src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 "connman.h"
  30
  31 struct connman_device {
  32         struct connman_element element;
  33         enum connman_device_type type;
  34         connman_bool_t offlinemode;
  35         connman_bool_t blocked;
  36         connman_bool_t powered;
  37         connman_bool_t powered_pending;
  38         connman_bool_t powered_persistent;
  39         connman_bool_t scanning;
  40         connman_bool_t disconnected;
  41         connman_bool_t reconnect;
  42         connman_uint16_t scan_interval;
  43         char *name;
  44         char *node;
  45         char *address;
  46         char *interface;
  47         char *control;
  48         char *ident;
  49         int phyindex;
  50         unsigned int connections;
  51         guint scan_timeout;
  52
  53         struct connman_device_driver *driver;
  54         void *driver_data;
  55
  56         char *last_network;
  57         struct connman_network *network;
  58         GHashTable *networks;
  59 };
  60
  61 static gboolean device_scan_trigger(gpointer user_data)
  62 {
  63         struct connman_device *device = user_data;
  64
  65         DBG("device %p", device);
  66
  67         if (device->driver == NULL) {
  68                 device->scan_timeout = 0;
  69                 return FALSE;
  70         }
  71
  72         if (device->driver->scan)
  73                 device->driver->scan(device);
  74
  75         return TRUE;
  76 }
  77
  78 static void clear_scan_trigger(struct connman_device *device)
  79 {
  80         if (device->scan_timeout > 0) {
  81                 g_source_remove(device->scan_timeout);
  82                 device->scan_timeout = 0;
  83         }
  84 }
  85
  86 static void reset_scan_trigger(struct connman_device *device)
  87 {
  88         clear_scan_trigger(device);
  89
  90         if (device->scan_interval > 0) {
  91                 guint interval = device->scan_interval;
  92                 device->scan_timeout = g_timeout_add_seconds(interval,
  93                                         device_scan_trigger, device);
  94         }
  95 }
  96
  97 static void force_scan_trigger(struct connman_device *device)
  98 {
  99         clear_scan_trigger(device);
 100
 101         device->scan_timeout = g_timeout_add_seconds(5,
 102                                         device_scan_trigger, device);
 103 }
 104
 105 void connman_device_schedule_scan(struct connman_device *device)
 106 {
 107         reset_scan_trigger(device);
 108 }
 109
 110 static const char *type2description(enum connman_device_type type)
 111 {
 112         switch (type) {
 113         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 114         case CONNMAN_DEVICE_TYPE_VENDOR:
 115                 break;
 116         case CONNMAN_DEVICE_TYPE_ETHERNET:
 117                 return "Ethernet";
 118         case CONNMAN_DEVICE_TYPE_WIFI:
 119                 return "Wireless";
 120         case CONNMAN_DEVICE_TYPE_WIMAX:
 121                 return "WiMAX";
 122         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 123                 return "Bluetooth";
 124         case CONNMAN_DEVICE_TYPE_GPS:
 125                 return "GPS";
 126         case CONNMAN_DEVICE_TYPE_CELLULAR:
 127                 return "Cellular";
 128         }
 129
 130         return NULL;
 131 }
 132
 133 static const char *type2string(enum connman_device_type type)
 134 {
 135         switch (type) {
 136         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 137         case CONNMAN_DEVICE_TYPE_VENDOR:
 138                 break;
 139         case CONNMAN_DEVICE_TYPE_ETHERNET:
 140                 return "ethernet";
 141         case CONNMAN_DEVICE_TYPE_WIFI:
 142                 return "wifi";
 143         case CONNMAN_DEVICE_TYPE_WIMAX:
 144                 return "wimax";
 145         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 146                 return "bluetooth";
 147         case CONNMAN_DEVICE_TYPE_GPS:
 148                 return "gps";
 149         case CONNMAN_DEVICE_TYPE_CELLULAR:
 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                 break;
 165         case CONNMAN_DEVICE_TYPE_ETHERNET:
 166                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 167         case CONNMAN_DEVICE_TYPE_WIFI:
 168                 return CONNMAN_SERVICE_TYPE_WIFI;
 169         case CONNMAN_DEVICE_TYPE_WIMAX:
 170                 return CONNMAN_SERVICE_TYPE_WIMAX;
 171         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 172                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 173         case CONNMAN_DEVICE_TYPE_CELLULAR:
 174                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 175         }
 176
 177         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 178 }
 179
 180 int __connman_device_enable(struct connman_device *device)
 181 {
 182         int err;
 183
 184         DBG("device %p %d", device, device->blocked);
 185
 186         if (!device->driver || !device->driver->enable)
 187                 return -EOPNOTSUPP;
 188
 189         if (device->powered_pending == TRUE)
 190                 return -EALREADY;
 191
 192         if (device->blocked == TRUE)
 193                 return -ENOLINK;
 194
 195         err = device->driver->enable(device);
 196         if (err < 0) {
 197                 if (err == -EINPROGRESS) {
 198                         device->powered_pending = TRUE;
 199                         device->offlinemode = FALSE;
 200                         if (__connman_profile_get_offlinemode() == TRUE)
 201                                 __connman_profile_set_offlinemode(FALSE, FALSE);
 202                 }
 203                 return err;
 204         }
 205
 206         device->powered_pending = TRUE;
 207         device->powered = TRUE;
 208         device->offlinemode = FALSE;
 209         if (__connman_profile_get_offlinemode() == TRUE)
 210                 __connman_profile_set_offlinemode(FALSE, FALSE);
 211
 212         __connman_technology_enable_device(device);
 213
 214         return 0;
 215 }
 216
 217 int __connman_device_disable(struct connman_device *device)
 218 {
 219         int err;
 220
 221         DBG("device %p", device);
 222
 223         if (!device->driver || !device->driver->disable)
 224                 return -EOPNOTSUPP;
 225
 226         if (device->powered == FALSE)
 227                 return -ENOLINK;
 228
 229         if (device->powered_pending == FALSE)
 230                 return -EALREADY;
 231
 232         device->reconnect = FALSE;
 233
 234         clear_scan_trigger(device);
 235
 236         g_hash_table_remove_all(device->networks);
 237
 238         err = device->driver->disable(device);
 239         if (err < 0) {
 240                 if (err == -EINPROGRESS)
 241                         device->powered_pending = FALSE;
 242                 return err;
 243         }
 244
 245         device->powered_pending = FALSE;
 246         device->powered = FALSE;
 247
 248         __connman_technology_disable_device(device);
 249
 250         return 0;
 251 }
 252
 253 static int set_powered(struct connman_device *device, connman_bool_t powered)
 254 {
 255         DBG("device %p powered %d", device, powered);
 256
 257         if (powered == TRUE)
 258                 return __connman_device_enable(device);
 259         else
 260                 return __connman_device_disable(device);
 261 }
 262
 263 static int setup_device(struct connman_device *device)
 264 {
 265         DBG("device %p", device);
 266
 267         __connman_technology_add_device(device);
 268
 269         if (device->offlinemode == FALSE &&
 270                                 device->powered_persistent == TRUE)
 271                 __connman_device_enable(device);
 272
 273         return 0;
 274 }
 275
 276 static void probe_driver(struct connman_element *element, gpointer user_data)
 277 {
 278         struct connman_device_driver *driver = user_data;
 279
 280         DBG("element %p name %s", element, element->name);
 281
 282         if (element->device == NULL)
 283                 return;
 284
 285         if (element->device->driver != NULL)
 286                 return;
 287
 288         if (driver->type != element->device->type)
 289                 return;
 290
 291         if (driver->probe(element->device) < 0)
 292                 return;
 293
 294         element->device->driver = driver;
 295
 296         __connman_element_set_driver(element);
 297
 298         setup_device(element->device);
 299 }
 300
 301 static void remove_device(struct connman_device *device)
 302 {
 303         int err;
 304
 305         DBG("device %p", device);
 306
 307         err = __connman_device_disable(device);
 308         if (err < 0 && err == -EINPROGRESS)
 309                 __connman_technology_disable_device(device);
 310
 311         __connman_technology_remove_device(device);
 312
 313         if (device->driver->remove)
 314                 device->driver->remove(device);
 315
 316         device->driver = NULL;
 317 }
 318
 319 static void remove_driver(struct connman_element *element, gpointer user_data)
 320 {
 321         struct connman_device_driver *driver = user_data;
 322
 323         DBG("element %p name %s", element, element->name);
 324
 325         if (element->device == NULL)
 326                 return;
 327
 328         if (element->device->driver == driver)
 329                 remove_device(element->device);
 330 }
 331
 332 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 333 {
 334         if (device == NULL || device->driver == NULL)
 335                 return FALSE;
 336
 337         return TRUE;
 338 }
 339
 340 static GSList *driver_list = NULL;
 341
 342 static gint compare_priority(gconstpointer a, gconstpointer b)
 343 {
 344         const struct connman_device_driver *driver1 = a;
 345         const struct connman_device_driver *driver2 = b;
 346
 347         return driver2->priority - driver1->priority;
 348 }
 349
 350 /**
 351  * connman_device_driver_register:
 352  * @driver: device driver definition
 353  *
 354  * Register a new device driver
 355  *
 356  * Returns: %0 on success
 357  */
 358 int connman_device_driver_register(struct connman_device_driver *driver)
 359 {
 360         DBG("driver %p name %s", driver, driver->name);
 361
 362         driver_list = g_slist_insert_sorted(driver_list, driver,
 363                                                         compare_priority);
 364
 365         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 366                                                 probe_driver, driver);
 367
 368         return 0;
 369 }
 370
 371 /**
 372  * connman_device_driver_unregister:
 373  * @driver: device driver definition
 374  *
 375  * Remove a previously registered device driver
 376  */
 377 void connman_device_driver_unregister(struct connman_device_driver *driver)
 378 {
 379         DBG("driver %p name %s", driver, driver->name);
 380
 381         driver_list = g_slist_remove(driver_list, driver);
 382
 383         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 384                                                 remove_driver, driver);
 385 }
 386
 387 static void unregister_network(gpointer data)
 388 {
 389         struct connman_network *network = data;
 390
 391         DBG("network %p", network);
 392
 393         connman_element_unregister((struct connman_element *) network);
 394
 395         __connman_network_set_device(network, NULL);
 396
 397         connman_network_unref(network);
 398 }
 399
 400 static void device_destruct(struct connman_element *element)
 401 {
 402         struct connman_device *device = element->device;
 403
 404         DBG("element %p name %s", element, element->name);
 405
 406         clear_scan_trigger(device);
 407
 408         g_free(device->ident);
 409         g_free(device->node);
 410         g_free(device->name);
 411         g_free(device->address);
 412         g_free(device->control);
 413         g_free(device->interface);
 414
 415         g_free(device->last_network);
 416
 417         g_hash_table_destroy(device->networks);
 418         device->networks = NULL;
 419 }
 420
 421 /**
 422  * connman_device_create:
 423  * @node: device node name (for example an address)
 424  * @type: device type
 425  *
 426  * Allocate a new device of given #type and assign the #node name to it.
 427  *
 428  * Returns: a newly-allocated #connman_device structure
 429  */
 430 struct connman_device *connman_device_create(const char *node,
 431                                                 enum connman_device_type type)
 432 {
 433         struct connman_device *device;
 434         const char *str;
 435         enum connman_service_type service_type;
 436
 437         DBG("node %s type %d", node, type);
 438
 439         device = g_try_new0(struct connman_device, 1);
 440         if (device == NULL)
 441                 return NULL;
 442
 443         DBG("device %p", device);
 444
 445         __connman_element_initialize(&device->element);
 446
 447         device->element.name = g_strdup(node);
 448         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 449
 450         device->element.device = device;
 451         device->element.destruct = device_destruct;
 452
 453         str = type2string(type);
 454         if (str != NULL)
 455                 connman_element_set_string(&device->element,
 456                                         CONNMAN_PROPERTY_ID_TYPE, str);
 457
 458         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 459
 460         device->type = type;
 461         device->name = g_strdup(type2description(device->type));
 462
 463         device->powered_persistent = TRUE;
 464
 465         device->phyindex = -1;
 466
 467         service_type = __connman_device_get_service_type(device);
 468         device->blocked = __connman_technology_get_blocked(service_type);
 469
 470         switch (type) {
 471         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 472         case CONNMAN_DEVICE_TYPE_VENDOR:
 473                 device->scan_interval = 0;
 474                 break;
 475         case CONNMAN_DEVICE_TYPE_ETHERNET:
 476         case CONNMAN_DEVICE_TYPE_WIFI:
 477                 device->scan_interval = 300;
 478                 break;
 479         case CONNMAN_DEVICE_TYPE_WIMAX:
 480                 device->scan_interval = 0;
 481                 break;
 482         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 483                 device->scan_interval = 0;
 484                 break;
 485         case CONNMAN_DEVICE_TYPE_GPS:
 486                 device->scan_interval = 0;
 487                 break;
 488         case CONNMAN_DEVICE_TYPE_CELLULAR:
 489                 device->scan_interval = 0;
 490                 break;
 491         }
 492
 493         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 494                                                 g_free, unregister_network);
 495
 496         return device;
 497 }
 498
 499 /**
 500  * connman_device_ref:
 501  * @device: device structure
 502  *
 503  * Increase reference counter of device
 504  */
 505 struct connman_device *connman_device_ref(struct connman_device *device)
 506 {
 507         if (connman_element_ref(&device->element) == NULL)
 508                 return NULL;
 509
 510         return device;
 511 }
 512
 513 /**
 514  * connman_device_unref:
 515  * @device: device structure
 516  *
 517  * Decrease reference counter of device
 518  */
 519 void connman_device_unref(struct connman_device *device)
 520 {
 521         connman_element_unref(&device->element);
 522 }
 523
 524 const char *__connman_device_get_type(struct connman_device *device)
 525 {
 526         return type2string(device->type);
 527 }
 528
 529 /**
 530  * connman_device_get_type:
 531  * @device: device structure
 532  *
 533  * Get type of device
 534  */
 535 enum connman_device_type connman_device_get_type(struct connman_device *device)
 536 {
 537         return device->type;
 538 }
 539
 540 /**
 541  * connman_device_set_index:
 542  * @device: device structure
 543  * @index: index number
 544  *
 545  * Set index number of device
 546  */
 547 void connman_device_set_index(struct connman_device *device, int index)
 548 {
 549         device->element.index = index;
 550 }
 551
 552 /**
 553  * connman_device_get_index:
 554  * @device: device structure
 555  *
 556  * Get index number of device
 557  */
 558 int connman_device_get_index(struct connman_device *device)
 559 {
 560         return device->element.index;
 561 }
 562
 563 int __connman_device_get_phyindex(struct connman_device *device)
 564 {
 565         return device->phyindex;
 566 }
 567
 568 void __connman_device_set_phyindex(struct connman_device *device,
 569                                                         int phyindex)
 570 {
 571         device->phyindex = phyindex;
 572 }
 573
 574 /**
 575  * connman_device_set_interface:
 576  * @device: device structure
 577  * @interface: interface name
 578  * @control: control interface
 579  *
 580  * Set interface name of device
 581  */
 582 void connman_device_set_interface(struct connman_device *device,
 583                                 const char *interface, const char *control)
 584 {
 585         g_free(device->element.devname);
 586         device->element.devname = g_strdup(interface);
 587
 588         g_free(device->interface);
 589         device->interface = g_strdup(interface);
 590
 591         g_free(device->control);
 592         device->control = g_strdup(control);
 593
 594         if (device->name == NULL) {
 595                 const char *str = type2description(device->type);
 596                 if (str != NULL && device->interface != NULL)
 597                         device->name = g_strdup_printf("%s (%s)", str,
 598                                                         device->interface);
 599         }
 600 }
 601
 602 const char *connman_device_get_control(struct connman_device *device)
 603 {
 604         return device->control;
 605 }
 606
 607 /**
 608  * connman_device_set_ident:
 609  * @device: device structure
 610  * @ident: unique identifier
 611  *
 612  * Set unique identifier of device
 613  */
 614 void connman_device_set_ident(struct connman_device *device,
 615                                                         const char *ident)
 616 {
 617         g_free(device->ident);
 618         device->ident = g_strdup(ident);
 619 }
 620
 621 const char *connman_device_get_ident(struct connman_device *device)
 622 {
 623         return device->ident;
 624 }
 625
 626 /**
 627  * connman_device_set_powered:
 628  * @device: device structure
 629  * @powered: powered state
 630  *
 631  * Change power state of device
 632  */
 633 int connman_device_set_powered(struct connman_device *device,
 634                                                 connman_bool_t powered)
 635 {
 636         DBG("driver %p powered %d", device, powered);
 637
 638         if (device->powered == powered) {
 639                 device->powered_pending = powered;
 640                 return -EALREADY;
 641         }
 642
 643         if (powered == TRUE)
 644                 __connman_device_enable(device);
 645         else
 646                 __connman_device_disable(device);
 647
 648         device->powered = powered;
 649         device->powered_pending = powered;
 650
 651         if (device->powered == TRUE)
 652                 __connman_technology_enable_device(device);
 653         else
 654                 __connman_technology_disable_device(device);
 655
 656         if (device->offlinemode == TRUE && powered == TRUE)
 657                 return connman_device_set_powered(device, FALSE);
 658
 659         if (powered == FALSE)
 660                 return 0;
 661
 662         reset_scan_trigger(device);
 663
 664         if (device->driver->scan)
 665                 device->driver->scan(device);
 666
 667         return 0;
 668 }
 669
 670 int __connman_device_set_blocked(struct connman_device *device,
 671                                                 connman_bool_t blocked)
 672 {
 673         connman_bool_t powered;
 674
 675         DBG("device %p blocked %d", device, blocked);
 676
 677         device->blocked = blocked;
 678
 679         if (device->offlinemode == TRUE)
 680                 return 0;
 681
 682         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
 683
 684         if (blocked == FALSE)
 685                 powered = device->powered_persistent;
 686         else
 687                 powered = FALSE;
 688
 689         return set_powered(device, powered);
 690 }
 691
 692 connman_bool_t __connman_device_get_blocked(struct connman_device *device)
 693 {
 694         return device->blocked;
 695 }
 696
 697 int __connman_device_scan(struct connman_device *device)
 698 {
 699         if (!device->driver || !device->driver->scan)
 700                 return -EOPNOTSUPP;
 701
 702         if (device->powered == FALSE)
 703                 return -ENOLINK;
 704
 705         reset_scan_trigger(device);
 706
 707         return device->driver->scan(device);
 708 }
 709
 710 int __connman_device_enable_persistent(struct connman_device *device)
 711 {
 712         int err;
 713
 714         DBG("device %p", device);
 715
 716         device->powered_persistent = TRUE;
 717
 718         __connman_storage_save_device(device);
 719
 720         err = __connman_device_enable(device);
 721         if (err == 0 || err == -EINPROGRESS) {
 722                 device->offlinemode = FALSE;
 723                 if (__connman_profile_get_offlinemode() == TRUE) {
 724                         __connman_profile_set_offlinemode(FALSE, FALSE);
 725
 726                         __connman_profile_save_default();
 727                 }
 728         }
 729
 730         return err;
 731 }
 732
 733 int __connman_device_disable_persistent(struct connman_device *device)
 734 {
 735         DBG("device %p", device);
 736
 737         device->powered_persistent = FALSE;
 738
 739         __connman_storage_save_device(device);
 740
 741         return __connman_device_disable(device);
 742 }
 743
 744 int __connman_device_disconnect(struct connman_device *device)
 745 {
 746         GHashTableIter iter;
 747         gpointer key, value;
 748
 749         DBG("device %p", device);
 750
 751         connman_device_set_disconnected(device, TRUE);
 752
 753         g_hash_table_iter_init(&iter, device->networks);
 754
 755         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 756                 struct connman_network *network = value;
 757
 758                 if (__connman_network_get_connecting(network) == TRUE) {
 759                         /*
 760                          * Skip network in the process of connecting.
 761                          * This is a workaround for WiFi networks serviced
 762                          * by the supplicant plugin that hold a reference
 763                          * to the network.  If we disconnect the network
 764                          * here then the referenced object will not be
 765                          * registered and usage (like launching DHCP client)
 766                          * will fail.  There is nothing to be gained by
 767                          * removing the network here anyway.
 768                          */
 769                         connman_warn("Skipping disconnect of %s",
 770                                 connman_network_get_identifier(network));
 771                         continue;
 772                 }
 773
 774                 __connman_network_disconnect(network);
 775         }
 776
 777         return 0;
 778 }
 779
 780 static void mark_network_unavailable(gpointer key, gpointer value,
 781                                                         gpointer user_data)
 782 {
 783         struct connman_network *network = value;
 784
 785         if (connman_network_get_connected(network) == TRUE)
 786                 return;
 787
 788         connman_network_set_available(network, FALSE);
 789 }
 790
 791 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 792                                                         gpointer user_data)
 793 {
 794         struct connman_network *network = value;
 795
 796         if (connman_network_get_connected(network) == TRUE)
 797                 return FALSE;
 798
 799         if (connman_network_get_available(network) == TRUE)
 800                 return FALSE;
 801
 802         return TRUE;
 803 }
 804
 805 void __connman_device_cleanup_networks(struct connman_device *device)
 806 {
 807         g_hash_table_foreach_remove(device->networks,
 808                                         remove_unavailable_network, NULL);
 809 }
 810
 811 /**
 812  * connman_device_set_scanning:
 813  * @device: device structure
 814  * @scanning: scanning state
 815  *
 816  * Change scanning state of device
 817  */
 818 int connman_device_set_scanning(struct connman_device *device,
 819                                                 connman_bool_t scanning)
 820 {
 821         DBG("device %p scanning %d", device, scanning);
 822
 823         if (!device->driver || !device->driver->scan)
 824                 return -EINVAL;
 825
 826         if (device->scanning == scanning)
 827                 return -EALREADY;
 828
 829         device->scanning = scanning;
 830
 831         if (scanning == TRUE) {
 832                 reset_scan_trigger(device);
 833
 834                 g_hash_table_foreach(device->networks,
 835                                         mark_network_unavailable, NULL);
 836
 837                 return 0;
 838         }
 839
 840         __connman_device_cleanup_networks(device);
 841
 842         if (device->connections > 0)
 843                 return 0;
 844
 845         if (device->disconnected == TRUE)
 846                 return 0;
 847
 848         __connman_service_auto_connect();
 849
 850         return 0;
 851 }
 852
 853 /**
 854  * connman_device_set_disconnected:
 855  * @device: device structure
 856  * @disconnected: disconnected state
 857  *
 858  * Change disconnected state of device (only for device with networks)
 859  */
 860 int connman_device_set_disconnected(struct connman_device *device,
 861                                                 connman_bool_t disconnected)
 862 {
 863         DBG("device %p disconnected %d", device, disconnected);
 864
 865         if (device->disconnected == disconnected)
 866                 return -EALREADY;
 867
 868         device->disconnected = disconnected;
 869
 870         if (disconnected == TRUE)
 871                 force_scan_trigger(device);
 872
 873         return 0;
 874 }
 875
 876 /**
 877  * connman_device_get_disconnected:
 878  * @device: device structure
 879  *
 880  * Get device disconnected state
 881  */
 882 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 883 {
 884         return device->disconnected;
 885 }
 886
 887 /**
 888  * connman_device_set_string:
 889  * @device: device structure
 890  * @key: unique identifier
 891  * @value: string value
 892  *
 893  * Set string value for specific key
 894  */
 895 int connman_device_set_string(struct connman_device *device,
 896                                         const char *key, const char *value)
 897 {
 898         DBG("device %p key %s value %s", device, key, value);
 899
 900         if (g_str_equal(key, "Address") == TRUE) {
 901                 g_free(device->address);
 902                 device->address = g_strdup(value);
 903         } else if (g_str_equal(key, "Name") == TRUE) {
 904                 g_free(device->name);
 905                 device->name = g_strdup(value);
 906         } else if (g_str_equal(key, "Node") == TRUE) {
 907                 g_free(device->node);
 908                 device->node = g_strdup(value);
 909         }
 910
 911         return connman_element_set_string(&device->element, key, value);
 912 }
 913
 914 /**
 915  * connman_device_get_string:
 916  * @device: device structure
 917  * @key: unique identifier
 918  *
 919  * Get string value for specific key
 920  */
 921 const char *connman_device_get_string(struct connman_device *device,
 922                                                         const char *key)
 923 {
 924         DBG("device %p key %s", device, key);
 925
 926         if (g_str_equal(key, "Address") == TRUE)
 927                 return device->address;
 928         else if (g_str_equal(key, "Name") == TRUE)
 929                 return device->name;
 930         else if (g_str_equal(key, "Node") == TRUE)
 931                 return device->node;
 932         else if (g_str_equal(key, "Interface") == TRUE)
 933                 return device->interface;
 934
 935         return connman_element_get_string(&device->element, key);
 936 }
 937
 938 static void set_offlinemode(struct connman_element *element, gpointer user_data)
 939 {
 940         struct connman_device *device = element->device;
 941         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
 942         connman_bool_t powered;
 943
 944         DBG("element %p name %s", element, element->name);
 945
 946         if (device == NULL)
 947                 return;
 948
 949         device->offlinemode = offlinemode;
 950
 951         if (device->blocked == TRUE)
 952                 return;
 953
 954         powered = (offlinemode == TRUE) ? FALSE : TRUE;
 955
 956         if (device->powered == powered)
 957                 return;
 958
 959         if (device->powered_persistent == FALSE)
 960                 powered = FALSE;
 961
 962         set_powered(device, powered);
 963 }
 964
 965 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
 966 {
 967         DBG("offlinmode %d", offlinemode);
 968
 969         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 970                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
 971
 972         __connman_notifier_offlinemode(offlinemode);
 973
 974         return 0;
 975 }
 976
 977 void __connman_device_increase_connections(struct connman_device *device)
 978 {
 979         if (device == NULL)
 980                 return;
 981
 982         device->connections++;
 983 }
 984
 985 void __connman_device_decrease_connections(struct connman_device *device)
 986 {
 987         if (device == NULL)
 988                 return;
 989
 990         device->connections--;
 991 }
 992
 993 /**
 994  * connman_device_add_network:
 995  * @device: device structure
 996  * @network: network structure
 997  *
 998  * Add new network to the device
 999  */
1000 int connman_device_add_network(struct connman_device *device,
1001                                         struct connman_network *network)
1002 {
1003         const char *identifier = connman_network_get_identifier(network);
1004         int err;
1005
1006         DBG("device %p network %p", device, network);
1007
1008         if (identifier == NULL)
1009                 return -EINVAL;
1010
1011         __connman_network_set_device(network, device);
1012
1013         err = connman_element_register((struct connman_element *) network,
1014                                                         &device->element);
1015         if (err < 0) {
1016                 __connman_network_set_device(network, NULL);
1017                 return err;
1018         }
1019
1020         g_hash_table_insert(device->networks, g_strdup(identifier),
1021                                                                 network);
1022
1023         return 0;
1024 }
1025
1026 /**
1027  * connman_device_get_network:
1028  * @device: device structure
1029  * @identifier: network identifier
1030  *
1031  * Get network for given identifier
1032  */
1033 struct connman_network *connman_device_get_network(struct connman_device *device,
1034                                                         const char *identifier)
1035 {
1036         DBG("device %p identifier %s", device, identifier);
1037
1038         return g_hash_table_lookup(device->networks, identifier);
1039 }
1040
1041 /**
1042  * connman_device_remove_network:
1043  * @device: device structure
1044  * @identifier: network identifier
1045  *
1046  * Remove network for given identifier
1047  */
1048 int connman_device_remove_network(struct connman_device *device,
1049                                                         const char *identifier)
1050 {
1051         DBG("device %p identifier %s", device, identifier);
1052
1053         g_hash_table_remove(device->networks, identifier);
1054
1055         return 0;
1056 }
1057
1058 void connman_device_remove_all_networks(struct connman_device *device)
1059 {
1060         g_hash_table_remove_all(device->networks);
1061 }
1062
1063 void __connman_device_set_network(struct connman_device *device,
1064                                         struct connman_network *network)
1065 {
1066         const char *name;
1067
1068         if (device == NULL)
1069                 return;
1070
1071         if (device->network == network)
1072                 return;
1073
1074         if (device->network != NULL)
1075                 connman_network_unref(device->network);
1076
1077         if (network != NULL) {
1078                 name = connman_network_get_string(network,
1079                                                 CONNMAN_PROPERTY_ID_NAME);
1080                 g_free(device->last_network);
1081                 device->last_network = g_strdup(name);
1082
1083                 device->network = connman_network_ref(network);
1084         } else {
1085                 g_free(device->last_network);
1086                 device->last_network = NULL;
1087
1088                 device->network = NULL;
1089         }
1090 }
1091
1092 void __connman_device_set_reconnect(struct connman_device *device,
1093                                                 connman_bool_t reconnect)
1094 {
1095         device->reconnect = reconnect;
1096 }
1097
1098 connman_bool_t  __connman_device_get_reconnect(
1099                                 struct connman_device *device)
1100 {
1101         return device->reconnect;
1102 }
1103
1104 /**
1105  * connman_device_register:
1106  * @device: device structure
1107  *
1108  * Register device with the system
1109  */
1110 int connman_device_register(struct connman_device *device)
1111 {
1112         __connman_storage_load_device(device);
1113
1114         device->offlinemode = __connman_profile_get_offlinemode();
1115
1116         return connman_element_register(&device->element, NULL);
1117 }
1118
1119 /**
1120  * connman_device_unregister:
1121  * @device: device structure
1122  *
1123  * Unregister device with the system
1124  */
1125 void connman_device_unregister(struct connman_device *device)
1126 {
1127         __connman_storage_save_device(device);
1128
1129         connman_element_unregister(&device->element);
1130 }
1131
1132 /**
1133  * connman_device_get_data:
1134  * @device: device structure
1135  *
1136  * Get private device data pointer
1137  */
1138 void *connman_device_get_data(struct connman_device *device)
1139 {
1140         return device->driver_data;
1141 }
1142
1143 /**
1144  * connman_device_set_data:
1145  * @device: device structure
1146  * @data: data pointer
1147  *
1148  * Set private device data pointer
1149  */
1150 void connman_device_set_data(struct connman_device *device, void *data)
1151 {
1152         device->driver_data = data;
1153 }
1154
1155 static gboolean match_driver(struct connman_device *device,
1156                                         struct connman_device_driver *driver)
1157 {
1158         if (device->type == driver->type ||
1159                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1160                 return TRUE;
1161
1162         return FALSE;
1163 }
1164
1165 static int device_probe(struct connman_element *element)
1166 {
1167         struct connman_device *device = element->device;
1168         GSList *list;
1169
1170         DBG("element %p name %s", element, element->name);
1171
1172         if (device == NULL)
1173                 return -ENODEV;
1174
1175         if (device->driver != NULL)
1176                 return -EALREADY;
1177
1178         for (list = driver_list; list; list = list->next) {
1179                 struct connman_device_driver *driver = list->data;
1180
1181                 if (match_driver(device, driver) == FALSE)
1182                         continue;
1183
1184                 DBG("driver %p name %s", driver, driver->name);
1185
1186                 if (driver->probe(device) == 0) {
1187                         device->driver = driver;
1188                         break;
1189                 }
1190         }
1191
1192         if (device->driver == NULL)
1193                 return -ENODEV;
1194
1195         return setup_device(device);
1196 }
1197
1198 static void device_remove(struct connman_element *element)
1199 {
1200         struct connman_device *device = element->device;
1201
1202         DBG("element %p name %s", element, element->name);
1203
1204         if (device == NULL)
1205                 return;
1206
1207         if (device->driver == NULL)
1208                 return;
1209
1210         remove_device(device);
1211 }
1212
1213 static struct connman_driver device_driver = {
1214         .name           = "device",
1215         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1216         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1217         .probe          = device_probe,
1218         .remove         = device_remove,
1219 };
1220
1221 static int device_load(struct connman_device *device)
1222 {
1223         const char *ident = __connman_profile_active_ident();
1224         GKeyFile *keyfile;
1225         GError *error = NULL;
1226         gchar *identifier;
1227         connman_bool_t powered;
1228         int val;
1229
1230         DBG("device %p", device);
1231
1232         keyfile = __connman_storage_open_profile(ident);
1233         if (keyfile == NULL)
1234                 return 0;
1235
1236         identifier = g_strdup_printf("device_%s", device->element.name);
1237         if (identifier == NULL)
1238                 goto done;
1239
1240         powered = g_key_file_get_boolean(keyfile, identifier,
1241                                                 "Powered", &error);
1242         if (error == NULL)
1243                 device->powered_persistent = powered;
1244         g_clear_error(&error);
1245
1246         val = g_key_file_get_integer(keyfile, identifier,
1247                                                 "ScanInterval", &error);
1248         if (error == NULL)
1249                 device->scan_interval = val;
1250         g_clear_error(&error);
1251
1252 done:
1253         g_free(identifier);
1254
1255         __connman_storage_close_profile(ident, keyfile, FALSE);
1256
1257         return 0;
1258 }
1259
1260 static int device_save(struct connman_device *device)
1261 {
1262         const char *ident = __connman_profile_active_ident();
1263         GKeyFile *keyfile;
1264         gchar *identifier;
1265
1266         DBG("device %p", device);
1267
1268         keyfile = __connman_storage_open_profile(ident);
1269         if (keyfile == NULL)
1270                 return 0;
1271
1272         identifier = g_strdup_printf("device_%s", device->element.name);
1273         if (identifier == NULL)
1274                 goto done;
1275
1276         g_key_file_set_boolean(keyfile, identifier,
1277                                         "Powered", device->powered_persistent);
1278
1279         g_key_file_set_integer(keyfile, identifier,
1280                                         "ScanInterval", device->scan_interval);
1281
1282 done:
1283         g_free(identifier);
1284
1285         __connman_storage_close_profile(ident, keyfile, TRUE);
1286
1287         return 0;
1288 }
1289
1290 static struct connman_storage device_storage = {
1291         .name           = "device",
1292         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1293         .device_load    = device_load,
1294         .device_save    = device_save,
1295 };
1296
1297 int __connman_device_init(void)
1298 {
1299         DBG("");
1300
1301         if (connman_storage_register(&device_storage) < 0)
1302                 connman_error("Failed to register device storage");
1303
1304         return connman_driver_register(&device_driver);
1305 }
1306
1307 void __connman_device_cleanup(void)
1308 {
1309         DBG("");
1310
1311         connman_driver_unregister(&device_driver);
1312
1313         connman_storage_unregister(&device_storage);
1314 }