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 powered;
  41         connman_bool_t carrier;
  42         connman_bool_t scanning;
  43         connman_bool_t disconnected;
  44         connman_uint16_t scan_interval;
  45         char *name;
  46         char *node;
  47         char *address;
  48         char *interface;
  49         char *ident;
  50         unsigned int connections;
  51         guint scan_timeout;
  52         struct connman_ipconfig *ipconfig;
  53
  54         struct connman_device_driver *driver;
  55         void *driver_data;
  56
  57         connman_bool_t registered;
  58
  59         char *last_network;
  60         struct connman_network *network;
  61         GHashTable *networks;
  62
  63         DBusMessage *pending;
  64         guint timeout;
  65 };
  66
  67 static gboolean device_scan_trigger(gpointer user_data)
  68 {
  69         struct connman_device *device = user_data;
  70
  71         DBG("device %p", device);
  72
  73         if (device->driver == NULL) {
  74                 device->scan_timeout = 0;
  75                 return FALSE;
  76         }
  77
  78         if (device->driver->scan)
  79                 device->driver->scan(device);
  80
  81         return TRUE;
  82 }
  83
  84 static const char *type2description(enum connman_device_type type)
  85 {
  86         switch (type) {
  87         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  88         case CONNMAN_DEVICE_TYPE_VENDOR:
  89                 break;
  90         case CONNMAN_DEVICE_TYPE_ETHERNET:
  91                 return "Ethernet";
  92         case CONNMAN_DEVICE_TYPE_WIFI:
  93                 return "Wireless";
  94         case CONNMAN_DEVICE_TYPE_WIMAX:
  95                 return "WiMAX";
  96         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  97                 return "Bluetooth";
  98         case CONNMAN_DEVICE_TYPE_GPS:
  99                 return "GPS";
 100         case CONNMAN_DEVICE_TYPE_HSO:
 101         case CONNMAN_DEVICE_TYPE_NOZOMI:
 102         case CONNMAN_DEVICE_TYPE_HUAWEI:
 103         case CONNMAN_DEVICE_TYPE_NOVATEL:
 104                 return "Cellular";
 105         }
 106
 107         return NULL;
 108 }
 109
 110 static const char *type2string(enum connman_device_type type)
 111 {
 112         switch (type) {
 113         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 114         case CONNMAN_DEVICE_TYPE_VENDOR:
 115                 break;
 116         case CONNMAN_DEVICE_TYPE_ETHERNET:
 117                 return "ethernet";
 118         case CONNMAN_DEVICE_TYPE_WIFI:
 119                 return "wifi";
 120         case CONNMAN_DEVICE_TYPE_WIMAX:
 121                 return "wimax";
 122         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 123                 return "bluetooth";
 124         case CONNMAN_DEVICE_TYPE_GPS:
 125                 return "gps";
 126         case CONNMAN_DEVICE_TYPE_HSO:
 127         case CONNMAN_DEVICE_TYPE_HUAWEI:
 128         case CONNMAN_DEVICE_TYPE_NOZOMI:
 129         case CONNMAN_DEVICE_TYPE_NOVATEL:
 130                 return "cellular";
 131         }
 132
 133         return NULL;
 134 }
 135
 136 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 137 {
 138         struct connman_service *service;
 139
 140         service = __connman_service_lookup_from_device(device);
 141         __connman_service_set_carrier(service, carrier);
 142
 143         if (carrier == TRUE) {
 144                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 145                 struct connman_element *element;
 146
 147                 device->disconnected = TRUE;
 148
 149                 switch (device->element.ipv4.method) {
 150                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 151                 case CONNMAN_IPCONFIG_METHOD_OFF:
 152                         return 0;
 153                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 154                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 155                         break;
 156                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 157                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 158                         break;
 159                 }
 160
 161                 element = connman_element_create(NULL);
 162                 if (element != NULL) {
 163                         element->type  = type;
 164                         element->index = device->element.index;
 165
 166                         if (connman_element_register(element,
 167                                                         &device->element) < 0)
 168                                 connman_element_unref(element);
 169
 170                         device->disconnected = FALSE;
 171
 172                         __connman_service_indicate_state(service,
 173                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 174                 }
 175         } else
 176                 connman_element_unregister_children(&device->element);
 177
 178         return 0;
 179 }
 180
 181 static int set_powered(struct connman_device *device, connman_bool_t powered)
 182 {
 183         struct connman_device_driver *driver = device->driver;
 184         int err;
 185
 186         DBG("device %p powered %d", device, powered);
 187
 188         if (!driver)
 189                 return -EINVAL;
 190
 191         if (powered == TRUE) {
 192                 if (driver->enable) {
 193                         err = driver->enable(device);
 194                         __connman_notifier_device_type_increase(device->type);
 195                 } else
 196                         err = -EINVAL;
 197         } else {
 198                 g_hash_table_remove_all(device->networks);
 199
 200                 set_carrier(device, FALSE);
 201
 202                 if (driver->disable) {
 203                         err = driver->disable(device);
 204                         __connman_notifier_device_type_decrease(device->type);
 205                 } else
 206                         err = -EINVAL;
 207         }
 208
 209         return err;
 210 }
 211
 212 static void append_path(gpointer key, gpointer value, gpointer user_data)
 213 {
 214         struct connman_element *element = value;
 215         DBusMessageIter *iter = user_data;
 216
 217         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 218                                                         &element->path);
 219 }
 220
 221 static void append_networks(struct connman_device *device,
 222                                                 DBusMessageIter *entry)
 223 {
 224         DBusMessageIter value, iter;
 225         const char *key = "Networks";
 226
 227         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 228
 229         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 230                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 231                                                                 &value);
 232
 233         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 234                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 235         g_hash_table_foreach(device->networks, append_path, &iter);
 236         dbus_message_iter_close_container(&value, &iter);
 237
 238         dbus_message_iter_close_container(entry, &value);
 239 }
 240
 241 static DBusMessage *get_properties(DBusConnection *conn,
 242                                         DBusMessage *msg, void *data)
 243 {
 244         struct connman_device *device = data;
 245         DBusMessage *reply;
 246         DBusMessageIter array, dict, entry;
 247         const char *str;
 248
 249         DBG("conn %p", conn);
 250
 251         if (__connman_security_check_privilege(msg,
 252                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 253                 return __connman_error_permission_denied(msg);
 254
 255         reply = dbus_message_new_method_return(msg);
 256         if (reply == NULL)
 257                 return NULL;
 258
 259         dbus_message_iter_init_append(reply, &array);
 260
 261         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 262                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 263                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 264                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 265
 266         if (device->name != NULL)
 267                 connman_dbus_dict_append_variant(&dict, "Name",
 268                                         DBUS_TYPE_STRING, &device->name);
 269
 270         str = type2string(device->type);
 271         if (str != NULL)
 272                 connman_dbus_dict_append_variant(&dict, "Type",
 273                                                 DBUS_TYPE_STRING, &str);
 274
 275         if (device->address != NULL)
 276                 connman_dbus_dict_append_variant(&dict, "Address",
 277                                         DBUS_TYPE_STRING, &device->address);
 278
 279         if (device->interface != NULL)
 280                 connman_dbus_dict_append_variant(&dict, "Interface",
 281                                         DBUS_TYPE_STRING, &device->interface);
 282
 283         connman_dbus_dict_append_variant(&dict, "Powered",
 284                                         DBUS_TYPE_BOOLEAN, &device->powered);
 285
 286         if (device->driver && device->driver->scan)
 287                 connman_dbus_dict_append_variant(&dict, "Scanning",
 288                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 289
 290         switch (device->mode) {
 291         case CONNMAN_DEVICE_MODE_UNKNOWN:
 292                 break;
 293         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 294                 __connman_element_append_ipv4(&device->element, &dict);
 295                 break;
 296         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 297         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 298                 if (device->scan_interval > 0)
 299                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 300                                 DBUS_TYPE_UINT16, &device->scan_interval);
 301
 302                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 303                                                                 NULL, &entry);
 304                 append_networks(device, &entry);
 305                 dbus_message_iter_close_container(&dict, &entry);
 306                 break;
 307         }
 308
 309         dbus_message_iter_close_container(&array, &dict);
 310
 311         return reply;
 312 }
 313
 314 static gboolean powered_timeout(gpointer user_data)
 315 {
 316         struct connman_device *device = user_data;
 317
 318         DBG("device %p", device);
 319
 320         device->timeout = 0;
 321
 322         if (device->pending != NULL) {
 323                 DBusMessage *reply;
 324
 325                 reply = __connman_error_operation_timeout(device->pending);
 326                 if (reply != NULL)
 327                         g_dbus_send_message(connection, reply);
 328
 329                 dbus_message_unref(device->pending);
 330                 device->pending = NULL;
 331         }
 332
 333         return FALSE;
 334 }
 335
 336 static DBusMessage *set_property(DBusConnection *conn,
 337                                         DBusMessage *msg, void *data)
 338 {
 339         struct connman_device *device = data;
 340         DBusMessageIter iter, value;
 341         const char *name;
 342         int type;
 343
 344         DBG("conn %p", conn);
 345
 346         if (dbus_message_iter_init(msg, &iter) == FALSE)
 347                 return __connman_error_invalid_arguments(msg);
 348
 349         dbus_message_iter_get_basic(&iter, &name);
 350         dbus_message_iter_next(&iter);
 351         dbus_message_iter_recurse(&iter, &value);
 352
 353         if (__connman_security_check_privilege(msg,
 354                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 355                 return __connman_error_permission_denied(msg);
 356
 357         type = dbus_message_iter_get_arg_type(&value);
 358
 359         if (g_str_equal(name, "Powered") == TRUE) {
 360                 connman_bool_t powered;
 361                 int err;
 362
 363                 if (type != DBUS_TYPE_BOOLEAN)
 364                         return __connman_error_invalid_arguments(msg);
 365
 366                 dbus_message_iter_get_basic(&value, &powered);
 367
 368                 if (device->powered == powered)
 369                         return __connman_error_invalid_arguments(msg);
 370
 371                 if (device->pending != NULL)
 372                         return __connman_error_in_progress(msg);
 373
 374                 err = set_powered(device, powered);
 375                 if (err < 0 && err != -EINPROGRESS)
 376                         return __connman_error_failed(msg, -err);
 377
 378                 device->pending = dbus_message_ref(msg);
 379
 380                 device->timeout = g_timeout_add_seconds(15,
 381                                                 powered_timeout, device);
 382
 383                 return NULL;
 384         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 385                 connman_uint16_t interval;
 386
 387                 switch (device->mode) {
 388                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 389                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 390                         return __connman_error_invalid_arguments(msg);
 391                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 392                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 393                         break;
 394                 }
 395
 396                 if (type != DBUS_TYPE_UINT16)
 397                         return __connman_error_invalid_arguments(msg);
 398
 399                 dbus_message_iter_get_basic(&value, &interval);
 400
 401                 device->scan_interval = interval;
 402
 403                 if (device->scan_timeout > 0) {
 404                         g_source_remove(device->scan_timeout);
 405                         device->scan_timeout = 0;
 406                 }
 407
 408                 if (device->scan_interval > 0) {
 409                         guint interval = device->scan_interval;
 410                         device->scan_timeout = g_timeout_add_seconds(interval,
 411                                                 device_scan_trigger, device);
 412                 }
 413         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 414                 int err;
 415
 416                 switch (device->mode) {
 417                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 418                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 419                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 420                         return __connman_error_invalid_arguments(msg);
 421                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 422                         break;
 423                 }
 424
 425                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 426                                                         name + 5, &value);
 427                 if (err < 0)
 428                         return __connman_error_failed(msg, -err);
 429         } else
 430                 return __connman_error_invalid_property(msg);
 431
 432         __connman_storage_save_device(device);
 433
 434         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 435 }
 436
 437 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 438                                         const char *mode, const char *security)
 439 {
 440         GString *str;
 441         unsigned int i;
 442
 443         str = g_string_sized_new((ssid_len * 2) + 24);
 444         if (str == NULL)
 445                 return NULL;
 446
 447         if (ssid_len > 0 && ssid[0] != '\0') {
 448                 for (i = 0; i < ssid_len; i++)
 449                         g_string_append_printf(str, "%02x", ssid[i]);
 450         }
 451
 452         g_string_append_printf(str, "_%s_%s", mode, security);
 453
 454         return g_string_free(str, FALSE);
 455 }
 456
 457 static DBusMessage *join_network(DBusConnection *conn,
 458                                         DBusMessage *msg, void *data)
 459 {
 460         struct connman_device *device = data;
 461         struct connman_network *network;
 462         enum connman_network_type type;
 463         unsigned int ssid_size;
 464         const char *group, *mode, *security;
 465         const void *ssid;
 466         DBusMessageIter iter, array;
 467         int err, index;
 468
 469         DBG("conn %p", conn);
 470
 471         if (__connman_security_check_privilege(msg,
 472                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 473                 return __connman_error_permission_denied(msg);
 474
 475         if (!device->driver || !device->driver->join)
 476                 return __connman_error_not_supported(msg);
 477
 478         dbus_message_iter_init(msg, &iter);
 479         dbus_message_iter_recurse(&iter, &array);
 480
 481         switch (device->type) {
 482         case CONNMAN_DEVICE_TYPE_WIFI:
 483                 type = CONNMAN_NETWORK_TYPE_WIFI;
 484                 break;
 485         default:
 486                 return __connman_error_not_supported(msg);
 487         }
 488
 489         network = connman_network_create("00_00_00_00_00_00", type);
 490         if (network == NULL)
 491                 return __connman_error_failed(msg, ENOMEM);
 492
 493         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 494                 DBusMessageIter entry, value;
 495                 const char *key, *str;
 496
 497                 dbus_message_iter_recurse(&array, &entry);
 498                 dbus_message_iter_get_basic(&entry, &key);
 499
 500                 dbus_message_iter_next(&entry);
 501                 dbus_message_iter_recurse(&entry, &value);
 502
 503                 switch (dbus_message_iter_get_arg_type(&value)) {
 504                 case DBUS_TYPE_STRING:
 505                         dbus_message_iter_get_basic(&value, &str);
 506                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 507                                 connman_network_set_blob(network, key,
 508                                                         str, strlen(str));
 509                         else
 510                                 connman_network_set_string(network, key, str);
 511                         break;
 512                 }
 513
 514                 dbus_message_iter_next(&array);
 515         }
 516
 517         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 518         mode = connman_network_get_string(network, "WiFi.Mode");
 519         security = connman_network_get_string(network, "WiFi.Security");
 520         group = build_group(ssid, ssid_size, mode, security);
 521
 522         connman_network_set_group(network, group);
 523
 524         index = connman_device_get_index(device);
 525         connman_network_set_index(network, index);
 526
 527         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 528
 529         err = device->driver->join(device, network);
 530
 531         connman_network_unref(network);
 532
 533         if (err < 0)
 534                 return __connman_error_failed(msg, -err);
 535
 536         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 537 }
 538
 539 static DBusMessage *create_network(DBusConnection *conn,
 540                                         DBusMessage *msg, void *data)
 541 {
 542         DBG("conn %p", conn);
 543
 544         if (__connman_security_check_privilege(msg,
 545                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 546                 return __connman_error_permission_denied(msg);
 547
 548         return __connman_error_invalid_arguments(msg);
 549 }
 550
 551 static DBusMessage *remove_network(DBusConnection *conn,
 552                                         DBusMessage *msg, void *data)
 553 {
 554         DBG("conn %p", conn);
 555
 556         if (__connman_security_check_privilege(msg,
 557                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 558                 return __connman_error_permission_denied(msg);
 559
 560         return __connman_error_invalid_arguments(msg);
 561 }
 562
 563 static DBusMessage *propose_scan(DBusConnection *conn,
 564                                         DBusMessage *msg, void *data)
 565 {
 566         struct connman_device *device = data;
 567         int err;
 568
 569         DBG("conn %p", conn);
 570
 571         switch (device->mode) {
 572         case CONNMAN_DEVICE_MODE_UNKNOWN:
 573         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 574                 return __connman_error_not_supported(msg);
 575         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 576         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 577                 break;
 578         }
 579
 580         if (!device->driver || !device->driver->scan)
 581                 return __connman_error_not_supported(msg);
 582
 583         if (device->powered == FALSE)
 584                 return __connman_error_failed(msg, EINVAL);
 585
 586         err = device->driver->scan(device);
 587         if (err < 0)
 588                 return __connman_error_failed(msg, -err);
 589
 590         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 591 }
 592
 593 static GDBusMethodTable device_methods[] = {
 594         { "GetProperties", "",      "a{sv}", get_properties },
 595         { "SetProperty",   "sv",    "",      set_property,
 596                                                 G_DBUS_METHOD_FLAG_ASYNC },
 597         { "JoinNetwork",   "a{sv}", "",      join_network   },
 598         { "CreateNetwork", "a{sv}", "o",     create_network },
 599         { "RemoveNetwork", "o",     "",      remove_network },
 600         { "ProposeScan",   "",      "",      propose_scan   },
 601         { },
 602 };
 603
 604 static GDBusSignalTable device_signals[] = {
 605         { "PropertyChanged", "sv" },
 606         { },
 607 };
 608
 609 static void append_devices(DBusMessageIter *entry)
 610 {
 611         DBusMessageIter value, iter;
 612         const char *key = "Devices";
 613
 614         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 615
 616         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 617                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 618                                                                 &value);
 619
 620         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 621                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 622         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 623         dbus_message_iter_close_container(&value, &iter);
 624
 625         dbus_message_iter_close_container(entry, &value);
 626 }
 627
 628 static void emit_devices_signal(void)
 629 {
 630         DBusMessage *signal;
 631         DBusMessageIter entry;
 632
 633         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 634                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 635         if (signal == NULL)
 636                 return;
 637
 638         dbus_message_iter_init_append(signal, &entry);
 639
 640         append_devices(&entry);
 641
 642         g_dbus_send_message(connection, signal);
 643 }
 644
 645 static int register_interface(struct connman_element *element)
 646 {
 647         struct connman_device *device = element->device;
 648
 649         DBG("element %p name %s", element, element->name);
 650
 651         if (g_dbus_register_interface(connection, element->path,
 652                                         CONNMAN_DEVICE_INTERFACE,
 653                                         device_methods, device_signals,
 654                                         NULL, device, NULL) == FALSE) {
 655                 connman_error("Failed to register %s device", element->path);
 656                 return -EIO;
 657         }
 658
 659         device->registered = TRUE;
 660
 661         emit_devices_signal();
 662
 663         return 0;
 664 }
 665
 666 static void unregister_interface(struct connman_element *element)
 667 {
 668         struct connman_device *device = element->device;
 669
 670         DBG("element %p name %s", element, element->name);
 671
 672         device->registered = FALSE;
 673
 674         emit_devices_signal();
 675
 676         g_dbus_unregister_interface(connection, element->path,
 677                                                 CONNMAN_DEVICE_INTERFACE);
 678 }
 679
 680 static void device_enable(struct connman_device *device)
 681 {
 682         DBG("device %p", device);
 683
 684         if (device->powered == TRUE)
 685                 return;
 686
 687         if (device->driver->enable) {
 688                 device->driver->enable(device);
 689                 __connman_notifier_device_type_increase(device->type);
 690         }
 691 }
 692
 693 static void device_disable(struct connman_device *device)
 694 {
 695         DBG("device %p", device);
 696
 697         if (device->powered == FALSE)
 698                 return;
 699
 700         g_hash_table_remove_all(device->networks);
 701
 702         if (device->driver->disable) {
 703                 device->driver->disable(device);
 704                 __connman_notifier_device_type_decrease(device->type);
 705         }
 706 }
 707
 708 static int setup_device(struct connman_device *device)
 709 {
 710         int err;
 711
 712         DBG("device %p", device);
 713
 714         err = register_interface(&device->element);
 715         if (err < 0) {
 716                 if (device->driver->remove)
 717                         device->driver->remove(device);
 718                 device->driver = NULL;
 719                 return err;
 720         }
 721
 722         switch (device->mode) {
 723         case CONNMAN_DEVICE_MODE_UNKNOWN:
 724         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 725         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 726                 break;
 727         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 728                 if (device->secondary == FALSE)
 729                         __connman_profile_add_device(device);
 730                 break;
 731         }
 732
 733         device_enable(device);
 734
 735         return 0;
 736 }
 737
 738 static void probe_driver(struct connman_element *element, gpointer user_data)
 739 {
 740         struct connman_device_driver *driver = user_data;
 741
 742         DBG("element %p name %s", element, element->name);
 743
 744         if (element->device == NULL)
 745                 return;
 746
 747         if (element->device->driver != NULL)
 748                 return;
 749
 750         if (driver->type != element->device->type)
 751                 return;
 752
 753         if (driver->probe(element->device) < 0)
 754                 return;
 755
 756         element->device->driver = driver;
 757
 758         setup_device(element->device);
 759 }
 760
 761 static void remove_device(struct connman_device *device)
 762 {
 763         DBG("device %p", device);
 764
 765         device_disable(device);
 766
 767         switch (device->mode) {
 768         case CONNMAN_DEVICE_MODE_UNKNOWN:
 769         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 770         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 771                 break;
 772         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 773                 if (device->secondary == FALSE)
 774                         __connman_profile_remove_device(device);
 775                 break;
 776         }
 777
 778         unregister_interface(&device->element);
 779
 780         if (device->driver->remove)
 781                 device->driver->remove(device);
 782
 783         device->driver = NULL;
 784 }
 785
 786 static void remove_driver(struct connman_element *element, gpointer user_data)
 787 {
 788         struct connman_device_driver *driver = user_data;
 789
 790         DBG("element %p name %s", element, element->name);
 791
 792         if (element->device == NULL)
 793                 return;
 794
 795         if (element->device->driver == driver)
 796                 remove_device(element->device);
 797 }
 798
 799 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 800 {
 801         if (device == NULL || device->driver == NULL)
 802                 return FALSE;
 803
 804         return device->registered;
 805 }
 806
 807 static GSList *driver_list = NULL;
 808
 809 static gint compare_priority(gconstpointer a, gconstpointer b)
 810 {
 811         const struct connman_device_driver *driver1 = a;
 812         const struct connman_device_driver *driver2 = b;
 813
 814         return driver2->priority - driver1->priority;
 815 }
 816
 817 /**
 818  * connman_device_driver_register:
 819  * @driver: device driver definition
 820  *
 821  * Register a new device driver
 822  *
 823  * Returns: %0 on success
 824  */
 825 int connman_device_driver_register(struct connman_device_driver *driver)
 826 {
 827         DBG("driver %p name %s", driver, driver->name);
 828
 829         driver_list = g_slist_insert_sorted(driver_list, driver,
 830                                                         compare_priority);
 831
 832         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 833                                                 probe_driver, driver);
 834
 835         return 0;
 836 }
 837
 838 /**
 839  * connman_device_driver_unregister:
 840  * @driver: device driver definition
 841  *
 842  * Remove a previously registered device driver
 843  */
 844 void connman_device_driver_unregister(struct connman_device_driver *driver)
 845 {
 846         DBG("driver %p name %s", driver, driver->name);
 847
 848         driver_list = g_slist_remove(driver_list, driver);
 849
 850         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 851                                                 remove_driver, driver);
 852 }
 853
 854 static void unregister_network(gpointer data)
 855 {
 856         struct connman_network *network = data;
 857
 858         DBG("network %p", network);
 859
 860         connman_element_unregister((struct connman_element *) network);
 861
 862         connman_network_unref(network);
 863 }
 864
 865 static void device_destruct(struct connman_element *element)
 866 {
 867         struct connman_device *device = element->device;
 868
 869         DBG("element %p name %s", element, element->name);
 870
 871         if (device->timeout > 0) {
 872                 g_source_remove(device->timeout);
 873                 device->timeout = 0;
 874         }
 875
 876         if (device->pending != NULL) {
 877                 dbus_message_unref(device->pending);
 878                 device->pending = NULL;
 879         }
 880
 881         g_free(device->ident);
 882         g_free(device->node);
 883         g_free(device->name);
 884         g_free(device->address);
 885         g_free(device->interface);
 886
 887         connman_ipconfig_unref(device->ipconfig);
 888
 889         g_free(device->last_network);
 890
 891         g_hash_table_destroy(device->networks);
 892         device->networks = NULL;
 893 }
 894
 895 /**
 896  * connman_device_create:
 897  * @node: device node name (for example an address)
 898  * @type: device type
 899  *
 900  * Allocate a new device of given #type and assign the #node name to it.
 901  *
 902  * Returns: a newly-allocated #connman_device structure
 903  */
 904 struct connman_device *connman_device_create(const char *node,
 905                                                 enum connman_device_type type)
 906 {
 907         struct connman_device *device;
 908         const char *str;
 909
 910         DBG("node %s type %d", node, type);
 911
 912         device = g_try_new0(struct connman_device, 1);
 913         if (device == NULL)
 914                 return NULL;
 915
 916         DBG("device %p", device);
 917
 918         __connman_element_initialize(&device->element);
 919
 920         device->element.name = g_strdup(node);
 921         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 922
 923         device->element.device = device;
 924         device->element.destruct = device_destruct;
 925
 926         str = type2string(type);
 927         if (str != NULL)
 928                 connman_element_set_string(&device->element,
 929                                         CONNMAN_PROPERTY_ID_TYPE, str);
 930
 931         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 932
 933         device->type      = type;
 934         device->name      = g_strdup(type2description(device->type));
 935         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 936         device->secondary = FALSE;
 937
 938         switch (type) {
 939         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 940         case CONNMAN_DEVICE_TYPE_VENDOR:
 941                 device->scan_interval = 0;
 942                 break;
 943         case CONNMAN_DEVICE_TYPE_ETHERNET:
 944         case CONNMAN_DEVICE_TYPE_WIFI:
 945                 device->scan_interval = 300;
 946                 break;
 947         case CONNMAN_DEVICE_TYPE_WIMAX:
 948                 device->scan_interval = 0;
 949                 break;
 950         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 951                 device->scan_interval = 0;
 952                 break;
 953         case CONNMAN_DEVICE_TYPE_GPS:
 954                 device->scan_interval = 0;
 955                 break;
 956         case CONNMAN_DEVICE_TYPE_HSO:
 957         case CONNMAN_DEVICE_TYPE_NOZOMI:
 958         case CONNMAN_DEVICE_TYPE_HUAWEI:
 959         case CONNMAN_DEVICE_TYPE_NOVATEL:
 960                 device->scan_interval = 0;
 961                 break;
 962         }
 963
 964         device->ipconfig = connman_ipconfig_create();
 965         if (device->ipconfig == NULL) {
 966                 connman_device_unref(device);
 967                 return NULL;
 968         }
 969
 970         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 971                                                 g_free, unregister_network);
 972
 973         return device;
 974 }
 975
 976 /**
 977  * connman_device_ref:
 978  * @device: device structure
 979  *
 980  * Increase reference counter of device
 981  */
 982 struct connman_device *connman_device_ref(struct connman_device *device)
 983 {
 984         if (connman_element_ref(&device->element) == NULL)
 985                 return NULL;
 986
 987         return device;
 988 }
 989
 990 /**
 991  * connman_device_unref:
 992  * @device: device structure
 993  *
 994  * Decrease reference counter of device
 995  */
 996 void connman_device_unref(struct connman_device *device)
 997 {
 998         connman_element_unref(&device->element);
 999 }
1000
1001 const char *__connman_device_get_type(struct connman_device *device)
1002 {
1003         return type2string(device->type);
1004 }
1005
1006 /**
1007  * connman_device_get_type:
1008  * @device: device structure
1009  *
1010  * Get type of device
1011  */
1012 enum connman_device_type connman_device_get_type(struct connman_device *device)
1013 {
1014         return device->type;
1015 }
1016
1017 /**
1018  * connman_device_get_name:
1019  * @device: device structure
1020  *
1021  * Get unique name of device
1022  */
1023 const char *connman_device_get_name(struct connman_device *device)
1024 {
1025         return device->element.name;
1026 }
1027
1028 /**
1029  * connman_device_get_path:
1030  * @device: device structure
1031  *
1032  * Get path name of device
1033  */
1034 const char *connman_device_get_path(struct connman_device *device)
1035 {
1036         return device->element.path;
1037 }
1038
1039 /**
1040  * connman_device_set_index:
1041  * @device: device structure
1042  * @index: index number
1043  *
1044  * Set index number of device
1045  */
1046 void connman_device_set_index(struct connman_device *device, int index)
1047 {
1048         device->element.index = index;
1049 }
1050
1051 /**
1052  * connman_device_get_index:
1053  * @device: device structure
1054  *
1055  * Get index number of device
1056  */
1057 int connman_device_get_index(struct connman_device *device)
1058 {
1059         return device->element.index;
1060 }
1061
1062 /**
1063  * connman_device_set_interface:
1064  * @device: device structure
1065  * @interface: interface name
1066  *
1067  * Set interface name of device
1068  */
1069 void connman_device_set_interface(struct connman_device *device,
1070                                                         const char *interface)
1071 {
1072         g_free(device->element.devname);
1073         device->element.devname = g_strdup(interface);
1074
1075         g_free(device->interface);
1076         device->interface = g_strdup(interface);
1077
1078         if (device->name == NULL) {
1079                 const char *str = type2description(device->type);
1080                 if (str != NULL && device->interface != NULL)
1081                         device->name = g_strdup_printf("%s (%s)", str,
1082                                                         device->interface);
1083         }
1084 }
1085
1086 /**
1087  * connman_device_get_interface:
1088  * @device: device structure
1089  *
1090  * Get interface name of device
1091  */
1092 const char *connman_device_get_interface(struct connman_device *device)
1093 {
1094         return device->interface;
1095 }
1096
1097 /**
1098  * connman_device_set_ident:
1099  * @device: device structure
1100  * @ident: unique identifier
1101  *
1102  * Set unique identifier of device
1103  */
1104 void connman_device_set_ident(struct connman_device *device,
1105                                                         const char *ident)
1106 {
1107         g_free(device->ident);
1108         device->ident = g_strdup(ident);
1109 }
1110
1111 const char *__connman_device_get_ident(struct connman_device *device)
1112 {
1113         return device->ident;
1114 }
1115
1116 /**
1117  * connman_device_set_mode:
1118  * @device: device structure
1119  * @mode: network mode
1120  *
1121  * Change network mode of device
1122  */
1123 void connman_device_set_mode(struct connman_device *device,
1124                                                 enum connman_device_mode mode)
1125 {
1126         device->mode = mode;
1127 }
1128
1129 /**
1130  * connman_device_get_mode:
1131  * @device: device structure
1132  *
1133  * Get network mode of device
1134  */
1135 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1136 {
1137         return device->mode;
1138 }
1139
1140 /**
1141  * connman_device_set_secondary:
1142  * @device: device structure
1143  * @secondary: secondary value
1144  *
1145  * Change secondary value of device
1146  */
1147 void connman_device_set_secondary(struct connman_device *device,
1148                                                 connman_bool_t secondary)
1149 {
1150         device->secondary = secondary;
1151 }
1152
1153 /**
1154  * connman_device_get_secondary:
1155  * @device: device structure
1156  *
1157  * Get secondary value of device
1158  */
1159 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1160 {
1161         return device->secondary;
1162 }
1163
1164 /**
1165  * connman_device_set_powered:
1166  * @device: device structure
1167  * @powered: powered state
1168  *
1169  * Change power state of device
1170  */
1171 int connman_device_set_powered(struct connman_device *device,
1172                                                 connman_bool_t powered)
1173 {
1174         DBusMessage *signal;
1175         DBusMessageIter entry, value;
1176         const char *key = "Powered";
1177
1178         DBG("driver %p powered %d", device, powered);
1179
1180         if (device->timeout > 0) {
1181                 g_source_remove(device->timeout);
1182                 device->timeout = 0;
1183         }
1184
1185         if (device->pending != NULL) {
1186                 g_dbus_send_reply(connection, device->pending,
1187                                                         DBUS_TYPE_INVALID);
1188
1189                 dbus_message_unref(device->pending);
1190         }
1191
1192         if (device->powered == powered)
1193                 return -EALREADY;
1194
1195         device->powered = powered;
1196
1197         if (device->registered == FALSE)
1198                 return 0;
1199
1200         signal = dbus_message_new_signal(device->element.path,
1201                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1202         if (signal == NULL)
1203                 return 0;
1204
1205         dbus_message_iter_init_append(signal, &entry);
1206
1207         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1208
1209         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1210                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1211         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1212         dbus_message_iter_close_container(&entry, &value);
1213
1214         g_dbus_send_message(connection, signal);
1215
1216         if (powered == FALSE)
1217                 return 0;
1218
1219         if (device->scan_timeout > 0) {
1220                 g_source_remove(device->scan_timeout);
1221                 device->scan_timeout = 0;
1222         }
1223
1224         if (device->scan_interval > 0) {
1225                 guint interval = device->scan_interval;
1226                 device->scan_timeout = g_timeout_add_seconds(interval,
1227                                         device_scan_trigger, device);
1228         }
1229
1230         if (device->driver->scan)
1231                 device->driver->scan(device);
1232
1233         return 0;
1234 }
1235
1236 /**
1237  * connman_device_set_carrier:
1238  * @device: device structure
1239  * @carrier: carrier state
1240  *
1241  * Change carrier state of device (only for device without scanning)
1242  */
1243 int connman_device_set_carrier(struct connman_device *device,
1244                                                 connman_bool_t carrier)
1245 {
1246         DBG("driver %p carrier %d", device, carrier);
1247
1248         switch (device->mode) {
1249         case CONNMAN_DEVICE_MODE_UNKNOWN:
1250         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1251         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1252                 return -EINVAL;
1253         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1254                 break;
1255         }
1256
1257         if (device->carrier == carrier)
1258                 return -EALREADY;
1259
1260         device->carrier = carrier;
1261
1262         return set_carrier(device, device->carrier);
1263 }
1264
1265 int __connman_device_connect(struct connman_device *device)
1266 {
1267         DBG("device %p", device);
1268
1269         if (device->disconnected == FALSE)
1270                 return -EINVAL;
1271
1272         if (device->driver && device->driver->connect)
1273                 device->driver->connect(device);
1274
1275         return 0;
1276 }
1277
1278 int __connman_device_disconnect(struct connman_device *device)
1279 {
1280         GHashTableIter iter;
1281         gpointer key, value;
1282
1283         DBG("device %p", device);
1284
1285         connman_device_set_disconnected(device, TRUE);
1286
1287         g_hash_table_iter_init(&iter, device->networks);
1288
1289         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1290                 struct connman_network *network = value;
1291
1292                 if (connman_network_get_connected(network) == TRUE)
1293                         __connman_network_disconnect(network);
1294         }
1295
1296         if (device->driver && device->driver->disconnect)
1297                 device->driver->disconnect(device);
1298
1299         return 0;
1300 }
1301
1302 static void connect_known_network(struct connman_device *device)
1303 {
1304         struct connman_network *network = NULL;
1305         GHashTableIter iter;
1306         gpointer key, value;
1307         const char *name;
1308         unsigned int count = 0;
1309
1310         DBG("device %p", device);
1311
1312         g_hash_table_iter_init(&iter, device->networks);
1313
1314         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1315                 connman_uint8_t old_strength, new_strength;
1316
1317                 count++;
1318
1319                 if (connman_network_get_available(value) == FALSE)
1320                         continue;
1321
1322                 name = connman_network_get_string(value,
1323                                                 CONNMAN_PROPERTY_ID_NAME);
1324                 if (name != NULL && device->last_network != NULL) {
1325                         if (g_str_equal(name, device->last_network) == TRUE) {
1326                                 network = value;
1327                                 break;
1328                         }
1329                 }
1330
1331                 if (network == NULL) {
1332                         network = value;
1333                         continue;
1334                 }
1335
1336                 old_strength = connman_network_get_uint8(network,
1337                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1338                 new_strength = connman_network_get_uint8(value,
1339                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1340
1341                 if (new_strength > old_strength)
1342                         network = value;
1343         }
1344
1345         if (network != NULL) {
1346                 int err;
1347
1348                 name = connman_network_get_string(value,
1349                                                 CONNMAN_PROPERTY_ID_NAME);
1350                 if (name != NULL) {
1351                         err = __connman_network_connect(network);
1352                         if (err == 0 || err == -EINPROGRESS)
1353                                 return;
1354                 }
1355         }
1356
1357         if (count > 0)
1358                 return;
1359
1360         if (device->driver && device->driver->scan)
1361                 device->driver->scan(device);
1362 }
1363
1364 static void mark_network_unavailable(gpointer key, gpointer value,
1365                                                         gpointer user_data)
1366 {
1367         struct connman_network *network = value;
1368
1369         if (connman_network_get_connected(network) == TRUE)
1370                 return;
1371
1372         connman_network_set_available(network, FALSE);
1373 }
1374
1375 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1376                                                         gpointer user_data)
1377 {
1378         struct connman_network *network = value;
1379
1380         if (connman_network_get_connected(network) == TRUE)
1381                 return FALSE;
1382
1383         if (connman_network_get_available(network) == TRUE)
1384                 return FALSE;
1385
1386         return TRUE;
1387 }
1388
1389 /**
1390  * connman_device_set_scanning:
1391  * @device: device structure
1392  * @scanning: scanning state
1393  *
1394  * Change scanning state of device
1395  */
1396 int connman_device_set_scanning(struct connman_device *device,
1397                                                 connman_bool_t scanning)
1398 {
1399         DBusMessage *signal;
1400         DBusMessageIter entry, value;
1401         const char *key = "Scanning";
1402
1403         DBG("driver %p scanning %d", device, scanning);
1404
1405         if (!device->driver || !device->driver->scan)
1406                 return -EINVAL;
1407
1408         if (device->scanning == scanning)
1409                 return -EALREADY;
1410
1411         device->scanning = scanning;
1412
1413         signal = dbus_message_new_signal(device->element.path,
1414                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1415         if (signal == NULL)
1416                 return 0;
1417
1418         dbus_message_iter_init_append(signal, &entry);
1419
1420         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1421
1422         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1423                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1424         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1425         dbus_message_iter_close_container(&entry, &value);
1426
1427         g_dbus_send_message(connection, signal);
1428
1429         if (scanning == TRUE) {
1430                 if (device->scan_timeout > 0) {
1431                         g_source_remove(device->scan_timeout);
1432                         device->scan_timeout = 0;
1433                 }
1434
1435                 if (device->scan_interval > 0) {
1436                         guint interval = device->scan_interval;
1437                         device->scan_timeout = g_timeout_add_seconds(interval,
1438                                                 device_scan_trigger, device);
1439                 }
1440
1441                 g_hash_table_foreach(device->networks,
1442                                         mark_network_unavailable, NULL);
1443                 return 0;
1444         }
1445
1446         g_hash_table_foreach_remove(device->networks,
1447                                         remove_unavailable_network, NULL);
1448
1449         if (device->connections > 0)
1450                 return 0;
1451
1452         if (device->disconnected == TRUE)
1453                 return 0;
1454
1455         connect_known_network(device);
1456
1457         return 0;
1458 }
1459
1460 /**
1461  * connman_device_set_disconnected:
1462  * @device: device structure
1463  * @disconnected: disconnected state
1464  *
1465  * Change disconnected state of device (only for device with networks)
1466  */
1467 int connman_device_set_disconnected(struct connman_device *device,
1468                                                 connman_bool_t disconnected)
1469 {
1470         DBG("driver %p disconnected %d", device, disconnected);
1471
1472         switch (device->mode) {
1473         case CONNMAN_DEVICE_MODE_UNKNOWN:
1474         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1475                 return -EINVAL;
1476         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1477         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1478                 break;
1479         }
1480
1481         if (device->disconnected == disconnected)
1482                 return -EALREADY;
1483
1484         device->disconnected = disconnected;
1485
1486         return 0;
1487 }
1488
1489 /**
1490  * connman_device_set_string:
1491  * @device: device structure
1492  * @key: unique identifier
1493  * @value: string value
1494  *
1495  * Set string value for specific key
1496  */
1497 int connman_device_set_string(struct connman_device *device,
1498                                         const char *key, const char *value)
1499 {
1500         DBG("device %p key %s value %s", device, key, value);
1501
1502         if (g_str_equal(key, "Address") == TRUE) {
1503                 g_free(device->address);
1504                 device->address = g_strdup(value);
1505         } else if (g_str_equal(key, "Name") == TRUE) {
1506                 g_free(device->name);
1507                 device->name = g_strdup(value);
1508         } else if (g_str_equal(key, "Node") == TRUE) {
1509                 g_free(device->node);
1510                 device->node = g_strdup(value);
1511         }
1512
1513         return connman_element_set_string(&device->element, key, value);
1514 }
1515
1516 /**
1517  * connman_device_get_string:
1518  * @device: device structure
1519  * @key: unique identifier
1520  *
1521  * Get string value for specific key
1522  */
1523 const char *connman_device_get_string(struct connman_device *device,
1524                                                         const char *key)
1525 {
1526         DBG("device %p key %s", device, key);
1527
1528         if (g_str_equal(key, "Address") == TRUE)
1529                 return device->address;
1530         else if (g_str_equal(key, "Name") == TRUE)
1531                 return device->name;
1532         else if (g_str_equal(key, "Node") == TRUE)
1533                 return device->node;
1534
1535         return connman_element_get_string(&device->element, key);
1536 }
1537
1538 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1539 {
1540         struct connman_device *device = element->device;
1541         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1542         connman_bool_t powered;
1543
1544         DBG("element %p name %s", element, element->name);
1545
1546         if (device == NULL)
1547                 return;
1548
1549         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1550
1551         if (device->powered == powered)
1552                 return;
1553
1554         set_powered(device, powered);
1555 }
1556
1557 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1558 {
1559         DBG("offlinmode %d", offlinemode);
1560
1561         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1562                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1563
1564         __connman_notifier_offline_mode(offlinemode);
1565
1566         return 0;
1567 }
1568
1569 void __connman_device_increase_connections(struct connman_device *device)
1570 {
1571         device->connections++;
1572 }
1573
1574 void __connman_device_decrease_connections(struct connman_device *device)
1575 {
1576         device->connections--;
1577 }
1578
1579 /**
1580  * connman_device_add_network:
1581  * @device: device structure
1582  * @network: network structure
1583  *
1584  * Add new network to the device
1585  */
1586 int connman_device_add_network(struct connman_device *device,
1587                                         struct connman_network *network)
1588 {
1589         const char *identifier = connman_network_get_identifier(network);
1590         int err;
1591
1592         DBG("device %p network %p", device, network);
1593
1594         switch (device->mode) {
1595         case CONNMAN_DEVICE_MODE_UNKNOWN:
1596         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1597                 return -EINVAL;
1598         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1599         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1600                 break;
1601         }
1602
1603         __connman_network_set_device(network, device);
1604
1605         __connman_storage_load_network(network);
1606
1607         err = connman_element_register((struct connman_element *) network,
1608                                                         &device->element);
1609         if (err < 0) {
1610                 __connman_network_set_device(network, NULL);
1611                 return err;
1612         }
1613
1614         g_hash_table_insert(device->networks, g_strdup(identifier),
1615                                                                 network);
1616
1617         return 0;
1618 }
1619
1620 /**
1621  * connman_device_get_network:
1622  * @device: device structure
1623  * @identifier: network identifier
1624  *
1625  * Get network for given identifier
1626  */
1627 struct connman_network *connman_device_get_network(struct connman_device *device,
1628                                                         const char *identifier)
1629 {
1630         DBG("device %p identifier %s", device, identifier);
1631
1632         return g_hash_table_lookup(device->networks, identifier);
1633 }
1634
1635 /**
1636  * connman_device_remove_network:
1637  * @device: device structure
1638  * @identifier: network identifier
1639  *
1640  * Remove network for given identifier
1641  */
1642 int connman_device_remove_network(struct connman_device *device,
1643                                                         const char *identifier)
1644 {
1645         DBG("device %p identifier %s", device, identifier);
1646
1647         g_hash_table_remove(device->networks, identifier);
1648
1649         return 0;
1650 }
1651
1652 void __connman_device_set_network(struct connman_device *device,
1653                                         struct connman_network *network)
1654 {
1655         const char *name;
1656
1657         if (device->network == network)
1658                 return;
1659
1660         if (device->network != NULL)
1661                 connman_network_unref(device->network);
1662
1663         if (network != NULL) {
1664                 name = connman_network_get_string(network,
1665                                                 CONNMAN_PROPERTY_ID_NAME);
1666                 g_free(device->last_network);
1667                 device->last_network = g_strdup(name);
1668
1669                 device->network = connman_network_ref(network);
1670         } else {
1671                 g_free(device->last_network);
1672                 device->last_network = NULL;
1673
1674                 device->network = NULL;
1675         }
1676 }
1677
1678 /**
1679  * connman_device_register:
1680  * @device: device structure
1681  *
1682  * Register device with the system
1683  */
1684 int connman_device_register(struct connman_device *device)
1685 {
1686         __connman_storage_load_device(device);
1687
1688         switch (device->mode) {
1689         case CONNMAN_DEVICE_MODE_UNKNOWN:
1690         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1691                 break;
1692         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1693         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1694                 __connman_storage_init_network(device);
1695                 break;
1696         }
1697
1698         return connman_element_register(&device->element, NULL);
1699 }
1700
1701 /**
1702  * connman_device_unregister:
1703  * @device: device structure
1704  *
1705  * Unregister device with the system
1706  */
1707 void connman_device_unregister(struct connman_device *device)
1708 {
1709         __connman_storage_save_device(device);
1710
1711         connman_element_unregister(&device->element);
1712 }
1713
1714 /**
1715  * connman_device_get_data:
1716  * @device: device structure
1717  *
1718  * Get private device data pointer
1719  */
1720 void *connman_device_get_data(struct connman_device *device)
1721 {
1722         return device->driver_data;
1723 }
1724
1725 /**
1726  * connman_device_set_data:
1727  * @device: device structure
1728  * @data: data pointer
1729  *
1730  * Set private device data pointer
1731  */
1732 void connman_device_set_data(struct connman_device *device, void *data)
1733 {
1734         device->driver_data = data;
1735 }
1736
1737 static gboolean match_driver(struct connman_device *device,
1738                                         struct connman_device_driver *driver)
1739 {
1740         if (device->type == driver->type ||
1741                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1742                 return TRUE;
1743
1744         return FALSE;
1745 }
1746
1747 static int device_probe(struct connman_element *element)
1748 {
1749         struct connman_device *device = element->device;
1750         GSList *list;
1751
1752         DBG("element %p name %s", element, element->name);
1753
1754         if (device == NULL)
1755                 return -ENODEV;
1756
1757         if (device->driver != NULL)
1758                 return -EALREADY;
1759
1760         for (list = driver_list; list; list = list->next) {
1761                 struct connman_device_driver *driver = list->data;
1762
1763                 if (match_driver(device, driver) == FALSE)
1764                         continue;
1765
1766                 DBG("driver %p name %s", driver, driver->name);
1767
1768                 if (driver->probe(device) == 0) {
1769                         device->driver = driver;
1770                         break;
1771                 }
1772         }
1773
1774         if (device->driver == NULL)
1775                 return -ENODEV;
1776
1777         return setup_device(device);
1778 }
1779
1780 static void device_remove(struct connman_element *element)
1781 {
1782         struct connman_device *device = element->device;
1783
1784         DBG("element %p name %s", element, element->name);
1785
1786         if (device == NULL)
1787                 return;
1788
1789         if (device->driver == NULL)
1790                 return;
1791
1792         remove_device(device);
1793 }
1794
1795 static struct connman_driver device_driver = {
1796         .name           = "device",
1797         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1798         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1799         .probe          = device_probe,
1800         .remove         = device_remove,
1801 };
1802
1803 static int device_load(struct connman_device *device)
1804 {
1805         GKeyFile *keyfile;
1806         gchar *pathname, *identifier, *data = NULL;
1807         gsize length;
1808         int val;
1809
1810         DBG("device %p", device);
1811
1812         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1813                                         __connman_profile_active_ident());
1814         if (pathname == NULL)
1815                 return -ENOMEM;
1816
1817         keyfile = g_key_file_new();
1818
1819         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1820                 g_free(pathname);
1821                 return -ENOENT;
1822         }
1823
1824         g_free(pathname);
1825
1826         if (g_key_file_load_from_data(keyfile, data, length,
1827                                                         0, NULL) == FALSE) {
1828                 g_free(data);
1829                 return -EILSEQ;
1830         }
1831
1832         g_free(data);
1833
1834         identifier = g_strdup_printf("device_%s", device->element.name);
1835         if (identifier == NULL)
1836                 goto done;
1837
1838         switch (device->mode) {
1839         case CONNMAN_DEVICE_MODE_UNKNOWN:
1840         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1841                 break;
1842         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1843         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1844                 val = g_key_file_get_integer(keyfile, identifier,
1845                                                         "ScanInterval", NULL);
1846                 if (val > 0)
1847                         device->scan_interval = val;
1848                 break;
1849         }
1850
1851 done:
1852         g_key_file_free(keyfile);
1853
1854         g_free(identifier);
1855
1856         return 0;
1857 }
1858
1859 static int device_save(struct connman_device *device)
1860 {
1861         GKeyFile *keyfile;
1862         gchar *pathname, *identifier = NULL, *data = NULL;
1863         gsize length;
1864
1865         DBG("device %p", device);
1866
1867         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1868                                         __connman_profile_active_ident());
1869         if (pathname == NULL)
1870                 return -ENOMEM;
1871
1872         keyfile = g_key_file_new();
1873
1874         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1875                 goto update;
1876
1877         if (length > 0) {
1878                 if (g_key_file_load_from_data(keyfile, data, length,
1879                                                         0, NULL) == FALSE)
1880                         goto done;
1881         }
1882
1883         g_free(data);
1884
1885 update:
1886         identifier = g_strdup_printf("device_%s", device->element.name);
1887         if (identifier == NULL)
1888                 goto done;
1889
1890         switch (device->mode) {
1891         case CONNMAN_DEVICE_MODE_UNKNOWN:
1892         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1893                 break;
1894         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1895         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1896                 if (device->scan_interval > 0)
1897                         g_key_file_set_integer(keyfile, identifier,
1898                                         "ScanInterval", device->scan_interval);
1899                 break;
1900         }
1901
1902         data = g_key_file_to_data(keyfile, &length, NULL);
1903
1904         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1905                 connman_error("Failed to store device information");
1906
1907 done:
1908         g_free(data);
1909
1910         g_key_file_free(keyfile);
1911
1912         g_free(identifier);
1913         g_free(pathname);
1914
1915         return 0;
1916 }
1917
1918 static struct connman_storage device_storage = {
1919         .name           = "device",
1920         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1921         .device_load    = device_load,
1922         .device_save    = device_save,
1923 };
1924
1925 int __connman_device_init(void)
1926 {
1927         DBG("");
1928
1929         connection = connman_dbus_get_connection();
1930
1931         if (connman_storage_register(&device_storage) < 0)
1932                 connman_error("Failed to register device storage");
1933
1934         return connman_driver_register(&device_driver);
1935 }
1936
1937 void __connman_device_cleanup(void)
1938 {
1939         DBG("");
1940
1941         connman_driver_unregister(&device_driver);
1942
1943         connman_storage_unregister(&device_storage);
1944
1945         dbus_connection_unref(connection);
1946 }