src/wifi-state.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22
  23 #include "log.h"
  24 #include "util.h"
  25 #include "netdbus.h"
  26 #include "setting.h"
  27 #include "wifi-state.h"
  28 #include "wifi-power.h"
  29 #include "wifi-scan.h"
  30 #include "netsupplicant.h"
  31 #include "network-state.h"
  32 #include "wifi-indicator.h"
  33 #include "network-statistics.h"
  34 #include "wifi-background-scan.h"
  35
  36 #define NETCONFIG_UPDATE_DEVICE_LIST_COUNT              3
  37 #define NETCONFIG_UPDATE_DEVICE_LIST_TIMEOUT    1 * 1000
  38 #define NETCONFIG_NETWORK_NOTIFICATION_TIMEOUT  15 * 1000
  39
  40 static gboolean new_bss_found = FALSE;
  41
  42 static guint network_update_timer_cnt = 0;
  43 static guint network_update_timer_id = 0;
  44 static guint network_noti_timer_id = 0;
  45
  46 static GSList *g_device_list = NULL;
  47 static GSList *g_notifier_list = NULL;
  48
  49 static guint network_connected_popup_timer_id = 0;
  50 static gboolean block_network_connected_popup = FALSE;
  51
  52 static void __device_free_data(gpointer data)
  53 {
  54         wifi_device_data_s *device_data = data;
  55
  56         g_free(device_data->interface_name);
  57         g_free(device_data->mac_address);
  58         g_free(device_data);
  59
  60 }
  61
  62 static wifi_device_data_s *__device_get_data(const char *interface_name)
  63 {
  64         GSList *list = NULL;
  65
  66         for (list = g_device_list; list; list = list->next) {
  67                 wifi_device_data_s *device_data = list->data;
  68                 if (g_strcmp0(device_data->interface_name, interface_name) == 0)
  69                         return device_data;
  70         }
  71
  72         return NULL;
  73 }
  74
  75 static wifi_device_data_s *__device_get_data_by_macaddr(const char *macaddr)
  76 {
  77         GSList *list = NULL;
  78
  79         for (list = g_device_list; list; list = list->next) {
  80                 wifi_device_data_s *device_data = list->data;
  81                 if (g_ascii_strncasecmp(device_data->mac_address,
  82                                 macaddr, MAC_ADDRESS_MAX_LEN) == 0)
  83                         return device_data;
  84         }
  85
  86         return NULL;
  87 }
  88
  89 char *_convert_wifi_service_state_to_string(wifi_service_state_e wifi_service_state_type)
  90 {
  91         switch (wifi_service_state_type) {
  92         case NETCONFIG_WIFI_UNKNOWN:
  93                 return "unknown";
  94         case NETCONFIG_WIFI_IDLE:
  95                 return "idle";
  96         case NETCONFIG_WIFI_ASSOCIATION:
  97                 return "association";
  98         case NETCONFIG_WIFI_CONFIGURATION:
  99                 return "configuration";
 100         case NETCONFIG_WIFI_CONNECTED:
 101                 return "connected";
 102         case NETCONFIG_WIFI_FAILURE:
 103                 return "failure";
 104         default:
 105                 ERR("Invalid wifi_service_state_e parameter");
 106                 break;
 107         }
 108
 109         return "Invalid parameter";
 110 }
 111
 112 char *_convert_wifi_technology_state_to_string(wifi_tech_state_e wifi_tech_state_type)
 113 {
 114         switch (wifi_tech_state_type) {
 115         case NETCONFIG_WIFI_TECH_UNKNOWN:
 116                 return "unknown";
 117         case NETCONFIG_WIFI_TECH_OFF:
 118                 return "off";
 119         case NETCONFIG_WIFI_TECH_WPS_ONLY:
 120                 return "wps only";
 121         case NETCONFIG_WIFI_TECH_POWERED:
 122                 return "powered";
 123         case NETCONFIG_WIFI_TECH_CONNECTED:
 124                 return "connected";
 125         default:
 126                 ERR("Invalid wifi_tech_state_e parameter");
 127                 break;
 128         }
 129
 130         return "Invalid parameter";
 131 }
 132
 133 static gboolean _block_network_connection_popup(gpointer data)
 134 {
 135         block_network_connected_popup = FALSE;
 136         netconfig_stop_timer(&network_connected_popup_timer_id);
 137         return FALSE;
 138 }
 139
 140 static void __set_wifi_connected_essid(void)
 141 {
 142         const char *essid_name = NULL;
 143         const char *wifi_profile = netconfig_get_default_profile();
 144         const char *wifi_ifname = netconfig_get_default_ifname();
 145
 146         if (wifi_state_get_service_state(wifi_ifname) != NETCONFIG_WIFI_CONNECTED)
 147                 return;
 148
 149         if (wifi_profile == NULL ||
 150                         netconfig_is_wifi_profile(wifi_profile) != TRUE) {
 151                 ERR("Can't get Wi-Fi profile");
 152                 return;
 153         }
 154
 155         essid_name = netconfig_wifi_get_connected_essid(wifi_profile);
 156         if (essid_name == NULL) {
 157                 ERR("Can't get Wi-Fi name");
 158                 return;
 159         }
 160
 161         netconfig_set_vconf_str(VCONFKEY_WIFI_CONNECTED_AP_NAME, essid_name, TRUE);
 162
 163         /* Block Network Connected popup for 3sec
 164          * to avoid multiple popup's due to ready signals */
 165         if (block_network_connected_popup == FALSE) {
 166                 block_network_connected_popup = TRUE;
 167                 netconfig_start_timer(3000, _block_network_connection_popup,
 168                                 NULL, &network_connected_popup_timer_id);
 169                 __netconfig_pop_wifi_connected_poppup(essid_name);
 170         }
 171 }
 172
 173 static void __unset_wifi_connected_essid(void)
 174 {
 175         netconfig_set_vconf_str(VCONFKEY_WIFI_CONNECTED_AP_NAME, "", TRUE);
 176 }
 177
 178 static const char *__get_wifi_connected_essid(void)
 179 {
 180         const char *essid_name = NULL;
 181         const char *wifi_profile = netconfig_get_default_profile();
 182         const char *wifi_ifname = netconfig_get_default_ifname();
 183
 184         if (wifi_state_get_service_state(wifi_ifname) != NETCONFIG_WIFI_CONNECTED)
 185                 return NULL;
 186
 187         if (wifi_profile == NULL || netconfig_is_wifi_profile(wifi_profile) != TRUE) {
 188                 ERR("Can't get Wi-Fi profile");
 189                 return NULL;
 190         }
 191
 192         essid_name = netconfig_wifi_get_connected_essid(wifi_profile);
 193         if (essid_name == NULL) {
 194                 ERR("Can't get Wi-Fi name");
 195                 return NULL;
 196         }
 197
 198         return essid_name;
 199 }
 200
 201 static gboolean __is_wifi_profile_available(void)
 202 {
 203         GVariant *message = NULL;
 204         GVariantIter *iter, *next;
 205         gchar *obj;
 206
 207         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 208                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 209                         "GetServices", NULL);
 210         if (message == NULL) {
 211                 ERR("Failed to get service list");
 212                 return FALSE;
 213         }
 214
 215         g_variant_get(message, "(a(oa{sv}))", &iter);
 216         while (g_variant_iter_loop(iter, "(oa{sv})", &obj, &next)) {
 217                 if (obj == NULL || netconfig_is_wifi_profile((const gchar*)obj) == FALSE)
 218                         continue;
 219
 220                 g_variant_iter_free(next);
 221                 g_free(obj);
 222                 break;
 223         }
 224
 225         g_variant_unref(message);
 226
 227         g_variant_iter_free(iter);
 228
 229         return TRUE;
 230 }
 231
 232 static gboolean __is_favorited(GVariantIter *array)
 233 {
 234         gboolean is_favorite = FALSE;
 235         gchar *key;
 236         GVariant *var;
 237
 238         while (g_variant_iter_loop(array, "{sv}", &key, &var)) {
 239                 gboolean value;
 240
 241                 if (g_str_equal(key, "Favorite") != TRUE)
 242                         continue;
 243
 244                 value = g_variant_get_boolean(var);
 245                 if (value)
 246                         is_favorite = TRUE;
 247                 g_free(key);
 248                 g_variant_unref(var);
 249                 break;
 250         }
 251
 252         return is_favorite;
 253 }
 254
 255 static void _wifi_state_connected_activation(void)
 256 {
 257         /* Add activation of services when Wi-Fi is connected */
 258 }
 259
 260 static void _wifi_state_changed(const char *interface_name,
 261                 wifi_service_state_e state)
 262 {
 263         GSList *list;
 264         const char *ifname;
 265
 266         for (list = g_notifier_list; list; ) {
 267                 wifi_state_notifier_s *notifier = list->data;
 268                 list = list->next;
 269
 270                 if (notifier->service) {
 271                         ifname = netconfig_get_ifname(notifier->service);
 272                         if (g_strcmp0(ifname, interface_name) != 0)
 273                                 continue;
 274                 }
 275
 276                 if (notifier->wifi_state_changed != NULL)
 277                         notifier->wifi_state_changed(notifier->notifier,
 278                                 notifier->service, state, notifier->user_data);
 279         }
 280 }
 281
 282 static void _set_bss_found(gboolean found)
 283 {
 284         if (found != new_bss_found)
 285                 new_bss_found = found;
 286 }
 287
 288 static gboolean _check_network_notification(gpointer data)
 289 {
 290         int qs_enable = 0, ug_state = 0;
 291         static gboolean check_again = FALSE;
 292
 293         wifi_tech_state_e tech_state;
 294         wifi_service_state_e service_state;
 295         char *interface_name = data;
 296
 297         tech_state = wifi_state_get_technology_state(interface_name);
 298         if (tech_state < NETCONFIG_WIFI_TECH_POWERED) {
 299                 DBG("Wi-Fi off or WPS only supported[%d]", tech_state);
 300                 goto cleanup;
 301         }
 302
 303         service_state = wifi_state_get_service_state(interface_name);
 304         if (service_state == NETCONFIG_WIFI_CONNECTED) {
 305                 DBG("Service state is connected");
 306                 goto cleanup;
 307         } else if (service_state == NETCONFIG_WIFI_ASSOCIATION ||
 308                 service_state == NETCONFIG_WIFI_CONFIGURATION) {
 309                 DBG("Service state is connecting (check again : %d)", check_again);
 310                 if (!check_again) {
 311                         check_again = TRUE;
 312                         return TRUE;
 313                 } else
 314                         check_again = FALSE;
 315         }
 316
 317         if (__is_wifi_profile_available() == FALSE) {
 318                 netconfig_send_notification_to_net_popup(
 319                 NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 320                 goto cleanup;
 321         }
 322
 323         netconfig_vconf_get_int(VCONFKEY_WIFI_ENABLE_QS, &qs_enable);
 324         if (qs_enable != VCONFKEY_WIFI_QS_ENABLE) {
 325                 DBG("qs_enable != VCONFKEY_WIFI_QS_ENABLE");
 326                 goto cleanup;
 327         }
 328
 329         netconfig_vconf_get_int(VCONFKEY_WIFI_UG_RUN_STATE, &ug_state);
 330         if (ug_state == VCONFKEY_WIFI_UG_RUN_STATE_ON_FOREGROUND)
 331                 goto cleanup;
 332
 333         netconfig_send_notification_to_net_popup(NETCONFIG_ADD_FOUND_AP_NOTI, NULL);
 334
 335         _set_bss_found(FALSE);
 336
 337 cleanup:
 338         netconfig_stop_timer(&network_noti_timer_id);
 339         return FALSE;
 340 }
 341
 342 static char *_get_connman_favorite_service(void)
 343 {
 344         char *favorite_service = NULL;
 345         GVariant *message = NULL;
 346         gchar *obj;
 347         GVariantIter *iter, *next;
 348
 349         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 350                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 351                         "GetServices", NULL);
 352         if (message == NULL) {
 353                 ERR("Failed to get service list");
 354                 return NULL;
 355         }
 356
 357         g_variant_get(message, "(a(oa{sv}))", &iter);
 358         while (g_variant_iter_loop(iter, "(oa{sv})", &obj, &next)) {
 359                 if (obj == NULL || netconfig_is_wifi_profile(obj) == FALSE)
 360                         continue;
 361
 362                 if (__is_favorited(next) == TRUE) {
 363                         favorite_service = g_strdup(obj);
 364                         g_free(obj);
 365                         g_variant_iter_free(next);
 366                         break;
 367                 }
 368         }
 369
 370         g_variant_iter_free(iter);
 371         g_variant_unref(message);
 372
 373         return favorite_service;
 374 }
 375
 376 static void __notification_value_changed_cb(keynode_t *node, void *user_data)
 377 {
 378         int value = -1;
 379
 380         if (netconfig_vconf_get_int(VCONFKEY_WIFI_ENABLE_QS, &value) < 0)
 381                 return;
 382
 383         if (value == VCONFKEY_WIFI_QS_DISABLE)
 384                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 385 }
 386
 387 static void _register_network_notification(void)
 388 {
 389 #if defined TIZEN_WEARABLE
 390         return;
 391 #endif
 392         vconf_notify_key_changed(VCONFKEY_WIFI_ENABLE_QS, __notification_value_changed_cb, NULL);
 393 }
 394
 395 static void _deregister_network_notification(void)
 396 {
 397 #if defined TIZEN_WEARABLE
 398                 return;
 399 #endif
 400         vconf_ignore_key_changed(VCONFKEY_WIFI_ENABLE_QS, __notification_value_changed_cb);
 401 }
 402
 403 static void _set_power_lock(gboolean power_lock)
 404 {
 405         gint32 ret = 0;
 406         GVariant *reply;
 407         GVariant *params;
 408         char state[] = "lcdoff";
 409         char flag[] = "staycurstate";
 410         char standby[] = "NULL";
 411         int timeout = 0;
 412         char sleepmargin[] = "sleepmargin";
 413
 414         const char *lockstate = "lockstate";
 415         const char *unlockstate = "unlockstate";
 416         static gboolean old_state = FALSE;
 417         const char *lock_method;
 418
 419         if (old_state == power_lock)
 420                 return;
 421
 422         if (power_lock == TRUE) {
 423                 /* deviced power lock enable */
 424                 params = g_variant_new("(sssi)", state, flag, standby, timeout);
 425
 426                 lock_method = lockstate;
 427         } else {
 428                 /* deviced power lock disable */
 429                 params = g_variant_new("(ss)", state, sleepmargin);
 430
 431                 lock_method = unlockstate;
 432         }
 433
 434         reply = netconfig_invoke_dbus_method(
 435                         "org.tizen.system.deviced",
 436                         "/Org/Tizen/System/DeviceD/Display",
 437                         "org.tizen.system.deviced.display",
 438                         lock_method,
 439                         params);
 440         if (reply == NULL) {
 441                 ERR("Failed to set_power_lock");
 442                 return;
 443         }
 444
 445         if (g_variant_is_of_type(reply, G_VARIANT_TYPE_INT32)) {
 446                 ret = g_variant_get_int32(reply);
 447                 if (ret < 0)
 448                         ERR("Failed to set power lock %s with ret %d",
 449                                 power_lock == TRUE ? "enable" : "disable", ret);
 450                 else
 451                         old_state = power_lock;
 452         }
 453
 454         g_variant_unref(reply);
 455
 456         return;
 457 }
 458
 459 void wifi_state_emit_power_completed(const char *interface_name, gboolean power_on)
 460 {
 461         if (power_on)
 462                 wifi_emit_power_on_completed((Wifi *)get_wifi_object(), interface_name);
 463         else
 464                 wifi_emit_power_off_completed((Wifi *)get_wifi_object(), interface_name);
 465
 466         DBG("Successfully sent signal [%s %s]",
 467                 interface_name, (power_on) ? "powerOn" : "powerOff");
 468 }
 469
 470 void wifi_state_emit_power_failed(const char *interface_name)
 471 {
 472         wifi_emit_power_operation_failed((Wifi *)get_wifi_object(), interface_name);
 473
 474         DBG("Successfully sent signal [%s PowerOperationFailed]", interface_name);
 475 }
 476
 477 static void __update_wifi_state(void)
 478 {
 479         int wifi_state = VCONFKEY_WIFI_OFF;
 480         int network_wifi_state = VCONFKEY_NETWORK_WIFI_OFF;
 481         GSList *list = NULL;
 482
 483         for (list = g_device_list; list; list = list->next) {
 484                 wifi_device_data_s *device_data = list->data;
 485                 if (device_data->powered) {
 486                         if (wifi_state < VCONFKEY_WIFI_UNCONNECTED)
 487                                 wifi_state = VCONFKEY_WIFI_UNCONNECTED;
 488                         if (network_wifi_state < VCONFKEY_NETWORK_WIFI_NOT_CONNECTED)
 489                                 network_wifi_state = VCONFKEY_NETWORK_WIFI_NOT_CONNECTED;
 490                 }
 491                 if (device_data->connected) {
 492                         wifi_state = VCONFKEY_WIFI_CONNECTED;
 493                         network_wifi_state = VCONFKEY_NETWORK_WIFI_CONNECTED;
 494                 }
 495         }
 496
 497         netconfig_set_vconf_int(VCONFKEY_WIFI_STATE, wifi_state, TRUE);
 498         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_STATE, network_wifi_state, TRUE);
 499 }
 500
 501 void wifi_state_update_power_state(const char *interface_name, gboolean powered)
 502 {
 503         wifi_tech_state_e tech_state;
 504
 505         /* It's automatically updated by signal-handler
 506          * DO NOT update manually
 507          * It includes Wi-Fi state configuration
 508          */
 509         tech_state = wifi_state_get_technology_state(interface_name);
 510
 511         if (powered == TRUE) {
 512                 if (tech_state < NETCONFIG_WIFI_TECH_POWERED && netconfig_is_wifi_tethering_on() != TRUE) {
 513                         DBG("Wi-Fi turned on or waken up from power-save mode");
 514
 515                         wifi_state_set_powered(interface_name, TRUE);
 516                         wifi_state_set_technology_state(interface_name, NETCONFIG_WIFI_TECH_POWERED);
 517
 518                         wifi_state_emit_power_completed(interface_name, TRUE);
 519                         netconfig_battery_start_wifi();
 520
 521                         netconfig_wifi_device_picker_service_start();
 522
 523                         __update_wifi_state();
 524
 525                         netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_ON);
 526
 527                         netconfig_wifi_bgscan_stop(interface_name);
 528                         netconfig_wifi_bgscan_set_interval(interface_name, SCAN_EXPONENTIAL_MIN);
 529                         netconfig_wifi_bgscan_start(interface_name, TRUE);
 530
 531                         /* Add callback to track change in notification setting */
 532                         _register_network_notification();
 533
 534                         netconfig_setting_update_interface_for_last_powered(interface_name, TRUE);
 535                 }
 536         } else if (tech_state > NETCONFIG_WIFI_TECH_OFF) {
 537                 DBG("Wi-Fi turned off or in power-save mode");
 538
 539                 wifi_state_set_powered(interface_name, FALSE);
 540                 wifi_state_set_technology_state(interface_name, NETCONFIG_WIFI_TECH_WPS_ONLY);
 541
 542                 netconfig_wifi_device_picker_service_stop();
 543
 544                 wifi_power_driver_and_supplicant(interface_name, FALSE);
 545
 546                 wifi_state_emit_power_completed(interface_name, FALSE);
 547                 netconfig_battery_end_wifi();
 548
 549                 __update_wifi_state();
 550
 551                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_OFF);
 552
 553                 netconfig_wifi_bgscan_stop(interface_name);
 554                 netconfig_wifi_scan_set_scanning(interface_name, FALSE);
 555
 556                 _set_bss_found(FALSE);
 557
 558                 /* Inform net-popup to remove the wifi found notification */
 559                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 560                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_PORTAL_NOTI, NULL);
 561                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_IP_CONFLICT_NOTI, NULL);
 562
 563                 _deregister_network_notification();
 564
 565                 netconfig_setting_update_interface_for_last_powered(interface_name, FALSE);
 566         }
 567 }
 568
 569 char *wifi_get_favorite_service(void)
 570 {
 571         return _get_connman_favorite_service();
 572 }
 573
 574 void wifi_start_timer_network_notification(const char *interface_name)
 575 {
 576 #if defined TIZEN_WEARABLE
 577                 /* In case of wearable device, no need to notify available Wi-Fi APs */
 578                 return;
 579 #endif
 580         netconfig_start_timer(NETCONFIG_NETWORK_NOTIFICATION_TIMEOUT,
 581                 _check_network_notification, g_strdup(interface_name), &network_noti_timer_id);
 582 }
 583
 584 void wifi_state_notifier_register(wifi_state_notifier_s *notifier)
 585 {
 586         DBG("register notifier");
 587
 588         g_notifier_list = g_slist_append(g_notifier_list, notifier);
 589 }
 590
 591 void wifi_state_notifier_unregister(wifi_state_notifier_s *notifier)
 592 {
 593         DBG("un-register notifier");
 594
 595         g_notifier_list = g_slist_remove_all(g_notifier_list, notifier);
 596 }
 597
 598 void wifi_state_notifier_cleanup(void)
 599 {
 600         g_slist_free_full(g_notifier_list, NULL);
 601 }
 602
 603 void wifi_state_set_bss_found(gboolean found)
 604 {
 605         _set_bss_found(found);
 606 }
 607
 608 gboolean wifi_state_is_bss_found(void)
 609 {
 610         return new_bss_found;
 611 }
 612
 613 void __copy_device_statistics(wifi_device_data_s *dst_data, GSList *device_list)
 614 {
 615         GSList *list;
 616
 617         for (list = device_list; list; list = list->next) {
 618                 wifi_device_data_s *org_data = list->data;
 619                 if (g_strcmp0(org_data->interface_name, dst_data->interface_name) == 0) {
 620                         dst_data->tx = org_data->tx;
 621                         dst_data->rx = org_data->rx;
 622                         dst_data->tx_diff = org_data->tx_diff;
 623                         dst_data->tx_diff = org_data->tx_diff;
 624                         return;
 625                 }
 626         }
 627 }
 628
 629 gboolean wifi_state_update_device_list(void)
 630 {
 631         GVariant *message = NULL, *variant;
 632         GVariantIter *iter, *next;
 633         GSList *device_list = NULL;
 634         const char *path;
 635         gchar *key;
 636         gboolean updated = FALSE;
 637
 638         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 639                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 640                         "GetTechnologies", NULL);
 641         if (message == NULL) {
 642                 ERR("Failed to get technologies");
 643                 return updated;
 644         }
 645
 646         device_list = g_device_list;
 647         g_device_list = NULL;
 648
 649         g_variant_get(message, "(a(oa{sv}))", &iter);
 650         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 651                 if (path == NULL || g_strcmp0(path, CONNMAN_WIFI_TECHNOLOGY_PREFIX) != 0)
 652                         continue;
 653
 654                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 655                         if (g_strcmp0(key, "Device.List") == 0) {
 656                                 GVariantIter *list_iter;
 657                                 gchar *dev_key;
 658                                 GVariant *dev_var;
 659                                 const gchar *sdata;
 660                                 wifi_device_data_s *device_data = NULL;
 661
 662                                 g_variant_get(variant, "a{sv}", &list_iter);
 663                                 while(g_variant_iter_loop(list_iter, "{sv}", &dev_key, &dev_var)) {
 664                                         if (g_variant_is_of_type(dev_var, G_VARIANT_TYPE_STRING)) {
 665                                                 if (g_strcmp0(dev_key, "Ifname") == 0) {
 666                                                         device_data = g_try_malloc0(sizeof(wifi_device_data_s));
 667                                                         if (!device_data) {
 668                                                                 g_variant_unref(dev_var);
 669                                                                 break;
 670                                                         }
 671
 672                                                         sdata = g_variant_get_string(dev_var, NULL);
 673                                                         device_data->interface_name = g_strdup(sdata);
 674                                                         g_device_list = g_slist_append(g_device_list, device_data);
 675
 676                                                         updated = TRUE;
 677
 678                                                         __copy_device_statistics(device_data, device_list);
 679
 680                                                 } else if (g_strcmp0(dev_key, "MAC.Address") == 0) {
 681                                                         if (device_data) {
 682                                                                 sdata = g_variant_get_string(dev_var, NULL);
 683                                                                 device_data->mac_address = g_strdup(sdata);
 684
 685                                                                 DBG("Ifname[%s] MAC[%s] Powered[%d] Connected[%d]",
 686                                                                         device_data->interface_name, device_data->mac_address,
 687                                                                         device_data->powered, device_data->connected);
 688                                                         }
 689                                                 }
 690                                         } else if (g_variant_is_of_type(dev_var, G_VARIANT_TYPE_BOOLEAN)) {
 691                                                 if (g_strcmp0(dev_key, "Powered") == 0) {
 692                                                         if (device_data) {
 693                                                                 device_data->powered = g_variant_get_boolean(dev_var);
 694                                                                 if (device_data->powered == TRUE)
 695                                                                         device_data->tech_state = NETCONFIG_WIFI_TECH_POWERED;
 696                                                                 else
 697                                                                         device_data->tech_state = NETCONFIG_WIFI_TECH_OFF;
 698                                                         }
 699                                                 } else if (g_strcmp0(dev_key, "Connected") == 0) {
 700                                                         if (device_data) {
 701                                                                 device_data->connected = g_variant_get_boolean(dev_var);
 702                                                                 if (device_data->connected == TRUE)
 703                                                                         device_data->tech_state = NETCONFIG_WIFI_TECH_CONNECTED;
 704                                                         }
 705                                                 }
 706                                         }
 707                                 }
 708
 709                                 g_variant_iter_free(list_iter);
 710                         }
 711                 }
 712         }
 713
 714         g_variant_unref(message);
 715
 716         g_variant_iter_free(iter);
 717
 718         g_slist_free_full(device_list, __device_free_data);
 719
 720         return updated;
 721 }
 722
 723 GSList *wifi_state_get_device_list(void)
 724 {
 725         return g_device_list;
 726 }
 727
 728 static gboolean __state_update_device_list(gpointer data)
 729 {
 730         if (wifi_state_update_device_list() == FALSE) {
 731                 if (network_update_timer_cnt <
 732                         NETCONFIG_UPDATE_DEVICE_LIST_COUNT) {
 733                         network_update_timer_cnt++;
 734                         return TRUE;
 735                 }
 736         }
 737
 738         netconfig_stop_timer(&network_update_timer_id);
 739         return FALSE;
 740 }
 741
 742 void wifi_state_set_service_state(const char *interface_name,
 743                 const char *service, wifi_service_state_e new_state)
 744 {
 745         static gboolean dhcp_stage = FALSE;
 746         wifi_device_data_s *device_data = NULL;
 747         wifi_service_state_e old_state = NETCONFIG_WIFI_UNKNOWN;
 748
 749         device_data = __device_get_data(interface_name);
 750         if (!device_data)
 751                 return;
 752
 753         old_state = device_data->service_state;
 754         if (old_state == new_state)
 755                 return;
 756
 757         device_data->service_state = new_state;
 758         DBG("Wi-Fi service state, old state[%s] ==> new state[%s]",
 759                 _convert_wifi_service_state_to_string(old_state), _convert_wifi_service_state_to_string(new_state));
 760
 761         /* From association, temporarily disable Wi-Fi power saving */
 762         if ((old_state < NETCONFIG_WIFI_ASSOCIATION || old_state == NETCONFIG_WIFI_FAILURE) && new_state == NETCONFIG_WIFI_ASSOCIATION) {
 763                 _set_power_lock(TRUE);
 764                 wifi_set_early_suspend(interface_name, FALSE);
 765                 dhcp_stage = TRUE;
 766         } else if (dhcp_stage == TRUE && new_state != NETCONFIG_WIFI_CONFIGURATION) {
 767                 _set_power_lock(FALSE);
 768                 wifi_set_early_suspend(interface_name, TRUE);
 769                 dhcp_stage = FALSE;
 770         }
 771
 772         if (new_state == NETCONFIG_WIFI_CONNECTED) {
 773                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 774
 775                 __update_wifi_state();
 776
 777                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_CONNECTED);
 778
 779                 __set_wifi_connected_essid();
 780
 781                 netconfig_wifi_indicator_start(interface_name, service);
 782         } else if (old_state == NETCONFIG_WIFI_CONNECTED) {
 783                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_PORTAL_NOTI, NULL);
 784
 785                 __unset_wifi_connected_essid();
 786
 787                 __update_wifi_state();
 788
 789                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_ON);
 790
 791                 netconfig_wifi_indicator_stop(interface_name);
 792
 793                 netconfig_wifi_bgscan_stop(interface_name);
 794                 netconfig_wifi_bgscan_set_interval(interface_name, SCAN_EXPONENTIAL_MIN);
 795                 netconfig_wifi_bgscan_start(interface_name, TRUE);
 796         } else if ((old_state > NETCONFIG_WIFI_IDLE && old_state < NETCONFIG_WIFI_CONNECTED) && new_state == NETCONFIG_WIFI_IDLE) {
 797                 /* in ipv6 case disconnect/association -> association */
 798                 DBG("reset the bg scan period");
 799
 800                 netconfig_wifi_bgscan_stop(interface_name);
 801                 netconfig_wifi_bgscan_start(interface_name, TRUE);
 802         }
 803
 804         _wifi_state_changed(interface_name, new_state);
 805
 806         if (new_state == NETCONFIG_WIFI_CONNECTED)
 807                 _wifi_state_connected_activation();
 808 }
 809
 810 wifi_service_state_e wifi_state_get_service_state(const char *interface_name)
 811 {
 812         wifi_device_data_s *device_data = __device_get_data(interface_name);
 813         if (!device_data)
 814                 return NETCONFIG_WIFI_UNKNOWN;
 815
 816         return device_data->service_state;
 817 }
 818
 819 void wifi_state_set_technology_state(const char *interface_name, wifi_tech_state_e new_state)
 820 {
 821         wifi_device_data_s *device_data = NULL;
 822
 823         device_data = __device_get_data(interface_name);
 824         if (device_data) {
 825                 if (device_data->tech_state == new_state)
 826                         return;
 827
 828                 DBG("Wi-Fi %s technology state, old state[%s] ==> new state[%s]", interface_name,
 829                         _convert_wifi_technology_state_to_string(device_data->tech_state),
 830                         _convert_wifi_technology_state_to_string(new_state));
 831
 832                 device_data->tech_state = new_state;
 833         }
 834 }
 835
 836 wifi_tech_state_e wifi_state_get_technology_state(const char *interface_name)
 837 {
 838         wifi_device_data_s *device_data = NULL;
 839
 840         device_data = __device_get_data(interface_name);
 841         if (device_data) {
 842                 DBG("Wi-Fi %s technology state [%s]", interface_name,
 843                         _convert_wifi_technology_state_to_string(device_data->tech_state));
 844
 845                 return device_data->tech_state;
 846         }
 847
 848         return NETCONFIG_WIFI_TECH_UNKNOWN;
 849 }
 850
 851 void wifi_state_set_powered(const char *interface_name, gboolean powered)
 852 {
 853         wifi_device_data_s *device_data = __device_get_data(interface_name);
 854
 855         if (device_data) {
 856                 device_data->powered = powered;
 857                 DBG("Wi-Fi %s [%s]", interface_name, powered ? "enabled" : "disabled");
 858         }
 859 }
 860
 861 gboolean wifi_state_get_powered(const char *interface_name)
 862 {
 863         wifi_device_data_s *device_data = __device_get_data(interface_name);
 864         if (!device_data)
 865                 return FALSE;
 866
 867         return device_data->powered;
 868 }
 869
 870 void wifi_state_set_connected(const char *interface_name, gboolean connected)
 871 {
 872         wifi_device_data_s *device_data = __device_get_data(interface_name);
 873
 874         if (device_data) {
 875                 device_data->connected = connected;
 876                 DBG("Wi-Fi %s [%s]", interface_name, connected ? "connected" : "disconnected");
 877         }
 878 }
 879
 880 gboolean wifi_state_get_connected(const char *interface_name)
 881 {
 882         wifi_device_data_s *device_data = __device_get_data(interface_name);
 883         if (!device_data)
 884                 return FALSE;
 885
 886         return device_data->connected;
 887 }
 888
 889 gboolean wifi_state_is_existed(const char *interface_name)
 890 {
 891         wifi_device_data_s *device_data = __device_get_data(interface_name);
 892         if (!device_data)
 893                 return FALSE;
 894
 895         return TRUE;
 896 }
 897
 898 const char *wifi_state_get_interface_name(const char *mac_address)
 899 {
 900         wifi_device_data_s *device_data = __device_get_data_by_macaddr(mac_address);
 901         if (!device_data)
 902                 return NULL;
 903
 904         return device_data->interface_name;
 905 }
 906
 907 const char *wifi_state_get_mac_address(const char *interface_name)
 908 {
 909         wifi_device_data_s *device_data = __device_get_data(interface_name);
 910         if (!device_data)
 911                 return NULL;
 912
 913         return device_data->mac_address;
 914 }
 915
 916 void wifi_state_set_connected_essid(void)
 917 {
 918         __set_wifi_connected_essid();
 919 }
 920
 921 void wifi_state_get_connected_essid(gchar **essid)
 922 {
 923         *essid = g_strdup(__get_wifi_connected_essid());
 924 }
 925
 926 void wifi_state_initialize(void)
 927 {
 928         if (wifi_state_update_device_list() == FALSE)
 929                 netconfig_start_timer(NETCONFIG_UPDATE_DEVICE_LIST_TIMEOUT,
 930                         __state_update_device_list, NULL, &network_update_timer_id);
 931 }
 932
 933 void wifi_state_deinitialize(void)
 934 {
 935         g_slist_free_full(g_device_list, __device_free_data);
 936 }