src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t offlinemode;
  40         connman_bool_t blocked;
  41         connman_bool_t powered;
  42         connman_bool_t powered_pending;
  43         connman_bool_t powered_persistent;
  44         connman_bool_t scanning;
  45         connman_bool_t disconnected;
  46         connman_bool_t reconnect;
  47         connman_uint16_t scan_interval;
  48         char *name;
  49         char *node;
  50         char *address;
  51         char *interface;
  52         char *control;
  53         char *ident;
  54         int phyindex;
  55         unsigned int connections;
  56         guint scan_timeout;
  57
  58         struct connman_device_driver *driver;
  59         void *driver_data;
  60
  61         connman_bool_t registered;
  62
  63         char *last_network;
  64         struct connman_network *network;
  65         GHashTable *networks;
  66
  67         DBusMessage *pending;
  68         guint timeout;
  69 };
  70
  71 static gboolean device_scan_trigger(gpointer user_data)
  72 {
  73         struct connman_device *device = user_data;
  74
  75         DBG("device %p", device);
  76
  77         if (device->driver == NULL) {
  78                 device->scan_timeout = 0;
  79                 return FALSE;
  80         }
  81
  82         if (device->driver->scan)
  83                 device->driver->scan(device);
  84
  85         return TRUE;
  86 }
  87
  88 static void clear_scan_trigger(struct connman_device *device)
  89 {
  90         if (device->scan_timeout > 0) {
  91                 g_source_remove(device->scan_timeout);
  92                 device->scan_timeout = 0;
  93         }
  94 }
  95
  96 static void reset_scan_trigger(struct connman_device *device)
  97 {
  98         clear_scan_trigger(device);
  99
 100         if (device->scan_interval > 0) {
 101                 guint interval = device->scan_interval;
 102                 device->scan_timeout = g_timeout_add_seconds(interval,
 103                                         device_scan_trigger, device);
 104         }
 105 }
 106
 107 static void force_scan_trigger(struct connman_device *device)
 108 {
 109         clear_scan_trigger(device);
 110
 111         device->scan_timeout = g_timeout_add_seconds(5,
 112                                         device_scan_trigger, device);
 113 }
 114
 115 void connman_device_schedule_scan(struct connman_device *device)
 116 {
 117         reset_scan_trigger(device);
 118 }
 119
 120 static const char *type2description(enum connman_device_type type)
 121 {
 122         switch (type) {
 123         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 124         case CONNMAN_DEVICE_TYPE_VENDOR:
 125                 break;
 126         case CONNMAN_DEVICE_TYPE_ETHERNET:
 127                 return "Ethernet";
 128         case CONNMAN_DEVICE_TYPE_WIFI:
 129                 return "Wireless";
 130         case CONNMAN_DEVICE_TYPE_WIMAX:
 131                 return "WiMAX";
 132         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 133                 return "Bluetooth";
 134         case CONNMAN_DEVICE_TYPE_GPS:
 135                 return "GPS";
 136         case CONNMAN_DEVICE_TYPE_CELLULAR:
 137         case CONNMAN_DEVICE_TYPE_MBM:
 138         case CONNMAN_DEVICE_TYPE_HSO:
 139                 return "Cellular";
 140         }
 141
 142         return NULL;
 143 }
 144
 145 static const char *type2string(enum connman_device_type type)
 146 {
 147         switch (type) {
 148         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 149         case CONNMAN_DEVICE_TYPE_VENDOR:
 150                 break;
 151         case CONNMAN_DEVICE_TYPE_ETHERNET:
 152                 return "ethernet";
 153         case CONNMAN_DEVICE_TYPE_WIFI:
 154                 return "wifi";
 155         case CONNMAN_DEVICE_TYPE_WIMAX:
 156                 return "wimax";
 157         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 158                 return "bluetooth";
 159         case CONNMAN_DEVICE_TYPE_GPS:
 160                 return "gps";
 161         case CONNMAN_DEVICE_TYPE_CELLULAR:
 162         case CONNMAN_DEVICE_TYPE_MBM:
 163         case CONNMAN_DEVICE_TYPE_HSO:
 164                 return "cellular";
 165         }
 166
 167         return NULL;
 168 }
 169
 170 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 171 {
 172         enum connman_device_type type = connman_device_get_type(device);
 173
 174         switch (type) {
 175         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 176         case CONNMAN_DEVICE_TYPE_VENDOR:
 177         case CONNMAN_DEVICE_TYPE_GPS:
 178                 break;
 179         case CONNMAN_DEVICE_TYPE_ETHERNET:
 180                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 181         case CONNMAN_DEVICE_TYPE_WIFI:
 182                 return CONNMAN_SERVICE_TYPE_WIFI;
 183         case CONNMAN_DEVICE_TYPE_WIMAX:
 184                 return CONNMAN_SERVICE_TYPE_WIMAX;
 185         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 186                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 187         case CONNMAN_DEVICE_TYPE_CELLULAR:
 188         case CONNMAN_DEVICE_TYPE_MBM:
 189         case CONNMAN_DEVICE_TYPE_HSO:
 190                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 191         }
 192
 193         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 194 }
 195
 196 static int powered_changed(struct connman_device *device)
 197 {
 198         DBusMessage *signal;
 199         DBusMessageIter entry, value;
 200         const char *key = "Powered";
 201
 202         signal = dbus_message_new_signal(device->element.path,
 203                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 204         if (signal == NULL)
 205                 return -ENOMEM;
 206
 207         dbus_message_iter_init_append(signal, &entry);
 208
 209         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 210
 211         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 212                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 213         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 214                                                         &device->powered);
 215         dbus_message_iter_close_container(&entry, &value);
 216
 217         g_dbus_send_message(connection, signal);
 218
 219         return 0;
 220 }
 221
 222 static int set_powered(struct connman_device *device, connman_bool_t powered)
 223 {
 224         struct connman_device_driver *driver = device->driver;
 225         enum connman_service_type type;
 226         int err;
 227
 228         DBG("device %p powered %d", device, powered);
 229
 230         if (device->powered_pending == powered)
 231                 return -EALREADY;
 232
 233         if (!driver)
 234                 return -EINVAL;
 235
 236         type = __connman_device_get_service_type(device);
 237
 238         if (powered == TRUE) {
 239                 if (driver->enable) {
 240                         device->powered_pending = powered;
 241
 242                         err = driver->enable(device);
 243                         if (err == 0)
 244                                 __connman_notifier_enable(type);
 245                 } else
 246                         err = -EINVAL;
 247         } else {
 248                 device->powered_pending = powered;
 249
 250                 device->reconnect = FALSE;
 251
 252                 clear_scan_trigger(device);
 253
 254                 g_hash_table_remove_all(device->networks);
 255
 256                 if (driver->disable) {
 257                         err = driver->disable(device);
 258                         if (err == 0)
 259                                 __connman_notifier_disable(type);
 260                 } else
 261                         err = -EINVAL;
 262         }
 263
 264         if (err == 0) {
 265                 device->powered = powered;
 266
 267                 if (device->registered == TRUE)
 268                         powered_changed(device);
 269         }
 270
 271         return err;
 272 }
 273
 274 static void append_path(gpointer key, gpointer value, gpointer user_data)
 275 {
 276         struct connman_element *element = value;
 277         DBusMessageIter *iter = user_data;
 278
 279         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 280                                                         &element->path);
 281 }
 282
 283 static void append_networks(struct connman_device *device,
 284                                                 DBusMessageIter *entry)
 285 {
 286         DBusMessageIter value, iter;
 287         const char *key = "Networks";
 288
 289         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 290
 291         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 292                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 293                                                                 &value);
 294
 295         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 296                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 297         g_hash_table_foreach(device->networks, append_path, &iter);
 298         dbus_message_iter_close_container(&value, &iter);
 299
 300         dbus_message_iter_close_container(entry, &value);
 301 }
 302
 303 static DBusMessage *get_properties(DBusConnection *conn,
 304                                         DBusMessage *msg, void *data)
 305 {
 306         struct connman_device *device = data;
 307         DBusMessage *reply;
 308         DBusMessageIter array, dict, entry;
 309         const char *str;
 310
 311         DBG("conn %p", conn);
 312
 313         if (__connman_security_check_privilege(msg,
 314                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 315                 return __connman_error_permission_denied(msg);
 316
 317         reply = dbus_message_new_method_return(msg);
 318         if (reply == NULL)
 319                 return NULL;
 320
 321         dbus_message_iter_init_append(reply, &array);
 322
 323         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 324                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 325                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 326                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 327
 328         if (device->name != NULL)
 329                 connman_dbus_dict_append_variant(&dict, "Name",
 330                                         DBUS_TYPE_STRING, &device->name);
 331
 332         str = type2string(device->type);
 333         if (str != NULL)
 334                 connman_dbus_dict_append_variant(&dict, "Type",
 335                                                 DBUS_TYPE_STRING, &str);
 336
 337         if (device->address != NULL)
 338                 connman_dbus_dict_append_variant(&dict, "Address",
 339                                         DBUS_TYPE_STRING, &device->address);
 340
 341         if (device->interface != NULL)
 342                 connman_dbus_dict_append_variant(&dict, "Interface",
 343                                         DBUS_TYPE_STRING, &device->interface);
 344
 345         connman_dbus_dict_append_variant(&dict, "Powered",
 346                                         DBUS_TYPE_BOOLEAN, &device->powered);
 347
 348         if (device->driver && device->driver->scan)
 349                 connman_dbus_dict_append_variant(&dict, "Scanning",
 350                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 351
 352         switch (device->mode) {
 353         case CONNMAN_DEVICE_MODE_UNKNOWN:
 354                 break;
 355         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 356         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 357                 if (device->scan_interval > 0)
 358                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 359                                 DBUS_TYPE_UINT16, &device->scan_interval);
 360
 361                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 362                                                                 NULL, &entry);
 363                 append_networks(device, &entry);
 364                 dbus_message_iter_close_container(&dict, &entry);
 365                 break;
 366         }
 367
 368         dbus_message_iter_close_container(&array, &dict);
 369
 370         return reply;
 371 }
 372
 373 static gboolean powered_timeout(gpointer user_data)
 374 {
 375         struct connman_device *device = user_data;
 376
 377         DBG("device %p", device);
 378
 379         device->timeout = 0;
 380
 381         if (device->pending != NULL) {
 382                 DBusMessage *reply;
 383
 384                 reply = __connman_error_operation_timeout(device->pending);
 385                 if (reply != NULL)
 386                         g_dbus_send_message(connection, reply);
 387
 388                 dbus_message_unref(device->pending);
 389                 device->pending = NULL;
 390         }
 391
 392         return FALSE;
 393 }
 394
 395 static DBusMessage *set_property(DBusConnection *conn,
 396                                         DBusMessage *msg, void *data)
 397 {
 398         struct connman_device *device = data;
 399         DBusMessageIter iter, value;
 400         const char *name;
 401         int type;
 402
 403         DBG("conn %p", conn);
 404
 405         if (dbus_message_iter_init(msg, &iter) == FALSE)
 406                 return __connman_error_invalid_arguments(msg);
 407
 408         dbus_message_iter_get_basic(&iter, &name);
 409         dbus_message_iter_next(&iter);
 410         dbus_message_iter_recurse(&iter, &value);
 411
 412         if (__connman_security_check_privilege(msg,
 413                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 414                 return __connman_error_permission_denied(msg);
 415
 416         type = dbus_message_iter_get_arg_type(&value);
 417
 418         if (g_str_equal(name, "Powered") == TRUE) {
 419                 connman_bool_t powered;
 420                 int err;
 421
 422                 if (type != DBUS_TYPE_BOOLEAN)
 423                         return __connman_error_invalid_arguments(msg);
 424
 425                 dbus_message_iter_get_basic(&value, &powered);
 426
 427                 device->powered_persistent = powered;
 428
 429                 __connman_storage_save_device(device);
 430
 431                 if (device->powered == powered)
 432                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 433
 434                 if (device->pending != NULL)
 435                         return __connman_error_in_progress(msg);
 436
 437                 err = set_powered(device, powered);
 438                 if (err < 0) {
 439                         if (err != -EINPROGRESS)
 440                                 return __connman_error_failed(msg, -err);
 441
 442                         device->pending = dbus_message_ref(msg);
 443
 444                         device->timeout = g_timeout_add_seconds(15,
 445                                                 powered_timeout, device);
 446
 447                         return NULL;
 448                 }
 449         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 450                 connman_uint16_t interval;
 451
 452                 switch (device->mode) {
 453                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 454                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 455                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 456                         break;
 457                 }
 458
 459                 if (type != DBUS_TYPE_UINT16)
 460                         return __connman_error_invalid_arguments(msg);
 461
 462                 dbus_message_iter_get_basic(&value, &interval);
 463
 464                 if (device->scan_interval != interval) {
 465                         device->scan_interval = interval;
 466
 467                         __connman_storage_save_device(device);
 468
 469                         reset_scan_trigger(device);
 470                 }
 471         } else
 472                 return __connman_error_invalid_property(msg);
 473
 474         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 475 }
 476
 477 static DBusMessage *propose_scan(DBusConnection *conn,
 478                                         DBusMessage *msg, void *data)
 479 {
 480         struct connman_device *device = data;
 481         int err;
 482
 483         DBG("conn %p", conn);
 484
 485         switch (device->mode) {
 486         case CONNMAN_DEVICE_MODE_UNKNOWN:
 487                 return __connman_error_not_supported(msg);
 488         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 489         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 490                 break;
 491         }
 492
 493         err = __connman_device_scan(device);
 494         if (err < 0)
 495                 return __connman_error_failed(msg, -err);
 496
 497         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 498 }
 499
 500 static GDBusMethodTable device_methods[] = {
 501         { "GetProperties", "",      "a{sv}", get_properties },
 502         { "SetProperty",   "sv",    "",      set_property,
 503                                                 G_DBUS_METHOD_FLAG_ASYNC },
 504         { "ProposeScan",   "",      "",      propose_scan   },
 505         { },
 506 };
 507
 508 static GDBusSignalTable device_signals[] = {
 509         { "PropertyChanged", "sv" },
 510         { },
 511 };
 512
 513 static void append_devices(DBusMessageIter *entry)
 514 {
 515         DBusMessageIter value, iter;
 516         const char *key = "Devices";
 517
 518         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 519
 520         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 521                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 522                                                                 &value);
 523
 524         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 525                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 526         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 527         dbus_message_iter_close_container(&value, &iter);
 528
 529         dbus_message_iter_close_container(entry, &value);
 530 }
 531
 532 static void emit_devices_signal(void)
 533 {
 534         DBusMessage *signal;
 535         DBusMessageIter entry;
 536
 537         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 538                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 539         if (signal == NULL)
 540                 return;
 541
 542         dbus_message_iter_init_append(signal, &entry);
 543
 544         append_devices(&entry);
 545
 546         g_dbus_send_message(connection, signal);
 547 }
 548
 549 static int register_interface(struct connman_element *element)
 550 {
 551         struct connman_device *device = element->device;
 552
 553         DBG("element %p name %s", element, element->name);
 554
 555         if (g_dbus_register_interface(connection, element->path,
 556                                         CONNMAN_DEVICE_INTERFACE,
 557                                         device_methods, device_signals,
 558                                         NULL, device, NULL) == FALSE) {
 559                 connman_error("Failed to register %s device", element->path);
 560                 return -EIO;
 561         }
 562
 563         device->registered = TRUE;
 564
 565         emit_devices_signal();
 566
 567         return 0;
 568 }
 569
 570 static void unregister_interface(struct connman_element *element)
 571 {
 572         struct connman_device *device = element->device;
 573
 574         DBG("element %p name %s", element, element->name);
 575
 576         device->registered = FALSE;
 577
 578         emit_devices_signal();
 579
 580         g_dbus_unregister_interface(connection, element->path,
 581                                                 CONNMAN_DEVICE_INTERFACE);
 582 }
 583
 584 static int setup_device(struct connman_device *device)
 585 {
 586         enum connman_service_type type;
 587         int err;
 588
 589         DBG("device %p", device);
 590
 591         err = register_interface(&device->element);
 592         if (err < 0) {
 593                 if (device->driver->remove)
 594                         device->driver->remove(device);
 595                 device->driver = NULL;
 596                 return err;
 597         }
 598
 599         type = __connman_device_get_service_type(device);
 600         __connman_notifier_register(type);
 601
 602         switch (device->mode) {
 603         case CONNMAN_DEVICE_MODE_UNKNOWN:
 604         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 605         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 606                 break;
 607         }
 608
 609         if (device->offlinemode == FALSE &&
 610                                 device->powered_persistent == TRUE)
 611                 __connman_device_enable(device);
 612
 613         return 0;
 614 }
 615
 616 static void probe_driver(struct connman_element *element, gpointer user_data)
 617 {
 618         struct connman_device_driver *driver = user_data;
 619
 620         DBG("element %p name %s", element, element->name);
 621
 622         if (element->device == NULL)
 623                 return;
 624
 625         if (element->device->driver != NULL)
 626                 return;
 627
 628         if (driver->type != element->device->type)
 629                 return;
 630
 631         if (driver->probe(element->device) < 0)
 632                 return;
 633
 634         element->device->driver = driver;
 635
 636         setup_device(element->device);
 637 }
 638
 639 static void remove_device(struct connman_device *device)
 640 {
 641         enum connman_service_type type;
 642
 643         DBG("device %p", device);
 644
 645         __connman_device_disable(device);
 646
 647         switch (device->mode) {
 648         case CONNMAN_DEVICE_MODE_UNKNOWN:
 649         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 650         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 651                 break;
 652         }
 653
 654         type = __connman_device_get_service_type(device);
 655         __connman_notifier_unregister(type);
 656
 657         unregister_interface(&device->element);
 658
 659         if (device->driver->remove)
 660                 device->driver->remove(device);
 661
 662         device->driver = NULL;
 663 }
 664
 665 static void remove_driver(struct connman_element *element, gpointer user_data)
 666 {
 667         struct connman_device_driver *driver = user_data;
 668
 669         DBG("element %p name %s", element, element->name);
 670
 671         if (element->device == NULL)
 672                 return;
 673
 674         if (element->device->driver == driver)
 675                 remove_device(element->device);
 676 }
 677
 678 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 679 {
 680         if (device == NULL || device->driver == NULL)
 681                 return FALSE;
 682
 683         return device->registered;
 684 }
 685
 686 static GSList *driver_list = NULL;
 687
 688 static gint compare_priority(gconstpointer a, gconstpointer b)
 689 {
 690         const struct connman_device_driver *driver1 = a;
 691         const struct connman_device_driver *driver2 = b;
 692
 693         return driver2->priority - driver1->priority;
 694 }
 695
 696 /**
 697  * connman_device_driver_register:
 698  * @driver: device driver definition
 699  *
 700  * Register a new device driver
 701  *
 702  * Returns: %0 on success
 703  */
 704 int connman_device_driver_register(struct connman_device_driver *driver)
 705 {
 706         DBG("driver %p name %s", driver, driver->name);
 707
 708         driver_list = g_slist_insert_sorted(driver_list, driver,
 709                                                         compare_priority);
 710
 711         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 712                                                 probe_driver, driver);
 713
 714         return 0;
 715 }
 716
 717 /**
 718  * connman_device_driver_unregister:
 719  * @driver: device driver definition
 720  *
 721  * Remove a previously registered device driver
 722  */
 723 void connman_device_driver_unregister(struct connman_device_driver *driver)
 724 {
 725         DBG("driver %p name %s", driver, driver->name);
 726
 727         driver_list = g_slist_remove(driver_list, driver);
 728
 729         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 730                                                 remove_driver, driver);
 731 }
 732
 733 static void unregister_network(gpointer data)
 734 {
 735         struct connman_network *network = data;
 736
 737         DBG("network %p", network);
 738
 739         connman_element_unregister((struct connman_element *) network);
 740
 741         connman_network_unref(network);
 742 }
 743
 744 static void device_destruct(struct connman_element *element)
 745 {
 746         struct connman_device *device = element->device;
 747
 748         DBG("element %p name %s", element, element->name);
 749
 750         if (device->timeout > 0) {
 751                 g_source_remove(device->timeout);
 752                 device->timeout = 0;
 753         }
 754
 755         clear_scan_trigger(device);
 756
 757         if (device->pending != NULL) {
 758                 dbus_message_unref(device->pending);
 759                 device->pending = NULL;
 760         }
 761
 762         g_free(device->ident);
 763         g_free(device->node);
 764         g_free(device->name);
 765         g_free(device->address);
 766         g_free(device->control);
 767         g_free(device->interface);
 768
 769         g_free(device->last_network);
 770
 771         g_hash_table_destroy(device->networks);
 772         device->networks = NULL;
 773 }
 774
 775 /**
 776  * connman_device_create:
 777  * @node: device node name (for example an address)
 778  * @type: device type
 779  *
 780  * Allocate a new device of given #type and assign the #node name to it.
 781  *
 782  * Returns: a newly-allocated #connman_device structure
 783  */
 784 struct connman_device *connman_device_create(const char *node,
 785                                                 enum connman_device_type type)
 786 {
 787         struct connman_device *device;
 788         const char *str;
 789
 790         DBG("node %s type %d", node, type);
 791
 792         device = g_try_new0(struct connman_device, 1);
 793         if (device == NULL)
 794                 return NULL;
 795
 796         DBG("device %p", device);
 797
 798         __connman_element_initialize(&device->element);
 799
 800         device->element.name = g_strdup(node);
 801         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 802
 803         device->element.device = device;
 804         device->element.destruct = device_destruct;
 805
 806         str = type2string(type);
 807         if (str != NULL)
 808                 connman_element_set_string(&device->element,
 809                                         CONNMAN_PROPERTY_ID_TYPE, str);
 810
 811         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 812
 813         device->type = type;
 814         device->name = g_strdup(type2description(device->type));
 815         device->mode = CONNMAN_DEVICE_MODE_UNKNOWN;
 816
 817         device->powered_persistent = TRUE;
 818
 819         device->phyindex = -1;
 820
 821         switch (type) {
 822         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 823         case CONNMAN_DEVICE_TYPE_VENDOR:
 824                 device->scan_interval = 0;
 825                 break;
 826         case CONNMAN_DEVICE_TYPE_ETHERNET:
 827         case CONNMAN_DEVICE_TYPE_WIFI:
 828                 device->scan_interval = 300;
 829                 break;
 830         case CONNMAN_DEVICE_TYPE_WIMAX:
 831                 device->scan_interval = 0;
 832                 break;
 833         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 834                 device->scan_interval = 0;
 835                 break;
 836         case CONNMAN_DEVICE_TYPE_GPS:
 837                 device->scan_interval = 0;
 838                 break;
 839         case CONNMAN_DEVICE_TYPE_CELLULAR:
 840         case CONNMAN_DEVICE_TYPE_MBM:
 841         case CONNMAN_DEVICE_TYPE_HSO:
 842                 device->scan_interval = 0;
 843                 break;
 844         }
 845
 846         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 847                                                 g_free, unregister_network);
 848
 849         return device;
 850 }
 851
 852 /**
 853  * connman_device_ref:
 854  * @device: device structure
 855  *
 856  * Increase reference counter of device
 857  */
 858 struct connman_device *connman_device_ref(struct connman_device *device)
 859 {
 860         if (connman_element_ref(&device->element) == NULL)
 861                 return NULL;
 862
 863         return device;
 864 }
 865
 866 /**
 867  * connman_device_unref:
 868  * @device: device structure
 869  *
 870  * Decrease reference counter of device
 871  */
 872 void connman_device_unref(struct connman_device *device)
 873 {
 874         connman_element_unref(&device->element);
 875 }
 876
 877 const char *__connman_device_get_type(struct connman_device *device)
 878 {
 879         return type2string(device->type);
 880 }
 881
 882 /**
 883  * connman_device_get_type:
 884  * @device: device structure
 885  *
 886  * Get type of device
 887  */
 888 enum connman_device_type connman_device_get_type(struct connman_device *device)
 889 {
 890         return device->type;
 891 }
 892
 893 /**
 894  * connman_device_get_name:
 895  * @device: device structure
 896  *
 897  * Get unique name of device
 898  */
 899 const char *connman_device_get_name(struct connman_device *device)
 900 {
 901         return device->element.name;
 902 }
 903
 904 /**
 905  * connman_device_get_path:
 906  * @device: device structure
 907  *
 908  * Get path name of device
 909  */
 910 const char *connman_device_get_path(struct connman_device *device)
 911 {
 912         return device->element.path;
 913 }
 914
 915 /**
 916  * connman_device_set_index:
 917  * @device: device structure
 918  * @index: index number
 919  *
 920  * Set index number of device
 921  */
 922 void connman_device_set_index(struct connman_device *device, int index)
 923 {
 924         device->element.index = index;
 925 }
 926
 927 /**
 928  * connman_device_get_index:
 929  * @device: device structure
 930  *
 931  * Get index number of device
 932  */
 933 int connman_device_get_index(struct connman_device *device)
 934 {
 935         return device->element.index;
 936 }
 937
 938 int __connman_device_get_phyindex(struct connman_device *device)
 939 {
 940         return device->phyindex;
 941 }
 942
 943 void __connman_device_set_phyindex(struct connman_device *device,
 944                                                         int phyindex)
 945 {
 946         device->phyindex = phyindex;
 947 }
 948
 949 /**
 950  * connman_device_set_interface:
 951  * @device: device structure
 952  * @interface: interface name
 953  * @control: control interface
 954  *
 955  * Set interface name of device
 956  */
 957 void connman_device_set_interface(struct connman_device *device,
 958                                 const char *interface, const char *control)
 959 {
 960         g_free(device->element.devname);
 961         device->element.devname = g_strdup(interface);
 962
 963         g_free(device->interface);
 964         device->interface = g_strdup(interface);
 965
 966         g_free(device->control);
 967         device->control = g_strdup(control);
 968
 969         if (device->name == NULL) {
 970                 const char *str = type2description(device->type);
 971                 if (str != NULL && device->interface != NULL)
 972                         device->name = g_strdup_printf("%s (%s)", str,
 973                                                         device->interface);
 974         }
 975 }
 976
 977 const char *connman_device_get_control(struct connman_device *device)
 978 {
 979         return device->control;
 980 }
 981
 982 /**
 983  * connman_device_set_ident:
 984  * @device: device structure
 985  * @ident: unique identifier
 986  *
 987  * Set unique identifier of device
 988  */
 989 void connman_device_set_ident(struct connman_device *device,
 990                                                         const char *ident)
 991 {
 992         g_free(device->ident);
 993         device->ident = g_strdup(ident);
 994 }
 995
 996 const char *__connman_device_get_ident(struct connman_device *device)
 997 {
 998         return device->ident;
 999 }
1000
1001 /**
1002  * connman_device_set_mode:
1003  * @device: device structure
1004  * @mode: network mode
1005  *
1006  * Change network mode of device
1007  */
1008 void connman_device_set_mode(struct connman_device *device,
1009                                                 enum connman_device_mode mode)
1010 {
1011         device->mode = mode;
1012 }
1013
1014 /**
1015  * connman_device_get_mode:
1016  * @device: device structure
1017  *
1018  * Get network mode of device
1019  */
1020 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1021 {
1022         return device->mode;
1023 }
1024
1025 /**
1026  * connman_device_set_powered:
1027  * @device: device structure
1028  * @powered: powered state
1029  *
1030  * Change power state of device
1031  */
1032 int connman_device_set_powered(struct connman_device *device,
1033                                                 connman_bool_t powered)
1034 {
1035         enum connman_service_type type;
1036
1037         DBG("driver %p powered %d", device, powered);
1038
1039         if (device->timeout > 0) {
1040                 g_source_remove(device->timeout);
1041                 device->timeout = 0;
1042         }
1043
1044         if (device->pending != NULL) {
1045                 g_dbus_send_reply(connection, device->pending,
1046                                                         DBUS_TYPE_INVALID);
1047
1048                 dbus_message_unref(device->pending);
1049                 device->pending = NULL;
1050         }
1051
1052         if (device->powered == powered)
1053                 return -EALREADY;
1054
1055         device->powered = powered;
1056         device->powered_pending = powered;
1057
1058         type = __connman_device_get_service_type(device);
1059
1060         if (device->powered == TRUE)
1061                 __connman_notifier_enable(type);
1062         else
1063                 __connman_notifier_disable(type);
1064
1065         if (device->registered == FALSE)
1066                 return 0;
1067
1068         powered_changed(device);
1069
1070         if (powered == FALSE)
1071                 return 0;
1072
1073         reset_scan_trigger(device);
1074
1075         if (device->driver->scan)
1076                 device->driver->scan(device);
1077
1078         return 0;
1079 }
1080
1081 int __connman_device_set_blocked(struct connman_device *device,
1082                                                 connman_bool_t blocked)
1083 {
1084         connman_bool_t powered;
1085
1086         DBG("device %p blocked %d", device, blocked);
1087
1088         device->blocked = blocked;
1089
1090         if (device->offlinemode == TRUE)
1091                 return 0;
1092
1093         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1094
1095         if (blocked == FALSE)
1096                 powered = device->powered_persistent;
1097         else
1098                 powered = FALSE;
1099
1100         return set_powered(device, powered);
1101 }
1102
1103 int __connman_device_scan(struct connman_device *device)
1104 {
1105         if (!device->driver || !device->driver->scan)
1106                 return -EOPNOTSUPP;
1107
1108         if (device->powered == FALSE)
1109                 return -ENOLINK;
1110
1111         reset_scan_trigger(device);
1112
1113         return device->driver->scan(device);
1114 }
1115
1116 int __connman_device_enable(struct connman_device *device)
1117 {
1118         enum connman_service_type type;
1119         int err;
1120
1121         DBG("device %p", device);
1122
1123         if (!device->driver || !device->driver->enable)
1124                 return -EOPNOTSUPP;
1125
1126         if (device->powered_pending == TRUE)
1127                 return -EALREADY;
1128
1129         device->powered_pending = TRUE;
1130
1131         err = device->driver->enable(device);
1132         if (err < 0)
1133                 return err;
1134
1135         device->powered = TRUE;
1136
1137         type = __connman_device_get_service_type(device);
1138         __connman_notifier_enable(type);
1139
1140         return 0;
1141 }
1142
1143 int __connman_device_enable_persistent(struct connman_device *device)
1144 {
1145         DBG("device %p", device);
1146
1147         device->powered_persistent = TRUE;
1148
1149         __connman_storage_save_device(device);
1150
1151         return __connman_device_enable(device);
1152 }
1153
1154 int __connman_device_disable(struct connman_device *device)
1155 {
1156         enum connman_service_type type;
1157         int err;
1158
1159         DBG("device %p", device);
1160
1161         if (!device->driver || !device->driver->disable)
1162                 return -EOPNOTSUPP;
1163
1164         if (device->powered == FALSE)
1165                 return -ENOLINK;
1166
1167         if (device->powered_pending == FALSE)
1168                 return -EALREADY;
1169
1170         device->powered_pending = FALSE;
1171
1172         device->reconnect = FALSE;
1173
1174         clear_scan_trigger(device);
1175
1176         g_hash_table_remove_all(device->networks);
1177
1178         err = device->driver->disable(device);
1179         if (err < 0)
1180                 return err;
1181
1182         device->powered = FALSE;
1183
1184         type = __connman_device_get_service_type(device);
1185         __connman_notifier_disable(type);
1186
1187         return 0;
1188 }
1189
1190 int __connman_device_disable_persistent(struct connman_device *device)
1191 {
1192         DBG("device %p", device);
1193
1194         device->powered_persistent = FALSE;
1195
1196         __connman_storage_save_device(device);
1197
1198         return __connman_device_disable(device);
1199 }
1200
1201 int __connman_device_disconnect(struct connman_device *device)
1202 {
1203         GHashTableIter iter;
1204         gpointer key, value;
1205
1206         DBG("device %p", device);
1207
1208         connman_device_set_disconnected(device, TRUE);
1209
1210         g_hash_table_iter_init(&iter, device->networks);
1211
1212         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1213                 struct connman_network *network = value;
1214
1215                 if (__connman_network_get_connecting(network) == TRUE) {
1216                         /*
1217                          * Skip network in the process of connecting.
1218                          * This is a workaround for WiFi networks serviced
1219                          * by the supplicant plugin that hold a reference
1220                          * to the network.  If we disconnect the network
1221                          * here then the referenced object will not be
1222                          * registered and usage (like launching DHCP client)
1223                          * will fail.  There is nothing to be gained by
1224                          * removing the network here anyway.
1225                          */
1226                         connman_warn("Skipping disconnect of %s",
1227                                 connman_network_get_identifier(network));
1228                         continue;
1229                 }
1230
1231                 __connman_network_disconnect(network);
1232         }
1233
1234         return 0;
1235 }
1236
1237 static void mark_network_unavailable(gpointer key, gpointer value,
1238                                                         gpointer user_data)
1239 {
1240         struct connman_network *network = value;
1241
1242         if (connman_network_get_connected(network) == TRUE)
1243                 return;
1244
1245         connman_network_set_available(network, FALSE);
1246 }
1247
1248 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1249                                                         gpointer user_data)
1250 {
1251         struct connman_network *network = value;
1252
1253         if (connman_network_get_connected(network) == TRUE)
1254                 return FALSE;
1255
1256         if (connman_network_get_available(network) == TRUE)
1257                 return FALSE;
1258
1259         return TRUE;
1260 }
1261
1262 void __connman_device_cleanup_networks(struct connman_device *device)
1263 {
1264         g_hash_table_foreach_remove(device->networks,
1265                                         remove_unavailable_network, NULL);
1266 }
1267
1268 static void scanning_changed(struct connman_device *device)
1269 {
1270         DBusMessage *signal;
1271         DBusMessageIter entry, value;
1272         const char *key = "Scanning";
1273
1274         signal = dbus_message_new_signal(device->element.path,
1275                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1276         if (signal == NULL)
1277                 return;
1278
1279         dbus_message_iter_init_append(signal, &entry);
1280
1281         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1282
1283         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1284                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1285         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
1286                                                         &device->scanning);
1287         dbus_message_iter_close_container(&entry, &value);
1288
1289         g_dbus_send_message(connection, signal);
1290 }
1291
1292 static void mark_network_available(gpointer key, gpointer value,
1293                                                 gpointer user_data)
1294 {
1295         struct connman_network *network = value;
1296
1297         connman_network_set_available(network, TRUE);
1298 }
1299
1300 void connman_device_cleanup_scanning(struct connman_device *device)
1301 {
1302         device->scanning = FALSE;
1303
1304         scanning_changed(device);
1305
1306         g_hash_table_foreach(device->networks,
1307                                 mark_network_available, NULL);
1308 }
1309
1310 /**
1311  * connman_device_set_scanning:
1312  * @device: device structure
1313  * @scanning: scanning state
1314  *
1315  * Change scanning state of device
1316  */
1317 int connman_device_set_scanning(struct connman_device *device,
1318                                                 connman_bool_t scanning)
1319 {
1320         DBG("device %p scanning %d", device, scanning);
1321
1322         if (!device->driver || !device->driver->scan)
1323                 return -EINVAL;
1324
1325         if (device->scanning == scanning)
1326                 return -EALREADY;
1327
1328         device->scanning = scanning;
1329
1330         scanning_changed(device);
1331
1332         if (scanning == TRUE) {
1333                 reset_scan_trigger(device);
1334
1335                 g_hash_table_foreach(device->networks,
1336                                         mark_network_unavailable, NULL);
1337
1338                 return 0;
1339         }
1340
1341         __connman_device_cleanup_networks(device);
1342
1343         if (device->connections > 0)
1344                 return 0;
1345
1346         if (device->disconnected == TRUE)
1347                 return 0;
1348
1349         __connman_service_auto_connect();
1350
1351         return 0;
1352 }
1353
1354 /**
1355  * connman_device_set_disconnected:
1356  * @device: device structure
1357  * @disconnected: disconnected state
1358  *
1359  * Change disconnected state of device (only for device with networks)
1360  */
1361 int connman_device_set_disconnected(struct connman_device *device,
1362                                                 connman_bool_t disconnected)
1363 {
1364         DBG("device %p disconnected %d", device, disconnected);
1365
1366         switch (device->mode) {
1367         case CONNMAN_DEVICE_MODE_UNKNOWN:
1368                 return -EINVAL;
1369         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1370         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1371                 break;
1372         }
1373
1374         if (device->disconnected == disconnected)
1375                 return -EALREADY;
1376
1377         device->disconnected = disconnected;
1378
1379         if (disconnected == TRUE)
1380                 force_scan_trigger(device);
1381
1382         return 0;
1383 }
1384
1385 /**
1386  * connman_device_get_disconnected:
1387  * @device: device structure
1388  *
1389  * Get device disconnected state
1390  */
1391 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1392 {
1393         return device->disconnected;
1394 }
1395
1396 /**
1397  * connman_device_set_string:
1398  * @device: device structure
1399  * @key: unique identifier
1400  * @value: string value
1401  *
1402  * Set string value for specific key
1403  */
1404 int connman_device_set_string(struct connman_device *device,
1405                                         const char *key, const char *value)
1406 {
1407         DBG("device %p key %s value %s", device, key, value);
1408
1409         if (g_str_equal(key, "Address") == TRUE) {
1410                 g_free(device->address);
1411                 device->address = g_strdup(value);
1412         } else if (g_str_equal(key, "Name") == TRUE) {
1413                 g_free(device->name);
1414                 device->name = g_strdup(value);
1415         } else if (g_str_equal(key, "Node") == TRUE) {
1416                 g_free(device->node);
1417                 device->node = g_strdup(value);
1418         }
1419
1420         return connman_element_set_string(&device->element, key, value);
1421 }
1422
1423 /**
1424  * connman_device_get_string:
1425  * @device: device structure
1426  * @key: unique identifier
1427  *
1428  * Get string value for specific key
1429  */
1430 const char *connman_device_get_string(struct connman_device *device,
1431                                                         const char *key)
1432 {
1433         DBG("device %p key %s", device, key);
1434
1435         if (g_str_equal(key, "Address") == TRUE)
1436                 return device->address;
1437         else if (g_str_equal(key, "Name") == TRUE)
1438                 return device->name;
1439         else if (g_str_equal(key, "Node") == TRUE)
1440                 return device->node;
1441
1442         return connman_element_get_string(&device->element, key);
1443 }
1444
1445 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1446 {
1447         struct connman_device *device = element->device;
1448         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1449         connman_bool_t powered;
1450
1451         DBG("element %p name %s", element, element->name);
1452
1453         if (device == NULL)
1454                 return;
1455
1456         device->offlinemode = offlinemode;
1457
1458         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1459
1460         if (device->powered == powered)
1461                 return;
1462
1463         if (device->powered_persistent == FALSE)
1464                 powered = FALSE;
1465
1466         set_powered(device, powered);
1467 }
1468
1469 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1470 {
1471         DBG("offlinmode %d", offlinemode);
1472
1473         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1474                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1475
1476         __connman_notifier_offlinemode(offlinemode);
1477
1478         return 0;
1479 }
1480
1481 void __connman_device_increase_connections(struct connman_device *device)
1482 {
1483         device->connections++;
1484 }
1485
1486 void __connman_device_decrease_connections(struct connman_device *device)
1487 {
1488         device->connections--;
1489 }
1490
1491 /**
1492  * connman_device_add_network:
1493  * @device: device structure
1494  * @network: network structure
1495  *
1496  * Add new network to the device
1497  */
1498 int connman_device_add_network(struct connman_device *device,
1499                                         struct connman_network *network)
1500 {
1501         const char *identifier = connman_network_get_identifier(network);
1502         int err;
1503
1504         DBG("device %p network %p", device, network);
1505
1506         if (identifier == NULL)
1507                 return -EINVAL;
1508
1509         switch (device->mode) {
1510         case CONNMAN_DEVICE_MODE_UNKNOWN:
1511                 return -EINVAL;
1512         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1513         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1514                 break;
1515         }
1516
1517         __connman_network_set_device(network, device);
1518
1519         err = connman_element_register((struct connman_element *) network,
1520                                                         &device->element);
1521         if (err < 0) {
1522                 __connman_network_set_device(network, NULL);
1523                 return err;
1524         }
1525
1526         g_hash_table_insert(device->networks, g_strdup(identifier),
1527                                                                 network);
1528
1529         return 0;
1530 }
1531
1532 /**
1533  * connman_device_get_network:
1534  * @device: device structure
1535  * @identifier: network identifier
1536  *
1537  * Get network for given identifier
1538  */
1539 struct connman_network *connman_device_get_network(struct connman_device *device,
1540                                                         const char *identifier)
1541 {
1542         DBG("device %p identifier %s", device, identifier);
1543
1544         return g_hash_table_lookup(device->networks, identifier);
1545 }
1546
1547 /**
1548  * connman_device_remove_network:
1549  * @device: device structure
1550  * @identifier: network identifier
1551  *
1552  * Remove network for given identifier
1553  */
1554 int connman_device_remove_network(struct connman_device *device,
1555                                                         const char *identifier)
1556 {
1557         DBG("device %p identifier %s", device, identifier);
1558
1559         g_hash_table_remove(device->networks, identifier);
1560
1561         return 0;
1562 }
1563
1564 void connman_device_remove_all_networks(struct connman_device *device)
1565 {
1566         g_hash_table_remove_all(device->networks);
1567 }
1568
1569 void __connman_device_set_network(struct connman_device *device,
1570                                         struct connman_network *network)
1571 {
1572         const char *name;
1573
1574         if (device->network == network)
1575                 return;
1576
1577         if (device->network != NULL)
1578                 connman_network_unref(device->network);
1579
1580         if (network != NULL) {
1581                 name = connman_network_get_string(network,
1582                                                 CONNMAN_PROPERTY_ID_NAME);
1583                 g_free(device->last_network);
1584                 device->last_network = g_strdup(name);
1585
1586                 device->network = connman_network_ref(network);
1587         } else {
1588                 g_free(device->last_network);
1589                 device->last_network = NULL;
1590
1591                 device->network = NULL;
1592         }
1593 }
1594
1595 void __connman_device_set_reconnect(struct connman_device *device,
1596                                                 connman_bool_t reconnect)
1597 {
1598         device->reconnect = reconnect;
1599 }
1600
1601 connman_bool_t  __connman_device_get_reconnect(
1602                                 struct connman_device *device)
1603 {
1604         return device->reconnect;
1605 }
1606
1607 /**
1608  * connman_device_register:
1609  * @device: device structure
1610  *
1611  * Register device with the system
1612  */
1613 int connman_device_register(struct connman_device *device)
1614 {
1615         __connman_storage_load_device(device);
1616
1617         device->offlinemode = __connman_profile_get_offlinemode();
1618
1619         return connman_element_register(&device->element, NULL);
1620 }
1621
1622 /**
1623  * connman_device_unregister:
1624  * @device: device structure
1625  *
1626  * Unregister device with the system
1627  */
1628 void connman_device_unregister(struct connman_device *device)
1629 {
1630         __connman_storage_save_device(device);
1631
1632         connman_element_unregister(&device->element);
1633 }
1634
1635 /**
1636  * connman_device_get_data:
1637  * @device: device structure
1638  *
1639  * Get private device data pointer
1640  */
1641 void *connman_device_get_data(struct connman_device *device)
1642 {
1643         return device->driver_data;
1644 }
1645
1646 /**
1647  * connman_device_set_data:
1648  * @device: device structure
1649  * @data: data pointer
1650  *
1651  * Set private device data pointer
1652  */
1653 void connman_device_set_data(struct connman_device *device, void *data)
1654 {
1655         device->driver_data = data;
1656 }
1657
1658 static gboolean match_driver(struct connman_device *device,
1659                                         struct connman_device_driver *driver)
1660 {
1661         if (device->type == driver->type ||
1662                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1663                 return TRUE;
1664
1665         return FALSE;
1666 }
1667
1668 static int device_probe(struct connman_element *element)
1669 {
1670         struct connman_device *device = element->device;
1671         GSList *list;
1672
1673         DBG("element %p name %s", element, element->name);
1674
1675         if (device == NULL)
1676                 return -ENODEV;
1677
1678         if (device->driver != NULL)
1679                 return -EALREADY;
1680
1681         for (list = driver_list; list; list = list->next) {
1682                 struct connman_device_driver *driver = list->data;
1683
1684                 if (match_driver(device, driver) == FALSE)
1685                         continue;
1686
1687                 DBG("driver %p name %s", driver, driver->name);
1688
1689                 if (driver->probe(device) == 0) {
1690                         device->driver = driver;
1691                         break;
1692                 }
1693         }
1694
1695         if (device->driver == NULL)
1696                 return -ENODEV;
1697
1698         return setup_device(device);
1699 }
1700
1701 static void device_remove(struct connman_element *element)
1702 {
1703         struct connman_device *device = element->device;
1704
1705         DBG("element %p name %s", element, element->name);
1706
1707         if (device == NULL)
1708                 return;
1709
1710         if (device->driver == NULL)
1711                 return;
1712
1713         remove_device(device);
1714 }
1715
1716 static struct connman_driver device_driver = {
1717         .name           = "device",
1718         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1719         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1720         .probe          = device_probe,
1721         .remove         = device_remove,
1722 };
1723
1724 static int device_load(struct connman_device *device)
1725 {
1726         const char *ident = __connman_profile_active_ident();
1727         GKeyFile *keyfile;
1728         GError *error = NULL;
1729         gchar *identifier;
1730         connman_bool_t powered;
1731         int val;
1732
1733         DBG("device %p", device);
1734
1735         keyfile = __connman_storage_open(ident);
1736         if (keyfile == NULL)
1737                 return 0;
1738
1739         identifier = g_strdup_printf("device_%s", device->element.name);
1740         if (identifier == NULL)
1741                 goto done;
1742
1743         powered = g_key_file_get_boolean(keyfile, identifier,
1744                                                 "Powered", &error);
1745         if (error == NULL)
1746                 device->powered_persistent = powered;
1747         g_clear_error(&error);
1748
1749         switch (device->mode) {
1750         case CONNMAN_DEVICE_MODE_UNKNOWN:
1751                 break;
1752         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1753         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1754                 val = g_key_file_get_integer(keyfile, identifier,
1755                                                 "ScanInterval", &error);
1756                 if (error == NULL && val > 0)
1757                         device->scan_interval = val;
1758                 g_clear_error(&error);
1759                 break;
1760         }
1761
1762 done:
1763         g_free(identifier);
1764
1765         __connman_storage_close(ident, keyfile, FALSE);
1766
1767         return 0;
1768 }
1769
1770 static int device_save(struct connman_device *device)
1771 {
1772         const char *ident = __connman_profile_active_ident();
1773         GKeyFile *keyfile;
1774         gchar *identifier;
1775
1776         DBG("device %p", device);
1777
1778         keyfile = __connman_storage_open(ident);
1779         if (keyfile == NULL)
1780                 return 0;
1781
1782         identifier = g_strdup_printf("device_%s", device->element.name);
1783         if (identifier == NULL)
1784                 goto done;
1785
1786         g_key_file_set_boolean(keyfile, identifier,
1787                                         "Powered", device->powered_persistent);
1788
1789         switch (device->mode) {
1790         case CONNMAN_DEVICE_MODE_UNKNOWN:
1791                 break;
1792         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1793         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1794                 if (device->scan_interval > 0)
1795                         g_key_file_set_integer(keyfile, identifier,
1796                                         "ScanInterval", device->scan_interval);
1797                 break;
1798         }
1799
1800 done:
1801         g_free(identifier);
1802
1803         __connman_storage_close(ident, keyfile, TRUE);
1804
1805         return 0;
1806 }
1807
1808 static struct connman_storage device_storage = {
1809         .name           = "device",
1810         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1811         .device_load    = device_load,
1812         .device_save    = device_save,
1813 };
1814
1815 int __connman_device_init(void)
1816 {
1817         DBG("");
1818
1819         connection = connman_dbus_get_connection();
1820
1821         if (connman_storage_register(&device_storage) < 0)
1822                 connman_error("Failed to register device storage");
1823
1824         return connman_driver_register(&device_driver);
1825 }
1826
1827 void __connman_device_cleanup(void)
1828 {
1829         DBG("");
1830
1831         connman_driver_unregister(&device_driver);
1832
1833         connman_storage_unregister(&device_storage);
1834
1835         dbus_connection_unref(connection);
1836 }