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 *ident;
  48         int phyindex;
  49         unsigned int connections;
  50         guint scan_timeout;
  51
  52         struct connman_device_driver *driver;
  53         void *driver_data;
  54
  55         char *last_network;
  56         struct connman_network *network;
  57         GHashTable *networks;
  58 };
  59
  60 static gboolean device_scan_trigger(gpointer user_data)
  61 {
  62         struct connman_device *device = user_data;
  63
  64         DBG("device %p", device);
  65
  66         if (device->driver == NULL) {
  67                 device->scan_timeout = 0;
  68                 return FALSE;
  69         }
  70
  71         if (device->driver->scan)
  72                 device->driver->scan(device);
  73
  74         return TRUE;
  75 }
  76
  77 static void clear_scan_trigger(struct connman_device *device)
  78 {
  79         if (device->scan_timeout > 0) {
  80                 g_source_remove(device->scan_timeout);
  81                 device->scan_timeout = 0;
  82         }
  83 }
  84
  85 static void reset_scan_trigger(struct connman_device *device)
  86 {
  87         clear_scan_trigger(device);
  88
  89         if (device->scan_interval > 0) {
  90                 guint interval = device->scan_interval;
  91                 device->scan_timeout = g_timeout_add_seconds(interval,
  92                                         device_scan_trigger, device);
  93         }
  94 }
  95
  96 static void force_scan_trigger(struct connman_device *device)
  97 {
  98         clear_scan_trigger(device);
  99
 100         device->scan_timeout = g_timeout_add_seconds(5,
 101                                         device_scan_trigger, device);
 102 }
 103
 104 void connman_device_schedule_scan(struct connman_device *device)
 105 {
 106         reset_scan_trigger(device);
 107 }
 108
 109 static const char *type2description(enum connman_device_type type)
 110 {
 111         switch (type) {
 112         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 113         case CONNMAN_DEVICE_TYPE_VENDOR:
 114                 break;
 115         case CONNMAN_DEVICE_TYPE_ETHERNET:
 116                 return "Ethernet";
 117         case CONNMAN_DEVICE_TYPE_WIFI:
 118                 return "Wireless";
 119         case CONNMAN_DEVICE_TYPE_WIMAX:
 120                 return "WiMAX";
 121         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 122                 return "Bluetooth";
 123         case CONNMAN_DEVICE_TYPE_GPS:
 124                 return "GPS";
 125         case CONNMAN_DEVICE_TYPE_CELLULAR:
 126                 return "Cellular";
 127         }
 128
 129         return NULL;
 130 }
 131
 132 static const char *type2string(enum connman_device_type type)
 133 {
 134         switch (type) {
 135         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 136         case CONNMAN_DEVICE_TYPE_VENDOR:
 137                 break;
 138         case CONNMAN_DEVICE_TYPE_ETHERNET:
 139                 return "ethernet";
 140         case CONNMAN_DEVICE_TYPE_WIFI:
 141                 return "wifi";
 142         case CONNMAN_DEVICE_TYPE_WIMAX:
 143                 return "wimax";
 144         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 145                 return "bluetooth";
 146         case CONNMAN_DEVICE_TYPE_GPS:
 147                 return "gps";
 148         case CONNMAN_DEVICE_TYPE_CELLULAR:
 149                 return "cellular";
 150         }
 151
 152         return NULL;
 153 }
 154
 155 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 156 {
 157         enum connman_device_type type = connman_device_get_type(device);
 158
 159         switch (type) {
 160         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 161         case CONNMAN_DEVICE_TYPE_VENDOR:
 162         case CONNMAN_DEVICE_TYPE_GPS:
 163                 break;
 164         case CONNMAN_DEVICE_TYPE_ETHERNET:
 165                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 166         case CONNMAN_DEVICE_TYPE_WIFI:
 167                 return CONNMAN_SERVICE_TYPE_WIFI;
 168         case CONNMAN_DEVICE_TYPE_WIMAX:
 169                 return CONNMAN_SERVICE_TYPE_WIMAX;
 170         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 171                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 172         case CONNMAN_DEVICE_TYPE_CELLULAR:
 173                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 174         }
 175
 176         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 177 }
 178
 179 int __connman_device_enable(struct connman_device *device)
 180 {
 181         int err;
 182
 183         DBG("device %p %d", device, device->blocked);
 184
 185         if (!device->driver || !device->driver->enable)
 186                 return -EOPNOTSUPP;
 187
 188         if (device->powered_pending == TRUE)
 189                 return -EALREADY;
 190
 191         if (device->blocked == TRUE)
 192                 return -ENOLINK;
 193
 194         err = device->driver->enable(device);
 195         if (err < 0) {
 196                 if (err == -EINPROGRESS) {
 197                         device->powered_pending = TRUE;
 198                         device->offlinemode = FALSE;
 199                         if (__connman_profile_get_offlinemode() == TRUE)
 200                                 __connman_profile_set_offlinemode(FALSE, FALSE);
 201                 }
 202                 return err;
 203         }
 204
 205         device->powered_pending = TRUE;
 206         device->powered = TRUE;
 207         device->offlinemode = FALSE;
 208         if (__connman_profile_get_offlinemode() == TRUE)
 209                 __connman_profile_set_offlinemode(FALSE, FALSE);
 210
 211         __connman_technology_enable_device(device);
 212
 213         return 0;
 214 }
 215
 216 int __connman_device_disable(struct connman_device *device)
 217 {
 218         int err;
 219
 220         DBG("device %p", device);
 221
 222         if (!device->driver || !device->driver->disable)
 223                 return -EOPNOTSUPP;
 224
 225         if (device->powered == FALSE)
 226                 return -ENOLINK;
 227
 228         if (device->powered_pending == FALSE)
 229                 return -EALREADY;
 230
 231         device->reconnect = FALSE;
 232
 233         clear_scan_trigger(device);
 234
 235         g_hash_table_remove_all(device->networks);
 236
 237         err = device->driver->disable(device);
 238         if (err < 0) {
 239                 if (err == -EINPROGRESS)
 240                         device->powered_pending = FALSE;
 241                 return err;
 242         }
 243
 244         device->powered_pending = FALSE;
 245         device->powered = FALSE;
 246
 247         __connman_technology_disable_device(device);
 248
 249         return 0;
 250 }
 251
 252 static int set_powered(struct connman_device *device, connman_bool_t powered)
 253 {
 254         DBG("device %p powered %d", device, powered);
 255
 256         if (powered == TRUE)
 257                 return __connman_device_enable(device);
 258         else
 259                 return __connman_device_disable(device);
 260 }
 261
 262 static int setup_device(struct connman_device *device)
 263 {
 264         DBG("device %p", device);
 265
 266         __connman_technology_add_device(device);
 267
 268         if (device->offlinemode == FALSE &&
 269                                 device->powered_persistent == TRUE)
 270                 __connman_device_enable(device);
 271
 272         return 0;
 273 }
 274
 275 static void probe_driver(struct connman_element *element, gpointer user_data)
 276 {
 277         struct connman_device_driver *driver = user_data;
 278
 279         DBG("element %p name %s", element, element->name);
 280
 281         if (element->device == NULL)
 282                 return;
 283
 284         if (element->device->driver != NULL)
 285                 return;
 286
 287         if (driver->type != element->device->type)
 288                 return;
 289
 290         if (driver->probe(element->device) < 0)
 291                 return;
 292
 293         element->device->driver = driver;
 294
 295         __connman_element_set_driver(element);
 296
 297         setup_device(element->device);
 298 }
 299
 300 static void remove_device(struct connman_device *device)
 301 {
 302         int err;
 303
 304         DBG("device %p", device);
 305
 306         err = __connman_device_disable(device);
 307         if (err < 0 && err == -EINPROGRESS)
 308                 __connman_technology_disable_device(device);
 309
 310         __connman_technology_remove_device(device);
 311
 312         if (device->driver->remove)
 313                 device->driver->remove(device);
 314
 315         device->driver = NULL;
 316 }
 317
 318 static void remove_driver(struct connman_element *element, gpointer user_data)
 319 {
 320         struct connman_device_driver *driver = user_data;
 321
 322         DBG("element %p name %s", element, element->name);
 323
 324         if (element->device == NULL)
 325                 return;
 326
 327         if (element->device->driver == driver)
 328                 remove_device(element->device);
 329 }
 330
 331 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 332 {
 333         if (device == NULL || device->driver == NULL)
 334                 return FALSE;
 335
 336         return TRUE;
 337 }
 338
 339 static GSList *driver_list = NULL;
 340
 341 static gint compare_priority(gconstpointer a, gconstpointer b)
 342 {
 343         const struct connman_device_driver *driver1 = a;
 344         const struct connman_device_driver *driver2 = b;
 345
 346         return driver2->priority - driver1->priority;
 347 }
 348
 349 /**
 350  * connman_device_driver_register:
 351  * @driver: device driver definition
 352  *
 353  * Register a new device driver
 354  *
 355  * Returns: %0 on success
 356  */
 357 int connman_device_driver_register(struct connman_device_driver *driver)
 358 {
 359         DBG("driver %p name %s", driver, driver->name);
 360
 361         driver_list = g_slist_insert_sorted(driver_list, driver,
 362                                                         compare_priority);
 363
 364         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 365                                                 probe_driver, driver);
 366
 367         return 0;
 368 }
 369
 370 /**
 371  * connman_device_driver_unregister:
 372  * @driver: device driver definition
 373  *
 374  * Remove a previously registered device driver
 375  */
 376 void connman_device_driver_unregister(struct connman_device_driver *driver)
 377 {
 378         DBG("driver %p name %s", driver, driver->name);
 379
 380         driver_list = g_slist_remove(driver_list, driver);
 381
 382         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 383                                                 remove_driver, driver);
 384 }
 385
 386 static void unregister_network(gpointer data)
 387 {
 388         struct connman_network *network = data;
 389
 390         DBG("network %p", network);
 391
 392         connman_element_unregister((struct connman_element *) network);
 393
 394         __connman_network_set_device(network, NULL);
 395
 396         connman_network_unref(network);
 397 }
 398
 399 static void device_destruct(struct connman_element *element)
 400 {
 401         struct connman_device *device = element->device;
 402
 403         DBG("element %p name %s", element, element->name);
 404
 405         clear_scan_trigger(device);
 406
 407         g_free(device->ident);
 408         g_free(device->node);
 409         g_free(device->name);
 410         g_free(device->address);
 411         g_free(device->interface);
 412
 413         g_free(device->last_network);
 414
 415         g_hash_table_destroy(device->networks);
 416         device->networks = NULL;
 417 }
 418
 419 /**
 420  * connman_device_create:
 421  * @node: device node name (for example an address)
 422  * @type: device type
 423  *
 424  * Allocate a new device of given #type and assign the #node name to it.
 425  *
 426  * Returns: a newly-allocated #connman_device structure
 427  */
 428 struct connman_device *connman_device_create(const char *node,
 429                                                 enum connman_device_type type)
 430 {
 431         struct connman_device *device;
 432         const char *str;
 433         enum connman_service_type service_type;
 434
 435         DBG("node %s type %d", node, type);
 436
 437         device = g_try_new0(struct connman_device, 1);
 438         if (device == NULL)
 439                 return NULL;
 440
 441         DBG("device %p", device);
 442
 443         __connman_element_initialize(&device->element);
 444
 445         device->element.name = g_strdup(node);
 446         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 447
 448         device->element.device = device;
 449         device->element.destruct = device_destruct;
 450
 451         str = type2string(type);
 452         if (str != NULL)
 453                 connman_element_set_string(&device->element,
 454                                         CONNMAN_PROPERTY_ID_TYPE, str);
 455
 456         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 457
 458         device->type = type;
 459         device->name = g_strdup(type2description(device->type));
 460
 461         device->powered_persistent = TRUE;
 462
 463         device->phyindex = -1;
 464
 465         service_type = __connman_device_get_service_type(device);
 466         device->blocked = __connman_technology_get_blocked(service_type);
 467
 468         switch (type) {
 469         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 470         case CONNMAN_DEVICE_TYPE_VENDOR:
 471                 device->scan_interval = 0;
 472                 break;
 473         case CONNMAN_DEVICE_TYPE_ETHERNET:
 474         case CONNMAN_DEVICE_TYPE_WIFI:
 475                 device->scan_interval = 300;
 476                 break;
 477         case CONNMAN_DEVICE_TYPE_WIMAX:
 478                 device->scan_interval = 0;
 479                 break;
 480         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 481                 device->scan_interval = 0;
 482                 break;
 483         case CONNMAN_DEVICE_TYPE_GPS:
 484                 device->scan_interval = 0;
 485                 break;
 486         case CONNMAN_DEVICE_TYPE_CELLULAR:
 487                 device->scan_interval = 0;
 488                 break;
 489         }
 490
 491         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 492                                                 g_free, unregister_network);
 493
 494         return device;
 495 }
 496
 497 /**
 498  * connman_device_ref:
 499  * @device: device structure
 500  *
 501  * Increase reference counter of device
 502  */
 503 struct connman_device *connman_device_ref(struct connman_device *device)
 504 {
 505         if (connman_element_ref(&device->element) == NULL)
 506                 return NULL;
 507
 508         return device;
 509 }
 510
 511 /**
 512  * connman_device_unref:
 513  * @device: device structure
 514  *
 515  * Decrease reference counter of device
 516  */
 517 void connman_device_unref(struct connman_device *device)
 518 {
 519         connman_element_unref(&device->element);
 520 }
 521
 522 const char *__connman_device_get_type(struct connman_device *device)
 523 {
 524         return type2string(device->type);
 525 }
 526
 527 /**
 528  * connman_device_get_type:
 529  * @device: device structure
 530  *
 531  * Get type of device
 532  */
 533 enum connman_device_type connman_device_get_type(struct connman_device *device)
 534 {
 535         return device->type;
 536 }
 537
 538 /**
 539  * connman_device_set_index:
 540  * @device: device structure
 541  * @index: index number
 542  *
 543  * Set index number of device
 544  */
 545 void connman_device_set_index(struct connman_device *device, int index)
 546 {
 547         device->element.index = index;
 548 }
 549
 550 /**
 551  * connman_device_get_index:
 552  * @device: device structure
 553  *
 554  * Get index number of device
 555  */
 556 int connman_device_get_index(struct connman_device *device)
 557 {
 558         return device->element.index;
 559 }
 560
 561 int __connman_device_get_phyindex(struct connman_device *device)
 562 {
 563         return device->phyindex;
 564 }
 565
 566 void __connman_device_set_phyindex(struct connman_device *device,
 567                                                         int phyindex)
 568 {
 569         device->phyindex = phyindex;
 570 }
 571
 572 /**
 573  * connman_device_set_interface:
 574  * @device: device structure
 575  * @interface: interface name
 576  *
 577  * Set interface name of device
 578  */
 579 void connman_device_set_interface(struct connman_device *device,
 580                                                 const char *interface)
 581 {
 582         g_free(device->element.devname);
 583         device->element.devname = g_strdup(interface);
 584
 585         g_free(device->interface);
 586         device->interface = g_strdup(interface);
 587
 588         if (device->name == NULL) {
 589                 const char *str = type2description(device->type);
 590                 if (str != NULL && device->interface != NULL)
 591                         device->name = g_strdup_printf("%s (%s)", str,
 592                                                         device->interface);
 593         }
 594 }
 595
 596 /**
 597  * connman_device_set_ident:
 598  * @device: device structure
 599  * @ident: unique identifier
 600  *
 601  * Set unique identifier of device
 602  */
 603 void connman_device_set_ident(struct connman_device *device,
 604                                                         const char *ident)
 605 {
 606         g_free(device->ident);
 607         device->ident = g_strdup(ident);
 608 }
 609
 610 const char *connman_device_get_ident(struct connman_device *device)
 611 {
 612         return device->ident;
 613 }
 614
 615 /**
 616  * connman_device_set_powered:
 617  * @device: device structure
 618  * @powered: powered state
 619  *
 620  * Change power state of device
 621  */
 622 int connman_device_set_powered(struct connman_device *device,
 623                                                 connman_bool_t powered)
 624 {
 625         DBG("driver %p powered %d", device, powered);
 626
 627         if (device->powered == powered) {
 628                 device->powered_pending = powered;
 629                 return -EALREADY;
 630         }
 631
 632         if (powered == TRUE)
 633                 __connman_device_enable(device);
 634         else
 635                 __connman_device_disable(device);
 636
 637         device->powered = powered;
 638         device->powered_pending = powered;
 639
 640         if (device->powered == TRUE)
 641                 __connman_technology_enable_device(device);
 642         else
 643                 __connman_technology_disable_device(device);
 644
 645         if (device->offlinemode == TRUE && powered == TRUE)
 646                 return connman_device_set_powered(device, FALSE);
 647
 648         if (powered == FALSE)
 649                 return 0;
 650
 651         reset_scan_trigger(device);
 652
 653         if (device->driver->scan)
 654                 device->driver->scan(device);
 655
 656         return 0;
 657 }
 658
 659 int __connman_device_set_blocked(struct connman_device *device,
 660                                                 connman_bool_t blocked)
 661 {
 662         connman_bool_t powered;
 663
 664         DBG("device %p blocked %d", device, blocked);
 665
 666         device->blocked = blocked;
 667
 668         if (device->offlinemode == TRUE)
 669                 return 0;
 670
 671         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
 672
 673         if (blocked == FALSE)
 674                 powered = device->powered_persistent;
 675         else
 676                 powered = FALSE;
 677
 678         return set_powered(device, powered);
 679 }
 680
 681 connman_bool_t __connman_device_get_blocked(struct connman_device *device)
 682 {
 683         return device->blocked;
 684 }
 685
 686 int __connman_device_scan(struct connman_device *device)
 687 {
 688         if (!device->driver || !device->driver->scan)
 689                 return -EOPNOTSUPP;
 690
 691         if (device->powered == FALSE)
 692                 return -ENOLINK;
 693
 694         reset_scan_trigger(device);
 695
 696         return device->driver->scan(device);
 697 }
 698
 699 int __connman_device_enable_persistent(struct connman_device *device)
 700 {
 701         int err;
 702
 703         DBG("device %p", device);
 704
 705         device->powered_persistent = TRUE;
 706
 707         __connman_storage_save_device(device);
 708
 709         err = __connman_device_enable(device);
 710         if (err == 0 || err == -EINPROGRESS) {
 711                 device->offlinemode = FALSE;
 712                 if (__connman_profile_get_offlinemode() == TRUE) {
 713                         __connman_profile_set_offlinemode(FALSE, FALSE);
 714
 715                         __connman_profile_save_default();
 716                 }
 717         }
 718
 719         return err;
 720 }
 721
 722 int __connman_device_disable_persistent(struct connman_device *device)
 723 {
 724         DBG("device %p", device);
 725
 726         device->powered_persistent = FALSE;
 727
 728         __connman_storage_save_device(device);
 729
 730         return __connman_device_disable(device);
 731 }
 732
 733 int __connman_device_disconnect(struct connman_device *device)
 734 {
 735         GHashTableIter iter;
 736         gpointer key, value;
 737
 738         DBG("device %p", device);
 739
 740         connman_device_set_disconnected(device, TRUE);
 741
 742         g_hash_table_iter_init(&iter, device->networks);
 743
 744         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 745                 struct connman_network *network = value;
 746
 747                 if (__connman_network_get_connecting(network) == TRUE) {
 748                         /*
 749                          * Skip network in the process of connecting.
 750                          * This is a workaround for WiFi networks serviced
 751                          * by the supplicant plugin that hold a reference
 752                          * to the network.  If we disconnect the network
 753                          * here then the referenced object will not be
 754                          * registered and usage (like launching DHCP client)
 755                          * will fail.  There is nothing to be gained by
 756                          * removing the network here anyway.
 757                          */
 758                         connman_warn("Skipping disconnect of %s",
 759                                 connman_network_get_identifier(network));
 760                         continue;
 761                 }
 762
 763                 __connman_network_disconnect(network);
 764         }
 765
 766         return 0;
 767 }
 768
 769 static void mark_network_unavailable(gpointer key, gpointer value,
 770                                                         gpointer user_data)
 771 {
 772         struct connman_network *network = value;
 773
 774         if (connman_network_get_connected(network) == TRUE)
 775                 return;
 776
 777         connman_network_set_available(network, FALSE);
 778 }
 779
 780 static gboolean remove_unavailable_network(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 FALSE;
 787
 788         if (connman_network_get_available(network) == TRUE)
 789                 return FALSE;
 790
 791         return TRUE;
 792 }
 793
 794 void __connman_device_cleanup_networks(struct connman_device *device)
 795 {
 796         g_hash_table_foreach_remove(device->networks,
 797                                         remove_unavailable_network, NULL);
 798 }
 799
 800 /**
 801  * connman_device_set_scanning:
 802  * @device: device structure
 803  * @scanning: scanning state
 804  *
 805  * Change scanning state of device
 806  */
 807 int connman_device_set_scanning(struct connman_device *device,
 808                                                 connman_bool_t scanning)
 809 {
 810         DBG("device %p scanning %d", device, scanning);
 811
 812         if (!device->driver || !device->driver->scan)
 813                 return -EINVAL;
 814
 815         if (device->scanning == scanning)
 816                 return -EALREADY;
 817
 818         device->scanning = scanning;
 819
 820         if (scanning == TRUE) {
 821                 reset_scan_trigger(device);
 822
 823                 g_hash_table_foreach(device->networks,
 824                                         mark_network_unavailable, NULL);
 825
 826                 return 0;
 827         }
 828
 829         __connman_device_cleanup_networks(device);
 830
 831         if (device->connections > 0)
 832                 return 0;
 833
 834         if (device->disconnected == TRUE)
 835                 return 0;
 836
 837         __connman_service_auto_connect();
 838
 839         return 0;
 840 }
 841
 842 /**
 843  * connman_device_set_disconnected:
 844  * @device: device structure
 845  * @disconnected: disconnected state
 846  *
 847  * Change disconnected state of device (only for device with networks)
 848  */
 849 int connman_device_set_disconnected(struct connman_device *device,
 850                                                 connman_bool_t disconnected)
 851 {
 852         DBG("device %p disconnected %d", device, disconnected);
 853
 854         if (device->disconnected == disconnected)
 855                 return -EALREADY;
 856
 857         device->disconnected = disconnected;
 858
 859         if (disconnected == TRUE)
 860                 force_scan_trigger(device);
 861
 862         return 0;
 863 }
 864
 865 /**
 866  * connman_device_get_disconnected:
 867  * @device: device structure
 868  *
 869  * Get device disconnected state
 870  */
 871 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 872 {
 873         return device->disconnected;
 874 }
 875
 876 /**
 877  * connman_device_set_string:
 878  * @device: device structure
 879  * @key: unique identifier
 880  * @value: string value
 881  *
 882  * Set string value for specific key
 883  */
 884 int connman_device_set_string(struct connman_device *device,
 885                                         const char *key, const char *value)
 886 {
 887         DBG("device %p key %s value %s", device, key, value);
 888
 889         if (g_str_equal(key, "Address") == TRUE) {
 890                 g_free(device->address);
 891                 device->address = g_strdup(value);
 892         } else if (g_str_equal(key, "Name") == TRUE) {
 893                 g_free(device->name);
 894                 device->name = g_strdup(value);
 895         } else if (g_str_equal(key, "Node") == TRUE) {
 896                 g_free(device->node);
 897                 device->node = g_strdup(value);
 898         }
 899
 900         return connman_element_set_string(&device->element, key, value);
 901 }
 902
 903 /**
 904  * connman_device_get_string:
 905  * @device: device structure
 906  * @key: unique identifier
 907  *
 908  * Get string value for specific key
 909  */
 910 const char *connman_device_get_string(struct connman_device *device,
 911                                                         const char *key)
 912 {
 913         DBG("device %p key %s", device, key);
 914
 915         if (g_str_equal(key, "Address") == TRUE)
 916                 return device->address;
 917         else if (g_str_equal(key, "Name") == TRUE)
 918                 return device->name;
 919         else if (g_str_equal(key, "Node") == TRUE)
 920                 return device->node;
 921         else if (g_str_equal(key, "Interface") == TRUE)
 922                 return device->interface;
 923
 924         return connman_element_get_string(&device->element, key);
 925 }
 926
 927 static void set_offlinemode(struct connman_element *element, gpointer user_data)
 928 {
 929         struct connman_device *device = element->device;
 930         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
 931         connman_bool_t powered;
 932
 933         DBG("element %p name %s", element, element->name);
 934
 935         if (device == NULL)
 936                 return;
 937
 938         device->offlinemode = offlinemode;
 939
 940         if (device->blocked == TRUE)
 941                 return;
 942
 943         powered = (offlinemode == TRUE) ? FALSE : TRUE;
 944
 945         if (device->powered == powered)
 946                 return;
 947
 948         if (device->powered_persistent == FALSE)
 949                 powered = FALSE;
 950
 951         set_powered(device, powered);
 952 }
 953
 954 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
 955 {
 956         DBG("offlinmode %d", offlinemode);
 957
 958         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 959                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
 960
 961         __connman_notifier_offlinemode(offlinemode);
 962
 963         return 0;
 964 }
 965
 966 void __connman_device_increase_connections(struct connman_device *device)
 967 {
 968         if (device == NULL)
 969                 return;
 970
 971         device->connections++;
 972 }
 973
 974 void __connman_device_decrease_connections(struct connman_device *device)
 975 {
 976         if (device == NULL)
 977                 return;
 978
 979         device->connections--;
 980 }
 981
 982 /**
 983  * connman_device_add_network:
 984  * @device: device structure
 985  * @network: network structure
 986  *
 987  * Add new network to the device
 988  */
 989 int connman_device_add_network(struct connman_device *device,
 990                                         struct connman_network *network)
 991 {
 992         const char *identifier = connman_network_get_identifier(network);
 993         int err;
 994
 995         DBG("device %p network %p", device, network);
 996
 997         if (identifier == NULL)
 998                 return -EINVAL;
 999
1000         __connman_network_set_device(network, device);
1001
1002         err = connman_element_register((struct connman_element *) network,
1003                                                         &device->element);
1004         if (err < 0) {
1005                 __connman_network_set_device(network, NULL);
1006                 return err;
1007         }
1008
1009         g_hash_table_insert(device->networks, g_strdup(identifier),
1010                                                                 network);
1011
1012         return 0;
1013 }
1014
1015 /**
1016  * connman_device_get_network:
1017  * @device: device structure
1018  * @identifier: network identifier
1019  *
1020  * Get network for given identifier
1021  */
1022 struct connman_network *connman_device_get_network(struct connman_device *device,
1023                                                         const char *identifier)
1024 {
1025         DBG("device %p identifier %s", device, identifier);
1026
1027         return g_hash_table_lookup(device->networks, identifier);
1028 }
1029
1030 /**
1031  * connman_device_remove_network:
1032  * @device: device structure
1033  * @identifier: network identifier
1034  *
1035  * Remove network for given identifier
1036  */
1037 int connman_device_remove_network(struct connman_device *device,
1038                                                         const char *identifier)
1039 {
1040         DBG("device %p identifier %s", device, identifier);
1041
1042         g_hash_table_remove(device->networks, identifier);
1043
1044         return 0;
1045 }
1046
1047 void connman_device_remove_all_networks(struct connman_device *device)
1048 {
1049         g_hash_table_remove_all(device->networks);
1050 }
1051
1052 void __connman_device_set_network(struct connman_device *device,
1053                                         struct connman_network *network)
1054 {
1055         const char *name;
1056
1057         if (device == NULL)
1058                 return;
1059
1060         if (device->network == network)
1061                 return;
1062
1063         if (device->network != NULL)
1064                 connman_network_unref(device->network);
1065
1066         if (network != NULL) {
1067                 name = connman_network_get_string(network,
1068                                                 CONNMAN_PROPERTY_ID_NAME);
1069                 g_free(device->last_network);
1070                 device->last_network = g_strdup(name);
1071
1072                 device->network = connman_network_ref(network);
1073         } else {
1074                 g_free(device->last_network);
1075                 device->last_network = NULL;
1076
1077                 device->network = NULL;
1078         }
1079 }
1080
1081 void __connman_device_set_reconnect(struct connman_device *device,
1082                                                 connman_bool_t reconnect)
1083 {
1084         device->reconnect = reconnect;
1085 }
1086
1087 connman_bool_t  __connman_device_get_reconnect(
1088                                 struct connman_device *device)
1089 {
1090         return device->reconnect;
1091 }
1092
1093 /**
1094  * connman_device_register:
1095  * @device: device structure
1096  *
1097  * Register device with the system
1098  */
1099 int connman_device_register(struct connman_device *device)
1100 {
1101         __connman_storage_load_device(device);
1102
1103         device->offlinemode = __connman_profile_get_offlinemode();
1104
1105         return connman_element_register(&device->element, NULL);
1106 }
1107
1108 /**
1109  * connman_device_unregister:
1110  * @device: device structure
1111  *
1112  * Unregister device with the system
1113  */
1114 void connman_device_unregister(struct connman_device *device)
1115 {
1116         __connman_storage_save_device(device);
1117
1118         connman_element_unregister(&device->element);
1119 }
1120
1121 /**
1122  * connman_device_get_data:
1123  * @device: device structure
1124  *
1125  * Get private device data pointer
1126  */
1127 void *connman_device_get_data(struct connman_device *device)
1128 {
1129         return device->driver_data;
1130 }
1131
1132 /**
1133  * connman_device_set_data:
1134  * @device: device structure
1135  * @data: data pointer
1136  *
1137  * Set private device data pointer
1138  */
1139 void connman_device_set_data(struct connman_device *device, void *data)
1140 {
1141         device->driver_data = data;
1142 }
1143
1144 static gboolean match_driver(struct connman_device *device,
1145                                         struct connman_device_driver *driver)
1146 {
1147         if (device->type == driver->type ||
1148                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1149                 return TRUE;
1150
1151         return FALSE;
1152 }
1153
1154 static int device_probe(struct connman_element *element)
1155 {
1156         struct connman_device *device = element->device;
1157         GSList *list;
1158
1159         DBG("element %p name %s", element, element->name);
1160
1161         if (device == NULL)
1162                 return -ENODEV;
1163
1164         if (device->driver != NULL)
1165                 return -EALREADY;
1166
1167         for (list = driver_list; list; list = list->next) {
1168                 struct connman_device_driver *driver = list->data;
1169
1170                 if (match_driver(device, driver) == FALSE)
1171                         continue;
1172
1173                 DBG("driver %p name %s", driver, driver->name);
1174
1175                 if (driver->probe(device) == 0) {
1176                         device->driver = driver;
1177                         break;
1178                 }
1179         }
1180
1181         if (device->driver == NULL)
1182                 return -ENODEV;
1183
1184         return setup_device(device);
1185 }
1186
1187 static void device_remove(struct connman_element *element)
1188 {
1189         struct connman_device *device = element->device;
1190
1191         DBG("element %p name %s", element, element->name);
1192
1193         if (device == NULL)
1194                 return;
1195
1196         if (device->driver == NULL)
1197                 return;
1198
1199         remove_device(device);
1200 }
1201
1202 static struct connman_driver device_driver = {
1203         .name           = "device",
1204         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1205         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1206         .probe          = device_probe,
1207         .remove         = device_remove,
1208 };
1209
1210 static int device_load(struct connman_device *device)
1211 {
1212         const char *ident = __connman_profile_active_ident();
1213         GKeyFile *keyfile;
1214         GError *error = NULL;
1215         gchar *identifier;
1216         connman_bool_t powered;
1217         int val;
1218
1219         DBG("device %p", device);
1220
1221         keyfile = __connman_storage_open_profile(ident);
1222         if (keyfile == NULL)
1223                 return 0;
1224
1225         identifier = g_strdup_printf("device_%s", device->element.name);
1226         if (identifier == NULL)
1227                 goto done;
1228
1229         powered = g_key_file_get_boolean(keyfile, identifier,
1230                                                 "Powered", &error);
1231         if (error == NULL)
1232                 device->powered_persistent = powered;
1233         g_clear_error(&error);
1234
1235         val = g_key_file_get_integer(keyfile, identifier,
1236                                                 "ScanInterval", &error);
1237         if (error == NULL)
1238                 device->scan_interval = val;
1239         g_clear_error(&error);
1240
1241 done:
1242         g_free(identifier);
1243
1244         __connman_storage_close_profile(ident, keyfile, FALSE);
1245
1246         return 0;
1247 }
1248
1249 static int device_save(struct connman_device *device)
1250 {
1251         const char *ident = __connman_profile_active_ident();
1252         GKeyFile *keyfile;
1253         gchar *identifier;
1254
1255         DBG("device %p", device);
1256
1257         keyfile = __connman_storage_open_profile(ident);
1258         if (keyfile == NULL)
1259                 return 0;
1260
1261         identifier = g_strdup_printf("device_%s", device->element.name);
1262         if (identifier == NULL)
1263                 goto done;
1264
1265         g_key_file_set_boolean(keyfile, identifier,
1266                                         "Powered", device->powered_persistent);
1267
1268         g_key_file_set_integer(keyfile, identifier,
1269                                         "ScanInterval", device->scan_interval);
1270
1271 done:
1272         g_free(identifier);
1273
1274         __connman_storage_close_profile(ident, keyfile, TRUE);
1275
1276         return 0;
1277 }
1278
1279 static struct connman_storage device_storage = {
1280         .name           = "device",
1281         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1282         .device_load    = device_load,
1283         .device_save    = device_save,
1284 };
1285
1286 int __connman_device_init(void)
1287 {
1288         DBG("");
1289
1290         if (connman_storage_register(&device_storage) < 0)
1291                 connman_error("Failed to register device storage");
1292
1293         return connman_driver_register(&device_driver);
1294 }
1295
1296 void __connman_device_cleanup(void)
1297 {
1298         DBG("");
1299
1300         connman_driver_unregister(&device_driver);
1301
1302         connman_storage_unregister(&device_storage);
1303 }