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_persistent;
  44         connman_bool_t carrier;
  45         connman_bool_t scanning;
  46         connman_bool_t disconnected;
  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         struct connman_ipconfig *ipconfig;
  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 reset_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         if (device->scan_interval > 0) {
  97                 guint interval = device->scan_interval;
  98                 device->scan_timeout = g_timeout_add_seconds(interval,
  99                                         device_scan_trigger, device);
 100         }
 101 }
 102
 103 static const char *type2description(enum connman_device_type type)
 104 {
 105         switch (type) {
 106         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 107         case CONNMAN_DEVICE_TYPE_VENDOR:
 108                 break;
 109         case CONNMAN_DEVICE_TYPE_ETHERNET:
 110                 return "Ethernet";
 111         case CONNMAN_DEVICE_TYPE_WIFI:
 112                 return "Wireless";
 113         case CONNMAN_DEVICE_TYPE_WIMAX:
 114                 return "WiMAX";
 115         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 116                 return "Bluetooth";
 117         case CONNMAN_DEVICE_TYPE_GPS:
 118                 return "GPS";
 119         case CONNMAN_DEVICE_TYPE_MBM:
 120         case CONNMAN_DEVICE_TYPE_HSO:
 121         case CONNMAN_DEVICE_TYPE_NOZOMI:
 122         case CONNMAN_DEVICE_TYPE_HUAWEI:
 123         case CONNMAN_DEVICE_TYPE_NOVATEL:
 124                 return "Cellular";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static const char *type2string(enum connman_device_type type)
 131 {
 132         switch (type) {
 133         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 134         case CONNMAN_DEVICE_TYPE_VENDOR:
 135                 break;
 136         case CONNMAN_DEVICE_TYPE_ETHERNET:
 137                 return "ethernet";
 138         case CONNMAN_DEVICE_TYPE_WIFI:
 139                 return "wifi";
 140         case CONNMAN_DEVICE_TYPE_WIMAX:
 141                 return "wimax";
 142         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 143                 return "bluetooth";
 144         case CONNMAN_DEVICE_TYPE_GPS:
 145                 return "gps";
 146         case CONNMAN_DEVICE_TYPE_MBM:
 147         case CONNMAN_DEVICE_TYPE_HSO:
 148         case CONNMAN_DEVICE_TYPE_HUAWEI:
 149         case CONNMAN_DEVICE_TYPE_NOZOMI:
 150         case CONNMAN_DEVICE_TYPE_NOVATEL:
 151                 return "cellular";
 152         }
 153
 154         return NULL;
 155 }
 156
 157 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 158 {
 159         enum connman_device_type type = connman_device_get_type(device);
 160
 161         switch (type) {
 162         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 163         case CONNMAN_DEVICE_TYPE_VENDOR:
 164         case CONNMAN_DEVICE_TYPE_GPS:
 165         case CONNMAN_DEVICE_TYPE_NOZOMI:
 166         case CONNMAN_DEVICE_TYPE_HUAWEI:
 167         case CONNMAN_DEVICE_TYPE_NOVATEL:
 168                 break;
 169         case CONNMAN_DEVICE_TYPE_ETHERNET:
 170                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 171         case CONNMAN_DEVICE_TYPE_WIFI:
 172                 return CONNMAN_SERVICE_TYPE_WIFI;
 173         case CONNMAN_DEVICE_TYPE_WIMAX:
 174                 return CONNMAN_SERVICE_TYPE_WIMAX;
 175         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 176                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 177         case CONNMAN_DEVICE_TYPE_MBM:
 178         case CONNMAN_DEVICE_TYPE_HSO:
 179                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 180         }
 181
 182         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 183 }
 184
 185 static int set_connected(struct connman_device *device,
 186                                                 connman_bool_t connected)
 187 {
 188         if (connected == TRUE) {
 189                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 190                 struct connman_element *element;
 191
 192                 device->disconnected = TRUE;
 193
 194                 switch (device->element.ipv4.method) {
 195                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 196                 case CONNMAN_IPCONFIG_METHOD_OFF:
 197                         return 0;
 198                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 199                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 200                         break;
 201                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 202                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 203                         break;
 204                 }
 205
 206                 element = connman_element_create(NULL);
 207                 if (element != NULL) {
 208                         struct connman_service *service;
 209
 210                         element->type  = type;
 211                         element->index = device->element.index;
 212
 213                         if (connman_element_register(element,
 214                                                         &device->element) < 0)
 215                                 connman_element_unref(element);
 216
 217                         device->disconnected = FALSE;
 218
 219                         service = __connman_service_lookup_from_device(device);
 220                         __connman_service_indicate_state(service,
 221                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 222                 }
 223         } else {
 224                 struct connman_service *service;
 225
 226                 connman_element_unregister_children(&device->element);
 227
 228                 device->disconnected = TRUE;
 229
 230                 service = __connman_service_lookup_from_device(device);
 231                 __connman_service_indicate_state(service,
 232                                         CONNMAN_SERVICE_STATE_IDLE);
 233         }
 234
 235         if (connected == TRUE) {
 236                 enum connman_service_type type;
 237
 238                 type = __connman_device_get_service_type(device);
 239                 __connman_notifier_connect(type);
 240         } else {
 241                 enum connman_service_type type;
 242
 243                 type = __connman_device_get_service_type(device);
 244                 __connman_notifier_disconnect(type);
 245         }
 246
 247         return 0;
 248 }
 249
 250 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 251 {
 252         struct connman_service *service;
 253
 254         if (carrier == TRUE)
 255                 __connman_profile_add_device(device);
 256         else
 257                 __connman_profile_remove_device(device);
 258
 259         service = __connman_service_lookup_from_device(device);
 260         __connman_service_set_carrier(service, carrier);
 261
 262         return set_connected(device, carrier);
 263 }
 264
 265 static int powered_changed(struct connman_device *device)
 266 {
 267         DBusMessage *signal;
 268         DBusMessageIter entry, value;
 269         const char *key = "Powered";
 270
 271         signal = dbus_message_new_signal(device->element.path,
 272                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 273         if (signal == NULL)
 274                 return -ENOMEM;
 275
 276         dbus_message_iter_init_append(signal, &entry);
 277
 278         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 279
 280         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 281                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 282         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 283                                                         &device->powered);
 284         dbus_message_iter_close_container(&entry, &value);
 285
 286         g_dbus_send_message(connection, signal);
 287
 288         return 0;
 289 }
 290
 291 static int set_powered(struct connman_device *device, connman_bool_t powered)
 292 {
 293         struct connman_device_driver *driver = device->driver;
 294         enum connman_service_type type;
 295         int err;
 296
 297         DBG("device %p powered %d", device, powered);
 298
 299         if (device->powered == powered)
 300                 return -EALREADY;
 301
 302         if (!driver)
 303                 return -EINVAL;
 304
 305         type = __connman_device_get_service_type(device);
 306
 307         if (powered == TRUE) {
 308                 if (driver->enable) {
 309                         err = driver->enable(device);
 310                         if (err == 0)
 311                                 __connman_notifier_enable(type);
 312                 } else
 313                         err = -EINVAL;
 314         } else {
 315                 g_hash_table_remove_all(device->networks);
 316
 317                 set_carrier(device, FALSE);
 318
 319                 if (driver->disable) {
 320                         err = driver->disable(device);
 321                         if (err == 0)
 322                                 __connman_notifier_disable(type);
 323                 } else
 324                         err = -EINVAL;
 325         }
 326
 327         if (err == 0) {
 328                 device->powered = powered;
 329                 powered_changed(device);
 330         }
 331
 332         return err;
 333 }
 334
 335 static void append_path(gpointer key, gpointer value, gpointer user_data)
 336 {
 337         struct connman_element *element = value;
 338         DBusMessageIter *iter = user_data;
 339
 340         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 341                                                         &element->path);
 342 }
 343
 344 static void append_networks(struct connman_device *device,
 345                                                 DBusMessageIter *entry)
 346 {
 347         DBusMessageIter value, iter;
 348         const char *key = "Networks";
 349
 350         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 351
 352         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 353                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 354                                                                 &value);
 355
 356         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 357                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 358         g_hash_table_foreach(device->networks, append_path, &iter);
 359         dbus_message_iter_close_container(&value, &iter);
 360
 361         dbus_message_iter_close_container(entry, &value);
 362 }
 363
 364 static DBusMessage *get_properties(DBusConnection *conn,
 365                                         DBusMessage *msg, void *data)
 366 {
 367         struct connman_device *device = data;
 368         DBusMessage *reply;
 369         DBusMessageIter array, dict, entry;
 370         const char *str;
 371
 372         DBG("conn %p", conn);
 373
 374         if (__connman_security_check_privilege(msg,
 375                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 376                 return __connman_error_permission_denied(msg);
 377
 378         reply = dbus_message_new_method_return(msg);
 379         if (reply == NULL)
 380                 return NULL;
 381
 382         dbus_message_iter_init_append(reply, &array);
 383
 384         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 385                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 386                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 387                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 388
 389         if (device->name != NULL)
 390                 connman_dbus_dict_append_variant(&dict, "Name",
 391                                         DBUS_TYPE_STRING, &device->name);
 392
 393         str = type2string(device->type);
 394         if (str != NULL)
 395                 connman_dbus_dict_append_variant(&dict, "Type",
 396                                                 DBUS_TYPE_STRING, &str);
 397
 398         if (device->address != NULL)
 399                 connman_dbus_dict_append_variant(&dict, "Address",
 400                                         DBUS_TYPE_STRING, &device->address);
 401
 402         if (device->interface != NULL)
 403                 connman_dbus_dict_append_variant(&dict, "Interface",
 404                                         DBUS_TYPE_STRING, &device->interface);
 405
 406         connman_dbus_dict_append_variant(&dict, "Powered",
 407                                         DBUS_TYPE_BOOLEAN, &device->powered);
 408
 409         if (device->driver && device->driver->scan)
 410                 connman_dbus_dict_append_variant(&dict, "Scanning",
 411                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 412
 413         switch (device->mode) {
 414         case CONNMAN_DEVICE_MODE_UNKNOWN:
 415                 break;
 416         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 417                 __connman_element_append_ipv4(&device->element, &dict);
 418                 break;
 419         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 420         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 421                 if (device->scan_interval > 0)
 422                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 423                                 DBUS_TYPE_UINT16, &device->scan_interval);
 424
 425                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 426                                                                 NULL, &entry);
 427                 append_networks(device, &entry);
 428                 dbus_message_iter_close_container(&dict, &entry);
 429                 break;
 430         }
 431
 432         dbus_message_iter_close_container(&array, &dict);
 433
 434         return reply;
 435 }
 436
 437 static gboolean powered_timeout(gpointer user_data)
 438 {
 439         struct connman_device *device = user_data;
 440
 441         DBG("device %p", device);
 442
 443         device->timeout = 0;
 444
 445         if (device->pending != NULL) {
 446                 DBusMessage *reply;
 447
 448                 reply = __connman_error_operation_timeout(device->pending);
 449                 if (reply != NULL)
 450                         g_dbus_send_message(connection, reply);
 451
 452                 dbus_message_unref(device->pending);
 453                 device->pending = NULL;
 454         }
 455
 456         return FALSE;
 457 }
 458
 459 static DBusMessage *set_property(DBusConnection *conn,
 460                                         DBusMessage *msg, void *data)
 461 {
 462         struct connman_device *device = data;
 463         DBusMessageIter iter, value;
 464         const char *name;
 465         int type;
 466
 467         DBG("conn %p", conn);
 468
 469         if (dbus_message_iter_init(msg, &iter) == FALSE)
 470                 return __connman_error_invalid_arguments(msg);
 471
 472         dbus_message_iter_get_basic(&iter, &name);
 473         dbus_message_iter_next(&iter);
 474         dbus_message_iter_recurse(&iter, &value);
 475
 476         if (__connman_security_check_privilege(msg,
 477                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 478                 return __connman_error_permission_denied(msg);
 479
 480         type = dbus_message_iter_get_arg_type(&value);
 481
 482         if (g_str_equal(name, "Powered") == TRUE) {
 483                 connman_bool_t powered;
 484                 int err;
 485
 486                 if (type != DBUS_TYPE_BOOLEAN)
 487                         return __connman_error_invalid_arguments(msg);
 488
 489                 dbus_message_iter_get_basic(&value, &powered);
 490
 491                 device->powered_persistent = powered;
 492
 493                 __connman_storage_save_device(device);
 494
 495                 if (device->powered == powered)
 496                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 497
 498                 if (device->pending != NULL)
 499                         return __connman_error_in_progress(msg);
 500
 501                 err = set_powered(device, powered);
 502                 if (err < 0) {
 503                         if (err != -EINPROGRESS)
 504                                 return __connman_error_failed(msg, -err);
 505
 506                         device->pending = dbus_message_ref(msg);
 507
 508                         device->timeout = g_timeout_add_seconds(15,
 509                                                 powered_timeout, device);
 510
 511                         return NULL;
 512                 }
 513         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 514                 connman_uint16_t interval;
 515
 516                 switch (device->mode) {
 517                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 518                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 519                         return __connman_error_invalid_arguments(msg);
 520                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 521                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 522                         break;
 523                 }
 524
 525                 if (type != DBUS_TYPE_UINT16)
 526                         return __connman_error_invalid_arguments(msg);
 527
 528                 dbus_message_iter_get_basic(&value, &interval);
 529
 530                 if (device->scan_interval != interval) {
 531                         device->scan_interval = interval;
 532
 533                         __connman_storage_save_device(device);
 534
 535                         reset_scan_trigger(device);
 536                 }
 537         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 538                 int err;
 539
 540                 switch (device->mode) {
 541                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 542                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 543                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 544                         return __connman_error_invalid_arguments(msg);
 545                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 546                         break;
 547                 }
 548
 549                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 550                                                         name + 5, &value);
 551                 if (err < 0)
 552                         return __connman_error_failed(msg, -err);
 553         } else
 554                 return __connman_error_invalid_property(msg);
 555
 556         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 557 }
 558
 559 static DBusMessage *propose_scan(DBusConnection *conn,
 560                                         DBusMessage *msg, void *data)
 561 {
 562         struct connman_device *device = data;
 563         int err;
 564
 565         DBG("conn %p", conn);
 566
 567         switch (device->mode) {
 568         case CONNMAN_DEVICE_MODE_UNKNOWN:
 569         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 570                 return __connman_error_not_supported(msg);
 571         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 572         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 573                 break;
 574         }
 575
 576         err = __connman_device_scan(device);
 577         if (err < 0)
 578                 return __connman_error_failed(msg, -err);
 579
 580         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 581 }
 582
 583 static GDBusMethodTable device_methods[] = {
 584         { "GetProperties", "",      "a{sv}", get_properties },
 585         { "SetProperty",   "sv",    "",      set_property,
 586                                                 G_DBUS_METHOD_FLAG_ASYNC },
 587         { "ProposeScan",   "",      "",      propose_scan   },
 588         { },
 589 };
 590
 591 static GDBusSignalTable device_signals[] = {
 592         { "PropertyChanged", "sv" },
 593         { },
 594 };
 595
 596 static void append_devices(DBusMessageIter *entry)
 597 {
 598         DBusMessageIter value, iter;
 599         const char *key = "Devices";
 600
 601         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 602
 603         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 604                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 605                                                                 &value);
 606
 607         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 608                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 609         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 610         dbus_message_iter_close_container(&value, &iter);
 611
 612         dbus_message_iter_close_container(entry, &value);
 613 }
 614
 615 static void emit_devices_signal(void)
 616 {
 617         DBusMessage *signal;
 618         DBusMessageIter entry;
 619
 620         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 621                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 622         if (signal == NULL)
 623                 return;
 624
 625         dbus_message_iter_init_append(signal, &entry);
 626
 627         append_devices(&entry);
 628
 629         g_dbus_send_message(connection, signal);
 630 }
 631
 632 static int register_interface(struct connman_element *element)
 633 {
 634         struct connman_device *device = element->device;
 635
 636         DBG("element %p name %s", element, element->name);
 637
 638         if (g_dbus_register_interface(connection, element->path,
 639                                         CONNMAN_DEVICE_INTERFACE,
 640                                         device_methods, device_signals,
 641                                         NULL, device, NULL) == FALSE) {
 642                 connman_error("Failed to register %s device", element->path);
 643                 return -EIO;
 644         }
 645
 646         device->registered = TRUE;
 647
 648         emit_devices_signal();
 649
 650         return 0;
 651 }
 652
 653 static void unregister_interface(struct connman_element *element)
 654 {
 655         struct connman_device *device = element->device;
 656
 657         DBG("element %p name %s", element, element->name);
 658
 659         device->registered = FALSE;
 660
 661         emit_devices_signal();
 662
 663         g_dbus_unregister_interface(connection, element->path,
 664                                                 CONNMAN_DEVICE_INTERFACE);
 665 }
 666
 667 static int setup_device(struct connman_device *device)
 668 {
 669         int err;
 670
 671         DBG("device %p", device);
 672
 673         err = register_interface(&device->element);
 674         if (err < 0) {
 675                 if (device->driver->remove)
 676                         device->driver->remove(device);
 677                 device->driver = NULL;
 678                 return err;
 679         }
 680
 681         switch (device->mode) {
 682         case CONNMAN_DEVICE_MODE_UNKNOWN:
 683         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 684         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 685                 break;
 686         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 687                 if (device->carrier == TRUE && device->secondary == FALSE)
 688                         __connman_profile_add_device(device);
 689                 break;
 690         }
 691
 692         if (device->offlinemode == FALSE &&
 693                                 device->powered_persistent == TRUE)
 694                 __connman_device_enable(device);
 695
 696         return 0;
 697 }
 698
 699 static void probe_driver(struct connman_element *element, gpointer user_data)
 700 {
 701         struct connman_device_driver *driver = user_data;
 702
 703         DBG("element %p name %s", element, element->name);
 704
 705         if (element->device == NULL)
 706                 return;
 707
 708         if (element->device->driver != NULL)
 709                 return;
 710
 711         if (driver->type != element->device->type)
 712                 return;
 713
 714         if (driver->probe(element->device) < 0)
 715                 return;
 716
 717         element->device->driver = driver;
 718
 719         setup_device(element->device);
 720 }
 721
 722 static void remove_device(struct connman_device *device)
 723 {
 724         DBG("device %p", device);
 725
 726         __connman_device_disable(device);
 727
 728         switch (device->mode) {
 729         case CONNMAN_DEVICE_MODE_UNKNOWN:
 730         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 731         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 732                 break;
 733         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 734                 if (device->secondary == FALSE)
 735                         __connman_profile_remove_device(device);
 736                 break;
 737         }
 738
 739         unregister_interface(&device->element);
 740
 741         if (device->driver->remove)
 742                 device->driver->remove(device);
 743
 744         device->driver = NULL;
 745 }
 746
 747 static void remove_driver(struct connman_element *element, gpointer user_data)
 748 {
 749         struct connman_device_driver *driver = user_data;
 750
 751         DBG("element %p name %s", element, element->name);
 752
 753         if (element->device == NULL)
 754                 return;
 755
 756         if (element->device->driver == driver)
 757                 remove_device(element->device);
 758 }
 759
 760 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 761 {
 762         if (device == NULL || device->driver == NULL)
 763                 return FALSE;
 764
 765         return device->registered;
 766 }
 767
 768 static GSList *driver_list = NULL;
 769
 770 static gint compare_priority(gconstpointer a, gconstpointer b)
 771 {
 772         const struct connman_device_driver *driver1 = a;
 773         const struct connman_device_driver *driver2 = b;
 774
 775         return driver2->priority - driver1->priority;
 776 }
 777
 778 /**
 779  * connman_device_driver_register:
 780  * @driver: device driver definition
 781  *
 782  * Register a new device driver
 783  *
 784  * Returns: %0 on success
 785  */
 786 int connman_device_driver_register(struct connman_device_driver *driver)
 787 {
 788         DBG("driver %p name %s", driver, driver->name);
 789
 790         driver_list = g_slist_insert_sorted(driver_list, driver,
 791                                                         compare_priority);
 792
 793         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 794                                                 probe_driver, driver);
 795
 796         return 0;
 797 }
 798
 799 /**
 800  * connman_device_driver_unregister:
 801  * @driver: device driver definition
 802  *
 803  * Remove a previously registered device driver
 804  */
 805 void connman_device_driver_unregister(struct connman_device_driver *driver)
 806 {
 807         DBG("driver %p name %s", driver, driver->name);
 808
 809         driver_list = g_slist_remove(driver_list, driver);
 810
 811         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 812                                                 remove_driver, driver);
 813 }
 814
 815 static void unregister_network(gpointer data)
 816 {
 817         struct connman_network *network = data;
 818
 819         DBG("network %p", network);
 820
 821         connman_element_unregister((struct connman_element *) network);
 822
 823         connman_network_unref(network);
 824 }
 825
 826 static void device_destruct(struct connman_element *element)
 827 {
 828         struct connman_device *device = element->device;
 829
 830         DBG("element %p name %s", element, element->name);
 831
 832         if (device->timeout > 0) {
 833                 g_source_remove(device->timeout);
 834                 device->timeout = 0;
 835         }
 836
 837         if (device->pending != NULL) {
 838                 dbus_message_unref(device->pending);
 839                 device->pending = NULL;
 840         }
 841
 842         g_free(device->ident);
 843         g_free(device->node);
 844         g_free(device->name);
 845         g_free(device->address);
 846         g_free(device->control);
 847         g_free(device->interface);
 848
 849         connman_ipconfig_unref(device->ipconfig);
 850
 851         g_free(device->last_network);
 852
 853         g_hash_table_destroy(device->networks);
 854         device->networks = NULL;
 855 }
 856
 857 /**
 858  * connman_device_create:
 859  * @node: device node name (for example an address)
 860  * @type: device type
 861  *
 862  * Allocate a new device of given #type and assign the #node name to it.
 863  *
 864  * Returns: a newly-allocated #connman_device structure
 865  */
 866 struct connman_device *connman_device_create(const char *node,
 867                                                 enum connman_device_type type)
 868 {
 869         struct connman_device *device;
 870         const char *str;
 871
 872         DBG("node %s type %d", node, type);
 873
 874         device = g_try_new0(struct connman_device, 1);
 875         if (device == NULL)
 876                 return NULL;
 877
 878         DBG("device %p", device);
 879
 880         __connman_element_initialize(&device->element);
 881
 882         device->element.name = g_strdup(node);
 883         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 884
 885         device->element.device = device;
 886         device->element.destruct = device_destruct;
 887
 888         str = type2string(type);
 889         if (str != NULL)
 890                 connman_element_set_string(&device->element,
 891                                         CONNMAN_PROPERTY_ID_TYPE, str);
 892
 893         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 894
 895         device->type      = type;
 896         device->name      = g_strdup(type2description(device->type));
 897         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 898         device->secondary = FALSE;
 899
 900         device->powered_persistent = TRUE;
 901
 902         device->phyindex = -1;
 903
 904         switch (type) {
 905         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 906         case CONNMAN_DEVICE_TYPE_VENDOR:
 907                 device->scan_interval = 0;
 908                 break;
 909         case CONNMAN_DEVICE_TYPE_ETHERNET:
 910         case CONNMAN_DEVICE_TYPE_WIFI:
 911                 device->scan_interval = 300;
 912                 break;
 913         case CONNMAN_DEVICE_TYPE_WIMAX:
 914                 device->scan_interval = 0;
 915                 break;
 916         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 917                 device->scan_interval = 0;
 918                 break;
 919         case CONNMAN_DEVICE_TYPE_GPS:
 920                 device->scan_interval = 0;
 921                 break;
 922         case CONNMAN_DEVICE_TYPE_MBM:
 923         case CONNMAN_DEVICE_TYPE_HSO:
 924         case CONNMAN_DEVICE_TYPE_NOZOMI:
 925         case CONNMAN_DEVICE_TYPE_HUAWEI:
 926         case CONNMAN_DEVICE_TYPE_NOVATEL:
 927                 device->scan_interval = 0;
 928                 break;
 929         }
 930
 931         device->ipconfig = connman_ipconfig_create();
 932         if (device->ipconfig == NULL) {
 933                 connman_device_unref(device);
 934                 return NULL;
 935         }
 936
 937         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 938                                                 g_free, unregister_network);
 939
 940         return device;
 941 }
 942
 943 /**
 944  * connman_device_ref:
 945  * @device: device structure
 946  *
 947  * Increase reference counter of device
 948  */
 949 struct connman_device *connman_device_ref(struct connman_device *device)
 950 {
 951         if (connman_element_ref(&device->element) == NULL)
 952                 return NULL;
 953
 954         return device;
 955 }
 956
 957 /**
 958  * connman_device_unref:
 959  * @device: device structure
 960  *
 961  * Decrease reference counter of device
 962  */
 963 void connman_device_unref(struct connman_device *device)
 964 {
 965         connman_element_unref(&device->element);
 966 }
 967
 968 const char *__connman_device_get_type(struct connman_device *device)
 969 {
 970         return type2string(device->type);
 971 }
 972
 973 /**
 974  * connman_device_get_type:
 975  * @device: device structure
 976  *
 977  * Get type of device
 978  */
 979 enum connman_device_type connman_device_get_type(struct connman_device *device)
 980 {
 981         return device->type;
 982 }
 983
 984 /**
 985  * connman_device_get_name:
 986  * @device: device structure
 987  *
 988  * Get unique name of device
 989  */
 990 const char *connman_device_get_name(struct connman_device *device)
 991 {
 992         return device->element.name;
 993 }
 994
 995 /**
 996  * connman_device_get_path:
 997  * @device: device structure
 998  *
 999  * Get path name of device
1000  */
1001 const char *connman_device_get_path(struct connman_device *device)
1002 {
1003         return device->element.path;
1004 }
1005
1006 /**
1007  * connman_device_set_index:
1008  * @device: device structure
1009  * @index: index number
1010  *
1011  * Set index number of device
1012  */
1013 void connman_device_set_index(struct connman_device *device, int index)
1014 {
1015         device->element.index = index;
1016 }
1017
1018 /**
1019  * connman_device_get_index:
1020  * @device: device structure
1021  *
1022  * Get index number of device
1023  */
1024 int connman_device_get_index(struct connman_device *device)
1025 {
1026         return device->element.index;
1027 }
1028
1029 int __connman_device_get_phyindex(struct connman_device *device)
1030 {
1031         return device->phyindex;
1032 }
1033
1034 void __connman_device_set_phyindex(struct connman_device *device,
1035                                                         int phyindex)
1036 {
1037         device->phyindex = phyindex;
1038 }
1039
1040 /**
1041  * connman_device_set_interface:
1042  * @device: device structure
1043  * @interface: interface name
1044  * @control: control interface
1045  *
1046  * Set interface name of device
1047  */
1048 void connman_device_set_interface(struct connman_device *device,
1049                                 const char *interface, const char *control)
1050 {
1051         g_free(device->element.devname);
1052         device->element.devname = g_strdup(interface);
1053
1054         g_free(device->interface);
1055         device->interface = g_strdup(interface);
1056
1057         g_free(device->control);
1058         device->control = g_strdup(control);
1059
1060         if (device->name == NULL) {
1061                 const char *str = type2description(device->type);
1062                 if (str != NULL && device->interface != NULL)
1063                         device->name = g_strdup_printf("%s (%s)", str,
1064                                                         device->interface);
1065         }
1066 }
1067
1068 const char *connman_device_get_control(struct connman_device *device)
1069 {
1070         return device->control;
1071 }
1072
1073 /**
1074  * connman_device_set_ident:
1075  * @device: device structure
1076  * @ident: unique identifier
1077  *
1078  * Set unique identifier of device
1079  */
1080 void connman_device_set_ident(struct connman_device *device,
1081                                                         const char *ident)
1082 {
1083         g_free(device->ident);
1084         device->ident = g_strdup(ident);
1085 }
1086
1087 const char *__connman_device_get_ident(struct connman_device *device)
1088 {
1089         return device->ident;
1090 }
1091
1092 /**
1093  * connman_device_set_mode:
1094  * @device: device structure
1095  * @mode: network mode
1096  *
1097  * Change network mode of device
1098  */
1099 void connman_device_set_mode(struct connman_device *device,
1100                                                 enum connman_device_mode mode)
1101 {
1102         device->mode = mode;
1103 }
1104
1105 /**
1106  * connman_device_get_mode:
1107  * @device: device structure
1108  *
1109  * Get network mode of device
1110  */
1111 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1112 {
1113         return device->mode;
1114 }
1115
1116 /**
1117  * connman_device_set_secondary:
1118  * @device: device structure
1119  * @secondary: secondary value
1120  *
1121  * Change secondary value of device
1122  */
1123 void connman_device_set_secondary(struct connman_device *device,
1124                                                 connman_bool_t secondary)
1125 {
1126         device->secondary = secondary;
1127 }
1128
1129 /**
1130  * connman_device_get_secondary:
1131  * @device: device structure
1132  *
1133  * Get secondary value of device
1134  */
1135 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1136 {
1137         return device->secondary;
1138 }
1139
1140 /**
1141  * connman_device_set_powered:
1142  * @device: device structure
1143  * @powered: powered state
1144  *
1145  * Change power state of device
1146  */
1147 int connman_device_set_powered(struct connman_device *device,
1148                                                 connman_bool_t powered)
1149 {
1150         enum connman_service_type type;
1151
1152         DBG("driver %p powered %d", device, powered);
1153
1154         if (device->timeout > 0) {
1155                 g_source_remove(device->timeout);
1156                 device->timeout = 0;
1157         }
1158
1159         if (device->pending != NULL) {
1160                 g_dbus_send_reply(connection, device->pending,
1161                                                         DBUS_TYPE_INVALID);
1162
1163                 dbus_message_unref(device->pending);
1164                 device->pending = NULL;
1165         }
1166
1167         if (device->powered == powered)
1168                 return -EALREADY;
1169
1170         device->powered = powered;
1171
1172         type = __connman_device_get_service_type(device);
1173
1174         if (device->powered == TRUE)
1175                 __connman_notifier_enable(type);
1176         else
1177                 __connman_notifier_disable(type);
1178
1179         if (device->registered == FALSE)
1180                 return 0;
1181
1182         powered_changed(device);
1183
1184         if (powered == FALSE)
1185                 return 0;
1186
1187         reset_scan_trigger(device);
1188
1189         if (device->driver->scan)
1190                 device->driver->scan(device);
1191
1192         return 0;
1193 }
1194
1195 int __connman_device_set_blocked(struct connman_device *device,
1196                                                 connman_bool_t blocked)
1197 {
1198         connman_bool_t powered;
1199
1200         DBG("device %p blocked %d", device, blocked);
1201
1202         if (device->blocked == blocked)
1203                 return -EALREADY;
1204
1205         device->blocked = blocked;
1206
1207         if (device->offlinemode == TRUE)
1208                 return 0;
1209
1210         if (blocked == FALSE)
1211                 powered = device->powered_persistent;
1212         else
1213                 powered = FALSE;
1214
1215         return set_powered(device, powered);
1216 }
1217
1218 /**
1219  * connman_device_set_carrier:
1220  * @device: device structure
1221  * @carrier: carrier state
1222  *
1223  * Change carrier state of device (only for device without scanning)
1224  */
1225 int connman_device_set_carrier(struct connman_device *device,
1226                                                 connman_bool_t carrier)
1227 {
1228         DBG("device %p carrier %d", device, carrier);
1229
1230         switch (device->mode) {
1231         case CONNMAN_DEVICE_MODE_UNKNOWN:
1232         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1233         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1234                 return -EINVAL;
1235         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1236                 break;
1237         }
1238
1239         if (device->carrier == carrier)
1240                 return -EALREADY;
1241
1242         device->carrier = carrier;
1243
1244         return set_carrier(device, device->carrier);
1245 }
1246
1247 int __connman_device_scan(struct connman_device *device)
1248 {
1249         if (!device->driver || !device->driver->scan)
1250                 return -EOPNOTSUPP;
1251
1252         if (device->powered == FALSE)
1253                 return -ENOLINK;
1254
1255         return device->driver->scan(device);
1256 }
1257
1258 int __connman_device_enable(struct connman_device *device)
1259 {
1260         enum connman_service_type type;
1261         int err;
1262
1263         DBG("device %p", device);
1264
1265         if (!device->driver || !device->driver->enable)
1266                 return -EOPNOTSUPP;
1267
1268         if (device->powered == TRUE)
1269                 return -EALREADY;
1270
1271         err = device->driver->enable(device);
1272         if (err < 0)
1273                 return err;
1274
1275         device->powered = TRUE;
1276
1277         type = __connman_device_get_service_type(device);
1278         __connman_notifier_enable(type);
1279
1280         return 0;
1281 }
1282
1283 int __connman_device_enable_persistent(struct connman_device *device)
1284 {
1285         DBG("device %p", device);
1286
1287         device->powered_persistent = TRUE;
1288
1289         __connman_storage_save_device(device);
1290
1291         return __connman_device_enable(device);
1292 }
1293
1294 int __connman_device_disable(struct connman_device *device)
1295 {
1296         enum connman_service_type type;
1297         int err;
1298
1299         DBG("device %p", device);
1300
1301         if (!device->driver || !device->driver->disable)
1302                 return -EOPNOTSUPP;
1303
1304         if (device->powered == FALSE)
1305                 return -ENOLINK;
1306
1307         g_hash_table_remove_all(device->networks);
1308
1309         err = device->driver->disable(device);
1310         if (err < 0)
1311                 return err;
1312
1313         device->powered = FALSE;
1314
1315         type = __connman_device_get_service_type(device);
1316         __connman_notifier_disable(type);
1317
1318         return 0;
1319 }
1320
1321 int __connman_device_disable_persistent(struct connman_device *device)
1322 {
1323         DBG("device %p", device);
1324
1325         device->powered_persistent = FALSE;
1326
1327         __connman_storage_save_device(device);
1328
1329         return __connman_device_disable(device);
1330 }
1331
1332 int __connman_device_connect(struct connman_device *device)
1333 {
1334         DBG("device %p", device);
1335
1336         if (device->disconnected == FALSE)
1337                 return -EINVAL;
1338
1339         if (device->driver && device->driver->connect)
1340                 device->driver->connect(device);
1341
1342         return 0;
1343 }
1344
1345 int __connman_device_disconnect(struct connman_device *device)
1346 {
1347         GHashTableIter iter;
1348         gpointer key, value;
1349
1350         DBG("device %p", device);
1351
1352         connman_device_set_disconnected(device, TRUE);
1353
1354         g_hash_table_iter_init(&iter, device->networks);
1355
1356         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1357                 struct connman_network *network = value;
1358
1359                 __connman_network_disconnect(network);
1360         }
1361
1362         if (device->driver && device->driver->disconnect)
1363                 device->driver->disconnect(device);
1364
1365         return 0;
1366 }
1367
1368 static void mark_network_unavailable(gpointer key, gpointer value,
1369                                                         gpointer user_data)
1370 {
1371         struct connman_network *network = value;
1372
1373         if (connman_network_get_connected(network) == TRUE)
1374                 return;
1375
1376         connman_network_set_available(network, FALSE);
1377 }
1378
1379 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1380                                                         gpointer user_data)
1381 {
1382         struct connman_network *network = value;
1383
1384         if (connman_network_get_connected(network) == TRUE)
1385                 return FALSE;
1386
1387         if (connman_network_get_available(network) == TRUE)
1388                 return FALSE;
1389
1390         return TRUE;
1391 }
1392
1393 void __connman_device_cleanup_networks(struct connman_device *device)
1394 {
1395         g_hash_table_foreach_remove(device->networks,
1396                                         remove_unavailable_network, NULL);
1397 }
1398
1399 /**
1400  * connman_device_set_scanning:
1401  * @device: device structure
1402  * @scanning: scanning state
1403  *
1404  * Change scanning state of device
1405  */
1406 int connman_device_set_scanning(struct connman_device *device,
1407                                                 connman_bool_t scanning)
1408 {
1409         DBusMessage *signal;
1410         DBusMessageIter entry, value;
1411         const char *key = "Scanning";
1412
1413         DBG("device %p scanning %d", device, scanning);
1414
1415         if (!device->driver || !device->driver->scan)
1416                 return -EINVAL;
1417
1418         if (device->scanning == scanning)
1419                 return -EALREADY;
1420
1421         device->scanning = scanning;
1422
1423         signal = dbus_message_new_signal(device->element.path,
1424                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1425         if (signal == NULL)
1426                 return 0;
1427
1428         dbus_message_iter_init_append(signal, &entry);
1429
1430         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1431
1432         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1433                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1434         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1435         dbus_message_iter_close_container(&entry, &value);
1436
1437         g_dbus_send_message(connection, signal);
1438
1439         if (scanning == TRUE) {
1440                 reset_scan_trigger(device);
1441
1442                 g_hash_table_foreach(device->networks,
1443                                         mark_network_unavailable, NULL);
1444
1445                 return 0;
1446         }
1447
1448         __connman_device_cleanup_networks(device);
1449
1450         if (device->connections > 0)
1451                 return 0;
1452
1453         if (device->disconnected == TRUE)
1454                 return 0;
1455
1456         __connman_service_auto_connect();
1457
1458         return 0;
1459 }
1460
1461 /**
1462  * connman_device_set_disconnected:
1463  * @device: device structure
1464  * @disconnected: disconnected state
1465  *
1466  * Change disconnected state of device (only for device with networks)
1467  */
1468 int connman_device_set_disconnected(struct connman_device *device,
1469                                                 connman_bool_t disconnected)
1470 {
1471         DBG("device %p disconnected %d", device, disconnected);
1472
1473         switch (device->mode) {
1474         case CONNMAN_DEVICE_MODE_UNKNOWN:
1475         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1476                 return -EINVAL;
1477         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1478         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1479                 break;
1480         }
1481
1482         if (device->disconnected == disconnected)
1483                 return -EALREADY;
1484
1485         device->disconnected = disconnected;
1486
1487         return 0;
1488 }
1489
1490 /**
1491  * connman_device_get_disconnected:
1492  * @device: device structure
1493  *
1494  * Get device disconnected state
1495  */
1496 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1497 {
1498         return device->disconnected;
1499 }
1500
1501 /**
1502  * connman_device_set_connected:
1503  * @device: device structure
1504  * @connected: connected state
1505  *
1506  * Change connected state of device (for Ethernet like devices)
1507  */
1508 int connman_device_set_connected(struct connman_device *device,
1509                                                 connman_bool_t connected)
1510 {
1511         DBG("device %p connected %d", device, connected);
1512
1513         switch (device->mode) {
1514         case CONNMAN_DEVICE_MODE_UNKNOWN:
1515         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1516         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1517                 return -EINVAL;
1518         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1519                 break;
1520         }
1521
1522         if (device->carrier == FALSE)
1523                 return -ENOTCONN;
1524
1525         return set_connected(device, connected);
1526 }
1527
1528 /**
1529  * connman_device_set_string:
1530  * @device: device structure
1531  * @key: unique identifier
1532  * @value: string value
1533  *
1534  * Set string value for specific key
1535  */
1536 int connman_device_set_string(struct connman_device *device,
1537                                         const char *key, const char *value)
1538 {
1539         DBG("device %p key %s value %s", device, key, value);
1540
1541         if (g_str_equal(key, "Address") == TRUE) {
1542                 g_free(device->address);
1543                 device->address = g_strdup(value);
1544         } else if (g_str_equal(key, "Name") == TRUE) {
1545                 g_free(device->name);
1546                 device->name = g_strdup(value);
1547         } else if (g_str_equal(key, "Node") == TRUE) {
1548                 g_free(device->node);
1549                 device->node = g_strdup(value);
1550         }
1551
1552         return connman_element_set_string(&device->element, key, value);
1553 }
1554
1555 /**
1556  * connman_device_get_string:
1557  * @device: device structure
1558  * @key: unique identifier
1559  *
1560  * Get string value for specific key
1561  */
1562 const char *connman_device_get_string(struct connman_device *device,
1563                                                         const char *key)
1564 {
1565         DBG("device %p key %s", device, key);
1566
1567         if (g_str_equal(key, "Address") == TRUE)
1568                 return device->address;
1569         else if (g_str_equal(key, "Name") == TRUE)
1570                 return device->name;
1571         else if (g_str_equal(key, "Node") == TRUE)
1572                 return device->node;
1573
1574         return connman_element_get_string(&device->element, key);
1575 }
1576
1577 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1578 {
1579         struct connman_device *device = element->device;
1580         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1581         connman_bool_t powered;
1582
1583         DBG("element %p name %s", element, element->name);
1584
1585         if (device == NULL)
1586                 return;
1587
1588         device->offlinemode = offlinemode;
1589
1590         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1591
1592         if (device->powered == powered)
1593                 return;
1594
1595         if (device->powered_persistent == FALSE)
1596                 powered = FALSE;
1597
1598         set_powered(device, powered);
1599 }
1600
1601 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1602 {
1603         DBG("offlinmode %d", offlinemode);
1604
1605         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1606                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1607
1608         __connman_notifier_offlinemode(offlinemode);
1609
1610         return 0;
1611 }
1612
1613 void __connman_device_increase_connections(struct connman_device *device)
1614 {
1615         enum connman_service_type type;
1616
1617         device->connections++;
1618
1619         type = __connman_device_get_service_type(device);
1620         __connman_notifier_connect(type);
1621 }
1622
1623 void __connman_device_decrease_connections(struct connman_device *device)
1624 {
1625         enum connman_service_type type;
1626
1627         device->connections--;
1628
1629         type = __connman_device_get_service_type(device);
1630         __connman_notifier_disconnect(type);
1631 }
1632
1633 /**
1634  * connman_device_add_network:
1635  * @device: device structure
1636  * @network: network structure
1637  *
1638  * Add new network to the device
1639  */
1640 int connman_device_add_network(struct connman_device *device,
1641                                         struct connman_network *network)
1642 {
1643         const char *identifier = connman_network_get_identifier(network);
1644         int err;
1645
1646         DBG("device %p network %p", device, network);
1647
1648         switch (device->mode) {
1649         case CONNMAN_DEVICE_MODE_UNKNOWN:
1650         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1651                 return -EINVAL;
1652         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1653         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1654                 break;
1655         }
1656
1657         __connman_network_set_device(network, device);
1658
1659         err = connman_element_register((struct connman_element *) network,
1660                                                         &device->element);
1661         if (err < 0) {
1662                 __connman_network_set_device(network, NULL);
1663                 return err;
1664         }
1665
1666         g_hash_table_insert(device->networks, g_strdup(identifier),
1667                                                                 network);
1668
1669         return 0;
1670 }
1671
1672 /**
1673  * connman_device_get_network:
1674  * @device: device structure
1675  * @identifier: network identifier
1676  *
1677  * Get network for given identifier
1678  */
1679 struct connman_network *connman_device_get_network(struct connman_device *device,
1680                                                         const char *identifier)
1681 {
1682         DBG("device %p identifier %s", device, identifier);
1683
1684         return g_hash_table_lookup(device->networks, identifier);
1685 }
1686
1687 /**
1688  * connman_device_remove_network:
1689  * @device: device structure
1690  * @identifier: network identifier
1691  *
1692  * Remove network for given identifier
1693  */
1694 int connman_device_remove_network(struct connman_device *device,
1695                                                         const char *identifier)
1696 {
1697         DBG("device %p identifier %s", device, identifier);
1698
1699         g_hash_table_remove(device->networks, identifier);
1700
1701         return 0;
1702 }
1703
1704 void __connman_device_set_network(struct connman_device *device,
1705                                         struct connman_network *network)
1706 {
1707         const char *name;
1708
1709         if (device->network == network)
1710                 return;
1711
1712         if (device->network != NULL)
1713                 connman_network_unref(device->network);
1714
1715         if (network != NULL) {
1716                 name = connman_network_get_string(network,
1717                                                 CONNMAN_PROPERTY_ID_NAME);
1718                 g_free(device->last_network);
1719                 device->last_network = g_strdup(name);
1720
1721                 device->network = connman_network_ref(network);
1722         } else {
1723                 g_free(device->last_network);
1724                 device->last_network = NULL;
1725
1726                 device->network = NULL;
1727         }
1728 }
1729
1730 /**
1731  * connman_device_register:
1732  * @device: device structure
1733  *
1734  * Register device with the system
1735  */
1736 int connman_device_register(struct connman_device *device)
1737 {
1738         enum connman_service_type type;
1739
1740         __connman_storage_load_device(device);
1741
1742         device->offlinemode = __connman_manager_get_offlinemode();
1743
1744         type = __connman_device_get_service_type(device);
1745         __connman_notifier_register(type);
1746
1747         return connman_element_register(&device->element, NULL);
1748 }
1749
1750 /**
1751  * connman_device_unregister:
1752  * @device: device structure
1753  *
1754  * Unregister device with the system
1755  */
1756 void connman_device_unregister(struct connman_device *device)
1757 {
1758         enum connman_service_type type;
1759
1760         __connman_storage_save_device(device);
1761
1762         type = __connman_device_get_service_type(device);
1763         __connman_notifier_unregister(type);
1764
1765         connman_element_unregister(&device->element);
1766 }
1767
1768 /**
1769  * connman_device_get_data:
1770  * @device: device structure
1771  *
1772  * Get private device data pointer
1773  */
1774 void *connman_device_get_data(struct connman_device *device)
1775 {
1776         return device->driver_data;
1777 }
1778
1779 /**
1780  * connman_device_set_data:
1781  * @device: device structure
1782  * @data: data pointer
1783  *
1784  * Set private device data pointer
1785  */
1786 void connman_device_set_data(struct connman_device *device, void *data)
1787 {
1788         device->driver_data = data;
1789 }
1790
1791 static gboolean match_driver(struct connman_device *device,
1792                                         struct connman_device_driver *driver)
1793 {
1794         if (device->type == driver->type ||
1795                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1796                 return TRUE;
1797
1798         return FALSE;
1799 }
1800
1801 static int device_probe(struct connman_element *element)
1802 {
1803         struct connman_device *device = element->device;
1804         GSList *list;
1805
1806         DBG("element %p name %s", element, element->name);
1807
1808         if (device == NULL)
1809                 return -ENODEV;
1810
1811         if (device->driver != NULL)
1812                 return -EALREADY;
1813
1814         for (list = driver_list; list; list = list->next) {
1815                 struct connman_device_driver *driver = list->data;
1816
1817                 if (match_driver(device, driver) == FALSE)
1818                         continue;
1819
1820                 DBG("driver %p name %s", driver, driver->name);
1821
1822                 if (driver->probe(device) == 0) {
1823                         device->driver = driver;
1824                         break;
1825                 }
1826         }
1827
1828         if (device->driver == NULL)
1829                 return -ENODEV;
1830
1831         return setup_device(device);
1832 }
1833
1834 static void device_remove(struct connman_element *element)
1835 {
1836         struct connman_device *device = element->device;
1837
1838         DBG("element %p name %s", element, element->name);
1839
1840         if (device == NULL)
1841                 return;
1842
1843         if (device->driver == NULL)
1844                 return;
1845
1846         remove_device(device);
1847 }
1848
1849 static struct connman_driver device_driver = {
1850         .name           = "device",
1851         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1852         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1853         .probe          = device_probe,
1854         .remove         = device_remove,
1855 };
1856
1857 static int device_load(struct connman_device *device)
1858 {
1859         GKeyFile *keyfile;
1860         GError *error = NULL;
1861         gchar *identifier;
1862         connman_bool_t powered;
1863         int val;
1864
1865         DBG("device %p", device);
1866
1867         keyfile = __connman_storage_open();
1868         if (keyfile == NULL)
1869                 return 0;
1870
1871         identifier = g_strdup_printf("device_%s", device->element.name);
1872         if (identifier == NULL)
1873                 goto done;
1874
1875         powered = g_key_file_get_boolean(keyfile, identifier,
1876                                                 "Powered", &error);
1877         if (error == NULL)
1878                 device->powered_persistent = powered;
1879         g_clear_error(&error);
1880
1881         switch (device->mode) {
1882         case CONNMAN_DEVICE_MODE_UNKNOWN:
1883         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1884                 break;
1885         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1886         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1887                 val = g_key_file_get_integer(keyfile, identifier,
1888                                                 "ScanInterval", &error);
1889                 if (error == NULL && val > 0)
1890                         device->scan_interval = val;
1891                 g_clear_error(&error);
1892                 break;
1893         }
1894
1895 done:
1896         g_free(identifier);
1897
1898         __connman_storage_close(keyfile, FALSE);
1899
1900         return 0;
1901 }
1902
1903 static int device_save(struct connman_device *device)
1904 {
1905         GKeyFile *keyfile;
1906         gchar *identifier;
1907
1908         DBG("device %p", device);
1909
1910         keyfile = __connman_storage_open();
1911         if (keyfile == NULL)
1912                 return 0;
1913
1914         identifier = g_strdup_printf("device_%s", device->element.name);
1915         if (identifier == NULL)
1916                 goto done;
1917
1918         g_key_file_set_boolean(keyfile, identifier,
1919                                         "Powered", device->powered_persistent);
1920
1921         switch (device->mode) {
1922         case CONNMAN_DEVICE_MODE_UNKNOWN:
1923         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1924                 break;
1925         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1926         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1927                 if (device->scan_interval > 0)
1928                         g_key_file_set_integer(keyfile, identifier,
1929                                         "ScanInterval", device->scan_interval);
1930                 break;
1931         }
1932
1933 done:
1934         g_free(identifier);
1935
1936         __connman_storage_close(keyfile, TRUE);
1937
1938         return 0;
1939 }
1940
1941 static struct connman_storage device_storage = {
1942         .name           = "device",
1943         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1944         .device_load    = device_load,
1945         .device_save    = device_save,
1946 };
1947
1948 int __connman_device_init(void)
1949 {
1950         DBG("");
1951
1952         connection = connman_dbus_get_connection();
1953
1954         if (connman_storage_register(&device_storage) < 0)
1955                 connman_error("Failed to register device storage");
1956
1957         return connman_driver_register(&device_driver);
1958 }
1959
1960 void __connman_device_cleanup(void)
1961 {
1962         DBG("");
1963
1964         connman_driver_unregister(&device_driver);
1965
1966         connman_storage_unregister(&device_storage);
1967
1968         dbus_connection_unref(connection);
1969 }