git.maemo.org Git - connman/blob - 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 struct connman_device {
  34         struct connman_element element;
  35         enum connman_device_type type;
  36         enum connman_device_mode mode;
  37         enum connman_device_policy policy;
  38         connman_bool_t powered;
  39         connman_bool_t carrier;
  40         connman_bool_t scanning;
  41         connman_bool_t disconnected;
  42         connman_uint8_t priority;
  43         connman_uint16_t scan_interval;
  44         char *name;
  45         char *node;
  46         char *address;
  47         char *interface;
  48         unsigned int connections;
  49         guint scan_timeout;
  50
  51         struct connman_device_driver *driver;
  52         void *driver_data;
  53
  54         connman_bool_t registered;
  55
  56         char *last_network;
  57         struct connman_network *network;
  58         GHashTable *networks;
  59 };
  60
  61 static gboolean device_scan_trigger(gpointer user_data)
  62 {
  63         struct connman_device *device = user_data;
  64
  65         DBG("device %p", device);
  66
  67         if (device->driver == NULL) {
  68                 device->scan_timeout = 0;
  69                 return FALSE;
  70         }
  71
  72         if (device->driver->scan)
  73                 device->driver->scan(device);
  74
  75         return TRUE;
  76 }
  77
  78 static const char *type2description(enum connman_device_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  82         case CONNMAN_DEVICE_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_DEVICE_TYPE_ETHERNET:
  85                 return "Ethernet";
  86         case CONNMAN_DEVICE_TYPE_WIFI:
  87                 return "Wireless";
  88         case CONNMAN_DEVICE_TYPE_WIMAX:
  89                 return "WiMAX";
  90         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  91                 return "Bluetooth";
  92         case CONNMAN_DEVICE_TYPE_GPS:
  93                 return "GPS";
  94         case CONNMAN_DEVICE_TYPE_HSO:
  95         case CONNMAN_DEVICE_TYPE_NOZOMI:
  96         case CONNMAN_DEVICE_TYPE_HUAWEI:
  97         case CONNMAN_DEVICE_TYPE_NOVATEL:
  98                 return "Cellular";
  99         }
 100
 101         return NULL;
 102 }
 103
 104 static const char *type2string(enum connman_device_type type)
 105 {
 106         switch (type) {
 107         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 108         case CONNMAN_DEVICE_TYPE_VENDOR:
 109                 break;
 110         case CONNMAN_DEVICE_TYPE_ETHERNET:
 111                 return "ethernet";
 112         case CONNMAN_DEVICE_TYPE_WIFI:
 113                 return "wifi";
 114         case CONNMAN_DEVICE_TYPE_WIMAX:
 115                 return "wimax";
 116         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 117                 return "bluetooth";
 118         case CONNMAN_DEVICE_TYPE_GPS:
 119                 return "gps";
 120         case CONNMAN_DEVICE_TYPE_HSO:
 121         case CONNMAN_DEVICE_TYPE_HUAWEI:
 122         case CONNMAN_DEVICE_TYPE_NOZOMI:
 123         case CONNMAN_DEVICE_TYPE_NOVATEL:
 124                 return "cellular";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static const char *policy2string(enum connman_device_policy policy)
 131 {
 132         switch (policy) {
 133         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 134                 break;
 135         case CONNMAN_DEVICE_POLICY_IGNORE:
 136                 return "ignore";
 137         case CONNMAN_DEVICE_POLICY_OFF:
 138                 return "off";
 139         case CONNMAN_DEVICE_POLICY_AUTO:
 140                 return "auto";
 141         case CONNMAN_DEVICE_POLICY_MANUAL:
 142                 return "manual";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static enum connman_device_policy string2policy(const char *policy)
 149 {
 150         if (g_str_equal(policy, "ignore") == TRUE)
 151                 return CONNMAN_DEVICE_POLICY_IGNORE;
 152         else if (g_str_equal(policy, "off") == TRUE)
 153                 return CONNMAN_DEVICE_POLICY_OFF;
 154         else if (g_str_equal(policy, "auto") == TRUE)
 155                 return CONNMAN_DEVICE_POLICY_AUTO;
 156         else if (g_str_equal(policy, "manual") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_MANUAL;
 158         else
 159                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 160 }
 161
 162 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 163 {
 164         __connman_profile_set_carrier(device, carrier);
 165
 166         if (carrier == TRUE) {
 167                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 168                 struct connman_element *element;
 169
 170                 switch (device->element.ipv4.method) {
 171                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 172                 case CONNMAN_IPV4_METHOD_OFF:
 173                         return 0;
 174                 case CONNMAN_IPV4_METHOD_STATIC:
 175                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 176                         break;
 177                 case CONNMAN_IPV4_METHOD_DHCP:
 178                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 179                         break;
 180                 }
 181
 182                 element = connman_element_create(NULL);
 183                 if (element != NULL) {
 184                         element->type  = type;
 185                         element->index = device->element.index;
 186
 187                         if (connman_element_register(element,
 188                                                         &device->element) < 0)
 189                                 connman_element_unref(element);
 190                 }
 191         } else
 192                 connman_element_unregister_children(&device->element);
 193
 194         return 0;
 195 }
 196
 197 static int set_powered(struct connman_device *device, connman_bool_t powered)
 198 {
 199         struct connman_device_driver *driver = device->driver;
 200         int err;
 201
 202         DBG("device %p powered %d", device, powered);
 203
 204         if (!driver)
 205                 return -EINVAL;
 206
 207         if (powered == TRUE) {
 208                 if (driver->enable) {
 209                         err = driver->enable(device);
 210                         __connman_notifier_device_type_increase(device->type);
 211                 } else
 212                         err = -EINVAL;
 213         } else {
 214                 g_hash_table_remove_all(device->networks);
 215
 216                 set_carrier(device, FALSE);
 217
 218                 if (driver->disable) {
 219                         err = driver->disable(device);
 220                         __connman_notifier_device_type_decrease(device->type);
 221                 } else
 222                         err = -EINVAL;
 223         }
 224
 225         return err;
 226 }
 227
 228 static int set_policy(DBusConnection *connection,
 229                                 struct connman_device *device,
 230                                         enum connman_device_policy policy)
 231 {
 232         DBusMessage *signal;
 233         DBusMessageIter entry, value;
 234         const char *str, *key = "Policy";
 235         int err = 0;
 236
 237         DBG("device %p policy %d", device, policy);
 238
 239         if (device->policy == policy)
 240                 return 0;
 241
 242         switch (policy) {
 243         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 244                 return -EINVAL;
 245         case CONNMAN_DEVICE_POLICY_IGNORE:
 246                 break;
 247         case CONNMAN_DEVICE_POLICY_OFF:
 248                 if (device->powered == TRUE)
 249                         err = set_powered(device, FALSE);
 250                 break;
 251         case CONNMAN_DEVICE_POLICY_AUTO:
 252         case CONNMAN_DEVICE_POLICY_MANUAL:
 253                 if (device->powered == FALSE)
 254                         err = set_powered(device, TRUE);
 255                 else
 256                         err = set_carrier(device, device->carrier);
 257                 break;
 258         }
 259
 260         if (err < 0)
 261                 return err;
 262
 263         device->policy = policy;
 264
 265         signal = dbus_message_new_signal(device->element.path,
 266                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 267         if (signal == NULL)
 268                 return 0;
 269
 270         dbus_message_iter_init_append(signal, &entry);
 271
 272         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 273
 274         str = policy2string(policy);
 275
 276         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 277                                         DBUS_TYPE_STRING_AS_STRING, &value);
 278         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 279         dbus_message_iter_close_container(&entry, &value);
 280
 281         g_dbus_send_message(connection, signal);
 282
 283         return 0;
 284 }
 285
 286 static void append_path(gpointer key, gpointer value, gpointer user_data)
 287 {
 288         struct connman_element *element = value;
 289         DBusMessageIter *iter = user_data;
 290
 291         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 292                                                         &element->path);
 293 }
 294
 295 static void append_networks(struct connman_device *device,
 296                                                 DBusMessageIter *entry)
 297 {
 298         DBusMessageIter value, iter;
 299         const char *key = "Networks";
 300
 301         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 302
 303         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 304                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 305                                                                 &value);
 306
 307         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 308                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 309         g_hash_table_foreach(device->networks, append_path, &iter);
 310         dbus_message_iter_close_container(&value, &iter);
 311
 312         dbus_message_iter_close_container(entry, &value);
 313 }
 314
 315 static DBusMessage *get_properties(DBusConnection *conn,
 316                                         DBusMessage *msg, void *data)
 317 {
 318         struct connman_device *device = data;
 319         DBusMessage *reply;
 320         DBusMessageIter array, dict, entry;
 321         const char *str;
 322
 323         DBG("conn %p", conn);
 324
 325         if (__connman_security_check_privilege(msg,
 326                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 327                 return __connman_error_permission_denied(msg);
 328
 329         reply = dbus_message_new_method_return(msg);
 330         if (reply == NULL)
 331                 return NULL;
 332
 333         dbus_message_iter_init_append(reply, &array);
 334
 335         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 336                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 337                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 338                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 339
 340         if (device->name != NULL)
 341                 connman_dbus_dict_append_variant(&dict, "Name",
 342                                         DBUS_TYPE_STRING, &device->name);
 343
 344         str = type2string(device->type);
 345         if (str != NULL)
 346                 connman_dbus_dict_append_variant(&dict, "Type",
 347                                                 DBUS_TYPE_STRING, &str);
 348
 349         if (device->address != NULL)
 350                 connman_dbus_dict_append_variant(&dict, "Address",
 351                                         DBUS_TYPE_STRING, &device->address);
 352
 353         if (device->interface != NULL)
 354                 connman_dbus_dict_append_variant(&dict, "Interface",
 355                                         DBUS_TYPE_STRING, &device->interface);
 356
 357         str = policy2string(device->policy);
 358         if (str != NULL)
 359                 connman_dbus_dict_append_variant(&dict, "Policy",
 360                                                 DBUS_TYPE_STRING, &str);
 361
 362         if (device->priority > 0)
 363                 connman_dbus_dict_append_variant(&dict, "Priority",
 364                                         DBUS_TYPE_BYTE, &device->priority);
 365
 366         connman_dbus_dict_append_variant(&dict, "Powered",
 367                                         DBUS_TYPE_BOOLEAN, &device->powered);
 368
 369         if (device->driver && device->driver->scan)
 370                 connman_dbus_dict_append_variant(&dict, "Scanning",
 371                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 372
 373         switch (device->mode) {
 374         case CONNMAN_DEVICE_MODE_UNKNOWN:
 375                 break;
 376         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 377                 __connman_element_append_ipv4(&device->element, &dict);
 378                 break;
 379         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 380         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 381                 if (device->scan_interval > 0)
 382                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 383                                 DBUS_TYPE_UINT16, &device->scan_interval);
 384
 385                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 386                                                                 NULL, &entry);
 387                 append_networks(device, &entry);
 388                 dbus_message_iter_close_container(&dict, &entry);
 389                 break;
 390         }
 391
 392         dbus_message_iter_close_container(&array, &dict);
 393
 394         return reply;
 395 }
 396
 397 static DBusMessage *set_property(DBusConnection *conn,
 398                                         DBusMessage *msg, void *data)
 399 {
 400         struct connman_device *device = data;
 401         DBusMessageIter iter, value;
 402         const char *name;
 403         int type;
 404
 405         DBG("conn %p", conn);
 406
 407         if (dbus_message_iter_init(msg, &iter) == FALSE)
 408                 return __connman_error_invalid_arguments(msg);
 409
 410         dbus_message_iter_get_basic(&iter, &name);
 411         dbus_message_iter_next(&iter);
 412         dbus_message_iter_recurse(&iter, &value);
 413
 414         if (__connman_security_check_privilege(msg,
 415                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 416                 return __connman_error_permission_denied(msg);
 417
 418         type = dbus_message_iter_get_arg_type(&value);
 419
 420         if (g_str_equal(name, "Powered") == TRUE) {
 421                 connman_bool_t powered;
 422                 int err;
 423
 424                 if (type != DBUS_TYPE_BOOLEAN)
 425                         return __connman_error_invalid_arguments(msg);
 426
 427                 dbus_message_iter_get_basic(&value, &powered);
 428
 429                 if (device->powered == powered)
 430                         return __connman_error_invalid_arguments(msg);
 431
 432                 err = set_powered(device, powered);
 433                 if (err < 0 && err != -EINPROGRESS)
 434                         return __connman_error_failed(msg);
 435         } else if (g_str_equal(name, "Policy") == TRUE) {
 436                 enum connman_device_policy policy;
 437                 const char *str;
 438                 int err;
 439
 440                 if (type != DBUS_TYPE_STRING)
 441                         return __connman_error_invalid_arguments(msg);
 442
 443                 dbus_message_iter_get_basic(&value, &str);
 444                 policy = string2policy(str);
 445                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 446                         return __connman_error_invalid_arguments(msg);
 447
 448                 err = set_policy(conn, device, policy);
 449                 if (err < 0)
 450                         return __connman_error_failed(msg);
 451         } else if (g_str_equal(name, "Priority") == TRUE) {
 452                 connman_uint8_t priority;
 453
 454                 if (type != DBUS_TYPE_BYTE)
 455                         return __connman_error_invalid_arguments(msg);
 456
 457                 dbus_message_iter_get_basic(&value, &priority);
 458
 459                 device->priority = priority;
 460         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 461                 connman_uint16_t interval;
 462
 463                 switch (device->mode) {
 464                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 465                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 466                         return __connman_error_invalid_arguments(msg);
 467                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 468                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 469                         break;
 470                 }
 471
 472                 if (type != DBUS_TYPE_UINT16)
 473                         return __connman_error_invalid_arguments(msg);
 474
 475                 dbus_message_iter_get_basic(&value, &interval);
 476
 477                 device->scan_interval = interval;
 478
 479                 if (device->scan_timeout > 0) {
 480                         g_source_remove(device->scan_timeout);
 481                         device->scan_timeout = 0;
 482                 }
 483
 484                 if (device->scan_interval > 0) {
 485                         guint interval = device->scan_interval;
 486                         device->scan_timeout = g_timeout_add_seconds(interval,
 487                                                 device_scan_trigger, device);
 488                 }
 489         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 490                 switch (device->mode) {
 491                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 492                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 493                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 494                         return __connman_error_invalid_arguments(msg);
 495                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 496                         __connman_element_set_ipv4(&device->element,
 497                                                                 name, &value);
 498                         break;
 499                 }
 500         }
 501
 502         __connman_storage_save_device(device);
 503
 504         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 505 }
 506
 507 static DBusMessage *join_network(DBusConnection *conn,
 508                                         DBusMessage *msg, void *data)
 509 {
 510         struct connman_device *device = data;
 511         struct connman_network *network;
 512         enum connman_network_type type;
 513         DBusMessageIter iter, array;
 514         int err, index;
 515
 516         DBG("conn %p", conn);
 517
 518         if (__connman_security_check_privilege(msg,
 519                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 520                 return __connman_error_permission_denied(msg);
 521
 522         if (!device->driver || !device->driver->join)
 523                 return __connman_error_not_supported(msg);
 524
 525         dbus_message_iter_init(msg, &iter);
 526         dbus_message_iter_recurse(&iter, &array);
 527
 528         switch (device->type) {
 529         case CONNMAN_DEVICE_TYPE_WIFI:
 530                 type = CONNMAN_NETWORK_TYPE_WIFI;
 531                 break;
 532         default:
 533                 return __connman_error_not_supported(msg);
 534         }
 535
 536         network = connman_network_create("00_00_00_00_00_00", type);
 537         if (network == NULL)
 538                 return __connman_error_failed(msg);
 539
 540         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 541                 DBusMessageIter entry, value;
 542                 const char *key, *str;
 543
 544                 dbus_message_iter_recurse(&array, &entry);
 545                 dbus_message_iter_get_basic(&entry, &key);
 546
 547                 dbus_message_iter_next(&entry);
 548                 dbus_message_iter_recurse(&entry, &value);
 549
 550                 switch (dbus_message_iter_get_arg_type(&value)) {
 551                 case DBUS_TYPE_STRING:
 552                         dbus_message_iter_get_basic(&value, &str);
 553                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 554                                 connman_network_set_blob(network, key,
 555                                                         str, strlen(str));
 556                         else
 557                                 connman_network_set_string(network, key, str);
 558                         break;
 559                 }
 560
 561                 dbus_message_iter_next(&array);
 562         }
 563
 564         index = connman_device_get_index(device);
 565         connman_network_set_index(network, index);
 566
 567         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 568
 569         err = device->driver->join(device, network);
 570
 571         connman_network_unref(network);
 572
 573         if (err < 0)
 574                 return __connman_error_failed(msg);
 575
 576         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 577 }
 578
 579 static DBusMessage *create_network(DBusConnection *conn,
 580                                         DBusMessage *msg, void *data)
 581 {
 582         DBG("conn %p", conn);
 583
 584         if (__connman_security_check_privilege(msg,
 585                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 586                 return __connman_error_permission_denied(msg);
 587
 588         return __connman_error_invalid_arguments(msg);
 589 }
 590
 591 static DBusMessage *remove_network(DBusConnection *conn,
 592                                         DBusMessage *msg, void *data)
 593 {
 594         DBG("conn %p", conn);
 595
 596         if (__connman_security_check_privilege(msg,
 597                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 598                 return __connman_error_permission_denied(msg);
 599
 600         return __connman_error_invalid_arguments(msg);
 601 }
 602
 603 static DBusMessage *propose_scan(DBusConnection *conn,
 604                                         DBusMessage *msg, void *data)
 605 {
 606         struct connman_device *device = data;
 607         int err;
 608
 609         DBG("conn %p", conn);
 610
 611         switch (device->mode) {
 612         case CONNMAN_DEVICE_MODE_UNKNOWN:
 613         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 614                 return __connman_error_not_supported(msg);
 615         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 616         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 617                 break;
 618         }
 619
 620         if (!device->driver || !device->driver->scan)
 621                 return __connman_error_not_supported(msg);
 622
 623         if (device->powered == FALSE)
 624                 return __connman_error_failed(msg);
 625
 626         err = device->driver->scan(device);
 627         if (err < 0)
 628                 return __connman_error_failed(msg);
 629
 630         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 631 }
 632
 633 static GDBusMethodTable device_methods[] = {
 634         { "GetProperties", "",      "a{sv}", get_properties },
 635         { "SetProperty",   "sv",    "",      set_property   },
 636         { "JoinNetwork",   "a{sv}", "",      join_network   },
 637         { "CreateNetwork", "a{sv}", "o",     create_network },
 638         { "RemoveNetwork", "o",     "",      remove_network },
 639         { "ProposeScan",   "",      "",      propose_scan   },
 640         { },
 641 };
 642
 643 static GDBusSignalTable device_signals[] = {
 644         { "PropertyChanged", "sv" },
 645         { },
 646 };
 647
 648 static DBusConnection *connection;
 649
 650 static void append_devices(DBusMessageIter *entry)
 651 {
 652         DBusMessageIter value, iter;
 653         const char *key = "Devices";
 654
 655         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 656
 657         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 658                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 659                                                                 &value);
 660
 661         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 662                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 663         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 664         dbus_message_iter_close_container(&value, &iter);
 665
 666         dbus_message_iter_close_container(entry, &value);
 667 }
 668
 669 static void emit_devices_signal(void)
 670 {
 671         DBusMessage *signal;
 672         DBusMessageIter entry;
 673
 674         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 675                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 676         if (signal == NULL)
 677                 return;
 678
 679         dbus_message_iter_init_append(signal, &entry);
 680
 681         append_devices(&entry);
 682
 683         g_dbus_send_message(connection, signal);
 684 }
 685
 686 static int register_interface(struct connman_element *element)
 687 {
 688         struct connman_device *device = element->device;
 689
 690         DBG("element %p name %s", element, element->name);
 691
 692         if (g_dbus_register_interface(connection, element->path,
 693                                         CONNMAN_DEVICE_INTERFACE,
 694                                         device_methods, device_signals,
 695                                         NULL, device, NULL) == FALSE) {
 696                 connman_error("Failed to register %s device", element->path);
 697                 return -EIO;
 698         }
 699
 700         device->registered = TRUE;
 701
 702         emit_devices_signal();
 703
 704         return 0;
 705 }
 706
 707 static void unregister_interface(struct connman_element *element)
 708 {
 709         struct connman_device *device = element->device;
 710
 711         DBG("element %p name %s", element, element->name);
 712
 713         device->registered = FALSE;
 714
 715         emit_devices_signal();
 716
 717         g_dbus_unregister_interface(connection, element->path,
 718                                                 CONNMAN_DEVICE_INTERFACE);
 719 }
 720
 721 static void device_enable(struct connman_device *device)
 722 {
 723         DBG("device %p", device);
 724
 725         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 726                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 727                 return;
 728
 729         if (device->powered == TRUE)
 730                 return;
 731
 732         if (device->driver->enable) {
 733                 device->driver->enable(device);
 734                 __connman_notifier_device_type_increase(device->type);
 735         }
 736 }
 737
 738 static void device_disable(struct connman_device *device)
 739 {
 740         DBG("device %p", device);
 741
 742         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 743                 return;
 744
 745         if (device->powered == FALSE)
 746                 return;
 747
 748         g_hash_table_remove_all(device->networks);
 749
 750         if (device->driver->disable) {
 751                 device->driver->disable(device);
 752                 __connman_notifier_device_type_decrease(device->type);
 753         }
 754 }
 755
 756 static int setup_device(struct connman_device *device)
 757 {
 758         int err;
 759
 760         DBG("device %p", device);
 761
 762         err = register_interface(&device->element);
 763         if (err < 0) {
 764                 if (device->driver->remove)
 765                         device->driver->remove(device);
 766                 device->driver = NULL;
 767                 return err;
 768         }
 769
 770         switch (device->mode) {
 771         case CONNMAN_DEVICE_MODE_UNKNOWN:
 772         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 773         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 774                 break;
 775         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 776                 __connman_profile_add_device(device);
 777                 break;
 778         }
 779
 780         device_enable(device);
 781
 782         return 0;
 783 }
 784
 785 static void probe_driver(struct connman_element *element, gpointer user_data)
 786 {
 787         struct connman_device_driver *driver = user_data;
 788
 789         DBG("element %p name %s", element, element->name);
 790
 791         if (element->device == NULL)
 792                 return;
 793
 794         if (element->device->driver != NULL)
 795                 return;
 796
 797         if (driver->type != element->device->type)
 798                 return;
 799
 800         if (driver->probe(element->device) < 0)
 801                 return;
 802
 803         element->device->driver = driver;
 804
 805         setup_device(element->device);
 806 }
 807
 808 static void remove_device(struct connman_device *device)
 809 {
 810         DBG("device %p", device);
 811
 812         device_disable(device);
 813
 814         switch (device->mode) {
 815         case CONNMAN_DEVICE_MODE_UNKNOWN:
 816         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 817         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 818                 break;
 819         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 820                 __connman_profile_remove_device(device);
 821                 break;
 822         }
 823
 824         unregister_interface(&device->element);
 825
 826         if (device->driver->remove)
 827                 device->driver->remove(device);
 828
 829         device->driver = NULL;
 830 }
 831
 832 static void remove_driver(struct connman_element *element, gpointer user_data)
 833 {
 834         struct connman_device_driver *driver = user_data;
 835
 836         DBG("element %p name %s", element, element->name);
 837
 838         if (element->device == NULL)
 839                 return;
 840
 841         if (element->device->driver == driver)
 842                 remove_device(element->device);
 843 }
 844
 845 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 846 {
 847         if (device == NULL || device->driver == NULL)
 848                 return FALSE;
 849
 850         return device->registered;
 851 }
 852
 853 static GSList *driver_list = NULL;
 854
 855 static gint compare_priority(gconstpointer a, gconstpointer b)
 856 {
 857         const struct connman_device_driver *driver1 = a;
 858         const struct connman_device_driver *driver2 = b;
 859
 860         return driver2->priority - driver1->priority;
 861 }
 862
 863 /**
 864  * connman_device_driver_register:
 865  * @driver: device driver definition
 866  *
 867  * Register a new device driver
 868  *
 869  * Returns: %0 on success
 870  */
 871 int connman_device_driver_register(struct connman_device_driver *driver)
 872 {
 873         DBG("driver %p name %s", driver, driver->name);
 874
 875         driver_list = g_slist_insert_sorted(driver_list, driver,
 876                                                         compare_priority);
 877
 878         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 879                                                 probe_driver, driver);
 880
 881         return 0;
 882 }
 883
 884 /**
 885  * connman_device_driver_unregister:
 886  * @driver: device driver definition
 887  *
 888  * Remove a previously registered device driver
 889  */
 890 void connman_device_driver_unregister(struct connman_device_driver *driver)
 891 {
 892         DBG("driver %p name %s", driver, driver->name);
 893
 894         driver_list = g_slist_remove(driver_list, driver);
 895
 896         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 897                                                 remove_driver, driver);
 898 }
 899
 900 static void unregister_network(gpointer data)
 901 {
 902         struct connman_network *network = data;
 903
 904         DBG("network %p", network);
 905
 906         connman_element_unregister((struct connman_element *) network);
 907
 908         connman_network_unref(network);
 909 }
 910
 911 static void device_destruct(struct connman_element *element)
 912 {
 913         struct connman_device *device = element->device;
 914
 915         DBG("element %p name %s", element, element->name);
 916
 917         g_free(device->node);
 918         g_free(device->name);
 919         g_free(device->address);
 920         g_free(device->interface);
 921
 922         g_free(device->last_network);
 923
 924         g_hash_table_destroy(device->networks);
 925         device->networks = NULL;
 926 }
 927
 928 /**
 929  * connman_device_create:
 930  * @node: device node name (for example an address)
 931  * @type: device type
 932  *
 933  * Allocate a new device of given #type and assign the #node name to it.
 934  *
 935  * Returns: a newly-allocated #connman_device structure
 936  */
 937 struct connman_device *connman_device_create(const char *node,
 938                                                 enum connman_device_type type)
 939 {
 940         struct connman_device *device;
 941         const char *str;
 942
 943         DBG("node %s type %d", node, type);
 944
 945         device = g_try_new0(struct connman_device, 1);
 946         if (device == NULL)
 947                 return NULL;
 948
 949         DBG("device %p", device);
 950
 951         __connman_element_initialize(&device->element);
 952
 953         device->element.name = g_strdup(node);
 954         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 955
 956         device->element.device = device;
 957         device->element.destruct = device_destruct;
 958
 959         str = type2string(type);
 960         if (str != NULL)
 961                 connman_element_set_string(&device->element,
 962                                         CONNMAN_PROPERTY_ID_TYPE, str);
 963
 964         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 965
 966         device->type   = type;
 967         device->name   = g_strdup(type2description(device->type));
 968         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 969         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 970
 971         switch (type) {
 972         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 973         case CONNMAN_DEVICE_TYPE_VENDOR:
 974                 device->priority = 0;
 975                 device->scan_interval = 0;
 976                 break;
 977         case CONNMAN_DEVICE_TYPE_ETHERNET:
 978         case CONNMAN_DEVICE_TYPE_WIFI:
 979                 device->priority = 100;
 980                 device->scan_interval = 300;
 981                 break;
 982         case CONNMAN_DEVICE_TYPE_WIMAX:
 983                 device->priority = 20;
 984                 device->scan_interval = 0;
 985                 break;
 986         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 987                 device->priority = 50;
 988                 device->scan_interval = 0;
 989                 break;
 990         case CONNMAN_DEVICE_TYPE_GPS:
 991                 device->priority = 0;
 992                 device->scan_interval = 0;
 993                 break;
 994         case CONNMAN_DEVICE_TYPE_HSO:
 995         case CONNMAN_DEVICE_TYPE_NOZOMI:
 996         case CONNMAN_DEVICE_TYPE_HUAWEI:
 997         case CONNMAN_DEVICE_TYPE_NOVATEL:
 998                 device->priority = 60;
 999                 device->scan_interval = 0;
1000                 break;
1001         }
1002
1003         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1004                                                 g_free, unregister_network);
1005
1006         return device;
1007 }
1008
1009 /**
1010  * connman_device_ref:
1011  * @device: device structure
1012  *
1013  * Increase reference counter of device
1014  */
1015 struct connman_device *connman_device_ref(struct connman_device *device)
1016 {
1017         if (connman_element_ref(&device->element) == NULL)
1018                 return NULL;
1019
1020         return device;
1021 }
1022
1023 /**
1024  * connman_device_unref:
1025  * @device: device structure
1026  *
1027  * Decrease reference counter of device
1028  */
1029 void connman_device_unref(struct connman_device *device)
1030 {
1031         connman_element_unref(&device->element);
1032 }
1033
1034 const char *__connman_device_get_type(struct connman_device *device)
1035 {
1036         return type2string(device->type);
1037 }
1038
1039 /**
1040  * connman_device_get_type:
1041  * @device: device structure
1042  *
1043  * Get type of device
1044  */
1045 enum connman_device_type connman_device_get_type(struct connman_device *device)
1046 {
1047         return device->type;
1048 }
1049
1050 /**
1051  * connman_device_get_name:
1052  * @device: device structure
1053  *
1054  * Get unique name of device
1055  */
1056 const char *connman_device_get_name(struct connman_device *device)
1057 {
1058         return device->element.name;
1059 }
1060
1061 /**
1062  * connman_device_get_path:
1063  * @device: device structure
1064  *
1065  * Get path name of device
1066  */
1067 const char *connman_device_get_path(struct connman_device *device)
1068 {
1069         return device->element.path;
1070 }
1071
1072 /**
1073  * connman_device_set_index:
1074  * @device: device structure
1075  * @index: index number
1076  *
1077  * Set index number of device
1078  */
1079 void connman_device_set_index(struct connman_device *device, int index)
1080 {
1081         device->element.index = index;
1082 }
1083
1084 /**
1085  * connman_device_get_index:
1086  * @device: device structure
1087  *
1088  * Get index number of device
1089  */
1090 int connman_device_get_index(struct connman_device *device)
1091 {
1092         return device->element.index;
1093 }
1094
1095 /**
1096  * connman_device_set_interface:
1097  * @device: device structure
1098  * @interface: interface name
1099  *
1100  * Set interface name of device
1101  */
1102 void connman_device_set_interface(struct connman_device *device,
1103                                                         const char *interface)
1104 {
1105         g_free(device->element.devname);
1106         device->element.devname = g_strdup(interface);
1107
1108         g_free(device->interface);
1109         device->interface = g_strdup(interface);
1110
1111         if (device->name == NULL) {
1112                 const char *str = type2description(device->type);
1113                 if (str != NULL && device->interface != NULL)
1114                         device->name = g_strdup_printf("%s (%s)", str,
1115                                                         device->interface);
1116         }
1117 }
1118
1119 /**
1120  * connman_device_get_interface:
1121  * @device: device structure
1122  *
1123  * Get interface name of device
1124  */
1125 const char *connman_device_get_interface(struct connman_device *device)
1126 {
1127         return device->interface;
1128 }
1129
1130 /**
1131  * connman_device_set_policy:
1132  * @device: device structure
1133  * @policy: power and connection policy
1134  *
1135  * Change power and connection policy of device
1136  */
1137 void connman_device_set_policy(struct connman_device *device,
1138                                         enum connman_device_policy policy)
1139 {
1140         device->policy = policy;
1141 }
1142
1143 /**
1144  * connman_device_set_mode:
1145  * @device: device structure
1146  * @mode: network mode
1147  *
1148  * Change network mode of device
1149  */
1150 void connman_device_set_mode(struct connman_device *device,
1151                                                 enum connman_device_mode mode)
1152 {
1153         device->mode = mode;
1154 }
1155
1156 /**
1157  * connman_device_get_mode:
1158  * @device: device structure
1159  *
1160  * Get network mode of device
1161  */
1162 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1163 {
1164         return device->mode;
1165 }
1166
1167 /**
1168  * connman_device_set_powered:
1169  * @device: device structure
1170  * @powered: powered state
1171  *
1172  * Change power state of device
1173  */
1174 int connman_device_set_powered(struct connman_device *device,
1175                                                 connman_bool_t powered)
1176 {
1177         DBusMessage *signal;
1178         DBusMessageIter entry, value;
1179         const char *key = "Powered";
1180
1181         DBG("driver %p powered %d", device, powered);
1182
1183         if (device->powered == powered)
1184                 return -EALREADY;
1185
1186         device->powered = powered;
1187
1188         if (device->registered == FALSE)
1189                 return 0;
1190
1191         signal = dbus_message_new_signal(device->element.path,
1192                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1193         if (signal == NULL)
1194                 return 0;
1195
1196         dbus_message_iter_init_append(signal, &entry);
1197
1198         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1199
1200         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1201                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1202         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1203         dbus_message_iter_close_container(&entry, &value);
1204
1205         g_dbus_send_message(connection, signal);
1206
1207         if (powered == FALSE)
1208                 return 0;
1209
1210         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1211                 return 0;
1212
1213         if (device->scan_timeout > 0) {
1214                 g_source_remove(device->scan_timeout);
1215                 device->scan_timeout = 0;
1216         }
1217
1218         if (device->scan_interval > 0) {
1219                 guint interval = device->scan_interval;
1220                 device->scan_timeout = g_timeout_add_seconds(interval,
1221                                         device_scan_trigger, device);
1222         }
1223
1224         if (device->driver->scan)
1225                 device->driver->scan(device);
1226
1227         return 0;
1228 }
1229
1230 /**
1231  * connman_device_set_carrier:
1232  * @device: device structure
1233  * @carrier: carrier state
1234  *
1235  * Change carrier state of device (only for device without scanning)
1236  */
1237 int connman_device_set_carrier(struct connman_device *device,
1238                                                 connman_bool_t carrier)
1239 {
1240         DBG("driver %p carrier %d", device, carrier);
1241
1242         switch (device->mode) {
1243         case CONNMAN_DEVICE_MODE_UNKNOWN:
1244         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1245         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1246                 return -EINVAL;
1247         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1248                 break;
1249         }
1250
1251         if (device->carrier == carrier)
1252                 return -EALREADY;
1253
1254         device->carrier = carrier;
1255
1256         if (carrier == TRUE)
1257                 device->disconnected = FALSE;
1258
1259         switch (device->policy) {
1260         case CONNMAN_DEVICE_POLICY_UNKNOWN:
1261         case CONNMAN_DEVICE_POLICY_IGNORE:
1262         case CONNMAN_DEVICE_POLICY_OFF:
1263                 return 0;
1264         case CONNMAN_DEVICE_POLICY_AUTO:
1265         case CONNMAN_DEVICE_POLICY_MANUAL:
1266                 break;
1267         }
1268
1269         return set_carrier(device, device->carrier);
1270 }
1271
1272 int __connman_device_connect(struct connman_device *device)
1273 {
1274         DBG("device %p", device);
1275
1276         if (device->disconnected == FALSE)
1277                 return -EINVAL;
1278
1279         return 0;
1280 }
1281
1282 int __connman_device_disconnect(struct connman_device *device)
1283 {
1284         GHashTableIter iter;
1285         gpointer key, value;
1286
1287         DBG("device %p", device);
1288
1289         connman_device_set_disconnected(device, TRUE);
1290
1291         g_hash_table_iter_init(&iter, device->networks);
1292
1293         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1294                 struct connman_network *network = value;
1295
1296                 if (connman_network_get_connected(network) == TRUE)
1297                         __connman_network_disconnect(network);
1298         }
1299
1300         return 0;
1301 }
1302
1303 static void connect_known_network(struct connman_device *device)
1304 {
1305         struct connman_network *network = NULL;
1306         GHashTableIter iter;
1307         gpointer key, value;
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_priority, new_priority;
1316                 connman_uint8_t old_strength, new_strength;
1317                 const char *name;
1318
1319                 count++;
1320
1321                 if (connman_network_get_available(value) == FALSE)
1322                         continue;
1323
1324                 name = connman_network_get_string(value,
1325                                                 CONNMAN_PROPERTY_ID_NAME);
1326                 if (name != NULL && device->last_network != NULL) {
1327                         if (g_str_equal(name, device->last_network) == TRUE) {
1328                                 network = value;
1329                                 break;
1330                         }
1331                 }
1332
1333                 if (connman_network_get_remember(value) == FALSE)
1334                         continue;
1335
1336                 if (network == NULL) {
1337                         network = value;
1338                         continue;
1339                 }
1340
1341                 old_priority = connman_network_get_uint8(network,
1342                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1343                 new_priority = connman_network_get_uint8(value,
1344                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1345
1346                 if (new_priority != old_priority) {
1347                         if (new_priority > old_priority)
1348                                 network = value;
1349                         continue;
1350                 }
1351
1352                 old_strength = connman_network_get_uint8(network,
1353                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1354                 new_strength = connman_network_get_uint8(value,
1355                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1356
1357                 if (new_strength > old_strength)
1358                         network = value;
1359         }
1360
1361         if (network != NULL) {
1362                 int err;
1363
1364                 err = connman_network_connect(network);
1365                 if (err == 0 || err == -EINPROGRESS)
1366                         return;
1367         }
1368
1369         if (count > 0)
1370                 return;
1371
1372         if (device->driver && device->driver->scan)
1373                 device->driver->scan(device);
1374 }
1375
1376 static void mark_network_unavailable(gpointer key, gpointer value,
1377                                                         gpointer user_data)
1378 {
1379         struct connman_network *network = value;
1380
1381         if (connman_network_get_connected(network) == TRUE)
1382                 return;
1383
1384         connman_network_set_available(network, FALSE);
1385 }
1386
1387 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1388                                                         gpointer user_data)
1389 {
1390         struct connman_network *network = value;
1391
1392         if (connman_network_get_connected(network) == TRUE)
1393                 return FALSE;
1394
1395         if (connman_network_get_remember(network) == TRUE)
1396                 return FALSE;
1397
1398         if (connman_network_get_available(network) == TRUE)
1399                 return FALSE;
1400
1401         return TRUE;
1402 }
1403
1404 /**
1405  * connman_device_set_scanning:
1406  * @device: device structure
1407  * @scanning: scanning state
1408  *
1409  * Change scanning state of device
1410  */
1411 int connman_device_set_scanning(struct connman_device *device,
1412                                                 connman_bool_t scanning)
1413 {
1414         DBusMessage *signal;
1415         DBusMessageIter entry, value;
1416         const char *key = "Scanning";
1417
1418         DBG("driver %p scanning %d", device, scanning);
1419
1420         if (!device->driver || !device->driver->scan)
1421                 return -EINVAL;
1422
1423         if (device->scanning == scanning)
1424                 return -EALREADY;
1425
1426         device->scanning = scanning;
1427
1428         signal = dbus_message_new_signal(device->element.path,
1429                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1430         if (signal == NULL)
1431                 return 0;
1432
1433         dbus_message_iter_init_append(signal, &entry);
1434
1435         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1436
1437         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1438                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1439         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1440         dbus_message_iter_close_container(&entry, &value);
1441
1442         g_dbus_send_message(connection, signal);
1443
1444         if (scanning == TRUE) {
1445                 if (device->scan_timeout > 0) {
1446                         g_source_remove(device->scan_timeout);
1447                         device->scan_timeout = 0;
1448                 }
1449
1450                 if (device->scan_interval > 0) {
1451                         guint interval = device->scan_interval;
1452                         device->scan_timeout = g_timeout_add_seconds(interval,
1453                                                 device_scan_trigger, device);
1454                 }
1455
1456                 g_hash_table_foreach(device->networks,
1457                                         mark_network_unavailable, NULL);
1458                 return 0;
1459         }
1460
1461         g_hash_table_foreach_remove(device->networks,
1462                                         remove_unavailable_network, NULL);
1463
1464         if (device->connections > 0)
1465                 return 0;
1466
1467         if (device->disconnected == TRUE)
1468                 return 0;
1469
1470         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1471                 return 0;
1472
1473         connect_known_network(device);
1474
1475         return 0;
1476 }
1477
1478 /**
1479  * connman_device_set_disconnected:
1480  * @device: device structure
1481  * @disconnected: disconnected state
1482  *
1483  * Change disconnected state of device (only for device with networks)
1484  */
1485 int connman_device_set_disconnected(struct connman_device *device,
1486                                                 connman_bool_t disconnected)
1487 {
1488         DBG("driver %p disconnected %d", device, disconnected);
1489
1490         switch (device->mode) {
1491         case CONNMAN_DEVICE_MODE_UNKNOWN:
1492         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1493                 return -EINVAL;
1494         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1495         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1496                 break;
1497         }
1498
1499         if (device->disconnected == disconnected)
1500                 return -EALREADY;
1501
1502         device->disconnected = disconnected;
1503
1504         return 0;
1505 }
1506
1507 /**
1508  * connman_device_set_string:
1509  * @device: device structure
1510  * @key: unique identifier
1511  * @value: string value
1512  *
1513  * Set string value for specific key
1514  */
1515 int connman_device_set_string(struct connman_device *device,
1516                                         const char *key, const char *value)
1517 {
1518         DBG("device %p key %s value %s", device, key, value);
1519
1520         if (g_str_equal(key, "Address") == TRUE) {
1521                 g_free(device->address);
1522                 device->address = g_strdup(value);
1523         } else if (g_str_equal(key, "Name") == TRUE) {
1524                 g_free(device->name);
1525                 device->name = g_strdup(value);
1526         } else if (g_str_equal(key, "Node") == TRUE) {
1527                 g_free(device->node);
1528                 device->node = g_strdup(value);
1529         }
1530
1531         return connman_element_set_string(&device->element, key, value);
1532 }
1533
1534 /**
1535  * connman_device_get_string:
1536  * @device: device structure
1537  * @key: unique identifier
1538  *
1539  * Get string value for specific key
1540  */
1541 const char *connman_device_get_string(struct connman_device *device,
1542                                                         const char *key)
1543 {
1544         DBG("device %p key %s", device, key);
1545
1546         if (g_str_equal(key, "Address") == TRUE)
1547                 return device->address;
1548         else if (g_str_equal(key, "Name") == TRUE)
1549                 return device->name;
1550         else if (g_str_equal(key, "Node") == TRUE)
1551                 return device->node;
1552
1553         return connman_element_get_string(&device->element, key);
1554 }
1555
1556 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1557 {
1558         struct connman_device *device = element->device;
1559         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1560         connman_bool_t powered;
1561
1562         DBG("element %p name %s", element, element->name);
1563
1564         if (device == NULL)
1565                 return;
1566
1567         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1568
1569         if (device->powered == powered)
1570                 return;
1571
1572         set_powered(device, powered);
1573 }
1574
1575 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1576 {
1577         DBG("offlinmode %d", offlinemode);
1578
1579         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1580                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1581
1582         __connman_notifier_offline_mode(offlinemode);
1583
1584         return 0;
1585 }
1586
1587 void __connman_device_increase_connections(struct connman_device *device)
1588 {
1589         device->connections++;
1590 }
1591
1592 void __connman_device_decrease_connections(struct connman_device *device)
1593 {
1594         device->connections--;
1595 }
1596
1597 /**
1598  * connman_device_add_network:
1599  * @device: device structure
1600  * @network: network structure
1601  *
1602  * Add new network to the device
1603  */
1604 int connman_device_add_network(struct connman_device *device,
1605                                         struct connman_network *network)
1606 {
1607         const char *identifier = connman_network_get_identifier(network);
1608         int err;
1609
1610         DBG("device %p network %p", device, network);
1611
1612         switch (device->mode) {
1613         case CONNMAN_DEVICE_MODE_UNKNOWN:
1614         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1615                 return -EINVAL;
1616         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1617         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1618                 break;
1619         }
1620
1621         __connman_network_set_device(network, device);
1622
1623         __connman_storage_load_network(network);
1624
1625         err = connman_element_register((struct connman_element *) network,
1626                                                         &device->element);
1627         if (err < 0) {
1628                 __connman_network_set_device(network, NULL);
1629                 return err;
1630         }
1631
1632         g_hash_table_insert(device->networks, g_strdup(identifier),
1633                                                                 network);
1634
1635         return 0;
1636 }
1637
1638 /**
1639  * connman_device_get_network:
1640  * @device: device structure
1641  * @identifier: network identifier
1642  *
1643  * Get network for given identifier
1644  */
1645 struct connman_network *connman_device_get_network(struct connman_device *device,
1646                                                         const char *identifier)
1647 {
1648         DBG("device %p identifier %s", device, identifier);
1649
1650         return g_hash_table_lookup(device->networks, identifier);
1651 }
1652
1653 /**
1654  * connman_device_remove_network:
1655  * @device: device structure
1656  * @identifier: network identifier
1657  *
1658  * Remove network for given identifier
1659  */
1660 int connman_device_remove_network(struct connman_device *device,
1661                                                         const char *identifier)
1662 {
1663         DBG("device %p identifier %s", device, identifier);
1664
1665         g_hash_table_remove(device->networks, identifier);
1666
1667         return 0;
1668 }
1669
1670 void __connman_device_set_network(struct connman_device *device,
1671                                         struct connman_network *network)
1672 {
1673         const char *name;
1674
1675         if (network != NULL) {
1676                 name = connman_network_get_string(network,
1677                                                 CONNMAN_PROPERTY_ID_NAME);
1678                 device->last_network = g_strdup(name);
1679         }
1680
1681         device->network = network;
1682 }
1683
1684 /**
1685  * connman_device_register:
1686  * @device: device structure
1687  *
1688  * Register device with the system
1689  */
1690 int connman_device_register(struct connman_device *device)
1691 {
1692         __connman_storage_load_device(device);
1693
1694         switch (device->mode) {
1695         case CONNMAN_DEVICE_MODE_UNKNOWN:
1696         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1697                 break;
1698         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1699         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1700                 __connman_storage_init_network(device);
1701                 break;
1702         }
1703
1704         return connman_element_register(&device->element, NULL);
1705 }
1706
1707 /**
1708  * connman_device_unregister:
1709  * @device: device structure
1710  *
1711  * Unregister device with the system
1712  */
1713 void connman_device_unregister(struct connman_device *device)
1714 {
1715         __connman_storage_save_device(device);
1716
1717         connman_element_unregister(&device->element);
1718 }
1719
1720 /**
1721  * connman_device_get_data:
1722  * @device: device structure
1723  *
1724  * Get private device data pointer
1725  */
1726 void *connman_device_get_data(struct connman_device *device)
1727 {
1728         return device->driver_data;
1729 }
1730
1731 /**
1732  * connman_device_set_data:
1733  * @device: device structure
1734  * @data: data pointer
1735  *
1736  * Set private device data pointer
1737  */
1738 void connman_device_set_data(struct connman_device *device, void *data)
1739 {
1740         device->driver_data = data;
1741 }
1742
1743 static gboolean match_driver(struct connman_device *device,
1744                                         struct connman_device_driver *driver)
1745 {
1746         if (device->type == driver->type ||
1747                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1748                 return TRUE;
1749
1750         return FALSE;
1751 }
1752
1753 static int device_probe(struct connman_element *element)
1754 {
1755         struct connman_device *device = element->device;
1756         GSList *list;
1757
1758         DBG("element %p name %s", element, element->name);
1759
1760         if (device == NULL)
1761                 return -ENODEV;
1762
1763         if (device->driver != NULL)
1764                 return -EALREADY;
1765
1766         for (list = driver_list; list; list = list->next) {
1767                 struct connman_device_driver *driver = list->data;
1768
1769                 if (match_driver(device, driver) == FALSE)
1770                         continue;
1771
1772                 DBG("driver %p name %s", driver, driver->name);
1773
1774                 if (driver->probe(device) == 0) {
1775                         device->driver = driver;
1776                         break;
1777                 }
1778         }
1779
1780         if (device->driver == NULL)
1781                 return -ENODEV;
1782
1783         return setup_device(device);
1784 }
1785
1786 static void device_remove(struct connman_element *element)
1787 {
1788         struct connman_device *device = element->device;
1789
1790         DBG("element %p name %s", element, element->name);
1791
1792         if (device == NULL)
1793                 return;
1794
1795         if (device->driver == NULL)
1796                 return;
1797
1798         remove_device(device);
1799 }
1800
1801 static struct connman_driver device_driver = {
1802         .name           = "device",
1803         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1804         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1805         .probe          = device_probe,
1806         .remove         = device_remove,
1807 };
1808
1809 static int device_load(struct connman_device *device)
1810 {
1811         GKeyFile *keyfile;
1812         gchar *pathname, *data = NULL;
1813         gsize length;
1814         char *str;
1815         int val;
1816
1817         DBG("device %p", device);
1818
1819         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1820                                                         device->element.name);
1821         if (pathname == NULL)
1822                 return -ENOMEM;
1823
1824         keyfile = g_key_file_new();
1825
1826         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1827                 g_free(pathname);
1828                 return -ENOENT;
1829         }
1830
1831         g_free(pathname);
1832
1833         if (g_key_file_load_from_data(keyfile, data, length,
1834                                                         0, NULL) == FALSE) {
1835                 g_free(data);
1836                 return -EILSEQ;
1837         }
1838
1839         g_free(data);
1840
1841         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1842         if (str != NULL) {
1843                 device->policy = string2policy(str);
1844                 g_free(str);
1845         }
1846
1847         val = g_key_file_get_integer(keyfile, "Configuration",
1848                                                         "Priority", NULL);
1849         if (val > 0)
1850                 device->priority = val;
1851
1852         switch (device->mode) {
1853         case CONNMAN_DEVICE_MODE_UNKNOWN:
1854         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1855                 break;
1856         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1857         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1858                 val = g_key_file_get_integer(keyfile, "Configuration",
1859                                                         "ScanInterval", NULL);
1860                 if (val > 0)
1861                         device->scan_interval = val;
1862                 break;
1863         }
1864
1865 #if 0
1866         str = g_key_file_get_string(keyfile, "Configuration",
1867                                                         "LastNetwork", NULL);
1868         if (str != NULL)
1869                 device->last_network = str;
1870 #endif
1871
1872         g_key_file_free(keyfile);
1873
1874         return 0;
1875 }
1876
1877 static int device_save(struct connman_device *device)
1878 {
1879         GKeyFile *keyfile;
1880         gchar *pathname, *data = NULL;
1881         gsize length;
1882         const char *str;
1883
1884         DBG("device %p", device);
1885
1886         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1887                                                         device->element.name);
1888         if (pathname == NULL)
1889                 return -ENOMEM;
1890
1891         keyfile = g_key_file_new();
1892
1893         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1894                 goto update;
1895
1896         if (length > 0) {
1897                 if (g_key_file_load_from_data(keyfile, data, length,
1898                                                         0, NULL) == FALSE)
1899                         goto done;
1900         }
1901
1902         g_free(data);
1903
1904 update:
1905         str = policy2string(device->policy);
1906         if (str != NULL)
1907                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1908
1909         if (device->priority > 0)
1910                 g_key_file_set_integer(keyfile, "Configuration",
1911                                                 "Priority", device->priority);
1912
1913         switch (device->mode) {
1914         case CONNMAN_DEVICE_MODE_UNKNOWN:
1915         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1916                 break;
1917         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1918         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1919                 if (device->scan_interval > 0)
1920                         g_key_file_set_integer(keyfile, "Configuration",
1921                                         "ScanInterval", device->scan_interval);
1922                 break;
1923         }
1924
1925         if (device->last_network != NULL)
1926                 g_key_file_set_string(keyfile, "Configuration",
1927                                         "LastNetwork", device->last_network);
1928
1929         data = g_key_file_to_data(keyfile, &length, NULL);
1930
1931         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1932                 connman_error("Failed to store device information");
1933
1934 done:
1935         g_free(data);
1936
1937         g_key_file_free(keyfile);
1938
1939         g_free(pathname);
1940
1941         if (device->network != NULL)
1942                 __connman_storage_save_network(device->network);
1943
1944         return 0;
1945 }
1946
1947 static struct connman_storage device_storage = {
1948         .name           = "device",
1949         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1950         .device_load    = device_load,
1951         .device_save    = device_save,
1952 };
1953
1954 int __connman_device_init(void)
1955 {
1956         DBG("");
1957
1958         connection = connman_dbus_get_connection();
1959
1960         if (connman_storage_register(&device_storage) < 0)
1961                 connman_error("Failed to register device storage");
1962
1963         return connman_driver_register(&device_driver);
1964 }
1965
1966 void __connman_device_cleanup(void)
1967 {
1968         DBG("");
1969
1970         connman_driver_unregister(&device_driver);
1971
1972         connman_storage_unregister(&device_storage);
1973
1974         dbus_connection_unref(connection);
1975 }