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 secondary;
  40         connman_bool_t offlinemode;
  41         connman_bool_t blocked;
  42         connman_bool_t powered;
  43         connman_bool_t powered_pending;
  44         connman_bool_t powered_persistent;
  45         connman_bool_t scanning;
  46         connman_bool_t disconnected;
  47         connman_bool_t reconnect;
  48         connman_uint16_t scan_interval;
  49         char *name;
  50         char *node;
  51         char *address;
  52         char *interface;
  53         char *control;
  54         char *ident;
  55         int phyindex;
  56         unsigned int connections;
  57         guint scan_timeout;
  58
  59         struct connman_device_driver *driver;
  60         void *driver_data;
  61
  62         connman_bool_t registered;
  63
  64         char *last_network;
  65         struct connman_network *network;
  66         GHashTable *networks;
  67
  68         DBusMessage *pending;
  69         guint timeout;
  70 };
  71
  72 static gboolean device_scan_trigger(gpointer user_data)
  73 {
  74         struct connman_device *device = user_data;
  75
  76         DBG("device %p", device);
  77
  78         if (device->driver == NULL) {
  79                 device->scan_timeout = 0;
  80                 return FALSE;
  81         }
  82
  83         if (device->driver->scan)
  84                 device->driver->scan(device);
  85
  86         return TRUE;
  87 }
  88
  89 static void clear_scan_trigger(struct connman_device *device)
  90 {
  91         if (device->scan_timeout > 0) {
  92                 g_source_remove(device->scan_timeout);
  93                 device->scan_timeout = 0;
  94         }
  95 }
  96
  97 static void reset_scan_trigger(struct connman_device *device)
  98 {
  99         clear_scan_trigger(device);
 100
 101         if (device->scan_interval > 0) {
 102                 guint interval = device->scan_interval;
 103                 device->scan_timeout = g_timeout_add_seconds(interval,
 104                                         device_scan_trigger, device);
 105         }
 106 }
 107
 108 static void force_scan_trigger(struct connman_device *device)
 109 {
 110         clear_scan_trigger(device);
 111
 112         device->scan_timeout = g_timeout_add_seconds(5,
 113                                         device_scan_trigger, device);
 114 }
 115
 116 void connman_device_schedule_scan(struct connman_device *device)
 117 {
 118         reset_scan_trigger(device);
 119 }
 120
 121 static const char *type2description(enum connman_device_type type)
 122 {
 123         switch (type) {
 124         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 125         case CONNMAN_DEVICE_TYPE_VENDOR:
 126                 break;
 127         case CONNMAN_DEVICE_TYPE_ETHERNET:
 128                 return "Ethernet";
 129         case CONNMAN_DEVICE_TYPE_WIFI:
 130                 return "Wireless";
 131         case CONNMAN_DEVICE_TYPE_WIMAX:
 132                 return "WiMAX";
 133         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 134                 return "Bluetooth";
 135         case CONNMAN_DEVICE_TYPE_GPS:
 136                 return "GPS";
 137         case CONNMAN_DEVICE_TYPE_CELLULAR:
 138         case CONNMAN_DEVICE_TYPE_MBM:
 139         case CONNMAN_DEVICE_TYPE_HSO:
 140                 return "Cellular";
 141         }
 142
 143         return NULL;
 144 }
 145
 146 static const char *type2string(enum connman_device_type type)
 147 {
 148         switch (type) {
 149         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 150         case CONNMAN_DEVICE_TYPE_VENDOR:
 151                 break;
 152         case CONNMAN_DEVICE_TYPE_ETHERNET:
 153                 return "ethernet";
 154         case CONNMAN_DEVICE_TYPE_WIFI:
 155                 return "wifi";
 156         case CONNMAN_DEVICE_TYPE_WIMAX:
 157                 return "wimax";
 158         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 159                 return "bluetooth";
 160         case CONNMAN_DEVICE_TYPE_GPS:
 161                 return "gps";
 162         case CONNMAN_DEVICE_TYPE_CELLULAR:
 163         case CONNMAN_DEVICE_TYPE_MBM:
 164         case CONNMAN_DEVICE_TYPE_HSO:
 165                 return "cellular";
 166         }
 167
 168         return NULL;
 169 }
 170
 171 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 172 {
 173         enum connman_device_type type = connman_device_get_type(device);
 174
 175         switch (type) {
 176         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 177         case CONNMAN_DEVICE_TYPE_VENDOR:
 178         case CONNMAN_DEVICE_TYPE_GPS:
 179                 break;
 180         case CONNMAN_DEVICE_TYPE_ETHERNET:
 181                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 182         case CONNMAN_DEVICE_TYPE_WIFI:
 183                 return CONNMAN_SERVICE_TYPE_WIFI;
 184         case CONNMAN_DEVICE_TYPE_WIMAX:
 185                 return CONNMAN_SERVICE_TYPE_WIMAX;
 186         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 187                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 188         case CONNMAN_DEVICE_TYPE_CELLULAR:
 189         case CONNMAN_DEVICE_TYPE_MBM:
 190         case CONNMAN_DEVICE_TYPE_HSO:
 191                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 192         }
 193
 194         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 195 }
 196
 197 static int powered_changed(struct connman_device *device)
 198 {
 199         DBusMessage *signal;
 200         DBusMessageIter entry, value;
 201         const char *key = "Powered";
 202
 203         signal = dbus_message_new_signal(device->element.path,
 204                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 205         if (signal == NULL)
 206                 return -ENOMEM;
 207
 208         dbus_message_iter_init_append(signal, &entry);
 209
 210         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 211
 212         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 213                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 214         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 215                                                         &device->powered);
 216         dbus_message_iter_close_container(&entry, &value);
 217
 218         g_dbus_send_message(connection, signal);
 219
 220         return 0;
 221 }
 222
 223 static int set_powered(struct connman_device *device, connman_bool_t powered)
 224 {
 225         struct connman_device_driver *driver = device->driver;
 226         enum connman_service_type type;
 227         int err;
 228
 229         DBG("device %p powered %d", device, powered);
 230
 231         if (device->powered_pending == powered)
 232                 return -EALREADY;
 233
 234         if (!driver)
 235                 return -EINVAL;
 236
 237         type = __connman_device_get_service_type(device);
 238
 239         if (powered == TRUE) {
 240                 if (driver->enable) {
 241                         device->powered_pending = powered;
 242
 243                         err = driver->enable(device);
 244                         if (err == 0)
 245                                 __connman_notifier_enable(type);
 246                 } else
 247                         err = -EINVAL;
 248         } else {
 249                 device->powered_pending = powered;
 250
 251                 device->reconnect = FALSE;
 252
 253                 clear_scan_trigger(device);
 254
 255                 g_hash_table_remove_all(device->networks);
 256
 257                 if (driver->disable) {
 258                         err = driver->disable(device);
 259                         if (err == 0)
 260                                 __connman_notifier_disable(type);
 261                 } else
 262                         err = -EINVAL;
 263         }
 264
 265         if (err == 0) {
 266                 device->powered = powered;
 267
 268                 if (device->registered == TRUE)
 269                         powered_changed(device);
 270         }
 271
 272         return err;
 273 }
 274
 275 static void append_path(gpointer key, gpointer value, gpointer user_data)
 276 {
 277         struct connman_element *element = value;
 278         DBusMessageIter *iter = user_data;
 279
 280         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 281                                                         &element->path);
 282 }
 283
 284 static void append_networks(struct connman_device *device,
 285                                                 DBusMessageIter *entry)
 286 {
 287         DBusMessageIter value, iter;
 288         const char *key = "Networks";
 289
 290         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 291
 292         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 293                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 294                                                                 &value);
 295
 296         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 297                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 298         g_hash_table_foreach(device->networks, append_path, &iter);
 299         dbus_message_iter_close_container(&value, &iter);
 300
 301         dbus_message_iter_close_container(entry, &value);
 302 }
 303
 304 static DBusMessage *get_properties(DBusConnection *conn,
 305                                         DBusMessage *msg, void *data)
 306 {
 307         struct connman_device *device = data;
 308         DBusMessage *reply;
 309         DBusMessageIter array, dict, entry;
 310         const char *str;
 311
 312         DBG("conn %p", conn);
 313
 314         if (__connman_security_check_privilege(msg,
 315                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 316                 return __connman_error_permission_denied(msg);
 317
 318         reply = dbus_message_new_method_return(msg);
 319         if (reply == NULL)
 320                 return NULL;
 321
 322         dbus_message_iter_init_append(reply, &array);
 323
 324         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 325                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 326                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 327                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 328
 329         if (device->name != NULL)
 330                 connman_dbus_dict_append_variant(&dict, "Name",
 331                                         DBUS_TYPE_STRING, &device->name);
 332
 333         str = type2string(device->type);
 334         if (str != NULL)
 335                 connman_dbus_dict_append_variant(&dict, "Type",
 336                                                 DBUS_TYPE_STRING, &str);
 337
 338         if (device->address != NULL)
 339                 connman_dbus_dict_append_variant(&dict, "Address",
 340                                         DBUS_TYPE_STRING, &device->address);
 341
 342         if (device->interface != NULL)
 343                 connman_dbus_dict_append_variant(&dict, "Interface",
 344                                         DBUS_TYPE_STRING, &device->interface);
 345
 346         connman_dbus_dict_append_variant(&dict, "Powered",
 347                                         DBUS_TYPE_BOOLEAN, &device->powered);
 348
 349         if (device->driver && device->driver->scan)
 350                 connman_dbus_dict_append_variant(&dict, "Scanning",
 351                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 352
 353         switch (device->mode) {
 354         case CONNMAN_DEVICE_MODE_UNKNOWN:
 355                 break;
 356         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 357         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 358                 if (device->scan_interval > 0)
 359                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 360                                 DBUS_TYPE_UINT16, &device->scan_interval);
 361
 362                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 363                                                                 NULL, &entry);
 364                 append_networks(device, &entry);
 365                 dbus_message_iter_close_container(&dict, &entry);
 366                 break;
 367         }
 368
 369         dbus_message_iter_close_container(&array, &dict);
 370
 371         return reply;
 372 }
 373
 374 static gboolean powered_timeout(gpointer user_data)
 375 {
 376         struct connman_device *device = user_data;
 377
 378         DBG("device %p", device);
 379
 380         device->timeout = 0;
 381
 382         if (device->pending != NULL) {
 383                 DBusMessage *reply;
 384
 385                 reply = __connman_error_operation_timeout(device->pending);
 386                 if (reply != NULL)
 387                         g_dbus_send_message(connection, reply);
 388
 389                 dbus_message_unref(device->pending);
 390                 device->pending = NULL;
 391         }
 392
 393         return FALSE;
 394 }
 395
 396 static DBusMessage *set_property(DBusConnection *conn,
 397                                         DBusMessage *msg, void *data)
 398 {
 399         struct connman_device *device = data;
 400         DBusMessageIter iter, value;
 401         const char *name;
 402         int type;
 403
 404         DBG("conn %p", conn);
 405
 406         if (dbus_message_iter_init(msg, &iter) == FALSE)
 407                 return __connman_error_invalid_arguments(msg);
 408
 409         dbus_message_iter_get_basic(&iter, &name);
 410         dbus_message_iter_next(&iter);
 411         dbus_message_iter_recurse(&iter, &value);
 412
 413         if (__connman_security_check_privilege(msg,
 414                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 415                 return __connman_error_permission_denied(msg);
 416
 417         type = dbus_message_iter_get_arg_type(&value);
 418
 419         if (g_str_equal(name, "Powered") == TRUE) {
 420                 connman_bool_t powered;
 421                 int err;
 422
 423                 if (type != DBUS_TYPE_BOOLEAN)
 424                         return __connman_error_invalid_arguments(msg);
 425
 426                 dbus_message_iter_get_basic(&value, &powered);
 427
 428                 device->powered_persistent = powered;
 429
 430                 __connman_storage_save_device(device);
 431
 432                 if (device->powered == powered)
 433                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 434
 435                 if (device->pending != NULL)
 436                         return __connman_error_in_progress(msg);
 437
 438                 err = set_powered(device, powered);
 439                 if (err < 0) {
 440                         if (err != -EINPROGRESS)
 441                                 return __connman_error_failed(msg, -err);
 442
 443                         device->pending = dbus_message_ref(msg);
 444
 445                         device->timeout = g_timeout_add_seconds(15,
 446                                                 powered_timeout, device);
 447
 448                         return NULL;
 449                 }
 450         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 451                 connman_uint16_t interval;
 452
 453                 switch (device->mode) {
 454                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 455                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 456                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 457                         break;
 458                 }
 459
 460                 if (type != DBUS_TYPE_UINT16)
 461                         return __connman_error_invalid_arguments(msg);
 462
 463                 dbus_message_iter_get_basic(&value, &interval);
 464
 465                 if (device->scan_interval != interval) {
 466                         device->scan_interval = interval;
 467
 468                         __connman_storage_save_device(device);
 469
 470                         reset_scan_trigger(device);
 471                 }
 472         } else
 473                 return __connman_error_invalid_property(msg);
 474
 475         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 476 }
 477
 478 static DBusMessage *propose_scan(DBusConnection *conn,
 479                                         DBusMessage *msg, void *data)
 480 {
 481         struct connman_device *device = data;
 482         int err;
 483
 484         DBG("conn %p", conn);
 485
 486         switch (device->mode) {
 487         case CONNMAN_DEVICE_MODE_UNKNOWN:
 488                 return __connman_error_not_supported(msg);
 489         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 490         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 491                 break;
 492         }
 493
 494         err = __connman_device_scan(device);
 495         if (err < 0)
 496                 return __connman_error_failed(msg, -err);
 497
 498         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 499 }
 500
 501 static GDBusMethodTable device_methods[] = {
 502         { "GetProperties", "",      "a{sv}", get_properties },
 503         { "SetProperty",   "sv",    "",      set_property,
 504                                                 G_DBUS_METHOD_FLAG_ASYNC },
 505         { "ProposeScan",   "",      "",      propose_scan   },
 506         { },
 507 };
 508
 509 static GDBusSignalTable device_signals[] = {
 510         { "PropertyChanged", "sv" },
 511         { },
 512 };
 513
 514 static void append_devices(DBusMessageIter *entry)
 515 {
 516         DBusMessageIter value, iter;
 517         const char *key = "Devices";
 518
 519         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 520
 521         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 522                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 523                                                                 &value);
 524
 525         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 526                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 527         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 528         dbus_message_iter_close_container(&value, &iter);
 529
 530         dbus_message_iter_close_container(entry, &value);
 531 }
 532
 533 static void emit_devices_signal(void)
 534 {
 535         DBusMessage *signal;
 536         DBusMessageIter entry;
 537
 538         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 539                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 540         if (signal == NULL)
 541                 return;
 542
 543         dbus_message_iter_init_append(signal, &entry);
 544
 545         append_devices(&entry);
 546
 547         g_dbus_send_message(connection, signal);
 548 }
 549
 550 static int register_interface(struct connman_element *element)
 551 {
 552         struct connman_device *device = element->device;
 553
 554         DBG("element %p name %s", element, element->name);
 555
 556         if (g_dbus_register_interface(connection, element->path,
 557                                         CONNMAN_DEVICE_INTERFACE,
 558                                         device_methods, device_signals,
 559                                         NULL, device, NULL) == FALSE) {
 560                 connman_error("Failed to register %s device", element->path);
 561                 return -EIO;
 562         }
 563
 564         device->registered = TRUE;
 565
 566         emit_devices_signal();
 567
 568         return 0;
 569 }
 570
 571 static void unregister_interface(struct connman_element *element)
 572 {
 573         struct connman_device *device = element->device;
 574
 575         DBG("element %p name %s", element, element->name);
 576
 577         device->registered = FALSE;
 578
 579         emit_devices_signal();
 580
 581         g_dbus_unregister_interface(connection, element->path,
 582                                                 CONNMAN_DEVICE_INTERFACE);
 583 }
 584
 585 static int setup_device(struct connman_device *device)
 586 {
 587         enum connman_service_type type;
 588         int err;
 589
 590         DBG("device %p", device);
 591
 592         err = register_interface(&device->element);
 593         if (err < 0) {
 594                 if (device->driver->remove)
 595                         device->driver->remove(device);
 596                 device->driver = NULL;
 597                 return err;
 598         }
 599
 600         type = __connman_device_get_service_type(device);
 601         __connman_notifier_register(type);
 602
 603         switch (device->mode) {
 604         case CONNMAN_DEVICE_MODE_UNKNOWN:
 605         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 606         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 607                 break;
 608         }
 609
 610         if (device->offlinemode == FALSE &&
 611                                 device->powered_persistent == TRUE)
 612                 __connman_device_enable(device);
 613
 614         return 0;
 615 }
 616
 617 static void probe_driver(struct connman_element *element, gpointer user_data)
 618 {
 619         struct connman_device_driver *driver = user_data;
 620
 621         DBG("element %p name %s", element, element->name);
 622
 623         if (element->device == NULL)
 624                 return;
 625
 626         if (element->device->driver != NULL)
 627                 return;
 628
 629         if (driver->type != element->device->type)
 630                 return;
 631
 632         if (driver->probe(element->device) < 0)
 633                 return;
 634
 635         element->device->driver = driver;
 636
 637         setup_device(element->device);
 638 }
 639
 640 static void remove_device(struct connman_device *device)
 641 {
 642         enum connman_service_type type;
 643
 644         DBG("device %p", device);
 645
 646         __connman_device_disable(device);
 647
 648         switch (device->mode) {
 649         case CONNMAN_DEVICE_MODE_UNKNOWN:
 650         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 651         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 652                 break;
 653         }
 654
 655         type = __connman_device_get_service_type(device);
 656         __connman_notifier_unregister(type);
 657
 658         unregister_interface(&device->element);
 659
 660         if (device->driver->remove)
 661                 device->driver->remove(device);
 662
 663         device->driver = NULL;
 664 }
 665
 666 static void remove_driver(struct connman_element *element, gpointer user_data)
 667 {
 668         struct connman_device_driver *driver = user_data;
 669
 670         DBG("element %p name %s", element, element->name);
 671
 672         if (element->device == NULL)
 673                 return;
 674
 675         if (element->device->driver == driver)
 676                 remove_device(element->device);
 677 }
 678
 679 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 680 {
 681         if (device == NULL || device->driver == NULL)
 682                 return FALSE;
 683
 684         return device->registered;
 685 }
 686
 687 static GSList *driver_list = NULL;
 688
 689 static gint compare_priority(gconstpointer a, gconstpointer b)
 690 {
 691         const struct connman_device_driver *driver1 = a;
 692         const struct connman_device_driver *driver2 = b;
 693
 694         return driver2->priority - driver1->priority;
 695 }
 696
 697 /**
 698  * connman_device_driver_register:
 699  * @driver: device driver definition
 700  *
 701  * Register a new device driver
 702  *
 703  * Returns: %0 on success
 704  */
 705 int connman_device_driver_register(struct connman_device_driver *driver)
 706 {
 707         DBG("driver %p name %s", driver, driver->name);
 708
 709         driver_list = g_slist_insert_sorted(driver_list, driver,
 710                                                         compare_priority);
 711
 712         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 713                                                 probe_driver, driver);
 714
 715         return 0;
 716 }
 717
 718 /**
 719  * connman_device_driver_unregister:
 720  * @driver: device driver definition
 721  *
 722  * Remove a previously registered device driver
 723  */
 724 void connman_device_driver_unregister(struct connman_device_driver *driver)
 725 {
 726         DBG("driver %p name %s", driver, driver->name);
 727
 728         driver_list = g_slist_remove(driver_list, driver);
 729
 730         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 731                                                 remove_driver, driver);
 732 }
 733
 734 static void unregister_network(gpointer data)
 735 {
 736         struct connman_network *network = data;
 737
 738         DBG("network %p", network);
 739
 740         connman_element_unregister((struct connman_element *) network);
 741
 742         connman_network_unref(network);
 743 }
 744
 745 static void device_destruct(struct connman_element *element)
 746 {
 747         struct connman_device *device = element->device;
 748
 749         DBG("element %p name %s", element, element->name);
 750
 751         if (device->timeout > 0) {
 752                 g_source_remove(device->timeout);
 753                 device->timeout = 0;
 754         }
 755
 756         clear_scan_trigger(device);
 757
 758         if (device->pending != NULL) {
 759                 dbus_message_unref(device->pending);
 760                 device->pending = NULL;
 761         }
 762
 763         g_free(device->ident);
 764         g_free(device->node);
 765         g_free(device->name);
 766         g_free(device->address);
 767         g_free(device->control);
 768         g_free(device->interface);
 769
 770         g_free(device->last_network);
 771
 772         g_hash_table_destroy(device->networks);
 773         device->networks = NULL;
 774 }
 775
 776 /**
 777  * connman_device_create:
 778  * @node: device node name (for example an address)
 779  * @type: device type
 780  *
 781  * Allocate a new device of given #type and assign the #node name to it.
 782  *
 783  * Returns: a newly-allocated #connman_device structure
 784  */
 785 struct connman_device *connman_device_create(const char *node,
 786                                                 enum connman_device_type type)
 787 {
 788         struct connman_device *device;
 789         const char *str;
 790
 791         DBG("node %s type %d", node, type);
 792
 793         device = g_try_new0(struct connman_device, 1);
 794         if (device == NULL)
 795                 return NULL;
 796
 797         DBG("device %p", device);
 798
 799         __connman_element_initialize(&device->element);
 800
 801         device->element.name = g_strdup(node);
 802         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 803
 804         device->element.device = device;
 805         device->element.destruct = device_destruct;
 806
 807         str = type2string(type);
 808         if (str != NULL)
 809                 connman_element_set_string(&device->element,
 810                                         CONNMAN_PROPERTY_ID_TYPE, str);
 811
 812         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 813
 814         device->type      = type;
 815         device->name      = g_strdup(type2description(device->type));
 816         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 817         device->secondary = FALSE;
 818
 819         device->powered_persistent = TRUE;
 820
 821         device->phyindex = -1;
 822
 823         switch (type) {
 824         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 825         case CONNMAN_DEVICE_TYPE_VENDOR:
 826                 device->scan_interval = 0;
 827                 break;
 828         case CONNMAN_DEVICE_TYPE_ETHERNET:
 829         case CONNMAN_DEVICE_TYPE_WIFI:
 830                 device->scan_interval = 300;
 831                 break;
 832         case CONNMAN_DEVICE_TYPE_WIMAX:
 833                 device->scan_interval = 0;
 834                 break;
 835         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 836                 device->scan_interval = 0;
 837                 break;
 838         case CONNMAN_DEVICE_TYPE_GPS:
 839                 device->scan_interval = 0;
 840                 break;
 841         case CONNMAN_DEVICE_TYPE_CELLULAR:
 842         case CONNMAN_DEVICE_TYPE_MBM:
 843         case CONNMAN_DEVICE_TYPE_HSO:
 844                 device->scan_interval = 0;
 845                 break;
 846         }
 847
 848         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 849                                                 g_free, unregister_network);
 850
 851         return device;
 852 }
 853
 854 /**
 855  * connman_device_ref:
 856  * @device: device structure
 857  *
 858  * Increase reference counter of device
 859  */
 860 struct connman_device *connman_device_ref(struct connman_device *device)
 861 {
 862         if (connman_element_ref(&device->element) == NULL)
 863                 return NULL;
 864
 865         return device;
 866 }
 867
 868 /**
 869  * connman_device_unref:
 870  * @device: device structure
 871  *
 872  * Decrease reference counter of device
 873  */
 874 void connman_device_unref(struct connman_device *device)
 875 {
 876         connman_element_unref(&device->element);
 877 }
 878
 879 const char *__connman_device_get_type(struct connman_device *device)
 880 {
 881         return type2string(device->type);
 882 }
 883
 884 /**
 885  * connman_device_get_type:
 886  * @device: device structure
 887  *
 888  * Get type of device
 889  */
 890 enum connman_device_type connman_device_get_type(struct connman_device *device)
 891 {
 892         return device->type;
 893 }
 894
 895 /**
 896  * connman_device_get_name:
 897  * @device: device structure
 898  *
 899  * Get unique name of device
 900  */
 901 const char *connman_device_get_name(struct connman_device *device)
 902 {
 903         return device->element.name;
 904 }
 905
 906 /**
 907  * connman_device_get_path:
 908  * @device: device structure
 909  *
 910  * Get path name of device
 911  */
 912 const char *connman_device_get_path(struct connman_device *device)
 913 {
 914         return device->element.path;
 915 }
 916
 917 /**
 918  * connman_device_set_index:
 919  * @device: device structure
 920  * @index: index number
 921  *
 922  * Set index number of device
 923  */
 924 void connman_device_set_index(struct connman_device *device, int index)
 925 {
 926         device->element.index = index;
 927 }
 928
 929 /**
 930  * connman_device_get_index:
 931  * @device: device structure
 932  *
 933  * Get index number of device
 934  */
 935 int connman_device_get_index(struct connman_device *device)
 936 {
 937         return device->element.index;
 938 }
 939
 940 int __connman_device_get_phyindex(struct connman_device *device)
 941 {
 942         return device->phyindex;
 943 }
 944
 945 void __connman_device_set_phyindex(struct connman_device *device,
 946                                                         int phyindex)
 947 {
 948         device->phyindex = phyindex;
 949 }
 950
 951 /**
 952  * connman_device_set_interface:
 953  * @device: device structure
 954  * @interface: interface name
 955  * @control: control interface
 956  *
 957  * Set interface name of device
 958  */
 959 void connman_device_set_interface(struct connman_device *device,
 960                                 const char *interface, const char *control)
 961 {
 962         g_free(device->element.devname);
 963         device->element.devname = g_strdup(interface);
 964
 965         g_free(device->interface);
 966         device->interface = g_strdup(interface);
 967
 968         g_free(device->control);
 969         device->control = g_strdup(control);
 970
 971         if (device->name == NULL) {
 972                 const char *str = type2description(device->type);
 973                 if (str != NULL && device->interface != NULL)
 974                         device->name = g_strdup_printf("%s (%s)", str,
 975                                                         device->interface);
 976         }
 977 }
 978
 979 const char *connman_device_get_control(struct connman_device *device)
 980 {
 981         return device->control;
 982 }
 983
 984 /**
 985  * connman_device_set_ident:
 986  * @device: device structure
 987  * @ident: unique identifier
 988  *
 989  * Set unique identifier of device
 990  */
 991 void connman_device_set_ident(struct connman_device *device,
 992                                                         const char *ident)
 993 {
 994         g_free(device->ident);
 995         device->ident = g_strdup(ident);
 996 }
 997
 998 const char *__connman_device_get_ident(struct connman_device *device)
 999 {
1000         return device->ident;
1001 }
1002
1003 /**
1004  * connman_device_set_mode:
1005  * @device: device structure
1006  * @mode: network mode
1007  *
1008  * Change network mode of device
1009  */
1010 void connman_device_set_mode(struct connman_device *device,
1011                                                 enum connman_device_mode mode)
1012 {
1013         device->mode = mode;
1014 }
1015
1016 /**
1017  * connman_device_get_mode:
1018  * @device: device structure
1019  *
1020  * Get network mode of device
1021  */
1022 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1023 {
1024         return device->mode;
1025 }
1026
1027 /**
1028  * connman_device_set_secondary:
1029  * @device: device structure
1030  * @secondary: secondary value
1031  *
1032  * Change secondary value of device
1033  */
1034 void connman_device_set_secondary(struct connman_device *device,
1035                                                 connman_bool_t secondary)
1036 {
1037         device->secondary = secondary;
1038 }
1039
1040 /**
1041  * connman_device_get_secondary:
1042  * @device: device structure
1043  *
1044  * Get secondary value of device
1045  */
1046 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1047 {
1048         return device->secondary;
1049 }
1050
1051 /**
1052  * connman_device_set_powered:
1053  * @device: device structure
1054  * @powered: powered state
1055  *
1056  * Change power state of device
1057  */
1058 int connman_device_set_powered(struct connman_device *device,
1059                                                 connman_bool_t powered)
1060 {
1061         enum connman_service_type type;
1062
1063         DBG("driver %p powered %d", device, powered);
1064
1065         if (device->timeout > 0) {
1066                 g_source_remove(device->timeout);
1067                 device->timeout = 0;
1068         }
1069
1070         if (device->pending != NULL) {
1071                 g_dbus_send_reply(connection, device->pending,
1072                                                         DBUS_TYPE_INVALID);
1073
1074                 dbus_message_unref(device->pending);
1075                 device->pending = NULL;
1076         }
1077
1078         if (device->powered == powered)
1079                 return -EALREADY;
1080
1081         device->powered = powered;
1082         device->powered_pending = powered;
1083
1084         type = __connman_device_get_service_type(device);
1085
1086         if (device->powered == TRUE)
1087                 __connman_notifier_enable(type);
1088         else
1089                 __connman_notifier_disable(type);
1090
1091         if (device->registered == FALSE)
1092                 return 0;
1093
1094         powered_changed(device);
1095
1096         if (powered == FALSE)
1097                 return 0;
1098
1099         reset_scan_trigger(device);
1100
1101         if (device->driver->scan)
1102                 device->driver->scan(device);
1103
1104         return 0;
1105 }
1106
1107 int __connman_device_set_blocked(struct connman_device *device,
1108                                                 connman_bool_t blocked)
1109 {
1110         connman_bool_t powered;
1111
1112         DBG("device %p blocked %d", device, blocked);
1113
1114         device->blocked = blocked;
1115
1116         if (device->offlinemode == TRUE)
1117                 return 0;
1118
1119         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1120
1121         if (blocked == FALSE)
1122                 powered = device->powered_persistent;
1123         else
1124                 powered = FALSE;
1125
1126         return set_powered(device, powered);
1127 }
1128
1129 int __connman_device_scan(struct connman_device *device)
1130 {
1131         if (!device->driver || !device->driver->scan)
1132                 return -EOPNOTSUPP;
1133
1134         if (device->powered == FALSE)
1135                 return -ENOLINK;
1136
1137         reset_scan_trigger(device);
1138
1139         return device->driver->scan(device);
1140 }
1141
1142 int __connman_device_enable(struct connman_device *device)
1143 {
1144         enum connman_service_type type;
1145         int err;
1146
1147         DBG("device %p", device);
1148
1149         if (!device->driver || !device->driver->enable)
1150                 return -EOPNOTSUPP;
1151
1152         if (device->powered_pending == TRUE)
1153                 return -EALREADY;
1154
1155         device->powered_pending = TRUE;
1156
1157         err = device->driver->enable(device);
1158         if (err < 0)
1159                 return err;
1160
1161         device->powered = TRUE;
1162
1163         type = __connman_device_get_service_type(device);
1164         __connman_notifier_enable(type);
1165
1166         return 0;
1167 }
1168
1169 int __connman_device_enable_persistent(struct connman_device *device)
1170 {
1171         DBG("device %p", device);
1172
1173         device->powered_persistent = TRUE;
1174
1175         __connman_storage_save_device(device);
1176
1177         return __connman_device_enable(device);
1178 }
1179
1180 int __connman_device_disable(struct connman_device *device)
1181 {
1182         enum connman_service_type type;
1183         int err;
1184
1185         DBG("device %p", device);
1186
1187         if (!device->driver || !device->driver->disable)
1188                 return -EOPNOTSUPP;
1189
1190         if (device->powered == FALSE)
1191                 return -ENOLINK;
1192
1193         if (device->powered_pending == FALSE)
1194                 return -EALREADY;
1195
1196         device->powered_pending = FALSE;
1197
1198         device->reconnect = FALSE;
1199
1200         clear_scan_trigger(device);
1201
1202         g_hash_table_remove_all(device->networks);
1203
1204         err = device->driver->disable(device);
1205         if (err < 0)
1206                 return err;
1207
1208         device->powered = FALSE;
1209
1210         type = __connman_device_get_service_type(device);
1211         __connman_notifier_disable(type);
1212
1213         return 0;
1214 }
1215
1216 int __connman_device_disable_persistent(struct connman_device *device)
1217 {
1218         DBG("device %p", device);
1219
1220         device->powered_persistent = FALSE;
1221
1222         __connman_storage_save_device(device);
1223
1224         return __connman_device_disable(device);
1225 }
1226
1227 int __connman_device_disconnect(struct connman_device *device)
1228 {
1229         GHashTableIter iter;
1230         gpointer key, value;
1231
1232         DBG("device %p", device);
1233
1234         connman_device_set_disconnected(device, TRUE);
1235
1236         g_hash_table_iter_init(&iter, device->networks);
1237
1238         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1239                 struct connman_network *network = value;
1240
1241                 if (__connman_network_get_connecting(network) == TRUE) {
1242                         /*
1243                          * Skip network in the process of connecting.
1244                          * This is a workaround for WiFi networks serviced
1245                          * by the supplicant plugin that hold a reference
1246                          * to the network.  If we disconnect the network
1247                          * here then the referenced object will not be
1248                          * registered and usage (like launching DHCP client)
1249                          * will fail.  There is nothing to be gained by
1250                          * removing the network here anyway.
1251                          */
1252                         connman_warn("Skipping disconnect of %s",
1253                                 connman_network_get_identifier(network));
1254                         continue;
1255                 }
1256
1257                 __connman_network_disconnect(network);
1258         }
1259
1260         return 0;
1261 }
1262
1263 static void mark_network_unavailable(gpointer key, gpointer value,
1264                                                         gpointer user_data)
1265 {
1266         struct connman_network *network = value;
1267
1268         if (connman_network_get_connected(network) == TRUE)
1269                 return;
1270
1271         connman_network_set_available(network, FALSE);
1272 }
1273
1274 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1275                                                         gpointer user_data)
1276 {
1277         struct connman_network *network = value;
1278
1279         if (connman_network_get_connected(network) == TRUE)
1280                 return FALSE;
1281
1282         if (connman_network_get_available(network) == TRUE)
1283                 return FALSE;
1284
1285         return TRUE;
1286 }
1287
1288 void __connman_device_cleanup_networks(struct connman_device *device)
1289 {
1290         g_hash_table_foreach_remove(device->networks,
1291                                         remove_unavailable_network, NULL);
1292 }
1293
1294 static void scanning_changed(struct connman_device *device)
1295 {
1296         DBusMessage *signal;
1297         DBusMessageIter entry, value;
1298         const char *key = "Scanning";
1299
1300         signal = dbus_message_new_signal(device->element.path,
1301                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1302         if (signal == NULL)
1303                 return;
1304
1305         dbus_message_iter_init_append(signal, &entry);
1306
1307         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1308
1309         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1310                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1311         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
1312                                                         &device->scanning);
1313         dbus_message_iter_close_container(&entry, &value);
1314
1315         g_dbus_send_message(connection, signal);
1316 }
1317
1318 static void mark_network_available(gpointer key, gpointer value,
1319                                                 gpointer user_data)
1320 {
1321         struct connman_network *network = value;
1322
1323         connman_network_set_available(network, TRUE);
1324 }
1325
1326 void connman_device_cleanup_scanning(struct connman_device *device)
1327 {
1328         device->scanning = FALSE;
1329
1330         scanning_changed(device);
1331
1332         g_hash_table_foreach(device->networks,
1333                                 mark_network_available, NULL);
1334 }
1335
1336 /**
1337  * connman_device_set_scanning:
1338  * @device: device structure
1339  * @scanning: scanning state
1340  *
1341  * Change scanning state of device
1342  */
1343 int connman_device_set_scanning(struct connman_device *device,
1344                                                 connman_bool_t scanning)
1345 {
1346         DBG("device %p scanning %d", device, scanning);
1347
1348         if (!device->driver || !device->driver->scan)
1349                 return -EINVAL;
1350
1351         if (device->scanning == scanning)
1352                 return -EALREADY;
1353
1354         device->scanning = scanning;
1355
1356         scanning_changed(device);
1357
1358         if (scanning == TRUE) {
1359                 reset_scan_trigger(device);
1360
1361                 g_hash_table_foreach(device->networks,
1362                                         mark_network_unavailable, NULL);
1363
1364                 return 0;
1365         }
1366
1367         __connman_device_cleanup_networks(device);
1368
1369         if (device->connections > 0)
1370                 return 0;
1371
1372         if (device->disconnected == TRUE)
1373                 return 0;
1374
1375         __connman_service_auto_connect();
1376
1377         return 0;
1378 }
1379
1380 /**
1381  * connman_device_set_disconnected:
1382  * @device: device structure
1383  * @disconnected: disconnected state
1384  *
1385  * Change disconnected state of device (only for device with networks)
1386  */
1387 int connman_device_set_disconnected(struct connman_device *device,
1388                                                 connman_bool_t disconnected)
1389 {
1390         DBG("device %p disconnected %d", device, disconnected);
1391
1392         switch (device->mode) {
1393         case CONNMAN_DEVICE_MODE_UNKNOWN:
1394                 return -EINVAL;
1395         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1396         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1397                 break;
1398         }
1399
1400         if (device->disconnected == disconnected)
1401                 return -EALREADY;
1402
1403         device->disconnected = disconnected;
1404
1405         if (disconnected == TRUE)
1406                 force_scan_trigger(device);
1407
1408         return 0;
1409 }
1410
1411 /**
1412  * connman_device_get_disconnected:
1413  * @device: device structure
1414  *
1415  * Get device disconnected state
1416  */
1417 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1418 {
1419         return device->disconnected;
1420 }
1421
1422 /**
1423  * connman_device_set_string:
1424  * @device: device structure
1425  * @key: unique identifier
1426  * @value: string value
1427  *
1428  * Set string value for specific key
1429  */
1430 int connman_device_set_string(struct connman_device *device,
1431                                         const char *key, const char *value)
1432 {
1433         DBG("device %p key %s value %s", device, key, value);
1434
1435         if (g_str_equal(key, "Address") == TRUE) {
1436                 g_free(device->address);
1437                 device->address = g_strdup(value);
1438         } else if (g_str_equal(key, "Name") == TRUE) {
1439                 g_free(device->name);
1440                 device->name = g_strdup(value);
1441         } else if (g_str_equal(key, "Node") == TRUE) {
1442                 g_free(device->node);
1443                 device->node = g_strdup(value);
1444         }
1445
1446         return connman_element_set_string(&device->element, key, value);
1447 }
1448
1449 /**
1450  * connman_device_get_string:
1451  * @device: device structure
1452  * @key: unique identifier
1453  *
1454  * Get string value for specific key
1455  */
1456 const char *connman_device_get_string(struct connman_device *device,
1457                                                         const char *key)
1458 {
1459         DBG("device %p key %s", device, key);
1460
1461         if (g_str_equal(key, "Address") == TRUE)
1462                 return device->address;
1463         else if (g_str_equal(key, "Name") == TRUE)
1464                 return device->name;
1465         else if (g_str_equal(key, "Node") == TRUE)
1466                 return device->node;
1467
1468         return connman_element_get_string(&device->element, key);
1469 }
1470
1471 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1472 {
1473         struct connman_device *device = element->device;
1474         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1475         connman_bool_t powered;
1476
1477         DBG("element %p name %s", element, element->name);
1478
1479         if (device == NULL)
1480                 return;
1481
1482         device->offlinemode = offlinemode;
1483
1484         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1485
1486         if (device->powered == powered)
1487                 return;
1488
1489         if (device->powered_persistent == FALSE)
1490                 powered = FALSE;
1491
1492         set_powered(device, powered);
1493 }
1494
1495 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1496 {
1497         DBG("offlinmode %d", offlinemode);
1498
1499         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1500                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1501
1502         __connman_notifier_offlinemode(offlinemode);
1503
1504         return 0;
1505 }
1506
1507 void __connman_device_increase_connections(struct connman_device *device)
1508 {
1509         device->connections++;
1510 }
1511
1512 void __connman_device_decrease_connections(struct connman_device *device)
1513 {
1514         device->connections--;
1515 }
1516
1517 /**
1518  * connman_device_add_network:
1519  * @device: device structure
1520  * @network: network structure
1521  *
1522  * Add new network to the device
1523  */
1524 int connman_device_add_network(struct connman_device *device,
1525                                         struct connman_network *network)
1526 {
1527         const char *identifier = connman_network_get_identifier(network);
1528         int err;
1529
1530         DBG("device %p network %p", device, network);
1531
1532         if (identifier == NULL)
1533                 return -EINVAL;
1534
1535         switch (device->mode) {
1536         case CONNMAN_DEVICE_MODE_UNKNOWN:
1537                 return -EINVAL;
1538         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1539         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1540                 break;
1541         }
1542
1543         __connman_network_set_device(network, device);
1544
1545         err = connman_element_register((struct connman_element *) network,
1546                                                         &device->element);
1547         if (err < 0) {
1548                 __connman_network_set_device(network, NULL);
1549                 return err;
1550         }
1551
1552         g_hash_table_insert(device->networks, g_strdup(identifier),
1553                                                                 network);
1554
1555         return 0;
1556 }
1557
1558 /**
1559  * connman_device_get_network:
1560  * @device: device structure
1561  * @identifier: network identifier
1562  *
1563  * Get network for given identifier
1564  */
1565 struct connman_network *connman_device_get_network(struct connman_device *device,
1566                                                         const char *identifier)
1567 {
1568         DBG("device %p identifier %s", device, identifier);
1569
1570         return g_hash_table_lookup(device->networks, identifier);
1571 }
1572
1573 /**
1574  * connman_device_remove_network:
1575  * @device: device structure
1576  * @identifier: network identifier
1577  *
1578  * Remove network for given identifier
1579  */
1580 int connman_device_remove_network(struct connman_device *device,
1581                                                         const char *identifier)
1582 {
1583         DBG("device %p identifier %s", device, identifier);
1584
1585         g_hash_table_remove(device->networks, identifier);
1586
1587         return 0;
1588 }
1589
1590 void connman_device_remove_all_networks(struct connman_device *device)
1591 {
1592         g_hash_table_remove_all(device->networks);
1593 }
1594
1595 void __connman_device_set_network(struct connman_device *device,
1596                                         struct connman_network *network)
1597 {
1598         const char *name;
1599
1600         if (device->network == network)
1601                 return;
1602
1603         if (device->network != NULL)
1604                 connman_network_unref(device->network);
1605
1606         if (network != NULL) {
1607                 name = connman_network_get_string(network,
1608                                                 CONNMAN_PROPERTY_ID_NAME);
1609                 g_free(device->last_network);
1610                 device->last_network = g_strdup(name);
1611
1612                 device->network = connman_network_ref(network);
1613         } else {
1614                 g_free(device->last_network);
1615                 device->last_network = NULL;
1616
1617                 device->network = NULL;
1618         }
1619 }
1620
1621 void __connman_device_set_reconnect(struct connman_device *device,
1622                                                 connman_bool_t reconnect)
1623 {
1624         device->reconnect = reconnect;
1625 }
1626
1627 connman_bool_t  __connman_device_get_reconnect(
1628                                 struct connman_device *device)
1629 {
1630         return device->reconnect;
1631 }
1632
1633 /**
1634  * connman_device_register:
1635  * @device: device structure
1636  *
1637  * Register device with the system
1638  */
1639 int connman_device_register(struct connman_device *device)
1640 {
1641         __connman_storage_load_device(device);
1642
1643         device->offlinemode = __connman_profile_get_offlinemode();
1644
1645         return connman_element_register(&device->element, NULL);
1646 }
1647
1648 /**
1649  * connman_device_unregister:
1650  * @device: device structure
1651  *
1652  * Unregister device with the system
1653  */
1654 void connman_device_unregister(struct connman_device *device)
1655 {
1656         __connman_storage_save_device(device);
1657
1658         connman_element_unregister(&device->element);
1659 }
1660
1661 /**
1662  * connman_device_get_data:
1663  * @device: device structure
1664  *
1665  * Get private device data pointer
1666  */
1667 void *connman_device_get_data(struct connman_device *device)
1668 {
1669         return device->driver_data;
1670 }
1671
1672 /**
1673  * connman_device_set_data:
1674  * @device: device structure
1675  * @data: data pointer
1676  *
1677  * Set private device data pointer
1678  */
1679 void connman_device_set_data(struct connman_device *device, void *data)
1680 {
1681         device->driver_data = data;
1682 }
1683
1684 static gboolean match_driver(struct connman_device *device,
1685                                         struct connman_device_driver *driver)
1686 {
1687         if (device->type == driver->type ||
1688                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1689                 return TRUE;
1690
1691         return FALSE;
1692 }
1693
1694 static int device_probe(struct connman_element *element)
1695 {
1696         struct connman_device *device = element->device;
1697         GSList *list;
1698
1699         DBG("element %p name %s", element, element->name);
1700
1701         if (device == NULL)
1702                 return -ENODEV;
1703
1704         if (device->driver != NULL)
1705                 return -EALREADY;
1706
1707         for (list = driver_list; list; list = list->next) {
1708                 struct connman_device_driver *driver = list->data;
1709
1710                 if (match_driver(device, driver) == FALSE)
1711                         continue;
1712
1713                 DBG("driver %p name %s", driver, driver->name);
1714
1715                 if (driver->probe(device) == 0) {
1716                         device->driver = driver;
1717                         break;
1718                 }
1719         }
1720
1721         if (device->driver == NULL)
1722                 return -ENODEV;
1723
1724         return setup_device(device);
1725 }
1726
1727 static void device_remove(struct connman_element *element)
1728 {
1729         struct connman_device *device = element->device;
1730
1731         DBG("element %p name %s", element, element->name);
1732
1733         if (device == NULL)
1734                 return;
1735
1736         if (device->driver == NULL)
1737                 return;
1738
1739         remove_device(device);
1740 }
1741
1742 static struct connman_driver device_driver = {
1743         .name           = "device",
1744         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1745         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1746         .probe          = device_probe,
1747         .remove         = device_remove,
1748 };
1749
1750 static int device_load(struct connman_device *device)
1751 {
1752         const char *ident = __connman_profile_active_ident();
1753         GKeyFile *keyfile;
1754         GError *error = NULL;
1755         gchar *identifier;
1756         connman_bool_t powered;
1757         int val;
1758
1759         DBG("device %p", device);
1760
1761         keyfile = __connman_storage_open(ident);
1762         if (keyfile == NULL)
1763                 return 0;
1764
1765         identifier = g_strdup_printf("device_%s", device->element.name);
1766         if (identifier == NULL)
1767                 goto done;
1768
1769         powered = g_key_file_get_boolean(keyfile, identifier,
1770                                                 "Powered", &error);
1771         if (error == NULL)
1772                 device->powered_persistent = powered;
1773         g_clear_error(&error);
1774
1775         switch (device->mode) {
1776         case CONNMAN_DEVICE_MODE_UNKNOWN:
1777                 break;
1778         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1779         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1780                 val = g_key_file_get_integer(keyfile, identifier,
1781                                                 "ScanInterval", &error);
1782                 if (error == NULL && val > 0)
1783                         device->scan_interval = val;
1784                 g_clear_error(&error);
1785                 break;
1786         }
1787
1788 done:
1789         g_free(identifier);
1790
1791         __connman_storage_close(ident, keyfile, FALSE);
1792
1793         return 0;
1794 }
1795
1796 static int device_save(struct connman_device *device)
1797 {
1798         const char *ident = __connman_profile_active_ident();
1799         GKeyFile *keyfile;
1800         gchar *identifier;
1801
1802         DBG("device %p", device);
1803
1804         keyfile = __connman_storage_open(ident);
1805         if (keyfile == NULL)
1806                 return 0;
1807
1808         identifier = g_strdup_printf("device_%s", device->element.name);
1809         if (identifier == NULL)
1810                 goto done;
1811
1812         g_key_file_set_boolean(keyfile, identifier,
1813                                         "Powered", device->powered_persistent);
1814
1815         switch (device->mode) {
1816         case CONNMAN_DEVICE_MODE_UNKNOWN:
1817                 break;
1818         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1819         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1820                 if (device->scan_interval > 0)
1821                         g_key_file_set_integer(keyfile, identifier,
1822                                         "ScanInterval", device->scan_interval);
1823                 break;
1824         }
1825
1826 done:
1827         g_free(identifier);
1828
1829         __connman_storage_close(ident, keyfile, TRUE);
1830
1831         return 0;
1832 }
1833
1834 static struct connman_storage device_storage = {
1835         .name           = "device",
1836         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1837         .device_load    = device_load,
1838         .device_save    = device_save,
1839 };
1840
1841 int __connman_device_init(void)
1842 {
1843         DBG("");
1844
1845         connection = connman_dbus_get_connection();
1846
1847         if (connman_storage_register(&device_storage) < 0)
1848                 connman_error("Failed to register device storage");
1849
1850         return connman_driver_register(&device_driver);
1851 }
1852
1853 void __connman_device_cleanup(void)
1854 {
1855         DBG("");
1856
1857         connman_driver_unregister(&device_driver);
1858
1859         connman_storage_unregister(&device_storage);
1860
1861         dbus_connection_unref(connection);
1862 }