src/device.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 <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t offlinemode;
  40         connman_bool_t blocked;
  41         connman_bool_t powered;
  42         connman_bool_t powered_pending;
  43         connman_bool_t powered_persistent;
  44         connman_bool_t scanning;
  45         connman_bool_t disconnected;
  46         connman_bool_t reconnect;
  47         connman_uint16_t scan_interval;
  48         char *name;
  49         char *node;
  50         char *address;
  51         char *interface;
  52         char *control;
  53         char *ident;
  54         int phyindex;
  55         unsigned int connections;
  56         guint scan_timeout;
  57
  58         struct connman_device_driver *driver;
  59         void *driver_data;
  60
  61         connman_bool_t registered;
  62
  63         char *last_network;
  64         struct connman_network *network;
  65         GHashTable *networks;
  66
  67         DBusMessage *pending;
  68         guint timeout;
  69 };
  70
  71 static gboolean device_scan_trigger(gpointer user_data)
  72 {
  73         struct connman_device *device = user_data;
  74
  75         DBG("device %p", device);
  76
  77         if (device->driver == NULL) {
  78                 device->scan_timeout = 0;
  79                 return FALSE;
  80         }
  81
  82         if (device->driver->scan)
  83                 device->driver->scan(device);
  84
  85         return TRUE;
  86 }
  87
  88 static void clear_scan_trigger(struct connman_device *device)
  89 {
  90         if (device->scan_timeout > 0) {
  91                 g_source_remove(device->scan_timeout);
  92                 device->scan_timeout = 0;
  93         }
  94 }
  95
  96 static void reset_scan_trigger(struct connman_device *device)
  97 {
  98         clear_scan_trigger(device);
  99
 100         if (device->scan_interval > 0) {
 101                 guint interval = device->scan_interval;
 102                 device->scan_timeout = g_timeout_add_seconds(interval,
 103                                         device_scan_trigger, device);
 104         }
 105 }
 106
 107 static void force_scan_trigger(struct connman_device *device)
 108 {
 109         clear_scan_trigger(device);
 110
 111         device->scan_timeout = g_timeout_add_seconds(5,
 112                                         device_scan_trigger, device);
 113 }
 114
 115 void connman_device_schedule_scan(struct connman_device *device)
 116 {
 117         reset_scan_trigger(device);
 118 }
 119
 120 static const char *type2description(enum connman_device_type type)
 121 {
 122         switch (type) {
 123         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 124         case CONNMAN_DEVICE_TYPE_VENDOR:
 125                 break;
 126         case CONNMAN_DEVICE_TYPE_ETHERNET:
 127                 return "Ethernet";
 128         case CONNMAN_DEVICE_TYPE_WIFI:
 129                 return "Wireless";
 130         case CONNMAN_DEVICE_TYPE_WIMAX:
 131                 return "WiMAX";
 132         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 133                 return "Bluetooth";
 134         case CONNMAN_DEVICE_TYPE_GPS:
 135                 return "GPS";
 136         case CONNMAN_DEVICE_TYPE_CELLULAR:
 137         case CONNMAN_DEVICE_TYPE_MBM:
 138         case CONNMAN_DEVICE_TYPE_HSO:
 139                 return "Cellular";
 140         }
 141
 142         return NULL;
 143 }
 144
 145 static const char *type2string(enum connman_device_type type)
 146 {
 147         switch (type) {
 148         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 149         case CONNMAN_DEVICE_TYPE_VENDOR:
 150                 break;
 151         case CONNMAN_DEVICE_TYPE_ETHERNET:
 152                 return "ethernet";
 153         case CONNMAN_DEVICE_TYPE_WIFI:
 154                 return "wifi";
 155         case CONNMAN_DEVICE_TYPE_WIMAX:
 156                 return "wimax";
 157         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 158                 return "bluetooth";
 159         case CONNMAN_DEVICE_TYPE_GPS:
 160                 return "gps";
 161         case CONNMAN_DEVICE_TYPE_CELLULAR:
 162         case CONNMAN_DEVICE_TYPE_MBM:
 163         case CONNMAN_DEVICE_TYPE_HSO:
 164                 return "cellular";
 165         }
 166
 167         return NULL;
 168 }
 169
 170 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 171 {
 172         enum connman_device_type type = connman_device_get_type(device);
 173
 174         switch (type) {
 175         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 176         case CONNMAN_DEVICE_TYPE_VENDOR:
 177         case CONNMAN_DEVICE_TYPE_GPS:
 178                 break;
 179         case CONNMAN_DEVICE_TYPE_ETHERNET:
 180                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 181         case CONNMAN_DEVICE_TYPE_WIFI:
 182                 return CONNMAN_SERVICE_TYPE_WIFI;
 183         case CONNMAN_DEVICE_TYPE_WIMAX:
 184                 return CONNMAN_SERVICE_TYPE_WIMAX;
 185         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 186                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 187         case CONNMAN_DEVICE_TYPE_CELLULAR:
 188         case CONNMAN_DEVICE_TYPE_MBM:
 189         case CONNMAN_DEVICE_TYPE_HSO:
 190                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 191         }
 192
 193         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 194 }
 195
 196 static int powered_changed(struct connman_device *device)
 197 {
 198         DBusMessage *signal;
 199         DBusMessageIter iter;
 200
 201         signal = dbus_message_new_signal(device->element.path,
 202                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 203         if (signal == NULL)
 204                 return -ENOMEM;
 205
 206         dbus_message_iter_init_append(signal, &iter);
 207         connman_dbus_property_append_variant(&iter, "Powered",
 208                                         DBUS_TYPE_BOOLEAN, &device->powered);
 209
 210         g_dbus_send_message(connection, signal);
 211
 212         return 0;
 213 }
 214
 215 static int set_powered(struct connman_device *device, connman_bool_t powered)
 216 {
 217         struct connman_device_driver *driver = device->driver;
 218         enum connman_service_type type;
 219         int err;
 220
 221         DBG("device %p powered %d", device, powered);
 222
 223         if (device->powered_pending == powered)
 224                 return -EALREADY;
 225
 226         if (!driver)
 227                 return -EINVAL;
 228
 229         type = __connman_device_get_service_type(device);
 230
 231         if (powered == TRUE) {
 232                 if (driver->enable) {
 233                         device->powered_pending = powered;
 234
 235                         err = driver->enable(device);
 236                         if (err == 0)
 237                                 __connman_notifier_enable(type);
 238                 } else
 239                         err = -EINVAL;
 240         } else {
 241                 device->powered_pending = powered;
 242
 243                 device->reconnect = FALSE;
 244
 245                 clear_scan_trigger(device);
 246
 247                 g_hash_table_remove_all(device->networks);
 248
 249                 if (driver->disable) {
 250                         err = driver->disable(device);
 251                         if (err == 0)
 252                                 __connman_notifier_disable(type);
 253                 } else
 254                         err = -EINVAL;
 255         }
 256
 257         if (err == 0) {
 258                 device->powered = powered;
 259
 260                 if (device->registered == TRUE)
 261                         powered_changed(device);
 262         }
 263
 264         return err;
 265 }
 266
 267 void __connman_device_list(DBusMessageIter *iter)
 268 {
 269         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, iter);
 270 }
 271
 272 static void append_path(gpointer key, gpointer value, gpointer user_data)
 273 {
 274         struct connman_element *element = value;
 275         DBusMessageIter *iter = user_data;
 276
 277         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 278                                                         &element->path);
 279 }
 280
 281 static void append_networks(struct connman_device *device,
 282                                                 DBusMessageIter *entry)
 283 {
 284         DBusMessageIter value, iter;
 285         const char *key = "Networks";
 286
 287         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 288
 289         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 290                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 291                                                                 &value);
 292
 293         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 294                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 295         g_hash_table_foreach(device->networks, append_path, &iter);
 296         dbus_message_iter_close_container(&value, &iter);
 297
 298         dbus_message_iter_close_container(entry, &value);
 299 }
 300
 301 static DBusMessage *get_properties(DBusConnection *conn,
 302                                         DBusMessage *msg, void *data)
 303 {
 304         struct connman_device *device = data;
 305         DBusMessage *reply;
 306         DBusMessageIter array, dict, entry;
 307         const char *str;
 308
 309         DBG("conn %p", conn);
 310
 311         if (__connman_security_check_privilege(msg,
 312                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 313                 return __connman_error_permission_denied(msg);
 314
 315         reply = dbus_message_new_method_return(msg);
 316         if (reply == NULL)
 317                 return NULL;
 318
 319         dbus_message_iter_init_append(reply, &array);
 320
 321         connman_dbus_dict_open(&array, &dict);
 322
 323         if (device->name != NULL)
 324                 connman_dbus_dict_append_variant(&dict, "Name",
 325                                         DBUS_TYPE_STRING, &device->name);
 326
 327         str = type2string(device->type);
 328         if (str != NULL)
 329                 connman_dbus_dict_append_variant(&dict, "Type",
 330                                                 DBUS_TYPE_STRING, &str);
 331
 332         if (device->address != NULL)
 333                 connman_dbus_dict_append_variant(&dict, "Address",
 334                                         DBUS_TYPE_STRING, &device->address);
 335
 336         if (device->interface != NULL)
 337                 connman_dbus_dict_append_variant(&dict, "Interface",
 338                                         DBUS_TYPE_STRING, &device->interface);
 339
 340         connman_dbus_dict_append_variant(&dict, "Powered",
 341                                         DBUS_TYPE_BOOLEAN, &device->powered);
 342
 343         if (device->driver && device->driver->scan)
 344                 connman_dbus_dict_append_variant(&dict, "Scanning",
 345                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 346
 347         switch (device->mode) {
 348         case CONNMAN_DEVICE_MODE_UNKNOWN:
 349                 break;
 350         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 351         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 352                 if (device->scan_interval > 0)
 353                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 354                                 DBUS_TYPE_UINT16, &device->scan_interval);
 355
 356                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 357                                                                 NULL, &entry);
 358                 append_networks(device, &entry);
 359                 dbus_message_iter_close_container(&dict, &entry);
 360                 break;
 361         }
 362
 363         connman_dbus_dict_close(&array, &dict);
 364
 365         return reply;
 366 }
 367
 368 static gboolean powered_timeout(gpointer user_data)
 369 {
 370         struct connman_device *device = user_data;
 371
 372         DBG("device %p", device);
 373
 374         device->timeout = 0;
 375
 376         if (device->pending != NULL) {
 377                 DBusMessage *reply;
 378
 379                 reply = __connman_error_operation_timeout(device->pending);
 380                 if (reply != NULL)
 381                         g_dbus_send_message(connection, reply);
 382
 383                 dbus_message_unref(device->pending);
 384                 device->pending = NULL;
 385         }
 386
 387         return FALSE;
 388 }
 389
 390 static DBusMessage *set_property(DBusConnection *conn,
 391                                         DBusMessage *msg, void *data)
 392 {
 393         struct connman_device *device = data;
 394         DBusMessageIter iter, value;
 395         const char *name;
 396         int type;
 397
 398         DBG("conn %p", conn);
 399
 400         if (dbus_message_iter_init(msg, &iter) == FALSE)
 401                 return __connman_error_invalid_arguments(msg);
 402
 403         dbus_message_iter_get_basic(&iter, &name);
 404         dbus_message_iter_next(&iter);
 405         dbus_message_iter_recurse(&iter, &value);
 406
 407         if (__connman_security_check_privilege(msg,
 408                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 409                 return __connman_error_permission_denied(msg);
 410
 411         type = dbus_message_iter_get_arg_type(&value);
 412
 413         if (g_str_equal(name, "Powered") == TRUE) {
 414                 connman_bool_t powered;
 415                 int err;
 416
 417                 if (type != DBUS_TYPE_BOOLEAN)
 418                         return __connman_error_invalid_arguments(msg);
 419
 420                 dbus_message_iter_get_basic(&value, &powered);
 421
 422                 device->powered_persistent = powered;
 423
 424                 __connman_storage_save_device(device);
 425
 426                 if (device->powered == powered)
 427                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 428
 429                 if (device->pending != NULL)
 430                         return __connman_error_in_progress(msg);
 431
 432                 err = set_powered(device, powered);
 433                 if (err < 0) {
 434                         if (err != -EINPROGRESS)
 435                                 return __connman_error_failed(msg, -err);
 436
 437                         device->pending = dbus_message_ref(msg);
 438
 439                         device->timeout = g_timeout_add_seconds(15,
 440                                                 powered_timeout, device);
 441
 442                         return NULL;
 443                 }
 444         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 445                 connman_uint16_t interval;
 446
 447                 switch (device->mode) {
 448                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 449                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 450                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 451                         break;
 452                 }
 453
 454                 if (type != DBUS_TYPE_UINT16)
 455                         return __connman_error_invalid_arguments(msg);
 456
 457                 dbus_message_iter_get_basic(&value, &interval);
 458
 459                 if (device->scan_interval != interval) {
 460                         device->scan_interval = interval;
 461
 462                         __connman_storage_save_device(device);
 463
 464                         reset_scan_trigger(device);
 465                 }
 466         } else
 467                 return __connman_error_invalid_property(msg);
 468
 469         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 470 }
 471
 472 static DBusMessage *propose_scan(DBusConnection *conn,
 473                                         DBusMessage *msg, void *data)
 474 {
 475         struct connman_device *device = data;
 476         int err;
 477
 478         DBG("conn %p", conn);
 479
 480         switch (device->mode) {
 481         case CONNMAN_DEVICE_MODE_UNKNOWN:
 482                 return __connman_error_not_supported(msg);
 483         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 484         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 485                 break;
 486         }
 487
 488         err = __connman_device_scan(device);
 489         if (err < 0)
 490                 return __connman_error_failed(msg, -err);
 491
 492         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 493 }
 494
 495 static GDBusMethodTable device_methods[] = {
 496         { "GetProperties", "",      "a{sv}", get_properties },
 497         { "SetProperty",   "sv",    "",      set_property,
 498                                                 G_DBUS_METHOD_FLAG_ASYNC },
 499         { "ProposeScan",   "",      "",      propose_scan   },
 500         { },
 501 };
 502
 503 static GDBusSignalTable device_signals[] = {
 504         { "PropertyChanged", "sv" },
 505         { },
 506 };
 507
 508 static void emit_devices_signal(void)
 509 {
 510         DBusMessage *signal;
 511         DBusMessageIter iter;
 512
 513         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 514                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 515         if (signal == NULL)
 516                 return;
 517
 518         dbus_message_iter_init_append(signal, &iter);
 519         connman_dbus_property_append_variable_array(&iter, "Devices",
 520                                 DBUS_TYPE_OBJECT_PATH, __connman_device_list);
 521
 522         g_dbus_send_message(connection, signal);
 523 }
 524
 525 static int register_interface(struct connman_element *element)
 526 {
 527         struct connman_device *device = element->device;
 528
 529         DBG("element %p name %s", element, element->name);
 530
 531         if (g_dbus_register_interface(connection, element->path,
 532                                         CONNMAN_DEVICE_INTERFACE,
 533                                         device_methods, device_signals,
 534                                         NULL, device, NULL) == FALSE) {
 535                 connman_error("Failed to register %s device", element->path);
 536                 return -EIO;
 537         }
 538
 539         device->registered = TRUE;
 540
 541         emit_devices_signal();
 542
 543         return 0;
 544 }
 545
 546 static void unregister_interface(struct connman_element *element)
 547 {
 548         struct connman_device *device = element->device;
 549
 550         DBG("element %p name %s", element, element->name);
 551
 552         device->registered = FALSE;
 553
 554         emit_devices_signal();
 555
 556         g_dbus_unregister_interface(connection, element->path,
 557                                                 CONNMAN_DEVICE_INTERFACE);
 558 }
 559
 560 static int setup_device(struct connman_device *device)
 561 {
 562         enum connman_service_type type;
 563         int err;
 564
 565         DBG("device %p", device);
 566
 567         err = register_interface(&device->element);
 568         if (err < 0) {
 569                 if (device->driver->remove)
 570                         device->driver->remove(device);
 571                 device->driver = NULL;
 572                 return err;
 573         }
 574
 575         type = __connman_device_get_service_type(device);
 576         __connman_notifier_register(type);
 577
 578         switch (device->mode) {
 579         case CONNMAN_DEVICE_MODE_UNKNOWN:
 580         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 581         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 582                 break;
 583         }
 584
 585         if (device->offlinemode == FALSE &&
 586                                 device->powered_persistent == TRUE)
 587                 __connman_device_enable(device);
 588
 589         return 0;
 590 }
 591
 592 static void probe_driver(struct connman_element *element, gpointer user_data)
 593 {
 594         struct connman_device_driver *driver = user_data;
 595
 596         DBG("element %p name %s", element, element->name);
 597
 598         if (element->device == NULL)
 599                 return;
 600
 601         if (element->device->driver != NULL)
 602                 return;
 603
 604         if (driver->type != element->device->type)
 605                 return;
 606
 607         if (driver->probe(element->device) < 0)
 608                 return;
 609
 610         element->device->driver = driver;
 611
 612         setup_device(element->device);
 613 }
 614
 615 static void remove_device(struct connman_device *device)
 616 {
 617         enum connman_service_type type;
 618
 619         DBG("device %p", device);
 620
 621         __connman_device_disable(device);
 622
 623         switch (device->mode) {
 624         case CONNMAN_DEVICE_MODE_UNKNOWN:
 625         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 626         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 627                 break;
 628         }
 629
 630         type = __connman_device_get_service_type(device);
 631         __connman_notifier_unregister(type);
 632
 633         unregister_interface(&device->element);
 634
 635         if (device->driver->remove)
 636                 device->driver->remove(device);
 637
 638         device->driver = NULL;
 639 }
 640
 641 static void remove_driver(struct connman_element *element, gpointer user_data)
 642 {
 643         struct connman_device_driver *driver = user_data;
 644
 645         DBG("element %p name %s", element, element->name);
 646
 647         if (element->device == NULL)
 648                 return;
 649
 650         if (element->device->driver == driver)
 651                 remove_device(element->device);
 652 }
 653
 654 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 655 {
 656         if (device == NULL || device->driver == NULL)
 657                 return FALSE;
 658
 659         return device->registered;
 660 }
 661
 662 static GSList *driver_list = NULL;
 663
 664 static gint compare_priority(gconstpointer a, gconstpointer b)
 665 {
 666         const struct connman_device_driver *driver1 = a;
 667         const struct connman_device_driver *driver2 = b;
 668
 669         return driver2->priority - driver1->priority;
 670 }
 671
 672 /**
 673  * connman_device_driver_register:
 674  * @driver: device driver definition
 675  *
 676  * Register a new device driver
 677  *
 678  * Returns: %0 on success
 679  */
 680 int connman_device_driver_register(struct connman_device_driver *driver)
 681 {
 682         DBG("driver %p name %s", driver, driver->name);
 683
 684         driver_list = g_slist_insert_sorted(driver_list, driver,
 685                                                         compare_priority);
 686
 687         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 688                                                 probe_driver, driver);
 689
 690         return 0;
 691 }
 692
 693 /**
 694  * connman_device_driver_unregister:
 695  * @driver: device driver definition
 696  *
 697  * Remove a previously registered device driver
 698  */
 699 void connman_device_driver_unregister(struct connman_device_driver *driver)
 700 {
 701         DBG("driver %p name %s", driver, driver->name);
 702
 703         driver_list = g_slist_remove(driver_list, driver);
 704
 705         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 706                                                 remove_driver, driver);
 707 }
 708
 709 static void unregister_network(gpointer data)
 710 {
 711         struct connman_network *network = data;
 712
 713         DBG("network %p", network);
 714
 715         connman_element_unregister((struct connman_element *) network);
 716
 717         connman_network_unref(network);
 718 }
 719
 720 static void device_destruct(struct connman_element *element)
 721 {
 722         struct connman_device *device = element->device;
 723
 724         DBG("element %p name %s", element, element->name);
 725
 726         if (device->timeout > 0) {
 727                 g_source_remove(device->timeout);
 728                 device->timeout = 0;
 729         }
 730
 731         clear_scan_trigger(device);
 732
 733         if (device->pending != NULL) {
 734                 dbus_message_unref(device->pending);
 735                 device->pending = NULL;
 736         }
 737
 738         g_free(device->ident);
 739         g_free(device->node);
 740         g_free(device->name);
 741         g_free(device->address);
 742         g_free(device->control);
 743         g_free(device->interface);
 744
 745         g_free(device->last_network);
 746
 747         g_hash_table_destroy(device->networks);
 748         device->networks = NULL;
 749 }
 750
 751 /**
 752  * connman_device_create:
 753  * @node: device node name (for example an address)
 754  * @type: device type
 755  *
 756  * Allocate a new device of given #type and assign the #node name to it.
 757  *
 758  * Returns: a newly-allocated #connman_device structure
 759  */
 760 struct connman_device *connman_device_create(const char *node,
 761                                                 enum connman_device_type type)
 762 {
 763         struct connman_device *device;
 764         const char *str;
 765
 766         DBG("node %s type %d", node, type);
 767
 768         device = g_try_new0(struct connman_device, 1);
 769         if (device == NULL)
 770                 return NULL;
 771
 772         DBG("device %p", device);
 773
 774         __connman_element_initialize(&device->element);
 775
 776         device->element.name = g_strdup(node);
 777         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 778
 779         device->element.device = device;
 780         device->element.destruct = device_destruct;
 781
 782         str = type2string(type);
 783         if (str != NULL)
 784                 connman_element_set_string(&device->element,
 785                                         CONNMAN_PROPERTY_ID_TYPE, str);
 786
 787         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 788
 789         device->type = type;
 790         device->name = g_strdup(type2description(device->type));
 791         device->mode = CONNMAN_DEVICE_MODE_UNKNOWN;
 792
 793         device->powered_persistent = TRUE;
 794
 795         device->phyindex = -1;
 796
 797         switch (type) {
 798         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 799         case CONNMAN_DEVICE_TYPE_VENDOR:
 800                 device->scan_interval = 0;
 801                 break;
 802         case CONNMAN_DEVICE_TYPE_ETHERNET:
 803         case CONNMAN_DEVICE_TYPE_WIFI:
 804                 device->scan_interval = 300;
 805                 break;
 806         case CONNMAN_DEVICE_TYPE_WIMAX:
 807                 device->scan_interval = 0;
 808                 break;
 809         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 810                 device->scan_interval = 0;
 811                 break;
 812         case CONNMAN_DEVICE_TYPE_GPS:
 813                 device->scan_interval = 0;
 814                 break;
 815         case CONNMAN_DEVICE_TYPE_CELLULAR:
 816         case CONNMAN_DEVICE_TYPE_MBM:
 817         case CONNMAN_DEVICE_TYPE_HSO:
 818                 device->scan_interval = 0;
 819                 break;
 820         }
 821
 822         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 823                                                 g_free, unregister_network);
 824
 825         return device;
 826 }
 827
 828 /**
 829  * connman_device_ref:
 830  * @device: device structure
 831  *
 832  * Increase reference counter of device
 833  */
 834 struct connman_device *connman_device_ref(struct connman_device *device)
 835 {
 836         if (connman_element_ref(&device->element) == NULL)
 837                 return NULL;
 838
 839         return device;
 840 }
 841
 842 /**
 843  * connman_device_unref:
 844  * @device: device structure
 845  *
 846  * Decrease reference counter of device
 847  */
 848 void connman_device_unref(struct connman_device *device)
 849 {
 850         connman_element_unref(&device->element);
 851 }
 852
 853 const char *__connman_device_get_type(struct connman_device *device)
 854 {
 855         return type2string(device->type);
 856 }
 857
 858 /**
 859  * connman_device_get_type:
 860  * @device: device structure
 861  *
 862  * Get type of device
 863  */
 864 enum connman_device_type connman_device_get_type(struct connman_device *device)
 865 {
 866         return device->type;
 867 }
 868
 869 /**
 870  * connman_device_get_name:
 871  * @device: device structure
 872  *
 873  * Get unique name of device
 874  */
 875 const char *connman_device_get_name(struct connman_device *device)
 876 {
 877         return device->element.name;
 878 }
 879
 880 /**
 881  * connman_device_get_path:
 882  * @device: device structure
 883  *
 884  * Get path name of device
 885  */
 886 const char *connman_device_get_path(struct connman_device *device)
 887 {
 888         return device->element.path;
 889 }
 890
 891 /**
 892  * connman_device_set_index:
 893  * @device: device structure
 894  * @index: index number
 895  *
 896  * Set index number of device
 897  */
 898 void connman_device_set_index(struct connman_device *device, int index)
 899 {
 900         device->element.index = index;
 901 }
 902
 903 /**
 904  * connman_device_get_index:
 905  * @device: device structure
 906  *
 907  * Get index number of device
 908  */
 909 int connman_device_get_index(struct connman_device *device)
 910 {
 911         return device->element.index;
 912 }
 913
 914 int __connman_device_get_phyindex(struct connman_device *device)
 915 {
 916         return device->phyindex;
 917 }
 918
 919 void __connman_device_set_phyindex(struct connman_device *device,
 920                                                         int phyindex)
 921 {
 922         device->phyindex = phyindex;
 923 }
 924
 925 /**
 926  * connman_device_set_interface:
 927  * @device: device structure
 928  * @interface: interface name
 929  * @control: control interface
 930  *
 931  * Set interface name of device
 932  */
 933 void connman_device_set_interface(struct connman_device *device,
 934                                 const char *interface, const char *control)
 935 {
 936         g_free(device->element.devname);
 937         device->element.devname = g_strdup(interface);
 938
 939         g_free(device->interface);
 940         device->interface = g_strdup(interface);
 941
 942         g_free(device->control);
 943         device->control = g_strdup(control);
 944
 945         if (device->name == NULL) {
 946                 const char *str = type2description(device->type);
 947                 if (str != NULL && device->interface != NULL)
 948                         device->name = g_strdup_printf("%s (%s)", str,
 949                                                         device->interface);
 950         }
 951 }
 952
 953 const char *connman_device_get_control(struct connman_device *device)
 954 {
 955         return device->control;
 956 }
 957
 958 /**
 959  * connman_device_set_ident:
 960  * @device: device structure
 961  * @ident: unique identifier
 962  *
 963  * Set unique identifier of device
 964  */
 965 void connman_device_set_ident(struct connman_device *device,
 966                                                         const char *ident)
 967 {
 968         g_free(device->ident);
 969         device->ident = g_strdup(ident);
 970 }
 971
 972 const char *__connman_device_get_ident(struct connman_device *device)
 973 {
 974         return device->ident;
 975 }
 976
 977 /**
 978  * connman_device_set_mode:
 979  * @device: device structure
 980  * @mode: network mode
 981  *
 982  * Change network mode of device
 983  */
 984 void connman_device_set_mode(struct connman_device *device,
 985                                                 enum connman_device_mode mode)
 986 {
 987         device->mode = mode;
 988 }
 989
 990 /**
 991  * connman_device_get_mode:
 992  * @device: device structure
 993  *
 994  * Get network mode of device
 995  */
 996 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
 997 {
 998         return device->mode;
 999 }
1000
1001 /**
1002  * connman_device_set_powered:
1003  * @device: device structure
1004  * @powered: powered state
1005  *
1006  * Change power state of device
1007  */
1008 int connman_device_set_powered(struct connman_device *device,
1009                                                 connman_bool_t powered)
1010 {
1011         enum connman_service_type type;
1012
1013         DBG("driver %p powered %d", device, powered);
1014
1015         if (device->timeout > 0) {
1016                 g_source_remove(device->timeout);
1017                 device->timeout = 0;
1018         }
1019
1020         if (device->pending != NULL) {
1021                 g_dbus_send_reply(connection, device->pending,
1022                                                         DBUS_TYPE_INVALID);
1023
1024                 dbus_message_unref(device->pending);
1025                 device->pending = NULL;
1026         }
1027
1028         if (device->powered == powered)
1029                 return -EALREADY;
1030
1031         device->powered = powered;
1032         device->powered_pending = powered;
1033
1034         type = __connman_device_get_service_type(device);
1035
1036         if (device->powered == TRUE)
1037                 __connman_notifier_enable(type);
1038         else
1039                 __connman_notifier_disable(type);
1040
1041         if (device->registered == FALSE)
1042                 return 0;
1043
1044         powered_changed(device);
1045
1046         if (powered == FALSE)
1047                 return 0;
1048
1049         reset_scan_trigger(device);
1050
1051         if (device->driver->scan)
1052                 device->driver->scan(device);
1053
1054         return 0;
1055 }
1056
1057 int __connman_device_set_blocked(struct connman_device *device,
1058                                                 connman_bool_t blocked)
1059 {
1060         connman_bool_t powered;
1061
1062         DBG("device %p blocked %d", device, blocked);
1063
1064         device->blocked = blocked;
1065
1066         if (device->offlinemode == TRUE)
1067                 return 0;
1068
1069         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1070
1071         if (blocked == FALSE)
1072                 powered = device->powered_persistent;
1073         else
1074                 powered = FALSE;
1075
1076         return set_powered(device, powered);
1077 }
1078
1079 int __connman_device_scan(struct connman_device *device)
1080 {
1081         if (!device->driver || !device->driver->scan)
1082                 return -EOPNOTSUPP;
1083
1084         if (device->powered == FALSE)
1085                 return -ENOLINK;
1086
1087         reset_scan_trigger(device);
1088
1089         return device->driver->scan(device);
1090 }
1091
1092 int __connman_device_enable(struct connman_device *device)
1093 {
1094         enum connman_service_type type;
1095         int err;
1096
1097         DBG("device %p", device);
1098
1099         if (!device->driver || !device->driver->enable)
1100                 return -EOPNOTSUPP;
1101
1102         if (device->powered_pending == TRUE)
1103                 return -EALREADY;
1104
1105         device->powered_pending = TRUE;
1106
1107         err = device->driver->enable(device);
1108         if (err < 0)
1109                 return err;
1110
1111         device->powered = TRUE;
1112
1113         type = __connman_device_get_service_type(device);
1114         __connman_notifier_enable(type);
1115
1116         return 0;
1117 }
1118
1119 int __connman_device_enable_persistent(struct connman_device *device)
1120 {
1121         DBG("device %p", device);
1122
1123         device->powered_persistent = TRUE;
1124
1125         __connman_storage_save_device(device);
1126
1127         return __connman_device_enable(device);
1128 }
1129
1130 int __connman_device_disable(struct connman_device *device)
1131 {
1132         enum connman_service_type type;
1133         int err;
1134
1135         DBG("device %p", device);
1136
1137         if (!device->driver || !device->driver->disable)
1138                 return -EOPNOTSUPP;
1139
1140         if (device->powered == FALSE)
1141                 return -ENOLINK;
1142
1143         if (device->powered_pending == FALSE)
1144                 return -EALREADY;
1145
1146         device->powered_pending = FALSE;
1147
1148         device->reconnect = FALSE;
1149
1150         clear_scan_trigger(device);
1151
1152         g_hash_table_remove_all(device->networks);
1153
1154         err = device->driver->disable(device);
1155         if (err < 0)
1156                 return err;
1157
1158         device->powered = FALSE;
1159
1160         type = __connman_device_get_service_type(device);
1161         __connman_notifier_disable(type);
1162
1163         return 0;
1164 }
1165
1166 int __connman_device_disable_persistent(struct connman_device *device)
1167 {
1168         DBG("device %p", device);
1169
1170         device->powered_persistent = FALSE;
1171
1172         __connman_storage_save_device(device);
1173
1174         return __connman_device_disable(device);
1175 }
1176
1177 int __connman_device_disconnect(struct connman_device *device)
1178 {
1179         GHashTableIter iter;
1180         gpointer key, value;
1181
1182         DBG("device %p", device);
1183
1184         connman_device_set_disconnected(device, TRUE);
1185
1186         g_hash_table_iter_init(&iter, device->networks);
1187
1188         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1189                 struct connman_network *network = value;
1190
1191                 if (__connman_network_get_connecting(network) == TRUE) {
1192                         /*
1193                          * Skip network in the process of connecting.
1194                          * This is a workaround for WiFi networks serviced
1195                          * by the supplicant plugin that hold a reference
1196                          * to the network.  If we disconnect the network
1197                          * here then the referenced object will not be
1198                          * registered and usage (like launching DHCP client)
1199                          * will fail.  There is nothing to be gained by
1200                          * removing the network here anyway.
1201                          */
1202                         connman_warn("Skipping disconnect of %s",
1203                                 connman_network_get_identifier(network));
1204                         continue;
1205                 }
1206
1207                 __connman_network_disconnect(network);
1208         }
1209
1210         return 0;
1211 }
1212
1213 static void mark_network_unavailable(gpointer key, gpointer value,
1214                                                         gpointer user_data)
1215 {
1216         struct connman_network *network = value;
1217
1218         if (connman_network_get_connected(network) == TRUE)
1219                 return;
1220
1221         connman_network_set_available(network, FALSE);
1222 }
1223
1224 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1225                                                         gpointer user_data)
1226 {
1227         struct connman_network *network = value;
1228
1229         if (connman_network_get_connected(network) == TRUE)
1230                 return FALSE;
1231
1232         if (connman_network_get_available(network) == TRUE)
1233                 return FALSE;
1234
1235         return TRUE;
1236 }
1237
1238 void __connman_device_cleanup_networks(struct connman_device *device)
1239 {
1240         g_hash_table_foreach_remove(device->networks,
1241                                         remove_unavailable_network, NULL);
1242 }
1243
1244 static void scanning_changed(struct connman_device *device)
1245 {
1246         DBusMessage *signal;
1247         DBusMessageIter iter;
1248
1249         signal = dbus_message_new_signal(device->element.path,
1250                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1251         if (signal == NULL)
1252                 return;
1253
1254         dbus_message_iter_init_append(signal, &iter);
1255         connman_dbus_property_append_variant(&iter, "Scanning",
1256                                         DBUS_TYPE_BOOLEAN, &device->scanning);
1257
1258         g_dbus_send_message(connection, signal);
1259 }
1260
1261 static void mark_network_available(gpointer key, gpointer value,
1262                                                 gpointer user_data)
1263 {
1264         struct connman_network *network = value;
1265
1266         connman_network_set_available(network, TRUE);
1267 }
1268
1269 void connman_device_cleanup_scanning(struct connman_device *device)
1270 {
1271         device->scanning = FALSE;
1272
1273         scanning_changed(device);
1274
1275         g_hash_table_foreach(device->networks,
1276                                 mark_network_available, NULL);
1277 }
1278
1279 /**
1280  * connman_device_set_scanning:
1281  * @device: device structure
1282  * @scanning: scanning state
1283  *
1284  * Change scanning state of device
1285  */
1286 int connman_device_set_scanning(struct connman_device *device,
1287                                                 connman_bool_t scanning)
1288 {
1289         DBG("device %p scanning %d", device, scanning);
1290
1291         if (!device->driver || !device->driver->scan)
1292                 return -EINVAL;
1293
1294         if (device->scanning == scanning)
1295                 return -EALREADY;
1296
1297         device->scanning = scanning;
1298
1299         scanning_changed(device);
1300
1301         if (scanning == TRUE) {
1302                 reset_scan_trigger(device);
1303
1304                 g_hash_table_foreach(device->networks,
1305                                         mark_network_unavailable, NULL);
1306
1307                 return 0;
1308         }
1309
1310         __connman_device_cleanup_networks(device);
1311
1312         if (device->connections > 0)
1313                 return 0;
1314
1315         if (device->disconnected == TRUE)
1316                 return 0;
1317
1318         __connman_service_auto_connect();
1319
1320         return 0;
1321 }
1322
1323 /**
1324  * connman_device_set_disconnected:
1325  * @device: device structure
1326  * @disconnected: disconnected state
1327  *
1328  * Change disconnected state of device (only for device with networks)
1329  */
1330 int connman_device_set_disconnected(struct connman_device *device,
1331                                                 connman_bool_t disconnected)
1332 {
1333         DBG("device %p disconnected %d", device, disconnected);
1334
1335         switch (device->mode) {
1336         case CONNMAN_DEVICE_MODE_UNKNOWN:
1337                 return -EINVAL;
1338         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1339         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1340                 break;
1341         }
1342
1343         if (device->disconnected == disconnected)
1344                 return -EALREADY;
1345
1346         device->disconnected = disconnected;
1347
1348         if (disconnected == TRUE)
1349                 force_scan_trigger(device);
1350
1351         return 0;
1352 }
1353
1354 /**
1355  * connman_device_get_disconnected:
1356  * @device: device structure
1357  *
1358  * Get device disconnected state
1359  */
1360 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1361 {
1362         return device->disconnected;
1363 }
1364
1365 /**
1366  * connman_device_set_string:
1367  * @device: device structure
1368  * @key: unique identifier
1369  * @value: string value
1370  *
1371  * Set string value for specific key
1372  */
1373 int connman_device_set_string(struct connman_device *device,
1374                                         const char *key, const char *value)
1375 {
1376         DBG("device %p key %s value %s", device, key, value);
1377
1378         if (g_str_equal(key, "Address") == TRUE) {
1379                 g_free(device->address);
1380                 device->address = g_strdup(value);
1381         } else if (g_str_equal(key, "Name") == TRUE) {
1382                 g_free(device->name);
1383                 device->name = g_strdup(value);
1384         } else if (g_str_equal(key, "Node") == TRUE) {
1385                 g_free(device->node);
1386                 device->node = g_strdup(value);
1387         }
1388
1389         return connman_element_set_string(&device->element, key, value);
1390 }
1391
1392 /**
1393  * connman_device_get_string:
1394  * @device: device structure
1395  * @key: unique identifier
1396  *
1397  * Get string value for specific key
1398  */
1399 const char *connman_device_get_string(struct connman_device *device,
1400                                                         const char *key)
1401 {
1402         DBG("device %p key %s", device, key);
1403
1404         if (g_str_equal(key, "Address") == TRUE)
1405                 return device->address;
1406         else if (g_str_equal(key, "Name") == TRUE)
1407                 return device->name;
1408         else if (g_str_equal(key, "Node") == TRUE)
1409                 return device->node;
1410
1411         return connman_element_get_string(&device->element, key);
1412 }
1413
1414 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1415 {
1416         struct connman_device *device = element->device;
1417         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1418         connman_bool_t powered;
1419
1420         DBG("element %p name %s", element, element->name);
1421
1422         if (device == NULL)
1423                 return;
1424
1425         device->offlinemode = offlinemode;
1426
1427         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1428
1429         if (device->powered == powered)
1430                 return;
1431
1432         if (device->powered_persistent == FALSE)
1433                 powered = FALSE;
1434
1435         set_powered(device, powered);
1436 }
1437
1438 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1439 {
1440         DBG("offlinmode %d", offlinemode);
1441
1442         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1443                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1444
1445         __connman_notifier_offlinemode(offlinemode);
1446
1447         return 0;
1448 }
1449
1450 void __connman_device_increase_connections(struct connman_device *device)
1451 {
1452         device->connections++;
1453 }
1454
1455 void __connman_device_decrease_connections(struct connman_device *device)
1456 {
1457         device->connections--;
1458 }
1459
1460 /**
1461  * connman_device_add_network:
1462  * @device: device structure
1463  * @network: network structure
1464  *
1465  * Add new network to the device
1466  */
1467 int connman_device_add_network(struct connman_device *device,
1468                                         struct connman_network *network)
1469 {
1470         const char *identifier = connman_network_get_identifier(network);
1471         int err;
1472
1473         DBG("device %p network %p", device, network);
1474
1475         if (identifier == NULL)
1476                 return -EINVAL;
1477
1478         switch (device->mode) {
1479         case CONNMAN_DEVICE_MODE_UNKNOWN:
1480                 return -EINVAL;
1481         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1482         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1483                 break;
1484         }
1485
1486         __connman_network_set_device(network, device);
1487
1488         err = connman_element_register((struct connman_element *) network,
1489                                                         &device->element);
1490         if (err < 0) {
1491                 __connman_network_set_device(network, NULL);
1492                 return err;
1493         }
1494
1495         g_hash_table_insert(device->networks, g_strdup(identifier),
1496                                                                 network);
1497
1498         return 0;
1499 }
1500
1501 /**
1502  * connman_device_get_network:
1503  * @device: device structure
1504  * @identifier: network identifier
1505  *
1506  * Get network for given identifier
1507  */
1508 struct connman_network *connman_device_get_network(struct connman_device *device,
1509                                                         const char *identifier)
1510 {
1511         DBG("device %p identifier %s", device, identifier);
1512
1513         return g_hash_table_lookup(device->networks, identifier);
1514 }
1515
1516 /**
1517  * connman_device_remove_network:
1518  * @device: device structure
1519  * @identifier: network identifier
1520  *
1521  * Remove network for given identifier
1522  */
1523 int connman_device_remove_network(struct connman_device *device,
1524                                                         const char *identifier)
1525 {
1526         DBG("device %p identifier %s", device, identifier);
1527
1528         g_hash_table_remove(device->networks, identifier);
1529
1530         return 0;
1531 }
1532
1533 void connman_device_remove_all_networks(struct connman_device *device)
1534 {
1535         g_hash_table_remove_all(device->networks);
1536 }
1537
1538 void __connman_device_set_network(struct connman_device *device,
1539                                         struct connman_network *network)
1540 {
1541         const char *name;
1542
1543         if (device->network == network)
1544                 return;
1545
1546         if (device->network != NULL)
1547                 connman_network_unref(device->network);
1548
1549         if (network != NULL) {
1550                 name = connman_network_get_string(network,
1551                                                 CONNMAN_PROPERTY_ID_NAME);
1552                 g_free(device->last_network);
1553                 device->last_network = g_strdup(name);
1554
1555                 device->network = connman_network_ref(network);
1556         } else {
1557                 g_free(device->last_network);
1558                 device->last_network = NULL;
1559
1560                 device->network = NULL;
1561         }
1562 }
1563
1564 void __connman_device_set_reconnect(struct connman_device *device,
1565                                                 connman_bool_t reconnect)
1566 {
1567         device->reconnect = reconnect;
1568 }
1569
1570 connman_bool_t  __connman_device_get_reconnect(
1571                                 struct connman_device *device)
1572 {
1573         return device->reconnect;
1574 }
1575
1576 /**
1577  * connman_device_register:
1578  * @device: device structure
1579  *
1580  * Register device with the system
1581  */
1582 int connman_device_register(struct connman_device *device)
1583 {
1584         __connman_storage_load_device(device);
1585
1586         device->offlinemode = __connman_profile_get_offlinemode();
1587
1588         return connman_element_register(&device->element, NULL);
1589 }
1590
1591 /**
1592  * connman_device_unregister:
1593  * @device: device structure
1594  *
1595  * Unregister device with the system
1596  */
1597 void connman_device_unregister(struct connman_device *device)
1598 {
1599         __connman_storage_save_device(device);
1600
1601         connman_element_unregister(&device->element);
1602 }
1603
1604 /**
1605  * connman_device_get_data:
1606  * @device: device structure
1607  *
1608  * Get private device data pointer
1609  */
1610 void *connman_device_get_data(struct connman_device *device)
1611 {
1612         return device->driver_data;
1613 }
1614
1615 /**
1616  * connman_device_set_data:
1617  * @device: device structure
1618  * @data: data pointer
1619  *
1620  * Set private device data pointer
1621  */
1622 void connman_device_set_data(struct connman_device *device, void *data)
1623 {
1624         device->driver_data = data;
1625 }
1626
1627 static gboolean match_driver(struct connman_device *device,
1628                                         struct connman_device_driver *driver)
1629 {
1630         if (device->type == driver->type ||
1631                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1632                 return TRUE;
1633
1634         return FALSE;
1635 }
1636
1637 static int device_probe(struct connman_element *element)
1638 {
1639         struct connman_device *device = element->device;
1640         GSList *list;
1641
1642         DBG("element %p name %s", element, element->name);
1643
1644         if (device == NULL)
1645                 return -ENODEV;
1646
1647         if (device->driver != NULL)
1648                 return -EALREADY;
1649
1650         for (list = driver_list; list; list = list->next) {
1651                 struct connman_device_driver *driver = list->data;
1652
1653                 if (match_driver(device, driver) == FALSE)
1654                         continue;
1655
1656                 DBG("driver %p name %s", driver, driver->name);
1657
1658                 if (driver->probe(device) == 0) {
1659                         device->driver = driver;
1660                         break;
1661                 }
1662         }
1663
1664         if (device->driver == NULL)
1665                 return -ENODEV;
1666
1667         return setup_device(device);
1668 }
1669
1670 static void device_remove(struct connman_element *element)
1671 {
1672         struct connman_device *device = element->device;
1673
1674         DBG("element %p name %s", element, element->name);
1675
1676         if (device == NULL)
1677                 return;
1678
1679         if (device->driver == NULL)
1680                 return;
1681
1682         remove_device(device);
1683 }
1684
1685 static struct connman_driver device_driver = {
1686         .name           = "device",
1687         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1688         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1689         .probe          = device_probe,
1690         .remove         = device_remove,
1691 };
1692
1693 static int device_load(struct connman_device *device)
1694 {
1695         const char *ident = __connman_profile_active_ident();
1696         GKeyFile *keyfile;
1697         GError *error = NULL;
1698         gchar *identifier;
1699         connman_bool_t powered;
1700         int val;
1701
1702         DBG("device %p", device);
1703
1704         keyfile = __connman_storage_open_profile(ident);
1705         if (keyfile == NULL)
1706                 return 0;
1707
1708         identifier = g_strdup_printf("device_%s", device->element.name);
1709         if (identifier == NULL)
1710                 goto done;
1711
1712         powered = g_key_file_get_boolean(keyfile, identifier,
1713                                                 "Powered", &error);
1714         if (error == NULL)
1715                 device->powered_persistent = powered;
1716         g_clear_error(&error);
1717
1718         switch (device->mode) {
1719         case CONNMAN_DEVICE_MODE_UNKNOWN:
1720                 break;
1721         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1722         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1723                 val = g_key_file_get_integer(keyfile, identifier,
1724                                                 "ScanInterval", &error);
1725                 if (error == NULL && val > 0)
1726                         device->scan_interval = val;
1727                 g_clear_error(&error);
1728                 break;
1729         }
1730
1731 done:
1732         g_free(identifier);
1733
1734         __connman_storage_close_profile(ident, keyfile, FALSE);
1735
1736         return 0;
1737 }
1738
1739 static int device_save(struct connman_device *device)
1740 {
1741         const char *ident = __connman_profile_active_ident();
1742         GKeyFile *keyfile;
1743         gchar *identifier;
1744
1745         DBG("device %p", device);
1746
1747         keyfile = __connman_storage_open_profile(ident);
1748         if (keyfile == NULL)
1749                 return 0;
1750
1751         identifier = g_strdup_printf("device_%s", device->element.name);
1752         if (identifier == NULL)
1753                 goto done;
1754
1755         g_key_file_set_boolean(keyfile, identifier,
1756                                         "Powered", device->powered_persistent);
1757
1758         switch (device->mode) {
1759         case CONNMAN_DEVICE_MODE_UNKNOWN:
1760                 break;
1761         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1762         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1763                 if (device->scan_interval > 0)
1764                         g_key_file_set_integer(keyfile, identifier,
1765                                         "ScanInterval", device->scan_interval);
1766                 break;
1767         }
1768
1769 done:
1770         g_free(identifier);
1771
1772         __connman_storage_close_profile(ident, keyfile, TRUE);
1773
1774         return 0;
1775 }
1776
1777 static struct connman_storage device_storage = {
1778         .name           = "device",
1779         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1780         .device_load    = device_load,
1781         .device_save    = device_save,
1782 };
1783
1784 int __connman_device_init(void)
1785 {
1786         DBG("");
1787
1788         connection = connman_dbus_get_connection();
1789
1790         if (connman_storage_register(&device_storage) < 0)
1791                 connman_error("Failed to register device storage");
1792
1793         return connman_driver_register(&device_driver);
1794 }
1795
1796 void __connman_device_cleanup(void)
1797 {
1798         DBG("");
1799
1800         connman_driver_unregister(&device_driver);
1801
1802         connman_storage_unregister(&device_storage);
1803
1804         dbus_connection_unref(connection);
1805 }