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         struct connman_service *service;
 165
 166         service = __connman_service_lookup_from_device(device);
 167         __connman_service_set_carrier(service, carrier);
 168
 169         if (carrier == TRUE) {
 170                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 171                 struct connman_element *element;
 172
 173                 device->disconnected = TRUE;
 174
 175                 switch (device->policy) {
 176                 case CONNMAN_DEVICE_POLICY_UNKNOWN:
 177                 case CONNMAN_DEVICE_POLICY_IGNORE:
 178                 case CONNMAN_DEVICE_POLICY_OFF:
 179                 case CONNMAN_DEVICE_POLICY_MANUAL:
 180                         return 0;
 181                 case CONNMAN_DEVICE_POLICY_AUTO:
 182                         break;
 183                 }
 184
 185                 switch (device->element.ipv4.method) {
 186                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 187                 case CONNMAN_IPV4_METHOD_OFF:
 188                         return 0;
 189                 case CONNMAN_IPV4_METHOD_STATIC:
 190                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 191                         break;
 192                 case CONNMAN_IPV4_METHOD_DHCP:
 193                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 194                         break;
 195                 }
 196
 197                 element = connman_element_create(NULL);
 198                 if (element != NULL) {
 199                         element->type  = type;
 200                         element->index = device->element.index;
 201
 202                         if (connman_element_register(element,
 203                                                         &device->element) < 0)
 204                                 connman_element_unref(element);
 205
 206                         device->disconnected = FALSE;
 207
 208                         __connman_service_indicate_configuration(service);
 209                 }
 210         } else
 211                 connman_element_unregister_children(&device->element);
 212
 213         return 0;
 214 }
 215
 216 static int set_powered(struct connman_device *device, connman_bool_t powered)
 217 {
 218         struct connman_device_driver *driver = device->driver;
 219         int err;
 220
 221         DBG("device %p powered %d", device, powered);
 222
 223         if (!driver)
 224                 return -EINVAL;
 225
 226         if (powered == TRUE) {
 227                 if (driver->enable) {
 228                         err = driver->enable(device);
 229                         __connman_notifier_device_type_increase(device->type);
 230                 } else
 231                         err = -EINVAL;
 232         } else {
 233                 g_hash_table_remove_all(device->networks);
 234
 235                 set_carrier(device, FALSE);
 236
 237                 if (driver->disable) {
 238                         err = driver->disable(device);
 239                         __connman_notifier_device_type_decrease(device->type);
 240                 } else
 241                         err = -EINVAL;
 242         }
 243
 244         return err;
 245 }
 246
 247 static int set_policy(DBusConnection *connection,
 248                                 struct connman_device *device,
 249                                         enum connman_device_policy policy)
 250 {
 251         DBusMessage *signal;
 252         DBusMessageIter entry, value;
 253         const char *str, *key = "Policy";
 254         int err = 0;
 255
 256         DBG("device %p policy %d", device, policy);
 257
 258         if (device->policy == policy)
 259                 return 0;
 260
 261         switch (policy) {
 262         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 263                 return -EINVAL;
 264         case CONNMAN_DEVICE_POLICY_IGNORE:
 265                 break;
 266         case CONNMAN_DEVICE_POLICY_OFF:
 267                 if (device->powered == TRUE)
 268                         err = set_powered(device, FALSE);
 269                 break;
 270         case CONNMAN_DEVICE_POLICY_AUTO:
 271         case CONNMAN_DEVICE_POLICY_MANUAL:
 272                 if (device->powered == FALSE)
 273                         err = set_powered(device, TRUE);
 274                 else
 275                         err = set_carrier(device, device->carrier);
 276                 break;
 277         }
 278
 279         if (err < 0)
 280                 return err;
 281
 282         device->policy = policy;
 283
 284         signal = dbus_message_new_signal(device->element.path,
 285                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 286         if (signal == NULL)
 287                 return 0;
 288
 289         dbus_message_iter_init_append(signal, &entry);
 290
 291         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 292
 293         str = policy2string(policy);
 294
 295         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 296                                         DBUS_TYPE_STRING_AS_STRING, &value);
 297         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 298         dbus_message_iter_close_container(&entry, &value);
 299
 300         g_dbus_send_message(connection, signal);
 301
 302         return 0;
 303 }
 304
 305 static void append_path(gpointer key, gpointer value, gpointer user_data)
 306 {
 307         struct connman_element *element = value;
 308         DBusMessageIter *iter = user_data;
 309
 310         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 311                                                         &element->path);
 312 }
 313
 314 static void append_networks(struct connman_device *device,
 315                                                 DBusMessageIter *entry)
 316 {
 317         DBusMessageIter value, iter;
 318         const char *key = "Networks";
 319
 320         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 321
 322         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 323                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 324                                                                 &value);
 325
 326         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 327                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 328         g_hash_table_foreach(device->networks, append_path, &iter);
 329         dbus_message_iter_close_container(&value, &iter);
 330
 331         dbus_message_iter_close_container(entry, &value);
 332 }
 333
 334 static DBusMessage *get_properties(DBusConnection *conn,
 335                                         DBusMessage *msg, void *data)
 336 {
 337         struct connman_device *device = data;
 338         DBusMessage *reply;
 339         DBusMessageIter array, dict, entry;
 340         const char *str;
 341
 342         DBG("conn %p", conn);
 343
 344         if (__connman_security_check_privilege(msg,
 345                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 346                 return __connman_error_permission_denied(msg);
 347
 348         reply = dbus_message_new_method_return(msg);
 349         if (reply == NULL)
 350                 return NULL;
 351
 352         dbus_message_iter_init_append(reply, &array);
 353
 354         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 355                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 356                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 357                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 358
 359         if (device->name != NULL)
 360                 connman_dbus_dict_append_variant(&dict, "Name",
 361                                         DBUS_TYPE_STRING, &device->name);
 362
 363         str = type2string(device->type);
 364         if (str != NULL)
 365                 connman_dbus_dict_append_variant(&dict, "Type",
 366                                                 DBUS_TYPE_STRING, &str);
 367
 368         if (device->address != NULL)
 369                 connman_dbus_dict_append_variant(&dict, "Address",
 370                                         DBUS_TYPE_STRING, &device->address);
 371
 372         if (device->interface != NULL)
 373                 connman_dbus_dict_append_variant(&dict, "Interface",
 374                                         DBUS_TYPE_STRING, &device->interface);
 375
 376         str = policy2string(device->policy);
 377         if (str != NULL)
 378                 connman_dbus_dict_append_variant(&dict, "Policy",
 379                                                 DBUS_TYPE_STRING, &str);
 380
 381         if (device->priority > 0)
 382                 connman_dbus_dict_append_variant(&dict, "Priority",
 383                                         DBUS_TYPE_BYTE, &device->priority);
 384
 385         connman_dbus_dict_append_variant(&dict, "Powered",
 386                                         DBUS_TYPE_BOOLEAN, &device->powered);
 387
 388         if (device->driver && device->driver->scan)
 389                 connman_dbus_dict_append_variant(&dict, "Scanning",
 390                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 391
 392         switch (device->mode) {
 393         case CONNMAN_DEVICE_MODE_UNKNOWN:
 394                 break;
 395         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 396                 __connman_element_append_ipv4(&device->element, &dict);
 397                 break;
 398         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 399         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 400                 if (device->scan_interval > 0)
 401                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 402                                 DBUS_TYPE_UINT16, &device->scan_interval);
 403
 404                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 405                                                                 NULL, &entry);
 406                 append_networks(device, &entry);
 407                 dbus_message_iter_close_container(&dict, &entry);
 408                 break;
 409         }
 410
 411         dbus_message_iter_close_container(&array, &dict);
 412
 413         return reply;
 414 }
 415
 416 static DBusMessage *set_property(DBusConnection *conn,
 417                                         DBusMessage *msg, void *data)
 418 {
 419         struct connman_device *device = data;
 420         DBusMessageIter iter, value;
 421         const char *name;
 422         int type;
 423
 424         DBG("conn %p", conn);
 425
 426         if (dbus_message_iter_init(msg, &iter) == FALSE)
 427                 return __connman_error_invalid_arguments(msg);
 428
 429         dbus_message_iter_get_basic(&iter, &name);
 430         dbus_message_iter_next(&iter);
 431         dbus_message_iter_recurse(&iter, &value);
 432
 433         if (__connman_security_check_privilege(msg,
 434                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 435                 return __connman_error_permission_denied(msg);
 436
 437         type = dbus_message_iter_get_arg_type(&value);
 438
 439         if (g_str_equal(name, "Powered") == TRUE) {
 440                 connman_bool_t powered;
 441                 int err;
 442
 443                 if (type != DBUS_TYPE_BOOLEAN)
 444                         return __connman_error_invalid_arguments(msg);
 445
 446                 dbus_message_iter_get_basic(&value, &powered);
 447
 448                 if (device->powered == powered)
 449                         return __connman_error_invalid_arguments(msg);
 450
 451                 err = set_powered(device, powered);
 452                 if (err < 0 && err != -EINPROGRESS)
 453                         return __connman_error_failed(msg);
 454         } else if (g_str_equal(name, "Policy") == TRUE) {
 455                 enum connman_device_policy policy;
 456                 const char *str;
 457                 int err;
 458
 459                 if (type != DBUS_TYPE_STRING)
 460                         return __connman_error_invalid_arguments(msg);
 461
 462                 dbus_message_iter_get_basic(&value, &str);
 463                 policy = string2policy(str);
 464                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 465                         return __connman_error_invalid_arguments(msg);
 466
 467                 err = set_policy(conn, device, policy);
 468                 if (err < 0)
 469                         return __connman_error_failed(msg);
 470         } else if (g_str_equal(name, "Priority") == TRUE) {
 471                 connman_uint8_t priority;
 472
 473                 if (type != DBUS_TYPE_BYTE)
 474                         return __connman_error_invalid_arguments(msg);
 475
 476                 dbus_message_iter_get_basic(&value, &priority);
 477
 478                 device->priority = priority;
 479         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 480                 connman_uint16_t interval;
 481
 482                 switch (device->mode) {
 483                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 484                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 485                         return __connman_error_invalid_arguments(msg);
 486                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 487                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 488                         break;
 489                 }
 490
 491                 if (type != DBUS_TYPE_UINT16)
 492                         return __connman_error_invalid_arguments(msg);
 493
 494                 dbus_message_iter_get_basic(&value, &interval);
 495
 496                 device->scan_interval = interval;
 497
 498                 if (device->scan_timeout > 0) {
 499                         g_source_remove(device->scan_timeout);
 500                         device->scan_timeout = 0;
 501                 }
 502
 503                 if (device->scan_interval > 0) {
 504                         guint interval = device->scan_interval;
 505                         device->scan_timeout = g_timeout_add_seconds(interval,
 506                                                 device_scan_trigger, device);
 507                 }
 508         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 509                 switch (device->mode) {
 510                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 511                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 512                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 513                         return __connman_error_invalid_arguments(msg);
 514                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 515                         __connman_element_set_ipv4(&device->element,
 516                                                                 name, &value);
 517                         break;
 518                 }
 519         }
 520
 521         __connman_storage_save_device(device);
 522
 523         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 524 }
 525
 526 static DBusMessage *join_network(DBusConnection *conn,
 527                                         DBusMessage *msg, void *data)
 528 {
 529         struct connman_device *device = data;
 530         struct connman_network *network;
 531         enum connman_network_type type;
 532         DBusMessageIter iter, array;
 533         int err, index;
 534
 535         DBG("conn %p", conn);
 536
 537         if (__connman_security_check_privilege(msg,
 538                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 539                 return __connman_error_permission_denied(msg);
 540
 541         if (!device->driver || !device->driver->join)
 542                 return __connman_error_not_supported(msg);
 543
 544         dbus_message_iter_init(msg, &iter);
 545         dbus_message_iter_recurse(&iter, &array);
 546
 547         switch (device->type) {
 548         case CONNMAN_DEVICE_TYPE_WIFI:
 549                 type = CONNMAN_NETWORK_TYPE_WIFI;
 550                 break;
 551         default:
 552                 return __connman_error_not_supported(msg);
 553         }
 554
 555         network = connman_network_create("00_00_00_00_00_00", type);
 556         if (network == NULL)
 557                 return __connman_error_failed(msg);
 558
 559         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 560                 DBusMessageIter entry, value;
 561                 const char *key, *str;
 562
 563                 dbus_message_iter_recurse(&array, &entry);
 564                 dbus_message_iter_get_basic(&entry, &key);
 565
 566                 dbus_message_iter_next(&entry);
 567                 dbus_message_iter_recurse(&entry, &value);
 568
 569                 switch (dbus_message_iter_get_arg_type(&value)) {
 570                 case DBUS_TYPE_STRING:
 571                         dbus_message_iter_get_basic(&value, &str);
 572                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 573                                 connman_network_set_blob(network, key,
 574                                                         str, strlen(str));
 575                         else
 576                                 connman_network_set_string(network, key, str);
 577                         break;
 578                 }
 579
 580                 dbus_message_iter_next(&array);
 581         }
 582
 583         index = connman_device_get_index(device);
 584         connman_network_set_index(network, index);
 585
 586         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 587
 588         err = device->driver->join(device, network);
 589
 590         connman_network_unref(network);
 591
 592         if (err < 0)
 593                 return __connman_error_failed(msg);
 594
 595         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 596 }
 597
 598 static DBusMessage *create_network(DBusConnection *conn,
 599                                         DBusMessage *msg, void *data)
 600 {
 601         DBG("conn %p", conn);
 602
 603         if (__connman_security_check_privilege(msg,
 604                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 605                 return __connman_error_permission_denied(msg);
 606
 607         return __connman_error_invalid_arguments(msg);
 608 }
 609
 610 static DBusMessage *remove_network(DBusConnection *conn,
 611                                         DBusMessage *msg, void *data)
 612 {
 613         DBG("conn %p", conn);
 614
 615         if (__connman_security_check_privilege(msg,
 616                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 617                 return __connman_error_permission_denied(msg);
 618
 619         return __connman_error_invalid_arguments(msg);
 620 }
 621
 622 static DBusMessage *propose_scan(DBusConnection *conn,
 623                                         DBusMessage *msg, void *data)
 624 {
 625         struct connman_device *device = data;
 626         int err;
 627
 628         DBG("conn %p", conn);
 629
 630         switch (device->mode) {
 631         case CONNMAN_DEVICE_MODE_UNKNOWN:
 632         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 633                 return __connman_error_not_supported(msg);
 634         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 635         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 636                 break;
 637         }
 638
 639         if (!device->driver || !device->driver->scan)
 640                 return __connman_error_not_supported(msg);
 641
 642         if (device->powered == FALSE)
 643                 return __connman_error_failed(msg);
 644
 645         err = device->driver->scan(device);
 646         if (err < 0)
 647                 return __connman_error_failed(msg);
 648
 649         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 650 }
 651
 652 static GDBusMethodTable device_methods[] = {
 653         { "GetProperties", "",      "a{sv}", get_properties },
 654         { "SetProperty",   "sv",    "",      set_property   },
 655         { "JoinNetwork",   "a{sv}", "",      join_network   },
 656         { "CreateNetwork", "a{sv}", "o",     create_network },
 657         { "RemoveNetwork", "o",     "",      remove_network },
 658         { "ProposeScan",   "",      "",      propose_scan   },
 659         { },
 660 };
 661
 662 static GDBusSignalTable device_signals[] = {
 663         { "PropertyChanged", "sv" },
 664         { },
 665 };
 666
 667 static DBusConnection *connection;
 668
 669 static void append_devices(DBusMessageIter *entry)
 670 {
 671         DBusMessageIter value, iter;
 672         const char *key = "Devices";
 673
 674         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 675
 676         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 677                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 678                                                                 &value);
 679
 680         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 681                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 682         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 683         dbus_message_iter_close_container(&value, &iter);
 684
 685         dbus_message_iter_close_container(entry, &value);
 686 }
 687
 688 static void emit_devices_signal(void)
 689 {
 690         DBusMessage *signal;
 691         DBusMessageIter entry;
 692
 693         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 694                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 695         if (signal == NULL)
 696                 return;
 697
 698         dbus_message_iter_init_append(signal, &entry);
 699
 700         append_devices(&entry);
 701
 702         g_dbus_send_message(connection, signal);
 703 }
 704
 705 static int register_interface(struct connman_element *element)
 706 {
 707         struct connman_device *device = element->device;
 708
 709         DBG("element %p name %s", element, element->name);
 710
 711         if (g_dbus_register_interface(connection, element->path,
 712                                         CONNMAN_DEVICE_INTERFACE,
 713                                         device_methods, device_signals,
 714                                         NULL, device, NULL) == FALSE) {
 715                 connman_error("Failed to register %s device", element->path);
 716                 return -EIO;
 717         }
 718
 719         device->registered = TRUE;
 720
 721         emit_devices_signal();
 722
 723         return 0;
 724 }
 725
 726 static void unregister_interface(struct connman_element *element)
 727 {
 728         struct connman_device *device = element->device;
 729
 730         DBG("element %p name %s", element, element->name);
 731
 732         device->registered = FALSE;
 733
 734         emit_devices_signal();
 735
 736         g_dbus_unregister_interface(connection, element->path,
 737                                                 CONNMAN_DEVICE_INTERFACE);
 738 }
 739
 740 static void device_enable(struct connman_device *device)
 741 {
 742         DBG("device %p", device);
 743
 744         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 745                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 746                 return;
 747
 748         if (device->powered == TRUE)
 749                 return;
 750
 751         if (device->driver->enable) {
 752                 device->driver->enable(device);
 753                 __connman_notifier_device_type_increase(device->type);
 754         }
 755 }
 756
 757 static void device_disable(struct connman_device *device)
 758 {
 759         DBG("device %p", device);
 760
 761         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 762                 return;
 763
 764         if (device->powered == FALSE)
 765                 return;
 766
 767         g_hash_table_remove_all(device->networks);
 768
 769         if (device->driver->disable) {
 770                 device->driver->disable(device);
 771                 __connman_notifier_device_type_decrease(device->type);
 772         }
 773 }
 774
 775 static int setup_device(struct connman_device *device)
 776 {
 777         int err;
 778
 779         DBG("device %p", device);
 780
 781         err = register_interface(&device->element);
 782         if (err < 0) {
 783                 if (device->driver->remove)
 784                         device->driver->remove(device);
 785                 device->driver = NULL;
 786                 return err;
 787         }
 788
 789         switch (device->mode) {
 790         case CONNMAN_DEVICE_MODE_UNKNOWN:
 791         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 792         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 793                 break;
 794         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 795                 __connman_profile_add_device(device);
 796                 break;
 797         }
 798
 799         device_enable(device);
 800
 801         return 0;
 802 }
 803
 804 static void probe_driver(struct connman_element *element, gpointer user_data)
 805 {
 806         struct connman_device_driver *driver = user_data;
 807
 808         DBG("element %p name %s", element, element->name);
 809
 810         if (element->device == NULL)
 811                 return;
 812
 813         if (element->device->driver != NULL)
 814                 return;
 815
 816         if (driver->type != element->device->type)
 817                 return;
 818
 819         if (driver->probe(element->device) < 0)
 820                 return;
 821
 822         element->device->driver = driver;
 823
 824         setup_device(element->device);
 825 }
 826
 827 static void remove_device(struct connman_device *device)
 828 {
 829         DBG("device %p", device);
 830
 831         device_disable(device);
 832
 833         switch (device->mode) {
 834         case CONNMAN_DEVICE_MODE_UNKNOWN:
 835         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 836         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 837                 break;
 838         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 839                 __connman_profile_remove_device(device);
 840                 break;
 841         }
 842
 843         unregister_interface(&device->element);
 844
 845         if (device->driver->remove)
 846                 device->driver->remove(device);
 847
 848         device->driver = NULL;
 849 }
 850
 851 static void remove_driver(struct connman_element *element, gpointer user_data)
 852 {
 853         struct connman_device_driver *driver = user_data;
 854
 855         DBG("element %p name %s", element, element->name);
 856
 857         if (element->device == NULL)
 858                 return;
 859
 860         if (element->device->driver == driver)
 861                 remove_device(element->device);
 862 }
 863
 864 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 865 {
 866         if (device == NULL || device->driver == NULL)
 867                 return FALSE;
 868
 869         return device->registered;
 870 }
 871
 872 static GSList *driver_list = NULL;
 873
 874 static gint compare_priority(gconstpointer a, gconstpointer b)
 875 {
 876         const struct connman_device_driver *driver1 = a;
 877         const struct connman_device_driver *driver2 = b;
 878
 879         return driver2->priority - driver1->priority;
 880 }
 881
 882 /**
 883  * connman_device_driver_register:
 884  * @driver: device driver definition
 885  *
 886  * Register a new device driver
 887  *
 888  * Returns: %0 on success
 889  */
 890 int connman_device_driver_register(struct connman_device_driver *driver)
 891 {
 892         DBG("driver %p name %s", driver, driver->name);
 893
 894         driver_list = g_slist_insert_sorted(driver_list, driver,
 895                                                         compare_priority);
 896
 897         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 898                                                 probe_driver, driver);
 899
 900         return 0;
 901 }
 902
 903 /**
 904  * connman_device_driver_unregister:
 905  * @driver: device driver definition
 906  *
 907  * Remove a previously registered device driver
 908  */
 909 void connman_device_driver_unregister(struct connman_device_driver *driver)
 910 {
 911         DBG("driver %p name %s", driver, driver->name);
 912
 913         driver_list = g_slist_remove(driver_list, driver);
 914
 915         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 916                                                 remove_driver, driver);
 917 }
 918
 919 static void unregister_network(gpointer data)
 920 {
 921         struct connman_network *network = data;
 922
 923         DBG("network %p", network);
 924
 925         connman_element_unregister((struct connman_element *) network);
 926
 927         connman_network_unref(network);
 928 }
 929
 930 static void device_destruct(struct connman_element *element)
 931 {
 932         struct connman_device *device = element->device;
 933
 934         DBG("element %p name %s", element, element->name);
 935
 936         g_free(device->node);
 937         g_free(device->name);
 938         g_free(device->address);
 939         g_free(device->interface);
 940
 941         g_free(device->last_network);
 942
 943         g_hash_table_destroy(device->networks);
 944         device->networks = NULL;
 945 }
 946
 947 /**
 948  * connman_device_create:
 949  * @node: device node name (for example an address)
 950  * @type: device type
 951  *
 952  * Allocate a new device of given #type and assign the #node name to it.
 953  *
 954  * Returns: a newly-allocated #connman_device structure
 955  */
 956 struct connman_device *connman_device_create(const char *node,
 957                                                 enum connman_device_type type)
 958 {
 959         struct connman_device *device;
 960         const char *str;
 961
 962         DBG("node %s type %d", node, type);
 963
 964         device = g_try_new0(struct connman_device, 1);
 965         if (device == NULL)
 966                 return NULL;
 967
 968         DBG("device %p", device);
 969
 970         __connman_element_initialize(&device->element);
 971
 972         device->element.name = g_strdup(node);
 973         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 974
 975         device->element.device = device;
 976         device->element.destruct = device_destruct;
 977
 978         str = type2string(type);
 979         if (str != NULL)
 980                 connman_element_set_string(&device->element,
 981                                         CONNMAN_PROPERTY_ID_TYPE, str);
 982
 983         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 984
 985         device->type   = type;
 986         device->name   = g_strdup(type2description(device->type));
 987         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 988         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 989
 990         switch (type) {
 991         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 992         case CONNMAN_DEVICE_TYPE_VENDOR:
 993                 device->priority = 0;
 994                 device->scan_interval = 0;
 995                 break;
 996         case CONNMAN_DEVICE_TYPE_ETHERNET:
 997         case CONNMAN_DEVICE_TYPE_WIFI:
 998                 device->priority = 100;
 999                 device->scan_interval = 300;
1000                 break;
1001         case CONNMAN_DEVICE_TYPE_WIMAX:
1002                 device->priority = 20;
1003                 device->scan_interval = 0;
1004                 break;
1005         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1006                 device->priority = 50;
1007                 device->scan_interval = 0;
1008                 break;
1009         case CONNMAN_DEVICE_TYPE_GPS:
1010                 device->priority = 0;
1011                 device->scan_interval = 0;
1012                 break;
1013         case CONNMAN_DEVICE_TYPE_HSO:
1014         case CONNMAN_DEVICE_TYPE_NOZOMI:
1015         case CONNMAN_DEVICE_TYPE_HUAWEI:
1016         case CONNMAN_DEVICE_TYPE_NOVATEL:
1017                 device->priority = 60;
1018                 device->scan_interval = 0;
1019                 break;
1020         }
1021
1022         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1023                                                 g_free, unregister_network);
1024
1025         return device;
1026 }
1027
1028 /**
1029  * connman_device_ref:
1030  * @device: device structure
1031  *
1032  * Increase reference counter of device
1033  */
1034 struct connman_device *connman_device_ref(struct connman_device *device)
1035 {
1036         if (connman_element_ref(&device->element) == NULL)
1037                 return NULL;
1038
1039         return device;
1040 }
1041
1042 /**
1043  * connman_device_unref:
1044  * @device: device structure
1045  *
1046  * Decrease reference counter of device
1047  */
1048 void connman_device_unref(struct connman_device *device)
1049 {
1050         connman_element_unref(&device->element);
1051 }
1052
1053 const char *__connman_device_get_type(struct connman_device *device)
1054 {
1055         return type2string(device->type);
1056 }
1057
1058 /**
1059  * connman_device_get_type:
1060  * @device: device structure
1061  *
1062  * Get type of device
1063  */
1064 enum connman_device_type connman_device_get_type(struct connman_device *device)
1065 {
1066         return device->type;
1067 }
1068
1069 /**
1070  * connman_device_get_name:
1071  * @device: device structure
1072  *
1073  * Get unique name of device
1074  */
1075 const char *connman_device_get_name(struct connman_device *device)
1076 {
1077         return device->element.name;
1078 }
1079
1080 /**
1081  * connman_device_get_path:
1082  * @device: device structure
1083  *
1084  * Get path name of device
1085  */
1086 const char *connman_device_get_path(struct connman_device *device)
1087 {
1088         return device->element.path;
1089 }
1090
1091 /**
1092  * connman_device_set_index:
1093  * @device: device structure
1094  * @index: index number
1095  *
1096  * Set index number of device
1097  */
1098 void connman_device_set_index(struct connman_device *device, int index)
1099 {
1100         device->element.index = index;
1101 }
1102
1103 /**
1104  * connman_device_get_index:
1105  * @device: device structure
1106  *
1107  * Get index number of device
1108  */
1109 int connman_device_get_index(struct connman_device *device)
1110 {
1111         return device->element.index;
1112 }
1113
1114 /**
1115  * connman_device_set_interface:
1116  * @device: device structure
1117  * @interface: interface name
1118  *
1119  * Set interface name of device
1120  */
1121 void connman_device_set_interface(struct connman_device *device,
1122                                                         const char *interface)
1123 {
1124         g_free(device->element.devname);
1125         device->element.devname = g_strdup(interface);
1126
1127         g_free(device->interface);
1128         device->interface = g_strdup(interface);
1129
1130         if (device->name == NULL) {
1131                 const char *str = type2description(device->type);
1132                 if (str != NULL && device->interface != NULL)
1133                         device->name = g_strdup_printf("%s (%s)", str,
1134                                                         device->interface);
1135         }
1136 }
1137
1138 /**
1139  * connman_device_get_interface:
1140  * @device: device structure
1141  *
1142  * Get interface name of device
1143  */
1144 const char *connman_device_get_interface(struct connman_device *device)
1145 {
1146         return device->interface;
1147 }
1148
1149 /**
1150  * connman_device_set_policy:
1151  * @device: device structure
1152  * @policy: power and connection policy
1153  *
1154  * Change power and connection policy of device
1155  */
1156 void connman_device_set_policy(struct connman_device *device,
1157                                         enum connman_device_policy policy)
1158 {
1159         device->policy = policy;
1160 }
1161
1162 /**
1163  * connman_device_set_mode:
1164  * @device: device structure
1165  * @mode: network mode
1166  *
1167  * Change network mode of device
1168  */
1169 void connman_device_set_mode(struct connman_device *device,
1170                                                 enum connman_device_mode mode)
1171 {
1172         device->mode = mode;
1173 }
1174
1175 /**
1176  * connman_device_get_mode:
1177  * @device: device structure
1178  *
1179  * Get network mode of device
1180  */
1181 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1182 {
1183         return device->mode;
1184 }
1185
1186 /**
1187  * connman_device_set_powered:
1188  * @device: device structure
1189  * @powered: powered state
1190  *
1191  * Change power state of device
1192  */
1193 int connman_device_set_powered(struct connman_device *device,
1194                                                 connman_bool_t powered)
1195 {
1196         DBusMessage *signal;
1197         DBusMessageIter entry, value;
1198         const char *key = "Powered";
1199
1200         DBG("driver %p powered %d", device, powered);
1201
1202         if (device->powered == powered)
1203                 return -EALREADY;
1204
1205         device->powered = powered;
1206
1207         if (device->registered == FALSE)
1208                 return 0;
1209
1210         signal = dbus_message_new_signal(device->element.path,
1211                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1212         if (signal == NULL)
1213                 return 0;
1214
1215         dbus_message_iter_init_append(signal, &entry);
1216
1217         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1218
1219         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1220                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1221         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1222         dbus_message_iter_close_container(&entry, &value);
1223
1224         g_dbus_send_message(connection, signal);
1225
1226         if (powered == FALSE)
1227                 return 0;
1228
1229         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1230                 return 0;
1231
1232         if (device->scan_timeout > 0) {
1233                 g_source_remove(device->scan_timeout);
1234                 device->scan_timeout = 0;
1235         }
1236
1237         if (device->scan_interval > 0) {
1238                 guint interval = device->scan_interval;
1239                 device->scan_timeout = g_timeout_add_seconds(interval,
1240                                         device_scan_trigger, device);
1241         }
1242
1243         if (device->driver->scan)
1244                 device->driver->scan(device);
1245
1246         return 0;
1247 }
1248
1249 /**
1250  * connman_device_set_carrier:
1251  * @device: device structure
1252  * @carrier: carrier state
1253  *
1254  * Change carrier state of device (only for device without scanning)
1255  */
1256 int connman_device_set_carrier(struct connman_device *device,
1257                                                 connman_bool_t carrier)
1258 {
1259         DBG("driver %p carrier %d", device, carrier);
1260
1261         switch (device->mode) {
1262         case CONNMAN_DEVICE_MODE_UNKNOWN:
1263         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1264         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1265                 return -EINVAL;
1266         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1267                 break;
1268         }
1269
1270         if (device->carrier == carrier)
1271                 return -EALREADY;
1272
1273         device->carrier = carrier;
1274
1275         return set_carrier(device, device->carrier);
1276 }
1277
1278 int __connman_device_connect(struct connman_device *device)
1279 {
1280         DBG("device %p", device);
1281
1282         if (device->disconnected == FALSE)
1283                 return -EINVAL;
1284
1285         return 0;
1286 }
1287
1288 int __connman_device_disconnect(struct connman_device *device)
1289 {
1290         GHashTableIter iter;
1291         gpointer key, value;
1292
1293         DBG("device %p", device);
1294
1295         connman_device_set_disconnected(device, TRUE);
1296
1297         g_hash_table_iter_init(&iter, device->networks);
1298
1299         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1300                 struct connman_network *network = value;
1301
1302                 if (connman_network_get_connected(network) == TRUE)
1303                         __connman_network_disconnect(network);
1304         }
1305
1306         return 0;
1307 }
1308
1309 static void connect_known_network(struct connman_device *device)
1310 {
1311         struct connman_network *network = NULL;
1312         GHashTableIter iter;
1313         gpointer key, value;
1314         unsigned int count = 0;
1315
1316         DBG("device %p", device);
1317
1318         g_hash_table_iter_init(&iter, device->networks);
1319
1320         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1321                 connman_uint8_t old_priority, new_priority;
1322                 connman_uint8_t old_strength, new_strength;
1323                 const char *name;
1324
1325                 count++;
1326
1327                 if (connman_network_get_available(value) == FALSE)
1328                         continue;
1329
1330                 name = connman_network_get_string(value,
1331                                                 CONNMAN_PROPERTY_ID_NAME);
1332                 if (name != NULL && device->last_network != NULL) {
1333                         if (g_str_equal(name, device->last_network) == TRUE) {
1334                                 network = value;
1335                                 break;
1336                         }
1337                 }
1338
1339                 if (connman_network_get_remember(value) == FALSE)
1340                         continue;
1341
1342                 if (network == NULL) {
1343                         network = value;
1344                         continue;
1345                 }
1346
1347                 old_priority = connman_network_get_uint8(network,
1348                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1349                 new_priority = connman_network_get_uint8(value,
1350                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1351
1352                 if (new_priority != old_priority) {
1353                         if (new_priority > old_priority)
1354                                 network = value;
1355                         continue;
1356                 }
1357
1358                 old_strength = connman_network_get_uint8(network,
1359                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1360                 new_strength = connman_network_get_uint8(value,
1361                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1362
1363                 if (new_strength > old_strength)
1364                         network = value;
1365         }
1366
1367         if (network != NULL) {
1368                 int err;
1369
1370                 err = connman_network_connect(network);
1371                 if (err == 0 || err == -EINPROGRESS)
1372                         return;
1373         }
1374
1375         if (count > 0)
1376                 return;
1377
1378         if (device->driver && device->driver->scan)
1379                 device->driver->scan(device);
1380 }
1381
1382 static void mark_network_unavailable(gpointer key, gpointer value,
1383                                                         gpointer user_data)
1384 {
1385         struct connman_network *network = value;
1386
1387         if (connman_network_get_connected(network) == TRUE)
1388                 return;
1389
1390         connman_network_set_available(network, FALSE);
1391 }
1392
1393 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1394                                                         gpointer user_data)
1395 {
1396         struct connman_network *network = value;
1397
1398         if (connman_network_get_connected(network) == TRUE)
1399                 return FALSE;
1400
1401         if (connman_network_get_remember(network) == TRUE)
1402                 return FALSE;
1403
1404         if (connman_network_get_available(network) == TRUE)
1405                 return FALSE;
1406
1407         return TRUE;
1408 }
1409
1410 /**
1411  * connman_device_set_scanning:
1412  * @device: device structure
1413  * @scanning: scanning state
1414  *
1415  * Change scanning state of device
1416  */
1417 int connman_device_set_scanning(struct connman_device *device,
1418                                                 connman_bool_t scanning)
1419 {
1420         DBusMessage *signal;
1421         DBusMessageIter entry, value;
1422         const char *key = "Scanning";
1423
1424         DBG("driver %p scanning %d", device, scanning);
1425
1426         if (!device->driver || !device->driver->scan)
1427                 return -EINVAL;
1428
1429         if (device->scanning == scanning)
1430                 return -EALREADY;
1431
1432         device->scanning = scanning;
1433
1434         signal = dbus_message_new_signal(device->element.path,
1435                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1436         if (signal == NULL)
1437                 return 0;
1438
1439         dbus_message_iter_init_append(signal, &entry);
1440
1441         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1442
1443         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1444                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1445         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1446         dbus_message_iter_close_container(&entry, &value);
1447
1448         g_dbus_send_message(connection, signal);
1449
1450         if (scanning == TRUE) {
1451                 if (device->scan_timeout > 0) {
1452                         g_source_remove(device->scan_timeout);
1453                         device->scan_timeout = 0;
1454                 }
1455
1456                 if (device->scan_interval > 0) {
1457                         guint interval = device->scan_interval;
1458                         device->scan_timeout = g_timeout_add_seconds(interval,
1459                                                 device_scan_trigger, device);
1460                 }
1461
1462                 g_hash_table_foreach(device->networks,
1463                                         mark_network_unavailable, NULL);
1464                 return 0;
1465         }
1466
1467         g_hash_table_foreach_remove(device->networks,
1468                                         remove_unavailable_network, NULL);
1469
1470         if (device->connections > 0)
1471                 return 0;
1472
1473         if (device->disconnected == TRUE)
1474                 return 0;
1475
1476         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1477                 return 0;
1478
1479         connect_known_network(device);
1480
1481         return 0;
1482 }
1483
1484 /**
1485  * connman_device_set_disconnected:
1486  * @device: device structure
1487  * @disconnected: disconnected state
1488  *
1489  * Change disconnected state of device (only for device with networks)
1490  */
1491 int connman_device_set_disconnected(struct connman_device *device,
1492                                                 connman_bool_t disconnected)
1493 {
1494         DBG("driver %p disconnected %d", device, disconnected);
1495
1496         switch (device->mode) {
1497         case CONNMAN_DEVICE_MODE_UNKNOWN:
1498         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1499                 return -EINVAL;
1500         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1501         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1502                 break;
1503         }
1504
1505         if (device->disconnected == disconnected)
1506                 return -EALREADY;
1507
1508         device->disconnected = disconnected;
1509
1510         return 0;
1511 }
1512
1513 /**
1514  * connman_device_set_string:
1515  * @device: device structure
1516  * @key: unique identifier
1517  * @value: string value
1518  *
1519  * Set string value for specific key
1520  */
1521 int connman_device_set_string(struct connman_device *device,
1522                                         const char *key, const char *value)
1523 {
1524         DBG("device %p key %s value %s", device, key, value);
1525
1526         if (g_str_equal(key, "Address") == TRUE) {
1527                 g_free(device->address);
1528                 device->address = g_strdup(value);
1529         } else if (g_str_equal(key, "Name") == TRUE) {
1530                 g_free(device->name);
1531                 device->name = g_strdup(value);
1532         } else if (g_str_equal(key, "Node") == TRUE) {
1533                 g_free(device->node);
1534                 device->node = g_strdup(value);
1535         }
1536
1537         return connman_element_set_string(&device->element, key, value);
1538 }
1539
1540 /**
1541  * connman_device_get_string:
1542  * @device: device structure
1543  * @key: unique identifier
1544  *
1545  * Get string value for specific key
1546  */
1547 const char *connman_device_get_string(struct connman_device *device,
1548                                                         const char *key)
1549 {
1550         DBG("device %p key %s", device, key);
1551
1552         if (g_str_equal(key, "Address") == TRUE)
1553                 return device->address;
1554         else if (g_str_equal(key, "Name") == TRUE)
1555                 return device->name;
1556         else if (g_str_equal(key, "Node") == TRUE)
1557                 return device->node;
1558
1559         return connman_element_get_string(&device->element, key);
1560 }
1561
1562 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1563 {
1564         struct connman_device *device = element->device;
1565         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1566         connman_bool_t powered;
1567
1568         DBG("element %p name %s", element, element->name);
1569
1570         if (device == NULL)
1571                 return;
1572
1573         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1574
1575         if (device->powered == powered)
1576                 return;
1577
1578         set_powered(device, powered);
1579 }
1580
1581 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1582 {
1583         DBG("offlinmode %d", offlinemode);
1584
1585         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1586                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1587
1588         __connman_notifier_offline_mode(offlinemode);
1589
1590         return 0;
1591 }
1592
1593 void __connman_device_increase_connections(struct connman_device *device)
1594 {
1595         device->connections++;
1596 }
1597
1598 void __connman_device_decrease_connections(struct connman_device *device)
1599 {
1600         device->connections--;
1601 }
1602
1603 /**
1604  * connman_device_add_network:
1605  * @device: device structure
1606  * @network: network structure
1607  *
1608  * Add new network to the device
1609  */
1610 int connman_device_add_network(struct connman_device *device,
1611                                         struct connman_network *network)
1612 {
1613         const char *identifier = connman_network_get_identifier(network);
1614         int err;
1615
1616         DBG("device %p network %p", device, network);
1617
1618         switch (device->mode) {
1619         case CONNMAN_DEVICE_MODE_UNKNOWN:
1620         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1621                 return -EINVAL;
1622         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1623         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1624                 break;
1625         }
1626
1627         __connman_network_set_device(network, device);
1628
1629         __connman_storage_load_network(network);
1630
1631         err = connman_element_register((struct connman_element *) network,
1632                                                         &device->element);
1633         if (err < 0) {
1634                 __connman_network_set_device(network, NULL);
1635                 return err;
1636         }
1637
1638         g_hash_table_insert(device->networks, g_strdup(identifier),
1639                                                                 network);
1640
1641         return 0;
1642 }
1643
1644 /**
1645  * connman_device_get_network:
1646  * @device: device structure
1647  * @identifier: network identifier
1648  *
1649  * Get network for given identifier
1650  */
1651 struct connman_network *connman_device_get_network(struct connman_device *device,
1652                                                         const char *identifier)
1653 {
1654         DBG("device %p identifier %s", device, identifier);
1655
1656         return g_hash_table_lookup(device->networks, identifier);
1657 }
1658
1659 /**
1660  * connman_device_remove_network:
1661  * @device: device structure
1662  * @identifier: network identifier
1663  *
1664  * Remove network for given identifier
1665  */
1666 int connman_device_remove_network(struct connman_device *device,
1667                                                         const char *identifier)
1668 {
1669         DBG("device %p identifier %s", device, identifier);
1670
1671         g_hash_table_remove(device->networks, identifier);
1672
1673         return 0;
1674 }
1675
1676 void __connman_device_set_network(struct connman_device *device,
1677                                         struct connman_network *network)
1678 {
1679         const char *name;
1680
1681         if (network != NULL) {
1682                 name = connman_network_get_string(network,
1683                                                 CONNMAN_PROPERTY_ID_NAME);
1684                 device->last_network = g_strdup(name);
1685         }
1686
1687         device->network = network;
1688 }
1689
1690 /**
1691  * connman_device_register:
1692  * @device: device structure
1693  *
1694  * Register device with the system
1695  */
1696 int connman_device_register(struct connman_device *device)
1697 {
1698         __connman_storage_load_device(device);
1699
1700         switch (device->mode) {
1701         case CONNMAN_DEVICE_MODE_UNKNOWN:
1702         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1703                 break;
1704         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1705         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1706                 __connman_storage_init_network(device);
1707                 break;
1708         }
1709
1710         return connman_element_register(&device->element, NULL);
1711 }
1712
1713 /**
1714  * connman_device_unregister:
1715  * @device: device structure
1716  *
1717  * Unregister device with the system
1718  */
1719 void connman_device_unregister(struct connman_device *device)
1720 {
1721         __connman_storage_save_device(device);
1722
1723         connman_element_unregister(&device->element);
1724 }
1725
1726 /**
1727  * connman_device_get_data:
1728  * @device: device structure
1729  *
1730  * Get private device data pointer
1731  */
1732 void *connman_device_get_data(struct connman_device *device)
1733 {
1734         return device->driver_data;
1735 }
1736
1737 /**
1738  * connman_device_set_data:
1739  * @device: device structure
1740  * @data: data pointer
1741  *
1742  * Set private device data pointer
1743  */
1744 void connman_device_set_data(struct connman_device *device, void *data)
1745 {
1746         device->driver_data = data;
1747 }
1748
1749 static gboolean match_driver(struct connman_device *device,
1750                                         struct connman_device_driver *driver)
1751 {
1752         if (device->type == driver->type ||
1753                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1754                 return TRUE;
1755
1756         return FALSE;
1757 }
1758
1759 static int device_probe(struct connman_element *element)
1760 {
1761         struct connman_device *device = element->device;
1762         GSList *list;
1763
1764         DBG("element %p name %s", element, element->name);
1765
1766         if (device == NULL)
1767                 return -ENODEV;
1768
1769         if (device->driver != NULL)
1770                 return -EALREADY;
1771
1772         for (list = driver_list; list; list = list->next) {
1773                 struct connman_device_driver *driver = list->data;
1774
1775                 if (match_driver(device, driver) == FALSE)
1776                         continue;
1777
1778                 DBG("driver %p name %s", driver, driver->name);
1779
1780                 if (driver->probe(device) == 0) {
1781                         device->driver = driver;
1782                         break;
1783                 }
1784         }
1785
1786         if (device->driver == NULL)
1787                 return -ENODEV;
1788
1789         return setup_device(device);
1790 }
1791
1792 static void device_remove(struct connman_element *element)
1793 {
1794         struct connman_device *device = element->device;
1795
1796         DBG("element %p name %s", element, element->name);
1797
1798         if (device == NULL)
1799                 return;
1800
1801         if (device->driver == NULL)
1802                 return;
1803
1804         remove_device(device);
1805 }
1806
1807 static struct connman_driver device_driver = {
1808         .name           = "device",
1809         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1810         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1811         .probe          = device_probe,
1812         .remove         = device_remove,
1813 };
1814
1815 static int device_load(struct connman_device *device)
1816 {
1817         GKeyFile *keyfile;
1818         gchar *pathname, *data = NULL;
1819         gsize length;
1820         char *str;
1821         int val;
1822
1823         DBG("device %p", device);
1824
1825         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1826                                                         device->element.name);
1827         if (pathname == NULL)
1828                 return -ENOMEM;
1829
1830         keyfile = g_key_file_new();
1831
1832         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1833                 g_free(pathname);
1834                 return -ENOENT;
1835         }
1836
1837         g_free(pathname);
1838
1839         if (g_key_file_load_from_data(keyfile, data, length,
1840                                                         0, NULL) == FALSE) {
1841                 g_free(data);
1842                 return -EILSEQ;
1843         }
1844
1845         g_free(data);
1846
1847         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1848         if (str != NULL) {
1849                 device->policy = string2policy(str);
1850                 g_free(str);
1851         }
1852
1853         val = g_key_file_get_integer(keyfile, "Configuration",
1854                                                         "Priority", NULL);
1855         if (val > 0)
1856                 device->priority = val;
1857
1858         switch (device->mode) {
1859         case CONNMAN_DEVICE_MODE_UNKNOWN:
1860         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1861                 break;
1862         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1863         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1864                 val = g_key_file_get_integer(keyfile, "Configuration",
1865                                                         "ScanInterval", NULL);
1866                 if (val > 0)
1867                         device->scan_interval = val;
1868                 break;
1869         }
1870
1871 #if 0
1872         str = g_key_file_get_string(keyfile, "Configuration",
1873                                                         "LastNetwork", NULL);
1874         if (str != NULL)
1875                 device->last_network = str;
1876 #endif
1877
1878         g_key_file_free(keyfile);
1879
1880         return 0;
1881 }
1882
1883 static int device_save(struct connman_device *device)
1884 {
1885         GKeyFile *keyfile;
1886         gchar *pathname, *data = NULL;
1887         gsize length;
1888         const char *str;
1889
1890         DBG("device %p", device);
1891
1892         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1893                                                         device->element.name);
1894         if (pathname == NULL)
1895                 return -ENOMEM;
1896
1897         keyfile = g_key_file_new();
1898
1899         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1900                 goto update;
1901
1902         if (length > 0) {
1903                 if (g_key_file_load_from_data(keyfile, data, length,
1904                                                         0, NULL) == FALSE)
1905                         goto done;
1906         }
1907
1908         g_free(data);
1909
1910 update:
1911         str = policy2string(device->policy);
1912         if (str != NULL)
1913                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1914
1915         if (device->priority > 0)
1916                 g_key_file_set_integer(keyfile, "Configuration",
1917                                                 "Priority", device->priority);
1918
1919         switch (device->mode) {
1920         case CONNMAN_DEVICE_MODE_UNKNOWN:
1921         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1922                 break;
1923         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1924         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1925                 if (device->scan_interval > 0)
1926                         g_key_file_set_integer(keyfile, "Configuration",
1927                                         "ScanInterval", device->scan_interval);
1928                 break;
1929         }
1930
1931         if (device->last_network != NULL)
1932                 g_key_file_set_string(keyfile, "Configuration",
1933                                         "LastNetwork", device->last_network);
1934
1935         data = g_key_file_to_data(keyfile, &length, NULL);
1936
1937         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1938                 connman_error("Failed to store device information");
1939
1940 done:
1941         g_free(data);
1942
1943         g_key_file_free(keyfile);
1944
1945         g_free(pathname);
1946
1947         if (device->network != NULL)
1948                 __connman_storage_save_network(device->network);
1949
1950         return 0;
1951 }
1952
1953 static struct connman_storage device_storage = {
1954         .name           = "device",
1955         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1956         .device_load    = device_load,
1957         .device_save    = device_save,
1958 };
1959
1960 int __connman_device_init(void)
1961 {
1962         DBG("");
1963
1964         connection = connman_dbus_get_connection();
1965
1966         if (connman_storage_register(&device_storage) < 0)
1967                 connman_error("Failed to register device storage");
1968
1969         return connman_driver_register(&device_driver);
1970 }
1971
1972 void __connman_device_cleanup(void)
1973 {
1974         DBG("");
1975
1976         connman_driver_unregister(&device_driver);
1977
1978         connman_storage_unregister(&device_storage);
1979
1980         dbus_connection_unref(connection);
1981 }