src/storage.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <unistd.h>
  28
  29 #include "connman.h"
  30
  31 #define PROFILE_SUFFIX  "profile"
  32 #define CONFIG_SUFFIX   "config"
  33
  34 static GSList *storage_list = NULL;
  35
  36 static gint compare_priority(gconstpointer a, gconstpointer b)
  37 {
  38         const struct connman_storage *storage1 = a;
  39         const struct connman_storage *storage2 = b;
  40
  41         return storage2->priority - storage1->priority;
  42 }
  43
  44 /**
  45  * connman_storage_register:
  46  * @storage: storage module
  47  *
  48  * Register a new storage module
  49  *
  50  * Returns: %0 on success
  51  */
  52 int connman_storage_register(struct connman_storage *storage)
  53 {
  54         DBG("storage %p name %s", storage, storage->name);
  55
  56         storage_list = g_slist_insert_sorted(storage_list, storage,
  57                                                         compare_priority);
  58
  59         return 0;
  60 }
  61
  62 /**
  63  * connman_storage_unregister:
  64  * @storage: storage module
  65  *
  66  * Remove a previously registered storage module
  67  */
  68 void connman_storage_unregister(struct connman_storage *storage)
  69 {
  70         DBG("storage %p name %s", storage, storage->name);
  71
  72         storage_list = g_slist_remove(storage_list, storage);
  73 }
  74
  75 GKeyFile *__connman_storage_open(const char *ident, const char *suffix)
  76 {
  77         GKeyFile *keyfile;
  78         gchar *pathname, *data = NULL;
  79         gboolean result;
  80         gsize length;
  81
  82         DBG("ident %s suffix %s", ident, suffix);
  83
  84         pathname = g_strdup_printf("%s/%s.%s", STORAGEDIR, ident, suffix);
  85         if (pathname == NULL)
  86                 return NULL;
  87
  88         result = g_file_get_contents(pathname, &data, &length, NULL);
  89
  90         g_free(pathname);
  91
  92         keyfile = g_key_file_new();
  93
  94         if (result == FALSE)
  95                 goto done;
  96
  97         if (length > 0)
  98                 g_key_file_load_from_data(keyfile, data, length, 0, NULL);
  99
 100         g_free(data);
 101
 102 done:
 103         DBG("keyfile %p", keyfile);
 104
 105         return keyfile;
 106 }
 107
 108 void __connman_storage_close(const char *ident, const char *suffix,
 109                                         GKeyFile *keyfile, gboolean save)
 110 {
 111         gchar *pathname, *data = NULL;
 112         gsize length = 0;
 113
 114         DBG("ident %s suffix %s keyfile %p save %d",
 115                                         ident, suffix, keyfile, save);
 116
 117         if (save == FALSE) {
 118                 g_key_file_free(keyfile);
 119                 return;
 120         }
 121
 122         pathname = g_strdup_printf("%s/%s.%s", STORAGEDIR, ident, suffix);
 123         if (pathname == NULL)
 124                 return;
 125
 126         data = g_key_file_to_data(keyfile, &length, NULL);
 127
 128         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
 129                 connman_error("Failed to store information");
 130
 131         g_free(data);
 132
 133         g_free(pathname);
 134
 135         g_key_file_free(keyfile);
 136 }
 137
 138 void __connman_storage_delete(const char *ident, const char *suffix)
 139 {
 140         gchar *pathname;
 141
 142         DBG("ident %s suffix %s", ident, suffix);
 143
 144         pathname = g_strdup_printf("%s/%s.%s", STORAGEDIR, ident, suffix);
 145         if (pathname == NULL)
 146                 return;
 147
 148         if (unlink(pathname) < 0)
 149                 connman_error("Failed to remove %s", pathname);
 150 }
 151
 152 GKeyFile *__connman_storage_open_profile(const char *ident)
 153 {
 154         return __connman_storage_open(ident, PROFILE_SUFFIX);
 155 }
 156
 157 void __connman_storage_close_profile(const char *ident,
 158                                         GKeyFile *keyfile, gboolean save)
 159 {
 160         __connman_storage_close(ident, PROFILE_SUFFIX, keyfile, save);
 161 }
 162
 163 void __connman_storage_delete_profile(const char *ident)
 164 {
 165         __connman_storage_delete(ident, PROFILE_SUFFIX);
 166 }
 167
 168 GKeyFile *__connman_storage_open_config(const char *ident)
 169 {
 170         return __connman_storage_open(ident, CONFIG_SUFFIX);
 171 }
 172
 173 void __connman_storage_close_config(const char *ident,
 174                                         GKeyFile *keyfile, gboolean save)
 175 {
 176         __connman_storage_close(ident, CONFIG_SUFFIX, keyfile, save);
 177 }
 178
 179 void __connman_storage_delete_config(const char *ident)
 180 {
 181         __connman_storage_delete(ident, CONFIG_SUFFIX);
 182 }
 183
 184 int __connman_storage_init_profile(void)
 185 {
 186         GSList *list;
 187
 188         DBG("");
 189
 190         for (list = storage_list; list; list = list->next) {
 191                 struct connman_storage *storage = list->data;
 192
 193                 if (storage->profile_init) {
 194                         if (storage->profile_init() == 0)
 195                                 return 0;
 196                 }
 197         }
 198
 199         return -ENOENT;
 200 }
 201
 202 int __connman_storage_load_profile(struct connman_profile *profile)
 203 {
 204         GSList *list;
 205
 206         DBG("profile %p", profile);
 207
 208         for (list = storage_list; list; list = list->next) {
 209                 struct connman_storage *storage = list->data;
 210
 211                 if (storage->profile_load) {
 212                         if (storage->profile_load(profile) == 0)
 213                                 return 0;
 214                 }
 215         }
 216
 217         return -ENOENT;
 218 }
 219
 220 int __connman_storage_save_profile(struct connman_profile *profile)
 221 {
 222         GSList *list;
 223
 224         DBG("profile %p", profile);
 225
 226         for (list = storage_list; list; list = list->next) {
 227                 struct connman_storage *storage = list->data;
 228
 229                 if (storage->profile_save) {
 230                         if (storage->profile_save(profile) == 0)
 231                                 return 0;
 232                 }
 233         }
 234
 235         return -ENOENT;
 236 }
 237
 238 int __connman_storage_load_service(struct connman_service *service)
 239 {
 240         GSList *list;
 241
 242         DBG("service %p", service);
 243
 244         for (list = storage_list; list; list = list->next) {
 245                 struct connman_storage *storage = list->data;
 246
 247                 if (storage->service_load) {
 248                         if (storage->service_load(service) == 0)
 249                                 return 0;
 250                 }
 251         }
 252
 253         return -ENOENT;
 254 }
 255
 256 int __connman_storage_save_service(struct connman_service *service)
 257 {
 258         GSList *list;
 259
 260         DBG("service %p", service);
 261
 262         for (list = storage_list; list; list = list->next) {
 263                 struct connman_storage *storage = list->data;
 264
 265                 if (storage->service_save) {
 266                         if (storage->service_save(service) == 0)
 267                                 return 0;
 268                 }
 269         }
 270
 271         return -ENOENT;
 272 }
 273
 274 int __connman_storage_load_technology(struct connman_technology *technology)
 275 {
 276         GSList *list;
 277
 278         DBG("technology %p", technology);
 279
 280         for (list = storage_list; list; list = list->next) {
 281                 struct connman_storage *storage = list->data;
 282
 283                 if (storage->tech_load) {
 284                         if (storage->tech_load(technology) == 0)
 285                                 return 0;
 286                 }
 287         }
 288
 289         return -ENOENT;
 290 }
 291
 292 int __connman_storage_save_technology(struct connman_technology *technology)
 293 {
 294         GSList *list;
 295
 296         DBG("technology %p", technology);
 297
 298         for (list = storage_list; list; list = list->next) {
 299                 struct connman_storage *storage = list->data;
 300
 301                 if (storage->tech_save) {
 302                         if (storage->tech_save(technology) == 0)
 303                                 return 0;
 304                 }
 305         }
 306
 307         return -ENOENT;
 308 }
 309
 310 int __connman_storage_init(void)
 311 {
 312         DBG("");
 313
 314         return 0;
 315 }
 316
 317 void __connman_storage_cleanup(void)
 318 {
 319         DBG("");
 320 }