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