src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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         char *name;
  51         char *node;
  52         char *address;
  53         char *interface;
  54         char *ident;
  55         char *path;
  56         char *devname;
  57         int phyindex;
  58         int index;
  59         guint pending_timeout;
  60
  61         struct connman_device_driver *driver;
  62         void *driver_data;
  63
  64         char *last_network;
  65         struct connman_network *network;
  66         GHashTable *networks;
  67 };
  68
  69 static void clear_pending_trigger(struct connman_device *device)
  70 {
  71         if (device->pending_timeout > 0) {
  72                 g_source_remove(device->pending_timeout);
  73                 device->pending_timeout = 0;
  74         }
  75 }
  76
  77 static const char *type2description(enum connman_device_type type)
  78 {
  79         switch (type) {
  80         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  81         case CONNMAN_DEVICE_TYPE_VENDOR:
  82                 break;
  83         case CONNMAN_DEVICE_TYPE_ETHERNET:
  84                 return "Ethernet";
  85         case CONNMAN_DEVICE_TYPE_WIFI:
  86                 return "Wireless";
  87         case CONNMAN_DEVICE_TYPE_WIMAX:
  88                 return "WiMAX";
  89         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  90                 return "Bluetooth";
  91         case CONNMAN_DEVICE_TYPE_GPS:
  92                 return "GPS";
  93         case CONNMAN_DEVICE_TYPE_CELLULAR:
  94                 return "Cellular";
  95         case CONNMAN_DEVICE_TYPE_GADGET:
  96                 return "Gadget";
  97
  98         }
  99
 100         return NULL;
 101 }
 102
 103 static const char *type2string(enum connman_device_type type)
 104 {
 105         switch (type) {
 106         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 107         case CONNMAN_DEVICE_TYPE_VENDOR:
 108                 break;
 109         case CONNMAN_DEVICE_TYPE_ETHERNET:
 110                 return "ethernet";
 111         case CONNMAN_DEVICE_TYPE_WIFI:
 112                 return "wifi";
 113         case CONNMAN_DEVICE_TYPE_WIMAX:
 114                 return "wimax";
 115         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 116                 return "bluetooth";
 117         case CONNMAN_DEVICE_TYPE_GPS:
 118                 return "gps";
 119         case CONNMAN_DEVICE_TYPE_CELLULAR:
 120                 return "cellular";
 121         case CONNMAN_DEVICE_TYPE_GADGET:
 122                 return "gadget";
 123
 124         }
 125
 126         return NULL;
 127 }
 128
 129 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 130 {
 131         enum connman_device_type type = connman_device_get_type(device);
 132
 133         switch (type) {
 134         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 135         case CONNMAN_DEVICE_TYPE_VENDOR:
 136         case CONNMAN_DEVICE_TYPE_GPS:
 137                 break;
 138         case CONNMAN_DEVICE_TYPE_ETHERNET:
 139                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 140         case CONNMAN_DEVICE_TYPE_WIFI:
 141                 return CONNMAN_SERVICE_TYPE_WIFI;
 142         case CONNMAN_DEVICE_TYPE_WIMAX:
 143                 return CONNMAN_SERVICE_TYPE_WIMAX;
 144         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 145                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 146         case CONNMAN_DEVICE_TYPE_CELLULAR:
 147                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 148         case CONNMAN_DEVICE_TYPE_GADGET:
 149                 return CONNMAN_SERVICE_TYPE_GADGET;
 150
 151         }
 152
 153         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 154 }
 155
 156 static gboolean device_pending_reset(gpointer user_data)
 157 {
 158         struct connman_device *device = user_data;
 159
 160         DBG("device %p", device);
 161
 162         /* Power request timedout, reset power pending state. */
 163         device->pending_timeout = 0;
 164         device->powered_pending = PENDING_NONE;
 165
 166         return FALSE;
 167 }
 168
 169 int __connman_device_enable(struct connman_device *device)
 170 {
 171         int err;
 172
 173         DBG("device %p", device);
 174
 175         if (!device->driver || !device->driver->enable)
 176                 return -EOPNOTSUPP;
 177
 178         /* There is an ongoing power disable request. */
 179         if (device->powered_pending == PENDING_DISABLE)
 180                 return -EBUSY;
 181
 182         if (device->powered_pending == PENDING_ENABLE)
 183                 return -EALREADY;
 184
 185         if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
 186                 return -EALREADY;
 187
 188         device->powered_pending = PENDING_ENABLE;
 189
 190         err = device->driver->enable(device);
 191         /*
 192          * device gets enabled right away.
 193          * Invoke the callback
 194          */
 195         if (err == 0) {
 196                 connman_device_set_powered(device, TRUE);
 197                 goto done;
 198         }
 199
 200         if (err == -EALREADY) {
 201                 /* If device is already powered, but connman is not updated */
 202                 connman_device_set_powered(device, TRUE);
 203                 goto done;
 204         }
 205         /*
 206          * if err == -EINPROGRESS, then the DBus call to the respective daemon
 207          * was successful. We set a 4 sec timeout so if the daemon never
 208          * returns a reply, we would reset the pending request.
 209          */
 210         if (err == -EINPROGRESS)
 211                 device->pending_timeout = g_timeout_add_seconds(4,
 212                                         device_pending_reset, device);
 213 done:
 214         return err;
 215 }
 216
 217 int __connman_device_disable(struct connman_device *device)
 218 {
 219         int err;
 220
 221         DBG("device %p", device);
 222
 223         if (!device->driver || !device->driver->disable)
 224                 return -EOPNOTSUPP;
 225
 226         /* Ongoing power enable request */
 227         if (device->powered_pending == PENDING_ENABLE)
 228                 return -EBUSY;
 229
 230         if (device->powered_pending == PENDING_DISABLE)
 231                 return -EALREADY;
 232
 233         if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
 234                 return -EALREADY;
 235
 236         device->powered_pending = PENDING_DISABLE;
 237         device->reconnect = FALSE;
 238
 239         if (device->network) {
 240                 struct connman_service *service =
 241                         __connman_service_lookup_from_network(device->network);
 242
 243                 if (service != NULL)
 244                         __connman_service_disconnect(service);
 245                 else
 246                         connman_network_set_connected(device->network, FALSE);
 247         }
 248
 249         err = device->driver->disable(device);
 250         if (err == 0 || err == -EALREADY) {
 251                 connman_device_set_powered(device, FALSE);
 252                 goto done;
 253         }
 254
 255         if (err == -EINPROGRESS)
 256                 device->pending_timeout = g_timeout_add_seconds(4,
 257                                         device_pending_reset, device);
 258 done:
 259         return err;
 260 }
 261
 262 static void probe_driver(struct connman_device_driver *driver)
 263 {
 264         GSList *list;
 265
 266         DBG("driver %p name %s", driver, driver->name);
 267
 268         for (list = device_list; list != NULL; list = list->next) {
 269                 struct connman_device *device = list->data;
 270
 271                 if (device->driver != NULL)
 272                         continue;
 273
 274                 if (driver->type != device->type)
 275                         continue;
 276
 277                 if (driver->probe(device) < 0)
 278                         continue;
 279
 280                 device->driver = driver;
 281
 282                 __connman_technology_add_device(device);
 283         }
 284 }
 285
 286 static void remove_device(struct connman_device *device)
 287 {
 288         DBG("device %p", device);
 289
 290         __connman_device_disable(device);
 291
 292         __connman_technology_remove_device(device);
 293
 294         if (device->driver->remove)
 295                 device->driver->remove(device);
 296
 297         device->driver = NULL;
 298 }
 299
 300 static void remove_driver(struct connman_device_driver *driver)
 301 {
 302         GSList *list;
 303
 304         DBG("driver %p name %s", driver, driver->name);
 305
 306         for (list = device_list; list != NULL; list = list->next) {
 307                 struct connman_device *device = list->data;
 308
 309                 if (device->driver == driver)
 310                         remove_device(device);
 311         }
 312 }
 313
 314 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 315 {
 316         if (device == NULL || device->driver == NULL)
 317                 return FALSE;
 318
 319         return TRUE;
 320 }
 321
 322 static GSList *driver_list = NULL;
 323
 324 static gint compare_priority(gconstpointer a, gconstpointer b)
 325 {
 326         const struct connman_device_driver *driver1 = a;
 327         const struct connman_device_driver *driver2 = b;
 328
 329         return driver2->priority - driver1->priority;
 330 }
 331
 332 /**
 333  * connman_device_driver_register:
 334  * @driver: device driver definition
 335  *
 336  * Register a new device driver
 337  *
 338  * Returns: %0 on success
 339  */
 340 int connman_device_driver_register(struct connman_device_driver *driver)
 341 {
 342         DBG("driver %p name %s", driver, driver->name);
 343
 344         driver_list = g_slist_insert_sorted(driver_list, driver,
 345                                                         compare_priority);
 346         probe_driver(driver);
 347
 348         return 0;
 349 }
 350
 351 /**
 352  * connman_device_driver_unregister:
 353  * @driver: device driver definition
 354  *
 355  * Remove a previously registered device driver
 356  */
 357 void connman_device_driver_unregister(struct connman_device_driver *driver)
 358 {
 359         DBG("driver %p name %s", driver, driver->name);
 360
 361         driver_list = g_slist_remove(driver_list, driver);
 362
 363         remove_driver(driver);
 364 }
 365
 366 static void free_network(gpointer data)
 367 {
 368         struct connman_network *network = data;
 369
 370         DBG("network %p", network);
 371
 372         __connman_network_set_device(network, NULL);
 373
 374         connman_network_unref(network);
 375 }
 376
 377 static void device_destruct(struct connman_device *device)
 378 {
 379         DBG("device %p name %s", device, device->name);
 380
 381         clear_pending_trigger(device);
 382
 383         g_free(device->ident);
 384         g_free(device->node);
 385         g_free(device->name);
 386         g_free(device->address);
 387         g_free(device->interface);
 388         g_free(device->path);
 389         g_free(device->devname);
 390
 391         g_free(device->last_network);
 392
 393         g_hash_table_destroy(device->networks);
 394         device->networks = NULL;
 395
 396         g_free(device);
 397 }
 398
 399 /**
 400  * connman_device_create:
 401  * @node: device node name (for example an address)
 402  * @type: device type
 403  *
 404  * Allocate a new device of given #type and assign the #node name to it.
 405  *
 406  * Returns: a newly-allocated #connman_device structure
 407  */
 408 struct connman_device *connman_device_create(const char *node,
 409                                                 enum connman_device_type type)
 410 {
 411         struct connman_device *device;
 412
 413         DBG("node %s type %d", node, type);
 414
 415         device = g_try_new0(struct connman_device, 1);
 416         if (device == NULL)
 417                 return NULL;
 418
 419         DBG("device %p", device);
 420
 421         device->refcount = 1;
 422
 423         device->type = type;
 424         device->name = g_strdup(type2description(device->type));
 425
 426         device->phyindex = -1;
 427
 428         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 429                                                 g_free, free_network);
 430
 431         device_list = g_slist_append(device_list, device);
 432
 433         return device;
 434 }
 435
 436 /**
 437  * connman_device_ref:
 438  * @device: device structure
 439  *
 440  * Increase reference counter of device
 441  */
 442 struct connman_device *connman_device_ref_debug(struct connman_device *device,
 443                                 const char *file, int line, const char *caller)
 444 {
 445         DBG("%p ref %d by %s:%d:%s()", device, device->refcount + 1,
 446                 file, line, caller);
 447
 448         __sync_fetch_and_add(&device->refcount, 1);
 449
 450         return device;
 451 }
 452
 453 /**
 454  * connman_device_unref:
 455  * @device: device structure
 456  *
 457  * Decrease reference counter of device
 458  */
 459 void connman_device_unref_debug(struct connman_device *device,
 460                                 const char *file, int line, const char *caller)
 461 {
 462         DBG("%p ref %d by %s:%d:%s()", device, device->refcount - 1,
 463                 file, line, caller);
 464
 465         if (__sync_fetch_and_sub(&device->refcount, 1) != 1)
 466                 return;
 467
 468         if (device->driver) {
 469                 device->driver->remove(device);
 470                 device->driver = NULL;
 471         }
 472
 473         device_list = g_slist_remove(device_list, device);
 474
 475         device_destruct(device);
 476 }
 477
 478 const char *__connman_device_get_type(struct connman_device *device)
 479 {
 480         return type2string(device->type);
 481 }
 482
 483 /**
 484  * connman_device_get_type:
 485  * @device: device structure
 486  *
 487  * Get type of device
 488  */
 489 enum connman_device_type connman_device_get_type(struct connman_device *device)
 490 {
 491         return device->type;
 492 }
 493
 494 /**
 495  * connman_device_set_index:
 496  * @device: device structure
 497  * @index: index number
 498  *
 499  * Set index number of device
 500  */
 501 void connman_device_set_index(struct connman_device *device, int index)
 502 {
 503         device->index = index;
 504 }
 505
 506 /**
 507  * connman_device_get_index:
 508  * @device: device structure
 509  *
 510  * Get index number of device
 511  */
 512 int connman_device_get_index(struct connman_device *device)
 513 {
 514         return device->index;
 515 }
 516
 517 int __connman_device_get_phyindex(struct connman_device *device)
 518 {
 519         return device->phyindex;
 520 }
 521
 522 void __connman_device_set_phyindex(struct connman_device *device,
 523                                                         int phyindex)
 524 {
 525         device->phyindex = phyindex;
 526 }
 527
 528 /**
 529  * connman_device_set_interface:
 530  * @device: device structure
 531  * @interface: interface name
 532  *
 533  * Set interface name of device
 534  */
 535 void connman_device_set_interface(struct connman_device *device,
 536                                                 const char *interface)
 537 {
 538         g_free(device->devname);
 539         device->devname = g_strdup(interface);
 540
 541         g_free(device->interface);
 542         device->interface = g_strdup(interface);
 543
 544         if (device->name == NULL) {
 545                 const char *str = type2description(device->type);
 546                 if (str != NULL && device->interface != NULL)
 547                         device->name = g_strdup_printf("%s (%s)", str,
 548                                                         device->interface);
 549         }
 550 }
 551
 552 /**
 553  * connman_device_set_ident:
 554  * @device: device structure
 555  * @ident: unique identifier
 556  *
 557  * Set unique identifier of device
 558  */
 559 void connman_device_set_ident(struct connman_device *device,
 560                                                         const char *ident)
 561 {
 562         g_free(device->ident);
 563         device->ident = g_strdup(ident);
 564 }
 565
 566 const char *connman_device_get_ident(struct connman_device *device)
 567 {
 568         return device->ident;
 569 }
 570
 571 /**
 572  * connman_device_set_powered:
 573  * @device: device structure
 574  * @powered: powered state
 575  *
 576  * Change power state of device
 577  */
 578 int connman_device_set_powered(struct connman_device *device,
 579                                                 connman_bool_t powered)
 580 {
 581         enum connman_service_type type;
 582
 583         DBG("driver %p powered %d", device, powered);
 584
 585         if (device->powered == powered)
 586                 return -EALREADY;
 587
 588         clear_pending_trigger(device);
 589
 590         device->powered_pending = PENDING_NONE;
 591
 592         device->powered = powered;
 593
 594         type = __connman_device_get_service_type(device);
 595
 596         if (device->powered == FALSE) {
 597                 __connman_technology_disabled(type);
 598                 return 0;
 599         }
 600
 601         __connman_technology_enabled(type);
 602
 603         connman_device_set_disconnected(device, FALSE);
 604         device->scanning = FALSE;
 605
 606         if (device->driver && device->driver->scan_fast)
 607                 device->driver->scan_fast(device);
 608         else if (device->driver && device->driver->scan)
 609                 device->driver->scan(device);
 610
 611         return 0;
 612 }
 613
 614 static int device_scan(struct connman_device *device)
 615 {
 616         if (!device->driver || !device->driver->scan)
 617                 return -EOPNOTSUPP;
 618
 619         if (device->powered == FALSE)
 620                 return -ENOLINK;
 621
 622         return device->driver->scan(device);
 623 }
 624
 625 int __connman_device_disconnect(struct connman_device *device)
 626 {
 627         GHashTableIter iter;
 628         gpointer key, value;
 629
 630         DBG("device %p", device);
 631
 632         connman_device_set_disconnected(device, TRUE);
 633
 634         g_hash_table_iter_init(&iter, device->networks);
 635
 636         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 637                 struct connman_network *network = value;
 638
 639                 if (connman_network_get_connecting(network) == TRUE) {
 640                         /*
 641                          * Skip network in the process of connecting.
 642                          * This is a workaround for WiFi networks serviced
 643                          * by the supplicant plugin that hold a reference
 644                          * to the network.  If we disconnect the network
 645                          * here then the referenced object will not be
 646                          * registered and usage (like launching DHCP client)
 647                          * will fail.  There is nothing to be gained by
 648                          * removing the network here anyway.
 649                          */
 650                         connman_warn("Skipping disconnect of %s, network is connecting.",
 651                                 connman_network_get_identifier(network));
 652                         continue;
 653                 }
 654
 655                 __connman_network_disconnect(network);
 656         }
 657
 658         return 0;
 659 }
 660
 661 static void mark_network_available(gpointer key, gpointer value,
 662                                                         gpointer user_data)
 663 {
 664         struct connman_network *network = value;
 665
 666         connman_network_set_available(network, TRUE);
 667 }
 668
 669 static void mark_network_unavailable(gpointer key, gpointer value,
 670                                                         gpointer user_data)
 671 {
 672         struct connman_network *network = value;
 673
 674         if (connman_network_get_connected(network) == TRUE)
 675                 return;
 676
 677         connman_network_set_available(network, FALSE);
 678 }
 679
 680 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 681                                                         gpointer user_data)
 682 {
 683         struct connman_network *network = value;
 684
 685         if (connman_network_get_connected(network) == TRUE)
 686                 return FALSE;
 687
 688         if (connman_network_get_available(network) == TRUE)
 689                 return FALSE;
 690
 691         return TRUE;
 692 }
 693
 694 void __connman_device_cleanup_networks(struct connman_device *device)
 695 {
 696         g_hash_table_foreach_remove(device->networks,
 697                                         remove_unavailable_network, NULL);
 698 }
 699
 700 connman_bool_t connman_device_get_scanning(struct connman_device *device)
 701 {
 702         return device->scanning;
 703 }
 704
 705 void connman_device_reset_scanning(struct connman_device *device)
 706 {
 707         device->scanning = FALSE;
 708
 709         g_hash_table_foreach(device->networks,
 710                                 mark_network_available, NULL);
 711 }
 712
 713 /**
 714  * connman_device_set_scanning:
 715  * @device: device structure
 716  * @scanning: scanning state
 717  *
 718  * Change scanning state of device
 719  */
 720 int connman_device_set_scanning(struct connman_device *device,
 721                                                 connman_bool_t scanning)
 722 {
 723         DBG("device %p scanning %d", device, scanning);
 724
 725         if (!device->driver || !device->driver->scan)
 726                 return -EINVAL;
 727
 728         if (device->scanning == scanning)
 729                 return -EALREADY;
 730
 731         device->scanning = scanning;
 732
 733         if (scanning == TRUE) {
 734                 __connman_technology_scan_started(device);
 735
 736                 g_hash_table_foreach(device->networks,
 737                                         mark_network_unavailable, NULL);
 738
 739                 return 0;
 740         }
 741
 742         __connman_device_cleanup_networks(device);
 743
 744         __connman_technology_scan_stopped(device);
 745
 746         __connman_service_auto_connect();
 747
 748         return 0;
 749 }
 750
 751 /**
 752  * connman_device_set_disconnected:
 753  * @device: device structure
 754  * @disconnected: disconnected state
 755  *
 756  * Change disconnected state of device (only for device with networks)
 757  */
 758 int connman_device_set_disconnected(struct connman_device *device,
 759                                                 connman_bool_t disconnected)
 760 {
 761         DBG("device %p disconnected %d", device, disconnected);
 762
 763         if (device->disconnected == disconnected)
 764                 return -EALREADY;
 765
 766         device->disconnected = disconnected;
 767
 768         return 0;
 769 }
 770
 771 /**
 772  * connman_device_get_disconnected:
 773  * @device: device structure
 774  *
 775  * Get device disconnected state
 776  */
 777 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 778 {
 779         return device->disconnected;
 780 }
 781
 782 /**
 783  * connman_device_set_string:
 784  * @device: device structure
 785  * @key: unique identifier
 786  * @value: string value
 787  *
 788  * Set string value for specific key
 789  */
 790 int connman_device_set_string(struct connman_device *device,
 791                                         const char *key, const char *value)
 792 {
 793         DBG("device %p key %s value %s", device, key, value);
 794
 795         if (g_str_equal(key, "Address") == TRUE) {
 796                 g_free(device->address);
 797                 device->address = g_strdup(value);
 798         } else if (g_str_equal(key, "Name") == TRUE) {
 799                 g_free(device->name);
 800                 device->name = g_strdup(value);
 801         } else if (g_str_equal(key, "Node") == TRUE) {
 802                 g_free(device->node);
 803                 device->node = g_strdup(value);
 804         } else if (g_str_equal(key, "Path") == TRUE) {
 805                 g_free(device->path);
 806                 device->path = g_strdup(value);
 807         } else {
 808                 return -EINVAL;
 809         }
 810
 811         return 0;
 812 }
 813
 814 /**
 815  * connman_device_get_string:
 816  * @device: device structure
 817  * @key: unique identifier
 818  *
 819  * Get string value for specific key
 820  */
 821 const char *connman_device_get_string(struct connman_device *device,
 822                                                         const char *key)
 823 {
 824         DBG("device %p key %s", device, key);
 825
 826         if (g_str_equal(key, "Address") == TRUE)
 827                 return device->address;
 828         else if (g_str_equal(key, "Name") == TRUE)
 829                 return device->name;
 830         else if (g_str_equal(key, "Node") == TRUE)
 831                 return device->node;
 832         else if (g_str_equal(key, "Interface") == TRUE)
 833                 return device->interface;
 834         else if (g_str_equal(key, "Path") == TRUE)
 835                 return device->path;
 836
 837         return NULL;
 838 }
 839
 840 /**
 841  * connman_device_add_network:
 842  * @device: device structure
 843  * @network: network structure
 844  *
 845  * Add new network to the device
 846  */
 847 int connman_device_add_network(struct connman_device *device,
 848                                         struct connman_network *network)
 849 {
 850         const char *identifier = connman_network_get_identifier(network);
 851
 852         DBG("device %p network %p", device, network);
 853
 854         if (identifier == NULL)
 855                 return -EINVAL;
 856
 857         connman_network_ref(network);
 858
 859         __connman_network_set_device(network, device);
 860
 861         g_hash_table_replace(device->networks, g_strdup(identifier),
 862                                                                 network);
 863
 864         return 0;
 865 }
 866
 867 /**
 868  * connman_device_get_network:
 869  * @device: device structure
 870  * @identifier: network identifier
 871  *
 872  * Get network for given identifier
 873  */
 874 struct connman_network *connman_device_get_network(struct connman_device *device,
 875                                                         const char *identifier)
 876 {
 877         DBG("device %p identifier %s", device, identifier);
 878
 879         return g_hash_table_lookup(device->networks, identifier);
 880 }
 881
 882 /**
 883  * connman_device_remove_network:
 884  * @device: device structure
 885  * @identifier: network identifier
 886  *
 887  * Remove network for given identifier
 888  */
 889 int connman_device_remove_network(struct connman_device *device,
 890                                                 struct connman_network *network)
 891 {
 892         const char *identifier;
 893
 894         DBG("device %p network %p", device, network);
 895
 896         if (network == NULL)
 897                 return 0;
 898
 899         identifier = connman_network_get_identifier(network);
 900         g_hash_table_remove(device->networks, identifier);
 901
 902         return 0;
 903 }
 904
 905 void connman_device_remove_all_networks(struct connman_device *device)
 906 {
 907         g_hash_table_remove_all(device->networks);
 908 }
 909
 910 void __connman_device_set_network(struct connman_device *device,
 911                                         struct connman_network *network)
 912 {
 913         const char *name;
 914
 915         if (device == NULL)
 916                 return;
 917
 918         if (device->network == network)
 919                 return;
 920
 921         if (network != NULL) {
 922                 name = connman_network_get_string(network, "Name");
 923                 g_free(device->last_network);
 924                 device->last_network = g_strdup(name);
 925
 926                 device->network = network;
 927         } else {
 928                 g_free(device->last_network);
 929                 device->last_network = NULL;
 930
 931                 device->network = NULL;
 932         }
 933 }
 934
 935 void __connman_device_set_reconnect(struct connman_device *device,
 936                                                 connman_bool_t reconnect)
 937 {
 938         device->reconnect = reconnect;
 939 }
 940
 941 connman_bool_t  __connman_device_get_reconnect(
 942                                 struct connman_device *device)
 943 {
 944         return device->reconnect;
 945 }
 946
 947 static gboolean match_driver(struct connman_device *device,
 948                                         struct connman_device_driver *driver)
 949 {
 950         if (device->type == driver->type ||
 951                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
 952                 return TRUE;
 953
 954         return FALSE;
 955 }
 956
 957 /**
 958  * connman_device_register:
 959  * @device: device structure
 960  *
 961  * Register device with the system
 962  */
 963 int connman_device_register(struct connman_device *device)
 964 {
 965         GSList *list;
 966
 967         DBG("device %p name %s", device, device->name);
 968
 969         if (device->driver != NULL)
 970                 return -EALREADY;
 971
 972         for (list = driver_list; list; list = list->next) {
 973                 struct connman_device_driver *driver = list->data;
 974
 975                 if (match_driver(device, driver) == FALSE)
 976                         continue;
 977
 978                 DBG("driver %p name %s", driver, driver->name);
 979
 980                 if (driver->probe(device) == 0) {
 981                         device->driver = driver;
 982                         break;
 983                 }
 984         }
 985
 986         if (device->driver == NULL)
 987                 return 0;
 988
 989         return __connman_technology_add_device(device);
 990 }
 991
 992 /**
 993  * connman_device_unregister:
 994  * @device: device structure
 995  *
 996  * Unregister device with the system
 997  */
 998 void connman_device_unregister(struct connman_device *device)
 999 {
1000         DBG("device %p name %s", device, device->name);
1001
1002         if (device->driver == NULL)
1003                 return;
1004
1005         remove_device(device);
1006 }
1007
1008 /**
1009  * connman_device_get_data:
1010  * @device: device structure
1011  *
1012  * Get private device data pointer
1013  */
1014 void *connman_device_get_data(struct connman_device *device)
1015 {
1016         return device->driver_data;
1017 }
1018
1019 /**
1020  * connman_device_set_data:
1021  * @device: device structure
1022  * @data: data pointer
1023  *
1024  * Set private device data pointer
1025  */
1026 void connman_device_set_data(struct connman_device *device, void *data)
1027 {
1028         device->driver_data = data;
1029 }
1030
1031 struct connman_device *__connman_device_find_device(
1032                                 enum connman_service_type type)
1033 {
1034         GSList *list;
1035
1036         for (list = device_list; list != NULL; list = list->next) {
1037                 struct connman_device *device = list->data;
1038                 enum connman_service_type service_type =
1039                         __connman_device_get_service_type(device);
1040
1041                 if (service_type != type)
1042                         continue;
1043
1044                 return device;
1045         }
1046
1047         return NULL;
1048 }
1049
1050 int __connman_device_request_scan(enum connman_service_type type)
1051 {
1052         connman_bool_t success = FALSE;
1053         int last_err = -ENOSYS;
1054         GSList *list;
1055         int err;
1056
1057         switch (type) {
1058         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1059         case CONNMAN_SERVICE_TYPE_SYSTEM:
1060         case CONNMAN_SERVICE_TYPE_ETHERNET:
1061         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1062         case CONNMAN_SERVICE_TYPE_CELLULAR:
1063         case CONNMAN_SERVICE_TYPE_GPS:
1064         case CONNMAN_SERVICE_TYPE_VPN:
1065         case CONNMAN_SERVICE_TYPE_GADGET:
1066                 return -EOPNOTSUPP;
1067         case CONNMAN_SERVICE_TYPE_WIFI:
1068         case CONNMAN_SERVICE_TYPE_WIMAX:
1069                 break;
1070         }
1071
1072         for (list = device_list; list != NULL; list = list->next) {
1073                 struct connman_device *device = list->data;
1074                 enum connman_service_type service_type =
1075                         __connman_device_get_service_type(device);
1076
1077                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1078                                 service_type != type) {
1079                         continue;
1080                 }
1081
1082                 err = device_scan(device);
1083                 if (err == 0 || err == -EALREADY || err == -EINPROGRESS) {
1084                         success = TRUE;
1085                 } else {
1086                         last_err = err;
1087                         DBG("device %p err %d", device, err);
1088                 }
1089         }
1090
1091         if (success == TRUE)
1092                 return 0;
1093
1094         return last_err;
1095 }
1096
1097 int __connman_device_request_hidden_scan(struct connman_device *device,
1098                                 const char *ssid, unsigned int ssid_len,
1099                                 const char *identity, const char *passphrase,
1100                                 void *user_data)
1101 {
1102         DBG("device %p", device);
1103
1104         if (device == NULL || device->driver == NULL ||
1105                         device->driver->scan_hidden == NULL)
1106                 return -EINVAL;
1107
1108         if (device->scanning == TRUE)
1109                 return -EALREADY;
1110
1111         return device->driver->scan_hidden(device, ssid, ssid_len,
1112                                         identity, passphrase, user_data);
1113 }
1114
1115 connman_bool_t __connman_device_isfiltered(const char *devname)
1116 {
1117         char **pattern;
1118
1119         if (device_filter == NULL)
1120                 goto nodevice;
1121
1122         for (pattern = device_filter; *pattern; pattern++) {
1123                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1124                         DBG("ignoring device %s (match)", devname);
1125                         return TRUE;
1126                 }
1127         }
1128
1129 nodevice:
1130         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1131                 DBG("ignoring dummy networking devices");
1132                 return TRUE;
1133         }
1134
1135         if (nodevice_filter == NULL)
1136                 return FALSE;
1137
1138         for (pattern = nodevice_filter; *pattern; pattern++) {
1139                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1140                         DBG("ignoring device %s (no match)", devname);
1141                         return TRUE;
1142                 }
1143         }
1144
1145         return FALSE;
1146 }
1147
1148 int __connman_device_init(const char *device, const char *nodevice)
1149 {
1150         DBG("");
1151
1152         if (device != NULL)
1153                 device_filter = g_strsplit(device, ",", -1);
1154
1155         if (nodevice != NULL)
1156                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1157
1158         return 0;
1159 }
1160
1161 void __connman_device_cleanup(void)
1162 {
1163         DBG("");
1164
1165         g_strfreev(nodevice_filter);
1166         g_strfreev(device_filter);
1167 }