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         gint 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 reset_scan_trigger(struct connman_device *device)
 100 {
 101         clear_scan_trigger(device);
 102
 103         if (device->scan_interval > 0) {
 104                 guint interval;
 105
 106                 if (g_hash_table_size(device->networks) == 0) {
 107                         if (device->backoff_interval >= device->scan_interval)
 108                                 device->backoff_interval = SCAN_INITIAL_DELAY;
 109                         interval = device->backoff_interval;
 110                 } else
 111                         interval = device->scan_interval;
 112
 113                 DBG("interval %d", interval);
 114
 115                 device->scan_timeout = g_timeout_add_seconds(interval,
 116                                         device_scan_trigger, device);
 117
 118                 device->backoff_interval *= 2;
 119                 if (device->backoff_interval > device->scan_interval)
 120                         device->backoff_interval = device->scan_interval;
 121         }
 122 }
 123
 124 static void force_scan_trigger(struct connman_device *device)
 125 {
 126         clear_scan_trigger(device);
 127
 128         device->scan_timeout = g_timeout_add_seconds(5,
 129                                         device_scan_trigger, device);
 130 }
 131
 132 void connman_device_schedule_scan(struct connman_device *device)
 133 {
 134         reset_scan_trigger(device);
 135 }
 136
 137 static const char *type2description(enum connman_device_type type)
 138 {
 139         switch (type) {
 140         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 141         case CONNMAN_DEVICE_TYPE_VENDOR:
 142                 break;
 143         case CONNMAN_DEVICE_TYPE_ETHERNET:
 144                 return "Ethernet";
 145         case CONNMAN_DEVICE_TYPE_WIFI:
 146                 return "Wireless";
 147         case CONNMAN_DEVICE_TYPE_WIMAX:
 148                 return "WiMAX";
 149         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 150                 return "Bluetooth";
 151         case CONNMAN_DEVICE_TYPE_GPS:
 152                 return "GPS";
 153         case CONNMAN_DEVICE_TYPE_CELLULAR:
 154                 return "Cellular";
 155         case CONNMAN_DEVICE_TYPE_GADGET:
 156                 return "Gadget";
 157
 158         }
 159
 160         return NULL;
 161 }
 162
 163 static const char *type2string(enum connman_device_type type)
 164 {
 165         switch (type) {
 166         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 167         case CONNMAN_DEVICE_TYPE_VENDOR:
 168                 break;
 169         case CONNMAN_DEVICE_TYPE_ETHERNET:
 170                 return "ethernet";
 171         case CONNMAN_DEVICE_TYPE_WIFI:
 172                 return "wifi";
 173         case CONNMAN_DEVICE_TYPE_WIMAX:
 174                 return "wimax";
 175         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 176                 return "bluetooth";
 177         case CONNMAN_DEVICE_TYPE_GPS:
 178                 return "gps";
 179         case CONNMAN_DEVICE_TYPE_CELLULAR:
 180                 return "cellular";
 181         case CONNMAN_DEVICE_TYPE_GADGET:
 182                 return "gadget";
 183
 184         }
 185
 186         return NULL;
 187 }
 188
 189 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 190 {
 191         enum connman_device_type type = connman_device_get_type(device);
 192
 193         switch (type) {
 194         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 195         case CONNMAN_DEVICE_TYPE_VENDOR:
 196         case CONNMAN_DEVICE_TYPE_GPS:
 197                 break;
 198         case CONNMAN_DEVICE_TYPE_ETHERNET:
 199                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 200         case CONNMAN_DEVICE_TYPE_WIFI:
 201                 return CONNMAN_SERVICE_TYPE_WIFI;
 202         case CONNMAN_DEVICE_TYPE_WIMAX:
 203                 return CONNMAN_SERVICE_TYPE_WIMAX;
 204         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 205                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 206         case CONNMAN_DEVICE_TYPE_CELLULAR:
 207                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 208         case CONNMAN_DEVICE_TYPE_GADGET:
 209                 return CONNMAN_SERVICE_TYPE_GADGET;
 210
 211         }
 212
 213         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 214 }
 215
 216 static gboolean device_pending_reset(gpointer user_data)
 217 {
 218         struct connman_device *device = user_data;
 219
 220         DBG("device %p", device);
 221
 222         /* Power request timedout, reset power pending state. */
 223         device->pending_timeout = 0;
 224         device->powered_pending = PENDING_NONE;
 225
 226         return FALSE;
 227 }
 228
 229 int __connman_device_enable(struct connman_device *device)
 230 {
 231         int err;
 232
 233         DBG("device %p", device);
 234
 235         if (!device->driver || !device->driver->enable)
 236                 return -EOPNOTSUPP;
 237
 238         /* There is an ongoing power disable request. */
 239         if (device->powered_pending == PENDING_DISABLE)
 240                 return -EBUSY;
 241
 242         if (device->powered_pending == PENDING_ENABLE)
 243                 return -EALREADY;
 244
 245         if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
 246                 return -EALREADY;
 247
 248         device->powered_pending = PENDING_ENABLE;
 249
 250         err = device->driver->enable(device);
 251         /*
 252          * device gets enabled right away.
 253          * Invoke the callback
 254          */
 255         if (err == 0) {
 256                 connman_device_set_powered(device, TRUE);
 257                 goto done;
 258         }
 259
 260         if (err == -EALREADY) {
 261                 /* If device is already powered, but connman is not updated */
 262                 connman_device_set_powered(device, TRUE);
 263                 goto done;
 264         }
 265         /*
 266          * if err == -EINPROGRESS, then the DBus call to the respective daemon
 267          * was successful. We set a 4 sec timeout so if the daemon never
 268          * returns a reply, we would reset the pending request.
 269          */
 270         if (err == -EINPROGRESS)
 271                 device->pending_timeout = g_timeout_add_seconds(4,
 272                                         device_pending_reset, device);
 273 done:
 274         return err;
 275 }
 276
 277 int __connman_device_disable(struct connman_device *device)
 278 {
 279         int err;
 280
 281         DBG("device %p", device);
 282
 283         if (!device->driver || !device->driver->disable)
 284                 return -EOPNOTSUPP;
 285
 286         /* Ongoing power enable request */
 287         if (device->powered_pending == PENDING_ENABLE)
 288                 return -EBUSY;
 289
 290         if (device->powered_pending == PENDING_DISABLE)
 291                 return -EALREADY;
 292
 293         if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
 294                 return -EALREADY;
 295
 296         device->powered_pending = PENDING_DISABLE;
 297         device->reconnect = FALSE;
 298
 299         clear_scan_trigger(device);
 300
 301         if (device->network)
 302                 connman_network_set_connected(device->network, FALSE);
 303
 304         err = device->driver->disable(device);
 305         if (err == 0) {
 306                 connman_device_set_powered(device, FALSE);
 307                 goto done;
 308         }
 309
 310         if (err == -EALREADY) {
 311                 connman_device_set_powered(device, FALSE);
 312                 goto done;
 313         }
 314
 315         if (err == -EINPROGRESS)
 316                 device->pending_timeout = g_timeout_add_seconds(4,
 317                                         device_pending_reset, device);
 318 done:
 319         return err;
 320 }
 321
 322 static void probe_driver(struct connman_device_driver *driver)
 323 {
 324         GSList *list;
 325
 326         DBG("driver %p name %s", driver, driver->name);
 327
 328         for (list = device_list; list != NULL; list = list->next) {
 329                 struct connman_device *device = list->data;
 330
 331                 if (device->driver != NULL)
 332                         continue;
 333
 334                 if (driver->type != device->type)
 335                         continue;
 336
 337                 if (driver->probe(device) < 0)
 338                         continue;
 339
 340                 device->driver = driver;
 341
 342                 __connman_technology_add_device(device);
 343         }
 344 }
 345
 346 static void remove_device(struct connman_device *device)
 347 {
 348         DBG("device %p", device);
 349
 350         __connman_device_disable(device);
 351
 352         __connman_technology_remove_device(device);
 353
 354         if (device->driver->remove)
 355                 device->driver->remove(device);
 356
 357         device->driver = NULL;
 358 }
 359
 360 static void remove_driver(struct connman_device_driver *driver)
 361 {
 362         GSList *list;
 363
 364         DBG("driver %p name %s", driver, driver->name);
 365
 366         for (list = device_list; list != NULL; list = list->next) {
 367                 struct connman_device *device = list->data;
 368
 369                 if (device->driver == driver)
 370                         remove_device(device);
 371         }
 372 }
 373
 374 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 375 {
 376         if (device == NULL || device->driver == NULL)
 377                 return FALSE;
 378
 379         return TRUE;
 380 }
 381
 382 static GSList *driver_list = NULL;
 383
 384 static gint compare_priority(gconstpointer a, gconstpointer b)
 385 {
 386         const struct connman_device_driver *driver1 = a;
 387         const struct connman_device_driver *driver2 = b;
 388
 389         return driver2->priority - driver1->priority;
 390 }
 391
 392 /**
 393  * connman_device_driver_register:
 394  * @driver: device driver definition
 395  *
 396  * Register a new device driver
 397  *
 398  * Returns: %0 on success
 399  */
 400 int connman_device_driver_register(struct connman_device_driver *driver)
 401 {
 402         DBG("driver %p name %s", driver, driver->name);
 403
 404         driver_list = g_slist_insert_sorted(driver_list, driver,
 405                                                         compare_priority);
 406         probe_driver(driver);
 407
 408         return 0;
 409 }
 410
 411 /**
 412  * connman_device_driver_unregister:
 413  * @driver: device driver definition
 414  *
 415  * Remove a previously registered device driver
 416  */
 417 void connman_device_driver_unregister(struct connman_device_driver *driver)
 418 {
 419         DBG("driver %p name %s", driver, driver->name);
 420
 421         driver_list = g_slist_remove(driver_list, driver);
 422
 423         remove_driver(driver);
 424 }
 425
 426 static void free_network(gpointer data)
 427 {
 428         struct connman_network *network = data;
 429
 430         DBG("network %p", network);
 431
 432         __connman_network_set_device(network, NULL);
 433
 434         connman_network_unref(network);
 435 }
 436
 437 static void device_destruct(struct connman_device *device)
 438 {
 439         DBG("device %p name %s", device, device->name);
 440
 441         clear_scan_trigger(device);
 442
 443         g_free(device->ident);
 444         g_free(device->node);
 445         g_free(device->name);
 446         g_free(device->address);
 447         g_free(device->interface);
 448         g_free(device->path);
 449         g_free(device->devname);
 450
 451         g_free(device->last_network);
 452
 453         g_hash_table_destroy(device->networks);
 454         device->networks = NULL;
 455
 456         g_free(device);
 457 }
 458
 459 /**
 460  * connman_device_create:
 461  * @node: device node name (for example an address)
 462  * @type: device type
 463  *
 464  * Allocate a new device of given #type and assign the #node name to it.
 465  *
 466  * Returns: a newly-allocated #connman_device structure
 467  */
 468 struct connman_device *connman_device_create(const char *node,
 469                                                 enum connman_device_type type)
 470 {
 471         struct connman_device *device;
 472         connman_bool_t bg_scan;
 473
 474         DBG("node %s type %d", node, type);
 475
 476         device = g_try_new0(struct connman_device, 1);
 477         if (device == NULL)
 478                 return NULL;
 479
 480         DBG("device %p", device);
 481
 482         device->refcount = 1;
 483
 484         bg_scan = connman_setting_get_bool("BackgroundScanning");
 485
 486         device->type = type;
 487         device->name = g_strdup(type2description(device->type));
 488
 489         device->phyindex = -1;
 490
 491         device->backoff_interval = SCAN_INITIAL_DELAY;
 492
 493         switch (type) {
 494         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 495         case CONNMAN_DEVICE_TYPE_ETHERNET:
 496         case CONNMAN_DEVICE_TYPE_WIMAX:
 497         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 498         case CONNMAN_DEVICE_TYPE_CELLULAR:
 499         case CONNMAN_DEVICE_TYPE_GPS:
 500         case CONNMAN_DEVICE_TYPE_GADGET:
 501         case CONNMAN_DEVICE_TYPE_VENDOR:
 502                 device->scan_interval = 0;
 503                 break;
 504         case CONNMAN_DEVICE_TYPE_WIFI:
 505                 if (bg_scan == TRUE)
 506                         device->scan_interval = 300;
 507                 else
 508                         device->scan_interval = 0;
 509                 break;
 510         }
 511
 512         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 513                                                 g_free, free_network);
 514
 515         device_list = g_slist_append(device_list, device);
 516
 517         return device;
 518 }
 519
 520 /**
 521  * connman_device_ref:
 522  * @device: device structure
 523  *
 524  * Increase reference counter of device
 525  */
 526 struct connman_device *connman_device_ref(struct connman_device *device)
 527 {
 528         DBG("%p", device);
 529
 530         g_atomic_int_inc(&device->refcount);
 531
 532         return device;
 533 }
 534
 535 /**
 536  * connman_device_unref:
 537  * @device: device structure
 538  *
 539  * Decrease reference counter of device
 540  */
 541 void connman_device_unref(struct connman_device *device)
 542 {
 543         if (g_atomic_int_dec_and_test(&device->refcount) == FALSE)
 544                 return;
 545
 546         if (device->driver) {
 547                 device->driver->remove(device);
 548                 device->driver = NULL;
 549         }
 550
 551         device_list = g_slist_remove(device_list, device);
 552
 553         device_destruct(device);
 554 }
 555
 556 const char *__connman_device_get_type(struct connman_device *device)
 557 {
 558         return type2string(device->type);
 559 }
 560
 561 /**
 562  * connman_device_get_type:
 563  * @device: device structure
 564  *
 565  * Get type of device
 566  */
 567 enum connman_device_type connman_device_get_type(struct connman_device *device)
 568 {
 569         return device->type;
 570 }
 571
 572 /**
 573  * connman_device_set_index:
 574  * @device: device structure
 575  * @index: index number
 576  *
 577  * Set index number of device
 578  */
 579 void connman_device_set_index(struct connman_device *device, int index)
 580 {
 581         device->index = index;
 582 }
 583
 584 /**
 585  * connman_device_get_index:
 586  * @device: device structure
 587  *
 588  * Get index number of device
 589  */
 590 int connman_device_get_index(struct connman_device *device)
 591 {
 592         return device->index;
 593 }
 594
 595 int __connman_device_get_phyindex(struct connman_device *device)
 596 {
 597         return device->phyindex;
 598 }
 599
 600 void __connman_device_set_phyindex(struct connman_device *device,
 601                                                         int phyindex)
 602 {
 603         device->phyindex = phyindex;
 604 }
 605
 606 /**
 607  * connman_device_set_interface:
 608  * @device: device structure
 609  * @interface: interface name
 610  *
 611  * Set interface name of device
 612  */
 613 void connman_device_set_interface(struct connman_device *device,
 614                                                 const char *interface)
 615 {
 616         g_free(device->devname);
 617         device->devname = g_strdup(interface);
 618
 619         g_free(device->interface);
 620         device->interface = g_strdup(interface);
 621
 622         if (device->name == NULL) {
 623                 const char *str = type2description(device->type);
 624                 if (str != NULL && device->interface != NULL)
 625                         device->name = g_strdup_printf("%s (%s)", str,
 626                                                         device->interface);
 627         }
 628 }
 629
 630 /**
 631  * connman_device_set_ident:
 632  * @device: device structure
 633  * @ident: unique identifier
 634  *
 635  * Set unique identifier of device
 636  */
 637 void connman_device_set_ident(struct connman_device *device,
 638                                                         const char *ident)
 639 {
 640         g_free(device->ident);
 641         device->ident = g_strdup(ident);
 642 }
 643
 644 const char *connman_device_get_ident(struct connman_device *device)
 645 {
 646         return device->ident;
 647 }
 648
 649 /**
 650  * connman_device_set_powered:
 651  * @device: device structure
 652  * @powered: powered state
 653  *
 654  * Change power state of device
 655  */
 656 int connman_device_set_powered(struct connman_device *device,
 657                                                 connman_bool_t powered)
 658 {
 659         enum connman_service_type type;
 660
 661         DBG("driver %p powered %d", device, powered);
 662
 663         if (device->powered == powered)
 664                 return -EALREADY;
 665
 666         if (device->pending_timeout) {
 667                 /* Reset pending request */
 668                 g_source_remove(device->pending_timeout);
 669                 device->pending_timeout = 0;
 670         }
 671
 672         device->powered_pending = PENDING_NONE;
 673
 674         device->powered = powered;
 675
 676         type = __connman_device_get_service_type(device);
 677
 678         if (device->powered == TRUE)
 679                 __connman_technology_enabled(type);
 680         else
 681                 __connman_technology_disabled(type);
 682
 683         if (powered == FALSE)
 684                 return 0;
 685
 686         connman_device_set_disconnected(device, FALSE);
 687         device->scanning = FALSE;
 688
 689         reset_scan_trigger(device);
 690
 691         if (device->driver && device->driver->scan_fast)
 692                 device->driver->scan_fast(device);
 693         else if (device->driver && device->driver->scan)
 694                 device->driver->scan(device);
 695
 696         return 0;
 697 }
 698
 699 static int device_scan(struct connman_device *device)
 700 {
 701         if (!device->driver || !device->driver->scan)
 702                 return -EOPNOTSUPP;
 703
 704         if (device->powered == FALSE)
 705                 return -ENOLINK;
 706
 707         reset_scan_trigger(device);
 708
 709         return device->driver->scan(device);
 710 }
 711
 712 int __connman_device_disconnect(struct connman_device *device)
 713 {
 714         GHashTableIter iter;
 715         gpointer key, value;
 716
 717         DBG("device %p", device);
 718
 719         connman_device_set_disconnected(device, TRUE);
 720
 721         g_hash_table_iter_init(&iter, device->networks);
 722
 723         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 724                 struct connman_network *network = value;
 725
 726                 if (connman_network_get_connecting(network) == TRUE) {
 727                         /*
 728                          * Skip network in the process of connecting.
 729                          * This is a workaround for WiFi networks serviced
 730                          * by the supplicant plugin that hold a reference
 731                          * to the network.  If we disconnect the network
 732                          * here then the referenced object will not be
 733                          * registered and usage (like launching DHCP client)
 734                          * will fail.  There is nothing to be gained by
 735                          * removing the network here anyway.
 736                          */
 737                         connman_warn("Skipping disconnect of %s, network is connecting.",
 738                                 connman_network_get_identifier(network));
 739                         continue;
 740                 }
 741
 742                 __connman_network_disconnect(network);
 743         }
 744
 745         return 0;
 746 }
 747
 748 static void mark_network_available(gpointer key, gpointer value,
 749                                                         gpointer user_data)
 750 {
 751         struct connman_network *network = value;
 752
 753         connman_network_set_available(network, TRUE);
 754 }
 755
 756 static void mark_network_unavailable(gpointer key, gpointer value,
 757                                                         gpointer user_data)
 758 {
 759         struct connman_network *network = value;
 760
 761         if (connman_network_get_connected(network) == TRUE)
 762                 return;
 763
 764         connman_network_set_available(network, FALSE);
 765 }
 766
 767 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 768                                                         gpointer user_data)
 769 {
 770         struct connman_network *network = value;
 771
 772         if (connman_network_get_connected(network) == TRUE)
 773                 return FALSE;
 774
 775         if (connman_network_get_available(network) == TRUE)
 776                 return FALSE;
 777
 778         return TRUE;
 779 }
 780
 781 void __connman_device_cleanup_networks(struct connman_device *device)
 782 {
 783         g_hash_table_foreach_remove(device->networks,
 784                                         remove_unavailable_network, NULL);
 785 }
 786
 787 connman_bool_t __connman_device_scanning(struct connman_device *device)
 788 {
 789         return device->scanning;
 790 }
 791
 792 void connman_device_reset_scanning(struct connman_device *device)
 793 {
 794         device->scanning = FALSE;
 795
 796         g_hash_table_foreach(device->networks,
 797                                 mark_network_available, NULL);
 798
 799 }
 800
 801 /**
 802  * connman_device_set_scanning:
 803  * @device: device structure
 804  * @scanning: scanning state
 805  *
 806  * Change scanning state of device
 807  */
 808 int connman_device_set_scanning(struct connman_device *device,
 809                                                 connman_bool_t scanning)
 810 {
 811         DBG("device %p scanning %d", device, scanning);
 812
 813         if (!device->driver || !device->driver->scan)
 814                 return -EINVAL;
 815
 816         if (device->scanning == scanning)
 817                 return -EALREADY;
 818
 819         device->scanning = scanning;
 820
 821         if (scanning == TRUE) {
 822                 reset_scan_trigger(device);
 823
 824                 g_hash_table_foreach(device->networks,
 825                                         mark_network_unavailable, NULL);
 826
 827                 return 0;
 828         }
 829
 830         __connman_device_cleanup_networks(device);
 831
 832         __connman_service_auto_connect();
 833
 834         return 0;
 835 }
 836
 837 /**
 838  * connman_device_set_disconnected:
 839  * @device: device structure
 840  * @disconnected: disconnected state
 841  *
 842  * Change disconnected state of device (only for device with networks)
 843  */
 844 int connman_device_set_disconnected(struct connman_device *device,
 845                                                 connman_bool_t disconnected)
 846 {
 847         DBG("device %p disconnected %d", device, disconnected);
 848
 849         if (device->disconnected == disconnected)
 850                 return -EALREADY;
 851
 852         device->disconnected = disconnected;
 853
 854         if (disconnected == TRUE)
 855         {
 856                 force_scan_trigger(device);
 857                 device->backoff_interval = SCAN_INITIAL_DELAY;
 858         }
 859
 860         return 0;
 861 }
 862
 863 /**
 864  * connman_device_get_disconnected:
 865  * @device: device structure
 866  *
 867  * Get device disconnected state
 868  */
 869 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 870 {
 871         return device->disconnected;
 872 }
 873
 874 /**
 875  * connman_device_set_string:
 876  * @device: device structure
 877  * @key: unique identifier
 878  * @value: string value
 879  *
 880  * Set string value for specific key
 881  */
 882 int connman_device_set_string(struct connman_device *device,
 883                                         const char *key, const char *value)
 884 {
 885         DBG("device %p key %s value %s", device, key, value);
 886
 887         if (g_str_equal(key, "Address") == TRUE) {
 888                 g_free(device->address);
 889                 device->address = g_strdup(value);
 890         } else if (g_str_equal(key, "Name") == TRUE) {
 891                 g_free(device->name);
 892                 device->name = g_strdup(value);
 893         } else if (g_str_equal(key, "Node") == TRUE) {
 894                 g_free(device->node);
 895                 device->node = g_strdup(value);
 896         } else if (g_str_equal(key, "Path") == TRUE) {
 897                 g_free(device->path);
 898                 device->path = g_strdup(value);
 899         } else {
 900                 return -EINVAL;
 901         }
 902
 903         return 0;
 904 }
 905
 906 /**
 907  * connman_device_get_string:
 908  * @device: device structure
 909  * @key: unique identifier
 910  *
 911  * Get string value for specific key
 912  */
 913 const char *connman_device_get_string(struct connman_device *device,
 914                                                         const char *key)
 915 {
 916         DBG("device %p key %s", device, key);
 917
 918         if (g_str_equal(key, "Address") == TRUE)
 919                 return device->address;
 920         else if (g_str_equal(key, "Name") == TRUE)
 921                 return device->name;
 922         else if (g_str_equal(key, "Node") == TRUE)
 923                 return device->node;
 924         else if (g_str_equal(key, "Interface") == TRUE)
 925                 return device->interface;
 926         else if (g_str_equal(key, "Path") == TRUE)
 927                 return device->path;
 928
 929         return NULL;
 930 }
 931
 932 /**
 933  * connman_device_add_network:
 934  * @device: device structure
 935  * @network: network structure
 936  *
 937  * Add new network to the device
 938  */
 939 int connman_device_add_network(struct connman_device *device,
 940                                         struct connman_network *network)
 941 {
 942         const char *identifier = connman_network_get_identifier(network);
 943
 944         DBG("device %p network %p", device, network);
 945
 946         if (identifier == NULL)
 947                 return -EINVAL;
 948
 949         connman_network_ref(network);
 950
 951         __connman_network_set_device(network, device);
 952
 953         g_hash_table_insert(device->networks, g_strdup(identifier),
 954                                                                 network);
 955
 956         return 0;
 957 }
 958
 959 /**
 960  * connman_device_get_network:
 961  * @device: device structure
 962  * @identifier: network identifier
 963  *
 964  * Get network for given identifier
 965  */
 966 struct connman_network *connman_device_get_network(struct connman_device *device,
 967                                                         const char *identifier)
 968 {
 969         DBG("device %p identifier %s", device, identifier);
 970
 971         return g_hash_table_lookup(device->networks, identifier);
 972 }
 973
 974 /**
 975  * connman_device_remove_network:
 976  * @device: device structure
 977  * @identifier: network identifier
 978  *
 979  * Remove network for given identifier
 980  */
 981 int connman_device_remove_network(struct connman_device *device,
 982                                                 struct connman_network *network)
 983 {
 984         const char *identifier;
 985
 986         DBG("device %p network %p", device, network);
 987
 988         if (network == NULL)
 989                 return 0;
 990
 991         identifier = connman_network_get_identifier(network);
 992         g_hash_table_remove(device->networks, identifier);
 993
 994         return 0;
 995 }
 996
 997 void connman_device_remove_all_networks(struct connman_device *device)
 998 {
 999         g_hash_table_remove_all(device->networks);
1000 }
1001
1002 void __connman_device_set_network(struct connman_device *device,
1003                                         struct connman_network *network)
1004 {
1005         const char *name;
1006
1007         if (device == NULL)
1008                 return;
1009
1010         if (device->network == network)
1011                 return;
1012
1013         if (network != NULL) {
1014                 name = connman_network_get_string(network, "Name");
1015                 g_free(device->last_network);
1016                 device->last_network = g_strdup(name);
1017
1018                 device->network = network;
1019         } else {
1020                 g_free(device->last_network);
1021                 device->last_network = NULL;
1022
1023                 device->network = NULL;
1024         }
1025 }
1026
1027 void __connman_device_set_reconnect(struct connman_device *device,
1028                                                 connman_bool_t reconnect)
1029 {
1030         device->reconnect = reconnect;
1031 }
1032
1033 connman_bool_t  __connman_device_get_reconnect(
1034                                 struct connman_device *device)
1035 {
1036         return device->reconnect;
1037 }
1038
1039 static gboolean match_driver(struct connman_device *device,
1040                                         struct connman_device_driver *driver)
1041 {
1042         if (device->type == driver->type ||
1043                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1044                 return TRUE;
1045
1046         return FALSE;
1047 }
1048
1049 /**
1050  * connman_device_register:
1051  * @device: device structure
1052  *
1053  * Register device with the system
1054  */
1055 int connman_device_register(struct connman_device *device)
1056 {
1057         GSList *list;
1058
1059         DBG("device %p name %s", device, device->name);
1060
1061         if (device->driver != NULL)
1062                 return -EALREADY;
1063
1064         for (list = driver_list; list; list = list->next) {
1065                 struct connman_device_driver *driver = list->data;
1066
1067                 if (match_driver(device, driver) == FALSE)
1068                         continue;
1069
1070                 DBG("driver %p name %s", driver, driver->name);
1071
1072                 if (driver->probe(device) == 0) {
1073                         device->driver = driver;
1074                         break;
1075                 }
1076         }
1077
1078         if (device->driver == NULL)
1079                 return 0;
1080
1081         return __connman_technology_add_device(device);
1082 }
1083
1084 /**
1085  * connman_device_unregister:
1086  * @device: device structure
1087  *
1088  * Unregister device with the system
1089  */
1090 void connman_device_unregister(struct connman_device *device)
1091 {
1092         DBG("device %p name %s", device, device->name);
1093
1094         if (device->driver == NULL)
1095                 return;
1096
1097         remove_device(device);
1098 }
1099
1100 /**
1101  * connman_device_get_data:
1102  * @device: device structure
1103  *
1104  * Get private device data pointer
1105  */
1106 void *connman_device_get_data(struct connman_device *device)
1107 {
1108         return device->driver_data;
1109 }
1110
1111 /**
1112  * connman_device_set_data:
1113  * @device: device structure
1114  * @data: data pointer
1115  *
1116  * Set private device data pointer
1117  */
1118 void connman_device_set_data(struct connman_device *device, void *data)
1119 {
1120         device->driver_data = data;
1121 }
1122
1123 struct connman_device *__connman_device_find_device(
1124                                 enum connman_service_type type)
1125 {
1126         GSList *list;
1127
1128         for (list = device_list; list != NULL; list = list->next) {
1129                 struct connman_device *device = list->data;
1130                 enum connman_service_type service_type =
1131                         __connman_device_get_service_type(device);
1132
1133                 if (service_type != type)
1134                         continue;
1135
1136                 return device;
1137         }
1138
1139         return NULL;
1140 }
1141
1142 int __connman_device_request_scan(enum connman_service_type type)
1143 {
1144         GSList *list;
1145         int err;
1146
1147         switch (type) {
1148         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1149         case CONNMAN_SERVICE_TYPE_SYSTEM:
1150         case CONNMAN_SERVICE_TYPE_ETHERNET:
1151         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1152         case CONNMAN_SERVICE_TYPE_CELLULAR:
1153         case CONNMAN_SERVICE_TYPE_GPS:
1154         case CONNMAN_SERVICE_TYPE_VPN:
1155         case CONNMAN_SERVICE_TYPE_GADGET:
1156                 return 0;
1157         case CONNMAN_SERVICE_TYPE_WIFI:
1158         case CONNMAN_SERVICE_TYPE_WIMAX:
1159                 break;
1160         }
1161
1162         for (list = device_list; list != NULL; list = list->next) {
1163                 struct connman_device *device = list->data;
1164                 enum connman_service_type service_type =
1165                         __connman_device_get_service_type(device);
1166
1167                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1168                                 service_type != type) {
1169                         continue;
1170                 }
1171
1172                 err = device_scan(device);
1173                 if (err < 0 && err != -EINPROGRESS) {
1174                         DBG("err %d", err);
1175                         /* XXX maybe only a continue? */
1176                         return err;
1177                 }
1178         }
1179
1180         return 0;
1181 }
1182
1183 connman_bool_t __connman_device_isfiltered(const char *devname)
1184 {
1185         char **pattern;
1186
1187         if (device_filter == NULL)
1188                 goto nodevice;
1189
1190         for (pattern = device_filter; *pattern; pattern++) {
1191                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1192                         DBG("ignoring device %s (match)", devname);
1193                         return TRUE;
1194                 }
1195         }
1196
1197 nodevice:
1198         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1199                 DBG("ignoring dummy networking devices");
1200                 return TRUE;
1201         }
1202
1203         if (nodevice_filter == NULL)
1204                 return FALSE;
1205
1206         for (pattern = nodevice_filter; *pattern; pattern++) {
1207                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1208                         DBG("ignoring device %s (no match)", devname);
1209                         return TRUE;
1210                 }
1211         }
1212
1213         return FALSE;
1214 }
1215
1216 int __connman_device_init(const char *device, const char *nodevice)
1217 {
1218         DBG("");
1219
1220         if (device != NULL)
1221                 device_filter = g_strsplit(device, ",", -1);
1222
1223         if (nodevice != NULL)
1224                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1225
1226         return 0;
1227 }
1228
1229 void __connman_device_cleanup(void)
1230 {
1231         DBG("");
1232
1233         g_strfreev(nodevice_filter);
1234         g_strfreev(device_filter);
1235 }