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 powered;
  42         connman_bool_t powered_persistent;
  43         connman_bool_t carrier;
  44         connman_bool_t scanning;
  45         connman_bool_t disconnected;
  46         connman_uint16_t scan_interval;
  47         char *name;
  48         char *node;
  49         char *address;
  50         char *interface;
  51         char *control;
  52         char *ident;
  53         int phyindex;
  54         unsigned int connections;
  55         guint scan_timeout;
  56         struct connman_ipconfig *ipconfig;
  57
  58         struct connman_device_driver *driver;
  59         void *driver_data;
  60
  61         connman_bool_t registered;
  62
  63         char *last_network;
  64         struct connman_network *network;
  65         GHashTable *networks;
  66
  67         DBusMessage *pending;
  68         guint timeout;
  69 };
  70
  71 static gboolean device_scan_trigger(gpointer user_data)
  72 {
  73         struct connman_device *device = user_data;
  74
  75         DBG("device %p", device);
  76
  77         if (device->driver == NULL) {
  78                 device->scan_timeout = 0;
  79                 return FALSE;
  80         }
  81
  82         if (device->driver->scan)
  83                 device->driver->scan(device);
  84
  85         return TRUE;
  86 }
  87
  88 static void reset_scan_trigger(struct connman_device *device)
  89 {
  90         if (device->scan_timeout > 0) {
  91                 g_source_remove(device->scan_timeout);
  92                 device->scan_timeout = 0;
  93         }
  94
  95         if (device->scan_interval > 0) {
  96                 guint interval = device->scan_interval;
  97                 device->scan_timeout = g_timeout_add_seconds(interval,
  98                                         device_scan_trigger, device);
  99         }
 100 }
 101
 102 static const char *type2description(enum connman_device_type type)
 103 {
 104         switch (type) {
 105         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 106         case CONNMAN_DEVICE_TYPE_VENDOR:
 107                 break;
 108         case CONNMAN_DEVICE_TYPE_ETHERNET:
 109                 return "Ethernet";
 110         case CONNMAN_DEVICE_TYPE_WIFI:
 111                 return "Wireless";
 112         case CONNMAN_DEVICE_TYPE_WIMAX:
 113                 return "WiMAX";
 114         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 115                 return "Bluetooth";
 116         case CONNMAN_DEVICE_TYPE_GPS:
 117                 return "GPS";
 118         case CONNMAN_DEVICE_TYPE_MBM:
 119         case CONNMAN_DEVICE_TYPE_HSO:
 120         case CONNMAN_DEVICE_TYPE_NOZOMI:
 121         case CONNMAN_DEVICE_TYPE_HUAWEI:
 122         case CONNMAN_DEVICE_TYPE_NOVATEL:
 123                 return "Cellular";
 124         }
 125
 126         return NULL;
 127 }
 128
 129 static const char *type2string(enum connman_device_type type)
 130 {
 131         switch (type) {
 132         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 133         case CONNMAN_DEVICE_TYPE_VENDOR:
 134                 break;
 135         case CONNMAN_DEVICE_TYPE_ETHERNET:
 136                 return "ethernet";
 137         case CONNMAN_DEVICE_TYPE_WIFI:
 138                 return "wifi";
 139         case CONNMAN_DEVICE_TYPE_WIMAX:
 140                 return "wimax";
 141         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 142                 return "bluetooth";
 143         case CONNMAN_DEVICE_TYPE_GPS:
 144                 return "gps";
 145         case CONNMAN_DEVICE_TYPE_MBM:
 146         case CONNMAN_DEVICE_TYPE_HSO:
 147         case CONNMAN_DEVICE_TYPE_HUAWEI:
 148         case CONNMAN_DEVICE_TYPE_NOZOMI:
 149         case CONNMAN_DEVICE_TYPE_NOVATEL:
 150                 return "cellular";
 151         }
 152
 153         return NULL;
 154 }
 155
 156 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 157 {
 158         enum connman_device_type type = connman_device_get_type(device);
 159
 160         switch (type) {
 161         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 162         case CONNMAN_DEVICE_TYPE_VENDOR:
 163         case CONNMAN_DEVICE_TYPE_GPS:
 164         case CONNMAN_DEVICE_TYPE_NOZOMI:
 165         case CONNMAN_DEVICE_TYPE_HUAWEI:
 166         case CONNMAN_DEVICE_TYPE_NOVATEL:
 167                 break;
 168         case CONNMAN_DEVICE_TYPE_ETHERNET:
 169                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 170         case CONNMAN_DEVICE_TYPE_WIFI:
 171                 return CONNMAN_SERVICE_TYPE_WIFI;
 172         case CONNMAN_DEVICE_TYPE_WIMAX:
 173                 return CONNMAN_SERVICE_TYPE_WIMAX;
 174         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 175                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 176         case CONNMAN_DEVICE_TYPE_MBM:
 177         case CONNMAN_DEVICE_TYPE_HSO:
 178                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 179         }
 180
 181         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 182 }
 183
 184 static int set_connected(struct connman_device *device,
 185                                                 connman_bool_t connected)
 186 {
 187         if (connected == TRUE) {
 188                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 189                 struct connman_element *element;
 190
 191                 device->disconnected = TRUE;
 192
 193                 switch (device->element.ipv4.method) {
 194                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 195                 case CONNMAN_IPCONFIG_METHOD_OFF:
 196                         return 0;
 197                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 198                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 199                         break;
 200                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 201                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 202                         break;
 203                 }
 204
 205                 element = connman_element_create(NULL);
 206                 if (element != NULL) {
 207                         struct connman_service *service;
 208
 209                         element->type  = type;
 210                         element->index = device->element.index;
 211
 212                         if (connman_element_register(element,
 213                                                         &device->element) < 0)
 214                                 connman_element_unref(element);
 215
 216                         device->disconnected = FALSE;
 217
 218                         service = __connman_service_lookup_from_device(device);
 219                         __connman_service_indicate_state(service,
 220                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 221                 }
 222         } else {
 223                 struct connman_service *service;
 224
 225                 connman_element_unregister_children(&device->element);
 226
 227                 device->disconnected = TRUE;
 228
 229                 service = __connman_service_lookup_from_device(device);
 230                 __connman_service_indicate_state(service,
 231                                         CONNMAN_SERVICE_STATE_IDLE);
 232         }
 233
 234         if (connected == TRUE) {
 235                 enum connman_service_type type;
 236
 237                 type = __connman_device_get_service_type(device);
 238                 __connman_notifier_connect(type);
 239         } else {
 240                 enum connman_service_type type;
 241
 242                 type = __connman_device_get_service_type(device);
 243                 __connman_notifier_disconnect(type);
 244         }
 245
 246         return 0;
 247 }
 248
 249 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 250 {
 251         struct connman_service *service;
 252
 253         if (carrier == TRUE)
 254                 __connman_profile_add_device(device);
 255         else
 256                 __connman_profile_remove_device(device);
 257
 258         service = __connman_service_lookup_from_device(device);
 259         __connman_service_set_carrier(service, carrier);
 260
 261         return set_connected(device, carrier);
 262 }
 263
 264 static int powered_changed(struct connman_device *device)
 265 {
 266         DBusMessage *signal;
 267         DBusMessageIter entry, value;
 268         const char *key = "Powered";
 269
 270         signal = dbus_message_new_signal(device->element.path,
 271                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 272         if (signal == NULL)
 273                 return -ENOMEM;
 274
 275         dbus_message_iter_init_append(signal, &entry);
 276
 277         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 278
 279         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 280                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 281         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 282                                                         &device->powered);
 283         dbus_message_iter_close_container(&entry, &value);
 284
 285         g_dbus_send_message(connection, signal);
 286
 287         return 0;
 288 }
 289
 290 static int set_powered(struct connman_device *device, connman_bool_t powered)
 291 {
 292         struct connman_device_driver *driver = device->driver;
 293         enum connman_service_type type;
 294         int err;
 295
 296         DBG("device %p powered %d", device, powered);
 297
 298         if (device->powered == powered)
 299                 return -EALREADY;
 300
 301         if (!driver)
 302                 return -EINVAL;
 303
 304         type = __connman_device_get_service_type(device);
 305
 306         if (powered == TRUE) {
 307                 if (driver->enable) {
 308                         err = driver->enable(device);
 309                         if (err == 0)
 310                                 __connman_notifier_enable(type);
 311                 } else
 312                         err = -EINVAL;
 313         } else {
 314                 g_hash_table_remove_all(device->networks);
 315
 316                 set_carrier(device, FALSE);
 317
 318                 if (driver->disable) {
 319                         err = driver->disable(device);
 320                         if (err == 0)
 321                                 __connman_notifier_disable(type);
 322                 } else
 323                         err = -EINVAL;
 324         }
 325
 326         if (err == 0) {
 327                 device->powered = powered;
 328                 powered_changed(device);
 329         }
 330
 331         return err;
 332 }
 333
 334 static void append_path(gpointer key, gpointer value, gpointer user_data)
 335 {
 336         struct connman_element *element = value;
 337         DBusMessageIter *iter = user_data;
 338
 339         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 340                                                         &element->path);
 341 }
 342
 343 static void append_networks(struct connman_device *device,
 344                                                 DBusMessageIter *entry)
 345 {
 346         DBusMessageIter value, iter;
 347         const char *key = "Networks";
 348
 349         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 350
 351         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 352                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 353                                                                 &value);
 354
 355         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 356                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 357         g_hash_table_foreach(device->networks, append_path, &iter);
 358         dbus_message_iter_close_container(&value, &iter);
 359
 360         dbus_message_iter_close_container(entry, &value);
 361 }
 362
 363 static DBusMessage *get_properties(DBusConnection *conn,
 364                                         DBusMessage *msg, void *data)
 365 {
 366         struct connman_device *device = data;
 367         DBusMessage *reply;
 368         DBusMessageIter array, dict, entry;
 369         const char *str;
 370
 371         DBG("conn %p", conn);
 372
 373         if (__connman_security_check_privilege(msg,
 374                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 375                 return __connman_error_permission_denied(msg);
 376
 377         reply = dbus_message_new_method_return(msg);
 378         if (reply == NULL)
 379                 return NULL;
 380
 381         dbus_message_iter_init_append(reply, &array);
 382
 383         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 384                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 385                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 386                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 387
 388         if (device->name != NULL)
 389                 connman_dbus_dict_append_variant(&dict, "Name",
 390                                         DBUS_TYPE_STRING, &device->name);
 391
 392         str = type2string(device->type);
 393         if (str != NULL)
 394                 connman_dbus_dict_append_variant(&dict, "Type",
 395                                                 DBUS_TYPE_STRING, &str);
 396
 397         if (device->address != NULL)
 398                 connman_dbus_dict_append_variant(&dict, "Address",
 399                                         DBUS_TYPE_STRING, &device->address);
 400
 401         if (device->interface != NULL)
 402                 connman_dbus_dict_append_variant(&dict, "Interface",
 403                                         DBUS_TYPE_STRING, &device->interface);
 404
 405         connman_dbus_dict_append_variant(&dict, "Powered",
 406                                         DBUS_TYPE_BOOLEAN, &device->powered);
 407
 408         if (device->driver && device->driver->scan)
 409                 connman_dbus_dict_append_variant(&dict, "Scanning",
 410                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 411
 412         switch (device->mode) {
 413         case CONNMAN_DEVICE_MODE_UNKNOWN:
 414                 break;
 415         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 416                 __connman_element_append_ipv4(&device->element, &dict);
 417                 break;
 418         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 419         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 420                 if (device->scan_interval > 0)
 421                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 422                                 DBUS_TYPE_UINT16, &device->scan_interval);
 423
 424                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 425                                                                 NULL, &entry);
 426                 append_networks(device, &entry);
 427                 dbus_message_iter_close_container(&dict, &entry);
 428                 break;
 429         }
 430
 431         dbus_message_iter_close_container(&array, &dict);
 432
 433         return reply;
 434 }
 435
 436 static gboolean powered_timeout(gpointer user_data)
 437 {
 438         struct connman_device *device = user_data;
 439
 440         DBG("device %p", device);
 441
 442         device->timeout = 0;
 443
 444         if (device->pending != NULL) {
 445                 DBusMessage *reply;
 446
 447                 reply = __connman_error_operation_timeout(device->pending);
 448                 if (reply != NULL)
 449                         g_dbus_send_message(connection, reply);
 450
 451                 dbus_message_unref(device->pending);
 452                 device->pending = NULL;
 453         }
 454
 455         return FALSE;
 456 }
 457
 458 static DBusMessage *set_property(DBusConnection *conn,
 459                                         DBusMessage *msg, void *data)
 460 {
 461         struct connman_device *device = data;
 462         DBusMessageIter iter, value;
 463         const char *name;
 464         int type;
 465
 466         DBG("conn %p", conn);
 467
 468         if (dbus_message_iter_init(msg, &iter) == FALSE)
 469                 return __connman_error_invalid_arguments(msg);
 470
 471         dbus_message_iter_get_basic(&iter, &name);
 472         dbus_message_iter_next(&iter);
 473         dbus_message_iter_recurse(&iter, &value);
 474
 475         if (__connman_security_check_privilege(msg,
 476                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 477                 return __connman_error_permission_denied(msg);
 478
 479         type = dbus_message_iter_get_arg_type(&value);
 480
 481         if (g_str_equal(name, "Powered") == TRUE) {
 482                 connman_bool_t powered;
 483                 int err;
 484
 485                 if (type != DBUS_TYPE_BOOLEAN)
 486                         return __connman_error_invalid_arguments(msg);
 487
 488                 dbus_message_iter_get_basic(&value, &powered);
 489
 490                 device->powered_persistent = powered;
 491
 492                 __connman_storage_save_device(device);
 493
 494                 if (device->powered == powered)
 495                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 496
 497                 if (device->pending != NULL)
 498                         return __connman_error_in_progress(msg);
 499
 500                 err = set_powered(device, powered);
 501                 if (err < 0) {
 502                         if (err != -EINPROGRESS)
 503                                 return __connman_error_failed(msg, -err);
 504
 505                         device->pending = dbus_message_ref(msg);
 506
 507                         device->timeout = g_timeout_add_seconds(15,
 508                                                 powered_timeout, device);
 509
 510                         return NULL;
 511                 }
 512         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 513                 connman_uint16_t interval;
 514
 515                 switch (device->mode) {
 516                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 517                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 518                         return __connman_error_invalid_arguments(msg);
 519                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 520                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 521                         break;
 522                 }
 523
 524                 if (type != DBUS_TYPE_UINT16)
 525                         return __connman_error_invalid_arguments(msg);
 526
 527                 dbus_message_iter_get_basic(&value, &interval);
 528
 529                 if (device->scan_interval != interval) {
 530                         device->scan_interval = interval;
 531
 532                         __connman_storage_save_device(device);
 533
 534                         reset_scan_trigger(device);
 535                 }
 536         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 537                 int err;
 538
 539                 switch (device->mode) {
 540                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 541                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 542                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 543                         return __connman_error_invalid_arguments(msg);
 544                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 545                         break;
 546                 }
 547
 548                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 549                                                         name + 5, &value);
 550                 if (err < 0)
 551                         return __connman_error_failed(msg, -err);
 552         } else
 553                 return __connman_error_invalid_property(msg);
 554
 555         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 556 }
 557
 558 static DBusMessage *propose_scan(DBusConnection *conn,
 559                                         DBusMessage *msg, void *data)
 560 {
 561         struct connman_device *device = data;
 562         int err;
 563
 564         DBG("conn %p", conn);
 565
 566         switch (device->mode) {
 567         case CONNMAN_DEVICE_MODE_UNKNOWN:
 568         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 569                 return __connman_error_not_supported(msg);
 570         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 571         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 572                 break;
 573         }
 574
 575         err = __connman_device_scan(device);
 576         if (err < 0)
 577                 return __connman_error_failed(msg, -err);
 578
 579         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 580 }
 581
 582 static GDBusMethodTable device_methods[] = {
 583         { "GetProperties", "",      "a{sv}", get_properties },
 584         { "SetProperty",   "sv",    "",      set_property,
 585                                                 G_DBUS_METHOD_FLAG_ASYNC },
 586         { "ProposeScan",   "",      "",      propose_scan   },
 587         { },
 588 };
 589
 590 static GDBusSignalTable device_signals[] = {
 591         { "PropertyChanged", "sv" },
 592         { },
 593 };
 594
 595 static void append_devices(DBusMessageIter *entry)
 596 {
 597         DBusMessageIter value, iter;
 598         const char *key = "Devices";
 599
 600         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 601
 602         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 603                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 604                                                                 &value);
 605
 606         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 607                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 608         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 609         dbus_message_iter_close_container(&value, &iter);
 610
 611         dbus_message_iter_close_container(entry, &value);
 612 }
 613
 614 static void emit_devices_signal(void)
 615 {
 616         DBusMessage *signal;
 617         DBusMessageIter entry;
 618
 619         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 620                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 621         if (signal == NULL)
 622                 return;
 623
 624         dbus_message_iter_init_append(signal, &entry);
 625
 626         append_devices(&entry);
 627
 628         g_dbus_send_message(connection, signal);
 629 }
 630
 631 static int register_interface(struct connman_element *element)
 632 {
 633         struct connman_device *device = element->device;
 634
 635         DBG("element %p name %s", element, element->name);
 636
 637         if (g_dbus_register_interface(connection, element->path,
 638                                         CONNMAN_DEVICE_INTERFACE,
 639                                         device_methods, device_signals,
 640                                         NULL, device, NULL) == FALSE) {
 641                 connman_error("Failed to register %s device", element->path);
 642                 return -EIO;
 643         }
 644
 645         device->registered = TRUE;
 646
 647         emit_devices_signal();
 648
 649         return 0;
 650 }
 651
 652 static void unregister_interface(struct connman_element *element)
 653 {
 654         struct connman_device *device = element->device;
 655
 656         DBG("element %p name %s", element, element->name);
 657
 658         device->registered = FALSE;
 659
 660         emit_devices_signal();
 661
 662         g_dbus_unregister_interface(connection, element->path,
 663                                                 CONNMAN_DEVICE_INTERFACE);
 664 }
 665
 666 static int setup_device(struct connman_device *device)
 667 {
 668         int err;
 669
 670         DBG("device %p", device);
 671
 672         err = register_interface(&device->element);
 673         if (err < 0) {
 674                 if (device->driver->remove)
 675                         device->driver->remove(device);
 676                 device->driver = NULL;
 677                 return err;
 678         }
 679
 680         switch (device->mode) {
 681         case CONNMAN_DEVICE_MODE_UNKNOWN:
 682         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 683         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 684                 break;
 685         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 686                 if (device->carrier == TRUE && device->secondary == FALSE)
 687                         __connman_profile_add_device(device);
 688                 break;
 689         }
 690
 691         if (device->offlinemode == FALSE &&
 692                                 device->powered_persistent == TRUE)
 693                 __connman_device_enable(device);
 694
 695         return 0;
 696 }
 697
 698 static void probe_driver(struct connman_element *element, gpointer user_data)
 699 {
 700         struct connman_device_driver *driver = user_data;
 701
 702         DBG("element %p name %s", element, element->name);
 703
 704         if (element->device == NULL)
 705                 return;
 706
 707         if (element->device->driver != NULL)
 708                 return;
 709
 710         if (driver->type != element->device->type)
 711                 return;
 712
 713         if (driver->probe(element->device) < 0)
 714                 return;
 715
 716         element->device->driver = driver;
 717
 718         setup_device(element->device);
 719 }
 720
 721 static void remove_device(struct connman_device *device)
 722 {
 723         DBG("device %p", device);
 724
 725         __connman_device_disable(device);
 726
 727         switch (device->mode) {
 728         case CONNMAN_DEVICE_MODE_UNKNOWN:
 729         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 730         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 731                 break;
 732         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 733                 if (device->secondary == FALSE)
 734                         __connman_profile_remove_device(device);
 735                 break;
 736         }
 737
 738         unregister_interface(&device->element);
 739
 740         if (device->driver->remove)
 741                 device->driver->remove(device);
 742
 743         device->driver = NULL;
 744 }
 745
 746 static void remove_driver(struct connman_element *element, gpointer user_data)
 747 {
 748         struct connman_device_driver *driver = user_data;
 749
 750         DBG("element %p name %s", element, element->name);
 751
 752         if (element->device == NULL)
 753                 return;
 754
 755         if (element->device->driver == driver)
 756                 remove_device(element->device);
 757 }
 758
 759 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 760 {
 761         if (device == NULL || device->driver == NULL)
 762                 return FALSE;
 763
 764         return device->registered;
 765 }
 766
 767 static GSList *driver_list = NULL;
 768
 769 static gint compare_priority(gconstpointer a, gconstpointer b)
 770 {
 771         const struct connman_device_driver *driver1 = a;
 772         const struct connman_device_driver *driver2 = b;
 773
 774         return driver2->priority - driver1->priority;
 775 }
 776
 777 /**
 778  * connman_device_driver_register:
 779  * @driver: device driver definition
 780  *
 781  * Register a new device driver
 782  *
 783  * Returns: %0 on success
 784  */
 785 int connman_device_driver_register(struct connman_device_driver *driver)
 786 {
 787         DBG("driver %p name %s", driver, driver->name);
 788
 789         driver_list = g_slist_insert_sorted(driver_list, driver,
 790                                                         compare_priority);
 791
 792         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 793                                                 probe_driver, driver);
 794
 795         return 0;
 796 }
 797
 798 /**
 799  * connman_device_driver_unregister:
 800  * @driver: device driver definition
 801  *
 802  * Remove a previously registered device driver
 803  */
 804 void connman_device_driver_unregister(struct connman_device_driver *driver)
 805 {
 806         DBG("driver %p name %s", driver, driver->name);
 807
 808         driver_list = g_slist_remove(driver_list, driver);
 809
 810         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 811                                                 remove_driver, driver);
 812 }
 813
 814 static void unregister_network(gpointer data)
 815 {
 816         struct connman_network *network = data;
 817
 818         DBG("network %p", network);
 819
 820         connman_element_unregister((struct connman_element *) network);
 821
 822         connman_network_unref(network);
 823 }
 824
 825 static void device_destruct(struct connman_element *element)
 826 {
 827         struct connman_device *device = element->device;
 828
 829         DBG("element %p name %s", element, element->name);
 830
 831         if (device->timeout > 0) {
 832                 g_source_remove(device->timeout);
 833                 device->timeout = 0;
 834         }
 835
 836         if (device->pending != NULL) {
 837                 dbus_message_unref(device->pending);
 838                 device->pending = NULL;
 839         }
 840
 841         g_free(device->ident);
 842         g_free(device->node);
 843         g_free(device->name);
 844         g_free(device->address);
 845         g_free(device->control);
 846         g_free(device->interface);
 847
 848         connman_ipconfig_unref(device->ipconfig);
 849
 850         g_free(device->last_network);
 851
 852         g_hash_table_destroy(device->networks);
 853         device->networks = NULL;
 854 }
 855
 856 /**
 857  * connman_device_create:
 858  * @node: device node name (for example an address)
 859  * @type: device type
 860  *
 861  * Allocate a new device of given #type and assign the #node name to it.
 862  *
 863  * Returns: a newly-allocated #connman_device structure
 864  */
 865 struct connman_device *connman_device_create(const char *node,
 866                                                 enum connman_device_type type)
 867 {
 868         struct connman_device *device;
 869         const char *str;
 870
 871         DBG("node %s type %d", node, type);
 872
 873         device = g_try_new0(struct connman_device, 1);
 874         if (device == NULL)
 875                 return NULL;
 876
 877         DBG("device %p", device);
 878
 879         __connman_element_initialize(&device->element);
 880
 881         device->element.name = g_strdup(node);
 882         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 883
 884         device->element.device = device;
 885         device->element.destruct = device_destruct;
 886
 887         str = type2string(type);
 888         if (str != NULL)
 889                 connman_element_set_string(&device->element,
 890                                         CONNMAN_PROPERTY_ID_TYPE, str);
 891
 892         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 893
 894         device->type      = type;
 895         device->name      = g_strdup(type2description(device->type));
 896         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 897         device->secondary = FALSE;
 898
 899         device->powered_persistent = TRUE;
 900
 901         device->phyindex = -1;
 902
 903         switch (type) {
 904         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 905         case CONNMAN_DEVICE_TYPE_VENDOR:
 906                 device->scan_interval = 0;
 907                 break;
 908         case CONNMAN_DEVICE_TYPE_ETHERNET:
 909         case CONNMAN_DEVICE_TYPE_WIFI:
 910                 device->scan_interval = 300;
 911                 break;
 912         case CONNMAN_DEVICE_TYPE_WIMAX:
 913                 device->scan_interval = 0;
 914                 break;
 915         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 916                 device->scan_interval = 0;
 917                 break;
 918         case CONNMAN_DEVICE_TYPE_GPS:
 919                 device->scan_interval = 0;
 920                 break;
 921         case CONNMAN_DEVICE_TYPE_MBM:
 922         case CONNMAN_DEVICE_TYPE_HSO:
 923         case CONNMAN_DEVICE_TYPE_NOZOMI:
 924         case CONNMAN_DEVICE_TYPE_HUAWEI:
 925         case CONNMAN_DEVICE_TYPE_NOVATEL:
 926                 device->scan_interval = 0;
 927                 break;
 928         }
 929
 930         device->ipconfig = connman_ipconfig_create();
 931         if (device->ipconfig == NULL) {
 932                 connman_device_unref(device);
 933                 return NULL;
 934         }
 935
 936         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 937                                                 g_free, unregister_network);
 938
 939         return device;
 940 }
 941
 942 /**
 943  * connman_device_ref:
 944  * @device: device structure
 945  *
 946  * Increase reference counter of device
 947  */
 948 struct connman_device *connman_device_ref(struct connman_device *device)
 949 {
 950         if (connman_element_ref(&device->element) == NULL)
 951                 return NULL;
 952
 953         return device;
 954 }
 955
 956 /**
 957  * connman_device_unref:
 958  * @device: device structure
 959  *
 960  * Decrease reference counter of device
 961  */
 962 void connman_device_unref(struct connman_device *device)
 963 {
 964         connman_element_unref(&device->element);
 965 }
 966
 967 const char *__connman_device_get_type(struct connman_device *device)
 968 {
 969         return type2string(device->type);
 970 }
 971
 972 /**
 973  * connman_device_get_type:
 974  * @device: device structure
 975  *
 976  * Get type of device
 977  */
 978 enum connman_device_type connman_device_get_type(struct connman_device *device)
 979 {
 980         return device->type;
 981 }
 982
 983 /**
 984  * connman_device_get_name:
 985  * @device: device structure
 986  *
 987  * Get unique name of device
 988  */
 989 const char *connman_device_get_name(struct connman_device *device)
 990 {
 991         return device->element.name;
 992 }
 993
 994 /**
 995  * connman_device_get_path:
 996  * @device: device structure
 997  *
 998  * Get path name of device
 999  */
1000 const char *connman_device_get_path(struct connman_device *device)
1001 {
1002         return device->element.path;
1003 }
1004
1005 /**
1006  * connman_device_set_index:
1007  * @device: device structure
1008  * @index: index number
1009  *
1010  * Set index number of device
1011  */
1012 void connman_device_set_index(struct connman_device *device, int index)
1013 {
1014         device->element.index = index;
1015 }
1016
1017 /**
1018  * connman_device_get_index:
1019  * @device: device structure
1020  *
1021  * Get index number of device
1022  */
1023 int connman_device_get_index(struct connman_device *device)
1024 {
1025         return device->element.index;
1026 }
1027
1028 int __connman_device_get_phyindex(struct connman_device *device)
1029 {
1030         return device->phyindex;
1031 }
1032
1033 void __connman_device_set_phyindex(struct connman_device *device,
1034                                                         int phyindex)
1035 {
1036         device->phyindex = phyindex;
1037 }
1038
1039 /**
1040  * connman_device_set_interface:
1041  * @device: device structure
1042  * @interface: interface name
1043  * @control: control interface
1044  *
1045  * Set interface name of device
1046  */
1047 void connman_device_set_interface(struct connman_device *device,
1048                                 const char *interface, const char *control)
1049 {
1050         g_free(device->element.devname);
1051         device->element.devname = g_strdup(interface);
1052
1053         g_free(device->interface);
1054         device->interface = g_strdup(interface);
1055
1056         g_free(device->control);
1057         device->control = g_strdup(control);
1058
1059         if (device->name == NULL) {
1060                 const char *str = type2description(device->type);
1061                 if (str != NULL && device->interface != NULL)
1062                         device->name = g_strdup_printf("%s (%s)", str,
1063                                                         device->interface);
1064         }
1065 }
1066
1067 const char *connman_device_get_control(struct connman_device *device)
1068 {
1069         return device->control;
1070 }
1071
1072 /**
1073  * connman_device_set_ident:
1074  * @device: device structure
1075  * @ident: unique identifier
1076  *
1077  * Set unique identifier of device
1078  */
1079 void connman_device_set_ident(struct connman_device *device,
1080                                                         const char *ident)
1081 {
1082         g_free(device->ident);
1083         device->ident = g_strdup(ident);
1084 }
1085
1086 const char *__connman_device_get_ident(struct connman_device *device)
1087 {
1088         return device->ident;
1089 }
1090
1091 /**
1092  * connman_device_set_mode:
1093  * @device: device structure
1094  * @mode: network mode
1095  *
1096  * Change network mode of device
1097  */
1098 void connman_device_set_mode(struct connman_device *device,
1099                                                 enum connman_device_mode mode)
1100 {
1101         device->mode = mode;
1102 }
1103
1104 /**
1105  * connman_device_get_mode:
1106  * @device: device structure
1107  *
1108  * Get network mode of device
1109  */
1110 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1111 {
1112         return device->mode;
1113 }
1114
1115 /**
1116  * connman_device_set_secondary:
1117  * @device: device structure
1118  * @secondary: secondary value
1119  *
1120  * Change secondary value of device
1121  */
1122 void connman_device_set_secondary(struct connman_device *device,
1123                                                 connman_bool_t secondary)
1124 {
1125         device->secondary = secondary;
1126 }
1127
1128 /**
1129  * connman_device_get_secondary:
1130  * @device: device structure
1131  *
1132  * Get secondary value of device
1133  */
1134 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1135 {
1136         return device->secondary;
1137 }
1138
1139 /**
1140  * connman_device_set_powered:
1141  * @device: device structure
1142  * @powered: powered state
1143  *
1144  * Change power state of device
1145  */
1146 int connman_device_set_powered(struct connman_device *device,
1147                                                 connman_bool_t powered)
1148 {
1149         enum connman_service_type type;
1150
1151         DBG("driver %p powered %d", device, powered);
1152
1153         if (device->timeout > 0) {
1154                 g_source_remove(device->timeout);
1155                 device->timeout = 0;
1156         }
1157
1158         if (device->pending != NULL) {
1159                 g_dbus_send_reply(connection, device->pending,
1160                                                         DBUS_TYPE_INVALID);
1161
1162                 dbus_message_unref(device->pending);
1163                 device->pending = NULL;
1164         }
1165
1166         if (device->powered == powered)
1167                 return -EALREADY;
1168
1169         device->powered = powered;
1170
1171         type = __connman_device_get_service_type(device);
1172
1173         if (device->powered == TRUE)
1174                 __connman_notifier_enable(type);
1175         else
1176                 __connman_notifier_disable(type);
1177
1178         if (device->registered == FALSE)
1179                 return 0;
1180
1181         powered_changed(device);
1182
1183         if (powered == FALSE)
1184                 return 0;
1185
1186         reset_scan_trigger(device);
1187
1188         if (device->driver->scan)
1189                 device->driver->scan(device);
1190
1191         return 0;
1192 }
1193
1194 int __connman_device_set_blocked(struct connman_device *device,
1195                                                 connman_bool_t blocked)
1196 {
1197         connman_bool_t powered;
1198
1199         DBG("device %p blocked %d", device, blocked);
1200
1201         if (device->offlinemode == TRUE)
1202                 return 0;
1203
1204         if (blocked == FALSE)
1205                 powered = device->powered_persistent;
1206         else
1207                 powered = FALSE;
1208
1209         return set_powered(device, powered);
1210 }
1211
1212 /**
1213  * connman_device_set_carrier:
1214  * @device: device structure
1215  * @carrier: carrier state
1216  *
1217  * Change carrier state of device (only for device without scanning)
1218  */
1219 int connman_device_set_carrier(struct connman_device *device,
1220                                                 connman_bool_t carrier)
1221 {
1222         DBG("device %p carrier %d", device, carrier);
1223
1224         switch (device->mode) {
1225         case CONNMAN_DEVICE_MODE_UNKNOWN:
1226         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1227         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1228                 return -EINVAL;
1229         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1230                 break;
1231         }
1232
1233         if (device->carrier == carrier)
1234                 return -EALREADY;
1235
1236         device->carrier = carrier;
1237
1238         return set_carrier(device, device->carrier);
1239 }
1240
1241 int __connman_device_scan(struct connman_device *device)
1242 {
1243         if (!device->driver || !device->driver->scan)
1244                 return -EOPNOTSUPP;
1245
1246         if (device->powered == FALSE)
1247                 return -ENOLINK;
1248
1249         return device->driver->scan(device);
1250 }
1251
1252 int __connman_device_enable(struct connman_device *device)
1253 {
1254         enum connman_service_type type;
1255         int err;
1256
1257         DBG("device %p", device);
1258
1259         if (!device->driver || !device->driver->enable)
1260                 return -EOPNOTSUPP;
1261
1262         if (device->powered == TRUE)
1263                 return -EALREADY;
1264
1265         err = device->driver->enable(device);
1266         if (err < 0)
1267                 return err;
1268
1269         device->powered = TRUE;
1270
1271         type = __connman_device_get_service_type(device);
1272         __connman_notifier_enable(type);
1273
1274         return 0;
1275 }
1276
1277 int __connman_device_enable_persistent(struct connman_device *device)
1278 {
1279         DBG("device %p", device);
1280
1281         device->powered_persistent = TRUE;
1282
1283         __connman_storage_save_device(device);
1284
1285         return __connman_device_enable(device);
1286 }
1287
1288 int __connman_device_disable(struct connman_device *device)
1289 {
1290         enum connman_service_type type;
1291         int err;
1292
1293         DBG("device %p", device);
1294
1295         if (!device->driver || !device->driver->disable)
1296                 return -EOPNOTSUPP;
1297
1298         if (device->powered == FALSE)
1299                 return -ENOLINK;
1300
1301         g_hash_table_remove_all(device->networks);
1302
1303         err = device->driver->disable(device);
1304         if (err < 0)
1305                 return err;
1306
1307         device->powered = FALSE;
1308
1309         type = __connman_device_get_service_type(device);
1310         __connman_notifier_disable(type);
1311
1312         return 0;
1313 }
1314
1315 int __connman_device_disable_persistent(struct connman_device *device)
1316 {
1317         DBG("device %p", device);
1318
1319         device->powered_persistent = FALSE;
1320
1321         __connman_storage_save_device(device);
1322
1323         return __connman_device_disable(device);
1324 }
1325
1326 int __connman_device_connect(struct connman_device *device)
1327 {
1328         DBG("device %p", device);
1329
1330         if (device->disconnected == FALSE)
1331                 return -EINVAL;
1332
1333         if (device->driver && device->driver->connect)
1334                 device->driver->connect(device);
1335
1336         return 0;
1337 }
1338
1339 int __connman_device_disconnect(struct connman_device *device)
1340 {
1341         GHashTableIter iter;
1342         gpointer key, value;
1343
1344         DBG("device %p", device);
1345
1346         connman_device_set_disconnected(device, TRUE);
1347
1348         g_hash_table_iter_init(&iter, device->networks);
1349
1350         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1351                 struct connman_network *network = value;
1352
1353                 __connman_network_disconnect(network);
1354         }
1355
1356         if (device->driver && device->driver->disconnect)
1357                 device->driver->disconnect(device);
1358
1359         return 0;
1360 }
1361
1362 static void mark_network_unavailable(gpointer key, gpointer value,
1363                                                         gpointer user_data)
1364 {
1365         struct connman_network *network = value;
1366
1367         if (connman_network_get_connected(network) == TRUE)
1368                 return;
1369
1370         connman_network_set_available(network, FALSE);
1371 }
1372
1373 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1374                                                         gpointer user_data)
1375 {
1376         struct connman_network *network = value;
1377
1378         if (connman_network_get_connected(network) == TRUE)
1379                 return FALSE;
1380
1381         if (connman_network_get_available(network) == TRUE)
1382                 return FALSE;
1383
1384         return TRUE;
1385 }
1386
1387 void __connman_device_cleanup_networks(struct connman_device *device)
1388 {
1389         g_hash_table_foreach_remove(device->networks,
1390                                         remove_unavailable_network, NULL);
1391 }
1392
1393 /**
1394  * connman_device_set_scanning:
1395  * @device: device structure
1396  * @scanning: scanning state
1397  *
1398  * Change scanning state of device
1399  */
1400 int connman_device_set_scanning(struct connman_device *device,
1401                                                 connman_bool_t scanning)
1402 {
1403         DBusMessage *signal;
1404         DBusMessageIter entry, value;
1405         const char *key = "Scanning";
1406
1407         DBG("device %p scanning %d", device, scanning);
1408
1409         if (!device->driver || !device->driver->scan)
1410                 return -EINVAL;
1411
1412         if (device->scanning == scanning)
1413                 return -EALREADY;
1414
1415         device->scanning = scanning;
1416
1417         signal = dbus_message_new_signal(device->element.path,
1418                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1419         if (signal == NULL)
1420                 return 0;
1421
1422         dbus_message_iter_init_append(signal, &entry);
1423
1424         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1425
1426         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1427                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1428         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1429         dbus_message_iter_close_container(&entry, &value);
1430
1431         g_dbus_send_message(connection, signal);
1432
1433         if (scanning == TRUE) {
1434                 reset_scan_trigger(device);
1435
1436                 g_hash_table_foreach(device->networks,
1437                                         mark_network_unavailable, NULL);
1438
1439                 return 0;
1440         }
1441
1442         __connman_device_cleanup_networks(device);
1443
1444         if (device->connections > 0)
1445                 return 0;
1446
1447         if (device->disconnected == TRUE)
1448                 return 0;
1449
1450         __connman_service_auto_connect();
1451
1452         return 0;
1453 }
1454
1455 /**
1456  * connman_device_set_disconnected:
1457  * @device: device structure
1458  * @disconnected: disconnected state
1459  *
1460  * Change disconnected state of device (only for device with networks)
1461  */
1462 int connman_device_set_disconnected(struct connman_device *device,
1463                                                 connman_bool_t disconnected)
1464 {
1465         DBG("device %p disconnected %d", device, disconnected);
1466
1467         switch (device->mode) {
1468         case CONNMAN_DEVICE_MODE_UNKNOWN:
1469         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1470                 return -EINVAL;
1471         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1472         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1473                 break;
1474         }
1475
1476         if (device->disconnected == disconnected)
1477                 return -EALREADY;
1478
1479         device->disconnected = disconnected;
1480
1481         return 0;
1482 }
1483
1484 /**
1485  * connman_device_get_disconnected:
1486  * @device: device structure
1487  *
1488  * Get device disconnected state
1489  */
1490 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1491 {
1492         return device->disconnected;
1493 }
1494
1495 /**
1496  * connman_device_set_connected:
1497  * @device: device structure
1498  * @connected: connected state
1499  *
1500  * Change connected state of device (for Ethernet like devices)
1501  */
1502 int connman_device_set_connected(struct connman_device *device,
1503                                                 connman_bool_t connected)
1504 {
1505         DBG("device %p connected %d", device, connected);
1506
1507         switch (device->mode) {
1508         case CONNMAN_DEVICE_MODE_UNKNOWN:
1509         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1510         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1511                 return -EINVAL;
1512         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1513                 break;
1514         }
1515
1516         if (device->carrier == FALSE)
1517                 return -ENOTCONN;
1518
1519         return set_connected(device, connected);
1520 }
1521
1522 /**
1523  * connman_device_set_string:
1524  * @device: device structure
1525  * @key: unique identifier
1526  * @value: string value
1527  *
1528  * Set string value for specific key
1529  */
1530 int connman_device_set_string(struct connman_device *device,
1531                                         const char *key, const char *value)
1532 {
1533         DBG("device %p key %s value %s", device, key, value);
1534
1535         if (g_str_equal(key, "Address") == TRUE) {
1536                 g_free(device->address);
1537                 device->address = g_strdup(value);
1538         } else if (g_str_equal(key, "Name") == TRUE) {
1539                 g_free(device->name);
1540                 device->name = g_strdup(value);
1541         } else if (g_str_equal(key, "Node") == TRUE) {
1542                 g_free(device->node);
1543                 device->node = g_strdup(value);
1544         }
1545
1546         return connman_element_set_string(&device->element, key, value);
1547 }
1548
1549 /**
1550  * connman_device_get_string:
1551  * @device: device structure
1552  * @key: unique identifier
1553  *
1554  * Get string value for specific key
1555  */
1556 const char *connman_device_get_string(struct connman_device *device,
1557                                                         const char *key)
1558 {
1559         DBG("device %p key %s", device, key);
1560
1561         if (g_str_equal(key, "Address") == TRUE)
1562                 return device->address;
1563         else if (g_str_equal(key, "Name") == TRUE)
1564                 return device->name;
1565         else if (g_str_equal(key, "Node") == TRUE)
1566                 return device->node;
1567
1568         return connman_element_get_string(&device->element, key);
1569 }
1570
1571 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1572 {
1573         struct connman_device *device = element->device;
1574         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1575         connman_bool_t powered;
1576
1577         DBG("element %p name %s", element, element->name);
1578
1579         if (device == NULL)
1580                 return;
1581
1582         device->offlinemode = offlinemode;
1583
1584         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1585
1586         if (device->powered == powered)
1587                 return;
1588
1589         if (device->powered_persistent == FALSE)
1590                 powered = FALSE;
1591
1592         set_powered(device, powered);
1593 }
1594
1595 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1596 {
1597         DBG("offlinmode %d", offlinemode);
1598
1599         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1600                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1601
1602         __connman_notifier_offlinemode(offlinemode);
1603
1604         return 0;
1605 }
1606
1607 void __connman_device_increase_connections(struct connman_device *device)
1608 {
1609         enum connman_service_type type;
1610
1611         device->connections++;
1612
1613         type = __connman_device_get_service_type(device);
1614         __connman_notifier_connect(type);
1615 }
1616
1617 void __connman_device_decrease_connections(struct connman_device *device)
1618 {
1619         enum connman_service_type type;
1620
1621         device->connections--;
1622
1623         type = __connman_device_get_service_type(device);
1624         __connman_notifier_disconnect(type);
1625 }
1626
1627 /**
1628  * connman_device_add_network:
1629  * @device: device structure
1630  * @network: network structure
1631  *
1632  * Add new network to the device
1633  */
1634 int connman_device_add_network(struct connman_device *device,
1635                                         struct connman_network *network)
1636 {
1637         const char *identifier = connman_network_get_identifier(network);
1638         int err;
1639
1640         DBG("device %p network %p", device, network);
1641
1642         switch (device->mode) {
1643         case CONNMAN_DEVICE_MODE_UNKNOWN:
1644         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1645                 return -EINVAL;
1646         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1647         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1648                 break;
1649         }
1650
1651         __connman_network_set_device(network, device);
1652
1653         err = connman_element_register((struct connman_element *) network,
1654                                                         &device->element);
1655         if (err < 0) {
1656                 __connman_network_set_device(network, NULL);
1657                 return err;
1658         }
1659
1660         g_hash_table_insert(device->networks, g_strdup(identifier),
1661                                                                 network);
1662
1663         return 0;
1664 }
1665
1666 /**
1667  * connman_device_get_network:
1668  * @device: device structure
1669  * @identifier: network identifier
1670  *
1671  * Get network for given identifier
1672  */
1673 struct connman_network *connman_device_get_network(struct connman_device *device,
1674                                                         const char *identifier)
1675 {
1676         DBG("device %p identifier %s", device, identifier);
1677
1678         return g_hash_table_lookup(device->networks, identifier);
1679 }
1680
1681 /**
1682  * connman_device_remove_network:
1683  * @device: device structure
1684  * @identifier: network identifier
1685  *
1686  * Remove network for given identifier
1687  */
1688 int connman_device_remove_network(struct connman_device *device,
1689                                                         const char *identifier)
1690 {
1691         DBG("device %p identifier %s", device, identifier);
1692
1693         g_hash_table_remove(device->networks, identifier);
1694
1695         return 0;
1696 }
1697
1698 void __connman_device_set_network(struct connman_device *device,
1699                                         struct connman_network *network)
1700 {
1701         const char *name;
1702
1703         if (device->network == network)
1704                 return;
1705
1706         if (device->network != NULL)
1707                 connman_network_unref(device->network);
1708
1709         if (network != NULL) {
1710                 name = connman_network_get_string(network,
1711                                                 CONNMAN_PROPERTY_ID_NAME);
1712                 g_free(device->last_network);
1713                 device->last_network = g_strdup(name);
1714
1715                 device->network = connman_network_ref(network);
1716         } else {
1717                 g_free(device->last_network);
1718                 device->last_network = NULL;
1719
1720                 device->network = NULL;
1721         }
1722 }
1723
1724 /**
1725  * connman_device_register:
1726  * @device: device structure
1727  *
1728  * Register device with the system
1729  */
1730 int connman_device_register(struct connman_device *device)
1731 {
1732         enum connman_service_type type;
1733
1734         __connman_storage_load_device(device);
1735
1736         device->offlinemode = __connman_manager_get_offlinemode();
1737
1738         type = __connman_device_get_service_type(device);
1739         __connman_notifier_register(type);
1740
1741         return connman_element_register(&device->element, NULL);
1742 }
1743
1744 /**
1745  * connman_device_unregister:
1746  * @device: device structure
1747  *
1748  * Unregister device with the system
1749  */
1750 void connman_device_unregister(struct connman_device *device)
1751 {
1752         enum connman_service_type type;
1753
1754         __connman_storage_save_device(device);
1755
1756         type = __connman_device_get_service_type(device);
1757         __connman_notifier_unregister(type);
1758
1759         connman_element_unregister(&device->element);
1760 }
1761
1762 /**
1763  * connman_device_get_data:
1764  * @device: device structure
1765  *
1766  * Get private device data pointer
1767  */
1768 void *connman_device_get_data(struct connman_device *device)
1769 {
1770         return device->driver_data;
1771 }
1772
1773 /**
1774  * connman_device_set_data:
1775  * @device: device structure
1776  * @data: data pointer
1777  *
1778  * Set private device data pointer
1779  */
1780 void connman_device_set_data(struct connman_device *device, void *data)
1781 {
1782         device->driver_data = data;
1783 }
1784
1785 static gboolean match_driver(struct connman_device *device,
1786                                         struct connman_device_driver *driver)
1787 {
1788         if (device->type == driver->type ||
1789                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1790                 return TRUE;
1791
1792         return FALSE;
1793 }
1794
1795 static int device_probe(struct connman_element *element)
1796 {
1797         struct connman_device *device = element->device;
1798         GSList *list;
1799
1800         DBG("element %p name %s", element, element->name);
1801
1802         if (device == NULL)
1803                 return -ENODEV;
1804
1805         if (device->driver != NULL)
1806                 return -EALREADY;
1807
1808         for (list = driver_list; list; list = list->next) {
1809                 struct connman_device_driver *driver = list->data;
1810
1811                 if (match_driver(device, driver) == FALSE)
1812                         continue;
1813
1814                 DBG("driver %p name %s", driver, driver->name);
1815
1816                 if (driver->probe(device) == 0) {
1817                         device->driver = driver;
1818                         break;
1819                 }
1820         }
1821
1822         if (device->driver == NULL)
1823                 return -ENODEV;
1824
1825         return setup_device(device);
1826 }
1827
1828 static void device_remove(struct connman_element *element)
1829 {
1830         struct connman_device *device = element->device;
1831
1832         DBG("element %p name %s", element, element->name);
1833
1834         if (device == NULL)
1835                 return;
1836
1837         if (device->driver == NULL)
1838                 return;
1839
1840         remove_device(device);
1841 }
1842
1843 static struct connman_driver device_driver = {
1844         .name           = "device",
1845         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1846         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1847         .probe          = device_probe,
1848         .remove         = device_remove,
1849 };
1850
1851 static int device_load(struct connman_device *device)
1852 {
1853         GKeyFile *keyfile;
1854         GError *error = NULL;
1855         gchar *identifier;
1856         connman_bool_t powered;
1857         int val;
1858
1859         DBG("device %p", device);
1860
1861         keyfile = __connman_storage_open();
1862         if (keyfile == NULL)
1863                 return 0;
1864
1865         identifier = g_strdup_printf("device_%s", device->element.name);
1866         if (identifier == NULL)
1867                 goto done;
1868
1869         powered = g_key_file_get_boolean(keyfile, identifier,
1870                                                 "Powered", &error);
1871         if (error == NULL)
1872                 device->powered_persistent = powered;
1873         g_clear_error(&error);
1874
1875         switch (device->mode) {
1876         case CONNMAN_DEVICE_MODE_UNKNOWN:
1877         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1878                 break;
1879         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1880         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1881                 val = g_key_file_get_integer(keyfile, identifier,
1882                                                 "ScanInterval", &error);
1883                 if (error == NULL && val > 0)
1884                         device->scan_interval = val;
1885                 g_clear_error(&error);
1886                 break;
1887         }
1888
1889 done:
1890         g_free(identifier);
1891
1892         __connman_storage_close(keyfile, FALSE);
1893
1894         return 0;
1895 }
1896
1897 static int device_save(struct connman_device *device)
1898 {
1899         GKeyFile *keyfile;
1900         gchar *identifier;
1901
1902         DBG("device %p", device);
1903
1904         keyfile = __connman_storage_open();
1905         if (keyfile == NULL)
1906                 return 0;
1907
1908         identifier = g_strdup_printf("device_%s", device->element.name);
1909         if (identifier == NULL)
1910                 goto done;
1911
1912         g_key_file_set_boolean(keyfile, identifier,
1913                                         "Powered", device->powered_persistent);
1914
1915         switch (device->mode) {
1916         case CONNMAN_DEVICE_MODE_UNKNOWN:
1917         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1918                 break;
1919         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1920         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1921                 if (device->scan_interval > 0)
1922                         g_key_file_set_integer(keyfile, identifier,
1923                                         "ScanInterval", device->scan_interval);
1924                 break;
1925         }
1926
1927 done:
1928         g_free(identifier);
1929
1930         __connman_storage_close(keyfile, TRUE);
1931
1932         return 0;
1933 }
1934
1935 static struct connman_storage device_storage = {
1936         .name           = "device",
1937         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1938         .device_load    = device_load,
1939         .device_save    = device_save,
1940 };
1941
1942 int __connman_device_init(void)
1943 {
1944         DBG("");
1945
1946         connection = connman_dbus_get_connection();
1947
1948         if (connman_storage_register(&device_storage) < 0)
1949                 connman_error("Failed to register device storage");
1950
1951         return connman_driver_register(&device_driver);
1952 }
1953
1954 void __connman_device_cleanup(void)
1955 {
1956         DBG("");
1957
1958         connman_driver_unregister(&device_driver);
1959
1960         connman_storage_unregister(&device_storage);
1961
1962         dbus_connection_unref(connection);
1963 }