[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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[5408] | 95 | // This function MUST NOT call ROAR_{DBG,WARN,ERR,INFO}() because that would result |
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| 96 | // in an infinit loop. |
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[3276] | 97 | |
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[4873] | 98 | if ( vio == NULL ) { |
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| 99 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 100 | return -1; |
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[4873] | 101 | } |
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[881] | 102 | |
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[4873] | 103 | if ( vio->write == NULL ) { |
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| 104 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 105 | return -1; |
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[4873] | 106 | } |
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[881] | 107 | |
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[4873] | 108 | roar_err_clear_all(); |
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| 109 | ret = vio->write(vio, buf, count); |
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| 110 | roar_err_update(); |
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| 111 | |
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| 112 | return ret; |
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[881] | 113 | } |
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| 114 | |
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[5278] | 115 | roar_off_t roar_vio_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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| 116 | roar_off_t ret; |
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[4873] | 117 | |
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[5278] | 118 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%li, whence=%i) = ?", vio, (long int)offset, whence); |
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[3276] | 119 | |
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[4873] | 120 | if ( vio == NULL ) { |
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| 121 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 122 | return -1; |
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[4873] | 123 | } |
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[881] | 124 | |
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[4873] | 125 | if ( vio->lseek == NULL ) { |
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| 126 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 127 | return -1; |
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[4873] | 128 | } |
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[881] | 129 | |
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[4873] | 130 | roar_err_clear_all(); |
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| 131 | ret = vio->lseek(vio, offset, whence); |
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| 132 | roar_err_update(); |
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| 133 | |
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| 134 | return ret; |
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[881] | 135 | } |
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| 136 | |
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[1118] | 137 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[3276] | 138 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 139 | |
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[4873] | 140 | if ( vio == NULL ) { |
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| 141 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 142 | return -1; |
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[4873] | 143 | } |
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[1118] | 144 | |
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[5276] | 145 | return roar_vio_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &state); |
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[1118] | 146 | } |
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| 147 | |
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| 148 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 149 | int ret; |
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| 150 | |
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[5408] | 151 | // This function MUST NOT call ROAR_{DBG,WARN,ERR,INFO}() because that would result |
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| 152 | // in an infinit loop. |
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[3276] | 153 | |
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[4873] | 154 | if ( vio == NULL ) { |
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| 155 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 156 | return -1; |
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[4873] | 157 | } |
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[1118] | 158 | |
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[4873] | 159 | if ( vio->sync == NULL ) { |
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| 160 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 161 | return -1; |
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[4873] | 162 | } |
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[1118] | 163 | |
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[4873] | 164 | roar_err_clear_all(); |
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| 165 | ret = vio->sync(vio); |
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| 166 | roar_err_update(); |
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| 167 | |
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| 168 | return ret; |
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[1118] | 169 | } |
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| 170 | |
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[5278] | 171 | int roar_vio_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[4873] | 172 | int ret; |
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| 173 | |
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[5408] | 174 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i(0x%.8x), data=%p) = ?", vio, cmd, cmd, data); |
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[3276] | 175 | |
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[4873] | 176 | if ( vio == NULL ) { |
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| 177 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 178 | return -1; |
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[4873] | 179 | } |
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[1140] | 180 | |
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[1615] | 181 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 182 | |
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[4831] | 183 | switch (cmd) { |
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| 184 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 185 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 186 | 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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| 187 | 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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| 188 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 189 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 190 | return -1; |
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| 191 | break; |
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| 192 | } |
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| 193 | |
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[4873] | 194 | if ( vio->ctl == NULL ) { |
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| 195 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 196 | return -1; |
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[4873] | 197 | } |
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[1140] | 198 | |
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[4873] | 199 | roar_err_clear_all(); |
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| 200 | ret = vio->ctl(vio, cmd, data); |
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| 201 | roar_err_update(); |
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| 202 | |
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| 203 | return ret; |
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[1140] | 204 | } |
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| 205 | |
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[5388] | 206 | |
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| 207 | int roar_vio_ref (struct roar_vio_calls * vio) { |
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| 208 | if ( vio == NULL ) { |
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| 209 | roar_err_set(ROAR_ERROR_FAULT); |
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| 210 | return -1; |
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| 211 | } |
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| 212 | |
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| 213 | vio->refc++; |
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| 214 | |
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| 215 | return 0; |
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| 216 | } |
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| 217 | |
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| 218 | int roar_vio_unref (struct roar_vio_calls * vio) { |
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[4873] | 219 | int ret; |
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| 220 | |
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[5388] | 221 | ROAR_DBG("roar_vio_unref(vio=%p) = ?", vio); |
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[3276] | 222 | |
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[4873] | 223 | if ( vio == NULL ) { |
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| 224 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 225 | return -1; |
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[4873] | 226 | } |
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[1241] | 227 | |
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[5388] | 228 | if ( vio->refc == 1 && vio->close == NULL ) { |
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[4873] | 229 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 230 | return -1; |
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[4873] | 231 | } |
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[1241] | 232 | |
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[5388] | 233 | vio->refc--; |
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| 234 | |
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| 235 | if ( vio->refc ) |
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| 236 | return 0; |
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| 237 | |
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[4873] | 238 | roar_err_clear_all(); |
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| 239 | ret = vio->close(vio); |
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| 240 | roar_err_update(); |
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| 241 | |
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[5388] | 242 | if ( vio->flags & ROAR_VIO_FLAGS_FREESELF ) |
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| 243 | roar_mm_free(vio); |
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| 244 | |
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[4873] | 245 | return ret; |
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[1241] | 246 | } |
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| 247 | |
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[3769] | 248 | // specal commands: |
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| 249 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 250 | if (dst == NULL || calls == NULL) { |
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| 251 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 252 | return -1; |
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[4873] | 253 | } |
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[3769] | 254 | |
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| 255 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 256 | } |
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| 257 | |
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[3796] | 258 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 259 | if (vio == NULL) { |
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| 260 | roar_err_set(ROAR_ERROR_FAULT); |
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| 261 | return -1; |
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| 262 | } |
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| 263 | |
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| 264 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 265 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 266 | roar_err_set(ROAR_ERROR_INVAL); |
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| 267 | return -1; |
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| 268 | } |
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| 269 | |
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[3796] | 270 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 271 | } |
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| 272 | |
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[1252] | 273 | // converters: |
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| 274 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 275 | if ( calls == NULL ) { |
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| 276 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 277 | return -1; |
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[4968] | 278 | } |
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[1252] | 279 | |
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[5377] | 280 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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[5388] | 281 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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| 282 | calls->refc = 1; |
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[1252] | 283 | |
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[5377] | 284 | calls->read = roar_vio_basic_read; |
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| 285 | calls->write = roar_vio_basic_write; |
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| 286 | calls->lseek = roar_vio_basic_lseek; |
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| 287 | calls->sync = roar_vio_basic_sync; |
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| 288 | calls->ctl = roar_vio_basic_ctl; |
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| 289 | calls->close = roar_vio_basic_close; |
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| 290 | |
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| 291 | calls->inst = (void*)(ROAR_INSTINT)(fh + 1); |
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| 292 | |
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| 293 | return 0; |
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[1252] | 294 | } |
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| 295 | |
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[1290] | 296 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 297 | if ( calls == NULL ) { |
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| 298 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 299 | return -1; |
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[4968] | 300 | } |
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[1290] | 301 | |
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[1666] | 302 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 303 | return -1; |
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| 304 | |
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[1760] | 305 | #ifdef ROAR_TARGET_WIN32 |
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| 306 | calls->read = roar_vio_winsock_read; |
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| 307 | calls->write = roar_vio_winsock_write; |
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| 308 | calls->sync = roar_vio_winsock_sync; |
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| 309 | calls->ctl = roar_vio_winsock_ctl; |
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| 310 | calls->close = roar_vio_winsock_close; |
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| 311 | #else |
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| 312 | calls->sync = roar_vio_null_sync; |
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| 313 | #endif |
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[1666] | 314 | |
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| 315 | return 0; |
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[1290] | 316 | } |
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| 317 | |
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[5260] | 318 | int roar_vio_open_socket (struct roar_vio_calls * calls, const char * host, int port) { |
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[1291] | 319 | int fh; |
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| 320 | |
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[4968] | 321 | if ( calls == NULL ) { |
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| 322 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 323 | return -1; |
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[4968] | 324 | } |
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[1291] | 325 | |
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[5375] | 326 | if ( (fh = roar_socket_connect(ROAR_SOCKET_TYPE_UNKNOWN, host, port)) == -1 ) |
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[1291] | 327 | return -1; |
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| 328 | |
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| 329 | return roar_vio_open_fh_socket(calls, fh); |
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| 330 | } |
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| 331 | |
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[5260] | 332 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, const char * host, int port) { |
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[1291] | 333 | int fh; |
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| 334 | |
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[4968] | 335 | if ( calls == NULL ) { |
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| 336 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 337 | return -1; |
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[4968] | 338 | } |
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[1291] | 339 | |
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| 340 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 341 | return -1; |
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| 342 | |
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| 343 | return roar_vio_open_fh_socket(calls, fh); |
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| 344 | } |
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| 345 | |
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[2841] | 346 | |
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[886] | 347 | // VIOs: |
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[881] | 348 | |
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[886] | 349 | // basic |
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[881] | 350 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 351 | #ifdef _CAN_OPERATE |
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[881] | 352 | return read(roar_vio_get_fh(vio), buf, count); |
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[1474] | 353 | #else |
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[4968] | 354 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 355 | return -1; |
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| 356 | #endif |
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[881] | 357 | } |
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| 358 | |
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| 359 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 360 | #ifdef _CAN_OPERATE |
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[881] | 361 | return write(roar_vio_get_fh(vio), buf, count); |
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[1474] | 362 | #else |
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[4968] | 363 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 364 | return -1; |
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| 365 | #endif |
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[881] | 366 | } |
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| 367 | |
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[5278] | 368 | roar_off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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[1474] | 369 | #ifdef _CAN_OPERATE |
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[881] | 370 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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[1474] | 371 | #else |
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[4968] | 372 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 373 | return -1; |
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| 374 | #endif |
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[881] | 375 | } |
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| 376 | |
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[1118] | 377 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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[1397] | 378 | #ifdef ROAR_FDATASYNC |
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[1171] | 379 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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[1397] | 380 | #else |
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| 381 | return 0; |
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| 382 | #endif |
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[1118] | 383 | } |
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| 384 | |
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[5278] | 385 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[3895] | 386 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 387 | struct roar_vio_sysio_ioctl * sysioctl; |
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[3895] | 388 | #endif |
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[4718] | 389 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
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| 390 | struct roar_vio_sysio_sockopt * syssockopt; |
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| 391 | #endif |
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[3796] | 392 | int tmp; |
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| 393 | int s_r = 0, s_w = 0; |
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[4705] | 394 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
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| 395 | union { |
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| 396 | struct sockaddr sa; |
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| 397 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
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| 398 | struct sockaddr_in in; |
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| 399 | #endif |
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| 400 | #ifdef ROAR_HAVE_UNIX |
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| 401 | struct sockaddr_un un; |
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| 402 | #endif |
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| 403 | #ifdef ROAR_HAVE_LIBDNET |
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| 404 | struct sockaddr_dn dn; |
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| 405 | #endif |
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| 406 | #ifdef ROAR_HAVE_IPV6 |
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| 407 | struct sockaddr_in6 in6; |
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| 408 | #endif |
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| 409 | #ifdef ROAR_HAVE_IPX |
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| 410 | struct sockaddr_ipx ipx; |
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| 411 | #endif |
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| 412 | } sockaddr; |
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| 413 | socklen_t socklen; |
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| 414 | struct roar_sockname * rsockname; |
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| 415 | #endif |
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[1505] | 416 | |
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[4968] | 417 | if ( vio == NULL ) { |
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| 418 | roar_err_set(ROAR_ERROR_FAULT); |
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[1505] | 419 | return -1; |
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[4968] | 420 | } |
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| 421 | |
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| 422 | if ( cmd == -1 ) { |
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| 423 | roar_err_set(ROAR_ERROR_INVAL); |
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| 424 | return -1; |
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| 425 | } |
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[1505] | 426 | |
---|
[1615] | 427 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 428 | |
---|
[1505] | 429 | switch (cmd) { |
---|
[3795] | 430 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 431 | if ( data == NULL ) { |
---|
| 432 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 433 | return -1; |
---|
[4968] | 434 | } |
---|
[3795] | 435 | |
---|
| 436 | *(char**)data = "basic"; |
---|
| 437 | return 0; |
---|
| 438 | break; |
---|
[1505] | 439 | case ROAR_VIO_CTL_GET_FH: |
---|
| 440 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 441 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 442 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 443 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 444 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 445 | 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] | 446 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 447 | return 0; |
---|
| 448 | break; |
---|
[2054] | 449 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 450 | vio->sync = NULL; |
---|
| 451 | return 0; |
---|
| 452 | break; |
---|
[3769] | 453 | case ROAR_VIO_CTL_ACCEPT: |
---|
[5391] | 454 | #ifdef ROAR_HAVE_ACCEPT |
---|
[3898] | 455 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 456 | if ( tmp == -1 ) |
---|
[3769] | 457 | return -1; |
---|
| 458 | |
---|
| 459 | // most proably a socket. |
---|
[3796] | 460 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 461 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 462 | closesocket(tmp); |
---|
[3769] | 463 | #else |
---|
[3796] | 464 | close(tmp); |
---|
[3769] | 465 | #endif |
---|
| 466 | return -1; |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | return 0; |
---|
[5391] | 470 | #else |
---|
| 471 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
| 472 | return -1; |
---|
| 473 | #endif |
---|
[3769] | 474 | break; |
---|
[3796] | 475 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 476 | tmp = *(int*)data; |
---|
| 477 | |
---|
| 478 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 479 | s_r = 1; |
---|
| 480 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 481 | } |
---|
| 482 | |
---|
| 483 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 484 | s_w = 1; |
---|
| 485 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 486 | } |
---|
| 487 | |
---|
[4968] | 488 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 489 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 490 | return -1; |
---|
[4968] | 491 | } |
---|
[3796] | 492 | |
---|
| 493 | if ( s_r && s_w ) { |
---|
| 494 | tmp = SHUT_RDWR; |
---|
| 495 | } else if ( s_r ) { |
---|
| 496 | tmp = SHUT_RD; |
---|
| 497 | } else if ( s_w ) { |
---|
| 498 | tmp = SHUT_WR; |
---|
| 499 | } else { |
---|
| 500 | return 0; // nothing to do. |
---|
| 501 | } |
---|
| 502 | |
---|
[3858] | 503 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 504 | break; |
---|
[4705] | 505 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 506 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 507 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 508 | if ( data == NULL ) { |
---|
| 509 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 510 | return -1; |
---|
[4968] | 511 | } |
---|
[4705] | 512 | |
---|
| 513 | rsockname = data; |
---|
| 514 | |
---|
| 515 | socklen = sizeof(sockaddr); |
---|
[5525] | 516 | memset(&sockaddr, 0, socklen); // to make sure nothing will break. |
---|
| 517 | // getsockname() and getpeername() |
---|
| 518 | // seem to be broken on lost of systems. |
---|
[4705] | 519 | |
---|
| 520 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
[5408] | 521 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_SOCKNAME, data=%p) = ?", vio, data); |
---|
[4705] | 522 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 523 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 524 | #else |
---|
[4968] | 525 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 526 | return -1; |
---|
| 527 | #endif |
---|
| 528 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
[5408] | 529 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_PEERNAME, data=%p) = ?", vio, data); |
---|
[4705] | 530 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 531 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 532 | #else |
---|
[4968] | 533 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 534 | return -1; |
---|
| 535 | #endif |
---|
| 536 | } else { |
---|
[4968] | 537 | // memory corruption: |
---|
[4973] | 538 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 539 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 540 | return -1; |
---|
| 541 | } |
---|
| 542 | |
---|
[5408] | 543 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p): tmp=%i", vio, cmd, data, tmp); |
---|
[4705] | 544 | if ( tmp == -1 ) |
---|
| 545 | return -1; |
---|
| 546 | |
---|
| 547 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 548 | |
---|
| 549 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 550 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 551 | case AF_UNIX: |
---|
| 552 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 553 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 554 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 555 | if ( rsockname->addr == NULL ) |
---|
| 556 | return -1; |
---|
| 557 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 558 | } else { |
---|
| 559 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 560 | } |
---|
| 561 | break; |
---|
| 562 | #endif |
---|
[4730] | 563 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 564 | case AF_DECnet: |
---|
| 565 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 566 | |
---|
[4968] | 567 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 568 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 569 | return -1; |
---|
[4968] | 570 | } |
---|
[4705] | 571 | |
---|
| 572 | rsockname->addr = roar_mm_malloc(28); |
---|
| 573 | if ( rsockname->addr == NULL ) |
---|
| 574 | return -1; |
---|
| 575 | |
---|
| 576 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 577 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 578 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 579 | |
---|
| 580 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 581 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 582 | tmp = strlen(rsockname->addr); |
---|
| 583 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 584 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 585 | } |
---|
| 586 | break; |
---|
| 587 | #endif |
---|
[4730] | 588 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 589 | case AF_INET: |
---|
| 590 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 591 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 592 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 593 | break; |
---|
| 594 | #endif |
---|
[4730] | 595 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 596 | case AF_INET6: |
---|
| 597 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 598 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 599 | break; |
---|
| 600 | #endif |
---|
| 601 | default: |
---|
[4968] | 602 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 603 | return -1; |
---|
| 604 | } |
---|
| 605 | return 0; |
---|
| 606 | #endif |
---|
| 607 | break; |
---|
[3895] | 608 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 609 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 610 | sysioctl = data; |
---|
| 611 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 612 | break; |
---|
[3895] | 613 | #endif |
---|
[4718] | 614 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 615 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 616 | syssockopt = data; |
---|
| 617 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 618 | break; |
---|
| 619 | #endif |
---|
| 620 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 621 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 622 | syssockopt = data; |
---|
| 623 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 624 | break; |
---|
| 625 | #endif |
---|
[5276] | 626 | case ROAR_VIO_CTL_NONBLOCK: |
---|
| 627 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), *(int*)data) == -1 ) |
---|
| 628 | return -1; |
---|
| 629 | |
---|
| 630 | if ( *(int*)data == ROAR_SOCKET_NONBLOCK ) |
---|
| 631 | return 0; |
---|
| 632 | |
---|
| 633 | roar_vio_sync(vio); |
---|
| 634 | return 0; |
---|
| 635 | break; |
---|
[1505] | 636 | } |
---|
| 637 | |
---|
[4873] | 638 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 639 | return -1; |
---|
| 640 | } |
---|
| 641 | |
---|
[1241] | 642 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 643 | #ifdef _CAN_OPERATE |
---|
[1336] | 644 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 645 | return close(roar_vio_get_fh(vio)); |
---|
| 646 | |
---|
| 647 | return 0; |
---|
[1474] | 648 | #else |
---|
[4968] | 649 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 650 | return -1; |
---|
| 651 | #endif |
---|
[1241] | 652 | } |
---|
| 653 | |
---|
[943] | 654 | // null |
---|
| 655 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[5270] | 656 | (void)count; |
---|
| 657 | |
---|
[4968] | 658 | if ( vio == NULL || buf == NULL ) { |
---|
| 659 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 660 | return -1; |
---|
[4968] | 661 | } |
---|
[943] | 662 | |
---|
| 663 | return 0; |
---|
| 664 | } |
---|
| 665 | |
---|
[1665] | 666 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
[5270] | 667 | (void)vio; |
---|
[1665] | 668 | return 0; |
---|
| 669 | } |
---|
| 670 | |
---|
[886] | 671 | // pass |
---|
[1247] | 672 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 673 | if ( calls == NULL || dst == NULL ) { |
---|
| 674 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 675 | return -1; |
---|
[4968] | 676 | } |
---|
[1247] | 677 | |
---|
| 678 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
[5388] | 679 | calls->flags = ROAR_VIO_FLAGS_NONE; |
---|
| 680 | calls->refc = 1; |
---|
[1247] | 681 | |
---|
| 682 | calls->read = roar_vio_pass_read; |
---|
| 683 | calls->write = roar_vio_pass_write; |
---|
| 684 | calls->lseek = roar_vio_pass_lseek; |
---|
| 685 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 686 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 687 | calls->close = roar_vio_pass_close; |
---|
| 688 | |
---|
| 689 | calls->inst = dst; |
---|
| 690 | |
---|
| 691 | return 0; |
---|
| 692 | } |
---|
| 693 | |
---|
[886] | 694 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 695 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 699 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 700 | } |
---|
| 701 | |
---|
[5278] | 702 | roar_off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 703 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 704 | } |
---|
| 705 | |
---|
[1241] | 706 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 707 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 708 | } |
---|
| 709 | |
---|
[5278] | 710 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
[4968] | 711 | if (vio == NULL) { |
---|
| 712 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 713 | return -1; |
---|
[4968] | 714 | } |
---|
| 715 | |
---|
| 716 | if (cmd == -1) { |
---|
| 717 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 718 | return -1; |
---|
| 719 | } |
---|
[1505] | 720 | |
---|
[1615] | 721 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 722 | |
---|
[1505] | 723 | switch (cmd) { |
---|
[3795] | 724 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 725 | if ( data == NULL ) { |
---|
| 726 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 727 | return -1; |
---|
[4968] | 728 | } |
---|
[3795] | 729 | |
---|
[4829] | 730 | // dirty trick to get real name... |
---|
| 731 | if ( vio->read == roar_vio_re_read ) { |
---|
| 732 | *(char**)data = "re"; |
---|
| 733 | } else { |
---|
| 734 | *(char**)data = "pass"; |
---|
| 735 | } |
---|
[3795] | 736 | return 0; |
---|
| 737 | break; |
---|
[1505] | 738 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 739 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 740 | return 0; |
---|
| 741 | break; |
---|
| 742 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 743 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 744 | return 0; |
---|
| 745 | break; |
---|
| 746 | } |
---|
| 747 | |
---|
[1241] | 748 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 749 | } |
---|
| 750 | |
---|
| 751 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 752 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 753 | } |
---|
| 754 | |
---|
[886] | 755 | |
---|
| 756 | // re |
---|
[1247] | 757 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 758 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 759 | return -1; |
---|
| 760 | |
---|
| 761 | calls->read = roar_vio_re_read; |
---|
| 762 | calls->write = roar_vio_re_write; |
---|
| 763 | calls->lseek = roar_vio_re_lseek; |
---|
| 764 | |
---|
| 765 | return 0; |
---|
| 766 | } |
---|
[886] | 767 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 768 | size_t len = 0; |
---|
| 769 | ssize_t r = -1; |
---|
| 770 | |
---|
[4968] | 771 | if ( vio == NULL ) { |
---|
| 772 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 773 | return -1; |
---|
[4968] | 774 | } |
---|
[886] | 775 | |
---|
[4968] | 776 | if ( vio->inst == NULL ) { |
---|
| 777 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 778 | return -1; |
---|
[4968] | 779 | } |
---|
[886] | 780 | |
---|
[4873] | 781 | roar_err_clear_all(); |
---|
[886] | 782 | |
---|
| 783 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 784 | len += r; |
---|
| 785 | buf += r; |
---|
| 786 | count -= r; |
---|
| 787 | if ( count == 0 ) |
---|
| 788 | break; |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | if ( len == 0 && r == -1 ) |
---|
| 792 | return -1; |
---|
| 793 | |
---|
| 794 | return len; |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 798 | size_t len = 0; |
---|
| 799 | ssize_t r = -1; |
---|
| 800 | |
---|
[4968] | 801 | if ( vio == NULL ) { |
---|
| 802 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 803 | return -1; |
---|
[4968] | 804 | } |
---|
[886] | 805 | |
---|
[4968] | 806 | if ( vio->inst == NULL ) { |
---|
| 807 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 808 | return -1; |
---|
[4968] | 809 | } |
---|
[886] | 810 | |
---|
[4873] | 811 | roar_err_clear_all(); |
---|
[886] | 812 | |
---|
| 813 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 814 | len += r; |
---|
| 815 | buf += r; |
---|
| 816 | count -= r; |
---|
| 817 | if ( count == 0 ) |
---|
| 818 | break; |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | if ( len == 0 && r == -1 ) |
---|
| 822 | return -1; |
---|
| 823 | |
---|
| 824 | return len; |
---|
| 825 | } |
---|
| 826 | |
---|
[1247] | 827 | // TODO: we should do a some more intelgent thing here. |
---|
[5278] | 828 | roar_off_t roar_vio_re_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 829 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 830 | } |
---|
| 831 | |
---|
[590] | 832 | //ll |
---|