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_bool_t reconnect;
  49         connman_uint16_t scan_interval;
  50         char *name;
  51         char *node;
  52         char *address;
  53         char *interface;
  54         char *control;
  55         char *ident;
  56         int phyindex;
  57         unsigned int connections;
  58         guint scan_timeout;
  59         struct connman_ipconfig *ipconfig;
  60
  61         struct connman_device_driver *driver;
  62         void *driver_data;
  63
  64         connman_bool_t registered;
  65
  66         char *last_network;
  67         struct connman_network *network;
  68         GHashTable *networks;
  69
  70         DBusMessage *pending;
  71         guint timeout;
  72 };
  73
  74 static gboolean device_scan_trigger(gpointer user_data)
  75 {
  76         struct connman_device *device = user_data;
  77
  78         DBG("device %p", device);
  79
  80         if (device->driver == NULL) {
  81                 device->scan_timeout = 0;
  82                 return FALSE;
  83         }
  84
  85         if (device->driver->scan)
  86                 device->driver->scan(device);
  87
  88         return TRUE;
  89 }
  90
  91 static void clear_scan_trigger(struct connman_device *device)
  92 {
  93         if (device->scan_timeout > 0) {
  94                 g_source_remove(device->scan_timeout);
  95                 device->scan_timeout = 0;
  96         }
  97 }
  98
  99 static void reset_scan_trigger(struct connman_device *device)
 100 {
 101         clear_scan_trigger(device);
 102
 103         if (device->scan_interval > 0) {
 104                 guint interval = device->scan_interval;
 105                 device->scan_timeout = g_timeout_add_seconds(interval,
 106                                         device_scan_trigger, device);
 107         }
 108 }
 109
 110 static void force_scan_trigger(struct connman_device *device)
 111 {
 112         clear_scan_trigger(device);
 113
 114         device->scan_timeout = g_timeout_add_seconds(5,
 115                                         device_scan_trigger, device);
 116 }
 117
 118 static const char *type2description(enum connman_device_type type)
 119 {
 120         switch (type) {
 121         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 122         case CONNMAN_DEVICE_TYPE_VENDOR:
 123                 break;
 124         case CONNMAN_DEVICE_TYPE_ETHERNET:
 125                 return "Ethernet";
 126         case CONNMAN_DEVICE_TYPE_WIFI:
 127                 return "Wireless";
 128         case CONNMAN_DEVICE_TYPE_WIMAX:
 129                 return "WiMAX";
 130         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 131                 return "Bluetooth";
 132         case CONNMAN_DEVICE_TYPE_GPS:
 133                 return "GPS";
 134         case CONNMAN_DEVICE_TYPE_MBM:
 135         case CONNMAN_DEVICE_TYPE_CELLULAR:
 136         case CONNMAN_DEVICE_TYPE_HSO:
 137         case CONNMAN_DEVICE_TYPE_NOZOMI:
 138         case CONNMAN_DEVICE_TYPE_HUAWEI:
 139         case CONNMAN_DEVICE_TYPE_NOVATEL:
 140                 return "Cellular";
 141         }
 142
 143         return NULL;
 144 }
 145
 146 static const char *type2string(enum connman_device_type type)
 147 {
 148         switch (type) {
 149         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 150         case CONNMAN_DEVICE_TYPE_VENDOR:
 151                 break;
 152         case CONNMAN_DEVICE_TYPE_ETHERNET:
 153                 return "ethernet";
 154         case CONNMAN_DEVICE_TYPE_WIFI:
 155                 return "wifi";
 156         case CONNMAN_DEVICE_TYPE_WIMAX:
 157                 return "wimax";
 158         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 159                 return "bluetooth";
 160         case CONNMAN_DEVICE_TYPE_GPS:
 161                 return "gps";
 162         case CONNMAN_DEVICE_TYPE_MBM:
 163         case CONNMAN_DEVICE_TYPE_CELLULAR:
 164         case CONNMAN_DEVICE_TYPE_HSO:
 165         case CONNMAN_DEVICE_TYPE_HUAWEI:
 166         case CONNMAN_DEVICE_TYPE_NOZOMI:
 167         case CONNMAN_DEVICE_TYPE_NOVATEL:
 168                 return "cellular";
 169         }
 170
 171         return NULL;
 172 }
 173
 174 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 175 {
 176         enum connman_device_type type = connman_device_get_type(device);
 177
 178         switch (type) {
 179         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 180         case CONNMAN_DEVICE_TYPE_VENDOR:
 181         case CONNMAN_DEVICE_TYPE_GPS:
 182         case CONNMAN_DEVICE_TYPE_NOZOMI:
 183         case CONNMAN_DEVICE_TYPE_HUAWEI:
 184         case CONNMAN_DEVICE_TYPE_NOVATEL:
 185                 break;
 186         case CONNMAN_DEVICE_TYPE_ETHERNET:
 187                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 188         case CONNMAN_DEVICE_TYPE_WIFI:
 189                 return CONNMAN_SERVICE_TYPE_WIFI;
 190         case CONNMAN_DEVICE_TYPE_WIMAX:
 191                 return CONNMAN_SERVICE_TYPE_WIMAX;
 192         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 193                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 194         case CONNMAN_DEVICE_TYPE_MBM:
 195         case CONNMAN_DEVICE_TYPE_CELLULAR:
 196         case CONNMAN_DEVICE_TYPE_HSO:
 197                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 198         }
 199
 200         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 201 }
 202
 203 static int set_connected(struct connman_device *device,
 204                                                 connman_bool_t connected)
 205 {
 206         if (connected == TRUE) {
 207                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 208                 struct connman_element *element;
 209
 210                 device->disconnected = TRUE;
 211
 212                 switch (device->element.ipv4.method) {
 213                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 214                 case CONNMAN_IPCONFIG_METHOD_IGNORE:
 215                         return 0;
 216                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 217                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 218                         break;
 219                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 220                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 221                         break;
 222                 }
 223
 224                 element = connman_element_create(NULL);
 225                 if (element != NULL) {
 226                         struct connman_service *service;
 227
 228                         element->type  = type;
 229                         element->index = device->element.index;
 230
 231                         if (connman_element_register(element,
 232                                                         &device->element) < 0)
 233                                 connman_element_unref(element);
 234
 235                         device->disconnected = FALSE;
 236
 237                         service = __connman_service_lookup_from_device(device);
 238                         __connman_service_indicate_state(service,
 239                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 240                 }
 241         } else {
 242                 struct connman_service *service;
 243
 244                 connman_element_unregister_children(&device->element);
 245
 246                 device->disconnected = TRUE;
 247
 248                 service = __connman_service_lookup_from_device(device);
 249                 __connman_service_indicate_state(service,
 250                                         CONNMAN_SERVICE_STATE_IDLE);
 251         }
 252
 253         if (connected == TRUE) {
 254                 enum connman_service_type type;
 255
 256                 type = __connman_device_get_service_type(device);
 257                 __connman_notifier_connect(type);
 258         } else {
 259                 enum connman_service_type type;
 260
 261                 type = __connman_device_get_service_type(device);
 262                 __connman_notifier_disconnect(type);
 263         }
 264
 265         return 0;
 266 }
 267
 268 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 269 {
 270         if (carrier == TRUE)
 271                 __connman_profile_add_device(device);
 272         else
 273                 __connman_profile_remove_device(device);
 274
 275         return set_connected(device, carrier);
 276 }
 277
 278 static int powered_changed(struct connman_device *device)
 279 {
 280         DBusMessage *signal;
 281         DBusMessageIter entry, value;
 282         const char *key = "Powered";
 283
 284         signal = dbus_message_new_signal(device->element.path,
 285                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 286         if (signal == NULL)
 287                 return -ENOMEM;
 288
 289         dbus_message_iter_init_append(signal, &entry);
 290
 291         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 292
 293         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 294                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 295         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 296                                                         &device->powered);
 297         dbus_message_iter_close_container(&entry, &value);
 298
 299         g_dbus_send_message(connection, signal);
 300
 301         return 0;
 302 }
 303
 304 static int set_powered(struct connman_device *device, connman_bool_t powered)
 305 {
 306         struct connman_device_driver *driver = device->driver;
 307         enum connman_service_type type;
 308         int err;
 309
 310         DBG("device %p powered %d", device, powered);
 311
 312         if (device->powered_pending == powered)
 313                 return -EALREADY;
 314
 315         if (!driver)
 316                 return -EINVAL;
 317
 318         type = __connman_device_get_service_type(device);
 319
 320         if (powered == TRUE) {
 321                 if (driver->enable) {
 322                         device->powered_pending = powered;
 323
 324                         err = driver->enable(device);
 325                         if (err == 0)
 326                                 __connman_notifier_enable(type);
 327                 } else
 328                         err = -EINVAL;
 329         } else {
 330                 device->powered_pending = powered;
 331
 332                 device->reconnect = FALSE;
 333
 334                 clear_scan_trigger(device);
 335
 336                 g_hash_table_remove_all(device->networks);
 337
 338                 set_carrier(device, FALSE);
 339
 340                 if (driver->disable) {
 341                         err = driver->disable(device);
 342                         if (err == 0)
 343                                 __connman_notifier_disable(type);
 344                 } else
 345                         err = -EINVAL;
 346         }
 347
 348         if (err == 0) {
 349                 device->powered = powered;
 350
 351                 if (device->registered == TRUE)
 352                         powered_changed(device);
 353         }
 354
 355         return err;
 356 }
 357
 358 static void append_path(gpointer key, gpointer value, gpointer user_data)
 359 {
 360         struct connman_element *element = value;
 361         DBusMessageIter *iter = user_data;
 362
 363         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 364                                                         &element->path);
 365 }
 366
 367 static void append_networks(struct connman_device *device,
 368                                                 DBusMessageIter *entry)
 369 {
 370         DBusMessageIter value, iter;
 371         const char *key = "Networks";
 372
 373         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 374
 375         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 376                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 377                                                                 &value);
 378
 379         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 380                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 381         g_hash_table_foreach(device->networks, append_path, &iter);
 382         dbus_message_iter_close_container(&value, &iter);
 383
 384         dbus_message_iter_close_container(entry, &value);
 385 }
 386
 387 static DBusMessage *get_properties(DBusConnection *conn,
 388                                         DBusMessage *msg, void *data)
 389 {
 390         struct connman_device *device = data;
 391         DBusMessage *reply;
 392         DBusMessageIter array, dict, entry;
 393         const char *str;
 394
 395         DBG("conn %p", conn);
 396
 397         if (__connman_security_check_privilege(msg,
 398                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 399                 return __connman_error_permission_denied(msg);
 400
 401         reply = dbus_message_new_method_return(msg);
 402         if (reply == NULL)
 403                 return NULL;
 404
 405         dbus_message_iter_init_append(reply, &array);
 406
 407         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 408                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 409                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 410                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 411
 412         if (device->name != NULL)
 413                 connman_dbus_dict_append_variant(&dict, "Name",
 414                                         DBUS_TYPE_STRING, &device->name);
 415
 416         str = type2string(device->type);
 417         if (str != NULL)
 418                 connman_dbus_dict_append_variant(&dict, "Type",
 419                                                 DBUS_TYPE_STRING, &str);
 420
 421         if (device->address != NULL)
 422                 connman_dbus_dict_append_variant(&dict, "Address",
 423                                         DBUS_TYPE_STRING, &device->address);
 424
 425         if (device->interface != NULL)
 426                 connman_dbus_dict_append_variant(&dict, "Interface",
 427                                         DBUS_TYPE_STRING, &device->interface);
 428
 429         connman_dbus_dict_append_variant(&dict, "Powered",
 430                                         DBUS_TYPE_BOOLEAN, &device->powered);
 431
 432         if (device->driver && device->driver->scan)
 433                 connman_dbus_dict_append_variant(&dict, "Scanning",
 434                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 435
 436         switch (device->mode) {
 437         case CONNMAN_DEVICE_MODE_UNKNOWN:
 438                 break;
 439         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 440                 __connman_element_append_ipv4(&device->element, &dict);
 441                 break;
 442         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 443         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 444                 if (device->scan_interval > 0)
 445                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 446                                 DBUS_TYPE_UINT16, &device->scan_interval);
 447
 448                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 449                                                                 NULL, &entry);
 450                 append_networks(device, &entry);
 451                 dbus_message_iter_close_container(&dict, &entry);
 452                 break;
 453         }
 454
 455         dbus_message_iter_close_container(&array, &dict);
 456
 457         return reply;
 458 }
 459
 460 static gboolean powered_timeout(gpointer user_data)
 461 {
 462         struct connman_device *device = user_data;
 463
 464         DBG("device %p", device);
 465
 466         device->timeout = 0;
 467
 468         if (device->pending != NULL) {
 469                 DBusMessage *reply;
 470
 471                 reply = __connman_error_operation_timeout(device->pending);
 472                 if (reply != NULL)
 473                         g_dbus_send_message(connection, reply);
 474
 475                 dbus_message_unref(device->pending);
 476                 device->pending = NULL;
 477         }
 478
 479         return FALSE;
 480 }
 481
 482 static DBusMessage *set_property(DBusConnection *conn,
 483                                         DBusMessage *msg, void *data)
 484 {
 485         struct connman_device *device = data;
 486         DBusMessageIter iter, value;
 487         const char *name;
 488         int type;
 489
 490         DBG("conn %p", conn);
 491
 492         if (dbus_message_iter_init(msg, &iter) == FALSE)
 493                 return __connman_error_invalid_arguments(msg);
 494
 495         dbus_message_iter_get_basic(&iter, &name);
 496         dbus_message_iter_next(&iter);
 497         dbus_message_iter_recurse(&iter, &value);
 498
 499         if (__connman_security_check_privilege(msg,
 500                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 501                 return __connman_error_permission_denied(msg);
 502
 503         type = dbus_message_iter_get_arg_type(&value);
 504
 505         if (g_str_equal(name, "Powered") == TRUE) {
 506                 connman_bool_t powered;
 507                 int err;
 508
 509                 if (type != DBUS_TYPE_BOOLEAN)
 510                         return __connman_error_invalid_arguments(msg);
 511
 512                 dbus_message_iter_get_basic(&value, &powered);
 513
 514                 device->powered_persistent = powered;
 515
 516                 __connman_storage_save_device(device);
 517
 518                 if (device->powered == powered)
 519                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 520
 521                 if (device->pending != NULL)
 522                         return __connman_error_in_progress(msg);
 523
 524                 err = set_powered(device, powered);
 525                 if (err < 0) {
 526                         if (err != -EINPROGRESS)
 527                                 return __connman_error_failed(msg, -err);
 528
 529                         device->pending = dbus_message_ref(msg);
 530
 531                         device->timeout = g_timeout_add_seconds(15,
 532                                                 powered_timeout, device);
 533
 534                         return NULL;
 535                 }
 536         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 537                 connman_uint16_t interval;
 538
 539                 switch (device->mode) {
 540                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 541                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 542                         return __connman_error_invalid_arguments(msg);
 543                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 544                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 545                         break;
 546                 }
 547
 548                 if (type != DBUS_TYPE_UINT16)
 549                         return __connman_error_invalid_arguments(msg);
 550
 551                 dbus_message_iter_get_basic(&value, &interval);
 552
 553                 if (device->scan_interval != interval) {
 554                         device->scan_interval = interval;
 555
 556                         __connman_storage_save_device(device);
 557
 558                         reset_scan_trigger(device);
 559                 }
 560         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 561                 int err;
 562
 563                 if (device->ipconfig == NULL)
 564                         return __connman_error_invalid_property(msg);
 565
 566                 switch (device->mode) {
 567                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 568                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 569                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 570                         return __connman_error_invalid_arguments(msg);
 571                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 572                         break;
 573                 }
 574
 575                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 576                                                         name + 5, &value);
 577                 if (err < 0)
 578                         return __connman_error_failed(msg, -err);
 579         } else
 580                 return __connman_error_invalid_property(msg);
 581
 582         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 583 }
 584
 585 static DBusMessage *propose_scan(DBusConnection *conn,
 586                                         DBusMessage *msg, void *data)
 587 {
 588         struct connman_device *device = data;
 589         int err;
 590
 591         DBG("conn %p", conn);
 592
 593         switch (device->mode) {
 594         case CONNMAN_DEVICE_MODE_UNKNOWN:
 595         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 596                 return __connman_error_not_supported(msg);
 597         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 598         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 599                 break;
 600         }
 601
 602         err = __connman_device_scan(device);
 603         if (err < 0)
 604                 return __connman_error_failed(msg, -err);
 605
 606         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 607 }
 608
 609 static GDBusMethodTable device_methods[] = {
 610         { "GetProperties", "",      "a{sv}", get_properties },
 611         { "SetProperty",   "sv",    "",      set_property,
 612                                                 G_DBUS_METHOD_FLAG_ASYNC },
 613         { "ProposeScan",   "",      "",      propose_scan   },
 614         { },
 615 };
 616
 617 static GDBusSignalTable device_signals[] = {
 618         { "PropertyChanged", "sv" },
 619         { },
 620 };
 621
 622 static void append_devices(DBusMessageIter *entry)
 623 {
 624         DBusMessageIter value, iter;
 625         const char *key = "Devices";
 626
 627         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 628
 629         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 630                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 631                                                                 &value);
 632
 633         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 634                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 635         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 636         dbus_message_iter_close_container(&value, &iter);
 637
 638         dbus_message_iter_close_container(entry, &value);
 639 }
 640
 641 static void emit_devices_signal(void)
 642 {
 643         DBusMessage *signal;
 644         DBusMessageIter entry;
 645
 646         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 647                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 648         if (signal == NULL)
 649                 return;
 650
 651         dbus_message_iter_init_append(signal, &entry);
 652
 653         append_devices(&entry);
 654
 655         g_dbus_send_message(connection, signal);
 656 }
 657
 658 static int register_interface(struct connman_element *element)
 659 {
 660         struct connman_device *device = element->device;
 661
 662         DBG("element %p name %s", element, element->name);
 663
 664         if (g_dbus_register_interface(connection, element->path,
 665                                         CONNMAN_DEVICE_INTERFACE,
 666                                         device_methods, device_signals,
 667                                         NULL, device, NULL) == FALSE) {
 668                 connman_error("Failed to register %s device", element->path);
 669                 return -EIO;
 670         }
 671
 672         device->registered = TRUE;
 673
 674         emit_devices_signal();
 675
 676         return 0;
 677 }
 678
 679 static void unregister_interface(struct connman_element *element)
 680 {
 681         struct connman_device *device = element->device;
 682
 683         DBG("element %p name %s", element, element->name);
 684
 685         device->registered = FALSE;
 686
 687         emit_devices_signal();
 688
 689         g_dbus_unregister_interface(connection, element->path,
 690                                                 CONNMAN_DEVICE_INTERFACE);
 691 }
 692
 693 static int setup_device(struct connman_device *device)
 694 {
 695         enum connman_service_type type;
 696         int err;
 697
 698         DBG("device %p", device);
 699
 700         err = register_interface(&device->element);
 701         if (err < 0) {
 702                 if (device->driver->remove)
 703                         device->driver->remove(device);
 704                 device->driver = NULL;
 705                 return err;
 706         }
 707
 708         type = __connman_device_get_service_type(device);
 709         __connman_notifier_register(type);
 710
 711         switch (device->mode) {
 712         case CONNMAN_DEVICE_MODE_UNKNOWN:
 713         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 714         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 715                 break;
 716         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 717                 if (device->carrier == TRUE && device->secondary == FALSE)
 718                         __connman_profile_add_device(device);
 719                 break;
 720         }
 721
 722         if (device->offlinemode == FALSE &&
 723                                 device->powered_persistent == TRUE)
 724                 __connman_device_enable(device);
 725
 726         return 0;
 727 }
 728
 729 static void probe_driver(struct connman_element *element, gpointer user_data)
 730 {
 731         struct connman_device_driver *driver = user_data;
 732
 733         DBG("element %p name %s", element, element->name);
 734
 735         if (element->device == NULL)
 736                 return;
 737
 738         if (element->device->driver != NULL)
 739                 return;
 740
 741         if (driver->type != element->device->type)
 742                 return;
 743
 744         if (driver->probe(element->device) < 0)
 745                 return;
 746
 747         element->device->driver = driver;
 748
 749         setup_device(element->device);
 750 }
 751
 752 static void remove_device(struct connman_device *device)
 753 {
 754         enum connman_service_type type;
 755
 756         DBG("device %p", device);
 757
 758         __connman_device_disable(device);
 759
 760         switch (device->mode) {
 761         case CONNMAN_DEVICE_MODE_UNKNOWN:
 762         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 763         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 764                 break;
 765         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 766                 if (device->secondary == FALSE)
 767                         __connman_profile_remove_device(device);
 768                 break;
 769         }
 770
 771         type = __connman_device_get_service_type(device);
 772         __connman_notifier_unregister(type);
 773
 774         unregister_interface(&device->element);
 775
 776         if (device->driver->remove)
 777                 device->driver->remove(device);
 778
 779         device->driver = NULL;
 780 }
 781
 782 static void remove_driver(struct connman_element *element, gpointer user_data)
 783 {
 784         struct connman_device_driver *driver = user_data;
 785
 786         DBG("element %p name %s", element, element->name);
 787
 788         if (element->device == NULL)
 789                 return;
 790
 791         if (element->device->driver == driver)
 792                 remove_device(element->device);
 793 }
 794
 795 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 796 {
 797         if (device == NULL || device->driver == NULL)
 798                 return FALSE;
 799
 800         return device->registered;
 801 }
 802
 803 static GSList *driver_list = NULL;
 804
 805 static gint compare_priority(gconstpointer a, gconstpointer b)
 806 {
 807         const struct connman_device_driver *driver1 = a;
 808         const struct connman_device_driver *driver2 = b;
 809
 810         return driver2->priority - driver1->priority;
 811 }
 812
 813 /**
 814  * connman_device_driver_register:
 815  * @driver: device driver definition
 816  *
 817  * Register a new device driver
 818  *
 819  * Returns: %0 on success
 820  */
 821 int connman_device_driver_register(struct connman_device_driver *driver)
 822 {
 823         DBG("driver %p name %s", driver, driver->name);
 824
 825         driver_list = g_slist_insert_sorted(driver_list, driver,
 826                                                         compare_priority);
 827
 828         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 829                                                 probe_driver, driver);
 830
 831         return 0;
 832 }
 833
 834 /**
 835  * connman_device_driver_unregister:
 836  * @driver: device driver definition
 837  *
 838  * Remove a previously registered device driver
 839  */
 840 void connman_device_driver_unregister(struct connman_device_driver *driver)
 841 {
 842         DBG("driver %p name %s", driver, driver->name);
 843
 844         driver_list = g_slist_remove(driver_list, driver);
 845
 846         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 847                                                 remove_driver, driver);
 848 }
 849
 850 static void unregister_network(gpointer data)
 851 {
 852         struct connman_network *network = data;
 853
 854         DBG("network %p", network);
 855
 856         connman_element_unregister((struct connman_element *) network);
 857
 858         connman_network_unref(network);
 859 }
 860
 861 static void device_destruct(struct connman_element *element)
 862 {
 863         struct connman_device *device = element->device;
 864
 865         DBG("element %p name %s", element, element->name);
 866
 867         if (device->timeout > 0) {
 868                 g_source_remove(device->timeout);
 869                 device->timeout = 0;
 870         }
 871
 872         clear_scan_trigger(device);
 873
 874         if (device->pending != NULL) {
 875                 dbus_message_unref(device->pending);
 876                 device->pending = NULL;
 877         }
 878
 879         g_free(device->ident);
 880         g_free(device->node);
 881         g_free(device->name);
 882         g_free(device->address);
 883         g_free(device->control);
 884         g_free(device->interface);
 885
 886         if (device->ipconfig != NULL) {
 887                 connman_ipconfig_unref(device->ipconfig);
 888                 device->ipconfig = NULL;
 889         }
 890
 891         g_free(device->last_network);
 892
 893         g_hash_table_destroy(device->networks);
 894         device->networks = NULL;
 895 }
 896
 897 /**
 898  * connman_device_create:
 899  * @node: device node name (for example an address)
 900  * @type: device type
 901  *
 902  * Allocate a new device of given #type and assign the #node name to it.
 903  *
 904  * Returns: a newly-allocated #connman_device structure
 905  */
 906 struct connman_device *connman_device_create(const char *node,
 907                                                 enum connman_device_type type)
 908 {
 909         struct connman_device *device;
 910         const char *str;
 911
 912         DBG("node %s type %d", node, type);
 913
 914         device = g_try_new0(struct connman_device, 1);
 915         if (device == NULL)
 916                 return NULL;
 917
 918         DBG("device %p", device);
 919
 920         __connman_element_initialize(&device->element);
 921
 922         device->element.name = g_strdup(node);
 923         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 924
 925         device->element.device = device;
 926         device->element.destruct = device_destruct;
 927
 928         str = type2string(type);
 929         if (str != NULL)
 930                 connman_element_set_string(&device->element,
 931                                         CONNMAN_PROPERTY_ID_TYPE, str);
 932
 933         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 934
 935         device->type      = type;
 936         device->name      = g_strdup(type2description(device->type));
 937         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 938         device->secondary = FALSE;
 939
 940         device->powered_persistent = TRUE;
 941
 942         device->phyindex = -1;
 943
 944         switch (type) {
 945         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 946         case CONNMAN_DEVICE_TYPE_VENDOR:
 947                 device->scan_interval = 0;
 948                 break;
 949         case CONNMAN_DEVICE_TYPE_ETHERNET:
 950         case CONNMAN_DEVICE_TYPE_WIFI:
 951                 device->scan_interval = 300;
 952                 break;
 953         case CONNMAN_DEVICE_TYPE_WIMAX:
 954                 device->scan_interval = 0;
 955                 break;
 956         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 957                 device->scan_interval = 0;
 958                 break;
 959         case CONNMAN_DEVICE_TYPE_GPS:
 960                 device->scan_interval = 0;
 961                 break;
 962         case CONNMAN_DEVICE_TYPE_MBM:
 963         case CONNMAN_DEVICE_TYPE_CELLULAR:
 964         case CONNMAN_DEVICE_TYPE_HSO:
 965         case CONNMAN_DEVICE_TYPE_NOZOMI:
 966         case CONNMAN_DEVICE_TYPE_HUAWEI:
 967         case CONNMAN_DEVICE_TYPE_NOVATEL:
 968                 device->scan_interval = 0;
 969                 break;
 970         }
 971
 972         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 973                                                 g_free, unregister_network);
 974
 975         return device;
 976 }
 977
 978 /**
 979  * connman_device_ref:
 980  * @device: device structure
 981  *
 982  * Increase reference counter of device
 983  */
 984 struct connman_device *connman_device_ref(struct connman_device *device)
 985 {
 986         if (connman_element_ref(&device->element) == NULL)
 987                 return NULL;
 988
 989         return device;
 990 }
 991
 992 /**
 993  * connman_device_unref:
 994  * @device: device structure
 995  *
 996  * Decrease reference counter of device
 997  */
 998 void connman_device_unref(struct connman_device *device)
 999 {
1000         connman_element_unref(&device->element);
1001 }
1002
1003 const char *__connman_device_get_type(struct connman_device *device)
1004 {
1005         return type2string(device->type);
1006 }
1007
1008 /**
1009  * connman_device_get_type:
1010  * @device: device structure
1011  *
1012  * Get type of device
1013  */
1014 enum connman_device_type connman_device_get_type(struct connman_device *device)
1015 {
1016         return device->type;
1017 }
1018
1019 /**
1020  * connman_device_get_name:
1021  * @device: device structure
1022  *
1023  * Get unique name of device
1024  */
1025 const char *connman_device_get_name(struct connman_device *device)
1026 {
1027         return device->element.name;
1028 }
1029
1030 /**
1031  * connman_device_get_path:
1032  * @device: device structure
1033  *
1034  * Get path name of device
1035  */
1036 const char *connman_device_get_path(struct connman_device *device)
1037 {
1038         return device->element.path;
1039 }
1040
1041 /**
1042  * connman_device_set_index:
1043  * @device: device structure
1044  * @index: index number
1045  *
1046  * Set index number of device
1047  */
1048 void connman_device_set_index(struct connman_device *device, int index)
1049 {
1050         device->element.index = index;
1051
1052         if (device->ipconfig != NULL) {
1053                 if (index == connman_ipconfig_get_index(device->ipconfig))
1054                         return;
1055
1056                 connman_ipconfig_unref(device->ipconfig);
1057         }
1058
1059         device->ipconfig = connman_ipconfig_create(index);
1060 }
1061
1062 /**
1063  * connman_device_get_index:
1064  * @device: device structure
1065  *
1066  * Get index number of device
1067  */
1068 int connman_device_get_index(struct connman_device *device)
1069 {
1070         return device->element.index;
1071 }
1072
1073 int __connman_device_get_phyindex(struct connman_device *device)
1074 {
1075         return device->phyindex;
1076 }
1077
1078 void __connman_device_set_phyindex(struct connman_device *device,
1079                                                         int phyindex)
1080 {
1081         device->phyindex = phyindex;
1082 }
1083
1084 /**
1085  * connman_device_set_interface:
1086  * @device: device structure
1087  * @interface: interface name
1088  * @control: control interface
1089  *
1090  * Set interface name of device
1091  */
1092 void connman_device_set_interface(struct connman_device *device,
1093                                 const char *interface, const char *control)
1094 {
1095         g_free(device->element.devname);
1096         device->element.devname = g_strdup(interface);
1097
1098         g_free(device->interface);
1099         device->interface = g_strdup(interface);
1100
1101         g_free(device->control);
1102         device->control = g_strdup(control);
1103
1104         if (device->name == NULL) {
1105                 const char *str = type2description(device->type);
1106                 if (str != NULL && device->interface != NULL)
1107                         device->name = g_strdup_printf("%s (%s)", str,
1108                                                         device->interface);
1109         }
1110 }
1111
1112 const char *connman_device_get_control(struct connman_device *device)
1113 {
1114         return device->control;
1115 }
1116
1117 /**
1118  * connman_device_set_ident:
1119  * @device: device structure
1120  * @ident: unique identifier
1121  *
1122  * Set unique identifier of device
1123  */
1124 void connman_device_set_ident(struct connman_device *device,
1125                                                         const char *ident)
1126 {
1127         g_free(device->ident);
1128         device->ident = g_strdup(ident);
1129 }
1130
1131 const char *__connman_device_get_ident(struct connman_device *device)
1132 {
1133         return device->ident;
1134 }
1135
1136 /**
1137  * connman_device_set_mode:
1138  * @device: device structure
1139  * @mode: network mode
1140  *
1141  * Change network mode of device
1142  */
1143 void connman_device_set_mode(struct connman_device *device,
1144                                                 enum connman_device_mode mode)
1145 {
1146         device->mode = mode;
1147 }
1148
1149 /**
1150  * connman_device_get_mode:
1151  * @device: device structure
1152  *
1153  * Get network mode of device
1154  */
1155 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1156 {
1157         return device->mode;
1158 }
1159
1160 /**
1161  * connman_device_set_secondary:
1162  * @device: device structure
1163  * @secondary: secondary value
1164  *
1165  * Change secondary value of device
1166  */
1167 void connman_device_set_secondary(struct connman_device *device,
1168                                                 connman_bool_t secondary)
1169 {
1170         device->secondary = secondary;
1171 }
1172
1173 /**
1174  * connman_device_get_secondary:
1175  * @device: device structure
1176  *
1177  * Get secondary value of device
1178  */
1179 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1180 {
1181         return device->secondary;
1182 }
1183
1184 /**
1185  * connman_device_set_powered:
1186  * @device: device structure
1187  * @powered: powered state
1188  *
1189  * Change power state of device
1190  */
1191 int connman_device_set_powered(struct connman_device *device,
1192                                                 connman_bool_t powered)
1193 {
1194         enum connman_service_type type;
1195
1196         DBG("driver %p powered %d", device, powered);
1197
1198         if (device->timeout > 0) {
1199                 g_source_remove(device->timeout);
1200                 device->timeout = 0;
1201         }
1202
1203         if (device->pending != NULL) {
1204                 g_dbus_send_reply(connection, device->pending,
1205                                                         DBUS_TYPE_INVALID);
1206
1207                 dbus_message_unref(device->pending);
1208                 device->pending = NULL;
1209         }
1210
1211         if (device->powered == powered)
1212                 return -EALREADY;
1213
1214         device->powered = powered;
1215         device->powered_pending = powered;
1216
1217         type = __connman_device_get_service_type(device);
1218
1219         if (device->powered == TRUE)
1220                 __connman_notifier_enable(type);
1221         else
1222                 __connman_notifier_disable(type);
1223
1224         if (device->registered == FALSE)
1225                 return 0;
1226
1227         powered_changed(device);
1228
1229         if (powered == FALSE)
1230                 return 0;
1231
1232         reset_scan_trigger(device);
1233
1234         if (device->driver->scan)
1235                 device->driver->scan(device);
1236
1237         return 0;
1238 }
1239
1240 int __connman_device_set_blocked(struct connman_device *device,
1241                                                 connman_bool_t blocked)
1242 {
1243         connman_bool_t powered;
1244
1245         DBG("device %p blocked %d", device, blocked);
1246
1247         device->blocked = blocked;
1248
1249         if (device->offlinemode == TRUE)
1250                 return 0;
1251
1252         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1253
1254         if (blocked == FALSE)
1255                 powered = device->powered_persistent;
1256         else
1257                 powered = FALSE;
1258
1259         return set_powered(device, powered);
1260 }
1261
1262 /**
1263  * connman_device_set_carrier:
1264  * @device: device structure
1265  * @carrier: carrier state
1266  *
1267  * Change carrier state of device (only for device without scanning)
1268  */
1269 int connman_device_set_carrier(struct connman_device *device,
1270                                                 connman_bool_t carrier)
1271 {
1272         DBG("device %p carrier %d", device, carrier);
1273
1274         switch (device->mode) {
1275         case CONNMAN_DEVICE_MODE_UNKNOWN:
1276         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1277         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1278                 return -EINVAL;
1279         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1280                 break;
1281         }
1282
1283         if (device->carrier == carrier)
1284                 return -EALREADY;
1285
1286         device->carrier = carrier;
1287
1288         return set_carrier(device, device->carrier);
1289 }
1290
1291 int __connman_device_scan(struct connman_device *device)
1292 {
1293         if (!device->driver || !device->driver->scan)
1294                 return -EOPNOTSUPP;
1295
1296         if (device->powered == FALSE)
1297                 return -ENOLINK;
1298
1299         reset_scan_trigger(device);
1300
1301         return device->driver->scan(device);
1302 }
1303
1304 int __connman_device_enable(struct connman_device *device)
1305 {
1306         enum connman_service_type type;
1307         int err;
1308
1309         DBG("device %p", device);
1310
1311         if (!device->driver || !device->driver->enable)
1312                 return -EOPNOTSUPP;
1313
1314         if (device->powered_pending == TRUE)
1315                 return -EALREADY;
1316
1317         device->powered_pending = TRUE;
1318
1319         err = device->driver->enable(device);
1320         if (err < 0)
1321                 return err;
1322
1323         device->powered = TRUE;
1324
1325         type = __connman_device_get_service_type(device);
1326         __connman_notifier_enable(type);
1327
1328         return 0;
1329 }
1330
1331 int __connman_device_enable_persistent(struct connman_device *device)
1332 {
1333         DBG("device %p", device);
1334
1335         device->powered_persistent = TRUE;
1336
1337         __connman_storage_save_device(device);
1338
1339         return __connman_device_enable(device);
1340 }
1341
1342 int __connman_device_disable(struct connman_device *device)
1343 {
1344         enum connman_service_type type;
1345         int err;
1346
1347         DBG("device %p", device);
1348
1349         if (!device->driver || !device->driver->disable)
1350                 return -EOPNOTSUPP;
1351
1352         if (device->powered == FALSE)
1353                 return -ENOLINK;
1354
1355         if (device->powered_pending == FALSE)
1356                 return -EALREADY;
1357
1358         device->powered_pending = FALSE;
1359
1360         device->reconnect = FALSE;
1361
1362         clear_scan_trigger(device);
1363
1364         g_hash_table_remove_all(device->networks);
1365
1366         err = device->driver->disable(device);
1367         if (err < 0)
1368                 return err;
1369
1370         device->powered = FALSE;
1371
1372         type = __connman_device_get_service_type(device);
1373         __connman_notifier_disable(type);
1374
1375         return 0;
1376 }
1377
1378 int __connman_device_disable_persistent(struct connman_device *device)
1379 {
1380         DBG("device %p", device);
1381
1382         device->powered_persistent = FALSE;
1383
1384         __connman_storage_save_device(device);
1385
1386         return __connman_device_disable(device);
1387 }
1388
1389 int __connman_device_connect(struct connman_device *device)
1390 {
1391         DBG("device %p", device);
1392
1393         if (device->disconnected == FALSE)
1394                 return -EINVAL;
1395
1396         if (device->driver && device->driver->connect)
1397                 device->driver->connect(device);
1398
1399         return 0;
1400 }
1401
1402 int __connman_device_disconnect(struct connman_device *device)
1403 {
1404         GHashTableIter iter;
1405         gpointer key, value;
1406
1407         DBG("device %p", device);
1408
1409         connman_device_set_disconnected(device, TRUE);
1410
1411         g_hash_table_iter_init(&iter, device->networks);
1412
1413         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1414                 struct connman_network *network = value;
1415
1416                 __connman_network_disconnect(network);
1417         }
1418
1419         if (device->driver && device->driver->disconnect)
1420                 device->driver->disconnect(device);
1421
1422         return 0;
1423 }
1424
1425 static void mark_network_unavailable(gpointer key, gpointer value,
1426                                                         gpointer user_data)
1427 {
1428         struct connman_network *network = value;
1429
1430         if (connman_network_get_connected(network) == TRUE)
1431                 return;
1432
1433         connman_network_set_available(network, FALSE);
1434 }
1435
1436 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1437                                                         gpointer user_data)
1438 {
1439         struct connman_network *network = value;
1440
1441         if (connman_network_get_connected(network) == TRUE)
1442                 return FALSE;
1443
1444         if (connman_network_get_available(network) == TRUE)
1445                 return FALSE;
1446
1447         return TRUE;
1448 }
1449
1450 void __connman_device_cleanup_networks(struct connman_device *device)
1451 {
1452         g_hash_table_foreach_remove(device->networks,
1453                                         remove_unavailable_network, NULL);
1454 }
1455
1456 static void scanning_changed(struct connman_device *device)
1457 {
1458         DBusMessage *signal;
1459         DBusMessageIter entry, value;
1460         const char *key = "Scanning";
1461
1462         signal = dbus_message_new_signal(device->element.path,
1463                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1464         if (signal == NULL)
1465                 return;
1466
1467         dbus_message_iter_init_append(signal, &entry);
1468
1469         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1470
1471         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1472                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1473         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
1474                                                         &device->scanning);
1475         dbus_message_iter_close_container(&entry, &value);
1476
1477         g_dbus_send_message(connection, signal);
1478 }
1479
1480 static void mark_network_available(gpointer key, gpointer value,
1481                                                 gpointer user_data)
1482 {
1483         struct connman_network *network = value;
1484
1485         connman_network_set_available(network, TRUE);
1486 }
1487
1488 void connman_device_cleanup_scanning(struct connman_device *device)
1489 {
1490         device->scanning = FALSE;
1491
1492         scanning_changed(device);
1493
1494         g_hash_table_foreach(device->networks,
1495                                 mark_network_available, NULL);
1496 }
1497
1498 /**
1499  * connman_device_set_scanning:
1500  * @device: device structure
1501  * @scanning: scanning state
1502  *
1503  * Change scanning state of device
1504  */
1505 int connman_device_set_scanning(struct connman_device *device,
1506                                                 connman_bool_t scanning)
1507 {
1508         DBG("device %p scanning %d", device, scanning);
1509
1510         if (!device->driver || !device->driver->scan)
1511                 return -EINVAL;
1512
1513         if (device->scanning == scanning)
1514                 return -EALREADY;
1515
1516         device->scanning = scanning;
1517
1518         scanning_changed(device);
1519
1520         if (scanning == TRUE) {
1521                 reset_scan_trigger(device);
1522
1523                 g_hash_table_foreach(device->networks,
1524                                         mark_network_unavailable, NULL);
1525
1526                 return 0;
1527         }
1528
1529         __connman_device_cleanup_networks(device);
1530
1531         if (device->connections > 0)
1532                 return 0;
1533
1534         if (device->disconnected == TRUE)
1535                 return 0;
1536
1537         __connman_service_auto_connect();
1538
1539         return 0;
1540 }
1541
1542 /**
1543  * connman_device_set_disconnected:
1544  * @device: device structure
1545  * @disconnected: disconnected state
1546  *
1547  * Change disconnected state of device (only for device with networks)
1548  */
1549 int connman_device_set_disconnected(struct connman_device *device,
1550                                                 connman_bool_t disconnected)
1551 {
1552         DBG("device %p disconnected %d", device, disconnected);
1553
1554         switch (device->mode) {
1555         case CONNMAN_DEVICE_MODE_UNKNOWN:
1556         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1557                 return -EINVAL;
1558         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1559         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1560                 break;
1561         }
1562
1563         if (device->disconnected == disconnected)
1564                 return -EALREADY;
1565
1566         device->disconnected = disconnected;
1567
1568         if (disconnected == TRUE)
1569                 force_scan_trigger(device);
1570
1571         return 0;
1572 }
1573
1574 /**
1575  * connman_device_get_disconnected:
1576  * @device: device structure
1577  *
1578  * Get device disconnected state
1579  */
1580 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1581 {
1582         return device->disconnected;
1583 }
1584
1585 /**
1586  * connman_device_set_connected:
1587  * @device: device structure
1588  * @connected: connected state
1589  *
1590  * Change connected state of device (for Ethernet like devices)
1591  */
1592 int connman_device_set_connected(struct connman_device *device,
1593                                                 connman_bool_t connected)
1594 {
1595         DBG("device %p connected %d", device, connected);
1596
1597         switch (device->mode) {
1598         case CONNMAN_DEVICE_MODE_UNKNOWN:
1599         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1600         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1601                 return -EINVAL;
1602         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1603                 break;
1604         }
1605
1606         if (device->carrier == FALSE)
1607                 return -ENOTCONN;
1608
1609         return set_connected(device, connected);
1610 }
1611
1612 /**
1613  * connman_device_set_string:
1614  * @device: device structure
1615  * @key: unique identifier
1616  * @value: string value
1617  *
1618  * Set string value for specific key
1619  */
1620 int connman_device_set_string(struct connman_device *device,
1621                                         const char *key, const char *value)
1622 {
1623         DBG("device %p key %s value %s", device, key, value);
1624
1625         if (g_str_equal(key, "Address") == TRUE) {
1626                 g_free(device->address);
1627                 device->address = g_strdup(value);
1628         } else if (g_str_equal(key, "Name") == TRUE) {
1629                 g_free(device->name);
1630                 device->name = g_strdup(value);
1631         } else if (g_str_equal(key, "Node") == TRUE) {
1632                 g_free(device->node);
1633                 device->node = g_strdup(value);
1634         }
1635
1636         return connman_element_set_string(&device->element, key, value);
1637 }
1638
1639 /**
1640  * connman_device_get_string:
1641  * @device: device structure
1642  * @key: unique identifier
1643  *
1644  * Get string value for specific key
1645  */
1646 const char *connman_device_get_string(struct connman_device *device,
1647                                                         const char *key)
1648 {
1649         DBG("device %p key %s", device, key);
1650
1651         if (g_str_equal(key, "Address") == TRUE)
1652                 return device->address;
1653         else if (g_str_equal(key, "Name") == TRUE)
1654                 return device->name;
1655         else if (g_str_equal(key, "Node") == TRUE)
1656                 return device->node;
1657
1658         return connman_element_get_string(&device->element, key);
1659 }
1660
1661 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1662 {
1663         struct connman_device *device = element->device;
1664         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1665         connman_bool_t powered;
1666
1667         DBG("element %p name %s", element, element->name);
1668
1669         if (device == NULL)
1670                 return;
1671
1672         device->offlinemode = offlinemode;
1673
1674         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1675
1676         if (device->powered == powered)
1677                 return;
1678
1679         if (device->powered_persistent == FALSE)
1680                 powered = FALSE;
1681
1682         set_powered(device, powered);
1683 }
1684
1685 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1686 {
1687         DBG("offlinmode %d", offlinemode);
1688
1689         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1690                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1691
1692         __connman_notifier_offlinemode(offlinemode);
1693
1694         return 0;
1695 }
1696
1697 void __connman_device_increase_connections(struct connman_device *device)
1698 {
1699         device->connections++;
1700 }
1701
1702 void __connman_device_decrease_connections(struct connman_device *device)
1703 {
1704         device->connections--;
1705 }
1706
1707 /**
1708  * connman_device_add_network:
1709  * @device: device structure
1710  * @network: network structure
1711  *
1712  * Add new network to the device
1713  */
1714 int connman_device_add_network(struct connman_device *device,
1715                                         struct connman_network *network)
1716 {
1717         const char *identifier = connman_network_get_identifier(network);
1718         int err;
1719
1720         DBG("device %p network %p", device, network);
1721
1722         switch (device->mode) {
1723         case CONNMAN_DEVICE_MODE_UNKNOWN:
1724         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1725                 return -EINVAL;
1726         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1727         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1728                 break;
1729         }
1730
1731         __connman_network_set_device(network, device);
1732
1733         err = connman_element_register((struct connman_element *) network,
1734                                                         &device->element);
1735         if (err < 0) {
1736                 __connman_network_set_device(network, NULL);
1737                 return err;
1738         }
1739
1740         g_hash_table_insert(device->networks, g_strdup(identifier),
1741                                                                 network);
1742
1743         return 0;
1744 }
1745
1746 /**
1747  * connman_device_get_network:
1748  * @device: device structure
1749  * @identifier: network identifier
1750  *
1751  * Get network for given identifier
1752  */
1753 struct connman_network *connman_device_get_network(struct connman_device *device,
1754                                                         const char *identifier)
1755 {
1756         DBG("device %p identifier %s", device, identifier);
1757
1758         return g_hash_table_lookup(device->networks, identifier);
1759 }
1760
1761 /**
1762  * connman_device_remove_network:
1763  * @device: device structure
1764  * @identifier: network identifier
1765  *
1766  * Remove network for given identifier
1767  */
1768 int connman_device_remove_network(struct connman_device *device,
1769                                                         const char *identifier)
1770 {
1771         DBG("device %p identifier %s", device, identifier);
1772
1773         g_hash_table_remove(device->networks, identifier);
1774
1775         return 0;
1776 }
1777
1778 void __connman_device_set_network(struct connman_device *device,
1779                                         struct connman_network *network)
1780 {
1781         const char *name;
1782
1783         if (device->network == network)
1784                 return;
1785
1786         if (device->network != NULL)
1787                 connman_network_unref(device->network);
1788
1789         if (network != NULL) {
1790                 name = connman_network_get_string(network,
1791                                                 CONNMAN_PROPERTY_ID_NAME);
1792                 g_free(device->last_network);
1793                 device->last_network = g_strdup(name);
1794
1795                 device->network = connman_network_ref(network);
1796         } else {
1797                 g_free(device->last_network);
1798                 device->last_network = NULL;
1799
1800                 device->network = NULL;
1801         }
1802 }
1803
1804 void __connman_device_set_reconnect(struct connman_device *device,
1805                                                 connman_bool_t reconnect)
1806 {
1807         device->reconnect = reconnect;
1808 }
1809
1810 connman_bool_t  __connman_device_get_reconnect(
1811                                 struct connman_device *device)
1812 {
1813         return device->reconnect;
1814 }
1815
1816 /**
1817  * connman_device_register:
1818  * @device: device structure
1819  *
1820  * Register device with the system
1821  */
1822 int connman_device_register(struct connman_device *device)
1823 {
1824         __connman_storage_load_device(device);
1825
1826         device->offlinemode = __connman_profile_get_offlinemode();
1827
1828         return connman_element_register(&device->element, NULL);
1829 }
1830
1831 /**
1832  * connman_device_unregister:
1833  * @device: device structure
1834  *
1835  * Unregister device with the system
1836  */
1837 void connman_device_unregister(struct connman_device *device)
1838 {
1839         __connman_storage_save_device(device);
1840
1841         connman_element_unregister(&device->element);
1842 }
1843
1844 /**
1845  * connman_device_get_data:
1846  * @device: device structure
1847  *
1848  * Get private device data pointer
1849  */
1850 void *connman_device_get_data(struct connman_device *device)
1851 {
1852         return device->driver_data;
1853 }
1854
1855 /**
1856  * connman_device_set_data:
1857  * @device: device structure
1858  * @data: data pointer
1859  *
1860  * Set private device data pointer
1861  */
1862 void connman_device_set_data(struct connman_device *device, void *data)
1863 {
1864         device->driver_data = data;
1865 }
1866
1867 static gboolean match_driver(struct connman_device *device,
1868                                         struct connman_device_driver *driver)
1869 {
1870         if (device->type == driver->type ||
1871                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1872                 return TRUE;
1873
1874         return FALSE;
1875 }
1876
1877 static int device_probe(struct connman_element *element)
1878 {
1879         struct connman_device *device = element->device;
1880         GSList *list;
1881
1882         DBG("element %p name %s", element, element->name);
1883
1884         if (device == NULL)
1885                 return -ENODEV;
1886
1887         if (device->driver != NULL)
1888                 return -EALREADY;
1889
1890         for (list = driver_list; list; list = list->next) {
1891                 struct connman_device_driver *driver = list->data;
1892
1893                 if (match_driver(device, driver) == FALSE)
1894                         continue;
1895
1896                 DBG("driver %p name %s", driver, driver->name);
1897
1898                 if (driver->probe(device) == 0) {
1899                         device->driver = driver;
1900                         break;
1901                 }
1902         }
1903
1904         if (device->driver == NULL)
1905                 return -ENODEV;
1906
1907         return setup_device(device);
1908 }
1909
1910 static void device_remove(struct connman_element *element)
1911 {
1912         struct connman_device *device = element->device;
1913
1914         DBG("element %p name %s", element, element->name);
1915
1916         if (device == NULL)
1917                 return;
1918
1919         if (device->driver == NULL)
1920                 return;
1921
1922         remove_device(device);
1923 }
1924
1925 static struct connman_driver device_driver = {
1926         .name           = "device",
1927         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1928         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1929         .probe          = device_probe,
1930         .remove         = device_remove,
1931 };
1932
1933 static int device_load(struct connman_device *device)
1934 {
1935         const char *ident = __connman_profile_active_ident();
1936         GKeyFile *keyfile;
1937         GError *error = NULL;
1938         gchar *identifier;
1939         connman_bool_t powered;
1940         int val;
1941
1942         DBG("device %p", device);
1943
1944         keyfile = __connman_storage_open(ident);
1945         if (keyfile == NULL)
1946                 return 0;
1947
1948         identifier = g_strdup_printf("device_%s", device->element.name);
1949         if (identifier == NULL)
1950                 goto done;
1951
1952         powered = g_key_file_get_boolean(keyfile, identifier,
1953                                                 "Powered", &error);
1954         if (error == NULL)
1955                 device->powered_persistent = powered;
1956         g_clear_error(&error);
1957
1958         switch (device->mode) {
1959         case CONNMAN_DEVICE_MODE_UNKNOWN:
1960         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1961                 break;
1962         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1963         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1964                 val = g_key_file_get_integer(keyfile, identifier,
1965                                                 "ScanInterval", &error);
1966                 if (error == NULL && val > 0)
1967                         device->scan_interval = val;
1968                 g_clear_error(&error);
1969                 break;
1970         }
1971
1972 done:
1973         g_free(identifier);
1974
1975         __connman_storage_close(ident, keyfile, FALSE);
1976
1977         return 0;
1978 }
1979
1980 static int device_save(struct connman_device *device)
1981 {
1982         const char *ident = __connman_profile_active_ident();
1983         GKeyFile *keyfile;
1984         gchar *identifier;
1985
1986         DBG("device %p", device);
1987
1988         keyfile = __connman_storage_open(ident);
1989         if (keyfile == NULL)
1990                 return 0;
1991
1992         identifier = g_strdup_printf("device_%s", device->element.name);
1993         if (identifier == NULL)
1994                 goto done;
1995
1996         g_key_file_set_boolean(keyfile, identifier,
1997                                         "Powered", device->powered_persistent);
1998
1999         switch (device->mode) {
2000         case CONNMAN_DEVICE_MODE_UNKNOWN:
2001         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
2002                 break;
2003         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
2004         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
2005                 if (device->scan_interval > 0)
2006                         g_key_file_set_integer(keyfile, identifier,
2007                                         "ScanInterval", device->scan_interval);
2008                 break;
2009         }
2010
2011 done:
2012         g_free(identifier);
2013
2014         __connman_storage_close(ident, keyfile, TRUE);
2015
2016         return 0;
2017 }
2018
2019 static struct connman_storage device_storage = {
2020         .name           = "device",
2021         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2022         .device_load    = device_load,
2023         .device_save    = device_save,
2024 };
2025
2026 int __connman_device_init(void)
2027 {
2028         DBG("");
2029
2030         connection = connman_dbus_get_connection();
2031
2032         if (connman_storage_register(&device_storage) < 0)
2033                 connman_error("Failed to register device storage");
2034
2035         return connman_driver_register(&device_driver);
2036 }
2037
2038 void __connman_device_cleanup(void)
2039 {
2040         DBG("");
2041
2042         connman_driver_unregister(&device_driver);
2043
2044         connman_storage_unregister(&device_storage);
2045
2046         dbus_connection_unref(connection);
2047 }