1 | //vio.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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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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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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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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36 | #define _LIBROAR_NOATTR_TO_STATIC /* ignore warnings for TO_STATIC functions */ |
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37 | #include "libroar.h" |
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38 | |
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39 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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40 | #include <sys/ioctl.h> |
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41 | #endif |
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42 | |
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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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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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54 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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55 | calls->refc = 1; |
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56 | |
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57 | return 0; |
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58 | } |
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59 | |
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60 | static int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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61 | if ( vio == NULL ) { |
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62 | roar_err_set(ROAR_ERROR_FAULT); |
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63 | return -1; |
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64 | } |
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65 | |
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66 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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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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71 | ssize_t ret; |
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72 | |
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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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75 | if ( vio == NULL ) { |
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76 | roar_err_set(ROAR_ERROR_FAULT); |
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77 | return -1; |
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78 | } |
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79 | |
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80 | if ( vio->read == NULL ) { |
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81 | roar_err_set(ROAR_ERROR_NOSYS); |
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82 | return -1; |
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83 | } |
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84 | |
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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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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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93 | ssize_t ret; |
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94 | |
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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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97 | |
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98 | if ( vio == NULL ) { |
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99 | roar_err_set(ROAR_ERROR_FAULT); |
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100 | return -1; |
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101 | } |
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102 | |
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103 | if ( vio->write == NULL ) { |
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104 | roar_err_set(ROAR_ERROR_NOSYS); |
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105 | return -1; |
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106 | } |
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107 | |
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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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113 | } |
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114 | |
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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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117 | |
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118 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%li, whence=%i) = ?", vio, (long int)offset, whence); |
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119 | |
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120 | if ( vio == NULL ) { |
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121 | roar_err_set(ROAR_ERROR_FAULT); |
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122 | return -1; |
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123 | } |
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124 | |
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125 | if ( vio->lseek == NULL ) { |
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126 | roar_err_set(ROAR_ERROR_NOSYS); |
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127 | return -1; |
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128 | } |
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129 | |
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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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135 | } |
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136 | |
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137 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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138 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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139 | |
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140 | if ( vio == NULL ) { |
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141 | roar_err_set(ROAR_ERROR_FAULT); |
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142 | return -1; |
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143 | } |
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144 | |
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145 | return roar_vio_ctl(vio, ROAR_VIO_CTL_NONBLOCK, &state); |
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146 | } |
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147 | |
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148 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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149 | int ret; |
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150 | |
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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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153 | |
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154 | if ( vio == NULL ) { |
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155 | roar_err_set(ROAR_ERROR_FAULT); |
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156 | return -1; |
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157 | } |
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158 | |
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159 | if ( vio->sync == NULL ) { |
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160 | roar_err_set(ROAR_ERROR_NOSYS); |
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161 | return -1; |
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162 | } |
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163 | |
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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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169 | } |
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170 | |
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171 | int roar_vio_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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172 | int ret; |
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173 | |
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174 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i(0x%.8x), data=%p) = ?", vio, cmd, cmd, data); |
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175 | |
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176 | if ( vio == NULL ) { |
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177 | roar_err_set(ROAR_ERROR_FAULT); |
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178 | return -1; |
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179 | } |
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180 | |
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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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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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189 | roar_err_set(ROAR_ERROR_BADRQC); |
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190 | return -1; |
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191 | break; |
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192 | } |
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193 | |
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194 | if ( vio->ctl == NULL ) { |
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195 | roar_err_set(ROAR_ERROR_NOSYS); |
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196 | return -1; |
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197 | } |
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198 | |
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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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204 | } |
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205 | |
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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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219 | int ret; |
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220 | |
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221 | ROAR_DBG("roar_vio_unref(vio=%p) = ?", vio); |
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222 | |
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223 | if ( vio == NULL ) { |
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224 | roar_err_set(ROAR_ERROR_FAULT); |
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225 | return -1; |
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226 | } |
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227 | |
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228 | if ( vio->refc == 1 && vio->close == NULL ) { |
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229 | roar_err_set(ROAR_ERROR_NOSYS); |
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230 | return -1; |
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231 | } |
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232 | |
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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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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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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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245 | return ret; |
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246 | } |
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247 | |
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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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250 | if (dst == NULL || calls == NULL) { |
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251 | roar_err_set(ROAR_ERROR_FAULT); |
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252 | return -1; |
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253 | } |
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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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258 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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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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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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273 | // converters: |
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274 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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275 | if ( calls == NULL ) { |
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276 | roar_err_set(ROAR_ERROR_FAULT); |
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277 | return -1; |
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278 | } |
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279 | |
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280 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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281 | calls->flags = ROAR_VIO_FLAGS_NONE; |
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282 | calls->refc = 1; |
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283 | |
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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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294 | } |
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295 | |
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296 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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297 | if ( calls == NULL ) { |
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298 | roar_err_set(ROAR_ERROR_FAULT); |
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299 | return -1; |
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300 | } |
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301 | |
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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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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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314 | |
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315 | return 0; |
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316 | } |
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317 | |
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318 | int roar_vio_open_socket (struct roar_vio_calls * calls, const char * host, int port) { |
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319 | int fh; |
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320 | |
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321 | if ( calls == NULL ) { |
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322 | roar_err_set(ROAR_ERROR_FAULT); |
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323 | return -1; |
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324 | } |
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325 | |
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326 | if ( (fh = roar_socket_connect(ROAR_SOCKET_TYPE_UNKNOWN, host, port)) == -1 ) |
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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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332 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, const char * host, int port) { |
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333 | int fh; |
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334 | |
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335 | if ( calls == NULL ) { |
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336 | roar_err_set(ROAR_ERROR_FAULT); |
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337 | return -1; |
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338 | } |
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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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346 | |
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347 | // VIOs: |
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348 | |
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349 | // basic |
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350 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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351 | #ifdef _CAN_OPERATE |
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352 | return read(roar_vio_get_fh(vio), buf, count); |
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353 | #else |
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354 | roar_err_set(ROAR_ERROR_NOSYS); |
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355 | return -1; |
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356 | #endif |
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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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360 | #ifdef _CAN_OPERATE |
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361 | return write(roar_vio_get_fh(vio), buf, count); |
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362 | #else |
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363 | roar_err_set(ROAR_ERROR_NOSYS); |
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364 | return -1; |
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365 | #endif |
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366 | } |
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367 | |
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368 | roar_off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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369 | #ifdef _CAN_OPERATE |
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370 | return lseek(roar_vio_get_fh(vio), offset, whence); |
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371 | #else |
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372 | roar_err_set(ROAR_ERROR_NOSYS); |
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373 | return -1; |
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374 | #endif |
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375 | } |
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376 | |
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377 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
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378 | #ifdef ROAR_FDATASYNC |
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379 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
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380 | #else |
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381 | return 0; |
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382 | #endif |
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383 | } |
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384 | |
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385 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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386 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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387 | struct roar_vio_sysio_ioctl * sysioctl; |
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388 | #endif |
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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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392 | int tmp; |
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393 | int s_r = 0, s_w = 0; |
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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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416 | |
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417 | if ( vio == NULL ) { |
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418 | roar_err_set(ROAR_ERROR_FAULT); |
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419 | return -1; |
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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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426 | |
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427 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
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428 | |
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429 | switch (cmd) { |
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430 | case ROAR_VIO_CTL_GET_NAME: |
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431 | if ( data == NULL ) { |
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432 | roar_err_set(ROAR_ERROR_FAULT); |
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433 | return -1; |
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434 | } |
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435 | |
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436 | *(char**)data = "basic"; |
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437 | return 0; |
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438 | break; |
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439 | case ROAR_VIO_CTL_GET_FH: |
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440 | case ROAR_VIO_CTL_GET_READ_FH: |
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441 | case ROAR_VIO_CTL_GET_WRITE_FH: |
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442 | case ROAR_VIO_CTL_GET_SELECT_FH: |
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443 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
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444 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
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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)); |
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446 | *(int*)data = roar_vio_get_fh(vio); |
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447 | return 0; |
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448 | break; |
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449 | case ROAR_VIO_CTL_SET_NOSYNC: |
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450 | vio->sync = NULL; |
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451 | return 0; |
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452 | break; |
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453 | case ROAR_VIO_CTL_ACCEPT: |
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454 | #ifdef ROAR_HAVE_ACCEPT |
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455 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
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456 | if ( tmp == -1 ) |
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457 | return -1; |
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458 | |
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459 | // most proably a socket. |
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460 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
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461 | #ifdef ROAR_TARGET_WIN32 |
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462 | closesocket(tmp); |
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463 | #else |
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464 | close(tmp); |
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465 | #endif |
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466 | return -1; |
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467 | } |
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468 | |
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469 | return 0; |
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470 | #else |
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471 | roar_err_set(ROAR_ERROR_NOSYS); |
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472 | return -1; |
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473 | #endif |
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474 | break; |
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475 | case ROAR_VIO_CTL_SHUTDOWN: |
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476 | tmp = *(int*)data; |
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477 | |
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478 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
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479 | s_r = 1; |
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480 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
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481 | } |
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482 | |
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483 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
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484 | s_w = 1; |
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485 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
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486 | } |
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487 | |
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488 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
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489 | roar_err_set(ROAR_ERROR_NOTSUP); |
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490 | return -1; |
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491 | } |
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492 | |
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493 | if ( s_r && s_w ) { |
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494 | tmp = SHUT_RDWR; |
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495 | } else if ( s_r ) { |
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496 | tmp = SHUT_RD; |
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497 | } else if ( s_w ) { |
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498 | tmp = SHUT_WR; |
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499 | } else { |
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500 | return 0; // nothing to do. |
---|
501 | } |
---|
502 | |
---|
503 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
504 | break; |
---|
505 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
506 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
507 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
508 | if ( data == NULL ) { |
---|
509 | roar_err_set(ROAR_ERROR_FAULT); |
---|
510 | return -1; |
---|
511 | } |
---|
512 | |
---|
513 | rsockname = data; |
---|
514 | |
---|
515 | socklen = sizeof(sockaddr); |
---|
516 | |
---|
517 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
518 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_SOCKNAME, data=%p) = ?", vio, data); |
---|
519 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
520 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
521 | #else |
---|
522 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
523 | return -1; |
---|
524 | #endif |
---|
525 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
526 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_PEERNAME, data=%p) = ?", vio, data); |
---|
527 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
528 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
529 | #else |
---|
530 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
531 | return -1; |
---|
532 | #endif |
---|
533 | } else { |
---|
534 | // memory corruption: |
---|
535 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
536 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
537 | return -1; |
---|
538 | } |
---|
539 | |
---|
540 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p): tmp=%i", vio, cmd, data, tmp); |
---|
541 | if ( tmp == -1 ) |
---|
542 | return -1; |
---|
543 | |
---|
544 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
545 | |
---|
546 | switch (sockaddr.sa.sa_family) { |
---|
547 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
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 |
---|
560 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
561 | case AF_DECnet: |
---|
562 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
563 | |
---|
564 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
565 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
566 | return -1; |
---|
567 | } |
---|
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 |
---|
585 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
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 |
---|
592 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
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: |
---|
599 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
600 | return -1; |
---|
601 | } |
---|
602 | return 0; |
---|
603 | #endif |
---|
604 | break; |
---|
605 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
606 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
607 | sysioctl = data; |
---|
608 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
609 | break; |
---|
610 | #endif |
---|
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 |
---|
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; |
---|
633 | } |
---|
634 | |
---|
635 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
636 | return -1; |
---|
637 | } |
---|
638 | |
---|
639 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
640 | #ifdef _CAN_OPERATE |
---|
641 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
642 | return close(roar_vio_get_fh(vio)); |
---|
643 | |
---|
644 | return 0; |
---|
645 | #else |
---|
646 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
647 | return -1; |
---|
648 | #endif |
---|
649 | } |
---|
650 | |
---|
651 | // null |
---|
652 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
653 | (void)count; |
---|
654 | |
---|
655 | if ( vio == NULL || buf == NULL ) { |
---|
656 | roar_err_set(ROAR_ERROR_FAULT); |
---|
657 | return -1; |
---|
658 | } |
---|
659 | |
---|
660 | return 0; |
---|
661 | } |
---|
662 | |
---|
663 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
664 | (void)vio; |
---|
665 | return 0; |
---|
666 | } |
---|
667 | |
---|
668 | // pass |
---|
669 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
670 | if ( calls == NULL || dst == NULL ) { |
---|
671 | roar_err_set(ROAR_ERROR_FAULT); |
---|
672 | return -1; |
---|
673 | } |
---|
674 | |
---|
675 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
676 | calls->flags = ROAR_VIO_FLAGS_NONE; |
---|
677 | calls->refc = 1; |
---|
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; |
---|
683 | calls->ctl = roar_vio_pass_ctl; |
---|
684 | calls->close = roar_vio_pass_close; |
---|
685 | |
---|
686 | calls->inst = dst; |
---|
687 | |
---|
688 | return 0; |
---|
689 | } |
---|
690 | |
---|
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 | |
---|
699 | roar_off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
700 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
701 | } |
---|
702 | |
---|
703 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
704 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
705 | } |
---|
706 | |
---|
707 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
708 | if (vio == NULL) { |
---|
709 | roar_err_set(ROAR_ERROR_FAULT); |
---|
710 | return -1; |
---|
711 | } |
---|
712 | |
---|
713 | if (cmd == -1) { |
---|
714 | roar_err_set(ROAR_ERROR_INVAL); |
---|
715 | return -1; |
---|
716 | } |
---|
717 | |
---|
718 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
719 | |
---|
720 | switch (cmd) { |
---|
721 | case ROAR_VIO_CTL_GET_NAME: |
---|
722 | if ( data == NULL ) { |
---|
723 | roar_err_set(ROAR_ERROR_FAULT); |
---|
724 | return -1; |
---|
725 | } |
---|
726 | |
---|
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 | } |
---|
733 | return 0; |
---|
734 | break; |
---|
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 | |
---|
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 | |
---|
752 | |
---|
753 | // re |
---|
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 | } |
---|
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 | |
---|
768 | if ( vio == NULL ) { |
---|
769 | roar_err_set(ROAR_ERROR_FAULT); |
---|
770 | return -1; |
---|
771 | } |
---|
772 | |
---|
773 | if ( vio->inst == NULL ) { |
---|
774 | roar_err_set(ROAR_ERROR_FAULT); |
---|
775 | return -1; |
---|
776 | } |
---|
777 | |
---|
778 | roar_err_clear_all(); |
---|
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 | |
---|
798 | if ( vio == NULL ) { |
---|
799 | roar_err_set(ROAR_ERROR_FAULT); |
---|
800 | return -1; |
---|
801 | } |
---|
802 | |
---|
803 | if ( vio->inst == NULL ) { |
---|
804 | roar_err_set(ROAR_ERROR_FAULT); |
---|
805 | return -1; |
---|
806 | } |
---|
807 | |
---|
808 | roar_err_clear_all(); |
---|
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 | |
---|
824 | // TODO: we should do a some more intelgent thing here. |
---|
825 | roar_off_t roar_vio_re_lseek(struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
---|
826 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
827 | } |
---|
828 | |
---|
829 | //ll |
---|