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 "wifi-state.h"
  27 #include "wifi-power.h"
  28 #include "netsupplicant.h"
  29 #include "network-state.h"
  30 #include "wifi-indicator.h"
  31 #include "network-statistics.h"
  32 #include "wifi-background-scan.h"
  33
  34 #define NETCONFIG_NETWORK_NOTIFICATION_TIMEOUT  15 * 1000
  35
  36 static gboolean new_bss_found = FALSE;
  37 static guint network_noti_timer_id = 0;
  38
  39 static wifi_service_state_e g_service_state = NETCONFIG_WIFI_UNKNOWN;
  40 static wifi_tech_state_e g_tech_state = NETCONFIG_WIFI_TECH_UNKNOWN;
  41
  42 static GSList *notifier_list = NULL;
  43
  44 static guint network_connected_popup_timer_id = 0;
  45 static gboolean block_network_connected_popup = FALSE;
  46
  47 char *_convert_wifi_service_state_to_string(wifi_service_state_e wifi_service_state_type)
  48 {
  49         switch (wifi_service_state_type) {
  50         case NETCONFIG_WIFI_UNKNOWN:
  51                 return "unknown";
  52         case NETCONFIG_WIFI_IDLE:
  53                 return "idle";
  54         case NETCONFIG_WIFI_ASSOCIATION:
  55                 return "association";
  56         case NETCONFIG_WIFI_CONFIGURATION:
  57                 return "configuration";
  58         case NETCONFIG_WIFI_CONNECTED:
  59                 return "connected";
  60         case NETCONFIG_WIFI_FAILURE:
  61                 return "failure";
  62         default:
  63                 ERR("Invalid wifi_service_state_e parameter");
  64                 break;
  65         }
  66
  67         return "Invalid parameter";
  68 }
  69
  70 char *_convert_wifi_technology_state_to_string(wifi_tech_state_e wifi_tech_state_type)
  71 {
  72         switch (wifi_tech_state_type) {
  73         case NETCONFIG_WIFI_TECH_UNKNOWN:
  74                 return "unknown";
  75         case NETCONFIG_WIFI_TECH_OFF:
  76                 return "off";
  77         case NETCONFIG_WIFI_TECH_WPS_ONLY:
  78                 return "wps only";
  79         case NETCONFIG_WIFI_TECH_POWERED:
  80                 return "powered";
  81         case NETCONFIG_WIFI_TECH_CONNECTED:
  82                 return "connected";
  83         case NETCONFIG_WIFI_TECH_TETHERED:
  84                 return "tethered";
  85         default:
  86                 ERR("Invalid wifi_tech_state_e parameter");
  87                 break;
  88         }
  89
  90         return "Invalid parameter";
  91 }
  92
  93 static gboolean _block_network_connection_popup(gpointer data)
  94 {
  95         block_network_connected_popup = FALSE;
  96         netconfig_stop_timer(&network_connected_popup_timer_id);
  97         return FALSE;
  98 }
  99
 100 static void __set_wifi_connected_essid(void)
 101 {
 102         const char *essid_name = NULL;
 103         const char *wifi_profile = netconfig_get_default_profile();
 104
 105         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED)
 106                 return;
 107
 108         if (wifi_profile == NULL ||
 109                         netconfig_is_wifi_profile(wifi_profile) != TRUE) {
 110                 ERR("Can't get Wi-Fi profile");
 111                 return;
 112         }
 113
 114         essid_name = netconfig_wifi_get_connected_essid(wifi_profile);
 115         if (essid_name == NULL) {
 116                 ERR("Can't get Wi-Fi name");
 117                 return;
 118         }
 119
 120         netconfig_set_vconf_str(VCONFKEY_WIFI_CONNECTED_AP_NAME, essid_name);
 121
 122         /* Block Network Connected popup for 3sec
 123          * to avoid multiple popup's due to ready signals */
 124         if (block_network_connected_popup == FALSE) {
 125                 block_network_connected_popup = TRUE;
 126                 netconfig_start_timer(3000, _block_network_connection_popup,
 127                                 NULL, &network_connected_popup_timer_id);
 128                 __netconfig_pop_wifi_connected_poppup(essid_name);
 129         }
 130 }
 131
 132 static void __unset_wifi_connected_essid(void)
 133 {
 134         netconfig_set_vconf_str(VCONFKEY_WIFI_CONNECTED_AP_NAME, "");
 135 }
 136
 137 static const char *__get_wifi_connected_essid(void)
 138 {
 139         const char *essid_name = NULL;
 140         const char *wifi_profile = NULL;
 141
 142         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED)
 143                 return NULL;
 144
 145         wifi_profile = netconfig_get_default_profile();
 146
 147         if (wifi_profile == NULL || netconfig_is_wifi_profile(wifi_profile) != TRUE) {
 148                 ERR("Can't get Wi-Fi profile");
 149                 return NULL;
 150         }
 151
 152         essid_name = netconfig_wifi_get_connected_essid(wifi_profile);
 153         if (essid_name == NULL) {
 154                 ERR("Can't get Wi-Fi name");
 155                 return NULL;
 156         }
 157
 158         return essid_name;
 159 }
 160
 161 static gboolean __is_wifi_profile_available(void)
 162 {
 163         GVariant *message = NULL;
 164         GVariantIter *iter, *next;
 165         gchar *obj;
 166
 167         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 168                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 169                         "GetServices", NULL);
 170         if (message == NULL) {
 171                 ERR("Failed to get service list");
 172                 return FALSE;
 173         }
 174
 175         g_variant_get(message, "(a(oa{sv}))", &iter);
 176         while (g_variant_iter_loop(iter, "(oa{sv})", &obj, &next)) {
 177                 if (obj == NULL || netconfig_is_wifi_profile((const gchar*)obj) == FALSE)
 178                         continue;
 179
 180                 g_variant_iter_free(next);
 181                 g_free(obj);
 182                 break;
 183         }
 184
 185         g_variant_unref(message);
 186
 187         g_variant_iter_free(iter);
 188
 189         return TRUE;
 190 }
 191
 192 static gboolean __is_favorited(GVariantIter *array)
 193 {
 194         gboolean is_favorite = FALSE;
 195         gchar *key;
 196         GVariant *var;
 197
 198         while (g_variant_iter_loop(array, "{sv}", &key, &var)) {
 199                 gboolean value;
 200
 201                 if (g_str_equal(key, "Favorite") != TRUE)
 202                         continue;
 203
 204                 value = g_variant_get_boolean(var);
 205                 if (value)
 206                         is_favorite = TRUE;
 207                 g_free(key);
 208                 g_variant_unref(var);
 209                 break;
 210         }
 211
 212         return is_favorite;
 213 }
 214
 215 static void _wifi_state_connected_activation(void)
 216 {
 217         /* Add activation of services when Wi-Fi is connected */
 218 }
 219
 220 static void _wifi_state_changed(wifi_service_state_e state)
 221 {
 222         GSList *list;
 223
 224         for (list = notifier_list; list; list = list->next) {
 225                 wifi_state_notifier *notifier = list->data;
 226
 227                 if (notifier->wifi_state_changed != NULL)
 228                         notifier->wifi_state_changed(state, notifier->user_data);
 229         }
 230 }
 231
 232 static void _set_bss_found(gboolean found)
 233 {
 234         if (found != new_bss_found)
 235                 new_bss_found = found;
 236 }
 237
 238 static gboolean _check_network_notification(gpointer data)
 239 {
 240         int qs_enable = 0, ug_state = 0;
 241         static gboolean check_again = FALSE;
 242
 243         wifi_tech_state_e tech_state;
 244         wifi_service_state_e service_state;
 245
 246         tech_state = wifi_state_get_technology_state();
 247         if (tech_state < NETCONFIG_WIFI_TECH_POWERED) {
 248                 DBG("Wi-Fi off or WPS only supported[%d]", tech_state);
 249                 goto cleanup;
 250         }
 251
 252         service_state = wifi_state_get_service_state();
 253         if (service_state == NETCONFIG_WIFI_CONNECTED) {
 254                 DBG("Service state is connected");
 255                 goto cleanup;
 256         } else if (service_state == NETCONFIG_WIFI_ASSOCIATION ||
 257                 service_state == NETCONFIG_WIFI_CONFIGURATION) {
 258                 DBG("Service state is connecting (check again : %d)", check_again);
 259                 if (!check_again) {
 260                         check_again = TRUE;
 261                         return TRUE;
 262                 } else
 263                         check_again = FALSE;
 264         }
 265
 266         if (__is_wifi_profile_available() == FALSE) {
 267                 netconfig_send_notification_to_net_popup(
 268                 NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 269                 goto cleanup;
 270         }
 271
 272         netconfig_vconf_get_int(VCONFKEY_WIFI_ENABLE_QS, &qs_enable);
 273         if (qs_enable != VCONFKEY_WIFI_QS_ENABLE) {
 274                 DBG("qs_enable != VCONFKEY_WIFI_QS_ENABLE");
 275                 goto cleanup;
 276         }
 277
 278         netconfig_vconf_get_int(VCONFKEY_WIFI_UG_RUN_STATE, &ug_state);
 279         if (ug_state == VCONFKEY_WIFI_UG_RUN_STATE_ON_FOREGROUND)
 280                 goto cleanup;
 281
 282         netconfig_send_notification_to_net_popup(NETCONFIG_ADD_FOUND_AP_NOTI, NULL);
 283
 284         _set_bss_found(FALSE);
 285
 286 cleanup:
 287         netconfig_stop_timer(&network_noti_timer_id);
 288         return FALSE;
 289 }
 290
 291 static char *_get_connman_favorite_service(void)
 292 {
 293         char *favorite_service = NULL;
 294         GVariant *message = NULL;
 295         gchar *obj;
 296         GVariantIter *iter, *next;
 297
 298         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 299                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 300                         "GetServices", NULL);
 301         if (message == NULL) {
 302                 ERR("Failed to get service list");
 303                 return NULL;
 304         }
 305
 306         g_variant_get(message, "(a(oa{sv}))", &iter);
 307         while (g_variant_iter_loop(iter, "(oa{sv})", &obj, &next)) {
 308                 if (obj == NULL || netconfig_is_wifi_profile(obj) == FALSE)
 309                         continue;
 310
 311                 if (__is_favorited(next) == TRUE) {
 312                         favorite_service = g_strdup(obj);
 313                         g_free(obj);
 314                         g_variant_iter_free(next);
 315                         break;
 316                 }
 317         }
 318
 319         g_variant_iter_free(iter);
 320         g_variant_unref(message);
 321
 322         return favorite_service;
 323 }
 324
 325 static void __notification_value_changed_cb(keynode_t *node, void *user_data)
 326 {
 327         int value = -1;
 328
 329         if (netconfig_vconf_get_int(VCONFKEY_WIFI_ENABLE_QS, &value) < 0)
 330                 return;
 331
 332         if (value == VCONFKEY_WIFI_QS_DISABLE)
 333                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 334 }
 335
 336 static void _register_network_notification(void)
 337 {
 338 #if defined TIZEN_WEARABLE
 339         return;
 340 #endif
 341         vconf_notify_key_changed(VCONFKEY_WIFI_ENABLE_QS, __notification_value_changed_cb, NULL);
 342 }
 343
 344 static void _deregister_network_notification(void)
 345 {
 346 #if defined TIZEN_WEARABLE
 347                 return;
 348 #endif
 349         vconf_ignore_key_changed(VCONFKEY_WIFI_ENABLE_QS, __notification_value_changed_cb);
 350 }
 351
 352 static void _set_power_lock(gboolean power_lock)
 353 {
 354         gint32 ret = 0;
 355         GVariant *reply;
 356         GVariant *params;
 357         char state[] = "lcdoff";
 358         char flag[] = "staycurstate";
 359         char standby[] = "NULL";
 360         int timeout = 0;
 361         char sleepmargin[] = "sleepmargin";
 362
 363         const char *lockstate = "lockstate";
 364         const char *unlockstate = "unlockstate";
 365         static gboolean old_state = FALSE;
 366         const char *lock_method;
 367
 368         if (old_state == power_lock)
 369                 return;
 370
 371         if (power_lock == TRUE) {
 372                 /* deviced power lock enable */
 373                 params = g_variant_new("(sssi)", state, flag, standby, timeout);
 374
 375                 lock_method = lockstate;
 376         } else {
 377                 /* deviced power lock disable */
 378                 params = g_variant_new("(ss)", state, sleepmargin);
 379
 380                 lock_method = unlockstate;
 381         }
 382
 383         reply = netconfig_invoke_dbus_method(
 384                         "org.tizen.system.deviced",
 385                         "/Org/Tizen/System/DeviceD/Display",
 386                         "org.tizen.system.deviced.display",
 387                         lock_method,
 388                         params);
 389         if (reply == NULL) {
 390                 ERR("Failed to set_power_lock");
 391                 return;
 392         }
 393
 394         if (g_variant_is_of_type(reply, G_VARIANT_TYPE_INT32)) {
 395                 ret = g_variant_get_int32(reply);
 396                 if (ret < 0)
 397                         ERR("Failed to set power lock %s with ret %d",
 398                                 power_lock == TRUE ? "enable" : "disable", ret);
 399                 else
 400                         old_state = power_lock;
 401         }
 402
 403         g_variant_unref(reply);
 404
 405         return;
 406 }
 407
 408 void wifi_state_emit_power_completed(gboolean power_on)
 409 {
 410         if (power_on)
 411                 wifi_emit_power_on_completed((Wifi *)get_wifi_object());
 412         else
 413                 wifi_emit_power_off_completed((Wifi *)get_wifi_object());
 414
 415         DBG("Successfully sent signal [%s]", (power_on) ? "powerOn" : "powerOff");
 416 }
 417
 418 void wifi_state_emit_power_failed(void)
 419 {
 420         wifi_emit_power_operation_failed((Wifi *)get_wifi_object());
 421
 422         DBG("Successfully sent signal [PowerOperationFailed]");
 423 }
 424
 425 void wifi_state_update_power_state(gboolean powered)
 426 {
 427         wifi_tech_state_e tech_state;
 428
 429         /* It's automatically updated by signal-handler
 430          * DO NOT update manually
 431          * It includes Wi-Fi state configuration
 432          */
 433         tech_state = wifi_state_get_technology_state();
 434
 435         if (powered == TRUE) {
 436                 if (tech_state < NETCONFIG_WIFI_TECH_POWERED && netconfig_is_wifi_tethering_on() != TRUE) {
 437                         DBG("Wi-Fi turned on or waken up from power-save mode");
 438
 439                         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_POWERED);
 440
 441                         wifi_state_emit_power_completed(TRUE);
 442
 443                         netconfig_wifi_device_picker_service_start();
 444
 445                         netconfig_set_vconf_int(VCONF_WIFI_LAST_POWER_STATE, VCONFKEY_WIFI_UNCONNECTED);
 446                         netconfig_set_vconf_int(VCONFKEY_WIFI_STATE, VCONFKEY_WIFI_UNCONNECTED);
 447                         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_STATE, VCONFKEY_NETWORK_WIFI_NOT_CONNECTED);
 448
 449                         netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_ON);
 450
 451                         netconfig_wifi_bgscan_stop();
 452                         netconfig_wifi_bgscan_set_interval(SCAN_EXPONENTIAL_MIN);
 453                         netconfig_wifi_bgscan_start(TRUE);
 454
 455                         /* Add callback to track change in notification setting */
 456                         _register_network_notification();
 457                 }
 458         } else if (tech_state > NETCONFIG_WIFI_TECH_OFF) {
 459                 DBG("Wi-Fi turned off or in power-save mode");
 460
 461                 wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 462
 463                 netconfig_wifi_device_picker_service_stop();
 464
 465                 wifi_power_disable_technology_state_by_only_connman_signal();
 466                 wifi_power_driver_and_supplicant(FALSE);
 467
 468                 wifi_state_emit_power_completed(FALSE);
 469
 470                 netconfig_set_vconf_int(VCONF_WIFI_LAST_POWER_STATE, VCONFKEY_WIFI_OFF);
 471                 netconfig_set_vconf_int(VCONFKEY_WIFI_STATE, VCONFKEY_WIFI_OFF);
 472                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_STATE, VCONFKEY_NETWORK_WIFI_OFF);
 473
 474                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_OFF);
 475
 476                 netconfig_wifi_bgscan_stop();
 477
 478                 _set_bss_found(FALSE);
 479
 480                 /* Inform net-popup to remove the wifi found notification */
 481                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 482                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_PORTAL_NOTI, NULL);
 483                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_IP_CONFLICT_NOTI, NULL);
 484
 485                 _deregister_network_notification();
 486         }
 487 }
 488
 489 char *wifi_get_favorite_service(void)
 490 {
 491         return _get_connman_favorite_service();
 492 }
 493
 494 void wifi_start_timer_network_notification(void)
 495 {
 496 #if defined TIZEN_WEARABLE
 497                 /* In case of wearable device, no need to notify available Wi-Fi APs */
 498                 return ;
 499 #endif
 500         netconfig_start_timer(NETCONFIG_NETWORK_NOTIFICATION_TIMEOUT, _check_network_notification, NULL, &network_noti_timer_id);
 501 }
 502
 503 void wifi_state_notifier_register(wifi_state_notifier *notifier)
 504 {
 505         DBG("register notifier");
 506
 507         notifier_list = g_slist_append(notifier_list, notifier);
 508 }
 509
 510 void wifi_state_notifier_unregister(wifi_state_notifier *notifier)
 511 {
 512         DBG("un-register notifier");
 513
 514         notifier_list = g_slist_remove_all(notifier_list, notifier);
 515 }
 516
 517 void wifi_state_notifier_cleanup(void)
 518 {
 519         g_slist_free_full(notifier_list, NULL);
 520 }
 521
 522 void wifi_state_set_bss_found(gboolean found)
 523 {
 524         _set_bss_found(found);
 525 }
 526
 527 gboolean wifi_state_is_bss_found(void)
 528 {
 529         return new_bss_found;
 530 }
 531
 532 void wifi_state_set_service_state(wifi_service_state_e new_state)
 533 {
 534         static gboolean dhcp_stage = FALSE;
 535         wifi_service_state_e old_state = g_service_state;
 536
 537         if (old_state == new_state)
 538                 return;
 539
 540         g_service_state = new_state;
 541         DBG("Wi-Fi service state, old state[%s] ==> new state[%s]",
 542                 _convert_wifi_service_state_to_string(old_state), _convert_wifi_service_state_to_string(new_state));
 543
 544         /* From association, temporarily disable Wi-Fi power saving */
 545         if ((old_state < NETCONFIG_WIFI_ASSOCIATION || old_state == NETCONFIG_WIFI_FAILURE) && new_state == NETCONFIG_WIFI_ASSOCIATION) {
 546                 _set_power_lock(TRUE);
 547                 wifi_set_early_suspend(FALSE);
 548                 dhcp_stage = TRUE;
 549         } else if (dhcp_stage == TRUE && new_state != NETCONFIG_WIFI_CONFIGURATION) {
 550                 _set_power_lock(FALSE);
 551                 wifi_set_early_suspend(TRUE);
 552                 dhcp_stage = FALSE;
 553         }
 554
 555         if (new_state == NETCONFIG_WIFI_CONNECTED) {
 556                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_FOUND_AP_NOTI, NULL);
 557
 558                 netconfig_set_vconf_int(VCONFKEY_WIFI_STATE, VCONFKEY_WIFI_CONNECTED);
 559                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_STATE, VCONFKEY_NETWORK_WIFI_CONNECTED);
 560
 561                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_CONNECTED);
 562
 563                 __set_wifi_connected_essid();
 564
 565                 netconfig_wifi_indicator_start();
 566         } else if (old_state == NETCONFIG_WIFI_CONNECTED) {
 567                 netconfig_send_notification_to_net_popup(NETCONFIG_DEL_PORTAL_NOTI, NULL);
 568
 569                 __unset_wifi_connected_essid();
 570
 571                 netconfig_set_vconf_int (VCONFKEY_WIFI_STATE, VCONFKEY_WIFI_UNCONNECTED);
 572                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_STATE, VCONFKEY_NETWORK_WIFI_NOT_CONNECTED);
 573
 574                 netconfig_set_system_event(SYS_EVT_WIFI_STATE, EKEY_WIFI_STATE, EVAL_WIFI_ON);
 575
 576                 netconfig_wifi_indicator_stop();
 577
 578                 netconfig_wifi_bgscan_stop();
 579                 netconfig_wifi_bgscan_set_interval(SCAN_EXPONENTIAL_MIN);
 580                 netconfig_wifi_bgscan_start(TRUE);
 581         } else if ((old_state > NETCONFIG_WIFI_IDLE && old_state < NETCONFIG_WIFI_CONNECTED) && new_state == NETCONFIG_WIFI_IDLE) {
 582                 /* in ipv6 case disconnect/association -> association */
 583                 DBG("reset the bg scan period");
 584
 585                 netconfig_wifi_bgscan_stop();
 586                 netconfig_wifi_bgscan_start(TRUE);
 587         }
 588
 589         _wifi_state_changed(new_state);
 590
 591         if (new_state == NETCONFIG_WIFI_CONNECTED)
 592                 _wifi_state_connected_activation();
 593 }
 594
 595 wifi_service_state_e wifi_state_get_service_state(void)
 596 {
 597         return g_service_state;
 598 }
 599
 600 void wifi_state_set_tech_state(wifi_tech_state_e new_state)
 601 {
 602         wifi_tech_state_e old_state = g_tech_state;
 603
 604         if (old_state == new_state)
 605                 return;
 606
 607         g_tech_state = new_state;
 608
 609         DBG("Wi-Fi technology state, old state[%s] ==> new state[%s]",
 610                 _convert_wifi_technology_state_to_string(old_state), _convert_wifi_technology_state_to_string(new_state));
 611 }
 612
 613 wifi_tech_state_e wifi_state_get_technology_state(void)
 614 {
 615         GVariant *message = NULL, *variant;
 616         GVariantIter *iter, *next;
 617         wifi_tech_state_e ret = NETCONFIG_WIFI_TECH_OFF;
 618         gboolean wifi_tech_powered = FALSE;
 619         gboolean wifi_tech_connected = FALSE;
 620         const char *path;
 621         gchar *key;
 622
 623         if (g_tech_state > NETCONFIG_WIFI_TECH_UNKNOWN)
 624                 return g_tech_state;
 625
 626         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 627                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 628                         "GetTechnologies", NULL);
 629         if (message == NULL) {
 630                 ERR("Failed to get_technology_state");
 631                 return NETCONFIG_WIFI_TECH_UNKNOWN;
 632         }
 633
 634         g_variant_get(message, "(a(oa{sv}))", &iter);
 635         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 636                 if (path == NULL || g_strcmp0(path, CONNMAN_WIFI_TECHNOLOGY_PREFIX) != 0)
 637                         continue;
 638
 639                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 640                         const gchar *sdata = NULL;
 641                         gboolean data;
 642
 643                         if (g_variant_is_of_type(variant, G_VARIANT_TYPE_BOOLEAN)) {
 644                                 data = g_variant_get_boolean(variant);
 645                                 DBG("key-[%s] - %s", key, data ? "True" : "False");
 646
 647                                 if (strcmp(key, "Powered") == 0 && data)
 648                                         wifi_tech_powered = TRUE;
 649                                 else if (strcmp(key, "Connected") == 0 && data)
 650                                         wifi_tech_connected = TRUE;
 651                                 /* For further use
 652                                 else if (strcmp(key, "Tethering") == 0 && data) {
 653                                 } */
 654                         } else if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 655                                 sdata = g_variant_get_string(variant, NULL);
 656                                 DBG("%s", sdata);
 657                         }
 658                 }
 659         }
 660
 661         g_variant_unref(message);
 662
 663         g_variant_iter_free(iter);
 664
 665         if (wifi_tech_powered == TRUE)
 666                 ret = NETCONFIG_WIFI_TECH_POWERED;
 667
 668         if (wifi_tech_connected == TRUE)
 669                 ret = NETCONFIG_WIFI_TECH_CONNECTED;
 670
 671         g_tech_state = ret;
 672
 673         return g_tech_state;
 674 }
 675
 676 gboolean wifi_state_is_technology_available(void)
 677 {
 678         GVariant *message = NULL;
 679         GVariantIter *iter, *next;
 680         const char *path;
 681         gboolean ret = FALSE;
 682
 683         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 684                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 685                         "GetTechnologies", NULL);
 686         if (message == NULL) {
 687                 ERR("Failed to get_technology_state");
 688                 return FALSE;
 689         }
 690
 691         g_variant_get(message, "(a(oa{sv}))", &iter);
 692         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 693                 if (path != NULL && g_strcmp0(path, CONNMAN_WIFI_TECHNOLOGY_PREFIX) == 0)
 694                         ret = TRUE;
 695         }
 696
 697         g_variant_unref(message);
 698         g_variant_iter_free(iter);
 699
 700         DBG("Wi-Fi technology is %s", ret ? "available" : "unavailable");
 701         return ret;
 702 }
 703
 704 void wifi_state_set_connected_essid(void)
 705 {
 706         __set_wifi_connected_essid();
 707 }
 708
 709 void wifi_state_get_connected_essid(gchar **essid)
 710 {
 711         *essid = g_strdup(__get_wifi_connected_essid());
 712 }
 713
 714 /*      wifi_connection_state_e in CAPI
 715  *
 716  *      WIFI_CONNECTION_STATE_FAILURE           = -1
 717  *      WIFI_CONNECTION_STATE_DISCONNECTED      = 0
 718  *      WIFI_CONNECTION_STATE_ASSOCIATION       = 1
 719  *      WIFI_CONNECTION_STATE_CONFIGURATION     = 2
 720  *      WIFI_CONNECTION_STATE_CONNECTED         = 3
 721  */
 722 /*      connection_wifi_state_e in CAPI
 723  *
 724  *      CONNECTION_WIFI_STATE_DEACTIVATED       = 0
 725  *      CONNECTION_WIFI_STATE_DISCONNECTED      = 1
 726  *      CONNECTION_WIFI_STATE_CONNECTED         = 2
 727  */
 728 gboolean handle_get_wifi_state(Wifi *wifi, GDBusMethodInvocation *context)
 729 {
 730         g_return_val_if_fail(wifi != NULL, TRUE);
 731         GVariant *param = NULL;
 732         wifi_tech_state_e tech_state = NETCONFIG_WIFI_TECH_UNKNOWN;
 733         wifi_service_state_e service_state = NETCONFIG_WIFI_UNKNOWN;
 734         tech_state = wifi_state_get_technology_state();
 735         service_state = wifi_state_get_service_state();
 736
 737         if (tech_state == NETCONFIG_WIFI_TECH_UNKNOWN)
 738                 param = g_variant_new("(s)", "unknown");
 739         else if (tech_state == NETCONFIG_WIFI_TECH_OFF ||
 740                 tech_state == NETCONFIG_WIFI_TECH_WPS_ONLY)
 741                 param = g_variant_new("(s)", "deactivated");
 742         else if (tech_state == NETCONFIG_WIFI_TECH_CONNECTED)
 743                 param = g_variant_new("(s)", "connected");
 744         else {
 745                 switch (service_state) {
 746                 case NETCONFIG_WIFI_FAILURE:
 747                         param = g_variant_new("(s)", "failure");
 748                         break;
 749                 case NETCONFIG_WIFI_ASSOCIATION:
 750                         param = g_variant_new("(s)", "association");
 751                         break;
 752                 case NETCONFIG_WIFI_CONFIGURATION:
 753                         param = g_variant_new("(s)", "configuration");
 754                         break;
 755                 case NETCONFIG_WIFI_CONNECTED:
 756                         param = g_variant_new("(s)", "connected");
 757                         break;
 758                 case NETCONFIG_WIFI_UNKNOWN:
 759                 case NETCONFIG_WIFI_IDLE:
 760                 default:
 761                         param = g_variant_new("(s)", "disconnected");
 762                 }
 763         }
 764
 765         g_dbus_method_invocation_return_value(context, param);
 766
 767         return TRUE;
 768 }