[590] | 1 | //vio.c: |
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| 2 | |
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[690] | 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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[690] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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[5109] | 36 | #define _LIBROAR_NOATTR_TO_STATIC /* ignore warnings for TO_STATIC functions */ |
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[590] | 37 | #include "libroar.h" |
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[3895] | 38 | |
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| 39 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 40 | #include <sys/ioctl.h> |
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[3895] | 41 | #endif |
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[590] | 42 | |
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[1474] | 43 | #ifdef ROAR_HAVE_IO_POSIX |
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| 44 | #define _CAN_OPERATE |
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| 45 | #endif |
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| 46 | |
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[4963] | 47 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
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| 48 | if ( calls == NULL ) { |
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| 49 | roar_err_set(ROAR_ERROR_FAULT); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | |
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| 53 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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[5378] | 54 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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[5388] | 55 | calls->refc = 1; |
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[4963] | 56 | |
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| 57 | return 0; |
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| 58 | } |
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| 59 | |
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[5377] | 60 | static int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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[4873] | 61 | if ( vio == NULL ) { |
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| 62 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 63 | return -1; |
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[4873] | 64 | } |
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[881] | 65 | |
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[989] | 66 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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[881] | 67 | } |
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| 68 | |
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| 69 | |
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| 70 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 71 | ssize_t ret; |
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| 72 | |
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[1319] | 73 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 74 | |
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[4873] | 75 | if ( vio == NULL ) { |
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| 76 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 77 | return -1; |
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[4873] | 78 | } |
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[881] | 79 | |
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[4873] | 80 | if ( vio->read == NULL ) { |
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| 81 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 82 | return -1; |
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[4873] | 83 | } |
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[881] | 84 | |
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[4873] | 85 | roar_err_clear_all(); |
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| 86 | ret = vio->read(vio, buf, count); |
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| 87 | roar_err_update(); |
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| 88 | |
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| 89 | return ret; |
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[881] | 90 | } |
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| 91 | |
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| 92 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 93 | ssize_t ret; |
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| 94 | |
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[5408] | 95 | // This function MUST NOT call ROAR_{DBG,WARN,ERR,INFO}() because that would result |
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| 96 | // in an infinit loop. |
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[3276] | 97 | |
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[4873] | 98 | if ( vio == NULL ) { |
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| 99 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 100 | return -1; |
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[4873] | 101 | } |
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[881] | 102 | |
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[4873] | 103 | if ( vio->write == NULL ) { |
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| 104 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 105 | return -1; |
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[4873] | 106 | } |
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[881] | 107 | |
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[4873] | 108 | roar_err_clear_all(); |
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| 109 | ret = vio->write(vio, buf, count); |
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| 110 | roar_err_update(); |
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| 111 | |
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| 112 | return ret; |
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[881] | 113 | } |
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| 114 | |
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[5278] | 115 | roar_off_t roar_vio_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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| 116 | roar_off_t ret; |
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[4873] | 117 | |
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[5278] | 118 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%li, whence=%i) = ?", vio, (long int)offset, whence); |
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[3276] | 119 | |
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[4873] | 120 | if ( vio == NULL ) { |
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| 121 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 122 | return -1; |
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[4873] | 123 | } |
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[881] | 124 | |
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[4873] | 125 | if ( vio->lseek == NULL ) { |
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| 126 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 127 | return -1; |
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[4873] | 128 | } |
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[881] | 129 | |
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[4873] | 130 | roar_err_clear_all(); |
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| 131 | ret = vio->lseek(vio, offset, whence); |
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| 132 | roar_err_update(); |
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| 133 | |
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| 134 | return ret; |
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[881] | 135 | } |
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| 136 | |
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[1118] | 137 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[3276] | 138 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 139 | |
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[4873] | 140 | if ( vio == NULL ) { |
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| 141 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 142 | return -1; |
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[4873] | 143 | } |
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[1118] | 144 | |
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[5276] | 145 | return roar_vio_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &state); |
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[1118] | 146 | } |
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| 147 | |
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| 148 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 149 | int ret; |
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| 150 | |
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[5408] | 151 | // This function MUST NOT call ROAR_{DBG,WARN,ERR,INFO}() because that would result |
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| 152 | // in an infinit loop. |
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[3276] | 153 | |
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[4873] | 154 | if ( vio == NULL ) { |
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| 155 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 156 | return -1; |
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[4873] | 157 | } |
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[1118] | 158 | |
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[4873] | 159 | if ( vio->sync == NULL ) { |
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| 160 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 161 | return -1; |
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[4873] | 162 | } |
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[1118] | 163 | |
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[4873] | 164 | roar_err_clear_all(); |
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| 165 | ret = vio->sync(vio); |
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| 166 | roar_err_update(); |
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| 167 | |
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| 168 | return ret; |
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[1118] | 169 | } |
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| 170 | |
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[5278] | 171 | int roar_vio_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[4873] | 172 | int ret; |
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| 173 | |
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[5408] | 174 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i(0x%.8x), data=%p) = ?", vio, cmd, cmd, data); |
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[3276] | 175 | |
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[4873] | 176 | if ( vio == NULL ) { |
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| 177 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 178 | return -1; |
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[4873] | 179 | } |
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[1140] | 180 | |
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[1615] | 181 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 182 | |
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[4831] | 183 | switch (cmd) { |
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| 184 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 185 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 186 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Your progam uses a VIO ctl call with a conflicting ID.", vio, cmd, data); |
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| 187 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Please recompile your program to fix this. (No additional steps are required beside that.)", vio, cmd, data); |
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| 188 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 189 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 190 | return -1; |
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| 191 | break; |
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| 192 | } |
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| 193 | |
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[4873] | 194 | if ( vio->ctl == NULL ) { |
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| 195 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 196 | return -1; |
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[4873] | 197 | } |
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[1140] | 198 | |
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[4873] | 199 | roar_err_clear_all(); |
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| 200 | ret = vio->ctl(vio, cmd, data); |
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| 201 | roar_err_update(); |
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| 202 | |
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| 203 | return ret; |
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[1140] | 204 | } |
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| 205 | |
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[5388] | 206 | |
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| 207 | int roar_vio_ref (struct roar_vio_calls * vio) { |
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| 208 | if ( vio == NULL ) { |
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| 209 | roar_err_set(ROAR_ERROR_FAULT); |
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| 210 | return -1; |
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| 211 | } |
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| 212 | |
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| 213 | vio->refc++; |
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| 214 | |
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| 215 | return 0; |
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| 216 | } |
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| 217 | |
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| 218 | int roar_vio_unref (struct roar_vio_calls * vio) { |
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[4873] | 219 | int ret; |
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| 220 | |
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[5388] | 221 | ROAR_DBG("roar_vio_unref(vio=%p) = ?", vio); |
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[3276] | 222 | |
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[4873] | 223 | if ( vio == NULL ) { |
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| 224 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 225 | return -1; |
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[4873] | 226 | } |
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[1241] | 227 | |
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[5388] | 228 | if ( vio->refc == 1 && vio->close == NULL ) { |
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[4873] | 229 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 230 | return -1; |
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[4873] | 231 | } |
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[1241] | 232 | |
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[5388] | 233 | vio->refc--; |
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| 234 | |
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| 235 | if ( vio->refc ) |
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| 236 | return 0; |
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| 237 | |
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[4873] | 238 | roar_err_clear_all(); |
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| 239 | ret = vio->close(vio); |
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| 240 | roar_err_update(); |
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| 241 | |
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[5388] | 242 | if ( vio->flags & ROAR_VIO_FLAGS_FREESELF ) |
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| 243 | roar_mm_free(vio); |
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| 244 | |
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[4873] | 245 | return ret; |
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[1241] | 246 | } |
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| 247 | |
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[3769] | 248 | // specal commands: |
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| 249 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 250 | if (dst == NULL || calls == NULL) { |
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| 251 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 252 | return -1; |
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[4873] | 253 | } |
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[3769] | 254 | |
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| 255 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 256 | } |
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| 257 | |
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[3796] | 258 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 259 | if (vio == NULL) { |
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| 260 | roar_err_set(ROAR_ERROR_FAULT); |
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| 261 | return -1; |
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| 262 | } |
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| 263 | |
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| 264 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 265 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 266 | roar_err_set(ROAR_ERROR_INVAL); |
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| 267 | return -1; |
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| 268 | } |
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| 269 | |
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[3796] | 270 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 271 | } |
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| 272 | |
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[1252] | 273 | // converters: |
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| 274 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 275 | if ( calls == NULL ) { |
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| 276 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 277 | return -1; |
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[4968] | 278 | } |
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[1252] | 279 | |
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[5377] | 280 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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[5388] | 281 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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| 282 | calls->refc = 1; |
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[1252] | 283 | |
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[5377] | 284 | calls->read = roar_vio_basic_read; |
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| 285 | calls->write = roar_vio_basic_write; |
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| 286 | calls->lseek = roar_vio_basic_lseek; |
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| 287 | calls->sync = roar_vio_basic_sync; |
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| 288 | calls->ctl = roar_vio_basic_ctl; |
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| 289 | calls->close = roar_vio_basic_close; |
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| 290 | |
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| 291 | calls->inst = (void*)(ROAR_INSTINT)(fh + 1); |
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| 292 | |
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| 293 | return 0; |
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[1252] | 294 | } |
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| 295 | |
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[1290] | 296 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 297 | if ( calls == NULL ) { |
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| 298 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 299 | return -1; |
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[4968] | 300 | } |
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[1290] | 301 | |
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[1666] | 302 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 303 | return -1; |
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| 304 | |
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[1760] | 305 | #ifdef ROAR_TARGET_WIN32 |
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| 306 | calls->read = roar_vio_winsock_read; |
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| 307 | calls->write = roar_vio_winsock_write; |
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| 308 | calls->sync = roar_vio_winsock_sync; |
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| 309 | calls->ctl = roar_vio_winsock_ctl; |
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| 310 | calls->close = roar_vio_winsock_close; |
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| 311 | #else |
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| 312 | calls->sync = roar_vio_null_sync; |
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| 313 | #endif |
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[1666] | 314 | |
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| 315 | return 0; |
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[1290] | 316 | } |
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| 317 | |
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[5260] | 318 | int roar_vio_open_socket (struct roar_vio_calls * calls, const char * host, int port) { |
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[1291] | 319 | int fh; |
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| 320 | |
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[4968] | 321 | if ( calls == NULL ) { |
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| 322 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 323 | return -1; |
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[4968] | 324 | } |
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[1291] | 325 | |
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[5375] | 326 | if ( (fh = roar_socket_connect(ROAR_SOCKET_TYPE_UNKNOWN, host, port)) == -1 ) |
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[1291] | 327 | return -1; |
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| 328 | |
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| 329 | return roar_vio_open_fh_socket(calls, fh); |
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| 330 | } |
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| 331 | |
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[5260] | 332 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, const char * host, int port) { |
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[1291] | 333 | int fh; |
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| 334 | |
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[4968] | 335 | if ( calls == NULL ) { |
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| 336 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 337 | return -1; |
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[4968] | 338 | } |
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[1291] | 339 | |
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| 340 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 341 | return -1; |
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| 342 | |
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| 343 | return roar_vio_open_fh_socket(calls, fh); |
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| 344 | } |
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| 345 | |
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[2841] | 346 | |
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[886] | 347 | // VIOs: |
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[881] | 348 | |
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[886] | 349 | // basic |
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[881] | 350 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 351 | #ifdef _CAN_OPERATE |
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[881] | 352 | return read(roar_vio_get_fh(vio), buf, count); |
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[1474] | 353 | #else |
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[4968] | 354 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 355 | return -1; |
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| 356 | #endif |
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[881] | 357 | } |
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| 358 | |
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| 359 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1474] | 360 | #ifdef _CAN_OPERATE |
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[881] | 361 | return write(roar_vio_get_fh(vio), buf, count); |
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[1474] | 362 | #else |
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[4968] | 363 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 364 | return -1; |
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| 365 | #endif |
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[881] | 366 | } |
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| 367 | |
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[5278] | 368 | roar_off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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[1474] | 369 | #ifdef _CAN_OPERATE |
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[881] | 370 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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[1474] | 371 | #else |
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[4968] | 372 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1474] | 373 | return -1; |
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| 374 | #endif |
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[881] | 375 | } |
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| 376 | |
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[1118] | 377 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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[1397] | 378 | #ifdef ROAR_FDATASYNC |
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[1171] | 379 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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[1397] | 380 | #else |
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| 381 | return 0; |
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| 382 | #endif |
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[1118] | 383 | } |
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| 384 | |
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[5278] | 385 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[3895] | 386 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 387 | struct roar_vio_sysio_ioctl * sysioctl; |
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[3895] | 388 | #endif |
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[4718] | 389 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
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| 390 | struct roar_vio_sysio_sockopt * syssockopt; |
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| 391 | #endif |
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[3796] | 392 | int tmp; |
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| 393 | int s_r = 0, s_w = 0; |
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[4705] | 394 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
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| 395 | union { |
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| 396 | struct sockaddr sa; |
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| 397 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
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| 398 | struct sockaddr_in in; |
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| 399 | #endif |
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| 400 | #ifdef ROAR_HAVE_UNIX |
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| 401 | struct sockaddr_un un; |
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| 402 | #endif |
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| 403 | #ifdef ROAR_HAVE_LIBDNET |
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| 404 | struct sockaddr_dn dn; |
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| 405 | #endif |
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| 406 | #ifdef ROAR_HAVE_IPV6 |
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| 407 | struct sockaddr_in6 in6; |
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| 408 | #endif |
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| 409 | #ifdef ROAR_HAVE_IPX |
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| 410 | struct sockaddr_ipx ipx; |
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| 411 | #endif |
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| 412 | } sockaddr; |
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| 413 | socklen_t socklen; |
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| 414 | struct roar_sockname * rsockname; |
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| 415 | #endif |
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[1505] | 416 | |
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[4968] | 417 | if ( vio == NULL ) { |
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| 418 | roar_err_set(ROAR_ERROR_FAULT); |
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[1505] | 419 | return -1; |
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[4968] | 420 | } |
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| 421 | |
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| 422 | if ( cmd == -1 ) { |
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| 423 | roar_err_set(ROAR_ERROR_INVAL); |
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| 424 | return -1; |
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| 425 | } |
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[1505] | 426 | |
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[1615] | 427 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 428 | |
---|
[1505] | 429 | switch (cmd) { |
---|
[3795] | 430 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 431 | if ( data == NULL ) { |
---|
| 432 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 433 | return -1; |
---|
[4968] | 434 | } |
---|
[3795] | 435 | |
---|
| 436 | *(char**)data = "basic"; |
---|
| 437 | return 0; |
---|
| 438 | break; |
---|
[1505] | 439 | case ROAR_VIO_CTL_GET_FH: |
---|
| 440 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 441 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 442 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 443 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 444 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 445 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_*FH(0x%.8x), data=%p) = 0 // fh=%i", vio, cmd, data, roar_vio_get_fh(vio)); |
---|
[1505] | 446 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 447 | return 0; |
---|
| 448 | break; |
---|
[2054] | 449 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 450 | vio->sync = NULL; |
---|
| 451 | return 0; |
---|
| 452 | break; |
---|
[3769] | 453 | case ROAR_VIO_CTL_ACCEPT: |
---|
[5391] | 454 | #ifdef ROAR_HAVE_ACCEPT |
---|
[3898] | 455 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 456 | if ( tmp == -1 ) |
---|
[3769] | 457 | return -1; |
---|
| 458 | |
---|
| 459 | // most proably a socket. |
---|
[3796] | 460 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 461 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 462 | closesocket(tmp); |
---|
[3769] | 463 | #else |
---|
[3796] | 464 | close(tmp); |
---|
[3769] | 465 | #endif |
---|
| 466 | return -1; |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | return 0; |
---|
[5391] | 470 | #else |
---|
| 471 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
| 472 | return -1; |
---|
| 473 | #endif |
---|
[3769] | 474 | break; |
---|
[3796] | 475 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 476 | tmp = *(int*)data; |
---|
| 477 | |
---|
| 478 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 479 | s_r = 1; |
---|
| 480 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 481 | } |
---|
| 482 | |
---|
| 483 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 484 | s_w = 1; |
---|
| 485 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 486 | } |
---|
| 487 | |
---|
[4968] | 488 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 489 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 490 | return -1; |
---|
[4968] | 491 | } |
---|
[3796] | 492 | |
---|
| 493 | if ( s_r && s_w ) { |
---|
| 494 | tmp = SHUT_RDWR; |
---|
| 495 | } else if ( s_r ) { |
---|
| 496 | tmp = SHUT_RD; |
---|
| 497 | } else if ( s_w ) { |
---|
| 498 | tmp = SHUT_WR; |
---|
| 499 | } else { |
---|
| 500 | return 0; // nothing to do. |
---|
| 501 | } |
---|
| 502 | |
---|
[3858] | 503 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 504 | break; |
---|
[4705] | 505 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 506 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 507 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 508 | if ( data == NULL ) { |
---|
| 509 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 510 | return -1; |
---|
[4968] | 511 | } |
---|
[4705] | 512 | |
---|
| 513 | rsockname = data; |
---|
| 514 | |
---|
| 515 | socklen = sizeof(sockaddr); |
---|
| 516 | |
---|
| 517 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
[5408] | 518 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_SOCKNAME, data=%p) = ?", vio, data); |
---|
[4705] | 519 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 520 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 521 | #else |
---|
[4968] | 522 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 523 | return -1; |
---|
| 524 | #endif |
---|
| 525 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
[5408] | 526 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_PEERNAME, data=%p) = ?", vio, data); |
---|
[4705] | 527 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 528 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 529 | #else |
---|
[4968] | 530 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 531 | return -1; |
---|
| 532 | #endif |
---|
| 533 | } else { |
---|
[4968] | 534 | // memory corruption: |
---|
[4973] | 535 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 536 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 537 | return -1; |
---|
| 538 | } |
---|
| 539 | |
---|
[5408] | 540 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p): tmp=%i", vio, cmd, data, tmp); |
---|
[4705] | 541 | if ( tmp == -1 ) |
---|
| 542 | return -1; |
---|
| 543 | |
---|
| 544 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 545 | |
---|
| 546 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 547 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 548 | case AF_UNIX: |
---|
| 549 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 550 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 551 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 552 | if ( rsockname->addr == NULL ) |
---|
| 553 | return -1; |
---|
| 554 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 555 | } else { |
---|
| 556 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 557 | } |
---|
| 558 | break; |
---|
| 559 | #endif |
---|
[4730] | 560 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 561 | case AF_DECnet: |
---|
| 562 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 563 | |
---|
[4968] | 564 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 565 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 566 | return -1; |
---|
[4968] | 567 | } |
---|
[4705] | 568 | |
---|
| 569 | rsockname->addr = roar_mm_malloc(28); |
---|
| 570 | if ( rsockname->addr == NULL ) |
---|
| 571 | return -1; |
---|
| 572 | |
---|
| 573 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 574 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 575 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 576 | |
---|
| 577 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 578 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 579 | tmp = strlen(rsockname->addr); |
---|
| 580 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 581 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 582 | } |
---|
| 583 | break; |
---|
| 584 | #endif |
---|
[4730] | 585 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 586 | case AF_INET: |
---|
| 587 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 588 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 589 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 590 | break; |
---|
| 591 | #endif |
---|
[4730] | 592 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 593 | case AF_INET6: |
---|
| 594 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 595 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 596 | break; |
---|
| 597 | #endif |
---|
| 598 | default: |
---|
[4968] | 599 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 600 | return -1; |
---|
| 601 | } |
---|
| 602 | return 0; |
---|
| 603 | #endif |
---|
| 604 | break; |
---|
[3895] | 605 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 606 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 607 | sysioctl = data; |
---|
| 608 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 609 | break; |
---|
[3895] | 610 | #endif |
---|
[4718] | 611 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 612 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 613 | syssockopt = data; |
---|
| 614 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 615 | break; |
---|
| 616 | #endif |
---|
| 617 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 618 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 619 | syssockopt = data; |
---|
| 620 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 621 | break; |
---|
| 622 | #endif |
---|
[5276] | 623 | case ROAR_VIO_CTL_NONBLOCK: |
---|
| 624 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), *(int*)data) == -1 ) |
---|
| 625 | return -1; |
---|
| 626 | |
---|
| 627 | if ( *(int*)data == ROAR_SOCKET_NONBLOCK ) |
---|
| 628 | return 0; |
---|
| 629 | |
---|
| 630 | roar_vio_sync(vio); |
---|
| 631 | return 0; |
---|
| 632 | break; |
---|
[1505] | 633 | } |
---|
| 634 | |
---|
[4873] | 635 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 636 | return -1; |
---|
| 637 | } |
---|
| 638 | |
---|
[1241] | 639 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 640 | #ifdef _CAN_OPERATE |
---|
[1336] | 641 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 642 | return close(roar_vio_get_fh(vio)); |
---|
| 643 | |
---|
| 644 | return 0; |
---|
[1474] | 645 | #else |
---|
[4968] | 646 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 647 | return -1; |
---|
| 648 | #endif |
---|
[1241] | 649 | } |
---|
| 650 | |
---|
[943] | 651 | // null |
---|
| 652 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[5270] | 653 | (void)count; |
---|
| 654 | |
---|
[4968] | 655 | if ( vio == NULL || buf == NULL ) { |
---|
| 656 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 657 | return -1; |
---|
[4968] | 658 | } |
---|
[943] | 659 | |
---|
| 660 | return 0; |
---|
| 661 | } |
---|
| 662 | |
---|
[1665] | 663 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
[5270] | 664 | (void)vio; |
---|
[1665] | 665 | return 0; |
---|
| 666 | } |
---|
| 667 | |
---|
[886] | 668 | // pass |
---|
[1247] | 669 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 670 | if ( calls == NULL || dst == NULL ) { |
---|
| 671 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 672 | return -1; |
---|
[4968] | 673 | } |
---|
[1247] | 674 | |
---|
| 675 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
[5388] | 676 | calls->flags = ROAR_VIO_FLAGS_NONE; |
---|
| 677 | calls->refc = 1; |
---|
[1247] | 678 | |
---|
| 679 | calls->read = roar_vio_pass_read; |
---|
| 680 | calls->write = roar_vio_pass_write; |
---|
| 681 | calls->lseek = roar_vio_pass_lseek; |
---|
| 682 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 683 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 684 | calls->close = roar_vio_pass_close; |
---|
| 685 | |
---|
| 686 | calls->inst = dst; |
---|
| 687 | |
---|
| 688 | return 0; |
---|
| 689 | } |
---|
| 690 | |
---|
[886] | 691 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 692 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 696 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 697 | } |
---|
| 698 | |
---|
[5278] | 699 | roar_off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 700 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 701 | } |
---|
| 702 | |
---|
[1241] | 703 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 704 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 705 | } |
---|
| 706 | |
---|
[5278] | 707 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
[4968] | 708 | if (vio == NULL) { |
---|
| 709 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 710 | return -1; |
---|
[4968] | 711 | } |
---|
| 712 | |
---|
| 713 | if (cmd == -1) { |
---|
| 714 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 715 | return -1; |
---|
| 716 | } |
---|
[1505] | 717 | |
---|
[1615] | 718 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 719 | |
---|
[1505] | 720 | switch (cmd) { |
---|
[3795] | 721 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 722 | if ( data == NULL ) { |
---|
| 723 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 724 | return -1; |
---|
[4968] | 725 | } |
---|
[3795] | 726 | |
---|
[4829] | 727 | // dirty trick to get real name... |
---|
| 728 | if ( vio->read == roar_vio_re_read ) { |
---|
| 729 | *(char**)data = "re"; |
---|
| 730 | } else { |
---|
| 731 | *(char**)data = "pass"; |
---|
| 732 | } |
---|
[3795] | 733 | return 0; |
---|
| 734 | break; |
---|
[1505] | 735 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 736 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 737 | return 0; |
---|
| 738 | break; |
---|
| 739 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 740 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 741 | return 0; |
---|
| 742 | break; |
---|
| 743 | } |
---|
| 744 | |
---|
[1241] | 745 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 749 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 750 | } |
---|
| 751 | |
---|
[886] | 752 | |
---|
| 753 | // re |
---|
[1247] | 754 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 755 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 756 | return -1; |
---|
| 757 | |
---|
| 758 | calls->read = roar_vio_re_read; |
---|
| 759 | calls->write = roar_vio_re_write; |
---|
| 760 | calls->lseek = roar_vio_re_lseek; |
---|
| 761 | |
---|
| 762 | return 0; |
---|
| 763 | } |
---|
[886] | 764 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 765 | size_t len = 0; |
---|
| 766 | ssize_t r = -1; |
---|
| 767 | |
---|
[4968] | 768 | if ( vio == NULL ) { |
---|
| 769 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 770 | return -1; |
---|
[4968] | 771 | } |
---|
[886] | 772 | |
---|
[4968] | 773 | if ( vio->inst == NULL ) { |
---|
| 774 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 775 | return -1; |
---|
[4968] | 776 | } |
---|
[886] | 777 | |
---|
[4873] | 778 | roar_err_clear_all(); |
---|
[886] | 779 | |
---|
| 780 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 781 | len += r; |
---|
| 782 | buf += r; |
---|
| 783 | count -= r; |
---|
| 784 | if ( count == 0 ) |
---|
| 785 | break; |
---|
| 786 | } |
---|
| 787 | |
---|
| 788 | if ( len == 0 && r == -1 ) |
---|
| 789 | return -1; |
---|
| 790 | |
---|
| 791 | return len; |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 795 | size_t len = 0; |
---|
| 796 | ssize_t r = -1; |
---|
| 797 | |
---|
[4968] | 798 | if ( vio == NULL ) { |
---|
| 799 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 800 | return -1; |
---|
[4968] | 801 | } |
---|
[886] | 802 | |
---|
[4968] | 803 | if ( vio->inst == NULL ) { |
---|
| 804 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 805 | return -1; |
---|
[4968] | 806 | } |
---|
[886] | 807 | |
---|
[4873] | 808 | roar_err_clear_all(); |
---|
[886] | 809 | |
---|
| 810 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 811 | len += r; |
---|
| 812 | buf += r; |
---|
| 813 | count -= r; |
---|
| 814 | if ( count == 0 ) |
---|
| 815 | break; |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | if ( len == 0 && r == -1 ) |
---|
| 819 | return -1; |
---|
| 820 | |
---|
| 821 | return len; |
---|
| 822 | } |
---|
| 823 | |
---|
[1247] | 824 | // TODO: we should do a some more intelgent thing here. |
---|
[5278] | 825 | roar_off_t roar_vio_re_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
[886] | 826 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 827 | } |
---|
| 828 | |
---|
[590] | 829 | //ll |
---|