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_get_name:
 542  * @device: device structure
 543  *
 544  * Get unique name of device
 545  */
 546 const char *connman_device_get_name(struct connman_device *device)
 547 {
 548         return device->element.name;
 549 }
 550
 551 /**
 552  * connman_device_get_path:
 553  * @device: device structure
 554  *
 555  * Get path name of device
 556  */
 557 const char *connman_device_get_path(struct connman_device *device)
 558 {
 559         return device->element.path;
 560 }
 561
 562 /**
 563  * connman_device_set_index:
 564  * @device: device structure
 565  * @index: index number
 566  *
 567  * Set index number of device
 568  */
 569 void connman_device_set_index(struct connman_device *device, int index)
 570 {
 571         device->element.index = index;
 572 }
 573
 574 /**
 575  * connman_device_get_index:
 576  * @device: device structure
 577  *
 578  * Get index number of device
 579  */
 580 int connman_device_get_index(struct connman_device *device)
 581 {
 582         return device->element.index;
 583 }
 584
 585 int __connman_device_get_phyindex(struct connman_device *device)
 586 {
 587         return device->phyindex;
 588 }
 589
 590 void __connman_device_set_phyindex(struct connman_device *device,
 591                                                         int phyindex)
 592 {
 593         device->phyindex = phyindex;
 594 }
 595
 596 /**
 597  * connman_device_set_interface:
 598  * @device: device structure
 599  * @interface: interface name
 600  * @control: control interface
 601  *
 602  * Set interface name of device
 603  */
 604 void connman_device_set_interface(struct connman_device *device,
 605                                 const char *interface, const char *control)
 606 {
 607         g_free(device->element.devname);
 608         device->element.devname = g_strdup(interface);
 609
 610         g_free(device->interface);
 611         device->interface = g_strdup(interface);
 612
 613         g_free(device->control);
 614         device->control = g_strdup(control);
 615
 616         if (device->name == NULL) {
 617                 const char *str = type2description(device->type);
 618                 if (str != NULL && device->interface != NULL)
 619                         device->name = g_strdup_printf("%s (%s)", str,
 620                                                         device->interface);
 621         }
 622 }
 623
 624 const char *connman_device_get_control(struct connman_device *device)
 625 {
 626         return device->control;
 627 }
 628
 629 /**
 630  * connman_device_set_ident:
 631  * @device: device structure
 632  * @ident: unique identifier
 633  *
 634  * Set unique identifier of device
 635  */
 636 void connman_device_set_ident(struct connman_device *device,
 637                                                         const char *ident)
 638 {
 639         g_free(device->ident);
 640         device->ident = g_strdup(ident);
 641 }
 642
 643 const char *connman_device_get_ident(struct connman_device *device)
 644 {
 645         return device->ident;
 646 }
 647
 648 /**
 649  * connman_device_set_powered:
 650  * @device: device structure
 651  * @powered: powered state
 652  *
 653  * Change power state of device
 654  */
 655 int connman_device_set_powered(struct connman_device *device,
 656                                                 connman_bool_t powered)
 657 {
 658         DBG("driver %p powered %d", device, powered);
 659
 660         if (device->powered == powered) {
 661                 device->powered_pending = powered;
 662                 return -EALREADY;
 663         }
 664
 665         if (powered == TRUE)
 666                 __connman_device_enable(device);
 667         else
 668                 __connman_device_disable(device);
 669
 670         device->powered = powered;
 671         device->powered_pending = powered;
 672
 673         if (device->powered == TRUE)
 674                 __connman_technology_enable_device(device);
 675         else
 676                 __connman_technology_disable_device(device);
 677
 678         if (device->offlinemode == TRUE && powered == TRUE)
 679                 return connman_device_set_powered(device, FALSE);
 680
 681         if (powered == FALSE)
 682                 return 0;
 683
 684         reset_scan_trigger(device);
 685
 686         if (device->driver->scan)
 687                 device->driver->scan(device);
 688
 689         return 0;
 690 }
 691
 692 int __connman_device_set_blocked(struct connman_device *device,
 693                                                 connman_bool_t blocked)
 694 {
 695         connman_bool_t powered;
 696
 697         DBG("device %p blocked %d", device, blocked);
 698
 699         device->blocked = blocked;
 700
 701         if (device->offlinemode == TRUE)
 702                 return 0;
 703
 704         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
 705
 706         if (blocked == FALSE)
 707                 powered = device->powered_persistent;
 708         else
 709                 powered = FALSE;
 710
 711         return set_powered(device, powered);
 712 }
 713
 714 connman_bool_t __connman_device_get_blocked(struct connman_device *device)
 715 {
 716         return device->blocked;
 717 }
 718
 719 int __connman_device_scan(struct connman_device *device)
 720 {
 721         if (!device->driver || !device->driver->scan)
 722                 return -EOPNOTSUPP;
 723
 724         if (device->powered == FALSE)
 725                 return -ENOLINK;
 726
 727         reset_scan_trigger(device);
 728
 729         return device->driver->scan(device);
 730 }
 731
 732 int __connman_device_enable_persistent(struct connman_device *device)
 733 {
 734         int err;
 735
 736         DBG("device %p", device);
 737
 738         device->powered_persistent = TRUE;
 739
 740         __connman_storage_save_device(device);
 741
 742         err = __connman_device_enable(device);
 743         if (err == 0 || err == -EINPROGRESS) {
 744                 device->offlinemode = FALSE;
 745                 if (__connman_profile_get_offlinemode() == TRUE) {
 746                         __connman_profile_set_offlinemode(FALSE, FALSE);
 747
 748                         __connman_profile_save_default();
 749                 }
 750         }
 751
 752         return err;
 753 }
 754
 755 int __connman_device_disable_persistent(struct connman_device *device)
 756 {
 757         DBG("device %p", device);
 758
 759         device->powered_persistent = FALSE;
 760
 761         __connman_storage_save_device(device);
 762
 763         return __connman_device_disable(device);
 764 }
 765
 766 int __connman_device_disconnect(struct connman_device *device)
 767 {
 768         GHashTableIter iter;
 769         gpointer key, value;
 770
 771         DBG("device %p", device);
 772
 773         connman_device_set_disconnected(device, TRUE);
 774
 775         g_hash_table_iter_init(&iter, device->networks);
 776
 777         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 778                 struct connman_network *network = value;
 779
 780                 if (__connman_network_get_connecting(network) == TRUE) {
 781                         /*
 782                          * Skip network in the process of connecting.
 783                          * This is a workaround for WiFi networks serviced
 784                          * by the supplicant plugin that hold a reference
 785                          * to the network.  If we disconnect the network
 786                          * here then the referenced object will not be
 787                          * registered and usage (like launching DHCP client)
 788                          * will fail.  There is nothing to be gained by
 789                          * removing the network here anyway.
 790                          */
 791                         connman_warn("Skipping disconnect of %s",
 792                                 connman_network_get_identifier(network));
 793                         continue;
 794                 }
 795
 796                 __connman_network_disconnect(network);
 797         }
 798
 799         return 0;
 800 }
 801
 802 static void mark_network_unavailable(gpointer key, gpointer value,
 803                                                         gpointer user_data)
 804 {
 805         struct connman_network *network = value;
 806
 807         if (connman_network_get_connected(network) == TRUE)
 808                 return;
 809
 810         connman_network_set_available(network, FALSE);
 811 }
 812
 813 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 814                                                         gpointer user_data)
 815 {
 816         struct connman_network *network = value;
 817
 818         if (connman_network_get_connected(network) == TRUE)
 819                 return FALSE;
 820
 821         if (connman_network_get_available(network) == TRUE)
 822                 return FALSE;
 823
 824         return TRUE;
 825 }
 826
 827 void __connman_device_cleanup_networks(struct connman_device *device)
 828 {
 829         g_hash_table_foreach_remove(device->networks,
 830                                         remove_unavailable_network, NULL);
 831 }
 832
 833 /**
 834  * connman_device_set_scanning:
 835  * @device: device structure
 836  * @scanning: scanning state
 837  *
 838  * Change scanning state of device
 839  */
 840 int connman_device_set_scanning(struct connman_device *device,
 841                                                 connman_bool_t scanning)
 842 {
 843         DBG("device %p scanning %d", device, scanning);
 844
 845         if (!device->driver || !device->driver->scan)
 846                 return -EINVAL;
 847
 848         if (device->scanning == scanning)
 849                 return -EALREADY;
 850
 851         device->scanning = scanning;
 852
 853         if (scanning == TRUE) {
 854                 reset_scan_trigger(device);
 855
 856                 g_hash_table_foreach(device->networks,
 857                                         mark_network_unavailable, NULL);
 858
 859                 return 0;
 860         }
 861
 862         __connman_device_cleanup_networks(device);
 863
 864         if (device->connections > 0)
 865                 return 0;
 866
 867         if (device->disconnected == TRUE)
 868                 return 0;
 869
 870         __connman_service_auto_connect();
 871
 872         return 0;
 873 }
 874
 875 /**
 876  * connman_device_set_disconnected:
 877  * @device: device structure
 878  * @disconnected: disconnected state
 879  *
 880  * Change disconnected state of device (only for device with networks)
 881  */
 882 int connman_device_set_disconnected(struct connman_device *device,
 883                                                 connman_bool_t disconnected)
 884 {
 885         DBG("device %p disconnected %d", device, disconnected);
 886
 887         if (device->disconnected == disconnected)
 888                 return -EALREADY;
 889
 890         device->disconnected = disconnected;
 891
 892         if (disconnected == TRUE)
 893                 force_scan_trigger(device);
 894
 895         return 0;
 896 }
 897
 898 /**
 899  * connman_device_get_disconnected:
 900  * @device: device structure
 901  *
 902  * Get device disconnected state
 903  */
 904 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 905 {
 906         return device->disconnected;
 907 }
 908
 909 /**
 910  * connman_device_set_string:
 911  * @device: device structure
 912  * @key: unique identifier
 913  * @value: string value
 914  *
 915  * Set string value for specific key
 916  */
 917 int connman_device_set_string(struct connman_device *device,
 918                                         const char *key, const char *value)
 919 {
 920         DBG("device %p key %s value %s", device, key, value);
 921
 922         if (g_str_equal(key, "Address") == TRUE) {
 923                 g_free(device->address);
 924                 device->address = g_strdup(value);
 925         } else if (g_str_equal(key, "Name") == TRUE) {
 926                 g_free(device->name);
 927                 device->name = g_strdup(value);
 928         } else if (g_str_equal(key, "Node") == TRUE) {
 929                 g_free(device->node);
 930                 device->node = g_strdup(value);
 931         }
 932
 933         return connman_element_set_string(&device->element, key, value);
 934 }
 935
 936 /**
 937  * connman_device_get_string:
 938  * @device: device structure
 939  * @key: unique identifier
 940  *
 941  * Get string value for specific key
 942  */
 943 const char *connman_device_get_string(struct connman_device *device,
 944                                                         const char *key)
 945 {
 946         DBG("device %p key %s", device, key);
 947
 948         if (g_str_equal(key, "Address") == TRUE)
 949                 return device->address;
 950         else if (g_str_equal(key, "Name") == TRUE)
 951                 return device->name;
 952         else if (g_str_equal(key, "Node") == TRUE)
 953                 return device->node;
 954         else if (g_str_equal(key, "Interface") == TRUE)
 955                 return device->interface;
 956
 957         return connman_element_get_string(&device->element, key);
 958 }
 959
 960 static void set_offlinemode(struct connman_element *element, gpointer user_data)
 961 {
 962         struct connman_device *device = element->device;
 963         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
 964         connman_bool_t powered;
 965
 966         DBG("element %p name %s", element, element->name);
 967
 968         if (device == NULL)
 969                 return;
 970
 971         device->offlinemode = offlinemode;
 972
 973         if (device->blocked == TRUE)
 974                 return;
 975
 976         powered = (offlinemode == TRUE) ? FALSE : TRUE;
 977
 978         if (device->powered == powered)
 979                 return;
 980
 981         if (device->powered_persistent == FALSE)
 982                 powered = FALSE;
 983
 984         set_powered(device, powered);
 985 }
 986
 987 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
 988 {
 989         DBG("offlinmode %d", offlinemode);
 990
 991         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 992                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
 993
 994         __connman_notifier_offlinemode(offlinemode);
 995
 996         return 0;
 997 }
 998
 999 void __connman_device_increase_connections(struct connman_device *device)
1000 {
1001         if (device == NULL)
1002                 return;
1003
1004         device->connections++;
1005 }
1006
1007 void __connman_device_decrease_connections(struct connman_device *device)
1008 {
1009         if (device == NULL)
1010                 return;
1011
1012         device->connections--;
1013 }
1014
1015 /**
1016  * connman_device_add_network:
1017  * @device: device structure
1018  * @network: network structure
1019  *
1020  * Add new network to the device
1021  */
1022 int connman_device_add_network(struct connman_device *device,
1023                                         struct connman_network *network)
1024 {
1025         const char *identifier = connman_network_get_identifier(network);
1026         int err;
1027
1028         DBG("device %p network %p", device, network);
1029
1030         if (identifier == NULL)
1031                 return -EINVAL;
1032
1033         __connman_network_set_device(network, device);
1034
1035         err = connman_element_register((struct connman_element *) network,
1036                                                         &device->element);
1037         if (err < 0) {
1038                 __connman_network_set_device(network, NULL);
1039                 return err;
1040         }
1041
1042         g_hash_table_insert(device->networks, g_strdup(identifier),
1043                                                                 network);
1044
1045         return 0;
1046 }
1047
1048 /**
1049  * connman_device_get_network:
1050  * @device: device structure
1051  * @identifier: network identifier
1052  *
1053  * Get network for given identifier
1054  */
1055 struct connman_network *connman_device_get_network(struct connman_device *device,
1056                                                         const char *identifier)
1057 {
1058         DBG("device %p identifier %s", device, identifier);
1059
1060         return g_hash_table_lookup(device->networks, identifier);
1061 }
1062
1063 /**
1064  * connman_device_remove_network:
1065  * @device: device structure
1066  * @identifier: network identifier
1067  *
1068  * Remove network for given identifier
1069  */
1070 int connman_device_remove_network(struct connman_device *device,
1071                                                         const char *identifier)
1072 {
1073         DBG("device %p identifier %s", device, identifier);
1074
1075         g_hash_table_remove(device->networks, identifier);
1076
1077         return 0;
1078 }
1079
1080 void connman_device_remove_all_networks(struct connman_device *device)
1081 {
1082         g_hash_table_remove_all(device->networks);
1083 }
1084
1085 void __connman_device_set_network(struct connman_device *device,
1086                                         struct connman_network *network)
1087 {
1088         const char *name;
1089
1090         if (device == NULL)
1091                 return;
1092
1093         if (device->network == network)
1094                 return;
1095
1096         if (device->network != NULL)
1097                 connman_network_unref(device->network);
1098
1099         if (network != NULL) {
1100                 name = connman_network_get_string(network,
1101                                                 CONNMAN_PROPERTY_ID_NAME);
1102                 g_free(device->last_network);
1103                 device->last_network = g_strdup(name);
1104
1105                 device->network = connman_network_ref(network);
1106         } else {
1107                 g_free(device->last_network);
1108                 device->last_network = NULL;
1109
1110                 device->network = NULL;
1111         }
1112 }
1113
1114 void __connman_device_set_reconnect(struct connman_device *device,
1115                                                 connman_bool_t reconnect)
1116 {
1117         device->reconnect = reconnect;
1118 }
1119
1120 connman_bool_t  __connman_device_get_reconnect(
1121                                 struct connman_device *device)
1122 {
1123         return device->reconnect;
1124 }
1125
1126 /**
1127  * connman_device_register:
1128  * @device: device structure
1129  *
1130  * Register device with the system
1131  */
1132 int connman_device_register(struct connman_device *device)
1133 {
1134         __connman_storage_load_device(device);
1135
1136         device->offlinemode = __connman_profile_get_offlinemode();
1137
1138         return connman_element_register(&device->element, NULL);
1139 }
1140
1141 /**
1142  * connman_device_unregister:
1143  * @device: device structure
1144  *
1145  * Unregister device with the system
1146  */
1147 void connman_device_unregister(struct connman_device *device)
1148 {
1149         __connman_storage_save_device(device);
1150
1151         connman_element_unregister(&device->element);
1152 }
1153
1154 /**
1155  * connman_device_get_data:
1156  * @device: device structure
1157  *
1158  * Get private device data pointer
1159  */
1160 void *connman_device_get_data(struct connman_device *device)
1161 {
1162         return device->driver_data;
1163 }
1164
1165 /**
1166  * connman_device_set_data:
1167  * @device: device structure
1168  * @data: data pointer
1169  *
1170  * Set private device data pointer
1171  */
1172 void connman_device_set_data(struct connman_device *device, void *data)
1173 {
1174         device->driver_data = data;
1175 }
1176
1177 static gboolean match_driver(struct connman_device *device,
1178                                         struct connman_device_driver *driver)
1179 {
1180         if (device->type == driver->type ||
1181                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1182                 return TRUE;
1183
1184         return FALSE;
1185 }
1186
1187 static int device_probe(struct connman_element *element)
1188 {
1189         struct connman_device *device = element->device;
1190         GSList *list;
1191
1192         DBG("element %p name %s", element, element->name);
1193
1194         if (device == NULL)
1195                 return -ENODEV;
1196
1197         if (device->driver != NULL)
1198                 return -EALREADY;
1199
1200         for (list = driver_list; list; list = list->next) {
1201                 struct connman_device_driver *driver = list->data;
1202
1203                 if (match_driver(device, driver) == FALSE)
1204                         continue;
1205
1206                 DBG("driver %p name %s", driver, driver->name);
1207
1208                 if (driver->probe(device) == 0) {
1209                         device->driver = driver;
1210                         break;
1211                 }
1212         }
1213
1214         if (device->driver == NULL)
1215                 return -ENODEV;
1216
1217         return setup_device(device);
1218 }
1219
1220 static void device_remove(struct connman_element *element)
1221 {
1222         struct connman_device *device = element->device;
1223
1224         DBG("element %p name %s", element, element->name);
1225
1226         if (device == NULL)
1227                 return;
1228
1229         if (device->driver == NULL)
1230                 return;
1231
1232         remove_device(device);
1233 }
1234
1235 static struct connman_driver device_driver = {
1236         .name           = "device",
1237         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1238         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1239         .probe          = device_probe,
1240         .remove         = device_remove,
1241 };
1242
1243 static int device_load(struct connman_device *device)
1244 {
1245         const char *ident = __connman_profile_active_ident();
1246         GKeyFile *keyfile;
1247         GError *error = NULL;
1248         gchar *identifier;
1249         connman_bool_t powered;
1250         int val;
1251
1252         DBG("device %p", device);
1253
1254         keyfile = __connman_storage_open_profile(ident);
1255         if (keyfile == NULL)
1256                 return 0;
1257
1258         identifier = g_strdup_printf("device_%s", device->element.name);
1259         if (identifier == NULL)
1260                 goto done;
1261
1262         powered = g_key_file_get_boolean(keyfile, identifier,
1263                                                 "Powered", &error);
1264         if (error == NULL)
1265                 device->powered_persistent = powered;
1266         g_clear_error(&error);
1267
1268         val = g_key_file_get_integer(keyfile, identifier,
1269                                                 "ScanInterval", &error);
1270         if (error == NULL)
1271                 device->scan_interval = val;
1272         g_clear_error(&error);
1273
1274 done:
1275         g_free(identifier);
1276
1277         __connman_storage_close_profile(ident, keyfile, FALSE);
1278
1279         return 0;
1280 }
1281
1282 static int device_save(struct connman_device *device)
1283 {
1284         const char *ident = __connman_profile_active_ident();
1285         GKeyFile *keyfile;
1286         gchar *identifier;
1287
1288         DBG("device %p", device);
1289
1290         keyfile = __connman_storage_open_profile(ident);
1291         if (keyfile == NULL)
1292                 return 0;
1293
1294         identifier = g_strdup_printf("device_%s", device->element.name);
1295         if (identifier == NULL)
1296                 goto done;
1297
1298         g_key_file_set_boolean(keyfile, identifier,
1299                                         "Powered", device->powered_persistent);
1300
1301         g_key_file_set_integer(keyfile, identifier,
1302                                         "ScanInterval", device->scan_interval);
1303
1304 done:
1305         g_free(identifier);
1306
1307         __connman_storage_close_profile(ident, keyfile, TRUE);
1308
1309         return 0;
1310 }
1311
1312 static struct connman_storage device_storage = {
1313         .name           = "device",
1314         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1315         .device_load    = device_load,
1316         .device_save    = device_save,
1317 };
1318
1319 int __connman_device_init(void)
1320 {
1321         DBG("");
1322
1323         if (connman_storage_register(&device_storage) < 0)
1324                 connman_error("Failed to register device storage");
1325
1326         return connman_driver_register(&device_driver);
1327 }
1328
1329 void __connman_device_cleanup(void)
1330 {
1331         DBG("");
1332
1333         connman_driver_unregister(&device_driver);
1334
1335         connman_storage_unregister(&device_storage);
1336 }