[590] | 1 | //vio.c: |
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| 2 | |
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[690] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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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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[591] | 47 | int roar_vio_init_calls (struct roar_vio_calls * calls) { |
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[4963] | 48 | roar_debug_warn_obsolete("roar_vio_init_calls", "roar_vio_clear_calls", NULL); |
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| 49 | |
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[1474] | 50 | #ifdef _CAN_OPERATE |
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[4873] | 51 | if ( calls == NULL ) { |
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| 52 | roar_err_set(ROAR_ERROR_FAULT); |
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[591] | 53 | return -1; |
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[4873] | 54 | } |
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[591] | 55 | |
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| 56 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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| 57 | |
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[881] | 58 | /* |
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[597] | 59 | calls->read = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))read; |
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| 60 | calls->write = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))write; |
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| 61 | calls->lseek = (off_t (*)(int fildes, off_t offset, int whence, void * inst))lseek; |
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[881] | 62 | */ |
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| 63 | |
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[1118] | 64 | calls->read = roar_vio_basic_read; |
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| 65 | calls->write = roar_vio_basic_write; |
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| 66 | calls->lseek = roar_vio_basic_lseek; |
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| 67 | calls->nonblock = roar_vio_basic_nonblock; |
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| 68 | calls->sync = roar_vio_basic_sync; |
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[1505] | 69 | calls->ctl = roar_vio_basic_ctl; |
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[1241] | 70 | calls->close = roar_vio_basic_close; |
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[881] | 71 | |
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| 72 | return 0; |
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[1474] | 73 | #else |
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| 74 | return -1; |
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| 75 | #endif |
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[881] | 76 | } |
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| 77 | |
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[4963] | 78 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
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| 79 | if ( calls == NULL ) { |
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| 80 | roar_err_set(ROAR_ERROR_FAULT); |
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| 81 | return -1; |
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| 82 | } |
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| 83 | |
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| 84 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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| 85 | |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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[881] | 89 | int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst) { |
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[4873] | 90 | if ( vio == NULL ) { |
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| 91 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 92 | return -1; |
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[4873] | 93 | } |
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[881] | 94 | |
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| 95 | vio->inst = inst; |
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[591] | 96 | |
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| 97 | return 0; |
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| 98 | } |
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| 99 | |
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[881] | 100 | int roar_vio_set_fh (struct roar_vio_calls * vio, int fh) { |
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[989] | 101 | return roar_vio_set_inst(vio, (void*)(ROAR_INSTINT)(fh + 1)); |
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[881] | 102 | } |
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| 103 | |
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| 104 | int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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[4873] | 105 | if ( vio == NULL ) { |
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| 106 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 107 | return -1; |
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[4873] | 108 | } |
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[881] | 109 | |
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[989] | 110 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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[881] | 111 | } |
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| 112 | |
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| 113 | |
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| 114 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 115 | ssize_t ret; |
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| 116 | |
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[1319] | 117 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 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->read == 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->read(vio, buf, count); |
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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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| 136 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 137 | ssize_t ret; |
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| 138 | |
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[3276] | 139 | ROAR_DBG("roar_vio_write(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 140 | |
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[4873] | 141 | if ( vio == NULL ) { |
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| 142 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 143 | return -1; |
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[4873] | 144 | } |
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[881] | 145 | |
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[4873] | 146 | if ( vio->write == NULL ) { |
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| 147 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 148 | return -1; |
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[4873] | 149 | } |
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[881] | 150 | |
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[4873] | 151 | roar_err_clear_all(); |
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| 152 | ret = vio->write(vio, buf, count); |
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| 153 | roar_err_update(); |
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| 154 | |
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| 155 | return ret; |
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[881] | 156 | } |
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| 157 | |
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| 158 | off_t roar_vio_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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[4873] | 159 | off_t ret; |
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| 160 | |
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[3276] | 161 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%u, whence=%i) = ?", vio, (unsigned int)offset, whence); |
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| 162 | |
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[4873] | 163 | if ( vio == NULL ) { |
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| 164 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 165 | return -1; |
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[4873] | 166 | } |
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[881] | 167 | |
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[4873] | 168 | if ( vio->lseek == NULL ) { |
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| 169 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 170 | return -1; |
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[4873] | 171 | } |
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[881] | 172 | |
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[4873] | 173 | roar_err_clear_all(); |
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| 174 | ret = vio->lseek(vio, offset, whence); |
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| 175 | roar_err_update(); |
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| 176 | |
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| 177 | return ret; |
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[881] | 178 | } |
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| 179 | |
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[1118] | 180 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[4873] | 181 | int ret; |
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| 182 | |
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[3276] | 183 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 184 | |
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[4873] | 185 | if ( vio == NULL ) { |
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| 186 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 187 | return -1; |
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[4873] | 188 | } |
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[1118] | 189 | |
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[4873] | 190 | if ( vio->nonblock == NULL ) { |
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| 191 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 192 | return -1; |
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[4873] | 193 | } |
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[1118] | 194 | |
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[4873] | 195 | roar_err_clear_all(); |
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| 196 | ret = vio->nonblock(vio, state); |
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| 197 | roar_err_update(); |
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| 198 | |
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| 199 | return ret; |
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[1118] | 200 | } |
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| 201 | |
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| 202 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 203 | int ret; |
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| 204 | |
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[3276] | 205 | ROAR_DBG("roar_vio_sync(vio=%p) = ?", vio); |
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| 206 | |
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[4873] | 207 | if ( vio == NULL ) { |
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| 208 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 209 | return -1; |
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[4873] | 210 | } |
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[1118] | 211 | |
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[4873] | 212 | if ( vio->sync == NULL ) { |
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| 213 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 214 | return -1; |
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[4873] | 215 | } |
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[1118] | 216 | |
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[4873] | 217 | roar_err_clear_all(); |
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| 218 | ret = vio->sync(vio); |
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| 219 | roar_err_update(); |
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| 220 | |
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| 221 | return ret; |
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[1118] | 222 | } |
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| 223 | |
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[1140] | 224 | int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[4873] | 225 | int ret; |
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| 226 | |
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[3276] | 227 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i, data=%p) = ?", vio, cmd, data); |
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| 228 | |
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[4873] | 229 | if ( vio == NULL ) { |
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| 230 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 231 | return -1; |
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[4873] | 232 | } |
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[1140] | 233 | |
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[1615] | 234 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 235 | |
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[4831] | 236 | switch (cmd) { |
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| 237 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 238 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 239 | 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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| 240 | 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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| 241 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 242 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 243 | return -1; |
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| 244 | break; |
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| 245 | } |
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| 246 | |
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[4873] | 247 | if ( vio->ctl == NULL ) { |
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| 248 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 249 | return -1; |
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[4873] | 250 | } |
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[1140] | 251 | |
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[4873] | 252 | roar_err_clear_all(); |
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| 253 | ret = vio->ctl(vio, cmd, data); |
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| 254 | roar_err_update(); |
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| 255 | |
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| 256 | return ret; |
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[1140] | 257 | } |
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| 258 | |
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[1241] | 259 | int roar_vio_close (struct roar_vio_calls * vio) { |
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[4873] | 260 | int ret; |
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| 261 | |
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[3276] | 262 | ROAR_DBG("roar_vio_close(vio=%p) = ?", vio); |
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| 263 | |
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[4873] | 264 | if ( vio == NULL ) { |
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| 265 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 266 | return -1; |
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[4873] | 267 | } |
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[1241] | 268 | |
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[4873] | 269 | if ( vio->close == NULL ) { |
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| 270 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 271 | return -1; |
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[4873] | 272 | } |
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[1241] | 273 | |
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[4873] | 274 | roar_err_clear_all(); |
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| 275 | ret = vio->close(vio); |
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| 276 | roar_err_update(); |
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| 277 | |
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| 278 | return ret; |
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[1241] | 279 | } |
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| 280 | |
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[3769] | 281 | // specal commands: |
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| 282 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 283 | if (dst == NULL || calls == NULL) { |
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| 284 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 285 | return -1; |
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[4873] | 286 | } |
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[3769] | 287 | |
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| 288 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 289 | } |
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| 290 | |
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[3796] | 291 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 292 | if (vio == NULL) { |
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| 293 | roar_err_set(ROAR_ERROR_FAULT); |
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| 294 | return -1; |
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| 295 | } |
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| 296 | |
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| 297 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 298 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 299 | roar_err_set(ROAR_ERROR_INVAL); |
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| 300 | return -1; |
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| 301 | } |
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| 302 | |
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[3796] | 303 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 304 | } |
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| 305 | |
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[1252] | 306 | // converters: |
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| 307 | int roar_vio_open_file (struct roar_vio_calls * calls, char * filename, int flags, mode_t mode) { |
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[1474] | 308 | #ifdef _CAN_OPERATE |
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[1252] | 309 | int fh; |
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| 310 | |
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[4873] | 311 | roar_debug_warn_obsolete("roar_vio_open_file", "roar_vio_open_dstr", NULL); |
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| 312 | |
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| 313 | if ( calls == NULL || filename == NULL ) { |
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| 314 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 315 | return -1; |
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[4873] | 316 | } |
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[1252] | 317 | |
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[1762] | 318 | #ifdef ROAR_TARGET_WIN32 |
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| 319 | flags |= O_BINARY; |
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| 320 | #endif |
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| 321 | |
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[4873] | 322 | roar_err_clear_all(); |
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| 323 | if ( (fh = open(filename, flags, mode)) == -1 ) { |
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[4876] | 324 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
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[4873] | 325 | roar_err_update(); |
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[4876] | 326 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
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[1252] | 327 | return -1; |
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[4873] | 328 | } |
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[1252] | 329 | |
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| 330 | if ( roar_vio_open_fh(calls, fh) == -1 ) { |
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| 331 | close(fh); |
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[4873] | 332 | roar_err_update(); |
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[1252] | 333 | return -1; |
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| 334 | } |
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| 335 | |
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[4873] | 336 | roar_err_update(); |
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[1252] | 337 | return 0; |
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[1474] | 338 | #else |
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| 339 | return -1; |
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| 340 | #endif |
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[1252] | 341 | } |
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| 342 | |
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| 343 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 344 | if ( calls == NULL ) { |
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| 345 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 346 | return -1; |
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[4968] | 347 | } |
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[1252] | 348 | |
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[4963] | 349 | roar_libroar_nowarn(); |
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| 350 | if ( roar_vio_init_calls(calls) == -1 ) { |
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| 351 | roar_libroar_warn(); |
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[1252] | 352 | return -1; |
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[4963] | 353 | } |
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| 354 | roar_libroar_warn(); |
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[1252] | 355 | |
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| 356 | return roar_vio_set_fh(calls, fh); |
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| 357 | } |
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| 358 | |
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[1290] | 359 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 360 | if ( calls == NULL ) { |
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| 361 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 362 | return -1; |
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[4968] | 363 | } |
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[1290] | 364 | |
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[1666] | 365 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 366 | return -1; |
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| 367 | |
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[1760] | 368 | #ifdef ROAR_TARGET_WIN32 |
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| 369 | calls->read = roar_vio_winsock_read; |
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| 370 | calls->write = roar_vio_winsock_write; |
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| 371 | calls->nonblock = roar_vio_winsock_nonblock; |
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| 372 | calls->sync = roar_vio_winsock_sync; |
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| 373 | calls->ctl = roar_vio_winsock_ctl; |
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| 374 | calls->close = roar_vio_winsock_close; |
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| 375 | #else |
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| 376 | calls->sync = roar_vio_null_sync; |
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| 377 | #endif |
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[1666] | 378 | |
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| 379 | return 0; |
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[1290] | 380 | } |
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| 381 | |
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[1291] | 382 | int roar_vio_open_socket (struct roar_vio_calls * calls, char * host, int port) { |
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| 383 | int fh; |
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| 384 | |
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[4968] | 385 | if ( calls == NULL ) { |
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| 386 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 387 | return -1; |
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[4968] | 388 | } |
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[1291] | 389 | |
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| 390 | if ( (fh = roar_socket_connect(host, port)) == -1 ) |
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| 391 | return -1; |
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| 392 | |
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| 393 | return roar_vio_open_fh_socket(calls, fh); |
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| 394 | } |
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| 395 | |
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| 396 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, char * host, int port) { |
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| 397 | int fh; |
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| 398 | |
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[4968] | 399 | if ( calls == NULL ) { |
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| 400 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 401 | return -1; |
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[4968] | 402 | } |
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[1291] | 403 | |
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| 404 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 405 | return -1; |
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| 406 | |
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| 407 | return roar_vio_open_fh_socket(calls, fh); |
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| 408 | } |
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| 409 | |
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[1275] | 410 | int roar_vio_simple_stream (struct roar_vio_calls * calls, int rate, int channels, int bits, int codec, |
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| 411 | char * server, int dir, char * name) { |
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| 412 | int fh; |
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| 413 | |
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[4968] | 414 | if ( calls == NULL ) { |
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| 415 | roar_err_set(ROAR_ERROR_FAULT); |
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[1275] | 416 | return -1; |
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[4968] | 417 | } |
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[1275] | 418 | |
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[3860] | 419 | roar_libroar_nowarn(); |
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| 420 | if ( (fh = roar_simple_stream(rate, channels, bits, codec, server, dir, name)) == -1 ) { |
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| 421 | roar_libroar_warn(); |
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[1275] | 422 | return -1; |
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[3860] | 423 | } |
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| 424 | roar_libroar_warn(); |
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[1275] | 425 | |
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[1290] | 426 | return roar_vio_open_fh_socket(calls, fh); |
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[1275] | 427 | } |
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| 428 | |
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[2841] | 429 | int roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls, |
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| 430 | struct roar_connection * con, |
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| 431 | struct roar_stream * s, |
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| 432 | int rate, int channels, int bits, int codec, int dir) { |
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[3859] | 433 | struct roar_stream stream; |
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[2841] | 434 | int fh; |
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| 435 | |
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[4692] | 436 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = ?"); |
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| 437 | |
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[4968] | 438 | if ( calls == NULL ) { |
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| 439 | roar_err_set(ROAR_ERROR_FAULT); |
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[2841] | 440 | return -1; |
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[4968] | 441 | } |
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[2841] | 442 | |
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[3859] | 443 | if ( s == NULL ) |
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| 444 | s = &stream; |
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| 445 | |
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[3860] | 446 | roar_libroar_nowarn(); |
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| 447 | if ( (fh = roar_simple_new_stream_obj(con, s, rate, channels, bits, codec, dir)) == -1 ) { |
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| 448 | roar_libroar_warn(); |
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[4692] | 449 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = -1"); |
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[2841] | 450 | return -1; |
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[3860] | 451 | } |
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| 452 | roar_libroar_warn(); |
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[2841] | 453 | |
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[4692] | 454 | ROAR_DBG("roar_vio_simple_new_stream_obj(*): fh=%i", fh); |
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| 455 | |
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[2841] | 456 | return roar_vio_open_fh_socket(calls, fh); |
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| 457 | } |
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| 458 | |
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[886] | 459 | // VIOs: |
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[881] | 460 | |
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[886] | 461 | // basic |
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[881] | 462 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 463 | #ifdef _CAN_OPERATE |
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[881] | 464 | return read(roar_vio_get_fh(vio), buf, count); |
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[1474] | 465 | #else |
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[4968] | 466 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 467 | return -1; |
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| 468 | #endif |
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[881] | 469 | } |
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| 470 | |
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| 471 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 472 | #ifdef _CAN_OPERATE |
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[881] | 473 | return write(roar_vio_get_fh(vio), buf, count); |
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[1474] | 474 | #else |
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[4968] | 475 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 476 | return -1; |
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| 477 | #endif |
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[881] | 478 | } |
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| 479 | |
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| 480 | off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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[1474] | 481 | #ifdef _CAN_OPERATE |
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[881] | 482 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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[1474] | 483 | #else |
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[4968] | 484 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 485 | return -1; |
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| 486 | #endif |
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[881] | 487 | } |
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| 488 | |
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[1118] | 489 | int roar_vio_basic_nonblock(struct roar_vio_calls * vio, int state) { |
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| 490 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), state) == -1 ) |
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| 491 | return -1; |
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| 492 | |
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| 493 | if ( state == ROAR_SOCKET_NONBLOCK ) |
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| 494 | return 0; |
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| 495 | |
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[1125] | 496 | roar_vio_sync(vio); |
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| 497 | |
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| 498 | return 0; |
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[1118] | 499 | } |
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| 500 | |
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| 501 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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[1397] | 502 | #ifdef ROAR_FDATASYNC |
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[1171] | 503 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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[1397] | 504 | #else |
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| 505 | return 0; |
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| 506 | #endif |
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[1118] | 507 | } |
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| 508 | |
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[1505] | 509 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[3895] | 510 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 511 | struct roar_vio_sysio_ioctl * sysioctl; |
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[3895] | 512 | #endif |
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[4718] | 513 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
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| 514 | struct roar_vio_sysio_sockopt * syssockopt; |
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| 515 | #endif |
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[3796] | 516 | int tmp; |
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| 517 | int s_r = 0, s_w = 0; |
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[4705] | 518 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
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| 519 | union { |
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| 520 | struct sockaddr sa; |
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| 521 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
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| 522 | struct sockaddr_in in; |
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| 523 | #endif |
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| 524 | #ifdef ROAR_HAVE_UNIX |
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| 525 | struct sockaddr_un un; |
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| 526 | #endif |
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| 527 | #ifdef ROAR_HAVE_LIBDNET |
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| 528 | struct sockaddr_dn dn; |
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| 529 | #endif |
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| 530 | #ifdef ROAR_HAVE_IPV6 |
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| 531 | struct sockaddr_in6 in6; |
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| 532 | #endif |
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| 533 | #ifdef ROAR_HAVE_IPX |
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| 534 | struct sockaddr_ipx ipx; |
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| 535 | #endif |
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| 536 | } sockaddr; |
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| 537 | socklen_t socklen; |
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| 538 | struct roar_sockname * rsockname; |
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| 539 | #endif |
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[1505] | 540 | |
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[4968] | 541 | if ( vio == NULL ) { |
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| 542 | roar_err_set(ROAR_ERROR_FAULT); |
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[1505] | 543 | return -1; |
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[4968] | 544 | } |
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| 545 | |
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| 546 | if ( cmd == -1 ) { |
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| 547 | roar_err_set(ROAR_ERROR_INVAL); |
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| 548 | return -1; |
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| 549 | } |
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[1505] | 550 | |
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[1615] | 551 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
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| 552 | |
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[1505] | 553 | switch (cmd) { |
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[3795] | 554 | case ROAR_VIO_CTL_GET_NAME: |
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[4968] | 555 | if ( data == NULL ) { |
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| 556 | roar_err_set(ROAR_ERROR_FAULT); |
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[3795] | 557 | return -1; |
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[4968] | 558 | } |
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[3795] | 559 | |
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| 560 | *(char**)data = "basic"; |
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| 561 | return 0; |
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| 562 | break; |
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[1505] | 563 | case ROAR_VIO_CTL_GET_FH: |
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| 564 | case ROAR_VIO_CTL_GET_READ_FH: |
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| 565 | case ROAR_VIO_CTL_GET_WRITE_FH: |
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[3436] | 566 | case ROAR_VIO_CTL_GET_SELECT_FH: |
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| 567 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
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| 568 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
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[1615] | 569 | 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)); |
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[1505] | 570 | *(int*)data = roar_vio_get_fh(vio); |
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| 571 | return 0; |
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| 572 | break; |
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[2054] | 573 | case ROAR_VIO_CTL_SET_NOSYNC: |
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| 574 | vio->sync = NULL; |
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| 575 | return 0; |
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| 576 | break; |
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[3769] | 577 | case ROAR_VIO_CTL_ACCEPT: |
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[3898] | 578 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
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[3796] | 579 | if ( tmp == -1 ) |
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[3769] | 580 | return -1; |
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| 581 | |
---|
| 582 | // most proably a socket. |
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[3796] | 583 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
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[3769] | 584 | #ifdef ROAR_TARGET_WIN32 |
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[3796] | 585 | closesocket(tmp); |
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[3769] | 586 | #else |
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[3796] | 587 | close(tmp); |
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[3769] | 588 | #endif |
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| 589 | return -1; |
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| 590 | } |
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| 591 | |
---|
| 592 | return 0; |
---|
| 593 | break; |
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[3796] | 594 | case ROAR_VIO_CTL_SHUTDOWN: |
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| 595 | tmp = *(int*)data; |
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| 596 | |
---|
| 597 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 598 | s_r = 1; |
---|
| 599 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 603 | s_w = 1; |
---|
| 604 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
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| 605 | } |
---|
| 606 | |
---|
[4968] | 607 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
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| 608 | roar_err_set(ROAR_ERROR_NOTSUP); |
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[3796] | 609 | return -1; |
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[4968] | 610 | } |
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[3796] | 611 | |
---|
| 612 | if ( s_r && s_w ) { |
---|
| 613 | tmp = SHUT_RDWR; |
---|
| 614 | } else if ( s_r ) { |
---|
| 615 | tmp = SHUT_RD; |
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| 616 | } else if ( s_w ) { |
---|
| 617 | tmp = SHUT_WR; |
---|
| 618 | } else { |
---|
| 619 | return 0; // nothing to do. |
---|
| 620 | } |
---|
| 621 | |
---|
[3858] | 622 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 623 | break; |
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[4705] | 624 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
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| 625 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 626 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 627 | if ( data == NULL ) { |
---|
| 628 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 629 | return -1; |
---|
[4968] | 630 | } |
---|
[4705] | 631 | |
---|
| 632 | rsockname = data; |
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| 633 | |
---|
| 634 | socklen = sizeof(sockaddr); |
---|
| 635 | |
---|
| 636 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
| 637 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 638 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
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| 639 | #else |
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[4968] | 640 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 641 | return -1; |
---|
| 642 | #endif |
---|
| 643 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
| 644 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 645 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
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| 646 | #else |
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[4968] | 647 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4705] | 648 | return -1; |
---|
| 649 | #endif |
---|
| 650 | } else { |
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[4968] | 651 | // memory corruption: |
---|
[4973] | 652 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 653 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 654 | return -1; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | if ( tmp == -1 ) |
---|
| 658 | return -1; |
---|
| 659 | |
---|
| 660 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 661 | |
---|
| 662 | switch (sockaddr.sa.sa_family) { |
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[4730] | 663 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 664 | case AF_UNIX: |
---|
| 665 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
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| 666 | if ( sockaddr.un.sun_path[0] == 0 ) { |
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| 667 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
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| 668 | if ( rsockname->addr == NULL ) |
---|
| 669 | return -1; |
---|
| 670 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 671 | } else { |
---|
| 672 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 673 | } |
---|
| 674 | break; |
---|
| 675 | #endif |
---|
[4730] | 676 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 677 | case AF_DECnet: |
---|
| 678 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 679 | |
---|
[4968] | 680 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 681 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 682 | return -1; |
---|
[4968] | 683 | } |
---|
[4705] | 684 | |
---|
| 685 | rsockname->addr = roar_mm_malloc(28); |
---|
| 686 | if ( rsockname->addr == NULL ) |
---|
| 687 | return -1; |
---|
| 688 | |
---|
| 689 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 690 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 691 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 692 | |
---|
| 693 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 694 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 695 | tmp = strlen(rsockname->addr); |
---|
| 696 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 697 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 698 | } |
---|
| 699 | break; |
---|
| 700 | #endif |
---|
[4730] | 701 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 702 | case AF_INET: |
---|
| 703 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 704 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 705 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 706 | break; |
---|
| 707 | #endif |
---|
[4730] | 708 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 709 | case AF_INET6: |
---|
| 710 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 711 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 712 | break; |
---|
| 713 | #endif |
---|
| 714 | default: |
---|
[4968] | 715 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 716 | return -1; |
---|
| 717 | } |
---|
| 718 | return 0; |
---|
| 719 | #endif |
---|
| 720 | break; |
---|
[3895] | 721 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 722 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 723 | sysioctl = data; |
---|
| 724 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 725 | break; |
---|
[3895] | 726 | #endif |
---|
[4718] | 727 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 728 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 729 | syssockopt = data; |
---|
| 730 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 731 | break; |
---|
| 732 | #endif |
---|
| 733 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 734 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 735 | syssockopt = data; |
---|
| 736 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 737 | break; |
---|
| 738 | #endif |
---|
[1505] | 739 | } |
---|
| 740 | |
---|
[4873] | 741 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 742 | return -1; |
---|
| 743 | } |
---|
| 744 | |
---|
[1241] | 745 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 746 | #ifdef _CAN_OPERATE |
---|
[1336] | 747 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 748 | return close(roar_vio_get_fh(vio)); |
---|
| 749 | |
---|
| 750 | return 0; |
---|
[1474] | 751 | #else |
---|
[4968] | 752 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 753 | return -1; |
---|
| 754 | #endif |
---|
[1241] | 755 | } |
---|
| 756 | |
---|
[943] | 757 | // null |
---|
| 758 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[4968] | 759 | if ( vio == NULL || buf == NULL ) { |
---|
| 760 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 761 | return -1; |
---|
[4968] | 762 | } |
---|
[943] | 763 | |
---|
| 764 | return 0; |
---|
| 765 | } |
---|
| 766 | |
---|
[1665] | 767 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
| 768 | return 0; |
---|
| 769 | } |
---|
| 770 | |
---|
[886] | 771 | // pass |
---|
[1247] | 772 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 773 | if ( calls == NULL || dst == NULL ) { |
---|
| 774 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 775 | return -1; |
---|
[4968] | 776 | } |
---|
[1247] | 777 | |
---|
| 778 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 779 | |
---|
| 780 | calls->read = roar_vio_pass_read; |
---|
| 781 | calls->write = roar_vio_pass_write; |
---|
| 782 | calls->lseek = roar_vio_pass_lseek; |
---|
| 783 | calls->nonblock = roar_vio_pass_nonblock; |
---|
| 784 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 785 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 786 | calls->close = roar_vio_pass_close; |
---|
| 787 | |
---|
| 788 | calls->inst = dst; |
---|
| 789 | |
---|
| 790 | return 0; |
---|
| 791 | } |
---|
| 792 | |
---|
[886] | 793 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 794 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 798 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 802 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 803 | } |
---|
| 804 | |
---|
[1241] | 805 | int roar_vio_pass_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 806 | return roar_vio_nonblock((struct roar_vio_calls *) vio->inst, state); |
---|
| 807 | } |
---|
| 808 | |
---|
| 809 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 810 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[4968] | 814 | if (vio == NULL) { |
---|
| 815 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 816 | return -1; |
---|
[4968] | 817 | } |
---|
| 818 | |
---|
| 819 | if (cmd == -1) { |
---|
| 820 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 821 | return -1; |
---|
| 822 | } |
---|
[1505] | 823 | |
---|
[1615] | 824 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 825 | |
---|
[1505] | 826 | switch (cmd) { |
---|
[3795] | 827 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 828 | if ( data == NULL ) { |
---|
| 829 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 830 | return -1; |
---|
[4968] | 831 | } |
---|
[3795] | 832 | |
---|
[4829] | 833 | // dirty trick to get real name... |
---|
| 834 | if ( vio->read == roar_vio_re_read ) { |
---|
| 835 | *(char**)data = "re"; |
---|
| 836 | } else { |
---|
| 837 | *(char**)data = "pass"; |
---|
| 838 | } |
---|
[3795] | 839 | return 0; |
---|
| 840 | break; |
---|
[1505] | 841 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 842 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 843 | return 0; |
---|
| 844 | break; |
---|
| 845 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 846 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 847 | return 0; |
---|
| 848 | break; |
---|
| 849 | } |
---|
| 850 | |
---|
[1241] | 851 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 855 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 856 | } |
---|
| 857 | |
---|
[886] | 858 | |
---|
| 859 | // re |
---|
[1247] | 860 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 861 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 862 | return -1; |
---|
| 863 | |
---|
| 864 | calls->read = roar_vio_re_read; |
---|
| 865 | calls->write = roar_vio_re_write; |
---|
| 866 | calls->lseek = roar_vio_re_lseek; |
---|
| 867 | |
---|
| 868 | return 0; |
---|
| 869 | } |
---|
[886] | 870 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 871 | size_t len = 0; |
---|
| 872 | ssize_t r = -1; |
---|
| 873 | |
---|
[4968] | 874 | if ( vio == NULL ) { |
---|
| 875 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 876 | return -1; |
---|
[4968] | 877 | } |
---|
[886] | 878 | |
---|
[4968] | 879 | if ( vio->inst == NULL ) { |
---|
| 880 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 881 | return -1; |
---|
[4968] | 882 | } |
---|
[886] | 883 | |
---|
[4873] | 884 | roar_err_clear_all(); |
---|
[886] | 885 | |
---|
| 886 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 887 | len += r; |
---|
| 888 | buf += r; |
---|
| 889 | count -= r; |
---|
| 890 | if ( count == 0 ) |
---|
| 891 | break; |
---|
| 892 | } |
---|
| 893 | |
---|
| 894 | if ( len == 0 && r == -1 ) |
---|
| 895 | return -1; |
---|
| 896 | |
---|
| 897 | return len; |
---|
| 898 | } |
---|
| 899 | |
---|
| 900 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 901 | size_t len = 0; |
---|
| 902 | ssize_t r = -1; |
---|
| 903 | |
---|
[4968] | 904 | if ( vio == NULL ) { |
---|
| 905 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 906 | return -1; |
---|
[4968] | 907 | } |
---|
[886] | 908 | |
---|
[4968] | 909 | if ( vio->inst == NULL ) { |
---|
| 910 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 911 | return -1; |
---|
[4968] | 912 | } |
---|
[886] | 913 | |
---|
[4873] | 914 | roar_err_clear_all(); |
---|
[886] | 915 | |
---|
| 916 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 917 | len += r; |
---|
| 918 | buf += r; |
---|
| 919 | count -= r; |
---|
| 920 | if ( count == 0 ) |
---|
| 921 | break; |
---|
| 922 | } |
---|
| 923 | |
---|
| 924 | if ( len == 0 && r == -1 ) |
---|
| 925 | return -1; |
---|
| 926 | |
---|
| 927 | return len; |
---|
| 928 | } |
---|
| 929 | |
---|
[1247] | 930 | // TODO: we should do a some more intelgent thing here. |
---|
[886] | 931 | off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 932 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 933 | } |
---|
| 934 | |
---|
[590] | 935 | //ll |
---|