src/notifier.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 <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, void *user_data)
  80 {
  81         int i;
  82
  83         for (i = 0; i < MAX_TECHNOLOGIES; 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, void *user_data)
  96 {
  97         int i;
  98
  99         for (i = 0; i < MAX_TECHNOLOGIES; 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, void *user_data)
 112 {
 113         int i;
 114
 115         for (i = 0; i < MAX_TECHNOLOGIES; 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         DBG("type %d registered %d", type, registered);
 131
 132         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 133                 CONNMAN_MANAGER_INTERFACE, "AvailableTechnologies",
 134                 DBUS_TYPE_STRING, __connman_notifier_list_registered, NULL);
 135 }
 136
 137 static void technology_enabled(enum connman_service_type type,
 138                                                 connman_bool_t enabled)
 139 {
 140         GSList *list;
 141
 142         DBG("type %d enabled %d", type, enabled);
 143
 144         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 145                 CONNMAN_MANAGER_INTERFACE, "EnabledTechnologies",
 146                 DBUS_TYPE_STRING, __connman_notifier_list_enabled, NULL);
 147
 148         for (list = notifier_list; list; list = list->next) {
 149                 struct connman_notifier *notifier = list->data;
 150
 151                 if (notifier->service_enabled)
 152                         notifier->service_enabled(type, enabled);
 153         }
 154 }
 155
 156 unsigned int __connman_notifier_count_connected(void)
 157 {
 158         unsigned int i, count = 0;
 159
 160         for (i = 0; i < MAX_TECHNOLOGIES; i++) {
 161                 if (g_atomic_int_get(&connected[i]) > 0)
 162                         count++;
 163         }
 164
 165         return count;
 166 }
 167
 168 const char *__connman_notifier_get_state(void)
 169 {
 170         unsigned int count = __connman_notifier_count_connected();
 171
 172         if (count > 0)
 173                 return "online";
 174
 175         return "offline";
 176 }
 177
 178 static void state_changed(void)
 179 {
 180         unsigned int count = __connman_notifier_count_connected();
 181         char *state = "offline";
 182         DBusMessage *signal;
 183
 184         if (count > 1)
 185                 return;
 186
 187         if (count > 0)
 188                 state = "online";
 189
 190         connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
 191                                 CONNMAN_MANAGER_INTERFACE, "State",
 192                                                 DBUS_TYPE_STRING, &state);
 193
 194         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 195                                 CONNMAN_MANAGER_INTERFACE, "StateChanged");
 196         if (signal == NULL)
 197                 return;
 198
 199         dbus_message_append_args(signal, DBUS_TYPE_STRING, &state,
 200                                                         DBUS_TYPE_INVALID);
 201
 202         g_dbus_send_message(connection, signal);
 203 }
 204
 205 static void technology_connected(enum connman_service_type type,
 206                                                 connman_bool_t connected)
 207 {
 208         DBG("type %d connected %d", type, connected);
 209
 210         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 211                 CONNMAN_MANAGER_INTERFACE, "ConnectedTechnologies",
 212                 DBUS_TYPE_STRING, __connman_notifier_list_connected, NULL);
 213
 214         state_changed();
 215 }
 216
 217 void __connman_notifier_register(enum connman_service_type type)
 218 {
 219         DBG("type %d", type);
 220
 221         switch (type) {
 222         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 223         case CONNMAN_SERVICE_TYPE_SYSTEM:
 224         case CONNMAN_SERVICE_TYPE_GPS:
 225         case CONNMAN_SERVICE_TYPE_VPN:
 226         case CONNMAN_SERVICE_TYPE_GADGET:
 227                 return;
 228         case CONNMAN_SERVICE_TYPE_ETHERNET:
 229         case CONNMAN_SERVICE_TYPE_WIFI:
 230         case CONNMAN_SERVICE_TYPE_WIMAX:
 231         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 232         case CONNMAN_SERVICE_TYPE_CELLULAR:
 233                 break;
 234         }
 235
 236         if (g_atomic_int_exchange_and_add(&registered[type], 1) == 0)
 237                 technology_registered(type, TRUE);
 238 }
 239
 240 void __connman_notifier_unregister(enum connman_service_type type)
 241 {
 242         DBG("type %d", type);
 243
 244         switch (type) {
 245         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 246         case CONNMAN_SERVICE_TYPE_SYSTEM:
 247         case CONNMAN_SERVICE_TYPE_GPS:
 248         case CONNMAN_SERVICE_TYPE_VPN:
 249         case CONNMAN_SERVICE_TYPE_GADGET:
 250                 return;
 251         case CONNMAN_SERVICE_TYPE_ETHERNET:
 252         case CONNMAN_SERVICE_TYPE_WIFI:
 253         case CONNMAN_SERVICE_TYPE_WIMAX:
 254         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 255         case CONNMAN_SERVICE_TYPE_CELLULAR:
 256                 break;
 257         }
 258
 259         if (g_atomic_int_dec_and_test(&registered[type]) == TRUE)
 260                 technology_registered(type, FALSE);
 261 }
 262
 263 void __connman_notifier_enable(enum connman_service_type type)
 264 {
 265         DBG("type %d", type);
 266
 267         switch (type) {
 268         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 269         case CONNMAN_SERVICE_TYPE_SYSTEM:
 270         case CONNMAN_SERVICE_TYPE_GPS:
 271         case CONNMAN_SERVICE_TYPE_VPN:
 272         case CONNMAN_SERVICE_TYPE_GADGET:
 273                 return;
 274         case CONNMAN_SERVICE_TYPE_ETHERNET:
 275         case CONNMAN_SERVICE_TYPE_WIFI:
 276         case CONNMAN_SERVICE_TYPE_WIMAX:
 277         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 278         case CONNMAN_SERVICE_TYPE_CELLULAR:
 279                 break;
 280         }
 281
 282         if (g_atomic_int_exchange_and_add(&enabled[type], 1) == 0)
 283                 technology_enabled(type, TRUE);
 284 }
 285
 286 void __connman_notifier_disable(enum connman_service_type type)
 287 {
 288         DBG("type %d", type);
 289
 290         switch (type) {
 291         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 292         case CONNMAN_SERVICE_TYPE_SYSTEM:
 293         case CONNMAN_SERVICE_TYPE_GPS:
 294         case CONNMAN_SERVICE_TYPE_VPN:
 295         case CONNMAN_SERVICE_TYPE_GADGET:
 296                 return;
 297         case CONNMAN_SERVICE_TYPE_ETHERNET:
 298         case CONNMAN_SERVICE_TYPE_WIFI:
 299         case CONNMAN_SERVICE_TYPE_WIMAX:
 300         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 301         case CONNMAN_SERVICE_TYPE_CELLULAR:
 302                 break;
 303         }
 304
 305         if (g_atomic_int_dec_and_test(&enabled[type]) == TRUE)
 306                 technology_enabled(type, FALSE);
 307 }
 308
 309 void __connman_notifier_connect(enum connman_service_type type)
 310 {
 311         DBG("type %d", type);
 312
 313         switch (type) {
 314         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 315         case CONNMAN_SERVICE_TYPE_SYSTEM:
 316         case CONNMAN_SERVICE_TYPE_GPS:
 317         case CONNMAN_SERVICE_TYPE_VPN:
 318         case CONNMAN_SERVICE_TYPE_GADGET:
 319                 return;
 320         case CONNMAN_SERVICE_TYPE_ETHERNET:
 321         case CONNMAN_SERVICE_TYPE_WIFI:
 322         case CONNMAN_SERVICE_TYPE_WIMAX:
 323         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 324         case CONNMAN_SERVICE_TYPE_CELLULAR:
 325                 break;
 326         }
 327
 328         if (g_atomic_int_exchange_and_add(&connected[type], 1) == 0)
 329                 technology_connected(type, TRUE);
 330 }
 331
 332 void __connman_notifier_disconnect(enum connman_service_type type)
 333 {
 334         DBG("type %d", type);
 335
 336         switch (type) {
 337         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 338         case CONNMAN_SERVICE_TYPE_SYSTEM:
 339         case CONNMAN_SERVICE_TYPE_GPS:
 340         case CONNMAN_SERVICE_TYPE_VPN:
 341         case CONNMAN_SERVICE_TYPE_GADGET:
 342                 return;
 343         case CONNMAN_SERVICE_TYPE_ETHERNET:
 344         case CONNMAN_SERVICE_TYPE_WIFI:
 345         case CONNMAN_SERVICE_TYPE_WIMAX:
 346         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 347         case CONNMAN_SERVICE_TYPE_CELLULAR:
 348                 break;
 349         }
 350
 351         if (g_atomic_int_dec_and_test(&connected[type]) == TRUE)
 352                 technology_connected(type, FALSE);
 353 }
 354
 355 static void technology_default(enum connman_service_type type)
 356 {
 357         const char *str;
 358
 359         str = __connman_service_type2string(type);
 360         if (str == NULL)
 361                 str = "";
 362
 363         connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
 364                         CONNMAN_MANAGER_INTERFACE, "DefaultTechnology",
 365                                                 DBUS_TYPE_STRING, &str);
 366 }
 367
 368 void __connman_notifier_default_changed(struct connman_service *service)
 369 {
 370         enum connman_service_type type = connman_service_get_type(service);
 371         char *interface;
 372         GSList *list;
 373
 374         technology_default(type);
 375
 376         interface = connman_service_get_interface(service);
 377         __connman_tethering_update_interface(interface);
 378         g_free(interface);
 379
 380         for (list = notifier_list; list; list = list->next) {
 381                 struct connman_notifier *notifier = list->data;
 382
 383                 if (notifier->default_changed)
 384                         notifier->default_changed(service);
 385         }
 386 }
 387
 388 void __connman_notifier_proxy_changed(struct connman_service *service)
 389 {
 390         GSList *list;
 391
 392         for (list = notifier_list; list; list = list->next) {
 393                 struct connman_notifier *notifier = list->data;
 394
 395                 if (notifier->proxy_changed)
 396                         notifier->proxy_changed(service);
 397         }
 398 }
 399
 400 static void offlinemode_changed(dbus_bool_t enabled)
 401 {
 402         DBG("enabled %d", enabled);
 403
 404         connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
 405                                 CONNMAN_MANAGER_INTERFACE, "OfflineMode",
 406                                                 DBUS_TYPE_BOOLEAN, &enabled);
 407 }
 408
 409 void __connman_notifier_offlinemode(connman_bool_t enabled)
 410 {
 411         GSList *list;
 412
 413         DBG("enabled %d", enabled);
 414
 415         __connman_profile_changed(FALSE);
 416
 417         offlinemode_changed(enabled);
 418
 419         for (list = notifier_list; list; list = list->next) {
 420                 struct connman_notifier *notifier = list->data;
 421
 422                 if (notifier->offline_mode)
 423                         notifier->offline_mode(enabled);
 424         }
 425 }
 426
 427 static connman_bool_t technology_supported(enum connman_service_type type)
 428 {
 429         switch (type) {
 430         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 431         case CONNMAN_SERVICE_TYPE_SYSTEM:
 432         case CONNMAN_SERVICE_TYPE_GPS:
 433         case CONNMAN_SERVICE_TYPE_VPN:
 434         case CONNMAN_SERVICE_TYPE_GADGET:
 435                 return FALSE;
 436         case CONNMAN_SERVICE_TYPE_ETHERNET:
 437         case CONNMAN_SERVICE_TYPE_WIFI:
 438         case CONNMAN_SERVICE_TYPE_WIMAX:
 439         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 440         case CONNMAN_SERVICE_TYPE_CELLULAR:
 441                 break;
 442         }
 443
 444         return TRUE;
 445 }
 446
 447 connman_bool_t __connman_notifier_is_registered(enum connman_service_type type)
 448 {
 449         DBG("type %d", type);
 450
 451         if (technology_supported(type) == FALSE)
 452                 return FALSE;
 453
 454         if (g_atomic_int_get(&registered[type]) > 0)
 455                 return TRUE;
 456
 457         return FALSE;
 458 }
 459
 460 connman_bool_t __connman_notifier_is_enabled(enum connman_service_type type)
 461 {
 462         DBG("type %d", type);
 463
 464         if (technology_supported(type) == FALSE)
 465                 return FALSE;
 466
 467         if (g_atomic_int_get(&enabled[type]) > 0)
 468                 return TRUE;
 469
 470         return FALSE;
 471 }
 472
 473 int __connman_notifier_init(void)
 474 {
 475         DBG("");
 476
 477         connection = connman_dbus_get_connection();
 478
 479         return 0;
 480 }
 481
 482 void __connman_notifier_cleanup(void)
 483 {
 484         DBG("");
 485
 486         dbus_connection_unref(connection);
 487 }