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 struct connman_device {
  36         gint refcount;
  37         enum connman_device_type type;
  38         connman_bool_t offlinemode;
  39         connman_bool_t blocked;
  40         connman_bool_t powered;
  41         connman_bool_t powered_pending;
  42         connman_bool_t powered_persistent;
  43         connman_bool_t scanning;
  44         connman_bool_t disconnected;
  45         connman_bool_t reconnect;
  46         connman_uint16_t scan_interval;
  47         connman_uint16_t backoff_interval;
  48         char *name;
  49         char *node;
  50         char *address;
  51         char *interface;
  52         char *ident;
  53         char *path;
  54         char *devname;
  55         int phyindex;
  56         int index;
  57         unsigned int connections;
  58         guint scan_timeout;
  59
  60         struct connman_device_driver *driver;
  61         void *driver_data;
  62
  63         char *last_network;
  64         struct connman_network *network;
  65         GHashTable *networks;
  66 };
  67
  68 #define SCAN_INITIAL_DELAY 10
  69
  70 static gboolean device_scan_trigger(gpointer user_data)
  71 {
  72         struct connman_device *device = user_data;
  73
  74         DBG("device %p", device);
  75
  76         if (device->driver == NULL) {
  77                 device->scan_timeout = 0;
  78                 return FALSE;
  79         }
  80
  81         if (device->driver->scan)
  82                 device->driver->scan(device);
  83
  84         return TRUE;
  85 }
  86
  87 static void clear_scan_trigger(struct connman_device *device)
  88 {
  89         if (device->scan_timeout > 0) {
  90                 g_source_remove(device->scan_timeout);
  91                 device->scan_timeout = 0;
  92         }
  93 }
  94
  95 static void reset_scan_trigger(struct connman_device *device)
  96 {
  97         clear_scan_trigger(device);
  98
  99         if (device->scan_interval > 0) {
 100                 guint interval;
 101
 102                 if (g_hash_table_size(device->networks) == 0) {
 103                         if (device->backoff_interval >= device->scan_interval)
 104                                 device->backoff_interval = SCAN_INITIAL_DELAY;
 105                         interval = device->backoff_interval;
 106                 } else
 107                         interval = device->scan_interval;
 108
 109                 DBG("interval %d", interval);
 110
 111                 device->scan_timeout = g_timeout_add_seconds(interval,
 112                                         device_scan_trigger, device);
 113
 114                 device->backoff_interval *= 2;
 115                 if (device->backoff_interval > device->scan_interval)
 116                         device->backoff_interval = device->scan_interval;
 117         }
 118 }
 119
 120 static void force_scan_trigger(struct connman_device *device)
 121 {
 122         clear_scan_trigger(device);
 123
 124         device->scan_timeout = g_timeout_add_seconds(5,
 125                                         device_scan_trigger, device);
 126 }
 127
 128 void connman_device_schedule_scan(struct connman_device *device)
 129 {
 130         reset_scan_trigger(device);
 131 }
 132
 133 static const char *type2description(enum connman_device_type type)
 134 {
 135         switch (type) {
 136         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 137         case CONNMAN_DEVICE_TYPE_VENDOR:
 138                 break;
 139         case CONNMAN_DEVICE_TYPE_ETHERNET:
 140                 return "Ethernet";
 141         case CONNMAN_DEVICE_TYPE_WIFI:
 142                 return "Wireless";
 143         case CONNMAN_DEVICE_TYPE_WIMAX:
 144                 return "WiMAX";
 145         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 146                 return "Bluetooth";
 147         case CONNMAN_DEVICE_TYPE_GPS:
 148                 return "GPS";
 149         case CONNMAN_DEVICE_TYPE_CELLULAR:
 150                 return "Cellular";
 151         case CONNMAN_DEVICE_TYPE_GADGET:
 152                 return "Gadget";
 153
 154         }
 155
 156         return NULL;
 157 }
 158
 159 static const char *type2string(enum connman_device_type type)
 160 {
 161         switch (type) {
 162         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 163         case CONNMAN_DEVICE_TYPE_VENDOR:
 164                 break;
 165         case CONNMAN_DEVICE_TYPE_ETHERNET:
 166                 return "ethernet";
 167         case CONNMAN_DEVICE_TYPE_WIFI:
 168                 return "wifi";
 169         case CONNMAN_DEVICE_TYPE_WIMAX:
 170                 return "wimax";
 171         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 172                 return "bluetooth";
 173         case CONNMAN_DEVICE_TYPE_GPS:
 174                 return "gps";
 175         case CONNMAN_DEVICE_TYPE_CELLULAR:
 176                 return "cellular";
 177         case CONNMAN_DEVICE_TYPE_GADGET:
 178                 return "gadget";
 179
 180         }
 181
 182         return NULL;
 183 }
 184
 185 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 186 {
 187         enum connman_device_type type = connman_device_get_type(device);
 188
 189         switch (type) {
 190         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 191         case CONNMAN_DEVICE_TYPE_VENDOR:
 192         case CONNMAN_DEVICE_TYPE_GPS:
 193                 break;
 194         case CONNMAN_DEVICE_TYPE_ETHERNET:
 195                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 196         case CONNMAN_DEVICE_TYPE_WIFI:
 197                 return CONNMAN_SERVICE_TYPE_WIFI;
 198         case CONNMAN_DEVICE_TYPE_WIMAX:
 199                 return CONNMAN_SERVICE_TYPE_WIMAX;
 200         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 201                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 202         case CONNMAN_DEVICE_TYPE_CELLULAR:
 203                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 204         case CONNMAN_DEVICE_TYPE_GADGET:
 205                 return CONNMAN_SERVICE_TYPE_GADGET;
 206
 207         }
 208
 209         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 210 }
 211
 212 int __connman_device_enable(struct connman_device *device)
 213 {
 214         int err;
 215         enum connman_service_type type;
 216
 217         DBG("device %p %d", device, device->blocked);
 218
 219         if (!device->driver || !device->driver->enable)
 220                 return -EOPNOTSUPP;
 221
 222         if (device->powered_pending == TRUE)
 223                 return -EALREADY;
 224
 225         if (device->blocked == TRUE)
 226                 return -ENOLINK;
 227
 228         connman_device_set_disconnected(device, FALSE);
 229         device->scanning = FALSE;
 230
 231         err = device->driver->enable(device);
 232         if (err < 0 && err != -EALREADY) {
 233                 if (err == -EINPROGRESS) {
 234                         device->powered_pending = TRUE;
 235                         device->offlinemode = FALSE;
 236                         if (__connman_profile_get_offlinemode() == TRUE)
 237                                 __connman_profile_set_offlinemode(FALSE, FALSE);
 238                 }
 239                 return err;
 240         }
 241
 242         device->powered_pending = TRUE;
 243         device->powered = TRUE;
 244         device->offlinemode = FALSE;
 245         if (__connman_profile_get_offlinemode() == TRUE)
 246                 __connman_profile_set_offlinemode(FALSE, FALSE);
 247
 248         type = __connman_device_get_service_type(device);
 249         __connman_technology_enabled(type);
 250
 251         return 0;
 252 }
 253
 254 int __connman_device_disable(struct connman_device *device)
 255 {
 256         int err;
 257         enum connman_service_type type;
 258
 259         DBG("device %p", device);
 260
 261         if (!device->driver || !device->driver->disable)
 262                 return -EOPNOTSUPP;
 263
 264         if (device->powered == FALSE)
 265                 return -ENOLINK;
 266
 267         if (device->powered_pending == FALSE)
 268                 return -EALREADY;
 269
 270         device->reconnect = FALSE;
 271
 272         clear_scan_trigger(device);
 273
 274         err = device->driver->disable(device);
 275         if (err < 0 && err != -EALREADY) {
 276                 if (err == -EINPROGRESS)
 277                         device->powered_pending = FALSE;
 278                 return err;
 279         }
 280
 281         g_hash_table_remove_all(device->networks);
 282
 283         device->connections = 0;
 284
 285         device->powered_pending = FALSE;
 286         device->powered = FALSE;
 287
 288         type = __connman_device_get_service_type(device);
 289         __connman_technology_disabled(type);
 290
 291         return 0;
 292 }
 293
 294 static int set_powered(struct connman_device *device, connman_bool_t powered)
 295 {
 296         DBG("device %p powered %d", device, powered);
 297
 298         if (powered == TRUE)
 299                 return __connman_device_enable(device);
 300         else
 301                 return __connman_device_disable(device);
 302 }
 303
 304 static int setup_device(struct connman_device *device)
 305 {
 306         DBG("device %p", device);
 307
 308         __connman_technology_add_device(device);
 309
 310         if (device->offlinemode == FALSE &&
 311                                 device->powered_persistent == TRUE)
 312                 __connman_device_enable(device);
 313
 314         return 0;
 315 }
 316
 317 static void probe_driver(struct connman_device_driver *driver)
 318 {
 319         GSList *list;
 320
 321         DBG("driver %p name %s", driver, driver->name);
 322
 323         for (list = device_list; list != NULL; list = list->next) {
 324                 struct connman_device *device = list->data;
 325
 326                 if (device->driver != NULL)
 327                         continue;
 328
 329                 if (driver->type != device->type)
 330                         continue;
 331
 332                 if (driver->probe(device) < 0)
 333                         continue;
 334
 335                 device->driver = driver;
 336
 337                 setup_device(device);
 338         }
 339 }
 340
 341 static void remove_device(struct connman_device *device)
 342 {
 343         DBG("device %p", device);
 344
 345         __connman_device_disable(device);
 346
 347         __connman_technology_remove_device(device);
 348
 349         if (device->driver->remove)
 350                 device->driver->remove(device);
 351
 352         device->driver = NULL;
 353 }
 354
 355 static void remove_driver(struct connman_device_driver *driver)
 356 {
 357         GSList *list;
 358
 359         DBG("driver %p name %s", driver, driver->name);
 360
 361         for (list = device_list; list != NULL; list = list->next) {
 362                 struct connman_device *device = list->data;
 363
 364                 if (device->driver == driver)
 365                         remove_device(device);
 366         }
 367 }
 368
 369 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 370 {
 371         if (device == NULL || device->driver == NULL)
 372                 return FALSE;
 373
 374         return TRUE;
 375 }
 376
 377 static GSList *driver_list = NULL;
 378
 379 static gint compare_priority(gconstpointer a, gconstpointer b)
 380 {
 381         const struct connman_device_driver *driver1 = a;
 382         const struct connman_device_driver *driver2 = b;
 383
 384         return driver2->priority - driver1->priority;
 385 }
 386
 387 /**
 388  * connman_device_driver_register:
 389  * @driver: device driver definition
 390  *
 391  * Register a new device driver
 392  *
 393  * Returns: %0 on success
 394  */
 395 int connman_device_driver_register(struct connman_device_driver *driver)
 396 {
 397         DBG("driver %p name %s", driver, driver->name);
 398
 399         driver_list = g_slist_insert_sorted(driver_list, driver,
 400                                                         compare_priority);
 401         probe_driver(driver);
 402
 403         return 0;
 404 }
 405
 406 /**
 407  * connman_device_driver_unregister:
 408  * @driver: device driver definition
 409  *
 410  * Remove a previously registered device driver
 411  */
 412 void connman_device_driver_unregister(struct connman_device_driver *driver)
 413 {
 414         DBG("driver %p name %s", driver, driver->name);
 415
 416         driver_list = g_slist_remove(driver_list, driver);
 417
 418         remove_driver(driver);
 419 }
 420
 421 static void free_network(gpointer data)
 422 {
 423         struct connman_network *network = data;
 424
 425         DBG("network %p", network);
 426
 427         __connman_network_set_device(network, NULL);
 428
 429         connman_network_unref(network);
 430 }
 431
 432 static void device_destruct(struct connman_device *device)
 433 {
 434         DBG("device %p name %s", device, device->name);
 435
 436         clear_scan_trigger(device);
 437
 438         g_free(device->ident);
 439         g_free(device->node);
 440         g_free(device->name);
 441         g_free(device->address);
 442         g_free(device->interface);
 443         g_free(device->path);
 444         g_free(device->devname);
 445
 446         g_free(device->last_network);
 447
 448         g_hash_table_destroy(device->networks);
 449         device->networks = NULL;
 450
 451         g_free(device);
 452 }
 453
 454 /**
 455  * connman_device_create:
 456  * @node: device node name (for example an address)
 457  * @type: device type
 458  *
 459  * Allocate a new device of given #type and assign the #node name to it.
 460  *
 461  * Returns: a newly-allocated #connman_device structure
 462  */
 463 struct connman_device *connman_device_create(const char *node,
 464                                                 enum connman_device_type type)
 465 {
 466         struct connman_device *device;
 467         enum connman_service_type service_type;
 468         connman_bool_t bg_scan;
 469
 470         DBG("node %s type %d", node, type);
 471
 472         device = g_try_new0(struct connman_device, 1);
 473         if (device == NULL)
 474                 return NULL;
 475
 476         DBG("device %p", device);
 477
 478         device->refcount = 1;
 479
 480         bg_scan = connman_setting_get_bool("BackgroundScanning");
 481
 482         device->type = type;
 483         device->name = g_strdup(type2description(device->type));
 484
 485         device->powered_persistent = TRUE;
 486
 487         device->phyindex = -1;
 488
 489         service_type = __connman_device_get_service_type(device);
 490         device->blocked = __connman_technology_get_blocked(service_type);
 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         int err;
 660         enum connman_service_type type;
 661
 662         DBG("driver %p powered %d", device, powered);
 663
 664         if (device->powered == powered) {
 665                 device->powered_pending = powered;
 666                 return -EALREADY;
 667         }
 668
 669         if (powered == TRUE)
 670                 err = __connman_device_enable(device);
 671         else
 672                 err = __connman_device_disable(device);
 673
 674         if (err < 0 && err != -EINPROGRESS && err != -EALREADY)
 675                 return err;
 676
 677         device->powered = powered;
 678         device->powered_pending = powered;
 679
 680         type = __connman_device_get_service_type(device);
 681
 682         if (device->powered == TRUE)
 683                 __connman_technology_enabled(type);
 684         else
 685                 __connman_technology_disabled(type);
 686
 687         if (device->offlinemode == TRUE && powered == TRUE)
 688                 return connman_device_set_powered(device, FALSE);
 689
 690         if (powered == FALSE)
 691                 return 0;
 692
 693         reset_scan_trigger(device);
 694
 695         if (device->driver && device->driver->scan)
 696                 device->driver->scan(device);
 697
 698         return 0;
 699 }
 700
 701 int __connman_device_set_blocked(struct connman_device *device,
 702                                                 connman_bool_t blocked)
 703 {
 704         connman_bool_t powered;
 705
 706         DBG("device %p blocked %d", device, blocked);
 707
 708         device->blocked = blocked;
 709
 710         if (device->offlinemode == TRUE)
 711                 return 0;
 712
 713         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
 714
 715         if (blocked == FALSE)
 716                 powered = device->powered_persistent;
 717         else
 718                 powered = FALSE;
 719
 720         return set_powered(device, powered);
 721 }
 722
 723 connman_bool_t __connman_device_get_blocked(struct connman_device *device)
 724 {
 725         return device->blocked;
 726 }
 727
 728 static int device_scan(struct connman_device *device)
 729 {
 730         if (!device->driver || !device->driver->scan)
 731                 return -EOPNOTSUPP;
 732
 733         if (device->powered == FALSE)
 734                 return -ENOLINK;
 735
 736         reset_scan_trigger(device);
 737
 738         return device->driver->scan(device);
 739 }
 740
 741 int __connman_device_enable_persistent(struct connman_device *device)
 742 {
 743         DBG("device %p", device);
 744
 745         device->powered_persistent = TRUE;
 746
 747         __connman_storage_save_device(device);
 748
 749         return __connman_device_enable(device);
 750 }
 751
 752 int __connman_device_disable_persistent(struct connman_device *device)
 753 {
 754         DBG("device %p", device);
 755
 756         device->powered_persistent = FALSE;
 757
 758         __connman_storage_save_device(device);
 759
 760         return __connman_device_disable(device);
 761 }
 762
 763 int __connman_device_disconnect(struct connman_device *device)
 764 {
 765         GHashTableIter iter;
 766         gpointer key, value;
 767
 768         DBG("device %p", device);
 769
 770         connman_device_set_disconnected(device, TRUE);
 771
 772         g_hash_table_iter_init(&iter, device->networks);
 773
 774         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 775                 struct connman_network *network = value;
 776
 777                 if (connman_network_get_connecting(network) == TRUE) {
 778                         /*
 779                          * Skip network in the process of connecting.
 780                          * This is a workaround for WiFi networks serviced
 781                          * by the supplicant plugin that hold a reference
 782                          * to the network.  If we disconnect the network
 783                          * here then the referenced object will not be
 784                          * registered and usage (like launching DHCP client)
 785                          * will fail.  There is nothing to be gained by
 786                          * removing the network here anyway.
 787                          */
 788                         connman_warn("Skipping disconnect of %s, network is connecting.",
 789                                 connman_network_get_identifier(network));
 790                         continue;
 791                 }
 792
 793                 __connman_network_disconnect(network);
 794         }
 795
 796         return 0;
 797 }
 798
 799 static void mark_network_available(gpointer key, gpointer value,
 800                                                         gpointer user_data)
 801 {
 802         struct connman_network *network = value;
 803
 804         connman_network_set_available(network, TRUE);
 805 }
 806
 807 static void mark_network_unavailable(gpointer key, gpointer value,
 808                                                         gpointer user_data)
 809 {
 810         struct connman_network *network = value;
 811
 812         if (connman_network_get_connected(network) == TRUE)
 813                 return;
 814
 815         connman_network_set_available(network, FALSE);
 816 }
 817
 818 static gboolean remove_unavailable_network(gpointer key, gpointer value,
 819                                                         gpointer user_data)
 820 {
 821         struct connman_network *network = value;
 822
 823         if (connman_network_get_connected(network) == TRUE)
 824                 return FALSE;
 825
 826         if (connman_network_get_available(network) == TRUE)
 827                 return FALSE;
 828
 829         return TRUE;
 830 }
 831
 832 void __connman_device_cleanup_networks(struct connman_device *device)
 833 {
 834         g_hash_table_foreach_remove(device->networks,
 835                                         remove_unavailable_network, NULL);
 836 }
 837
 838 connman_bool_t __connman_device_scanning(struct connman_device *device)
 839 {
 840         return device->scanning;
 841 }
 842
 843 void connman_device_reset_scanning(struct connman_device *device)
 844 {
 845         device->scanning = FALSE;
 846
 847         g_hash_table_foreach(device->networks,
 848                                 mark_network_available, NULL);
 849
 850 }
 851
 852 /**
 853  * connman_device_set_scanning:
 854  * @device: device structure
 855  * @scanning: scanning state
 856  *
 857  * Change scanning state of device
 858  */
 859 int connman_device_set_scanning(struct connman_device *device,
 860                                                 connman_bool_t scanning)
 861 {
 862         DBG("device %p scanning %d", device, scanning);
 863
 864         if (!device->driver || !device->driver->scan)
 865                 return -EINVAL;
 866
 867         if (device->scanning == scanning)
 868                 return -EALREADY;
 869
 870         device->scanning = scanning;
 871
 872         if (scanning == TRUE) {
 873                 reset_scan_trigger(device);
 874
 875                 g_hash_table_foreach(device->networks,
 876                                         mark_network_unavailable, NULL);
 877
 878                 return 0;
 879         }
 880
 881         __connman_device_cleanup_networks(device);
 882
 883         if (device->connections > 0)
 884                 return 0;
 885
 886         __connman_service_auto_connect();
 887
 888         return 0;
 889 }
 890
 891 /**
 892  * connman_device_set_disconnected:
 893  * @device: device structure
 894  * @disconnected: disconnected state
 895  *
 896  * Change disconnected state of device (only for device with networks)
 897  */
 898 int connman_device_set_disconnected(struct connman_device *device,
 899                                                 connman_bool_t disconnected)
 900 {
 901         DBG("device %p disconnected %d", device, disconnected);
 902
 903         if (device->disconnected == disconnected)
 904                 return -EALREADY;
 905
 906         device->disconnected = disconnected;
 907
 908         if (disconnected == TRUE)
 909                 force_scan_trigger(device);
 910
 911         return 0;
 912 }
 913
 914 /**
 915  * connman_device_get_disconnected:
 916  * @device: device structure
 917  *
 918  * Get device disconnected state
 919  */
 920 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
 921 {
 922         return device->disconnected;
 923 }
 924
 925 /**
 926  * connman_device_set_string:
 927  * @device: device structure
 928  * @key: unique identifier
 929  * @value: string value
 930  *
 931  * Set string value for specific key
 932  */
 933 int connman_device_set_string(struct connman_device *device,
 934                                         const char *key, const char *value)
 935 {
 936         DBG("device %p key %s value %s", device, key, value);
 937
 938         if (g_str_equal(key, "Address") == TRUE) {
 939                 g_free(device->address);
 940                 device->address = g_strdup(value);
 941         } else if (g_str_equal(key, "Name") == TRUE) {
 942                 g_free(device->name);
 943                 device->name = g_strdup(value);
 944         } else if (g_str_equal(key, "Node") == TRUE) {
 945                 g_free(device->node);
 946                 device->node = g_strdup(value);
 947         } else if (g_str_equal(key, "Path") == TRUE) {
 948                 g_free(device->path);
 949                 device->path = g_strdup(value);
 950         } else {
 951                 return -EINVAL;
 952         }
 953
 954         return 0;
 955 }
 956
 957 /**
 958  * connman_device_get_string:
 959  * @device: device structure
 960  * @key: unique identifier
 961  *
 962  * Get string value for specific key
 963  */
 964 const char *connman_device_get_string(struct connman_device *device,
 965                                                         const char *key)
 966 {
 967         DBG("device %p key %s", device, key);
 968
 969         if (g_str_equal(key, "Address") == TRUE)
 970                 return device->address;
 971         else if (g_str_equal(key, "Name") == TRUE)
 972                 return device->name;
 973         else if (g_str_equal(key, "Node") == TRUE)
 974                 return device->node;
 975         else if (g_str_equal(key, "Interface") == TRUE)
 976                 return device->interface;
 977         else if (g_str_equal(key, "Path") == TRUE)
 978                 return device->path;
 979
 980         return NULL;
 981 }
 982
 983 static void set_offlinemode(struct connman_device *device,
 984                                 connman_bool_t offlinemode)
 985 {
 986         connman_bool_t powered;
 987
 988         DBG("device %p name %s", device, device->name);
 989
 990         if (device == NULL)
 991                 return;
 992
 993         device->offlinemode = offlinemode;
 994
 995         if (device->blocked == TRUE)
 996                 return;
 997
 998         powered = (offlinemode == TRUE) ? FALSE : TRUE;
 999
1000         if (device->powered == powered)
1001                 return;
1002
1003         if (device->powered_persistent == FALSE)
1004                 powered = FALSE;
1005
1006         set_powered(device, powered);
1007 }
1008
1009 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1010 {
1011         GSList *list;
1012
1013         DBG("offlinmode %d", offlinemode);
1014
1015         for (list = device_list; list != NULL; list = list->next) {
1016                 struct connman_device *device = list->data;
1017
1018                 set_offlinemode(device, offlinemode);
1019         }
1020
1021         __connman_notifier_offlinemode(offlinemode);
1022
1023         return 0;
1024 }
1025
1026 void __connman_device_increase_connections(struct connman_device *device)
1027 {
1028         if (device == NULL)
1029                 return;
1030
1031         device->connections++;
1032 }
1033
1034 void __connman_device_decrease_connections(struct connman_device *device)
1035 {
1036         if (device == NULL)
1037                 return;
1038
1039         device->connections--;
1040
1041         if (device->connections == 0)
1042                 device->backoff_interval = SCAN_INITIAL_DELAY;
1043 }
1044
1045 /**
1046  * connman_device_add_network:
1047  * @device: device structure
1048  * @network: network structure
1049  *
1050  * Add new network to the device
1051  */
1052 int connman_device_add_network(struct connman_device *device,
1053                                         struct connman_network *network)
1054 {
1055         const char *identifier = connman_network_get_identifier(network);
1056
1057         DBG("device %p network %p", device, network);
1058
1059         if (identifier == NULL)
1060                 return -EINVAL;
1061
1062         connman_network_ref(network);
1063
1064         __connman_network_set_device(network, device);
1065
1066         g_hash_table_insert(device->networks, g_strdup(identifier),
1067                                                                 network);
1068
1069         return 0;
1070 }
1071
1072 /**
1073  * connman_device_get_network:
1074  * @device: device structure
1075  * @identifier: network identifier
1076  *
1077  * Get network for given identifier
1078  */
1079 struct connman_network *connman_device_get_network(struct connman_device *device,
1080                                                         const char *identifier)
1081 {
1082         DBG("device %p identifier %s", device, identifier);
1083
1084         return g_hash_table_lookup(device->networks, identifier);
1085 }
1086
1087 /**
1088  * connman_device_remove_network:
1089  * @device: device structure
1090  * @identifier: network identifier
1091  *
1092  * Remove network for given identifier
1093  */
1094 int connman_device_remove_network(struct connman_device *device,
1095                                                 struct connman_network *network)
1096 {
1097         const char *identifier;
1098
1099         DBG("device %p network %p", device, network);
1100
1101         if (network == NULL)
1102                 return 0;
1103
1104         identifier = connman_network_get_identifier(network);
1105         g_hash_table_remove(device->networks, identifier);
1106
1107         return 0;
1108 }
1109
1110 void connman_device_remove_all_networks(struct connman_device *device)
1111 {
1112         g_hash_table_remove_all(device->networks);
1113 }
1114
1115 void __connman_device_set_network(struct connman_device *device,
1116                                         struct connman_network *network)
1117 {
1118         const char *name;
1119
1120         if (device == NULL)
1121                 return;
1122
1123         if (device->network == network)
1124                 return;
1125
1126         if (network != NULL) {
1127                 name = connman_network_get_string(network, "Name");
1128                 g_free(device->last_network);
1129                 device->last_network = g_strdup(name);
1130
1131                 device->network = network;
1132         } else {
1133                 g_free(device->last_network);
1134                 device->last_network = NULL;
1135
1136                 device->network = NULL;
1137         }
1138 }
1139
1140 void __connman_device_set_reconnect(struct connman_device *device,
1141                                                 connman_bool_t reconnect)
1142 {
1143         device->reconnect = reconnect;
1144 }
1145
1146 connman_bool_t  __connman_device_get_reconnect(
1147                                 struct connman_device *device)
1148 {
1149         return device->reconnect;
1150 }
1151
1152 static gboolean match_driver(struct connman_device *device,
1153                                         struct connman_device_driver *driver)
1154 {
1155         if (device->type == driver->type ||
1156                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1157                 return TRUE;
1158
1159         return FALSE;
1160 }
1161
1162 static int device_probe(struct connman_device *device)
1163 {
1164         GSList *list;
1165
1166         DBG("device %p name %s", device, device->name);
1167
1168         if (device->driver != NULL)
1169                 return -EALREADY;
1170
1171         for (list = driver_list; list; list = list->next) {
1172                 struct connman_device_driver *driver = list->data;
1173
1174                 if (match_driver(device, driver) == FALSE)
1175                         continue;
1176
1177                 DBG("driver %p name %s", driver, driver->name);
1178
1179                 if (driver->probe(device) == 0) {
1180                         device->driver = driver;
1181                         break;
1182                 }
1183         }
1184
1185         if (device->driver == NULL)
1186                 return 0;
1187
1188         return setup_device(device);
1189 }
1190
1191 static void device_remove(struct connman_device *device)
1192 {
1193         DBG("device %p name %s", device, device->name);
1194
1195         if (device->driver == NULL)
1196                 return;
1197
1198         remove_device(device);
1199 }
1200
1201 /**
1202  * connman_device_register:
1203  * @device: device structure
1204  *
1205  * Register device with the system
1206  */
1207 int connman_device_register(struct connman_device *device)
1208 {
1209         __connman_storage_load_device(device);
1210
1211         device->offlinemode = __connman_profile_get_offlinemode();
1212
1213         return device_probe(device);
1214 }
1215
1216 /**
1217  * connman_device_unregister:
1218  * @device: device structure
1219  *
1220  * Unregister device with the system
1221  */
1222 void connman_device_unregister(struct connman_device *device)
1223 {
1224         __connman_storage_save_device(device);
1225
1226         device_remove(device);
1227 }
1228
1229 /**
1230  * connman_device_get_data:
1231  * @device: device structure
1232  *
1233  * Get private device data pointer
1234  */
1235 void *connman_device_get_data(struct connman_device *device)
1236 {
1237         return device->driver_data;
1238 }
1239
1240 /**
1241  * connman_device_set_data:
1242  * @device: device structure
1243  * @data: data pointer
1244  *
1245  * Set private device data pointer
1246  */
1247 void connman_device_set_data(struct connman_device *device, void *data)
1248 {
1249         device->driver_data = data;
1250 }
1251
1252 struct connman_device *__connman_device_find_device(
1253                                 enum connman_service_type type)
1254 {
1255         GSList *list;
1256
1257         for (list = device_list; list != NULL; list = list->next) {
1258                 struct connman_device *device = list->data;
1259                 enum connman_service_type service_type =
1260                         __connman_device_get_service_type(device);
1261
1262                 if (service_type != type)
1263                         continue;
1264
1265                 return device;
1266         }
1267
1268         return NULL;
1269 }
1270
1271 int __connman_device_request_scan(enum connman_service_type type)
1272 {
1273         GSList *list;
1274         int err;
1275
1276         switch (type) {
1277         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1278         case CONNMAN_SERVICE_TYPE_SYSTEM:
1279         case CONNMAN_SERVICE_TYPE_ETHERNET:
1280         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1281         case CONNMAN_SERVICE_TYPE_CELLULAR:
1282         case CONNMAN_SERVICE_TYPE_GPS:
1283         case CONNMAN_SERVICE_TYPE_VPN:
1284         case CONNMAN_SERVICE_TYPE_GADGET:
1285                 return 0;
1286         case CONNMAN_SERVICE_TYPE_WIFI:
1287         case CONNMAN_SERVICE_TYPE_WIMAX:
1288                 break;
1289         }
1290
1291         for (list = device_list; list != NULL; list = list->next) {
1292                 struct connman_device *device = list->data;
1293                 enum connman_service_type service_type =
1294                         __connman_device_get_service_type(device);
1295
1296                 if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
1297                                 service_type != type) {
1298                         continue;
1299                 }
1300
1301                 err = device_scan(device);
1302                 if (err < 0 && err != -EINPROGRESS) {
1303                         DBG("err %d", err);
1304                         /* XXX maybe only a continue? */
1305                         return err;
1306                 }
1307         }
1308
1309         return 0;
1310 }
1311
1312 connman_bool_t __connman_device_isfiltered(const char *devname)
1313 {
1314         char **pattern;
1315
1316         if (device_filter == NULL)
1317                 goto nodevice;
1318
1319         for (pattern = device_filter; *pattern; pattern++) {
1320                 if (g_pattern_match_simple(*pattern, devname) == FALSE) {
1321                         DBG("ignoring device %s (match)", devname);
1322                         return TRUE;
1323                 }
1324         }
1325
1326 nodevice:
1327         if (g_pattern_match_simple("dummy*", devname) == TRUE) {
1328                 DBG("ignoring dummy networking devices");
1329                 return TRUE;
1330         }
1331
1332         if (nodevice_filter == NULL)
1333                 return FALSE;
1334
1335         for (pattern = nodevice_filter; *pattern; pattern++) {
1336                 if (g_pattern_match_simple(*pattern, devname) == TRUE) {
1337                         DBG("ignoring device %s (no match)", devname);
1338                         return TRUE;
1339                 }
1340         }
1341
1342         return FALSE;
1343 }
1344
1345 static int device_load(struct connman_device *device)
1346 {
1347         const char *ident = __connman_profile_active_ident();
1348         GKeyFile *keyfile;
1349         GError *error = NULL;
1350         gchar *identifier;
1351         connman_bool_t powered;
1352
1353         DBG("device %p", device);
1354
1355         keyfile = __connman_storage_open_profile(ident);
1356         if (keyfile == NULL)
1357                 return 0;
1358
1359         identifier = g_strdup_printf("device_%s", device->name);
1360         if (identifier == NULL)
1361                 goto done;
1362
1363         powered = g_key_file_get_boolean(keyfile, identifier,
1364                                                 "Powered", &error);
1365         if (error == NULL)
1366                 device->powered_persistent = powered;
1367         g_clear_error(&error);
1368
1369 done:
1370         g_free(identifier);
1371
1372         __connman_storage_close_profile(ident, keyfile, FALSE);
1373
1374         return 0;
1375 }
1376
1377 static int device_save(struct connman_device *device)
1378 {
1379         const char *ident = __connman_profile_active_ident();
1380         GKeyFile *keyfile;
1381         gchar *identifier;
1382
1383         DBG("device %p", device);
1384
1385         keyfile = __connman_storage_open_profile(ident);
1386         if (keyfile == NULL)
1387                 return 0;
1388
1389         identifier = g_strdup_printf("device_%s", device->name);
1390         if (identifier == NULL)
1391                 goto done;
1392
1393         g_key_file_set_boolean(keyfile, identifier,
1394                                         "Powered", device->powered_persistent);
1395
1396 done:
1397         g_free(identifier);
1398
1399         __connman_storage_close_profile(ident, keyfile, TRUE);
1400
1401         return 0;
1402 }
1403
1404 static struct connman_storage device_storage = {
1405         .name           = "device",
1406         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1407         .device_load    = device_load,
1408         .device_save    = device_save,
1409 };
1410
1411 int __connman_device_init(const char *device, const char *nodevice)
1412 {
1413         DBG("");
1414
1415         if (device != NULL)
1416                 device_filter = g_strsplit(device, ",", -1);
1417
1418         if (nodevice != NULL)
1419                 nodevice_filter = g_strsplit(nodevice, ",", -1);
1420
1421         return connman_storage_register(&device_storage);
1422 }
1423
1424 void __connman_device_cleanup(void)
1425 {
1426         DBG("");
1427
1428         g_strfreev(nodevice_filter);
1429         g_strfreev(device_filter);
1430
1431         connman_storage_unregister(&device_storage);
1432 }