src/notifier.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 <gdbus.h>
  27
  28 #include "connman.h"
  29
  30 static DBusConnection *connection = NULL;
  31
  32 static GSList *notifier_list = NULL;
  33
  34 static gint compare_priority(gconstpointer a, gconstpointer b)
  35 {
  36         const struct connman_notifier *notifier1 = a;
  37         const struct connman_notifier *notifier2 = b;
  38
  39         return notifier2->priority - notifier1->priority;
  40 }
  41
  42 /**
  43  * connman_notifier_register:
  44  * @notifier: notifier module
  45  *
  46  * Register a new notifier module
  47  *
  48  * Returns: %0 on success
  49  */
  50 int connman_notifier_register(struct connman_notifier *notifier)
  51 {
  52         DBG("notifier %p name %s", notifier, notifier->name);
  53
  54         notifier_list = g_slist_insert_sorted(notifier_list, notifier,
  55                                                         compare_priority);
  56
  57         return 0;
  58 }
  59
  60 /**
  61  * connman_notifier_unregister:
  62  * @notifier: notifier module
  63  *
  64  * Remove a previously registered notifier module
  65  */
  66 void connman_notifier_unregister(struct connman_notifier *notifier)
  67 {
  68         DBG("notifier %p name %s", notifier, notifier->name);
  69
  70         notifier_list = g_slist_remove(notifier_list, notifier);
  71 }
  72
  73 #define MAX_TECHNOLOGIES 10
  74
  75 static volatile gint registered[MAX_TECHNOLOGIES];
  76 static volatile gint enabled[MAX_TECHNOLOGIES];
  77 static volatile gint connected[MAX_TECHNOLOGIES];
  78
  79 void __connman_notifier_list_registered(DBusMessageIter *iter)
  80 {
  81         int i;
  82
  83         for (i = 0; i < 10; i++) {
  84                 const char *type = __connman_service_type2string(i);
  85
  86                 if (type == NULL)
  87                         continue;
  88
  89                 if (g_atomic_int_get(&registered[i]) > 0)
  90                         dbus_message_iter_append_basic(iter,
  91                                                 DBUS_TYPE_STRING, &type);
  92         }
  93 }
  94
  95 void __connman_notifier_list_enabled(DBusMessageIter *iter)
  96 {
  97         int i;
  98
  99         for (i = 0; i < 10; i++) {
 100                 const char *type = __connman_service_type2string(i);
 101
 102                 if (type == NULL)
 103                         continue;
 104
 105                 if (g_atomic_int_get(&enabled[i]) > 0)
 106                         dbus_message_iter_append_basic(iter,
 107                                                 DBUS_TYPE_STRING, &type);
 108         }
 109 }
 110
 111 void __connman_notifier_list_connected(DBusMessageIter *iter)
 112 {
 113         int i;
 114
 115         for (i = 0; i < 10; i++) {
 116                 const char *type = __connman_service_type2string(i);
 117
 118                 if (type == NULL)
 119                         continue;
 120
 121                 if (g_atomic_int_get(&connected[i]) > 0)
 122                         dbus_message_iter_append_basic(iter,
 123                                                 DBUS_TYPE_STRING, &type);
 124         }
 125 }
 126
 127 static void technology_registered(enum connman_service_type type,
 128                                                 connman_bool_t registered)
 129 {
 130         DBusMessage *signal;
 131         DBusMessageIter entry, value, iter;
 132         const char *key = "AvailableTechnologies";
 133
 134         DBG("type %d registered %d", type, registered);
 135
 136         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 137                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 138         if (signal == NULL)
 139                 return;
 140
 141         dbus_message_iter_init_append(signal, &entry);
 142
 143         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 144
 145         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 146                         DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
 147                                                                 &value);
 148
 149         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 150                                         DBUS_TYPE_STRING_AS_STRING, &iter);
 151         __connman_notifier_list_registered(&iter);
 152         dbus_message_iter_close_container(&value, &iter);
 153
 154         dbus_message_iter_close_container(&entry, &value);
 155
 156         g_dbus_send_message(connection, signal);
 157 }
 158
 159 static void technology_enabled(enum connman_service_type type,
 160                                                 connman_bool_t enabled)
 161 {
 162         GSList *list;
 163         DBusMessage *signal;
 164         DBusMessageIter entry, value, iter;
 165         const char *key = "EnabledTechnologies";
 166
 167         DBG("type %d enabled %d", type, enabled);
 168
 169         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 170                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 171         if (signal == NULL)
 172                 goto done;
 173
 174         dbus_message_iter_init_append(signal, &entry);
 175
 176         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 177
 178         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 179                         DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
 180                                                                 &value);
 181
 182         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 183                                         DBUS_TYPE_STRING_AS_STRING, &iter);
 184         __connman_notifier_list_enabled(&iter);
 185         dbus_message_iter_close_container(&value, &iter);
 186
 187         dbus_message_iter_close_container(&entry, &value);
 188
 189         g_dbus_send_message(connection, signal);
 190
 191 done:
 192         for (list = notifier_list; list; list = list->next) {
 193                 struct connman_notifier *notifier = list->data;
 194
 195                 if (notifier->service_enabled)
 196                         notifier->service_enabled(type, enabled);
 197         }
 198 }
 199
 200 static void technology_connected(enum connman_service_type type,
 201                                                 connman_bool_t connected)
 202 {
 203         DBusMessage *signal;
 204         DBusMessageIter entry, value, iter;
 205         const char *key = "ConnectedTechnologies";
 206
 207         DBG("type %d connected %d", type, connected);
 208
 209         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 210                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 211         if (signal == NULL)
 212                 return;
 213
 214         dbus_message_iter_init_append(signal, &entry);
 215
 216         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 217
 218         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 219                         DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING,
 220                                                                 &value);
 221
 222         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 223                                         DBUS_TYPE_STRING_AS_STRING, &iter);
 224         __connman_notifier_list_connected(&iter);
 225         dbus_message_iter_close_container(&value, &iter);
 226
 227         dbus_message_iter_close_container(&entry, &value);
 228
 229         g_dbus_send_message(connection, signal);
 230 }
 231
 232 void __connman_notifier_register(enum connman_service_type type)
 233 {
 234         DBG("type %d", type);
 235
 236         switch (type) {
 237         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 238                 return;
 239         case CONNMAN_SERVICE_TYPE_ETHERNET:
 240         case CONNMAN_SERVICE_TYPE_WIFI:
 241         case CONNMAN_SERVICE_TYPE_WIMAX:
 242         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 243         case CONNMAN_SERVICE_TYPE_CELLULAR:
 244                 break;
 245         }
 246
 247         if (g_atomic_int_exchange_and_add(&registered[type], 1) == 0)
 248                 technology_registered(type, TRUE);
 249 }
 250
 251 void __connman_notifier_unregister(enum connman_service_type type)
 252 {
 253         DBG("type %d", type);
 254
 255         switch (type) {
 256         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 257                 return;
 258         case CONNMAN_SERVICE_TYPE_ETHERNET:
 259         case CONNMAN_SERVICE_TYPE_WIFI:
 260         case CONNMAN_SERVICE_TYPE_WIMAX:
 261         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 262         case CONNMAN_SERVICE_TYPE_CELLULAR:
 263                 break;
 264         }
 265
 266         if (g_atomic_int_dec_and_test(&registered[type]) == TRUE)
 267                 technology_registered(type, FALSE);
 268 }
 269
 270 void __connman_notifier_enable(enum connman_service_type type)
 271 {
 272         DBG("type %d", type);
 273
 274         switch (type) {
 275         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 276                 return;
 277         case CONNMAN_SERVICE_TYPE_ETHERNET:
 278         case CONNMAN_SERVICE_TYPE_WIFI:
 279         case CONNMAN_SERVICE_TYPE_WIMAX:
 280         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 281         case CONNMAN_SERVICE_TYPE_CELLULAR:
 282                 break;
 283         }
 284
 285         if (g_atomic_int_exchange_and_add(&enabled[type], 1) == 0)
 286                 technology_enabled(type, TRUE);
 287 }
 288
 289 void __connman_notifier_disable(enum connman_service_type type)
 290 {
 291         DBG("type %d", type);
 292
 293         switch (type) {
 294         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 295                 return;
 296         case CONNMAN_SERVICE_TYPE_ETHERNET:
 297         case CONNMAN_SERVICE_TYPE_WIFI:
 298         case CONNMAN_SERVICE_TYPE_WIMAX:
 299         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 300         case CONNMAN_SERVICE_TYPE_CELLULAR:
 301                 break;
 302         }
 303
 304         if (g_atomic_int_dec_and_test(&enabled[type]) == TRUE)
 305                 technology_enabled(type, FALSE);
 306 }
 307
 308 void __connman_notifier_connect(enum connman_service_type type)
 309 {
 310         DBG("type %d", type);
 311
 312         switch (type) {
 313         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 314                 return;
 315         case CONNMAN_SERVICE_TYPE_ETHERNET:
 316         case CONNMAN_SERVICE_TYPE_WIFI:
 317         case CONNMAN_SERVICE_TYPE_WIMAX:
 318         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 319         case CONNMAN_SERVICE_TYPE_CELLULAR:
 320                 break;
 321         }
 322
 323         if (g_atomic_int_exchange_and_add(&connected[type], 1) == 0)
 324                 technology_connected(type, TRUE);
 325 }
 326
 327 void __connman_notifier_disconnect(enum connman_service_type type)
 328 {
 329         DBG("type %d", type);
 330
 331         switch (type) {
 332         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 333                 return;
 334         case CONNMAN_SERVICE_TYPE_ETHERNET:
 335         case CONNMAN_SERVICE_TYPE_WIFI:
 336         case CONNMAN_SERVICE_TYPE_WIMAX:
 337         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 338         case CONNMAN_SERVICE_TYPE_CELLULAR:
 339                 break;
 340         }
 341
 342         if (g_atomic_int_dec_and_test(&connected[type]) == TRUE)
 343                 technology_connected(type, FALSE);
 344 }
 345
 346 static void offlinemode_changed(dbus_bool_t enabled)
 347 {
 348         DBusMessage *signal;
 349         DBusMessageIter entry, value;
 350         const char *key = "OfflineMode";
 351
 352         DBG("enabled %d", enabled);
 353
 354         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 355                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 356         if (signal == NULL)
 357                 return;
 358
 359         dbus_message_iter_init_append(signal, &entry);
 360
 361         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 362
 363         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 364                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 365         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &enabled);
 366         dbus_message_iter_close_container(&entry, &value);
 367
 368         g_dbus_send_message(connection, signal);
 369 }
 370
 371 void __connman_notifier_offlinemode(connman_bool_t enabled)
 372 {
 373         GSList *list;
 374
 375         DBG("enabled %d", enabled);
 376
 377         __connman_profile_changed(FALSE);
 378
 379         offlinemode_changed(enabled);
 380
 381         for (list = notifier_list; list; list = list->next) {
 382                 struct connman_notifier *notifier = list->data;
 383
 384                 if (notifier->offline_mode)
 385                         notifier->offline_mode(enabled);
 386         }
 387 }
 388
 389 connman_bool_t __connman_notifier_is_enabled(enum connman_service_type type)
 390 {
 391         DBG("type %d", type);
 392
 393         switch (type) {
 394         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 395                 return FALSE;
 396         case CONNMAN_SERVICE_TYPE_ETHERNET:
 397         case CONNMAN_SERVICE_TYPE_WIFI:
 398         case CONNMAN_SERVICE_TYPE_WIMAX:
 399         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 400         case CONNMAN_SERVICE_TYPE_CELLULAR:
 401                 break;
 402         }
 403
 404         if (g_atomic_int_get(&enabled[type]) > 0)
 405                 return TRUE;
 406
 407         return FALSE;
 408 }
 409
 410 int __connman_notifier_init(void)
 411 {
 412         DBG("");
 413
 414         connection = connman_dbus_get_connection();
 415
 416         return 0;
 417 }
 418
 419 void __connman_notifier_cleanup(void)
 420 {
 421         DBG("");
 422
 423         dbus_connection_unref(connection);
 424 }