[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->sync = roar_vio_basic_sync; |
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[1505] | 68 | calls->ctl = roar_vio_basic_ctl; |
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[1241] | 69 | calls->close = roar_vio_basic_close; |
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[881] | 70 | |
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| 71 | return 0; |
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[1474] | 72 | #else |
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| 73 | return -1; |
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| 74 | #endif |
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[881] | 75 | } |
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| 76 | |
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[4963] | 77 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
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| 78 | if ( calls == NULL ) { |
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| 79 | roar_err_set(ROAR_ERROR_FAULT); |
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| 80 | return -1; |
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| 81 | } |
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| 82 | |
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| 83 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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| 84 | |
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| 85 | return 0; |
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| 86 | } |
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| 87 | |
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[881] | 88 | int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst) { |
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[4873] | 89 | if ( vio == NULL ) { |
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| 90 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 91 | return -1; |
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[4873] | 92 | } |
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[881] | 93 | |
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| 94 | vio->inst = inst; |
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[591] | 95 | |
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| 96 | return 0; |
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| 97 | } |
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| 98 | |
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[881] | 99 | int roar_vio_set_fh (struct roar_vio_calls * vio, int fh) { |
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[989] | 100 | return roar_vio_set_inst(vio, (void*)(ROAR_INSTINT)(fh + 1)); |
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[881] | 101 | } |
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| 102 | |
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| 103 | int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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[4873] | 104 | if ( vio == NULL ) { |
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| 105 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 106 | return -1; |
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[4873] | 107 | } |
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[881] | 108 | |
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[989] | 109 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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[881] | 110 | } |
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| 111 | |
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| 112 | |
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| 113 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 114 | ssize_t ret; |
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| 115 | |
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[1319] | 116 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 117 | |
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[4873] | 118 | if ( vio == NULL ) { |
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| 119 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 120 | return -1; |
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[4873] | 121 | } |
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[881] | 122 | |
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[4873] | 123 | if ( vio->read == NULL ) { |
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| 124 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 125 | return -1; |
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[4873] | 126 | } |
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[881] | 127 | |
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[4873] | 128 | roar_err_clear_all(); |
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| 129 | ret = vio->read(vio, buf, count); |
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| 130 | roar_err_update(); |
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| 131 | |
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| 132 | return ret; |
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[881] | 133 | } |
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| 134 | |
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| 135 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 136 | ssize_t ret; |
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| 137 | |
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[3276] | 138 | ROAR_DBG("roar_vio_write(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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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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[881] | 142 | return -1; |
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[4873] | 143 | } |
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[881] | 144 | |
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[4873] | 145 | if ( vio->write == NULL ) { |
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| 146 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 147 | return -1; |
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[4873] | 148 | } |
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[881] | 149 | |
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[4873] | 150 | roar_err_clear_all(); |
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| 151 | ret = vio->write(vio, buf, count); |
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| 152 | roar_err_update(); |
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| 153 | |
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| 154 | return ret; |
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[881] | 155 | } |
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| 156 | |
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| 157 | off_t roar_vio_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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[4873] | 158 | off_t ret; |
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| 159 | |
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[3276] | 160 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%u, whence=%i) = ?", vio, (unsigned int)offset, whence); |
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| 161 | |
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[4873] | 162 | if ( vio == NULL ) { |
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| 163 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 164 | return -1; |
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[4873] | 165 | } |
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[881] | 166 | |
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[4873] | 167 | if ( vio->lseek == NULL ) { |
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| 168 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 169 | return -1; |
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[4873] | 170 | } |
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[881] | 171 | |
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[4873] | 172 | roar_err_clear_all(); |
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| 173 | ret = vio->lseek(vio, offset, whence); |
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| 174 | roar_err_update(); |
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| 175 | |
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| 176 | return ret; |
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[881] | 177 | } |
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| 178 | |
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[1118] | 179 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[3276] | 180 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 181 | |
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[4873] | 182 | if ( vio == NULL ) { |
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| 183 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 184 | return -1; |
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[4873] | 185 | } |
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[1118] | 186 | |
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[5276] | 187 | return roar_vio_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &state); |
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[1118] | 188 | } |
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| 189 | |
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| 190 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 191 | int ret; |
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| 192 | |
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[3276] | 193 | ROAR_DBG("roar_vio_sync(vio=%p) = ?", vio); |
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| 194 | |
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[4873] | 195 | if ( vio == NULL ) { |
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| 196 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 197 | return -1; |
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[4873] | 198 | } |
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[1118] | 199 | |
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[4873] | 200 | if ( vio->sync == NULL ) { |
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| 201 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 202 | return -1; |
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[4873] | 203 | } |
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[1118] | 204 | |
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[4873] | 205 | roar_err_clear_all(); |
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| 206 | ret = vio->sync(vio); |
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| 207 | roar_err_update(); |
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| 208 | |
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| 209 | return ret; |
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[1118] | 210 | } |
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| 211 | |
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[1140] | 212 | int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[4873] | 213 | int ret; |
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| 214 | |
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[3276] | 215 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i, data=%p) = ?", vio, cmd, data); |
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| 216 | |
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[4873] | 217 | if ( vio == NULL ) { |
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| 218 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 219 | return -1; |
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[4873] | 220 | } |
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[1140] | 221 | |
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[1615] | 222 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 223 | |
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[4831] | 224 | switch (cmd) { |
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| 225 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 226 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 227 | 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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| 228 | 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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| 229 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 230 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 231 | return -1; |
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| 232 | break; |
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| 233 | } |
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| 234 | |
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[4873] | 235 | if ( vio->ctl == NULL ) { |
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| 236 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 237 | return -1; |
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[4873] | 238 | } |
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[1140] | 239 | |
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[4873] | 240 | roar_err_clear_all(); |
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| 241 | ret = vio->ctl(vio, cmd, data); |
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| 242 | roar_err_update(); |
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| 243 | |
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| 244 | return ret; |
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[1140] | 245 | } |
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| 246 | |
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[1241] | 247 | int roar_vio_close (struct roar_vio_calls * vio) { |
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[4873] | 248 | int ret; |
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| 249 | |
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[3276] | 250 | ROAR_DBG("roar_vio_close(vio=%p) = ?", vio); |
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| 251 | |
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[4873] | 252 | if ( vio == NULL ) { |
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| 253 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 254 | return -1; |
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[4873] | 255 | } |
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[1241] | 256 | |
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[4873] | 257 | if ( vio->close == NULL ) { |
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| 258 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 259 | return -1; |
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[4873] | 260 | } |
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[1241] | 261 | |
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[4873] | 262 | roar_err_clear_all(); |
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| 263 | ret = vio->close(vio); |
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| 264 | roar_err_update(); |
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| 265 | |
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| 266 | return ret; |
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[1241] | 267 | } |
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| 268 | |
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[3769] | 269 | // specal commands: |
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| 270 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 271 | if (dst == NULL || calls == NULL) { |
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| 272 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 273 | return -1; |
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[4873] | 274 | } |
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[3769] | 275 | |
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| 276 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 277 | } |
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| 278 | |
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[3796] | 279 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 280 | if (vio == NULL) { |
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| 281 | roar_err_set(ROAR_ERROR_FAULT); |
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| 282 | return -1; |
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| 283 | } |
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| 284 | |
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| 285 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 286 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 287 | roar_err_set(ROAR_ERROR_INVAL); |
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| 288 | return -1; |
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| 289 | } |
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| 290 | |
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[3796] | 291 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 292 | } |
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| 293 | |
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[1252] | 294 | // converters: |
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[5242] | 295 | int roar_vio_open_file (struct roar_vio_calls * calls, const char * filename, int flags, mode_t mode) { |
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[5253] | 296 | struct roar_vio_defaults def; |
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[1252] | 297 | |
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[4873] | 298 | roar_debug_warn_obsolete("roar_vio_open_file", "roar_vio_open_dstr", NULL); |
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| 299 | |
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[5253] | 300 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_FILE, flags, mode) == -1 ) |
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[1252] | 301 | return -1; |
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[1762] | 302 | |
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[5253] | 303 | def.d.file = filename; |
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[1252] | 304 | |
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[5253] | 305 | return roar_vio_open_default(calls, &def, NULL); |
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[1252] | 306 | } |
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| 307 | |
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| 308 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 309 | if ( calls == NULL ) { |
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| 310 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 311 | return -1; |
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[4968] | 312 | } |
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[1252] | 313 | |
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[4963] | 314 | roar_libroar_nowarn(); |
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| 315 | if ( roar_vio_init_calls(calls) == -1 ) { |
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| 316 | roar_libroar_warn(); |
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[1252] | 317 | return -1; |
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[4963] | 318 | } |
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| 319 | roar_libroar_warn(); |
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[1252] | 320 | |
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| 321 | return roar_vio_set_fh(calls, fh); |
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| 322 | } |
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| 323 | |
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[1290] | 324 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 325 | if ( calls == NULL ) { |
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| 326 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 327 | return -1; |
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[4968] | 328 | } |
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[1290] | 329 | |
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[1666] | 330 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 331 | return -1; |
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| 332 | |
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[1760] | 333 | #ifdef ROAR_TARGET_WIN32 |
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| 334 | calls->read = roar_vio_winsock_read; |
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| 335 | calls->write = roar_vio_winsock_write; |
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| 336 | calls->sync = roar_vio_winsock_sync; |
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| 337 | calls->ctl = roar_vio_winsock_ctl; |
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| 338 | calls->close = roar_vio_winsock_close; |
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| 339 | #else |
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| 340 | calls->sync = roar_vio_null_sync; |
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| 341 | #endif |
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[1666] | 342 | |
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| 343 | return 0; |
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[1290] | 344 | } |
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| 345 | |
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[5260] | 346 | int roar_vio_open_socket (struct roar_vio_calls * calls, const char * host, int port) { |
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[1291] | 347 | int fh; |
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| 348 | |
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[4968] | 349 | if ( calls == NULL ) { |
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| 350 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 351 | return -1; |
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[4968] | 352 | } |
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[1291] | 353 | |
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| 354 | if ( (fh = roar_socket_connect(host, port)) == -1 ) |
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| 355 | return -1; |
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| 356 | |
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| 357 | return roar_vio_open_fh_socket(calls, fh); |
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| 358 | } |
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| 359 | |
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[5260] | 360 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, const char * host, int port) { |
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[1291] | 361 | int fh; |
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| 362 | |
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[4968] | 363 | if ( calls == NULL ) { |
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| 364 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 365 | return -1; |
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[4968] | 366 | } |
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[1291] | 367 | |
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| 368 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 369 | return -1; |
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| 370 | |
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| 371 | return roar_vio_open_fh_socket(calls, fh); |
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| 372 | } |
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| 373 | |
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[2841] | 374 | |
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[886] | 375 | // VIOs: |
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[881] | 376 | |
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[886] | 377 | // basic |
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[881] | 378 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 379 | #ifdef _CAN_OPERATE |
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[881] | 380 | return read(roar_vio_get_fh(vio), buf, count); |
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[1474] | 381 | #else |
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[4968] | 382 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 383 | return -1; |
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| 384 | #endif |
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[881] | 385 | } |
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| 386 | |
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| 387 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 388 | #ifdef _CAN_OPERATE |
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[881] | 389 | return write(roar_vio_get_fh(vio), buf, count); |
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[1474] | 390 | #else |
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[4968] | 391 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 392 | return -1; |
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| 393 | #endif |
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[881] | 394 | } |
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| 395 | |
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| 396 | off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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[1474] | 397 | #ifdef _CAN_OPERATE |
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[881] | 398 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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[1474] | 399 | #else |
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[4968] | 400 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 401 | return -1; |
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| 402 | #endif |
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[881] | 403 | } |
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| 404 | |
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[1118] | 405 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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[1397] | 406 | #ifdef ROAR_FDATASYNC |
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[1171] | 407 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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[1397] | 408 | #else |
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| 409 | return 0; |
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| 410 | #endif |
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[1118] | 411 | } |
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| 412 | |
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[1505] | 413 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[3895] | 414 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 415 | struct roar_vio_sysio_ioctl * sysioctl; |
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[3895] | 416 | #endif |
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[4718] | 417 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
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| 418 | struct roar_vio_sysio_sockopt * syssockopt; |
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| 419 | #endif |
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[3796] | 420 | int tmp; |
---|
| 421 | int s_r = 0, s_w = 0; |
---|
[4705] | 422 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 423 | union { |
---|
| 424 | struct sockaddr sa; |
---|
| 425 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
| 426 | struct sockaddr_in in; |
---|
| 427 | #endif |
---|
| 428 | #ifdef ROAR_HAVE_UNIX |
---|
| 429 | struct sockaddr_un un; |
---|
| 430 | #endif |
---|
| 431 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 432 | struct sockaddr_dn dn; |
---|
| 433 | #endif |
---|
| 434 | #ifdef ROAR_HAVE_IPV6 |
---|
| 435 | struct sockaddr_in6 in6; |
---|
| 436 | #endif |
---|
| 437 | #ifdef ROAR_HAVE_IPX |
---|
| 438 | struct sockaddr_ipx ipx; |
---|
| 439 | #endif |
---|
| 440 | } sockaddr; |
---|
| 441 | socklen_t socklen; |
---|
| 442 | struct roar_sockname * rsockname; |
---|
| 443 | #endif |
---|
[1505] | 444 | |
---|
[4968] | 445 | if ( vio == NULL ) { |
---|
| 446 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 447 | return -1; |
---|
[4968] | 448 | } |
---|
| 449 | |
---|
| 450 | if ( cmd == -1 ) { |
---|
| 451 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 452 | return -1; |
---|
| 453 | } |
---|
[1505] | 454 | |
---|
[1615] | 455 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 456 | |
---|
[1505] | 457 | switch (cmd) { |
---|
[3795] | 458 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 459 | if ( data == NULL ) { |
---|
| 460 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 461 | return -1; |
---|
[4968] | 462 | } |
---|
[3795] | 463 | |
---|
| 464 | *(char**)data = "basic"; |
---|
| 465 | return 0; |
---|
| 466 | break; |
---|
[1505] | 467 | case ROAR_VIO_CTL_GET_FH: |
---|
| 468 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 469 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 470 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 471 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 472 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 473 | 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] | 474 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 475 | return 0; |
---|
| 476 | break; |
---|
[2054] | 477 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 478 | vio->sync = NULL; |
---|
| 479 | return 0; |
---|
| 480 | break; |
---|
[3769] | 481 | case ROAR_VIO_CTL_ACCEPT: |
---|
[3898] | 482 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 483 | if ( tmp == -1 ) |
---|
[3769] | 484 | return -1; |
---|
| 485 | |
---|
| 486 | // most proably a socket. |
---|
[3796] | 487 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 488 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 489 | closesocket(tmp); |
---|
[3769] | 490 | #else |
---|
[3796] | 491 | close(tmp); |
---|
[3769] | 492 | #endif |
---|
| 493 | return -1; |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | return 0; |
---|
| 497 | break; |
---|
[3796] | 498 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 499 | tmp = *(int*)data; |
---|
| 500 | |
---|
| 501 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 502 | s_r = 1; |
---|
| 503 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 507 | s_w = 1; |
---|
| 508 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 509 | } |
---|
| 510 | |
---|
[4968] | 511 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 512 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 513 | return -1; |
---|
[4968] | 514 | } |
---|
[3796] | 515 | |
---|
| 516 | if ( s_r && s_w ) { |
---|
| 517 | tmp = SHUT_RDWR; |
---|
| 518 | } else if ( s_r ) { |
---|
| 519 | tmp = SHUT_RD; |
---|
| 520 | } else if ( s_w ) { |
---|
| 521 | tmp = SHUT_WR; |
---|
| 522 | } else { |
---|
| 523 | return 0; // nothing to do. |
---|
| 524 | } |
---|
| 525 | |
---|
[3858] | 526 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 527 | break; |
---|
[4705] | 528 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 529 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 530 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 531 | if ( data == NULL ) { |
---|
| 532 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 533 | return -1; |
---|
[4968] | 534 | } |
---|
[4705] | 535 | |
---|
| 536 | rsockname = data; |
---|
| 537 | |
---|
| 538 | socklen = sizeof(sockaddr); |
---|
| 539 | |
---|
| 540 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
| 541 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 542 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 543 | #else |
---|
[4968] | 544 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 545 | return -1; |
---|
| 546 | #endif |
---|
| 547 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
| 548 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 549 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 550 | #else |
---|
[4968] | 551 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 552 | return -1; |
---|
| 553 | #endif |
---|
| 554 | } else { |
---|
[4968] | 555 | // memory corruption: |
---|
[4973] | 556 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 557 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 558 | return -1; |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | if ( tmp == -1 ) |
---|
| 562 | return -1; |
---|
| 563 | |
---|
| 564 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 565 | |
---|
| 566 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 567 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 568 | case AF_UNIX: |
---|
| 569 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 570 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 571 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 572 | if ( rsockname->addr == NULL ) |
---|
| 573 | return -1; |
---|
| 574 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 575 | } else { |
---|
| 576 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 577 | } |
---|
| 578 | break; |
---|
| 579 | #endif |
---|
[4730] | 580 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 581 | case AF_DECnet: |
---|
| 582 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 583 | |
---|
[4968] | 584 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 585 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 586 | return -1; |
---|
[4968] | 587 | } |
---|
[4705] | 588 | |
---|
| 589 | rsockname->addr = roar_mm_malloc(28); |
---|
| 590 | if ( rsockname->addr == NULL ) |
---|
| 591 | return -1; |
---|
| 592 | |
---|
| 593 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 594 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 595 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 596 | |
---|
| 597 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 598 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 599 | tmp = strlen(rsockname->addr); |
---|
| 600 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 601 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 602 | } |
---|
| 603 | break; |
---|
| 604 | #endif |
---|
[4730] | 605 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 606 | case AF_INET: |
---|
| 607 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 608 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 609 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 610 | break; |
---|
| 611 | #endif |
---|
[4730] | 612 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 613 | case AF_INET6: |
---|
| 614 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 615 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 616 | break; |
---|
| 617 | #endif |
---|
| 618 | default: |
---|
[4968] | 619 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 620 | return -1; |
---|
| 621 | } |
---|
| 622 | return 0; |
---|
| 623 | #endif |
---|
| 624 | break; |
---|
[3895] | 625 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 626 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 627 | sysioctl = data; |
---|
| 628 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 629 | break; |
---|
[3895] | 630 | #endif |
---|
[4718] | 631 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 632 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 633 | syssockopt = data; |
---|
| 634 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 635 | break; |
---|
| 636 | #endif |
---|
| 637 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 638 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 639 | syssockopt = data; |
---|
| 640 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 641 | break; |
---|
| 642 | #endif |
---|
[5276] | 643 | case ROAR_VIO_CTL_NONBLOCK: |
---|
| 644 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), *(int*)data) == -1 ) |
---|
| 645 | return -1; |
---|
| 646 | |
---|
| 647 | if ( *(int*)data == ROAR_SOCKET_NONBLOCK ) |
---|
| 648 | return 0; |
---|
| 649 | |
---|
| 650 | roar_vio_sync(vio); |
---|
| 651 | return 0; |
---|
| 652 | break; |
---|
[1505] | 653 | } |
---|
| 654 | |
---|
[4873] | 655 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 656 | return -1; |
---|
| 657 | } |
---|
| 658 | |
---|
[1241] | 659 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 660 | #ifdef _CAN_OPERATE |
---|
[1336] | 661 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 662 | return close(roar_vio_get_fh(vio)); |
---|
| 663 | |
---|
| 664 | return 0; |
---|
[1474] | 665 | #else |
---|
[4968] | 666 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 667 | return -1; |
---|
| 668 | #endif |
---|
[1241] | 669 | } |
---|
| 670 | |
---|
[943] | 671 | // null |
---|
| 672 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[5270] | 673 | (void)count; |
---|
| 674 | |
---|
[4968] | 675 | if ( vio == NULL || buf == NULL ) { |
---|
| 676 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 677 | return -1; |
---|
[4968] | 678 | } |
---|
[943] | 679 | |
---|
| 680 | return 0; |
---|
| 681 | } |
---|
| 682 | |
---|
[1665] | 683 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
[5270] | 684 | (void)vio; |
---|
[1665] | 685 | return 0; |
---|
| 686 | } |
---|
| 687 | |
---|
[886] | 688 | // pass |
---|
[1247] | 689 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 690 | if ( calls == NULL || dst == NULL ) { |
---|
| 691 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 692 | return -1; |
---|
[4968] | 693 | } |
---|
[1247] | 694 | |
---|
| 695 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 696 | |
---|
| 697 | calls->read = roar_vio_pass_read; |
---|
| 698 | calls->write = roar_vio_pass_write; |
---|
| 699 | calls->lseek = roar_vio_pass_lseek; |
---|
| 700 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 701 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 702 | calls->close = roar_vio_pass_close; |
---|
| 703 | |
---|
| 704 | calls->inst = dst; |
---|
| 705 | |
---|
| 706 | return 0; |
---|
| 707 | } |
---|
| 708 | |
---|
[886] | 709 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 710 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 714 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 718 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 719 | } |
---|
| 720 | |
---|
[1241] | 721 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 722 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 723 | } |
---|
| 724 | |
---|
| 725 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[4968] | 726 | if (vio == NULL) { |
---|
| 727 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 728 | return -1; |
---|
[4968] | 729 | } |
---|
| 730 | |
---|
| 731 | if (cmd == -1) { |
---|
| 732 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 733 | return -1; |
---|
| 734 | } |
---|
[1505] | 735 | |
---|
[1615] | 736 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 737 | |
---|
[1505] | 738 | switch (cmd) { |
---|
[3795] | 739 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 740 | if ( data == NULL ) { |
---|
| 741 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 742 | return -1; |
---|
[4968] | 743 | } |
---|
[3795] | 744 | |
---|
[4829] | 745 | // dirty trick to get real name... |
---|
| 746 | if ( vio->read == roar_vio_re_read ) { |
---|
| 747 | *(char**)data = "re"; |
---|
| 748 | } else { |
---|
| 749 | *(char**)data = "pass"; |
---|
| 750 | } |
---|
[3795] | 751 | return 0; |
---|
| 752 | break; |
---|
[1505] | 753 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 754 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 755 | return 0; |
---|
| 756 | break; |
---|
| 757 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 758 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 759 | return 0; |
---|
| 760 | break; |
---|
| 761 | } |
---|
| 762 | |
---|
[1241] | 763 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 764 | } |
---|
| 765 | |
---|
| 766 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 767 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 768 | } |
---|
| 769 | |
---|
[886] | 770 | |
---|
| 771 | // re |
---|
[1247] | 772 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 773 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 774 | return -1; |
---|
| 775 | |
---|
| 776 | calls->read = roar_vio_re_read; |
---|
| 777 | calls->write = roar_vio_re_write; |
---|
| 778 | calls->lseek = roar_vio_re_lseek; |
---|
| 779 | |
---|
| 780 | return 0; |
---|
| 781 | } |
---|
[886] | 782 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 783 | size_t len = 0; |
---|
| 784 | ssize_t r = -1; |
---|
| 785 | |
---|
[4968] | 786 | if ( vio == NULL ) { |
---|
| 787 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 788 | return -1; |
---|
[4968] | 789 | } |
---|
[886] | 790 | |
---|
[4968] | 791 | if ( vio->inst == NULL ) { |
---|
| 792 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 793 | return -1; |
---|
[4968] | 794 | } |
---|
[886] | 795 | |
---|
[4873] | 796 | roar_err_clear_all(); |
---|
[886] | 797 | |
---|
| 798 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 799 | len += r; |
---|
| 800 | buf += r; |
---|
| 801 | count -= r; |
---|
| 802 | if ( count == 0 ) |
---|
| 803 | break; |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | if ( len == 0 && r == -1 ) |
---|
| 807 | return -1; |
---|
| 808 | |
---|
| 809 | return len; |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 813 | size_t len = 0; |
---|
| 814 | ssize_t r = -1; |
---|
| 815 | |
---|
[4968] | 816 | if ( vio == NULL ) { |
---|
| 817 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 818 | return -1; |
---|
[4968] | 819 | } |
---|
[886] | 820 | |
---|
[4968] | 821 | if ( vio->inst == NULL ) { |
---|
| 822 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 823 | return -1; |
---|
[4968] | 824 | } |
---|
[886] | 825 | |
---|
[4873] | 826 | roar_err_clear_all(); |
---|
[886] | 827 | |
---|
| 828 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 829 | len += r; |
---|
| 830 | buf += r; |
---|
| 831 | count -= r; |
---|
| 832 | if ( count == 0 ) |
---|
| 833 | break; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | if ( len == 0 && r == -1 ) |
---|
| 837 | return -1; |
---|
| 838 | |
---|
| 839 | return len; |
---|
| 840 | } |
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| 841 | |
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[1247] | 842 | // TODO: we should do a some more intelgent thing here. |
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[886] | 843 | off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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| 844 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
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| 845 | } |
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| 846 | |
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[590] | 847 | //ll |
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