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         case CONNMAN_DEVICE_TYPE_GADGET:
 128                 return "Gadget";
 129
 130         }
 131
 132         return NULL;
 133 }
 134
 135 static const char *type2string(enum connman_device_type type)
 136 {
 137         switch (type) {
 138         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 139         case CONNMAN_DEVICE_TYPE_VENDOR:
 140                 break;
 141         case CONNMAN_DEVICE_TYPE_ETHERNET:
 142                 return "ethernet";
 143         case CONNMAN_DEVICE_TYPE_WIFI:
 144                 return "wifi";
 145         case CONNMAN_DEVICE_TYPE_WIMAX:
 146                 return "wimax";
 147         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 148                 return "bluetooth";
 149         case CONNMAN_DEVICE_TYPE_GPS:
 150                 return "gps";
 151         case CONNMAN_DEVICE_TYPE_CELLULAR:
 152                 return "cellular";
 153         case CONNMAN_DEVICE_TYPE_GADGET:
 154                 return "gadget";
 155
 156         }
 157
 158         return NULL;
 159 }
 160
 161 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 162 {
 163         enum connman_device_type type = connman_device_get_type(device);
 164
 165         switch (type) {
 166         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 167         case CONNMAN_DEVICE_TYPE_VENDOR:
 168         case CONNMAN_DEVICE_TYPE_GPS:
 169                 break;
 170         case CONNMAN_DEVICE_TYPE_ETHERNET:
 171                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 172         case CONNMAN_DEVICE_TYPE_WIFI:
 173                 return CONNMAN_SERVICE_TYPE_WIFI;
 174         case CONNMAN_DEVICE_TYPE_WIMAX:
 175                 return CONNMAN_SERVICE_TYPE_WIMAX;
 176         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 177                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 178         case CONNMAN_DEVICE_TYPE_CELLULAR:
 179                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 180         case CONNMAN_DEVICE_TYPE_GADGET:
 181                 return CONNMAN_SERVICE_TYPE_GADGET;
 182
 183         }
 184
 185         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 186 }
 187
 188 int __connman_device_enable(struct connman_device *device)
 189 {
 190         int err;
 191         enum connman_service_type type;
 192
 193         DBG("device %p %d", device, device->blocked);
 194
 195         if (!device->driver || !device->driver->enable)
 196                 return -EOPNOTSUPP;
 197
 198         if (device->powered_pending == TRUE)
 199                 return -EALREADY;
 200
 201         if (device->blocked == TRUE)
 202                 return -ENOLINK;
 203
 204         connman_device_set_disconnected(device, FALSE);
 205         device->scanning = FALSE;
 206
 207         err = device->driver->enable(device);
 208         if (err < 0 && err != -EALREADY) {
 209                 if (err == -EINPROGRESS) {
 210                         device->powered_pending = TRUE;
 211                         device->offlinemode = FALSE;
 212                         if (__connman_profile_get_offlinemode() == TRUE)
 213                                 __connman_profile_set_offlinemode(FALSE, FALSE);
 214                 }
 215                 return err;
 216         }
 217
 218         device->powered_pending = TRUE;
 219         device->powered = TRUE;
 220         device->offlinemode = FALSE;
 221         if (__connman_profile_get_offlinemode() == TRUE)
 222                 __connman_profile_set_offlinemode(FALSE, FALSE);
 223
 224         type = __connman_device_get_service_type(device);
 225         __connman_technology_enable(type);
 226
 227         return 0;
 228 }
 229
 230 int __connman_device_disable(struct connman_device *device)
 231 {
 232         int err;
 233         enum connman_service_type type;
 234
 235         DBG("device %p", device);
 236
 237         if (!device->driver || !device->driver->disable)
 238                 return -EOPNOTSUPP;
 239
 240         if (device->powered == FALSE)
 241                 return -ENOLINK;
 242
 243         if (device->powered_pending == FALSE)
 244                 return -EALREADY;
 245
 246         device->reconnect = FALSE;
 247
 248         clear_scan_trigger(device);
 249
 250         g_hash_table_remove_all(device->networks);
 251
 252         err = device->driver->disable(device);
 253         if (err < 0 && err != -EALREADY) {
 254                 if (err == -EINPROGRESS)
 255                         device->powered_pending = FALSE;
 256                 return err;
 257         }
 258
 259         device->connections = 0;
 260
 261         device->powered_pending = FALSE;
 262         device->powered = FALSE;
 263
 264         type = __connman_device_get_service_type(device);
 265         __connman_technology_disable(type);
 266
 267         return 0;
 268 }
 269
 270 static int set_powered(struct connman_device *device, connman_bool_t powered)
 271 {
 272         DBG("device %p powered %d", device, powered);
 273
 274         if (powered == TRUE)
 275                 return __connman_device_enable(device);
 276         else
 277                 return __connman_device_disable(device);
 278 }
 279
 280 static int setup_device(struct connman_device *device)
 281 {
 282         DBG("device %p", device);
 283
 284         __connman_technology_add_device(device);
 285
 286         if (device->offlinemode == FALSE &&
 287                                 device->powered_persistent == TRUE)
 288                 __connman_device_enable(device);
 289
 290         return 0;
 291 }
 292
 293 static void probe_driver(struct connman_element *element, gpointer user_data)
 294 {
 295         struct connman_device_driver *driver = user_data;
 296
 297         DBG("element %p name %s", element, element->name);
 298
 299         if (element->device == NULL)
 300                 return;
 301
 302         if (element->device->driver != NULL)
 303                 return;
 304
 305         if (driver->type != element->device->type)
 306                 return;
 307
 308         if (driver->probe(element->device) < 0)
 309                 return;
 310
 311         element->device->driver = driver;
 312
 313         __connman_element_set_driver(element);
 314
 315         setup_device(element->device);
 316 }
 317
 318 static void remove_device(struct connman_device *device)
 319 {
 320         DBG("device %p", device);
 321
 322         __connman_device_disable(device);
 323
 324         __connman_technology_remove_device(device);
 325
 326         if (device->driver->remove)
 327                 device->driver->remove(device);
 328
 329         device->driver = NULL;
 330 }
 331
 332 static void remove_driver(struct connman_element *element, gpointer user_data)
 333 {
 334         struct connman_device_driver *driver = user_data;
 335
 336         DBG("element %p name %s", element, element->name);
 337
 338         if (element->device == NULL)
 339                 return;
 340
 341         if (element->device->driver == driver)
 342                 remove_device(element->device);
 343 }
 344
 345 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 346 {
 347         if (device == NULL || device->driver == NULL)
 348                 return FALSE;
 349
 350         return TRUE;
 351 }
 352
 353 static GSList *driver_list = NULL;
 354
 355 static gint compare_priority(gconstpointer a, gconstpointer b)
 356 {
 357         const struct connman_device_driver *driver1 = a;
 358         const struct connman_device_driver *driver2 = b;
 359
 360         return driver2->priority - driver1->priority;
 361 }
 362
 363 /**
 364  * connman_device_driver_register:
 365  * @driver: device driver definition
 366  *
 367  * Register a new device driver
 368  *
 369  * Returns: %0 on success
 370  */
 371 int connman_device_driver_register(struct connman_device_driver *driver)
 372 {
 373         DBG("driver %p name %s", driver, driver->name);
 374
 375         driver_list = g_slist_insert_sorted(driver_list, driver,
 376                                                         compare_priority);
 377
 378         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 379                                                 probe_driver, driver);
 380
 381         return 0;
 382 }
 383
 384 /**
 385  * connman_device_driver_unregister:
 386  * @driver: device driver definition
 387  *
 388  * Remove a previously registered device driver
 389  */
 390 void connman_device_driver_unregister(struct connman_device_driver *driver)
 391 {
 392         DBG("driver %p name %s", driver, driver->name);
 393
 394         driver_list = g_slist_remove(driver_list, driver);
 395
 396         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 397                                                 remove_driver, driver);
 398 }
 399
 400 static void unregister_network(gpointer data)
 401 {
 402         struct connman_network *network = data;
 403
 404         DBG("network %p", network);
 405
 406         connman_element_unregister((struct connman_element *) network);
 407
 408         __connman_network_set_device(network, NULL);
 409
 410         connman_network_unref(network);
 411 }
 412
 413 static void device_destruct(struct connman_element *element)
 414 {
 415         struct connman_device *device = element->device;
 416
 417         DBG("element %p name %s", element, element->name);
 418
 419         clear_scan_trigger(device);
 420
 421         g_free(device->ident);
 422         g_free(device->node);
 423         g_free(device->name);
 424         g_free(device->address);
 425         g_free(device->interface);
 426
 427         g_free(device->last_network);
 428
 429         g_hash_table_destroy(device->networks);
 430         device->networks = NULL;
 431 }
 432
 433 /**
 434  * connman_device_create:
 435  * @node: device node name (for example an address)
 436  * @type: device type
 437  *
 438  * Allocate a new device of given #type and assign the #node name to it.
 439  *
 440  * Returns: a newly-allocated #connman_device structure
 441  */
 442 struct connman_device *connman_device_create(const char *node,
 443                                                 enum connman_device_type type)
 444 {
 445         struct connman_device *device;
 446         const char *str;
 447         enum connman_service_type service_type;
 448
 449         DBG("node %s type %d", node, type);
 450
 451         device = g_try_new0(struct connman_device, 1);
 452         if (device == NULL)
 453                 return NULL;
 454
 455         DBG("device %p", device);
 456
 457         __connman_element_initialize(&device->element);
 458
 459         device->element.name = g_strdup(node);
 460         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 461
 462         device->element.device = device;
 463         device->element.destruct = device_destruct;
 464
 465         str = type2string(type);
 466         if (str != NULL)
 467                 connman_element_set_string(&device->element,
 468                                         CONNMAN_PROPERTY_ID_TYPE, str);
 469
 470         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 471
 472         device->type = type;
 473         device->name = g_strdup(type2description(device->type));
 474
 475         device->powered_persistent = TRUE;
 476
 477         device->phyindex = -1;
 478
 479         service_type = __connman_device_get_service_type(device);
 480         device->blocked = __connman_technology_get_blocked(service_type);
 481
 482         switch (type) {
 483         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 484         case CONNMAN_DEVICE_TYPE_VENDOR:
 485                 device->scan_interval = 0;
 486                 break;
 487         case CONNMAN_DEVICE_TYPE_ETHERNET:
 488         case CONNMAN_DEVICE_TYPE_WIFI:
 489                 device->scan_interval = 300;
 490                 break;
 491         case CONNMAN_DEVICE_TYPE_WIMAX:
 492                 device->scan_interval = 0;
 493                 break;
 494         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 495                 device->scan_interval = 0;
 496                 break;
 497         case CONNMAN_DEVICE_TYPE_GPS:
 498                 device->scan_interval = 0;
 499                 break;
 500         case CONNMAN_DEVICE_TYPE_CELLULAR:
 501                 device->scan_interval = 0;
 502                 break;
 503         case CONNMAN_DEVICE_TYPE_GADGET:
 504                 device->scan_interval = 0;
 505                 break;
 506         }
 507
 508         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 509                                                 g_free, unregister_network);
 510
 511         return device;
 512 }
 513
 514 /**
 515  * connman_device_ref:
 516  * @device: device structure
 517  *
 518  * Increase reference counter of device
 519  */
 520 struct connman_device *connman_device_ref(struct connman_device *device)
 521 {
 522         if (connman_element_ref(&device->element) == NULL)
 523                 return NULL;
 524
 525         return device;
 526 }
 527
 528 /**
 529  * connman_device_unref:
 530  * @device: device structure
 531  *
 532  * Decrease reference counter of device
 533  */
 534 void connman_device_unref(struct connman_device *device)
 535 {
 536         connman_element_unref(&device->element);
 537 }
 538
 539 const char *__connman_device_get_type(struct connman_device *device)
 540 {
 541         return type2string(device->type);
 542 }
 543
 544 /**
 545  * connman_device_get_type:
 546  * @device: device structure
 547  *
 548  * Get type of device
 549  */
 550 enum connman_device_type connman_device_get_type(struct connman_device *device)
 551 {
 552         return device->type;
 553 }
 554
 555 /**
 556  * connman_device_set_index:
 557  * @device: device structure
 558  * @index: index number
 559  *
 560  * Set index number of device
 561  */
 562 void connman_device_set_index(struct connman_device *device, int index)
 563 {
 564         device->element.index = index;
 565 }
 566
 567 /**
 568  * connman_device_get_index:
 569  * @device: device structure
 570  *
 571  * Get index number of device
 572  */
 573 int connman_device_get_index(struct connman_device *device)
 574 {
 575         return device->element.index;
 576 }
 577
 578 int __connman_device_get_phyindex(struct connman_device *device)
 579 {
 580         return device->phyindex;
 581 }
 582
 583 void __connman_device_set_phyindex(struct connman_device *device,
 584                                                         int phyindex)
 585 {
 586         device->phyindex = phyindex;
 587 }
 588
 589 /**
 590  * connman_device_set_interface:
 591  * @device: device structure
 592  * @interface: interface name
 593  *
 594  * Set interface name of device
 595  */
 596 void connman_device_set_interface(struct connman_device *device,
 597                                                 const char *interface)
 598 {
 599         g_free(device->element.devname);
 600         device->element.devname = g_strdup(interface);
 601
 602         g_free(device->interface);
 603         device->interface = g_strdup(interface);
 604
 605         if (device->name == NULL) {
 606                 const char *str = type2description(device->type);
 607                 if (str != NULL && device->interface != NULL)
 608                         device->name = g_strdup_printf("%s (%s)", str,
 609                                                         device->interface);
 610         }
 611 }
 612
 613 /**
 614  * connman_device_set_ident:
 615  * @device: device structure
 616  * @ident: unique identifier
 617  *
 618  * Set unique identifier of device
 619  */
 620 void connman_device_set_ident(struct connman_device *device,
 621                                                         const char *ident)
 622 {
 623         g_free(device->ident);
 624         device->ident = g_strdup(ident);
 625 }
 626
 627 const char *connman_device_get_ident(struct connman_device *device)
 628 {
 629         return device->ident;
 630 }
 631
 632 /**
 633  * connman_device_set_powered:
 634  * @device: device structure
 635  * @powered: powered state
 636  *
 637  * Change power state of device
 638  */
 639 int connman_device_set_powered(struct connman_device *device,
 640                                                 connman_bool_t powered)
 641 {
 642         int err;
 643         enum connman_service_type type;
 644
 645         DBG("driver %p powered %d", device, powered);
 646
 647         if (device->powered == powered) {
 648                 device->powered_pending = powered;
 649                 return -EALREADY;
 650         }
 651
 652         if (powered == TRUE)
 653                 err = __connman_device_enable(device);
 654         else
 655                 err = __connman_device_disable(device);
 656
 657         if (err < 0 && err != -EINPROGRESS && err != -EALREADY)
 658                 return err;
 659
 660         device->powered = powered;
 661         device->powered_pending = powered;
 662
 663         type = __connman_device_get_service_type(device);
 664
 665         if (device->powered == TRUE)
 666                 __connman_technology_enable(type);
 667         else
 668                 __connman_technology_disable(type);
 669
 670         if (device->offlinemode == TRUE && powered == TRUE)
 671                 return connman_device_set_powered(device, FALSE);
 672
 673         if (powered == FALSE)
 674                 return 0;
 675
 676         reset_scan_trigger(device);
 677
 678         if (device->driver && device->driver->scan)
 679                 device->driver->scan(device);
 680
 681         return 0;
 682 }
 683
 684 int __connman_device_set_blocked(struct connman_device *device,
 685                                                 connman_bool_t blocked)
 686 {
 687         connman_bool_t powered;
 688
 689         DBG("device %p blocked %d", device, blocked);
 690
 691         device->blocked = blocked;
 692
 693         if (device->offlinemode == TRUE)
 694                 return 0;
 695
 696         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
 697
 698         if (blocked == FALSE)
 699                 powered = device->powered_persistent;
 700         else
 701                 powered = FALSE;
 702
 703         return set_powered(device, powered);
 704 }
 705
 706 connman_bool_t __connman_device_get_blocked(struct connman_device *device)
 707 {
 708         return device->blocked;
 709 }
 710
 711 int __connman_device_scan(struct connman_device *device)
 712 {
 713         if (!device->driver || !device->driver->scan)
 714                 return -EOPNOTSUPP;
 715
 716         if (device->powered == FALSE)
 717                 return -ENOLINK;
 718
 719         reset_scan_trigger(device);
 720
 721         return device->driver->scan(device);
 722 }
 723
 724 int __connman_device_enable_persistent(struct connman_device *device)
 725 {
 726         int err;
 727
 728         DBG("device %p", device);
 729
 730         device->powered_persistent = TRUE;
 731
 732         __connman_storage_save_device(device);
 733
 734         err = __connman_device_enable(device);
 735         if (err == 0 || err == -EINPROGRESS) {
 736                 device->offlinemode = FALSE;
 737                 if (__connman_profile_get_offlinemode() == TRUE) {
 738                         __connman_profile_set_offlinemode(FALSE, FALSE);
 739
 740                         __connman_profile_save_default();
 741                 }
 742         }
 743
 744         return err;
 745 }
 746
 747 int __connman_device_disable_persistent(struct connman_device *device)
 748 {
 749         DBG("device %p", device);
 750
 751         device->powered_persistent = FALSE;
 752
 753         __connman_storage_save_device(device);
 754
 755         return __connman_device_disable(device);
 756 }
 757
 758 int __connman_device_disconnect(struct connman_device *device)
 759 {
 760         GHashTableIter iter;
 761         gpointer key, value;
 762
 763         DBG("device %p", device);
 764
 765         connman_device_set_disconnected(device, TRUE);
 766
 767         g_hash_table_iter_init(&iter, device->networks);
 768
 769         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 770                 struct connman_network *network = value;
 771
 772                 if (__connman_network_get_connecting(network) == TRUE) {
 773                         /*
 774                          * Skip network in the process of connecting.
 775                          * This is a workaround for WiFi networks serviced
 776                          * by the supplicant plugin that hold a reference
 777                          * to the network.  If we disconnect the network
 778                          * here then the referenced object will not be
 779                          * registered and usage (like launching DHCP client)
 780                          * will fail.  There is nothing to be gained by
 781                          * removing the network here anyway.
 782                          */
 783                         connman_warn("Skipping disconnect of %s",
 784                                 connman_network_get_identifier(network));
 785                         continue;
 786                 }
 787
 788                 __connman_network_disconnect(network);
 789         }
 790
 791         return 0;
 792 }
 793
 794 static void mark_network_available(gpointer key, gpointer value,
 795                                                         gpointer user_data)
 796 {
 797         struct connman_network *network = value;
 798
 799         connman_network_set_available(network, TRUE);
 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 connman_bool_t __connman_device_scanning(struct connman_device *device)
 834 {
 835         return device->scanning;
 836 }
 837
 838 void connman_device_reset_scanning(struct connman_device *device)
 839 {
 840         device->scanning = FALSE;
 841
 842         g_hash_table_foreach(device->networks,
 843                                 mark_network_available, NULL);
 844
 845 }
 846
 847 /**
 848  * connman_device_set_scanning:
 849  * @device: device structure
 850  * @scanning: scanning state
 851  *
 852  * Change scanning state of device
 853  */
 854 int connman_device_set_scanning(struct connman_device *device,
 855                                                 connman_bool_t scanning)
 856 {
 857         DBG("device %p scanning %d", device, scanning);
 858
 859         if (!device->driver || !device->driver->scan)
 860                 return -EINVAL;
 861
 862         if (device->scanning == scanning)
 863                 return -EALREADY;
 864
 865         device->scanning = scanning;
 866
 867         if (scanning == TRUE) {
 868                 reset_scan_trigger(device);
 869
 870                 g_hash_table_foreach(device->networks,
 871                                         mark_network_unavailable, NULL);
 872
 873                 return 0;
 874         }
 875
 876         __connman_device_cleanup_networks(device);
 877
 878         if (device->connections > 0)
 879                 return 0;
 880
 881         __connman_service_auto_connect();
 882
 883         return 0;
 884 }
 885
 886 /**
 887  * connman_device_set_disconnected:
 888  * @device: device structure
 889  * @disconnected: disconnected state
 890  *
 891  * Change disconnected state of device (only for device with networks)
 892  */
 893 int connman_device_set_disconnected(struct connman_device *device,
 894                                                 connman_bool_t disconnected)
 895 {
 896         DBG("device %p disconnected %d", device, disconnected);
 897
 898         if (device->disconnected == disconnected)
 899                 return -EALREADY;
 900
 901         device->disconnected = disconnected;
 902
 903         if (disconnected == TRUE)
 904                 force_scan_trigger(device);
 905
 906         return 0;
 907 }
 908
 909 /**
 910  * connman_device_get_disconnected:
 911  * @device: device structure
 912  *
 913  * Get device disconnected state
 914  */
 915 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 916 {
 917         return device->disconnected;
 918 }
 919
 920 /**
 921  * connman_device_set_string:
 922  * @device: device structure
 923  * @key: unique identifier
 924  * @value: string value
 925  *
 926  * Set string value for specific key
 927  */
 928 int connman_device_set_string(struct connman_device *device,
 929                                         const char *key, const char *value)
 930 {
 931         DBG("device %p key %s value %s", device, key, value);
 932
 933         if (g_str_equal(key, "Address") == TRUE) {
 934                 g_free(device->address);
 935                 device->address = g_strdup(value);
 936         } else if (g_str_equal(key, "Name") == TRUE) {
 937                 g_free(device->name);
 938                 device->name = g_strdup(value);
 939         } else if (g_str_equal(key, "Node") == TRUE) {
 940                 g_free(device->node);
 941                 device->node = g_strdup(value);
 942         }
 943
 944         return connman_element_set_string(&device->element, key, value);
 945 }
 946
 947 /**
 948  * connman_device_get_string:
 949  * @device: device structure
 950  * @key: unique identifier
 951  *
 952  * Get string value for specific key
 953  */
 954 const char *connman_device_get_string(struct connman_device *device,
 955                                                         const char *key)
 956 {
 957         DBG("device %p key %s", device, key);
 958
 959         if (g_str_equal(key, "Address") == TRUE)
 960                 return device->address;
 961         else if (g_str_equal(key, "Name") == TRUE)
 962                 return device->name;
 963         else if (g_str_equal(key, "Node") == TRUE)
 964                 return device->node;
 965         else if (g_str_equal(key, "Interface") == TRUE)
 966                 return device->interface;
 967
 968         return connman_element_get_string(&device->element, key);
 969 }
 970
 971 static void set_offlinemode(struct connman_element *element, gpointer user_data)
 972 {
 973         struct connman_device *device = element->device;
 974         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
 975         connman_bool_t powered;
 976
 977         DBG("element %p name %s", element, element->name);
 978
 979         if (device == NULL)
 980                 return;
 981
 982         device->offlinemode = offlinemode;
 983
 984         if (device->blocked == TRUE)
 985                 return;
 986
 987         powered = (offlinemode == TRUE) ? FALSE : TRUE;
 988
 989         if (device->powered == powered)
 990                 return;
 991
 992         if (device->powered_persistent == FALSE)
 993                 powered = FALSE;
 994
 995         set_powered(device, powered);
 996 }
 997
 998 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
 999 {
1000         DBG("offlinmode %d", offlinemode);
1001
1002         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1003                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1004
1005         __connman_notifier_offlinemode(offlinemode);
1006
1007         return 0;
1008 }
1009
1010 void __connman_device_increase_connections(struct connman_device *device)
1011 {
1012         if (device == NULL)
1013                 return;
1014
1015         device->connections++;
1016 }
1017
1018 void __connman_device_decrease_connections(struct connman_device *device)
1019 {
1020         if (device == NULL)
1021                 return;
1022
1023         device->connections--;
1024 }
1025
1026 /**
1027  * connman_device_add_network:
1028  * @device: device structure
1029  * @network: network structure
1030  *
1031  * Add new network to the device
1032  */
1033 int connman_device_add_network(struct connman_device *device,
1034                                         struct connman_network *network)
1035 {
1036         const char *identifier = connman_network_get_identifier(network);
1037         int err;
1038
1039         DBG("device %p network %p", device, network);
1040
1041         if (identifier == NULL)
1042                 return -EINVAL;
1043
1044         __connman_network_set_device(network, device);
1045
1046         err = connman_element_register((struct connman_element *) network,
1047                                                         &device->element);
1048         if (err < 0) {
1049                 __connman_network_set_device(network, NULL);
1050                 return err;
1051         }
1052
1053         g_hash_table_insert(device->networks, g_strdup(identifier),
1054                                                                 network);
1055
1056         return 0;
1057 }
1058
1059 /**
1060  * connman_device_get_network:
1061  * @device: device structure
1062  * @identifier: network identifier
1063  *
1064  * Get network for given identifier
1065  */
1066 struct connman_network *connman_device_get_network(struct connman_device *device,
1067                                                         const char *identifier)
1068 {
1069         DBG("device %p identifier %s", device, identifier);
1070
1071         return g_hash_table_lookup(device->networks, identifier);
1072 }
1073
1074 /**
1075  * connman_device_remove_network:
1076  * @device: device structure
1077  * @identifier: network identifier
1078  *
1079  * Remove network for given identifier
1080  */
1081 int connman_device_remove_network(struct connman_device *device,
1082                                                         const char *identifier)
1083 {
1084         DBG("device %p identifier %s", device, identifier);
1085
1086         g_hash_table_remove(device->networks, identifier);
1087
1088         return 0;
1089 }
1090
1091 void connman_device_remove_all_networks(struct connman_device *device)
1092 {
1093         g_hash_table_remove_all(device->networks);
1094 }
1095
1096 void __connman_device_set_network(struct connman_device *device,
1097                                         struct connman_network *network)
1098 {
1099         const char *name;
1100
1101         if (device == NULL)
1102                 return;
1103
1104         if (device->network == network)
1105                 return;
1106
1107         if (device->network != NULL)
1108                 connman_network_unref(device->network);
1109
1110         if (network != NULL) {
1111                 name = connman_network_get_string(network,
1112                                                 CONNMAN_PROPERTY_ID_NAME);
1113                 g_free(device->last_network);
1114                 device->last_network = g_strdup(name);
1115
1116                 device->network = connman_network_ref(network);
1117         } else {
1118                 g_free(device->last_network);
1119                 device->last_network = NULL;
1120
1121                 device->network = NULL;
1122         }
1123 }
1124
1125 void __connman_device_set_reconnect(struct connman_device *device,
1126                                                 connman_bool_t reconnect)
1127 {
1128         device->reconnect = reconnect;
1129 }
1130
1131 connman_bool_t  __connman_device_get_reconnect(
1132                                 struct connman_device *device)
1133 {
1134         return device->reconnect;
1135 }
1136
1137 /**
1138  * connman_device_register:
1139  * @device: device structure
1140  *
1141  * Register device with the system
1142  */
1143 int connman_device_register(struct connman_device *device)
1144 {
1145         __connman_storage_load_device(device);
1146
1147         device->offlinemode = __connman_profile_get_offlinemode();
1148
1149         return connman_element_register(&device->element, NULL);
1150 }
1151
1152 /**
1153  * connman_device_unregister:
1154  * @device: device structure
1155  *
1156  * Unregister device with the system
1157  */
1158 void connman_device_unregister(struct connman_device *device)
1159 {
1160         __connman_storage_save_device(device);
1161
1162         connman_element_unregister(&device->element);
1163 }
1164
1165 /**
1166  * connman_device_get_data:
1167  * @device: device structure
1168  *
1169  * Get private device data pointer
1170  */
1171 void *connman_device_get_data(struct connman_device *device)
1172 {
1173         return device->driver_data;
1174 }
1175
1176 /**
1177  * connman_device_set_data:
1178  * @device: device structure
1179  * @data: data pointer
1180  *
1181  * Set private device data pointer
1182  */
1183 void connman_device_set_data(struct connman_device *device, void *data)
1184 {
1185         device->driver_data = data;
1186 }
1187
1188 static gboolean match_driver(struct connman_device *device,
1189                                         struct connman_device_driver *driver)
1190 {
1191         if (device->type == driver->type ||
1192                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1193                 return TRUE;
1194
1195         return FALSE;
1196 }
1197
1198 static int device_probe(struct connman_element *element)
1199 {
1200         struct connman_device *device = element->device;
1201         GSList *list;
1202
1203         DBG("element %p name %s", element, element->name);
1204
1205         if (device == NULL)
1206                 return -ENODEV;
1207
1208         if (device->driver != NULL)
1209                 return -EALREADY;
1210
1211         for (list = driver_list; list; list = list->next) {
1212                 struct connman_device_driver *driver = list->data;
1213
1214                 if (match_driver(device, driver) == FALSE)
1215                         continue;
1216
1217                 DBG("driver %p name %s", driver, driver->name);
1218
1219                 if (driver->probe(device) == 0) {
1220                         device->driver = driver;
1221                         break;
1222                 }
1223         }
1224
1225         if (device->driver == NULL)
1226                 return -ENODEV;
1227
1228         return setup_device(device);
1229 }
1230
1231 static void device_remove(struct connman_element *element)
1232 {
1233         struct connman_device *device = element->device;
1234
1235         DBG("element %p name %s", element, element->name);
1236
1237         if (device == NULL)
1238                 return;
1239
1240         if (device->driver == NULL)
1241                 return;
1242
1243         remove_device(device);
1244 }
1245
1246 static struct connman_driver device_driver = {
1247         .name           = "device",
1248         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1249         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1250         .probe          = device_probe,
1251         .remove         = device_remove,
1252 };
1253
1254 static int device_load(struct connman_device *device)
1255 {
1256         const char *ident = __connman_profile_active_ident();
1257         GKeyFile *keyfile;
1258         GError *error = NULL;
1259         gchar *identifier;
1260         connman_bool_t powered;
1261         int val;
1262
1263         DBG("device %p", device);
1264
1265         keyfile = __connman_storage_open_profile(ident);
1266         if (keyfile == NULL)
1267                 return 0;
1268
1269         identifier = g_strdup_printf("device_%s", device->element.name);
1270         if (identifier == NULL)
1271                 goto done;
1272
1273         powered = g_key_file_get_boolean(keyfile, identifier,
1274                                                 "Powered", &error);
1275         if (error == NULL)
1276                 device->powered_persistent = powered;
1277         g_clear_error(&error);
1278
1279         val = g_key_file_get_integer(keyfile, identifier,
1280                                                 "ScanInterval", &error);
1281         if (error == NULL)
1282                 device->scan_interval = val;
1283         g_clear_error(&error);
1284
1285 done:
1286         g_free(identifier);
1287
1288         __connman_storage_close_profile(ident, keyfile, FALSE);
1289
1290         return 0;
1291 }
1292
1293 static int device_save(struct connman_device *device)
1294 {
1295         const char *ident = __connman_profile_active_ident();
1296         GKeyFile *keyfile;
1297         gchar *identifier;
1298
1299         DBG("device %p", device);
1300
1301         keyfile = __connman_storage_open_profile(ident);
1302         if (keyfile == NULL)
1303                 return 0;
1304
1305         identifier = g_strdup_printf("device_%s", device->element.name);
1306         if (identifier == NULL)
1307                 goto done;
1308
1309         g_key_file_set_boolean(keyfile, identifier,
1310                                         "Powered", device->powered_persistent);
1311
1312         g_key_file_set_integer(keyfile, identifier,
1313                                         "ScanInterval", device->scan_interval);
1314
1315 done:
1316         g_free(identifier);
1317
1318         __connman_storage_close_profile(ident, keyfile, TRUE);
1319
1320         return 0;
1321 }
1322
1323 static struct connman_storage device_storage = {
1324         .name           = "device",
1325         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1326         .device_load    = device_load,
1327         .device_save    = device_save,
1328 };
1329
1330 int __connman_device_init(void)
1331 {
1332         DBG("");
1333
1334         if (connman_storage_register(&device_storage) < 0)
1335                 connman_error("Failed to register device storage");
1336
1337         return connman_driver_register(&device_driver);
1338 }
1339
1340 void __connman_device_cleanup(void)
1341 {
1342         DBG("");
1343
1344         connman_driver_unregister(&device_driver);
1345
1346         connman_storage_unregister(&device_storage);
1347 }