filename | src/config.c |
changeset | 450:207461e79f21 |
next | 458:cbb2dd12daeb |
author | nkeynes |
date | Wed Oct 17 11:26:45 2007 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | Split config management out to config.[ch] Manage config filename Check home dir + sysconfdir for conf file Initial work on a path settings dialog |
file | annotate | diff | log | raw |
nkeynes@450 | 1 | /** |
nkeynes@450 | 2 | * $Id: config.c,v 1.1 2007-10-17 11:26:45 nkeynes Exp $ |
nkeynes@450 | 3 | * |
nkeynes@450 | 4 | * User configuration support |
nkeynes@450 | 5 | * |
nkeynes@450 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@450 | 7 | * |
nkeynes@450 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@450 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@450 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@450 | 11 | * (at your option) any later version. |
nkeynes@450 | 12 | * |
nkeynes@450 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@450 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@450 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@450 | 16 | * GNU General Public License for more details. |
nkeynes@450 | 17 | */ |
nkeynes@450 | 18 | |
nkeynes@450 | 19 | #include <unistd.h> |
nkeynes@450 | 20 | #include <stdio.h> |
nkeynes@450 | 21 | #include <errno.h> |
nkeynes@450 | 22 | #include <stdlib.h> |
nkeynes@450 | 23 | #include <string.h> |
nkeynes@450 | 24 | #include <glib/gstrfuncs.h> |
nkeynes@450 | 25 | #include "dream.h" |
nkeynes@450 | 26 | #include "config.h" |
nkeynes@450 | 27 | #include "maple/maple.h" |
nkeynes@450 | 28 | |
nkeynes@450 | 29 | gboolean lxdream_load_config_file( const gchar *filename ); |
nkeynes@450 | 30 | gboolean lxdream_save_config_file( const gchar *filename ); |
nkeynes@450 | 31 | gboolean lxdream_load_config_stream( FILE *f ); |
nkeynes@450 | 32 | gboolean lxdream_save_config_stream( FILE *f ); |
nkeynes@450 | 33 | |
nkeynes@450 | 34 | static struct lxdream_config_entry global_config[] = |
nkeynes@450 | 35 | {{ "bios", CONFIG_TYPE_FILE, "dcboot.rom" }, |
nkeynes@450 | 36 | { "flash", CONFIG_TYPE_FILE, "dcflash.rom" }, |
nkeynes@450 | 37 | { "default path", CONFIG_TYPE_PATH, "." }, |
nkeynes@450 | 38 | { "save path", CONFIG_TYPE_PATH, "save" }, |
nkeynes@450 | 39 | { "bootstrap", CONFIG_TYPE_FILE, "IP.BIN" }, |
nkeynes@450 | 40 | { NULL, CONFIG_TYPE_NONE }}; |
nkeynes@450 | 41 | |
nkeynes@450 | 42 | static struct lxdream_config_entry serial_config[] = |
nkeynes@450 | 43 | {{ "device", CONFIG_TYPE_FILE, "/dev/ttyS1" }, |
nkeynes@450 | 44 | { NULL, CONFIG_TYPE_NONE }}; |
nkeynes@450 | 45 | |
nkeynes@450 | 46 | struct lxdream_config_group lxdream_config_root[] = |
nkeynes@450 | 47 | {{ "global", global_config }, |
nkeynes@450 | 48 | { "controllers", NULL }, |
nkeynes@450 | 49 | { "serial", serial_config }, |
nkeynes@450 | 50 | { NULL, CONFIG_TYPE_NONE }}; |
nkeynes@450 | 51 | |
nkeynes@450 | 52 | static gchar *lxdream_config_load_filename = NULL; |
nkeynes@450 | 53 | static gchar *lxdream_config_save_filename = NULL; |
nkeynes@450 | 54 | |
nkeynes@450 | 55 | gboolean lxdream_find_config() |
nkeynes@450 | 56 | { |
nkeynes@450 | 57 | char *home = getenv("HOME"); |
nkeynes@450 | 58 | if( lxdream_config_save_filename == NULL ) { |
nkeynes@450 | 59 | lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME); |
nkeynes@450 | 60 | } |
nkeynes@450 | 61 | if( lxdream_config_load_filename == NULL ) { |
nkeynes@450 | 62 | if( access(lxdream_config_save_filename, R_OK) == 0 ) { |
nkeynes@450 | 63 | lxdream_config_load_filename = g_strdup(lxdream_config_save_filename); |
nkeynes@450 | 64 | } else if( access( PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) { |
nkeynes@450 | 65 | lxdream_config_load_filename = g_strdup(PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME); |
nkeynes@450 | 66 | } else if( access( "./" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) { |
nkeynes@450 | 67 | lxdream_config_load_filename = g_strdup("./" DEFAULT_CONFIG_FILENAME); |
nkeynes@450 | 68 | } else { |
nkeynes@450 | 69 | lxdream_config_load_filename = g_strdup(lxdream_config_save_filename); |
nkeynes@450 | 70 | } |
nkeynes@450 | 71 | } |
nkeynes@450 | 72 | } |
nkeynes@450 | 73 | |
nkeynes@450 | 74 | void lxdream_set_config_filename( const gchar *filename ) |
nkeynes@450 | 75 | { |
nkeynes@450 | 76 | if( lxdream_config_load_filename != NULL ) { |
nkeynes@450 | 77 | g_free(lxdream_config_load_filename); |
nkeynes@450 | 78 | } |
nkeynes@450 | 79 | lxdream_config_load_filename = g_strdup(filename); |
nkeynes@450 | 80 | if( lxdream_config_save_filename != NULL ) { |
nkeynes@450 | 81 | g_free(lxdream_config_save_filename); |
nkeynes@450 | 82 | } |
nkeynes@450 | 83 | lxdream_config_save_filename = g_strdup(filename); |
nkeynes@450 | 84 | } |
nkeynes@450 | 85 | |
nkeynes@450 | 86 | void lxdream_set_default_config( ) |
nkeynes@450 | 87 | { |
nkeynes@450 | 88 | struct lxdream_config_group *group = lxdream_config_root; |
nkeynes@450 | 89 | while( group->key != NULL ) { |
nkeynes@450 | 90 | struct lxdream_config_entry *param = group->params; |
nkeynes@450 | 91 | if( param != NULL ) { |
nkeynes@450 | 92 | while( param->key != NULL ) { |
nkeynes@450 | 93 | if( param->value != param->default_value ) { |
nkeynes@450 | 94 | if( param->value != NULL ) |
nkeynes@450 | 95 | free( param->value ); |
nkeynes@450 | 96 | param->value = (gchar *)param->default_value; |
nkeynes@450 | 97 | } |
nkeynes@450 | 98 | param++; |
nkeynes@450 | 99 | } |
nkeynes@450 | 100 | } |
nkeynes@450 | 101 | group++; |
nkeynes@450 | 102 | } |
nkeynes@450 | 103 | maple_detach_all(); |
nkeynes@450 | 104 | } |
nkeynes@450 | 105 | |
nkeynes@450 | 106 | const gchar *lxdream_get_config_value( int key ) |
nkeynes@450 | 107 | { |
nkeynes@450 | 108 | return global_config[key].value; |
nkeynes@450 | 109 | } |
nkeynes@450 | 110 | |
nkeynes@450 | 111 | void lxdream_set_config_value( int key, const gchar *value ) |
nkeynes@450 | 112 | { |
nkeynes@450 | 113 | struct lxdream_config_entry *param = &global_config[key]; |
nkeynes@450 | 114 | if( param->value != param->default_value && param->value != NULL ) { |
nkeynes@450 | 115 | free( param->value ); |
nkeynes@450 | 116 | } |
nkeynes@450 | 117 | param->value = g_strdup(value); |
nkeynes@450 | 118 | } |
nkeynes@450 | 119 | |
nkeynes@450 | 120 | gboolean lxdream_load_config( ) |
nkeynes@450 | 121 | { |
nkeynes@450 | 122 | if( lxdream_config_load_filename == NULL ) { |
nkeynes@450 | 123 | lxdream_find_config(); |
nkeynes@450 | 124 | } |
nkeynes@450 | 125 | return lxdream_load_config_file(lxdream_config_load_filename); |
nkeynes@450 | 126 | } |
nkeynes@450 | 127 | |
nkeynes@450 | 128 | gboolean lxdream_save_config( ) |
nkeynes@450 | 129 | { |
nkeynes@450 | 130 | if( lxdream_config_save_filename == NULL ) { |
nkeynes@450 | 131 | lxdream_find_config(); |
nkeynes@450 | 132 | } |
nkeynes@450 | 133 | return lxdream_save_config_file(lxdream_config_save_filename); |
nkeynes@450 | 134 | } |
nkeynes@450 | 135 | |
nkeynes@450 | 136 | gboolean lxdream_load_config_file( const gchar *filename ) |
nkeynes@450 | 137 | { |
nkeynes@450 | 138 | FILE *f; |
nkeynes@450 | 139 | gboolean result; |
nkeynes@450 | 140 | |
nkeynes@450 | 141 | if( access(filename, F_OK) != 0 ) { |
nkeynes@450 | 142 | INFO( "Configuration file '%s' does not exist, creating from defaults" ); |
nkeynes@450 | 143 | lxdream_set_default_config(); |
nkeynes@450 | 144 | lxdream_save_config(); |
nkeynes@450 | 145 | } |
nkeynes@450 | 146 | |
nkeynes@450 | 147 | f = fopen(filename, "ro"); |
nkeynes@450 | 148 | if( f == NULL ) { |
nkeynes@450 | 149 | ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) ); |
nkeynes@450 | 150 | lxdream_set_default_config(); |
nkeynes@450 | 151 | return FALSE; |
nkeynes@450 | 152 | } |
nkeynes@450 | 153 | |
nkeynes@450 | 154 | result = lxdream_load_config_stream( f ); |
nkeynes@450 | 155 | fclose(f); |
nkeynes@450 | 156 | return result; |
nkeynes@450 | 157 | } |
nkeynes@450 | 158 | |
nkeynes@450 | 159 | gboolean lxdream_load_config_stream( FILE *f ) |
nkeynes@450 | 160 | { |
nkeynes@450 | 161 | |
nkeynes@450 | 162 | char buf[512]; |
nkeynes@450 | 163 | int maple_device = -1, maple_subdevice = -1; |
nkeynes@450 | 164 | struct lxdream_config_group devgroup; |
nkeynes@450 | 165 | struct lxdream_config_group *group = NULL; |
nkeynes@450 | 166 | maple_device_t device = NULL; |
nkeynes@450 | 167 | lxdream_set_default_config(); |
nkeynes@450 | 168 | |
nkeynes@450 | 169 | while( fgets( buf, sizeof(buf), f ) != NULL ) { |
nkeynes@450 | 170 | g_strstrip(buf); |
nkeynes@450 | 171 | if( buf[0] == '#' ) |
nkeynes@450 | 172 | continue; |
nkeynes@450 | 173 | if( *buf == '[' ) { |
nkeynes@450 | 174 | char *p = strchr(buf, ']'); |
nkeynes@450 | 175 | if( p != NULL ) { |
nkeynes@450 | 176 | struct lxdream_config_group *tmp_group; |
nkeynes@450 | 177 | maple_device = maple_subdevice = -1; |
nkeynes@450 | 178 | *p = '\0'; |
nkeynes@450 | 179 | g_strstrip(buf+1); |
nkeynes@450 | 180 | tmp_group = &lxdream_config_root[0]; |
nkeynes@450 | 181 | while( tmp_group->key != NULL ) { |
nkeynes@450 | 182 | if( strcasecmp(tmp_group->key, buf+1) == 0 ) { |
nkeynes@450 | 183 | group = tmp_group; |
nkeynes@450 | 184 | break; |
nkeynes@450 | 185 | } |
nkeynes@450 | 186 | tmp_group++; |
nkeynes@450 | 187 | } |
nkeynes@450 | 188 | } |
nkeynes@450 | 189 | } else if( group != NULL ) { |
nkeynes@450 | 190 | char *value = strchr( buf, '=' ); |
nkeynes@450 | 191 | if( value != NULL ) { |
nkeynes@450 | 192 | struct lxdream_config_entry *param = group->params; |
nkeynes@450 | 193 | *value = '\0'; |
nkeynes@450 | 194 | value++; |
nkeynes@450 | 195 | g_strstrip(buf); |
nkeynes@450 | 196 | g_strstrip(value); |
nkeynes@450 | 197 | if( strcmp(group->key,"controllers") == 0 ) { |
nkeynes@450 | 198 | if( g_strncasecmp( buf, "device ", 7 ) == 0 ) { |
nkeynes@450 | 199 | maple_device = strtoul( buf+7, NULL, 0 ); |
nkeynes@450 | 200 | if( maple_device < 0 || maple_device > 3 ) { |
nkeynes@450 | 201 | ERROR( "Device number must be between 0..3 (not '%s')", buf+7); |
nkeynes@450 | 202 | continue; |
nkeynes@450 | 203 | } |
nkeynes@450 | 204 | maple_subdevice = 0; |
nkeynes@450 | 205 | device = maple_new_device( value ); |
nkeynes@450 | 206 | if( device == NULL ) { |
nkeynes@450 | 207 | ERROR( "Unrecognized device '%s'", value ); |
nkeynes@450 | 208 | } else { |
nkeynes@450 | 209 | devgroup.key = "controllers"; |
nkeynes@450 | 210 | devgroup.params = maple_get_device_config(device); |
nkeynes@450 | 211 | maple_attach_device( device, maple_device, maple_subdevice ); |
nkeynes@450 | 212 | group = &devgroup; |
nkeynes@450 | 213 | } |
nkeynes@450 | 214 | continue; |
nkeynes@450 | 215 | } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) { |
nkeynes@450 | 216 | maple_subdevice = strtoul( buf+10, NULL, 0 ); |
nkeynes@450 | 217 | if( maple_device == -1 ) { |
nkeynes@450 | 218 | ERROR( "Subdevice not allowed without primary device" ); |
nkeynes@450 | 219 | } else if( maple_subdevice < 1 || maple_subdevice > 5 ) { |
nkeynes@450 | 220 | ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 ); |
nkeynes@450 | 221 | } else if( (device = maple_new_device(value)) == NULL ) { |
nkeynes@450 | 222 | ERROR( "Unrecognized subdevice '%s'", value ); |
nkeynes@450 | 223 | } else { |
nkeynes@450 | 224 | devgroup.key = "controllers"; |
nkeynes@450 | 225 | devgroup.params = maple_get_device_config(device); |
nkeynes@450 | 226 | maple_attach_device( device, maple_device, maple_subdevice ); |
nkeynes@450 | 227 | group = &devgroup; |
nkeynes@450 | 228 | } |
nkeynes@450 | 229 | continue; |
nkeynes@450 | 230 | } |
nkeynes@450 | 231 | } |
nkeynes@450 | 232 | while( param->key != NULL ) { |
nkeynes@450 | 233 | if( strcasecmp( param->key, buf ) == 0 ) { |
nkeynes@450 | 234 | param->value = g_strdup(value); |
nkeynes@450 | 235 | break; |
nkeynes@450 | 236 | } |
nkeynes@450 | 237 | param++; |
nkeynes@450 | 238 | } |
nkeynes@450 | 239 | } |
nkeynes@450 | 240 | } |
nkeynes@450 | 241 | } |
nkeynes@450 | 242 | return TRUE; |
nkeynes@450 | 243 | } |
nkeynes@450 | 244 | |
nkeynes@450 | 245 | gboolean lxdream_save_config_file( const gchar *filename ) |
nkeynes@450 | 246 | { |
nkeynes@450 | 247 | FILE *f = fopen(filename, "wo"); |
nkeynes@450 | 248 | gboolean result; |
nkeynes@450 | 249 | if( f == NULL ) { |
nkeynes@450 | 250 | ERROR( "Unable to open '%s': %s", filename, strerror(errno) ); |
nkeynes@450 | 251 | return FALSE; |
nkeynes@450 | 252 | } |
nkeynes@450 | 253 | result = lxdream_save_config_stream(f); |
nkeynes@450 | 254 | fclose(f); |
nkeynes@450 | 255 | return TRUE; |
nkeynes@450 | 256 | } |
nkeynes@450 | 257 | |
nkeynes@450 | 258 | gboolean lxdream_save_config_stream( FILE *f ) |
nkeynes@450 | 259 | { |
nkeynes@450 | 260 | struct lxdream_config_group *group = &lxdream_config_root[0]; |
nkeynes@450 | 261 | |
nkeynes@450 | 262 | while( group->key != NULL ) { |
nkeynes@450 | 263 | struct lxdream_config_entry *entry = group->params; |
nkeynes@450 | 264 | fprintf( f, "[%s]\n", group->key ); |
nkeynes@450 | 265 | |
nkeynes@450 | 266 | if( entry != NULL ) { |
nkeynes@450 | 267 | while( entry->key != NULL ) { |
nkeynes@450 | 268 | fprintf( f, "%s = %s\n", entry->key, entry->value ); |
nkeynes@450 | 269 | entry++; |
nkeynes@450 | 270 | } |
nkeynes@450 | 271 | } else if( strcmp(group->key, "controllers") == 0 ) { |
nkeynes@450 | 272 | int i,j; |
nkeynes@450 | 273 | for( i=0; i<4; i++ ) { |
nkeynes@450 | 274 | for( j=0; j<6; j++ ) { |
nkeynes@450 | 275 | maple_device_t dev = maple_get_device( i, j ); |
nkeynes@450 | 276 | if( dev != NULL ) { |
nkeynes@450 | 277 | if( j == 0 ) |
nkeynes@450 | 278 | fprintf( f, "Device %d = %s\n", i, dev->device_class->name ); |
nkeynes@450 | 279 | else |
nkeynes@450 | 280 | fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name ); |
nkeynes@450 | 281 | entry = dev->get_config(dev); |
nkeynes@450 | 282 | while( entry->key != NULL ) { |
nkeynes@450 | 283 | fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value ); |
nkeynes@450 | 284 | entry++; |
nkeynes@450 | 285 | } |
nkeynes@450 | 286 | } |
nkeynes@450 | 287 | } |
nkeynes@450 | 288 | } |
nkeynes@450 | 289 | } |
nkeynes@450 | 290 | fprintf( f, "\n" ); |
nkeynes@450 | 291 | group++; |
nkeynes@450 | 292 | } |
nkeynes@450 | 293 | return TRUE; |
nkeynes@450 | 294 | } |
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