src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t offlinemode;
  41         connman_bool_t blocked;
  42         connman_bool_t powered;
  43         connman_bool_t powered_pending;
  44         connman_bool_t powered_persistent;
  45         connman_bool_t carrier;
  46         connman_bool_t scanning;
  47         connman_bool_t disconnected;
  48         connman_uint16_t scan_interval;
  49         char *name;
  50         char *node;
  51         char *address;
  52         char *interface;
  53         char *control;
  54         char *ident;
  55         int phyindex;
  56         unsigned int connections;
  57         guint scan_timeout;
  58         struct connman_ipconfig *ipconfig;
  59
  60         struct connman_device_driver *driver;
  61         void *driver_data;
  62
  63         connman_bool_t registered;
  64
  65         char *last_network;
  66         struct connman_network *network;
  67         GHashTable *networks;
  68
  69         DBusMessage *pending;
  70         guint timeout;
  71 };
  72
  73 static gboolean device_scan_trigger(gpointer user_data)
  74 {
  75         struct connman_device *device = user_data;
  76
  77         DBG("device %p", device);
  78
  79         if (device->driver == NULL) {
  80                 device->scan_timeout = 0;
  81                 return FALSE;
  82         }
  83
  84         if (device->driver->scan)
  85                 device->driver->scan(device);
  86
  87         return TRUE;
  88 }
  89
  90 static void clear_scan_trigger(struct connman_device *device)
  91 {
  92         if (device->scan_timeout > 0) {
  93                 g_source_remove(device->scan_timeout);
  94                 device->scan_timeout = 0;
  95         }
  96 }
  97
  98 static void reset_scan_trigger(struct connman_device *device)
  99 {
 100         clear_scan_trigger(device);
 101
 102         if (device->scan_interval > 0) {
 103                 guint interval = device->scan_interval;
 104                 device->scan_timeout = g_timeout_add_seconds(interval,
 105                                         device_scan_trigger, device);
 106         }
 107 }
 108
 109 static const char *type2description(enum connman_device_type type)
 110 {
 111         switch (type) {
 112         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 113         case CONNMAN_DEVICE_TYPE_VENDOR:
 114                 break;
 115         case CONNMAN_DEVICE_TYPE_ETHERNET:
 116                 return "Ethernet";
 117         case CONNMAN_DEVICE_TYPE_WIFI:
 118                 return "Wireless";
 119         case CONNMAN_DEVICE_TYPE_WIMAX:
 120                 return "WiMAX";
 121         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 122                 return "Bluetooth";
 123         case CONNMAN_DEVICE_TYPE_GPS:
 124                 return "GPS";
 125         case CONNMAN_DEVICE_TYPE_MBM:
 126         case CONNMAN_DEVICE_TYPE_HSO:
 127         case CONNMAN_DEVICE_TYPE_NOZOMI:
 128         case CONNMAN_DEVICE_TYPE_HUAWEI:
 129         case CONNMAN_DEVICE_TYPE_NOVATEL:
 130                 return "Cellular";
 131         }
 132
 133         return NULL;
 134 }
 135
 136 static const char *type2string(enum connman_device_type type)
 137 {
 138         switch (type) {
 139         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 140         case CONNMAN_DEVICE_TYPE_VENDOR:
 141                 break;
 142         case CONNMAN_DEVICE_TYPE_ETHERNET:
 143                 return "ethernet";
 144         case CONNMAN_DEVICE_TYPE_WIFI:
 145                 return "wifi";
 146         case CONNMAN_DEVICE_TYPE_WIMAX:
 147                 return "wimax";
 148         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 149                 return "bluetooth";
 150         case CONNMAN_DEVICE_TYPE_GPS:
 151                 return "gps";
 152         case CONNMAN_DEVICE_TYPE_MBM:
 153         case CONNMAN_DEVICE_TYPE_HSO:
 154         case CONNMAN_DEVICE_TYPE_HUAWEI:
 155         case CONNMAN_DEVICE_TYPE_NOZOMI:
 156         case CONNMAN_DEVICE_TYPE_NOVATEL:
 157                 return "cellular";
 158         }
 159
 160         return NULL;
 161 }
 162
 163 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 164 {
 165         enum connman_device_type type = connman_device_get_type(device);
 166
 167         switch (type) {
 168         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 169         case CONNMAN_DEVICE_TYPE_VENDOR:
 170         case CONNMAN_DEVICE_TYPE_GPS:
 171         case CONNMAN_DEVICE_TYPE_NOZOMI:
 172         case CONNMAN_DEVICE_TYPE_HUAWEI:
 173         case CONNMAN_DEVICE_TYPE_NOVATEL:
 174                 break;
 175         case CONNMAN_DEVICE_TYPE_ETHERNET:
 176                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 177         case CONNMAN_DEVICE_TYPE_WIFI:
 178                 return CONNMAN_SERVICE_TYPE_WIFI;
 179         case CONNMAN_DEVICE_TYPE_WIMAX:
 180                 return CONNMAN_SERVICE_TYPE_WIMAX;
 181         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 182                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 183         case CONNMAN_DEVICE_TYPE_MBM:
 184         case CONNMAN_DEVICE_TYPE_HSO:
 185                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 186         }
 187
 188         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 189 }
 190
 191 static int set_connected(struct connman_device *device,
 192                                                 connman_bool_t connected)
 193 {
 194         if (connected == TRUE) {
 195                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 196                 struct connman_element *element;
 197
 198                 device->disconnected = TRUE;
 199
 200                 switch (device->element.ipv4.method) {
 201                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 202                 case CONNMAN_IPCONFIG_METHOD_OFF:
 203                         return 0;
 204                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 205                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 206                         break;
 207                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 208                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 209                         break;
 210                 }
 211
 212                 element = connman_element_create(NULL);
 213                 if (element != NULL) {
 214                         struct connman_service *service;
 215
 216                         element->type  = type;
 217                         element->index = device->element.index;
 218
 219                         if (connman_element_register(element,
 220                                                         &device->element) < 0)
 221                                 connman_element_unref(element);
 222
 223                         device->disconnected = FALSE;
 224
 225                         service = __connman_service_lookup_from_device(device);
 226                         __connman_service_indicate_state(service,
 227                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 228                 }
 229         } else {
 230                 struct connman_service *service;
 231
 232                 connman_element_unregister_children(&device->element);
 233
 234                 device->disconnected = TRUE;
 235
 236                 service = __connman_service_lookup_from_device(device);
 237                 __connman_service_indicate_state(service,
 238                                         CONNMAN_SERVICE_STATE_IDLE);
 239         }
 240
 241         if (connected == TRUE) {
 242                 enum connman_service_type type;
 243
 244                 type = __connman_device_get_service_type(device);
 245                 __connman_notifier_connect(type);
 246         } else {
 247                 enum connman_service_type type;
 248
 249                 type = __connman_device_get_service_type(device);
 250                 __connman_notifier_disconnect(type);
 251         }
 252
 253         return 0;
 254 }
 255
 256 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 257 {
 258         if (carrier == TRUE)
 259                 __connman_profile_add_device(device);
 260         else
 261                 __connman_profile_remove_device(device);
 262
 263         return set_connected(device, carrier);
 264 }
 265
 266 static int powered_changed(struct connman_device *device)
 267 {
 268         DBusMessage *signal;
 269         DBusMessageIter entry, value;
 270         const char *key = "Powered";
 271
 272         signal = dbus_message_new_signal(device->element.path,
 273                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 274         if (signal == NULL)
 275                 return -ENOMEM;
 276
 277         dbus_message_iter_init_append(signal, &entry);
 278
 279         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 280
 281         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 282                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 283         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 284                                                         &device->powered);
 285         dbus_message_iter_close_container(&entry, &value);
 286
 287         g_dbus_send_message(connection, signal);
 288
 289         return 0;
 290 }
 291
 292 static int set_powered(struct connman_device *device, connman_bool_t powered)
 293 {
 294         struct connman_device_driver *driver = device->driver;
 295         enum connman_service_type type;
 296         int err;
 297
 298         DBG("device %p powered %d", device, powered);
 299
 300         if (device->powered_pending == powered)
 301                 return -EALREADY;
 302
 303         device->powered_pending = powered;
 304
 305         if (!driver)
 306                 return -EINVAL;
 307
 308         type = __connman_device_get_service_type(device);
 309
 310         if (powered == TRUE) {
 311                 if (driver->enable) {
 312                         err = driver->enable(device);
 313                         if (err == 0)
 314                                 __connman_notifier_enable(type);
 315                 } else
 316                         err = -EINVAL;
 317         } else {
 318                 clear_scan_trigger(device);
 319
 320                 g_hash_table_remove_all(device->networks);
 321
 322                 set_carrier(device, FALSE);
 323
 324                 if (driver->disable) {
 325                         err = driver->disable(device);
 326                         if (err == 0)
 327                                 __connman_notifier_disable(type);
 328                 } else
 329                         err = -EINVAL;
 330         }
 331
 332         if (err == 0) {
 333                 device->powered = powered;
 334
 335                 if (device->registered == TRUE)
 336                         powered_changed(device);
 337         }
 338
 339         return err;
 340 }
 341
 342 static void append_path(gpointer key, gpointer value, gpointer user_data)
 343 {
 344         struct connman_element *element = value;
 345         DBusMessageIter *iter = user_data;
 346
 347         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 348                                                         &element->path);
 349 }
 350
 351 static void append_networks(struct connman_device *device,
 352                                                 DBusMessageIter *entry)
 353 {
 354         DBusMessageIter value, iter;
 355         const char *key = "Networks";
 356
 357         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 358
 359         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 360                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 361                                                                 &value);
 362
 363         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 364                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 365         g_hash_table_foreach(device->networks, append_path, &iter);
 366         dbus_message_iter_close_container(&value, &iter);
 367
 368         dbus_message_iter_close_container(entry, &value);
 369 }
 370
 371 static DBusMessage *get_properties(DBusConnection *conn,
 372                                         DBusMessage *msg, void *data)
 373 {
 374         struct connman_device *device = data;
 375         DBusMessage *reply;
 376         DBusMessageIter array, dict, entry;
 377         const char *str;
 378
 379         DBG("conn %p", conn);
 380
 381         if (__connman_security_check_privilege(msg,
 382                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 383                 return __connman_error_permission_denied(msg);
 384
 385         reply = dbus_message_new_method_return(msg);
 386         if (reply == NULL)
 387                 return NULL;
 388
 389         dbus_message_iter_init_append(reply, &array);
 390
 391         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 392                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 393                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 394                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 395
 396         if (device->name != NULL)
 397                 connman_dbus_dict_append_variant(&dict, "Name",
 398                                         DBUS_TYPE_STRING, &device->name);
 399
 400         str = type2string(device->type);
 401         if (str != NULL)
 402                 connman_dbus_dict_append_variant(&dict, "Type",
 403                                                 DBUS_TYPE_STRING, &str);
 404
 405         if (device->address != NULL)
 406                 connman_dbus_dict_append_variant(&dict, "Address",
 407                                         DBUS_TYPE_STRING, &device->address);
 408
 409         if (device->interface != NULL)
 410                 connman_dbus_dict_append_variant(&dict, "Interface",
 411                                         DBUS_TYPE_STRING, &device->interface);
 412
 413         connman_dbus_dict_append_variant(&dict, "Powered",
 414                                         DBUS_TYPE_BOOLEAN, &device->powered);
 415
 416         if (device->driver && device->driver->scan)
 417                 connman_dbus_dict_append_variant(&dict, "Scanning",
 418                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 419
 420         switch (device->mode) {
 421         case CONNMAN_DEVICE_MODE_UNKNOWN:
 422                 break;
 423         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 424                 __connman_element_append_ipv4(&device->element, &dict);
 425                 break;
 426         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 427         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 428                 if (device->scan_interval > 0)
 429                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 430                                 DBUS_TYPE_UINT16, &device->scan_interval);
 431
 432                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 433                                                                 NULL, &entry);
 434                 append_networks(device, &entry);
 435                 dbus_message_iter_close_container(&dict, &entry);
 436                 break;
 437         }
 438
 439         dbus_message_iter_close_container(&array, &dict);
 440
 441         return reply;
 442 }
 443
 444 static gboolean powered_timeout(gpointer user_data)
 445 {
 446         struct connman_device *device = user_data;
 447
 448         DBG("device %p", device);
 449
 450         device->timeout = 0;
 451
 452         if (device->pending != NULL) {
 453                 DBusMessage *reply;
 454
 455                 reply = __connman_error_operation_timeout(device->pending);
 456                 if (reply != NULL)
 457                         g_dbus_send_message(connection, reply);
 458
 459                 dbus_message_unref(device->pending);
 460                 device->pending = NULL;
 461         }
 462
 463         return FALSE;
 464 }
 465
 466 static DBusMessage *set_property(DBusConnection *conn,
 467                                         DBusMessage *msg, void *data)
 468 {
 469         struct connman_device *device = data;
 470         DBusMessageIter iter, value;
 471         const char *name;
 472         int type;
 473
 474         DBG("conn %p", conn);
 475
 476         if (dbus_message_iter_init(msg, &iter) == FALSE)
 477                 return __connman_error_invalid_arguments(msg);
 478
 479         dbus_message_iter_get_basic(&iter, &name);
 480         dbus_message_iter_next(&iter);
 481         dbus_message_iter_recurse(&iter, &value);
 482
 483         if (__connman_security_check_privilege(msg,
 484                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 485                 return __connman_error_permission_denied(msg);
 486
 487         type = dbus_message_iter_get_arg_type(&value);
 488
 489         if (g_str_equal(name, "Powered") == TRUE) {
 490                 connman_bool_t powered;
 491                 int err;
 492
 493                 if (type != DBUS_TYPE_BOOLEAN)
 494                         return __connman_error_invalid_arguments(msg);
 495
 496                 dbus_message_iter_get_basic(&value, &powered);
 497
 498                 device->powered_persistent = powered;
 499
 500                 __connman_storage_save_device(device);
 501
 502                 if (device->powered == powered)
 503                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 504
 505                 if (device->pending != NULL)
 506                         return __connman_error_in_progress(msg);
 507
 508                 err = set_powered(device, powered);
 509                 if (err < 0) {
 510                         if (err != -EINPROGRESS)
 511                                 return __connman_error_failed(msg, -err);
 512
 513                         device->pending = dbus_message_ref(msg);
 514
 515                         device->timeout = g_timeout_add_seconds(15,
 516                                                 powered_timeout, device);
 517
 518                         return NULL;
 519                 }
 520         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 521                 connman_uint16_t interval;
 522
 523                 switch (device->mode) {
 524                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 525                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 526                         return __connman_error_invalid_arguments(msg);
 527                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 528                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 529                         break;
 530                 }
 531
 532                 if (type != DBUS_TYPE_UINT16)
 533                         return __connman_error_invalid_arguments(msg);
 534
 535                 dbus_message_iter_get_basic(&value, &interval);
 536
 537                 if (device->scan_interval != interval) {
 538                         device->scan_interval = interval;
 539
 540                         __connman_storage_save_device(device);
 541
 542                         reset_scan_trigger(device);
 543                 }
 544         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 545                 int err;
 546
 547                 switch (device->mode) {
 548                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 549                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 550                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 551                         return __connman_error_invalid_arguments(msg);
 552                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 553                         break;
 554                 }
 555
 556                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 557                                                         name + 5, &value);
 558                 if (err < 0)
 559                         return __connman_error_failed(msg, -err);
 560         } else
 561                 return __connman_error_invalid_property(msg);
 562
 563         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 564 }
 565
 566 static DBusMessage *propose_scan(DBusConnection *conn,
 567                                         DBusMessage *msg, void *data)
 568 {
 569         struct connman_device *device = data;
 570         int err;
 571
 572         DBG("conn %p", conn);
 573
 574         switch (device->mode) {
 575         case CONNMAN_DEVICE_MODE_UNKNOWN:
 576         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 577                 return __connman_error_not_supported(msg);
 578         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 579         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 580                 break;
 581         }
 582
 583         err = __connman_device_scan(device);
 584         if (err < 0)
 585                 return __connman_error_failed(msg, -err);
 586
 587         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 588 }
 589
 590 static GDBusMethodTable device_methods[] = {
 591         { "GetProperties", "",      "a{sv}", get_properties },
 592         { "SetProperty",   "sv",    "",      set_property,
 593                                                 G_DBUS_METHOD_FLAG_ASYNC },
 594         { "ProposeScan",   "",      "",      propose_scan   },
 595         { },
 596 };
 597
 598 static GDBusSignalTable device_signals[] = {
 599         { "PropertyChanged", "sv" },
 600         { },
 601 };
 602
 603 static void append_devices(DBusMessageIter *entry)
 604 {
 605         DBusMessageIter value, iter;
 606         const char *key = "Devices";
 607
 608         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 609
 610         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 611                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 612                                                                 &value);
 613
 614         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 615                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 616         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 617         dbus_message_iter_close_container(&value, &iter);
 618
 619         dbus_message_iter_close_container(entry, &value);
 620 }
 621
 622 static void emit_devices_signal(void)
 623 {
 624         DBusMessage *signal;
 625         DBusMessageIter entry;
 626
 627         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 628                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 629         if (signal == NULL)
 630                 return;
 631
 632         dbus_message_iter_init_append(signal, &entry);
 633
 634         append_devices(&entry);
 635
 636         g_dbus_send_message(connection, signal);
 637 }
 638
 639 static int register_interface(struct connman_element *element)
 640 {
 641         struct connman_device *device = element->device;
 642
 643         DBG("element %p name %s", element, element->name);
 644
 645         if (g_dbus_register_interface(connection, element->path,
 646                                         CONNMAN_DEVICE_INTERFACE,
 647                                         device_methods, device_signals,
 648                                         NULL, device, NULL) == FALSE) {
 649                 connman_error("Failed to register %s device", element->path);
 650                 return -EIO;
 651         }
 652
 653         device->registered = TRUE;
 654
 655         emit_devices_signal();
 656
 657         return 0;
 658 }
 659
 660 static void unregister_interface(struct connman_element *element)
 661 {
 662         struct connman_device *device = element->device;
 663
 664         DBG("element %p name %s", element, element->name);
 665
 666         device->registered = FALSE;
 667
 668         emit_devices_signal();
 669
 670         g_dbus_unregister_interface(connection, element->path,
 671                                                 CONNMAN_DEVICE_INTERFACE);
 672 }
 673
 674 static int setup_device(struct connman_device *device)
 675 {
 676         enum connman_service_type type;
 677         int err;
 678
 679         DBG("device %p", device);
 680
 681         err = register_interface(&device->element);
 682         if (err < 0) {
 683                 if (device->driver->remove)
 684                         device->driver->remove(device);
 685                 device->driver = NULL;
 686                 return err;
 687         }
 688
 689         type = __connman_device_get_service_type(device);
 690         __connman_notifier_register(type);
 691
 692         switch (device->mode) {
 693         case CONNMAN_DEVICE_MODE_UNKNOWN:
 694         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 695         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 696                 break;
 697         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 698                 if (device->carrier == TRUE && device->secondary == FALSE)
 699                         __connman_profile_add_device(device);
 700                 break;
 701         }
 702
 703         if (device->offlinemode == FALSE &&
 704                                 device->powered_persistent == TRUE)
 705                 __connman_device_enable(device);
 706
 707         return 0;
 708 }
 709
 710 static void probe_driver(struct connman_element *element, gpointer user_data)
 711 {
 712         struct connman_device_driver *driver = user_data;
 713
 714         DBG("element %p name %s", element, element->name);
 715
 716         if (element->device == NULL)
 717                 return;
 718
 719         if (element->device->driver != NULL)
 720                 return;
 721
 722         if (driver->type != element->device->type)
 723                 return;
 724
 725         if (driver->probe(element->device) < 0)
 726                 return;
 727
 728         element->device->driver = driver;
 729
 730         setup_device(element->device);
 731 }
 732
 733 static void remove_device(struct connman_device *device)
 734 {
 735         enum connman_service_type type;
 736
 737         DBG("device %p", device);
 738
 739         __connman_device_disable(device);
 740
 741         switch (device->mode) {
 742         case CONNMAN_DEVICE_MODE_UNKNOWN:
 743         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 744         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 745                 break;
 746         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 747                 if (device->secondary == FALSE)
 748                         __connman_profile_remove_device(device);
 749                 break;
 750         }
 751
 752         type = __connman_device_get_service_type(device);
 753         __connman_notifier_unregister(type);
 754
 755         unregister_interface(&device->element);
 756
 757         if (device->driver->remove)
 758                 device->driver->remove(device);
 759
 760         device->driver = NULL;
 761 }
 762
 763 static void remove_driver(struct connman_element *element, gpointer user_data)
 764 {
 765         struct connman_device_driver *driver = user_data;
 766
 767         DBG("element %p name %s", element, element->name);
 768
 769         if (element->device == NULL)
 770                 return;
 771
 772         if (element->device->driver == driver)
 773                 remove_device(element->device);
 774 }
 775
 776 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 777 {
 778         if (device == NULL || device->driver == NULL)
 779                 return FALSE;
 780
 781         return device->registered;
 782 }
 783
 784 static GSList *driver_list = NULL;
 785
 786 static gint compare_priority(gconstpointer a, gconstpointer b)
 787 {
 788         const struct connman_device_driver *driver1 = a;
 789         const struct connman_device_driver *driver2 = b;
 790
 791         return driver2->priority - driver1->priority;
 792 }
 793
 794 /**
 795  * connman_device_driver_register:
 796  * @driver: device driver definition
 797  *
 798  * Register a new device driver
 799  *
 800  * Returns: %0 on success
 801  */
 802 int connman_device_driver_register(struct connman_device_driver *driver)
 803 {
 804         DBG("driver %p name %s", driver, driver->name);
 805
 806         driver_list = g_slist_insert_sorted(driver_list, driver,
 807                                                         compare_priority);
 808
 809         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 810                                                 probe_driver, driver);
 811
 812         return 0;
 813 }
 814
 815 /**
 816  * connman_device_driver_unregister:
 817  * @driver: device driver definition
 818  *
 819  * Remove a previously registered device driver
 820  */
 821 void connman_device_driver_unregister(struct connman_device_driver *driver)
 822 {
 823         DBG("driver %p name %s", driver, driver->name);
 824
 825         driver_list = g_slist_remove(driver_list, driver);
 826
 827         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 828                                                 remove_driver, driver);
 829 }
 830
 831 static void unregister_network(gpointer data)
 832 {
 833         struct connman_network *network = data;
 834
 835         DBG("network %p", network);
 836
 837         connman_element_unregister((struct connman_element *) network);
 838
 839         connman_network_unref(network);
 840 }
 841
 842 static void device_destruct(struct connman_element *element)
 843 {
 844         struct connman_device *device = element->device;
 845
 846         DBG("element %p name %s", element, element->name);
 847
 848         if (device->timeout > 0) {
 849                 g_source_remove(device->timeout);
 850                 device->timeout = 0;
 851         }
 852
 853         if (device->pending != NULL) {
 854                 dbus_message_unref(device->pending);
 855                 device->pending = NULL;
 856         }
 857
 858         g_free(device->ident);
 859         g_free(device->node);
 860         g_free(device->name);
 861         g_free(device->address);
 862         g_free(device->control);
 863         g_free(device->interface);
 864
 865         connman_ipconfig_unref(device->ipconfig);
 866
 867         g_free(device->last_network);
 868
 869         g_hash_table_destroy(device->networks);
 870         device->networks = NULL;
 871 }
 872
 873 /**
 874  * connman_device_create:
 875  * @node: device node name (for example an address)
 876  * @type: device type
 877  *
 878  * Allocate a new device of given #type and assign the #node name to it.
 879  *
 880  * Returns: a newly-allocated #connman_device structure
 881  */
 882 struct connman_device *connman_device_create(const char *node,
 883                                                 enum connman_device_type type)
 884 {
 885         struct connman_device *device;
 886         const char *str;
 887
 888         DBG("node %s type %d", node, type);
 889
 890         device = g_try_new0(struct connman_device, 1);
 891         if (device == NULL)
 892                 return NULL;
 893
 894         DBG("device %p", device);
 895
 896         __connman_element_initialize(&device->element);
 897
 898         device->element.name = g_strdup(node);
 899         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 900
 901         device->element.device = device;
 902         device->element.destruct = device_destruct;
 903
 904         str = type2string(type);
 905         if (str != NULL)
 906                 connman_element_set_string(&device->element,
 907                                         CONNMAN_PROPERTY_ID_TYPE, str);
 908
 909         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 910
 911         device->type      = type;
 912         device->name      = g_strdup(type2description(device->type));
 913         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 914         device->secondary = FALSE;
 915
 916         device->powered_persistent = TRUE;
 917
 918         device->phyindex = -1;
 919
 920         switch (type) {
 921         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 922         case CONNMAN_DEVICE_TYPE_VENDOR:
 923                 device->scan_interval = 0;
 924                 break;
 925         case CONNMAN_DEVICE_TYPE_ETHERNET:
 926         case CONNMAN_DEVICE_TYPE_WIFI:
 927                 device->scan_interval = 300;
 928                 break;
 929         case CONNMAN_DEVICE_TYPE_WIMAX:
 930                 device->scan_interval = 0;
 931                 break;
 932         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 933                 device->scan_interval = 0;
 934                 break;
 935         case CONNMAN_DEVICE_TYPE_GPS:
 936                 device->scan_interval = 0;
 937                 break;
 938         case CONNMAN_DEVICE_TYPE_MBM:
 939         case CONNMAN_DEVICE_TYPE_HSO:
 940         case CONNMAN_DEVICE_TYPE_NOZOMI:
 941         case CONNMAN_DEVICE_TYPE_HUAWEI:
 942         case CONNMAN_DEVICE_TYPE_NOVATEL:
 943                 device->scan_interval = 0;
 944                 break;
 945         }
 946
 947         device->ipconfig = connman_ipconfig_create();
 948         if (device->ipconfig == NULL) {
 949                 connman_device_unref(device);
 950                 return NULL;
 951         }
 952
 953         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 954                                                 g_free, unregister_network);
 955
 956         return device;
 957 }
 958
 959 /**
 960  * connman_device_ref:
 961  * @device: device structure
 962  *
 963  * Increase reference counter of device
 964  */
 965 struct connman_device *connman_device_ref(struct connman_device *device)
 966 {
 967         if (connman_element_ref(&device->element) == NULL)
 968                 return NULL;
 969
 970         return device;
 971 }
 972
 973 /**
 974  * connman_device_unref:
 975  * @device: device structure
 976  *
 977  * Decrease reference counter of device
 978  */
 979 void connman_device_unref(struct connman_device *device)
 980 {
 981         connman_element_unref(&device->element);
 982 }
 983
 984 const char *__connman_device_get_type(struct connman_device *device)
 985 {
 986         return type2string(device->type);
 987 }
 988
 989 /**
 990  * connman_device_get_type:
 991  * @device: device structure
 992  *
 993  * Get type of device
 994  */
 995 enum connman_device_type connman_device_get_type(struct connman_device *device)
 996 {
 997         return device->type;
 998 }
 999
1000 /**
1001  * connman_device_get_name:
1002  * @device: device structure
1003  *
1004  * Get unique name of device
1005  */
1006 const char *connman_device_get_name(struct connman_device *device)
1007 {
1008         return device->element.name;
1009 }
1010
1011 /**
1012  * connman_device_get_path:
1013  * @device: device structure
1014  *
1015  * Get path name of device
1016  */
1017 const char *connman_device_get_path(struct connman_device *device)
1018 {
1019         return device->element.path;
1020 }
1021
1022 /**
1023  * connman_device_set_index:
1024  * @device: device structure
1025  * @index: index number
1026  *
1027  * Set index number of device
1028  */
1029 void connman_device_set_index(struct connman_device *device, int index)
1030 {
1031         device->element.index = index;
1032 }
1033
1034 /**
1035  * connman_device_get_index:
1036  * @device: device structure
1037  *
1038  * Get index number of device
1039  */
1040 int connman_device_get_index(struct connman_device *device)
1041 {
1042         return device->element.index;
1043 }
1044
1045 int __connman_device_get_phyindex(struct connman_device *device)
1046 {
1047         return device->phyindex;
1048 }
1049
1050 void __connman_device_set_phyindex(struct connman_device *device,
1051                                                         int phyindex)
1052 {
1053         device->phyindex = phyindex;
1054 }
1055
1056 /**
1057  * connman_device_set_interface:
1058  * @device: device structure
1059  * @interface: interface name
1060  * @control: control interface
1061  *
1062  * Set interface name of device
1063  */
1064 void connman_device_set_interface(struct connman_device *device,
1065                                 const char *interface, const char *control)
1066 {
1067         g_free(device->element.devname);
1068         device->element.devname = g_strdup(interface);
1069
1070         g_free(device->interface);
1071         device->interface = g_strdup(interface);
1072
1073         g_free(device->control);
1074         device->control = g_strdup(control);
1075
1076         if (device->name == NULL) {
1077                 const char *str = type2description(device->type);
1078                 if (str != NULL && device->interface != NULL)
1079                         device->name = g_strdup_printf("%s (%s)", str,
1080                                                         device->interface);
1081         }
1082 }
1083
1084 const char *connman_device_get_control(struct connman_device *device)
1085 {
1086         return device->control;
1087 }
1088
1089 /**
1090  * connman_device_set_ident:
1091  * @device: device structure
1092  * @ident: unique identifier
1093  *
1094  * Set unique identifier of device
1095  */
1096 void connman_device_set_ident(struct connman_device *device,
1097                                                         const char *ident)
1098 {
1099         g_free(device->ident);
1100         device->ident = g_strdup(ident);
1101 }
1102
1103 const char *__connman_device_get_ident(struct connman_device *device)
1104 {
1105         return device->ident;
1106 }
1107
1108 /**
1109  * connman_device_set_mode:
1110  * @device: device structure
1111  * @mode: network mode
1112  *
1113  * Change network mode of device
1114  */
1115 void connman_device_set_mode(struct connman_device *device,
1116                                                 enum connman_device_mode mode)
1117 {
1118         device->mode = mode;
1119 }
1120
1121 /**
1122  * connman_device_get_mode:
1123  * @device: device structure
1124  *
1125  * Get network mode of device
1126  */
1127 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1128 {
1129         return device->mode;
1130 }
1131
1132 /**
1133  * connman_device_set_secondary:
1134  * @device: device structure
1135  * @secondary: secondary value
1136  *
1137  * Change secondary value of device
1138  */
1139 void connman_device_set_secondary(struct connman_device *device,
1140                                                 connman_bool_t secondary)
1141 {
1142         device->secondary = secondary;
1143 }
1144
1145 /**
1146  * connman_device_get_secondary:
1147  * @device: device structure
1148  *
1149  * Get secondary value of device
1150  */
1151 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1152 {
1153         return device->secondary;
1154 }
1155
1156 /**
1157  * connman_device_set_powered:
1158  * @device: device structure
1159  * @powered: powered state
1160  *
1161  * Change power state of device
1162  */
1163 int connman_device_set_powered(struct connman_device *device,
1164                                                 connman_bool_t powered)
1165 {
1166         enum connman_service_type type;
1167
1168         DBG("driver %p powered %d", device, powered);
1169
1170         if (device->timeout > 0) {
1171                 g_source_remove(device->timeout);
1172                 device->timeout = 0;
1173         }
1174
1175         if (device->pending != NULL) {
1176                 g_dbus_send_reply(connection, device->pending,
1177                                                         DBUS_TYPE_INVALID);
1178
1179                 dbus_message_unref(device->pending);
1180                 device->pending = NULL;
1181         }
1182
1183         if (device->powered == powered)
1184                 return -EALREADY;
1185
1186         device->powered = powered;
1187         device->powered_pending = powered;
1188
1189         type = __connman_device_get_service_type(device);
1190
1191         if (device->powered == TRUE)
1192                 __connman_notifier_enable(type);
1193         else
1194                 __connman_notifier_disable(type);
1195
1196         if (device->registered == FALSE)
1197                 return 0;
1198
1199         powered_changed(device);
1200
1201         if (powered == FALSE)
1202                 return 0;
1203
1204         reset_scan_trigger(device);
1205
1206         if (device->driver->scan)
1207                 device->driver->scan(device);
1208
1209         return 0;
1210 }
1211
1212 int __connman_device_set_blocked(struct connman_device *device,
1213                                                 connman_bool_t blocked)
1214 {
1215         connman_bool_t powered;
1216
1217         DBG("device %p blocked %d", device, blocked);
1218
1219         device->blocked = blocked;
1220
1221         if (device->offlinemode == TRUE)
1222                 return 0;
1223
1224         if (blocked == FALSE)
1225                 powered = device->powered_persistent;
1226         else
1227                 powered = FALSE;
1228
1229         return set_powered(device, powered);
1230 }
1231
1232 /**
1233  * connman_device_set_carrier:
1234  * @device: device structure
1235  * @carrier: carrier state
1236  *
1237  * Change carrier state of device (only for device without scanning)
1238  */
1239 int connman_device_set_carrier(struct connman_device *device,
1240                                                 connman_bool_t carrier)
1241 {
1242         DBG("device %p carrier %d", device, carrier);
1243
1244         switch (device->mode) {
1245         case CONNMAN_DEVICE_MODE_UNKNOWN:
1246         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1247         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1248                 return -EINVAL;
1249         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1250                 break;
1251         }
1252
1253         if (device->carrier == carrier)
1254                 return -EALREADY;
1255
1256         device->carrier = carrier;
1257
1258         return set_carrier(device, device->carrier);
1259 }
1260
1261 int __connman_device_scan(struct connman_device *device)
1262 {
1263         if (!device->driver || !device->driver->scan)
1264                 return -EOPNOTSUPP;
1265
1266         if (device->powered == FALSE)
1267                 return -ENOLINK;
1268
1269         return device->driver->scan(device);
1270 }
1271
1272 int __connman_device_enable(struct connman_device *device)
1273 {
1274         enum connman_service_type type;
1275         int err;
1276
1277         DBG("device %p", device);
1278
1279         if (!device->driver || !device->driver->enable)
1280                 return -EOPNOTSUPP;
1281
1282         if (device->powered_pending == TRUE)
1283                 return -EALREADY;
1284
1285         device->powered_pending = TRUE;
1286
1287         err = device->driver->enable(device);
1288         if (err < 0)
1289                 return err;
1290
1291         device->powered = TRUE;
1292
1293         type = __connman_device_get_service_type(device);
1294         __connman_notifier_enable(type);
1295
1296         return 0;
1297 }
1298
1299 int __connman_device_enable_persistent(struct connman_device *device)
1300 {
1301         DBG("device %p", device);
1302
1303         device->powered_persistent = TRUE;
1304
1305         __connman_storage_save_device(device);
1306
1307         return __connman_device_enable(device);
1308 }
1309
1310 int __connman_device_disable(struct connman_device *device)
1311 {
1312         enum connman_service_type type;
1313         int err;
1314
1315         DBG("device %p", device);
1316
1317         if (!device->driver || !device->driver->disable)
1318                 return -EOPNOTSUPP;
1319
1320         if (device->powered == FALSE)
1321                 return -ENOLINK;
1322
1323         if (device->powered_pending == FALSE)
1324                 return -EALREADY;
1325
1326         device->powered_pending = FALSE;
1327
1328         clear_scan_trigger(device);
1329
1330         g_hash_table_remove_all(device->networks);
1331
1332         err = device->driver->disable(device);
1333         if (err < 0)
1334                 return err;
1335
1336         device->powered = FALSE;
1337
1338         type = __connman_device_get_service_type(device);
1339         __connman_notifier_disable(type);
1340
1341         return 0;
1342 }
1343
1344 int __connman_device_disable_persistent(struct connman_device *device)
1345 {
1346         DBG("device %p", device);
1347
1348         device->powered_persistent = FALSE;
1349
1350         __connman_storage_save_device(device);
1351
1352         return __connman_device_disable(device);
1353 }
1354
1355 int __connman_device_connect(struct connman_device *device)
1356 {
1357         DBG("device %p", device);
1358
1359         if (device->disconnected == FALSE)
1360                 return -EINVAL;
1361
1362         if (device->driver && device->driver->connect)
1363                 device->driver->connect(device);
1364
1365         return 0;
1366 }
1367
1368 int __connman_device_disconnect(struct connman_device *device)
1369 {
1370         GHashTableIter iter;
1371         gpointer key, value;
1372
1373         DBG("device %p", device);
1374
1375         connman_device_set_disconnected(device, TRUE);
1376
1377         g_hash_table_iter_init(&iter, device->networks);
1378
1379         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1380                 struct connman_network *network = value;
1381
1382                 __connman_network_disconnect(network);
1383         }
1384
1385         if (device->driver && device->driver->disconnect)
1386                 device->driver->disconnect(device);
1387
1388         return 0;
1389 }
1390
1391 static void mark_network_unavailable(gpointer key, gpointer value,
1392                                                         gpointer user_data)
1393 {
1394         struct connman_network *network = value;
1395
1396         if (connman_network_get_connected(network) == TRUE)
1397                 return;
1398
1399         connman_network_set_available(network, FALSE);
1400 }
1401
1402 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1403                                                         gpointer user_data)
1404 {
1405         struct connman_network *network = value;
1406
1407         if (connman_network_get_connected(network) == TRUE)
1408                 return FALSE;
1409
1410         if (connman_network_get_available(network) == TRUE)
1411                 return FALSE;
1412
1413         return TRUE;
1414 }
1415
1416 void __connman_device_cleanup_networks(struct connman_device *device)
1417 {
1418         g_hash_table_foreach_remove(device->networks,
1419                                         remove_unavailable_network, NULL);
1420 }
1421
1422 /**
1423  * connman_device_set_scanning:
1424  * @device: device structure
1425  * @scanning: scanning state
1426  *
1427  * Change scanning state of device
1428  */
1429 int connman_device_set_scanning(struct connman_device *device,
1430                                                 connman_bool_t scanning)
1431 {
1432         DBusMessage *signal;
1433         DBusMessageIter entry, value;
1434         const char *key = "Scanning";
1435
1436         DBG("device %p scanning %d", device, scanning);
1437
1438         if (!device->driver || !device->driver->scan)
1439                 return -EINVAL;
1440
1441         if (device->scanning == scanning)
1442                 return -EALREADY;
1443
1444         device->scanning = scanning;
1445
1446         signal = dbus_message_new_signal(device->element.path,
1447                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1448         if (signal == NULL)
1449                 return 0;
1450
1451         dbus_message_iter_init_append(signal, &entry);
1452
1453         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1454
1455         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1456                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1457         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1458         dbus_message_iter_close_container(&entry, &value);
1459
1460         g_dbus_send_message(connection, signal);
1461
1462         if (scanning == TRUE) {
1463                 reset_scan_trigger(device);
1464
1465                 g_hash_table_foreach(device->networks,
1466                                         mark_network_unavailable, NULL);
1467
1468                 return 0;
1469         }
1470
1471         __connman_device_cleanup_networks(device);
1472
1473         if (device->connections > 0)
1474                 return 0;
1475
1476         if (device->disconnected == TRUE)
1477                 return 0;
1478
1479         __connman_service_auto_connect();
1480
1481         return 0;
1482 }
1483
1484 /**
1485  * connman_device_set_disconnected:
1486  * @device: device structure
1487  * @disconnected: disconnected state
1488  *
1489  * Change disconnected state of device (only for device with networks)
1490  */
1491 int connman_device_set_disconnected(struct connman_device *device,
1492                                                 connman_bool_t disconnected)
1493 {
1494         DBG("device %p disconnected %d", device, disconnected);
1495
1496         switch (device->mode) {
1497         case CONNMAN_DEVICE_MODE_UNKNOWN:
1498         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1499                 return -EINVAL;
1500         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1501         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1502                 break;
1503         }
1504
1505         if (device->disconnected == disconnected)
1506                 return -EALREADY;
1507
1508         device->disconnected = disconnected;
1509
1510         return 0;
1511 }
1512
1513 /**
1514  * connman_device_get_disconnected:
1515  * @device: device structure
1516  *
1517  * Get device disconnected state
1518  */
1519 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1520 {
1521         return device->disconnected;
1522 }
1523
1524 /**
1525  * connman_device_set_connected:
1526  * @device: device structure
1527  * @connected: connected state
1528  *
1529  * Change connected state of device (for Ethernet like devices)
1530  */
1531 int connman_device_set_connected(struct connman_device *device,
1532                                                 connman_bool_t connected)
1533 {
1534         DBG("device %p connected %d", device, connected);
1535
1536         switch (device->mode) {
1537         case CONNMAN_DEVICE_MODE_UNKNOWN:
1538         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1539         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1540                 return -EINVAL;
1541         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1542                 break;
1543         }
1544
1545         if (device->carrier == FALSE)
1546                 return -ENOTCONN;
1547
1548         return set_connected(device, connected);
1549 }
1550
1551 /**
1552  * connman_device_set_string:
1553  * @device: device structure
1554  * @key: unique identifier
1555  * @value: string value
1556  *
1557  * Set string value for specific key
1558  */
1559 int connman_device_set_string(struct connman_device *device,
1560                                         const char *key, const char *value)
1561 {
1562         DBG("device %p key %s value %s", device, key, value);
1563
1564         if (g_str_equal(key, "Address") == TRUE) {
1565                 g_free(device->address);
1566                 device->address = g_strdup(value);
1567         } else if (g_str_equal(key, "Name") == TRUE) {
1568                 g_free(device->name);
1569                 device->name = g_strdup(value);
1570         } else if (g_str_equal(key, "Node") == TRUE) {
1571                 g_free(device->node);
1572                 device->node = g_strdup(value);
1573         }
1574
1575         return connman_element_set_string(&device->element, key, value);
1576 }
1577
1578 /**
1579  * connman_device_get_string:
1580  * @device: device structure
1581  * @key: unique identifier
1582  *
1583  * Get string value for specific key
1584  */
1585 const char *connman_device_get_string(struct connman_device *device,
1586                                                         const char *key)
1587 {
1588         DBG("device %p key %s", device, key);
1589
1590         if (g_str_equal(key, "Address") == TRUE)
1591                 return device->address;
1592         else if (g_str_equal(key, "Name") == TRUE)
1593                 return device->name;
1594         else if (g_str_equal(key, "Node") == TRUE)
1595                 return device->node;
1596
1597         return connman_element_get_string(&device->element, key);
1598 }
1599
1600 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1601 {
1602         struct connman_device *device = element->device;
1603         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1604         connman_bool_t powered;
1605
1606         DBG("element %p name %s", element, element->name);
1607
1608         if (device == NULL)
1609                 return;
1610
1611         device->offlinemode = offlinemode;
1612
1613         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1614
1615         if (device->powered == powered)
1616                 return;
1617
1618         if (device->powered_persistent == FALSE)
1619                 powered = FALSE;
1620
1621         set_powered(device, powered);
1622 }
1623
1624 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1625 {
1626         DBG("offlinmode %d", offlinemode);
1627
1628         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1629                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1630
1631         __connman_notifier_offlinemode(offlinemode);
1632
1633         return 0;
1634 }
1635
1636 void __connman_device_increase_connections(struct connman_device *device)
1637 {
1638         device->connections++;
1639 }
1640
1641 void __connman_device_decrease_connections(struct connman_device *device)
1642 {
1643         device->connections--;
1644 }
1645
1646 /**
1647  * connman_device_add_network:
1648  * @device: device structure
1649  * @network: network structure
1650  *
1651  * Add new network to the device
1652  */
1653 int connman_device_add_network(struct connman_device *device,
1654                                         struct connman_network *network)
1655 {
1656         const char *identifier = connman_network_get_identifier(network);
1657         int err;
1658
1659         DBG("device %p network %p", device, network);
1660
1661         switch (device->mode) {
1662         case CONNMAN_DEVICE_MODE_UNKNOWN:
1663         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1664                 return -EINVAL;
1665         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1666         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1667                 break;
1668         }
1669
1670         __connman_network_set_device(network, device);
1671
1672         err = connman_element_register((struct connman_element *) network,
1673                                                         &device->element);
1674         if (err < 0) {
1675                 __connman_network_set_device(network, NULL);
1676                 return err;
1677         }
1678
1679         g_hash_table_insert(device->networks, g_strdup(identifier),
1680                                                                 network);
1681
1682         return 0;
1683 }
1684
1685 /**
1686  * connman_device_get_network:
1687  * @device: device structure
1688  * @identifier: network identifier
1689  *
1690  * Get network for given identifier
1691  */
1692 struct connman_network *connman_device_get_network(struct connman_device *device,
1693                                                         const char *identifier)
1694 {
1695         DBG("device %p identifier %s", device, identifier);
1696
1697         return g_hash_table_lookup(device->networks, identifier);
1698 }
1699
1700 /**
1701  * connman_device_remove_network:
1702  * @device: device structure
1703  * @identifier: network identifier
1704  *
1705  * Remove network for given identifier
1706  */
1707 int connman_device_remove_network(struct connman_device *device,
1708                                                         const char *identifier)
1709 {
1710         DBG("device %p identifier %s", device, identifier);
1711
1712         g_hash_table_remove(device->networks, identifier);
1713
1714         return 0;
1715 }
1716
1717 void __connman_device_set_network(struct connman_device *device,
1718                                         struct connman_network *network)
1719 {
1720         const char *name;
1721
1722         if (device->network == network)
1723                 return;
1724
1725         if (device->network != NULL)
1726                 connman_network_unref(device->network);
1727
1728         if (network != NULL) {
1729                 name = connman_network_get_string(network,
1730                                                 CONNMAN_PROPERTY_ID_NAME);
1731                 g_free(device->last_network);
1732                 device->last_network = g_strdup(name);
1733
1734                 device->network = connman_network_ref(network);
1735         } else {
1736                 g_free(device->last_network);
1737                 device->last_network = NULL;
1738
1739                 device->network = NULL;
1740         }
1741 }
1742
1743 /**
1744  * connman_device_register:
1745  * @device: device structure
1746  *
1747  * Register device with the system
1748  */
1749 int connman_device_register(struct connman_device *device)
1750 {
1751         __connman_storage_load_device(device);
1752
1753         device->offlinemode = __connman_profile_get_offlinemode();
1754
1755         return connman_element_register(&device->element, NULL);
1756 }
1757
1758 /**
1759  * connman_device_unregister:
1760  * @device: device structure
1761  *
1762  * Unregister device with the system
1763  */
1764 void connman_device_unregister(struct connman_device *device)
1765 {
1766         __connman_storage_save_device(device);
1767
1768         connman_element_unregister(&device->element);
1769 }
1770
1771 /**
1772  * connman_device_get_data:
1773  * @device: device structure
1774  *
1775  * Get private device data pointer
1776  */
1777 void *connman_device_get_data(struct connman_device *device)
1778 {
1779         return device->driver_data;
1780 }
1781
1782 /**
1783  * connman_device_set_data:
1784  * @device: device structure
1785  * @data: data pointer
1786  *
1787  * Set private device data pointer
1788  */
1789 void connman_device_set_data(struct connman_device *device, void *data)
1790 {
1791         device->driver_data = data;
1792 }
1793
1794 static gboolean match_driver(struct connman_device *device,
1795                                         struct connman_device_driver *driver)
1796 {
1797         if (device->type == driver->type ||
1798                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1799                 return TRUE;
1800
1801         return FALSE;
1802 }
1803
1804 static int device_probe(struct connman_element *element)
1805 {
1806         struct connman_device *device = element->device;
1807         GSList *list;
1808
1809         DBG("element %p name %s", element, element->name);
1810
1811         if (device == NULL)
1812                 return -ENODEV;
1813
1814         if (device->driver != NULL)
1815                 return -EALREADY;
1816
1817         for (list = driver_list; list; list = list->next) {
1818                 struct connman_device_driver *driver = list->data;
1819
1820                 if (match_driver(device, driver) == FALSE)
1821                         continue;
1822
1823                 DBG("driver %p name %s", driver, driver->name);
1824
1825                 if (driver->probe(device) == 0) {
1826                         device->driver = driver;
1827                         break;
1828                 }
1829         }
1830
1831         if (device->driver == NULL)
1832                 return -ENODEV;
1833
1834         return setup_device(device);
1835 }
1836
1837 static void device_remove(struct connman_element *element)
1838 {
1839         struct connman_device *device = element->device;
1840
1841         DBG("element %p name %s", element, element->name);
1842
1843         if (device == NULL)
1844                 return;
1845
1846         if (device->driver == NULL)
1847                 return;
1848
1849         remove_device(device);
1850 }
1851
1852 static struct connman_driver device_driver = {
1853         .name           = "device",
1854         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1855         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1856         .probe          = device_probe,
1857         .remove         = device_remove,
1858 };
1859
1860 static int device_load(struct connman_device *device)
1861 {
1862         const char *ident = __connman_profile_active_ident();
1863         GKeyFile *keyfile;
1864         GError *error = NULL;
1865         gchar *identifier;
1866         connman_bool_t powered;
1867         int val;
1868
1869         DBG("device %p", device);
1870
1871         keyfile = __connman_storage_open(ident);
1872         if (keyfile == NULL)
1873                 return 0;
1874
1875         identifier = g_strdup_printf("device_%s", device->element.name);
1876         if (identifier == NULL)
1877                 goto done;
1878
1879         powered = g_key_file_get_boolean(keyfile, identifier,
1880                                                 "Powered", &error);
1881         if (error == NULL)
1882                 device->powered_persistent = powered;
1883         g_clear_error(&error);
1884
1885         switch (device->mode) {
1886         case CONNMAN_DEVICE_MODE_UNKNOWN:
1887         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1888                 break;
1889         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1890         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1891                 val = g_key_file_get_integer(keyfile, identifier,
1892                                                 "ScanInterval", &error);
1893                 if (error == NULL && val > 0)
1894                         device->scan_interval = val;
1895                 g_clear_error(&error);
1896                 break;
1897         }
1898
1899 done:
1900         g_free(identifier);
1901
1902         __connman_storage_close(ident, keyfile, FALSE);
1903
1904         return 0;
1905 }
1906
1907 static int device_save(struct connman_device *device)
1908 {
1909         const char *ident = __connman_profile_active_ident();
1910         GKeyFile *keyfile;
1911         gchar *identifier;
1912
1913         DBG("device %p", device);
1914
1915         keyfile = __connman_storage_open(ident);
1916         if (keyfile == NULL)
1917                 return 0;
1918
1919         identifier = g_strdup_printf("device_%s", device->element.name);
1920         if (identifier == NULL)
1921                 goto done;
1922
1923         g_key_file_set_boolean(keyfile, identifier,
1924                                         "Powered", device->powered_persistent);
1925
1926         switch (device->mode) {
1927         case CONNMAN_DEVICE_MODE_UNKNOWN:
1928         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1929                 break;
1930         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1931         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1932                 if (device->scan_interval > 0)
1933                         g_key_file_set_integer(keyfile, identifier,
1934                                         "ScanInterval", device->scan_interval);
1935                 break;
1936         }
1937
1938 done:
1939         g_free(identifier);
1940
1941         __connman_storage_close(ident, keyfile, TRUE);
1942
1943         return 0;
1944 }
1945
1946 static struct connman_storage device_storage = {
1947         .name           = "device",
1948         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1949         .device_load    = device_load,
1950         .device_save    = device_save,
1951 };
1952
1953 int __connman_device_init(void)
1954 {
1955         DBG("");
1956
1957         connection = connman_dbus_get_connection();
1958
1959         if (connman_storage_register(&device_storage) < 0)
1960                 connman_error("Failed to register device storage");
1961
1962         return connman_driver_register(&device_driver);
1963 }
1964
1965 void __connman_device_cleanup(void)
1966 {
1967         DBG("");
1968
1969         connman_driver_unregister(&device_driver);
1970
1971         connman_storage_unregister(&device_storage);
1972
1973         dbus_connection_unref(connection);
1974 }