 561 | return -1; |
---|
[4968] | 562 | } |
---|
[4705] | 563 | |
---|
| 564 | rsockname->addr = roar_mm_malloc(28); |
---|
| 565 | if ( rsockname->addr == NULL ) |
---|
| 566 | return -1; |
---|
| 567 | |
---|
| 568 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 569 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 570 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 571 | |
---|
| 572 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 573 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 574 | tmp = strlen(rsockname->addr); |
---|
| 575 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 576 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 577 | } |
---|
| 578 | break; |
---|
| 579 | #endif |
---|
[4730] | 580 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 581 | case AF_INET: |
---|
| 582 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 583 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 584 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 585 | break; |
---|
| 586 | #endif |
---|
[4730] | 587 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 588 | case AF_INET6: |
---|
| 589 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 590 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 591 | break; |
---|
| 592 | #endif |
---|
| 593 | default: |
---|
[4968] | 594 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 595 | return -1; |
---|
| 596 | } |
---|
| 597 | return 0; |
---|
| 598 | #endif |
---|
| 599 | break; |
---|
[3895] | 600 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 601 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 602 | sysioctl = data; |
---|
| 603 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 604 | break; |
---|
[3895] | 605 | #endif |
---|
[4718] | 606 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 607 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 608 | syssockopt = data; |
---|
| 609 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 610 | break; |
---|
| 611 | #endif |
---|
| 612 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 613 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 614 | syssockopt = data; |
---|
| 615 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 616 | break; |
---|
| 617 | #endif |
---|
[5276] | 618 | case ROAR_VIO_CTL_NONBLOCK: |
---|
| 619 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), *(int*)data) == -1 ) |
---|
| 620 | return -1; |
---|
| 621 | |
---|
| 622 | if ( *(int*)data == ROAR_SOCKET_NONBLOCK ) |
---|
| 623 | return 0; |
---|
| 624 | |
---|
| 625 | roar_vio_sync(vio); |
---|
| 626 | return 0; |
---|
| 627 | break; |
---|
[1505] | 628 | } |
---|
| 629 | |
---|
[4873] | 630 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 631 | return -1; |
---|
| 632 | } |
---|
| 633 | |
---|
[1241] | 634 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 635 | #ifdef _CAN_OPERATE |
---|
[1336] | 636 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 637 | return close(roar_vio_get_fh(vio)); |
---|
| 638 | |
---|
| 639 | return 0; |
---|
[1474] | 640 | #else |
---|
[4968] | 641 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 642 | return -1; |
---|
| 643 | #endif |
---|
[1241] | 644 | } |
---|
| 645 | |
---|
[943] | 646 | // null |
---|
| 647 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[5270] | 648 | (void)count; |
---|
| 649 | |
---|
[4968] | 650 | if ( vio == NULL || buf == NULL ) { |
---|
| 651 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 652 | return -1; |
---|
[4968] | 653 | } |
---|
[943] | 654 | |
---|
| 655 | return 0; |
---|
| 656 | } |
---|
| 657 | |
---|
[1665] | 658 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
[5270] | 659 | (void)vio; |
---|
[1665] | 660 | return 0; |
---|
| 661 | } |
---|
| 662 | |
---|
[886] | 663 | // pass |
---|
[1247] | 664 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 665 | if ( calls == NULL || dst == NULL ) { |
---|
| 666 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 667 | return -1; |
---|
[4968] | 668 | } |
---|
[1247] | 669 | |
---|
| 670 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
[5388] | 671 | calls->flags = ROAR_VIO_FLAGS_NONE; |
---|
| 672 | calls->refc = 1; |
---|
[1247] | 673 | |
---|
| 674 | calls->read = roar_vio_pass_read; |
---|
| 675 | calls->write = roar_vio_pass_write; |
---|
| 676 | calls->lseek = roar_vio_pass_lseek; |
---|
| 677 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 678 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 679 | calls->close = roar_vio_pass_close; |
---|
| 680 | |
---|
| 681 | calls->inst = dst; |
---|
| 682 | |
---|
| 683 | return 0; |
---|
| 684 | } |
---|
| 685 | |
---|
[886] | 686 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 687 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 691 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 692 | } |
---|
| 693 | |
---|
[5278] | 694 | roar_off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 695 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 696 | } |
---|
| 697 | |
---|
[1241] | 698 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 699 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 700 | } |
---|
| 701 | |
---|
[5278] | 702 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
[4968] | 703 | if (vio == NULL) { |
---|
| 704 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 705 | return -1; |
---|
[4968] | 706 | } |
---|
| 707 | |
---|
| 708 | if (cmd == -1) { |
---|
| 709 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 710 | return -1; |
---|
| 711 | } |
---|
[1505] | 712 | |
---|
[1615] | 713 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 714 | |
---|
[1505] | 715 | switch (cmd) { |
---|
[3795] | 716 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 717 | if ( data == NULL ) { |
---|
| 718 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 719 | return -1; |
---|
[4968] | 720 | } |
---|
[3795] | 721 | |
---|
[4829] | 722 | // dirty trick to get real name... |
---|
| 723 | if ( vio->read == roar_vio_re_read ) { |
---|
| 724 | *(char**)data = "re"; |
---|
| 725 | } else { |
---|
| 726 | *(char**)data = "pass"; |
---|
| 727 | } |
---|
[3795] | 728 | return 0; |
---|
| 729 | break; |
---|
[1505] | 730 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 731 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 732 | return 0; |
---|
| 733 | break; |
---|
| 734 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 735 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 736 | return 0; |
---|
| 737 | break; |
---|
| 738 | } |
---|
| 739 | |
---|
[1241] | 740 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 744 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 745 | } |
---|
| 746 | |
---|
[886] | 747 | |
---|
| 748 | // re |
---|
[1247] | 749 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 750 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 751 | return -1; |
---|
| 752 | |
---|
| 753 | calls->read = roar_vio_re_read; |
---|
| 754 | calls->write = roar_vio_re_write; |
---|
| 755 | calls->lseek = roar_vio_re_lseek; |
---|
| 756 | |
---|
| 757 | return 0; |
---|
| 758 | } |
---|
[886] | 759 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 760 | size_t len = 0; |
---|
| 761 | ssize_t r = -1; |
---|
| 762 | |
---|
[4968] | 763 | if ( vio == NULL ) { |
---|
| 764 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 765 | return -1; |
---|
[4968] | 766 | } |
---|
[886] | 767 | |
---|
[4968] | 768 | if ( vio->inst == NULL ) { |
---|
| 769 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 770 | return -1; |
---|
[4968] | 771 | } |
---|
[886] | 772 | |
---|
[4873] | 773 | roar_err_clear_all(); |
---|
[886] | 774 | |
---|
| 775 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 776 | len += r; |
---|
| 777 | buf += r; |
---|
| 778 | count -= r; |
---|
| 779 | if ( count == 0 ) |
---|
| 780 | break; |
---|
| 781 | } |
---|
| 782 | |
---|
| 783 | if ( len == 0 && r == -1 ) |
---|
| 784 | return -1; |
---|
| 785 | |
---|
| 786 | return len; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 790 | size_t len = 0; |
---|
| 791 | ssize_t r = -1; |
---|
| 792 | |
---|
[4968] | 793 | if ( vio == NULL ) { |
---|
| 794 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 795 | return -1; |
---|
[4968] | 796 | } |
---|
[886] | 797 | |
---|
[4968] | 798 | if ( vio->inst == NULL ) { |
---|
| 799 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 800 | return -1; |
---|
[4968] | 801 | } |
---|
[886] | 802 | |
---|
[4873] | 803 | roar_err_clear_all(); |
---|
[886] | 804 | |
---|
| 805 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 806 | len += r; |
---|
| 807 | buf += r; |
---|
| 808 | count -= r; |
---|
| 809 | if ( count == 0 ) |
---|
| 810 | break; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | if ( len == 0 && r == -1 ) |
---|
| 814 | return -1; |
---|
| 815 | |
---|
| 816 | return len; |
---|
| 817 | } |
---|
| 818 | |
---|
[1247] | 819 | // TODO: we should do a some more intelgent thing here. |
---|
[5278] | 820 | roar_off_t roar_vio_re_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 821 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 822 | } |
---|
| 823 | |
---|
[590] | 824 | //ll |
---|