src/storage.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 <unistd.h>
  27
  28 #include "connman.h"
  29
  30 static GSList *storage_list = NULL;
  31
  32 static gint compare_priority(gconstpointer a, gconstpointer b)
  33 {
  34         const struct connman_storage *storage1 = a;
  35         const struct connman_storage *storage2 = b;
  36
  37         return storage2->priority - storage1->priority;
  38 }
  39
  40 /**
  41  * connman_storage_register:
  42  * @storage: storage module
  43  *
  44  * Register a new storage module
  45  *
  46  * Returns: %0 on success
  47  */
  48 int connman_storage_register(struct connman_storage *storage)
  49 {
  50         DBG("storage %p name %s", storage, storage->name);
  51
  52         storage_list = g_slist_insert_sorted(storage_list, storage,
  53                                                         compare_priority);
  54
  55         return 0;
  56 }
  57
  58 /**
  59  * connman_storage_unregister:
  60  * @storage: storage module
  61  *
  62  * Remove a previously registered storage module
  63  */
  64 void connman_storage_unregister(struct connman_storage *storage)
  65 {
  66         DBG("storage %p name %s", storage, storage->name);
  67
  68         storage_list = g_slist_remove(storage_list, storage);
  69 }
  70
  71 GKeyFile *__connman_storage_open(const char *ident)
  72 {
  73         GKeyFile *keyfile;
  74         gchar *pathname, *data = NULL;
  75         gboolean result;
  76         gsize length;
  77
  78         DBG("ident %s", ident);
  79
  80         pathname = g_strdup_printf("%s/%s.profile", STORAGEDIR, ident);
  81         if (pathname == NULL)
  82                 return NULL;
  83
  84         result = g_file_get_contents(pathname, &data, &length, NULL);
  85
  86         g_free(pathname);
  87
  88         keyfile = g_key_file_new();
  89
  90         if (result == FALSE)
  91                 goto done;
  92
  93         if (length > 0)
  94                 g_key_file_load_from_data(keyfile, data, length, 0, NULL);
  95
  96         g_free(data);
  97
  98 done:
  99         DBG("keyfile %p", keyfile);
 100
 101         return keyfile;
 102 }
 103
 104 void __connman_storage_close(const char *ident,
 105                                         GKeyFile *keyfile, gboolean save)
 106 {
 107         gchar *pathname, *data = NULL;
 108         gsize length = 0;
 109
 110         DBG("ident %s keyfile %p save %d", ident, keyfile, save);
 111
 112         if (save == FALSE) {
 113                 g_key_file_free(keyfile);
 114                 return;
 115         }
 116
 117         pathname = g_strdup_printf("%s/%s.profile", STORAGEDIR, ident);
 118         if (pathname == NULL)
 119                 return;
 120
 121         data = g_key_file_to_data(keyfile, &length, NULL);
 122
 123         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
 124                 connman_error("Failed to store information");
 125
 126         g_free(data);
 127
 128         g_free(pathname);
 129
 130         g_key_file_free(keyfile);
 131 }
 132
 133 void __connman_storage_delete(const char *ident)
 134 {
 135         gchar *pathname;
 136
 137         DBG("ident %s", ident);
 138
 139         pathname = g_strdup_printf("%s/%s.profile", STORAGEDIR, ident);
 140         if (pathname == NULL)
 141                 return;
 142
 143         if (unlink(pathname) < 0)
 144                 connman_error("Failed to remove %s", pathname);
 145 }
 146
 147 int __connman_storage_init_profile(void)
 148 {
 149         GSList *list;
 150
 151         DBG("");
 152
 153         for (list = storage_list; list; list = list->next) {
 154                 struct connman_storage *storage = list->data;
 155
 156                 if (storage->profile_init) {
 157                         if (storage->profile_init() == 0)
 158                                 return 0;
 159                 }
 160         }
 161
 162         return -ENOENT;
 163 }
 164
 165 int __connman_storage_load_profile(struct connman_profile *profile)
 166 {
 167         GSList *list;
 168
 169         DBG("profile %p", profile);
 170
 171         for (list = storage_list; list; list = list->next) {
 172                 struct connman_storage *storage = list->data;
 173
 174                 if (storage->profile_load) {
 175                         if (storage->profile_load(profile) == 0)
 176                                 return 0;
 177                 }
 178         }
 179
 180         return -ENOENT;
 181 }
 182
 183 int __connman_storage_save_profile(struct connman_profile *profile)
 184 {
 185         GSList *list;
 186
 187         DBG("profile %p", profile);
 188
 189         for (list = storage_list; list; list = list->next) {
 190                 struct connman_storage *storage = list->data;
 191
 192                 if (storage->profile_save) {
 193                         if (storage->profile_save(profile) == 0)
 194                                 return 0;
 195                 }
 196         }
 197
 198         return -ENOENT;
 199 }
 200
 201 int __connman_storage_load_service(struct connman_service *service)
 202 {
 203         GSList *list;
 204
 205         DBG("service %p", service);
 206
 207         for (list = storage_list; list; list = list->next) {
 208                 struct connman_storage *storage = list->data;
 209
 210                 if (storage->service_load) {
 211                         if (storage->service_load(service) == 0)
 212                                 return 0;
 213                 }
 214         }
 215
 216         return -ENOENT;
 217 }
 218
 219 int __connman_storage_save_service(struct connman_service *service)
 220 {
 221         GSList *list;
 222
 223         DBG("service %p", service);
 224
 225         for (list = storage_list; list; list = list->next) {
 226                 struct connman_storage *storage = list->data;
 227
 228                 if (storage->service_save) {
 229                         if (storage->service_save(service) == 0)
 230                                 return 0;
 231                 }
 232         }
 233
 234         return -ENOENT;
 235 }
 236
 237 int __connman_storage_load_device(struct connman_device *device)
 238 {
 239         GSList *list;
 240
 241         DBG("device %p", device);
 242
 243         for (list = storage_list; list; list = list->next) {
 244                 struct connman_storage *storage = list->data;
 245
 246                 if (storage->device_load) {
 247                         if (storage->device_load(device) == 0)
 248                                 return 0;
 249                 }
 250         }
 251
 252         return -ENOENT;
 253 }
 254
 255 int __connman_storage_save_device(struct connman_device *device)
 256 {
 257         GSList *list;
 258
 259         DBG("device %p", device);
 260
 261         for (list = storage_list; list; list = list->next) {
 262                 struct connman_storage *storage = list->data;
 263
 264                 if (storage->device_save) {
 265                         if (storage->device_save(device) == 0)
 266                                 return 0;
 267                 }
 268         }
 269
 270         return -ENOENT;
 271 }
 272
 273 int __connman_storage_init(void)
 274 {
 275         DBG("");
 276
 277         return 0;
 278 }
 279
 280 void __connman_storage_cleanup(void)
 281 {
 282         DBG("");
 283 }