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 static GSList *device_list = NULL;
  32 static gchar **device_filter = NULL;
  33 static gchar **nodevice_filter = NULL;
  34
  35 enum connman_pending_type {
  36         PENDING_NONE    = 0,
  37         PENDING_ENABLE  = 1,
  38         PENDING_DISABLE = 2,
  39 };
  40
  41 struct connman_device {
  42         int refcount;
  43         enum connman_device_type type;
  44         enum connman_pending_type powered_pending;      /* Indicates a pending
  45                                                         enable/disable request */
  46         connman_bool_t powered;
  47         connman_bool_t scanning;
  48         connman_bool_t disconnected;
  49         connman_bool_t reconnect;
  50         connman_uint16_t scan_interval;
  51         connman_uint16_t backoff_interval;
  52         char *name;
  53         char *node;
  54         char *address;
  55         char *interface;
  56         char *ident;
  57         char *path;
  58         char *devname;
  59         int phyindex;
  60         int index;
  61         guint scan_timeout;
  62         guint pending_timeout;
  63
  64         struct connman_device_driver *driver;
  65         void *driver_data;
  66
  67         char *last_network;
  68         struct connman_network *network;
  69         GHashTable *networks;
  70 };
  71
  72 #define SCAN_INITIAL_DELAY 10
  73
  74 static gboolean device_scan_trigger(gpointer user_data)
  75 {
  76         struct connman_device *device = user_data;
  77
  78         DBG("device %p", device);
  79
  80         if (device->driver == NULL) {
  81                 device->scan_timeout = 0;
  82                 return FALSE;
  83         }
  84
  85         if (device->driver->scan)
  86                 device->driver->scan(device);
  87
  88         return TRUE;
  89 }
  90
  91 static void clear_scan_trigger(struct connman_device *device)
  92 {
  93         if (device->scan_timeout > 0) {
  94                 g_source_remove(device->scan_timeout);
  95                 device->scan_timeout = 0;
  96         }
  97 }
  98
  99 static void clear_pending_trigger(struct connman_device *device)
 100 {
 101         if (device->pending_timeout > 0) {
 102                 g_source_remove(device->pending_timeout);
 103                 device->pending_timeout = 0;
 104         }
 105 }
 106
 107 static void reset_scan_trigger(struct connman_device *device)
 108 {
 109         clear_scan_trigger(device);
 110
 111         if (device->scan_interval > 0) {
 112                 guint interval;
 113
 114                 if (g_hash_table_size(device->networks) == 0) {
 115                         if (device->backoff_interval >= device->scan_interval)
 116                                 device->backoff_interval = SCAN_INITIAL_DELAY;
 117                         interval = device->backoff_interval;
 118                 } else
 119                         interval = device->scan_interval;
 120
 121                 DBG("interval %d", interval);
 122
 123                 device->scan_timeout = g_timeout_add_seconds(interval,
 124                                         device_scan_trigger, device);
 125
 126                 device->backoff_interval *= 2;
 127                 if (device->backoff_interval > device->scan_interval)
 128                         device->backoff_interval = device->scan_interval;
 129         }
 130 }
 131
 132 static void force_scan_trigger(struct connman_device *device)
 133 {
 134         clear_scan_trigger(device);
 135
 136         device->scan_timeout = g_timeout_add_seconds(5,
 137                                         device_scan_trigger, device);
 138 }
 139
 140 void connman_device_schedule_scan(struct connman_device *device)
 141 {
 142         reset_scan_trigger(device);
 143 }
 144
 145 static const char *type2description(enum connman_device_type type)
 146 {
 147         switch (type) {
 148         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 149         case CONNMAN_DEVICE_TYPE_VENDOR:
 150                 break;
 151         case CONNMAN_DEVICE_TYPE_ETHERNET:
 152                 return "Ethernet";
 153         case CONNMAN_DEVICE_TYPE_WIFI:
 154                 return "Wireless";
 155         case CONNMAN_DEVICE_TYPE_WIMAX:
 156                 return "WiMAX";
 157         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 158                 return "Bluetooth";
 159         case CONNMAN_DEVICE_TYPE_GPS:
 160                 return "GPS";
 161         case CONNMAN_DEVICE_TYPE_CELLULAR:
 162                 return "Cellular";
 163         case CONNMAN_DEVICE_TYPE_GADGET:
 164                 return "Gadget";
 165
 166         }
 167
 168         return NULL;
 169 }
 170
 171 static const char *type2string(enum connman_device_type type)
 172 {
 173         switch (type) {
 174         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 175         case CONNMAN_DEVICE_TYPE_VENDOR:
 176                 break;
 177         case CONNMAN_DEVICE_TYPE_ETHERNET:
 178                 return "ethernet";
 179         case CONNMAN_DEVICE_TYPE_WIFI:
 180                 return "wifi";
 181         case CONNMAN_DEVICE_TYPE_WIMAX:
 182                 return "wimax";
 183         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 184                 return "bluetooth";
 185         case CONNMAN_DEVICE_TYPE_GPS:
 186                 return "gps";
 187         case CONNMAN_DEVICE_TYPE_CELLULAR:
 188                 return "cellular";
 189         case CONNMAN_DEVICE_TYPE_GADGET:
 190                 return "gadget";
 191
 192         }
 193
 194         return NULL;
 195 }
 196
 197 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 198 {
 199         enum connman_device_type type = connman_device_get_type(device);
 200
 201         switch (type) {
 202         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 203         case CONNMAN_DEVICE_TYPE_VENDOR:
 204         case CONNMAN_DEVICE_TYPE_GPS:
 205                 break;
 206         case CONNMAN_DEVICE_TYPE_ETHERNET:
 207                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 208         case CONNMAN_DEVICE_TYPE_WIFI:
 209                 return CONNMAN_SERVICE_TYPE_WIFI;
 210         case CONNMAN_DEVICE_TYPE_WIMAX:
 211                 return CONNMAN_SERVICE_TYPE_WIMAX;
 212         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 213                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 214         case CONNMAN_DEVICE_TYPE_CELLULAR:
 215                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 216         case CONNMAN_DEVICE_TYPE_GADGET:
 217                 return CONNMAN_SERVICE_TYPE_GADGET;
 218
 219         }
 220
 221         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 222 }
 223
 224 static gboolean device_pending_reset(gpointer user_data)
 225 {
 226         struct connman_device *device = user_data;
 227
 228         DBG("device %p", device);
 229
 230         /* Power request timedout, reset power pending state. */
 231         device->pending_timeout = 0;
 232         device->powered_pending = PENDING_NONE;
 233
 234         return FALSE;
 235 }
 236
 237 int __connman_device_enable(struct connman_device *device)
 238 {
 239         int err;
 240
 241         DBG("device %p", device);
 242
 243         if (!device->driver || !device->driver->enable)
 244                 return -EOPNOTSUPP;
 245
 246         /* There is an ongoing power disable request. */
 247         if (device->powered_pending == PENDING_DISABLE)
 248                 return -EBUSY;
 249
 250         if (device->powered_pending == PENDING_ENABLE)
 251                 return -EALREADY;
 252
 253         if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
 254                 return -EALREADY;
 255
 256         device->powered_pending = PENDING_ENABLE;
 257
 258         err = device->driver->enable(device);
 259         /*
 260          * device gets enabled right away.
 261          * Invoke the callback
 262          */
 263         if (err == 0) {
 264                 connman_device_set_powered(device, TRUE);
 265                 goto done;
 266         }
 267
 268         if (err == -EALREADY) {
 269                 /* If device is already powered, but connman is not updated */
 270                 connman_device_set_powered(device, TRUE);
 271                 goto done;
 272         }
 273         /*
 274          * if err == -EINPROGRESS, then the DBus call to the respective daemon
 275          * was successful. We set a 4 sec timeout so if the daemon never
 276          * returns a reply, we would reset the pending request.
 277          */
 278         if (err == -EINPROGRESS)
 279                 device->pending_timeout = g_timeout_add_seconds(4,
 280                                         device_pending_reset, device);
 281 done:
 282         return err;
 283 }
 284
 285 int __connman_device_disable(struct connman_device *device)
 286 {
 287         int err;
 288
 289         DBG("device %p", device);
 290
 291         if (!device->driver || !device->driver->disable)
 292                 return -EOPNOTSUPP;
 293
 294         /* Ongoing power enable request */
 295         if (device->powered_pending == PENDING_ENABLE)
 296                 return -EBUSY;
 297
 298         if (device->powered_pending == PENDING_DISABLE)
 299                 return -EALREADY;
 300
 301         if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
 302                 return -EALREADY;
 303
 304         device->powered_pending = PENDING_DISABLE;
 305         device->reconnect = FALSE;
 306
 307         clear_scan_trigger(device);
 308
 309         if (device->network)
 310                 connman_network_set_connected(device->network, FALSE);
 311
 312         err = device->driver->disable(device);
 313         if (err == 0) {
 314                 connman_device_set_powered(device, FALSE);
 315                 goto done;
 316         }
 317
 318         if (err == -EALREADY) {
 319                 connman_device_set_powered(device, FALSE);
 320                 goto done;
 321         }
 322
 323         if (err == -EINPROGRESS)
 324                 device->pending_timeout = g_timeout_add_seconds(4,
 325                                         device_pending_reset, device);
 326 done:
 327         return err;
 328 }
 329
 330 static void probe_driver(struct connman_device_driver *driver)
 331 {
 332         GSList *list;
 333
 334         DBG("driver %p name %s", driver, driver->name);
 335
 336         for (list = device_list; list != NULL; list = list->next) {
 337                 struct connman_device *device = list->data;
 338
 339                 if (device->driver != NULL)
 340                         continue;
 341
 342                 if (driver->type != device->type)
 343                         continue;
 344
 345                 if (driver->probe(device) < 0)
 346                         continue;
 347
 348                 device->driver = driver;
 349
 350                 __connman_technology_add_device(device);
 351         }
 352 }
 353
 354 static void remove_device(struct connman_device *device)
 355 {
 356         DBG("device %p", device);
 357
 358         __connman_device_disable(device);
 359
 360         __connman_technology_remove_device(device);
 361
 362         if (device->driver->remove)
 363                 device->driver->remove(device);
 364
 365         device->driver = NULL;
 366 }
 367
 368 static void remove_driver(struct connman_device_driver *driver)
 369 {
 370         GSList *list;
 371
 372         DBG("driver %p name %s", driver, driver->name);
 373
 374         for (list = device_list; list != NULL; list = list->next) {
 375                 struct connman_device *device = list->data;
 376
 377                 if (device->driver == driver)
 378                         remove_device(device);
 379         }
 380 }
 381
 382 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 383 {
 384         if (device == NULL || device->driver == NULL)
 385                 return FALSE;
 386
 387         return TRUE;
 388 }
 389
 390 static GSList *driver_list = NULL;
 391
 392 static gint compare_priority(gconstpointer a, gconstpointer b)
 393 {
 394         const struct connman_device_driver *driver1 = a;
 395         const struct connman_device_driver *driver2 = b;
 396
 397         return driver2->priority - driver1->priority;
 398 }
 399
 400 /**
 401  * connman_device_driver_register:
 402  * @driver: device driver definition
 403  *
 404  * Register a new device driver
 405  *
 406  * Returns: %0 on success
 407  */
 408 int connman_device_driver_register(struct connman_device_driver *driver)
 409 {
 410         DBG("driver %p name %s", driver, driver->name);
 411
 412         driver_list = g_slist_insert_sorted(driver_list, driver,
 413                                                         compare_priority);
 414         probe_driver(driver);
 415
 416         return 0;
 417 }
 418
 419 /**
 420  * connman_device_driver_unregister:
 421  * @driver: device driver definition
 422  *
 423  * Remove a previously registered device driver
 424  */
 425 void connman_device_driver_unregister(struct connman_device_driver *driver)
 426 {
 427         DBG("driver %p name %s", driver, driver->name);
 428
 429         driver_list = g_slist_remove(driver_list, driver);
 430
 431         remove_driver(driver);
 432 }
 433
 434 static void free_network(gpointer data)
 435 {
 436         struct connman_network *network = data;
 437
 438         DBG("network %p", network);
 439
 440         __connman_network_set_device(network, NULL);
 441
 442         connman_network_unref(network);
 443 }
 444
 445 static void device_destruct(struct connman_device *device)
 446 {
 447         DBG("device %p name %s", device, device->name);
 448
 449         clear_pending_trigger(device);
 450         clear_scan_trigger(device);
 451
 452         g_free(device->ident);
 453         g_free(device->node);
 454         g_free(device->name);
 455         g_free(device->address);
 456         g_free(device->interface);
 457         g_free(device->path);
 458         g_free(device->devname);
 459
 460         g_free(device->last_network);
 461
 462         g_hash_table_destroy(device->networks);
 463         device->networks = NULL;
 464
 465         g_free(device);
 466 }
 467
 468 /**
 469  * connman_device_create:
 470  * @node: device node name (for example an address)
 471  * @type: device type
 472  *
 473  * Allocate a new device of given #type and assign the #node name to it.
 474  *
 475  * Returns: a newly-allocated #connman_device structure
 476  */
 477 struct connman_device *connman_device_create(const char *node,
 478                                                 enum connman_device_type type)
 479 {
 480         struct connman_device *device;
 481         connman_bool_t bg_scan;
 482
 483         DBG("node %s type %d", node, type);
 484
 485         device = g_try_new0(struct connman_device, 1);
 486         if (device == NULL)
 487                 return NULL;
 488
 489         DBG("device %p", device);
 490
 491         device->refcount = 1;
 492
 493         bg_scan = connman_setting_get_bool("BackgroundScanning");
 494
 495         device->type = type;
 496         device->name = g_strdup(type2description(device->type));
 497
 498         device->phyindex = -1;
 499
 500         device->backoff_interval = SCAN_INITIAL_DELAY;
 501
 502         switch (type) {
 503         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 504         case CONNMAN_DEVICE_TYPE_ETHERNET:
 505         case CONNMAN_DEVICE_TYPE_WIMAX:
 506         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 507         case CONNMAN_DEVICE_TYPE_CELLULAR:
 508         case CONNMAN_DEVICE_TYPE_GPS:
 509         case CONNMAN_DEVICE_TYPE_GADGET:
 510         case CONNMAN_DEVICE_TYPE_VENDOR:
 511                 device->scan_interval = 0;
 512                 break;
 513         case CONNMAN_DEVICE_TYPE_WIFI:
 514                 if (bg_scan == TRUE)
 515                         device->scan_interval = 300;
 516                 else
 517                         device->scan_interval = 0;
 518                 break;
 519         }
 520
 521         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 522                                                 g_free, free_network);
 523
 524         device_list = g_slist_append(device_list, device);
 525
 526         return device;
 527 }
 528
 529 /**
 530  * connman_device_ref:
 531  * @device: device structure
 532  *
 533  * Increase reference counter of device
 534  */
 535 struct connman_device *connman_device_ref(struct connman_device *device)
 536 {
 537         DBG("%p", device);
 538
 539         __sync_fetch_and_add(&device->refcount, 1);
 540
 541         return device;
 542 }
 543
 544 /**
 545  * connman_device_unref:
 546  * @device: device structure
 547  *
 548  * Decrease reference counter of device
 549  */
 550 void connman_device_unref(struct connman_device *device)
 551 {
 552         if (__sync_fetch_and_sub(&device->refcount, 1) != 1)
 553                 return;
 554
 555         if (device->driver) {
 556                 device->driver->remove(device);
 557                 device->driver = NULL;
 558         }
 559
 560         device_list = g_slist_remove(device_list, device);
 561
 562         device_destruct(device);
 563 }
 564
 565 const char *__connman_device_get_type(struct connman_device *device)
 566 {
 567         return type2string(device->type);
 568 }
 569
 570 /**
 571  * connman_device_get_type:
 572  * @device: device structure
 573  *
 574  * Get type of device
 575  */
 576 enum connman_device_type connman_device_get_type(struct connman_device *device)
 577 {
 578         return device->type;
 579 }
 580
 581 /**
 582  * connman_device_set_index:
 583  * @device: device structure
 584  * @index: index number
 585  *
 586  * Set index number of device
 587  */
 588 void connman_device_set_index(struct connman_device *device, int index)
 589 {
 590         device->index = index;
 591 }
 592
 593 /**
 594  * connman_device_get_index:
 595  * @device: device structure
 596  *
 597  * Get index number of device
 598  */
 599 int connman_device_get_index(struct connman_device *device)
 600 {
 601         return device->index;
 602 }
 603
 604 int __connman_device_get_phyindex(struct connman_device *device)
 605 {
 606         return device->phyindex;
 607 }
 608
 609 void __connman_device_set_phyindex(struct connman_device *device,
 610                                                         int phyindex)
 611 {
 612         device->phyindex = phyindex;
 613 }
 614
 615 /**
 616  * connman_device_set_interface:
 617  * @device: device structure
 618  * @interface: interface name
 619  *
 620  * Set interface name of device
 621  */
 622 void connman_device_set_interface(struct connman_device *device,
 623                                                 const char *interface)
 624 {
 625         g_free(device->devname);
 626         device->devname = g_strdup(interface);
 627
 628         g_free(device->interface);
 629         device->interface = g_strdup(interface);
 630
 631         if (device->name == NULL) {
 632                 const char *str = type2description(device->type);
 633                 if (str != NULL && device->interface != NULL)
 634                         device->name = g_strdup_printf("%s (%s)", str,
 635                                                         device->interface);
 636         }
 637 }
 638
 639 /**
 640  * connman_device_set_ident:
 641  * @device: device structure
 642  * @ident: unique identifier
 643  *
 644  * Set unique identifier of device
 645  */
 646 void connman_device_set_ident(struct connman_device *device,
 647                                                         const char *ident)
 648 {
 649         g_free(device->ident);
 650         device->ident = g_strdup(ident);
 651 }
 652
 653 const char *connman_device_get_ident(struct connman_device *device)
 654 {
 655         return device->ident;
 656 }
 657
 658 /**
 659  * connman_device_set_powered:
 660  * @device: device structure
 661  * @powered: powered state
 662  *
 663  * Change power state of device
 664  */
 665 int connman_device_set_powered(struct connman_device *device,
 666                                                 connman_bool_t powered)
 667 {
 668         enum connman_service_type type;
 669
 670         DBG("driver %p powered %d", device, powered);
 671
 672         if (device->powered == powered)
 673                 return -EALREADY;
 674
 675         clear_pending_trigger(device);
 676
 677         device->powered_pending = PENDING_NONE;
 678
 679         device->powered = powered;
 680
 681         type = __connman_device_get_service_type(device);
 682
 683         if (device->powered == TRUE)
 684                 __connman_technology_enabled(type);
 685         else
 686                 __connman_technology_disabled(type);
 687
 688         if (powered == FALSE)
 689                 return 0;
 690
 691         connman_device_set_disconnected(device, FALSE);
 692         device->scanning = FALSE;
 693
 694         reset_scan_trigger(device);
 695
 696         if (device->driver && device->driver->scan_fast)
 697                 device->driver->scan_fast(device);
 698         else if (device->driver && device->driver->scan)
 699                 device->driver->scan(device);
 700
 701         return 0;
 702 }
 703
 704 static int device_scan(struct connman_device *device)
 705 {
 706         if (!device->driver || !device->driver->scan)
 707                 return -EOPNOTSUPP;
 708
 709         if (device->powered == FALSE)
 710                 return -ENOLINK;
 711
 712         reset_scan_trigger(device);
 713
 714         return device->driver->scan(device);
 715 }
 716
 717 int __connman_device_disconnect(struct connman_device *device)
 718 {
 719         GHashTableIter iter;
 720         gpointer key, value;
 721
 722         DBG("device %p", device);
 723
 724         connman_device_set_disconnected(device, TRUE);
 725
 726         g_hash_table_iter_init(&iter, device->networks);
 727
 728         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 729                 struct connman_network *network = value;
 730
 731                 if (connman_network_get_connecting(network) == TRUE) {
 732                         /*
 733                          * Skip network in the process of connecting.
 734                          * This is a workaround for WiFi networks serviced
 735                          * by the supplicant plugin that hold a reference
 736                          * to the network.  If we disconnect the network
 737                          * here then the referenced object will not be
 738                          * registered and usage (like launching DHCP client)
 739                          * will fail.  There is nothing to be gained by
 740                          * removing the network here anyway.
 741                          */
 742                         connman_warn("Skipping disconnect of %s, network is connecting.",
 743                                 connman_network_get_identifier(network));
 744                         continue;
 745                 }
 746
 747                 __connman_network_disconnect(network);
 748         }
 749
 750         return 0;
 751 }
 752
 753 static void mark_network_available(gpointer key, gpointer value,
 754                                                         gpointer user_data)
 755 {
 756         struct connman_network *network = value;
 757
 758         connman_network_set_available(network, TRUE);
 759 }
 760
 761 static void mark_network_unavailable(gpointer key, gpointer value,
 762                                                         gpointer user_data)
 763 {
 764         struct connman_network *network = value;
 765
 766         if (connman_network_get_connected(network) == TRUE)
 767                 return;
 768
 769         connman_network_set_available(network, FALSE);
 770 }
 771
 772 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 773                                                         gpointer user_data)
 774 {
 775         struct connman_network *network = value;
 776
 777         if (connman_network_get_connected(network) == TRUE)
 778                 return FALSE;
 779
 780         if (connman_network_get_available(network) == TRUE)
 781                 return FALSE;
 782
 783         return TRUE;
 784 }
 785
 786 void __connman_device_cleanup_networks(struct connman_device *device)
 787 {
 788         g_hash_table_foreach_remove(device->networks,
 789                                         remove_unavailable_network, NULL);
 790 }
 791
 792 connman_bool_t __connman_device_scanning(struct connman_device *device)
 793 {
 794         return device->scanning;
 795 }
 796
 797 void connman_device_reset_scanning(struct connman_device *device)
 798 {
 799         device->scanning = FALSE;
 800
 801         g_hash_table_foreach(device->networks,
 802                                 mark_network_available, NULL);
 803
 804 }
 805
 806 /**
 807  * connman_device_set_scanning:
 808  * @device: device structure
 809  * @scanning: scanning state
 810  *
 811  * Change scanning state of device
 812  */
 813 int connman_device_set_scanning(struct connman_device *device,
 814                                                 connman_bool_t scanning)
 815 {
 816         DBG("device %p scanning %d", device, scanning);
 817
 818         if (!device->driver || !device->driver->scan)
 819                 return -EINVAL;
 820
 821         if (device->scanning == scanning)
 822                 return -EALREADY;
 823
 824         device->scanning = scanning;
 825
 826         if (scanning == TRUE) {
 827                 reset_scan_trigger(device);
 828
 829                 g_hash_table_foreach(device->networks,
 830                                         mark_network_unavailable, NULL);
 831
 832                 return 0;
 833         }
 834
 835         __connman_device_cleanup_networks(device);
 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         {
 861                 force_scan_trigger(device);
 862                 device->backoff_interval = SCAN_INITIAL_DELAY;
 863         }
 864
 865         return 0;
 866 }
 867
 868 /**
 869  * connman_device_get_disconnected:
 870  * @device: device structure
 871  *
 872  * Get device disconnected state
 873  */
 874 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 875 {
 876         return device->disconnected;
 877 }
 878
 879 /**
 880  * connman_device_set_string:
 881  * @device: device structure
 882  * @key: unique identifier
 883  * @value: string value
 884  *
 885  * Set string value for specific key
 886  */
 887 int connman_device_set_string(struct connman_device *device,
 888                                         const char *key, const char *value)
 889 {
 890         DBG("device %p key %s value %s", device, key, value);
 891
 892         if (g_str_equal(key, "Address") == TRUE) {
 893                 g_free(device->address);
 894                 device->address = g_strdup(value);
 895         } else if (g_str_equal(key, "Name") == TRUE) {
 896                 g_free(device->name);
 897                 device->name = g_strdup(value);
 898         } else if (g_str_equal(key, "Node") == TRUE) {
 899                 g_free(device->node);
 900                 device->node = g_strdup(value);
 901         } else if (g_str_equal(key, "Path") == TRUE) {
 902                 g_free(device->path);
 903                 device->path = g_strdup(value);
 904         } else {
 905                 return -EINVAL;
 906         }
 907
 908         return 0;
 909 }
 910
 911 /**
 912  * connman_device_get_string:
 913  * @device: device structure
 914  * @key: unique identifier
 915  *
 916  * Get string value for specific key
 917  */
 918 const char *connman_device_get_string(struct connman_device *device,
 919                                                         const char *key)
 920 {
 921         DBG("device %p key %s", device, key);
 922
 923         if (g_str_equal(key, "Address") == TRUE)
 924                 return device->address;
 925         else if (g_str_equal(key, "Name") == TRUE)
 926                 return device->name;
 927         else if (g_str_equal(key, "Node") == TRUE)
 928                 return device->node;
 929         else if (g_str_equal(key, "Interface") == TRUE)
 930                 return device->interface;
 931         else if (g_str_equal(key, "Path") == TRUE)
 932                 return device->path;
 933
 934         return NULL;
 935 }
 936
 937 /**
 938  * connman_device_add_network:
 939  * @device: device structure
 940  * @network: network structure
 941  *
 942  * Add new network to the device
 943  */
 944 int connman_device_add_network(struct connman_device *device,
 945                                         struct connman_network *network)
 946 {
 947         const char *identifier = connman_network_get_identifier(network);
 948
 949         DBG("device %p network %p", device, network);
 950
 951         if (identifier == NULL)
 952                 return -EINVAL;
 953
 954         connman_network_ref(network);
 955
 956         __connman_network_set_device(network, device);
 957
 958         g_hash_table_insert(device->networks, g_strdup(identifier),
 959                                                                 network);
 960
 961         return 0;
 962 }
 963
 964 /**
 965  * connman_device_get_network:
 966  * @device: device structure
 967  * @identifier: network identifier
 968  *
 969  * Get network for given identifier
 970  */
 971 struct connman_network *connman_device_get_network(struct connman_device *device,
 972                                                         const char *identifier)
 973 {
 974         DBG("device %p identifier %s", device, identifier);
 975
 976         return g_hash_table_lookup(device->networks, identifier);
 977 }
 978
 979 /**
 980  * connman_device_remove_network:
 981  * @device: device structure
 982  * @identifier: network identifier
 983  *
 984  * Remove network for given identifier
 985  */
 986 int connman_device_remove_network(struct connman_device *device,
 987                                                 struct connman_network *network)
 988 {
 989         const char *identifier;
 990
 991         DBG("device %p network %p", device, network);
 992
 993         if (network == NULL)
 994                 return 0;
 995
 996         identifier = connman_network_get_identifier(network);
 997         g_hash_table_remove(device->networks, identifier);
 998
 999         return 0;
1000 }
1001
1002 void connman_device_remove_all_networks(struct connman_device *device)
1003 {
1004         g_hash_table_remove_all(device->networks);
1005 }
1006
1007 void __connman_device_set_network(struct connman_device *device,
1008                                         struct connman_network *network)
1009 {
1010         const char *name;
1011
1012         if (device == NULL)
1013                 return;
1014
1015         if (device->network == network)
1016                 return;
1017
1018         if (network != NULL) {
1019                 name = connman_network_get_string(network, "Name");
1020                 g_free(device->last_network);
1021                 device->last_network = g_strdup(name);
1022
1023                 device->network = network;
1024         } else {
1025                 g_free(device->last_network);
1026                 device->last_network = NULL;
1027
1028                 device->network = NULL;
1029         }
1030 }
1031
1032 void __connman_device_set_reconnect(struct connman_device *device,
1033                                                 connman_bool_t reconnect)
1034 {
1035         device->reconnect = reconnect;
1036 }
1037
1038 connman_bool_t  __connman_device_get_reconnect(
1039                                 struct connman_device *device)
1040 {
1041         return device->reconnect;
1042 }
1043
1044 static gboolean match_driver(struct connman_device *device,
1045                                         struct connman_device_driver *driver)
1046 {
1047         if (device->type == driver->type ||
1048                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1049                 return TRUE;
1050
1051         return FALSE;
1052 }
1053
1054 /**
1055  * connman_device_register:
1056  * @device: device structure
1057  *
1058  * Register device with the system
1059  */
1060 int connman_device_register(struct connman_device *device)
1061 {
1062         GSList *list;
1063
1064         DBG("device %p name %s", device, device->name);
1065
1066         if (device->driver != NULL)
1067                 return -EALREADY;
1068
1069         for (list = driver_list; list; list = list->next) {
1070                 struct connman_device_driver *driver = list->data;
1071
1072                 if (match_driver(device, driver) == FALSE)
1073                         continue;
1074
1075                 DBG("driver %p name %s", driver, driver->name);
1076
1077                 if (driver->probe(device) == 0) {
1078                         device->driver = driver;
1079                         break;
1080                 }
1081         }
1082
1083         if (device->driver == NULL)
1084                 return 0;
1085
1086         return __connman_technology_add_device(device);
1087 }
1088
1089 /**
1090  * connman_device_unregister:
1091  * @device: device structure
1092  *
1093  * Unregister device with the system
1094  */
1095 void connman_device_unregister(struct connman_device *device)
1096 {
1097         DBG("device %p name %s", device, device->name);
1098
1099         if (device->driver == NULL)
1100                 return;
1101
1102         remove_device(device);
1103 }
1104
1105 /**
1106  * connman_device_get_data:
1107  * @device: device structure
1108  *
1109  * Get private device data pointer
1110  */
1111 void *connman_device_get_data(struct connman_device *device)
1112 {
1113         return device->driver_data;
1114 }
1115
1116 /**
1117  * connman_device_set_data:
1118  * @device: device structure
1119  * @data: data pointer
1120  *
1121  * Set private device data pointer
1122  */
1123 void connman_device_set_data(struct connman_device *device, void *data)
1124 {
1125         device->driver_data = data;
1126 }
1127
1128 struct connman_device *__connman_device_find_device(
1129                                 enum connman_service_type type)
1130 {
1131         GSList *list;
1132
1133         for (list = device_list; list != NULL; list = list->next) {
1134                 struct connman_device *device = list->data;
1135                 enum connman_service_type service_type =
1136                         __connman_device_get_service_type(device);
1137
1138                 if (service_type != type)
1139                         continue;
1140
1141                 return device;
1142         }
1143
1144         return NULL;
1145 }
1146
1147 int __connman_device_request_scan(enum connman_service_type type)
1148 {
1149         GSList *list;
1150         int err;
1151
1152         switch (type) {
1153         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1154         case CONNMAN_SERVICE_TYPE_SYSTEM:
1155         case CONNMAN_SERVICE_TYPE_ETHERNET:
1156         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1157         case CONNMAN_SERVICE_TYPE_CELLULAR:
1158         case CONNMAN_SERVICE_TYPE_GPS:
1159         case CONNMAN_SERVICE_TYPE_VPN:
1160         case CONNMAN_SERVICE_TYPE_GADGET:
1161                 return 0;
1162         case CONNMAN_SERVICE_TYPE_WIFI:
1163         case CONNMAN_SERVICE_TYPE_WIMAX:
1164                 break;
1165         }
1166
1167         for (list = device_list; list != NULL; list = list->next) {
1168                 struct connman_device *device = list->data;
1169                 enum connman_service_type service_type =
1170                         __connman_device_get_service_type(device);
1171
1172                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1173                                 service_type != type) {
1174                         continue;
1175                 }
1176
1177                 err = device_scan(device);
1178                 if (err < 0 && err != -EINPROGRESS) {
1179                         DBG("err %d", err);
1180                         /* XXX maybe only a continue? */
1181                         return err;
1182                 }
1183         }
1184
1185         return 0;
1186 }
1187
1188 int __connman_device_request_hidden_scan(struct connman_device *device,
1189                                 const char *ssid, unsigned int ssid_len,
1190                                 const char *identity, const char *passphrase)
1191 {
1192         DBG("device %p", device);
1193
1194         if (device == NULL || device->driver == NULL ||
1195                         device->driver->scan_hidden == NULL)
1196                 return -EINVAL;
1197
1198         if (device->scanning == TRUE)
1199                 return -EALREADY;
1200
1201         return device->driver->scan_hidden(device, ssid, ssid_len,
1202                                         identity, passphrase);
1203 }
1204
1205 connman_bool_t __connman_device_isfiltered(const char *devname)
1206 {
1207         char **pattern;
1208
1209         if (device_filter == NULL)
1210                 goto nodevice;
1211
1212         for (pattern = device_filter; *pattern; pattern++) {
1213                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1214                         DBG("ignoring device %s (match)", devname);
1215                         return TRUE;
1216                 }
1217         }
1218
1219 nodevice:
1220         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1221                 DBG("ignoring dummy networking devices");
1222                 return TRUE;
1223         }
1224
1225         if (nodevice_filter == NULL)
1226                 return FALSE;
1227
1228         for (pattern = nodevice_filter; *pattern; pattern++) {
1229                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1230                         DBG("ignoring device %s (no match)", devname);
1231                         return TRUE;
1232                 }
1233         }
1234
1235         return FALSE;
1236 }
1237
1238 int __connman_device_init(const char *device, const char *nodevice)
1239 {
1240         DBG("");
1241
1242         if (device != NULL)
1243                 device_filter = g_strsplit(device, ",", -1);
1244
1245         if (nodevice != NULL)
1246                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1247
1248         return 0;
1249 }
1250
1251 void __connman_device_cleanup(void)
1252 {
1253         DBG("");
1254
1255         g_strfreev(nodevice_filter);
1256         g_strfreev(device_filter);
1257 }