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_powered(struct connman_device *device, connman_bool_t powered)
 163 {
 164         struct connman_device_driver *driver = device->driver;
 165         int err;
 166
 167         DBG("device %p powered %d", device, powered);
 168
 169         if (!driver)
 170                 return -EINVAL;
 171
 172         if (powered == TRUE) {
 173                 if (driver->enable) {
 174                         err = driver->enable(device);
 175                         __connman_notifier_device_type_increase(device->type);
 176                 } else
 177                         err = -EINVAL;
 178         } else {
 179                 g_hash_table_remove_all(device->networks);
 180
 181                 if (driver->disable) {
 182                         err = driver->disable(device);
 183                         __connman_notifier_device_type_decrease(device->type);
 184                 } else
 185                         err = -EINVAL;
 186         }
 187
 188         return err;
 189 }
 190
 191 static int set_policy(DBusConnection *connection,
 192                                 struct connman_device *device,
 193                                         enum connman_device_policy policy)
 194 {
 195         DBusMessage *signal;
 196         DBusMessageIter entry, value;
 197         const char *str, *key = "Policy";
 198         int err = 0;
 199
 200         DBG("device %p policy %d", device, policy);
 201
 202         if (device->policy == policy)
 203                 return 0;
 204
 205         switch (policy) {
 206         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 207                 return -EINVAL;
 208         case CONNMAN_DEVICE_POLICY_IGNORE:
 209                 break;
 210         case CONNMAN_DEVICE_POLICY_OFF:
 211                 if (device->powered == TRUE)
 212                         err = set_powered(device, FALSE);
 213                 break;
 214         case CONNMAN_DEVICE_POLICY_AUTO:
 215         case CONNMAN_DEVICE_POLICY_MANUAL:
 216                 if (device->powered == FALSE)
 217                         err = set_powered(device, TRUE);
 218                 break;
 219         }
 220
 221         if (err < 0)
 222                 return err;
 223
 224         device->policy = policy;
 225
 226         signal = dbus_message_new_signal(device->element.path,
 227                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 228         if (signal == NULL)
 229                 return 0;
 230
 231         dbus_message_iter_init_append(signal, &entry);
 232
 233         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 234
 235         str = policy2string(policy);
 236
 237         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 238                                         DBUS_TYPE_STRING_AS_STRING, &value);
 239         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 240         dbus_message_iter_close_container(&entry, &value);
 241
 242         g_dbus_send_message(connection, signal);
 243
 244         return 0;
 245 }
 246
 247 static void append_path(gpointer key, gpointer value, gpointer user_data)
 248 {
 249         struct connman_element *element = value;
 250         DBusMessageIter *iter = user_data;
 251
 252         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 253                                                         &element->path);
 254 }
 255
 256 static void append_networks(struct connman_device *device,
 257                                                 DBusMessageIter *entry)
 258 {
 259         DBusMessageIter value, iter;
 260         const char *key = "Networks";
 261
 262         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 263
 264         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 265                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 266                                                                 &value);
 267
 268         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 269                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 270         g_hash_table_foreach(device->networks, append_path, &iter);
 271         dbus_message_iter_close_container(&value, &iter);
 272
 273         dbus_message_iter_close_container(entry, &value);
 274 }
 275
 276 static DBusMessage *get_properties(DBusConnection *conn,
 277                                         DBusMessage *msg, void *data)
 278 {
 279         struct connman_device *device = data;
 280         DBusMessage *reply;
 281         DBusMessageIter array, dict, entry;
 282         const char *str;
 283
 284         DBG("conn %p", conn);
 285
 286         if (__connman_security_check_privilege(msg,
 287                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 288                 return __connman_error_permission_denied(msg);
 289
 290         reply = dbus_message_new_method_return(msg);
 291         if (reply == NULL)
 292                 return NULL;
 293
 294         dbus_message_iter_init_append(reply, &array);
 295
 296         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 297                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 298                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 299                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 300
 301         if (device->name != NULL)
 302                 connman_dbus_dict_append_variant(&dict, "Name",
 303                                         DBUS_TYPE_STRING, &device->name);
 304
 305         str = type2string(device->type);
 306         if (str != NULL)
 307                 connman_dbus_dict_append_variant(&dict, "Type",
 308                                                 DBUS_TYPE_STRING, &str);
 309
 310         if (device->address != NULL)
 311                 connman_dbus_dict_append_variant(&dict, "Address",
 312                                         DBUS_TYPE_STRING, &device->address);
 313
 314         if (device->interface != NULL)
 315                 connman_dbus_dict_append_variant(&dict, "Interface",
 316                                         DBUS_TYPE_STRING, &device->interface);
 317
 318         str = policy2string(device->policy);
 319         if (str != NULL)
 320                 connman_dbus_dict_append_variant(&dict, "Policy",
 321                                                 DBUS_TYPE_STRING, &str);
 322
 323         if (device->priority > 0)
 324                 connman_dbus_dict_append_variant(&dict, "Priority",
 325                                         DBUS_TYPE_BYTE, &device->priority);
 326
 327         connman_dbus_dict_append_variant(&dict, "Powered",
 328                                         DBUS_TYPE_BOOLEAN, &device->powered);
 329
 330         if (device->driver && device->driver->scan)
 331                 connman_dbus_dict_append_variant(&dict, "Scanning",
 332                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 333
 334         switch (device->mode) {
 335         case CONNMAN_DEVICE_MODE_UNKNOWN:
 336                 break;
 337         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 338                 __connman_element_append_ipv4(&device->element, &dict);
 339                 break;
 340         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 341         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 342                 if (device->scan_interval > 0)
 343                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 344                                 DBUS_TYPE_UINT16, &device->scan_interval);
 345
 346                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 347                                                                 NULL, &entry);
 348                 append_networks(device, &entry);
 349                 dbus_message_iter_close_container(&dict, &entry);
 350                 break;
 351         }
 352
 353         dbus_message_iter_close_container(&array, &dict);
 354
 355         return reply;
 356 }
 357
 358 static DBusMessage *set_property(DBusConnection *conn,
 359                                         DBusMessage *msg, void *data)
 360 {
 361         struct connman_device *device = data;
 362         DBusMessageIter iter, value;
 363         const char *name;
 364         int type;
 365
 366         DBG("conn %p", conn);
 367
 368         if (dbus_message_iter_init(msg, &iter) == FALSE)
 369                 return __connman_error_invalid_arguments(msg);
 370
 371         dbus_message_iter_get_basic(&iter, &name);
 372         dbus_message_iter_next(&iter);
 373         dbus_message_iter_recurse(&iter, &value);
 374
 375         if (__connman_security_check_privilege(msg,
 376                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 377                 return __connman_error_permission_denied(msg);
 378
 379         type = dbus_message_iter_get_arg_type(&value);
 380
 381         if (g_str_equal(name, "Powered") == TRUE) {
 382                 connman_bool_t powered;
 383                 int err;
 384
 385                 if (type != DBUS_TYPE_BOOLEAN)
 386                         return __connman_error_invalid_arguments(msg);
 387
 388                 dbus_message_iter_get_basic(&value, &powered);
 389
 390                 if (device->powered == powered)
 391                         return __connman_error_invalid_arguments(msg);
 392
 393                 err = set_powered(device, powered);
 394                 if (err < 0 && err != -EINPROGRESS)
 395                         return __connman_error_failed(msg);
 396         } else if (g_str_equal(name, "Policy") == TRUE) {
 397                 enum connman_device_policy policy;
 398                 const char *str;
 399                 int err;
 400
 401                 if (type != DBUS_TYPE_STRING)
 402                         return __connman_error_invalid_arguments(msg);
 403
 404                 dbus_message_iter_get_basic(&value, &str);
 405                 policy = string2policy(str);
 406                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 407                         return __connman_error_invalid_arguments(msg);
 408
 409                 err = set_policy(conn, device, policy);
 410                 if (err < 0)
 411                         return __connman_error_failed(msg);
 412         } else if (g_str_equal(name, "Priority") == TRUE) {
 413                 connman_uint8_t priority;
 414
 415                 if (type != DBUS_TYPE_BYTE)
 416                         return __connman_error_invalid_arguments(msg);
 417
 418                 dbus_message_iter_get_basic(&value, &priority);
 419
 420                 device->priority = priority;
 421         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 422                 connman_uint16_t interval;
 423
 424                 switch (device->mode) {
 425                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 426                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 427                         return __connman_error_invalid_arguments(msg);
 428                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 429                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 430                         break;
 431                 }
 432
 433                 if (type != DBUS_TYPE_UINT16)
 434                         return __connman_error_invalid_arguments(msg);
 435
 436                 dbus_message_iter_get_basic(&value, &interval);
 437
 438                 device->scan_interval = interval;
 439
 440                 if (device->scan_timeout > 0) {
 441                         g_source_remove(device->scan_timeout);
 442                         device->scan_timeout = 0;
 443                 }
 444
 445                 if (device->scan_interval > 0) {
 446                         guint interval = device->scan_interval;
 447                         device->scan_timeout = g_timeout_add_seconds(interval,
 448                                                 device_scan_trigger, device);
 449                 }
 450         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 451                 switch (device->mode) {
 452                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 453                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 454                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 455                         return __connman_error_invalid_arguments(msg);
 456                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 457                         __connman_element_set_ipv4(&device->element,
 458                                                                 name, &value);
 459                         break;
 460                 }
 461         }
 462
 463         __connman_storage_save_device(device);
 464
 465         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 466 }
 467
 468 static DBusMessage *join_network(DBusConnection *conn,
 469                                         DBusMessage *msg, void *data)
 470 {
 471         struct connman_device *device = data;
 472         struct connman_network *network;
 473         enum connman_network_type type;
 474         DBusMessageIter iter, array;
 475         int err, index;
 476
 477         DBG("conn %p", conn);
 478
 479         if (__connman_security_check_privilege(msg,
 480                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 481                 return __connman_error_permission_denied(msg);
 482
 483         if (!device->driver || !device->driver->join)
 484                 return __connman_error_not_supported(msg);
 485
 486         dbus_message_iter_init(msg, &iter);
 487         dbus_message_iter_recurse(&iter, &array);
 488
 489         switch (device->type) {
 490         case CONNMAN_DEVICE_TYPE_WIFI:
 491                 type = CONNMAN_NETWORK_TYPE_WIFI;
 492                 break;
 493         default:
 494                 return __connman_error_not_supported(msg);
 495         }
 496
 497         network = connman_network_create("00_00_00_00_00_00", type);
 498         if (network == NULL)
 499                 return __connman_error_failed(msg);
 500
 501         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 502                 DBusMessageIter entry, value;
 503                 const char *key, *str;
 504
 505                 dbus_message_iter_recurse(&array, &entry);
 506                 dbus_message_iter_get_basic(&entry, &key);
 507
 508                 dbus_message_iter_next(&entry);
 509                 dbus_message_iter_recurse(&entry, &value);
 510
 511                 switch (dbus_message_iter_get_arg_type(&value)) {
 512                 case DBUS_TYPE_STRING:
 513                         dbus_message_iter_get_basic(&value, &str);
 514                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 515                                 connman_network_set_blob(network, key,
 516                                                         str, strlen(str));
 517                         else
 518                                 connman_network_set_string(network, key, str);
 519                         break;
 520                 }
 521
 522                 dbus_message_iter_next(&array);
 523         }
 524
 525         index = connman_device_get_index(device);
 526         connman_network_set_index(network, index);
 527
 528         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 529
 530         err = device->driver->join(device, network);
 531
 532         connman_network_unref(network);
 533
 534         if (err < 0)
 535                 return __connman_error_failed(msg);
 536
 537         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 538 }
 539
 540 static DBusMessage *create_network(DBusConnection *conn,
 541                                         DBusMessage *msg, void *data)
 542 {
 543         DBG("conn %p", conn);
 544
 545         if (__connman_security_check_privilege(msg,
 546                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 547                 return __connman_error_permission_denied(msg);
 548
 549         return __connman_error_invalid_arguments(msg);
 550 }
 551
 552 static DBusMessage *remove_network(DBusConnection *conn,
 553                                         DBusMessage *msg, void *data)
 554 {
 555         DBG("conn %p", conn);
 556
 557         if (__connman_security_check_privilege(msg,
 558                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 559                 return __connman_error_permission_denied(msg);
 560
 561         return __connman_error_invalid_arguments(msg);
 562 }
 563
 564 static DBusMessage *propose_scan(DBusConnection *conn,
 565                                         DBusMessage *msg, void *data)
 566 {
 567         struct connman_device *device = data;
 568         int err;
 569
 570         DBG("conn %p", conn);
 571
 572         switch (device->mode) {
 573         case CONNMAN_DEVICE_MODE_UNKNOWN:
 574         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 575                 return __connman_error_not_supported(msg);
 576         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 577         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 578                 break;
 579         }
 580
 581         if (!device->driver || !device->driver->scan)
 582                 return __connman_error_not_supported(msg);
 583
 584         if (device->powered == FALSE)
 585                 return __connman_error_failed(msg);
 586
 587         err = device->driver->scan(device);
 588         if (err < 0)
 589                 return __connman_error_failed(msg);
 590
 591         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 592 }
 593
 594 static GDBusMethodTable device_methods[] = {
 595         { "GetProperties", "",      "a{sv}", get_properties },
 596         { "SetProperty",   "sv",    "",      set_property   },
 597         { "JoinNetwork",   "a{sv}", "",      join_network   },
 598         { "CreateNetwork", "a{sv}", "o",     create_network },
 599         { "RemoveNetwork", "o",     "",      remove_network },
 600         { "ProposeScan",   "",      "",      propose_scan   },
 601         { },
 602 };
 603
 604 static GDBusSignalTable device_signals[] = {
 605         { "PropertyChanged", "sv" },
 606         { },
 607 };
 608
 609 static DBusConnection *connection;
 610
 611 static void append_devices(DBusMessageIter *entry)
 612 {
 613         DBusMessageIter value, iter;
 614         const char *key = "Devices";
 615
 616         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 617
 618         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 619                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 620                                                                 &value);
 621
 622         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 623                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 624         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 625         dbus_message_iter_close_container(&value, &iter);
 626
 627         dbus_message_iter_close_container(entry, &value);
 628 }
 629
 630 static void emit_devices_signal(void)
 631 {
 632         DBusMessage *signal;
 633         DBusMessageIter entry;
 634
 635         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 636                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 637         if (signal == NULL)
 638                 return;
 639
 640         dbus_message_iter_init_append(signal, &entry);
 641
 642         append_devices(&entry);
 643
 644         g_dbus_send_message(connection, signal);
 645 }
 646
 647 static int register_interface(struct connman_element *element)
 648 {
 649         struct connman_device *device = element->device;
 650
 651         DBG("element %p name %s", element, element->name);
 652
 653         if (g_dbus_register_interface(connection, element->path,
 654                                         CONNMAN_DEVICE_INTERFACE,
 655                                         device_methods, device_signals,
 656                                         NULL, device, NULL) == FALSE) {
 657                 connman_error("Failed to register %s device", element->path);
 658                 return -EIO;
 659         }
 660
 661         device->registered = TRUE;
 662
 663         emit_devices_signal();
 664
 665         return 0;
 666 }
 667
 668 static void unregister_interface(struct connman_element *element)
 669 {
 670         struct connman_device *device = element->device;
 671
 672         DBG("element %p name %s", element, element->name);
 673
 674         device->registered = FALSE;
 675
 676         emit_devices_signal();
 677
 678         g_dbus_unregister_interface(connection, element->path,
 679                                                 CONNMAN_DEVICE_INTERFACE);
 680 }
 681
 682 static void device_enable(struct connman_device *device)
 683 {
 684         DBG("device %p", device);
 685
 686         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 687                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 688                 return;
 689
 690         if (device->powered == TRUE)
 691                 return;
 692
 693         if (device->driver->enable) {
 694                 device->driver->enable(device);
 695                 __connman_notifier_device_type_increase(device->type);
 696         }
 697 }
 698
 699 static void device_disable(struct connman_device *device)
 700 {
 701         DBG("device %p", device);
 702
 703         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 704                 return;
 705
 706         if (device->powered == FALSE)
 707                 return;
 708
 709         g_hash_table_remove_all(device->networks);
 710
 711         if (device->driver->disable) {
 712                 device->driver->disable(device);
 713                 __connman_notifier_device_type_decrease(device->type);
 714         }
 715 }
 716
 717 static int setup_device(struct connman_device *device)
 718 {
 719         int err;
 720
 721         DBG("device %p", device);
 722
 723         err = register_interface(&device->element);
 724         if (err < 0) {
 725                 if (device->driver->remove)
 726                         device->driver->remove(device);
 727                 device->driver = NULL;
 728                 return err;
 729         }
 730
 731         switch (device->mode) {
 732         case CONNMAN_DEVICE_MODE_UNKNOWN:
 733         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 734         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 735                 break;
 736         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 737                 __connman_profile_add_device(device);
 738                 break;
 739         }
 740
 741         device_enable(device);
 742
 743         return 0;
 744 }
 745
 746 static void probe_driver(struct connman_element *element, gpointer user_data)
 747 {
 748         struct connman_device_driver *driver = user_data;
 749
 750         DBG("element %p name %s", element, element->name);
 751
 752         if (element->device == NULL)
 753                 return;
 754
 755         if (element->device->driver != NULL)
 756                 return;
 757
 758         if (driver->type != element->device->type)
 759                 return;
 760
 761         if (driver->probe(element->device) < 0)
 762                 return;
 763
 764         element->device->driver = driver;
 765
 766         setup_device(element->device);
 767 }
 768
 769 static void remove_device(struct connman_device *device)
 770 {
 771         DBG("device %p", device);
 772
 773         device_disable(device);
 774
 775         switch (device->mode) {
 776         case CONNMAN_DEVICE_MODE_UNKNOWN:
 777         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 778         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 779                 break;
 780         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 781                 __connman_profile_remove_device(device);
 782                 break;
 783         }
 784
 785         unregister_interface(&device->element);
 786
 787         if (device->driver->remove)
 788                 device->driver->remove(device);
 789
 790         device->driver = NULL;
 791 }
 792
 793 static void remove_driver(struct connman_element *element, gpointer user_data)
 794 {
 795         struct connman_device_driver *driver = user_data;
 796
 797         DBG("element %p name %s", element, element->name);
 798
 799         if (element->device == NULL)
 800                 return;
 801
 802         if (element->device->driver == driver)
 803                 remove_device(element->device);
 804 }
 805
 806 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 807 {
 808         if (device == NULL || device->driver == NULL)
 809                 return FALSE;
 810
 811         return device->registered;
 812 }
 813
 814 static GSList *driver_list = NULL;
 815
 816 static gint compare_priority(gconstpointer a, gconstpointer b)
 817 {
 818         const struct connman_device_driver *driver1 = a;
 819         const struct connman_device_driver *driver2 = b;
 820
 821         return driver2->priority - driver1->priority;
 822 }
 823
 824 /**
 825  * connman_device_driver_register:
 826  * @driver: device driver definition
 827  *
 828  * Register a new device driver
 829  *
 830  * Returns: %0 on success
 831  */
 832 int connman_device_driver_register(struct connman_device_driver *driver)
 833 {
 834         DBG("driver %p name %s", driver, driver->name);
 835
 836         driver_list = g_slist_insert_sorted(driver_list, driver,
 837                                                         compare_priority);
 838
 839         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 840                                                 probe_driver, driver);
 841
 842         return 0;
 843 }
 844
 845 /**
 846  * connman_device_driver_unregister:
 847  * @driver: device driver definition
 848  *
 849  * Remove a previously registered device driver
 850  */
 851 void connman_device_driver_unregister(struct connman_device_driver *driver)
 852 {
 853         DBG("driver %p name %s", driver, driver->name);
 854
 855         driver_list = g_slist_remove(driver_list, driver);
 856
 857         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 858                                                 remove_driver, driver);
 859 }
 860
 861 static void unregister_network(gpointer data)
 862 {
 863         struct connman_network *network = data;
 864
 865         DBG("network %p", network);
 866
 867         connman_element_unregister((struct connman_element *) network);
 868
 869         connman_network_unref(network);
 870 }
 871
 872 static void device_destruct(struct connman_element *element)
 873 {
 874         struct connman_device *device = element->device;
 875
 876         DBG("element %p name %s", element, element->name);
 877
 878         g_free(device->node);
 879         g_free(device->name);
 880         g_free(device->address);
 881         g_free(device->interface);
 882
 883         g_free(device->last_network);
 884
 885         g_hash_table_destroy(device->networks);
 886         device->networks = NULL;
 887 }
 888
 889 /**
 890  * connman_device_create:
 891  * @node: device node name (for example an address)
 892  * @type: device type
 893  *
 894  * Allocate a new device of given #type and assign the #node name to it.
 895  *
 896  * Returns: a newly-allocated #connman_device structure
 897  */
 898 struct connman_device *connman_device_create(const char *node,
 899                                                 enum connman_device_type type)
 900 {
 901         struct connman_device *device;
 902         const char *str;
 903
 904         DBG("node %s type %d", node, type);
 905
 906         device = g_try_new0(struct connman_device, 1);
 907         if (device == NULL)
 908                 return NULL;
 909
 910         DBG("device %p", device);
 911
 912         __connman_element_initialize(&device->element);
 913
 914         device->element.name = g_strdup(node);
 915         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 916
 917         device->element.device = device;
 918         device->element.destruct = device_destruct;
 919
 920         str = type2string(type);
 921         if (str != NULL)
 922                 connman_element_set_string(&device->element,
 923                                         CONNMAN_PROPERTY_ID_TYPE, str);
 924
 925         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 926
 927         device->type   = type;
 928         device->name   = g_strdup(type2description(device->type));
 929         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 930         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 931
 932         switch (type) {
 933         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 934         case CONNMAN_DEVICE_TYPE_VENDOR:
 935                 device->priority = 0;
 936                 device->scan_interval = 0;
 937                 break;
 938         case CONNMAN_DEVICE_TYPE_ETHERNET:
 939         case CONNMAN_DEVICE_TYPE_WIFI:
 940                 device->priority = 100;
 941                 device->scan_interval = 300;
 942                 break;
 943         case CONNMAN_DEVICE_TYPE_WIMAX:
 944                 device->priority = 20;
 945                 device->scan_interval = 0;
 946                 break;
 947         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 948                 device->priority = 50;
 949                 device->scan_interval = 0;
 950                 break;
 951         case CONNMAN_DEVICE_TYPE_GPS:
 952                 device->priority = 0;
 953                 device->scan_interval = 0;
 954                 break;
 955         case CONNMAN_DEVICE_TYPE_HSO:
 956         case CONNMAN_DEVICE_TYPE_NOZOMI:
 957         case CONNMAN_DEVICE_TYPE_HUAWEI:
 958         case CONNMAN_DEVICE_TYPE_NOVATEL:
 959                 device->priority = 60;
 960                 device->scan_interval = 0;
 961                 break;
 962         }
 963
 964         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 965                                                 g_free, unregister_network);
 966
 967         return device;
 968 }
 969
 970 /**
 971  * connman_device_ref:
 972  * @device: device structure
 973  *
 974  * Increase reference counter of device
 975  */
 976 struct connman_device *connman_device_ref(struct connman_device *device)
 977 {
 978         if (connman_element_ref(&device->element) == NULL)
 979                 return NULL;
 980
 981         return device;
 982 }
 983
 984 /**
 985  * connman_device_unref:
 986  * @device: device structure
 987  *
 988  * Decrease reference counter of device
 989  */
 990 void connman_device_unref(struct connman_device *device)
 991 {
 992         connman_element_unref(&device->element);
 993 }
 994
 995 const char *__connman_device_get_type(struct connman_device *device)
 996 {
 997         return type2string(device->type);
 998 }
 999
1000 /**
1001  * connman_device_get_name:
1002  * @device: device structure
1003  *
1004  * Get unique name of device
1005  */
1006 const char *connman_device_get_name(struct connman_device *device)
1007 {
1008         return device->element.name;
1009 }
1010
1011 /**
1012  * connman_device_get_path:
1013  * @device: device structure
1014  *
1015  * Get path name of device
1016  */
1017 const char *connman_device_get_path(struct connman_device *device)
1018 {
1019         return device->element.path;
1020 }
1021
1022 /**
1023  * connman_device_set_index:
1024  * @device: device structure
1025  * @index: index number
1026  *
1027  * Set index number of device
1028  */
1029 void connman_device_set_index(struct connman_device *device, int index)
1030 {
1031         device->element.index = index;
1032 }
1033
1034 /**
1035  * connman_device_get_index:
1036  * @device: device structure
1037  *
1038  * Get index number of device
1039  */
1040 int connman_device_get_index(struct connman_device *device)
1041 {
1042         return device->element.index;
1043 }
1044
1045 /**
1046  * connman_device_set_interface:
1047  * @device: device structure
1048  * @interface: interface name
1049  *
1050  * Set interface name of device
1051  */
1052 void connman_device_set_interface(struct connman_device *device,
1053                                                         const char *interface)
1054 {
1055         g_free(device->element.devname);
1056         device->element.devname = g_strdup(interface);
1057
1058         g_free(device->interface);
1059         device->interface = g_strdup(interface);
1060
1061         if (device->name == NULL) {
1062                 const char *str = type2description(device->type);
1063                 if (str != NULL && device->interface != NULL)
1064                         device->name = g_strdup_printf("%s (%s)", str,
1065                                                         device->interface);
1066         }
1067 }
1068
1069 /**
1070  * connman_device_get_interface:
1071  * @device: device structure
1072  *
1073  * Get interface name of device
1074  */
1075 const char *connman_device_get_interface(struct connman_device *device)
1076 {
1077         return device->interface;
1078 }
1079
1080 /**
1081  * connman_device_set_policy:
1082  * @device: device structure
1083  * @policy: power and connection policy
1084  *
1085  * Change power and connection policy of device
1086  */
1087 void connman_device_set_policy(struct connman_device *device,
1088                                         enum connman_device_policy policy)
1089 {
1090         device->policy = policy;
1091 }
1092
1093 /**
1094  * connman_device_set_mode:
1095  * @device: device structure
1096  * @mode: network mode
1097  *
1098  * Change network mode of device
1099  */
1100 void connman_device_set_mode(struct connman_device *device,
1101                                                 enum connman_device_mode mode)
1102 {
1103         device->mode = mode;
1104 }
1105
1106 /**
1107  * connman_device_get_mode:
1108  * @device: device structure
1109  *
1110  * Get network mode of device
1111  */
1112 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1113 {
1114         return device->mode;
1115 }
1116
1117 /**
1118  * connman_device_set_powered:
1119  * @device: device structure
1120  * @powered: powered state
1121  *
1122  * Change power state of device
1123  */
1124 int connman_device_set_powered(struct connman_device *device,
1125                                                 connman_bool_t powered)
1126 {
1127         DBusMessage *signal;
1128         DBusMessageIter entry, value;
1129         const char *key = "Powered";
1130
1131         DBG("driver %p powered %d", device, powered);
1132
1133         if (device->powered == powered)
1134                 return -EALREADY;
1135
1136         device->powered = powered;
1137
1138         if (device->registered == FALSE)
1139                 return 0;
1140
1141         signal = dbus_message_new_signal(device->element.path,
1142                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1143         if (signal == NULL)
1144                 return 0;
1145
1146         dbus_message_iter_init_append(signal, &entry);
1147
1148         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1149
1150         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1151                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1152         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1153         dbus_message_iter_close_container(&entry, &value);
1154
1155         g_dbus_send_message(connection, signal);
1156
1157         if (powered == FALSE)
1158                 return 0;
1159
1160         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1161                 return 0;
1162
1163         if (device->scan_timeout > 0) {
1164                 g_source_remove(device->scan_timeout);
1165                 device->scan_timeout = 0;
1166         }
1167
1168         if (device->scan_interval > 0) {
1169                 guint interval = device->scan_interval;
1170                 device->scan_timeout = g_timeout_add_seconds(interval,
1171                                         device_scan_trigger, device);
1172         }
1173
1174         if (device->driver->scan)
1175                 device->driver->scan(device);
1176
1177         return 0;
1178 }
1179
1180 /**
1181  * connman_device_set_carrier:
1182  * @device: device structure
1183  * @carrier: carrier state
1184  *
1185  * Change carrier state of device (only for device without scanning)
1186  */
1187 int connman_device_set_carrier(struct connman_device *device,
1188                                                 connman_bool_t carrier)
1189 {
1190         DBG("driver %p carrier %d", device, carrier);
1191
1192         switch (device->mode) {
1193         case CONNMAN_DEVICE_MODE_UNKNOWN:
1194         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1195         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1196                 return -EINVAL;
1197         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1198                 break;
1199         }
1200
1201         if (device->carrier == carrier)
1202                 return -EALREADY;
1203
1204         device->carrier = carrier;
1205
1206         if (carrier == TRUE) {
1207                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1208                 struct connman_element *element;
1209
1210                 switch (device->element.ipv4.method) {
1211                 case CONNMAN_IPV4_METHOD_UNKNOWN:
1212                 case CONNMAN_IPV4_METHOD_OFF:
1213                         return 0;
1214                 case CONNMAN_IPV4_METHOD_STATIC:
1215                         type = CONNMAN_ELEMENT_TYPE_IPV4;
1216                         break;
1217                 case CONNMAN_IPV4_METHOD_DHCP:
1218                         type = CONNMAN_ELEMENT_TYPE_DHCP;
1219                         break;
1220                 }
1221
1222                 element = connman_element_create(NULL);
1223                 if (element != NULL) {
1224                         element->type  = type;
1225                         element->index = device->element.index;
1226
1227                         if (connman_element_register(element,
1228                                                         &device->element) < 0)
1229                                 connman_element_unref(element);
1230                 }
1231         } else
1232                 connman_element_unregister_children(&device->element);
1233
1234         return 0;
1235 }
1236
1237 void __connman_device_disconnect(struct connman_device *device)
1238 {
1239         GHashTableIter iter;
1240         gpointer key, value;
1241
1242         DBG("device %p", device);
1243
1244         connman_device_set_disconnected(device, TRUE);
1245
1246         g_hash_table_iter_init(&iter, device->networks);
1247
1248         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1249                 struct connman_network *network = value;
1250
1251                 if (connman_network_get_connected(network) == TRUE)
1252                         __connman_network_disconnect(network);
1253         }
1254 }
1255
1256 static void connect_known_network(struct connman_device *device)
1257 {
1258         struct connman_network *network = NULL;
1259         GHashTableIter iter;
1260         gpointer key, value;
1261         unsigned int count = 0;
1262
1263         DBG("device %p", device);
1264
1265         g_hash_table_iter_init(&iter, device->networks);
1266
1267         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1268                 connman_uint8_t old_priority, new_priority;
1269                 connman_uint8_t old_strength, new_strength;
1270                 const char *name;
1271
1272                 count++;
1273
1274                 if (connman_network_get_available(value) == FALSE)
1275                         continue;
1276
1277                 name = connman_network_get_string(value,
1278                                                 CONNMAN_PROPERTY_ID_NAME);
1279                 if (name != NULL && device->last_network != NULL) {
1280                         if (g_str_equal(name, device->last_network) == TRUE) {
1281                                 network = value;
1282                                 break;
1283                         }
1284                 }
1285
1286                 if (connman_network_get_remember(value) == FALSE)
1287                         continue;
1288
1289                 if (network == NULL) {
1290                         network = value;
1291                         continue;
1292                 }
1293
1294                 old_priority = connman_network_get_uint8(network,
1295                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1296                 new_priority = connman_network_get_uint8(value,
1297                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1298
1299                 if (new_priority != old_priority) {
1300                         if (new_priority > old_priority)
1301                                 network = value;
1302                         continue;
1303                 }
1304
1305                 old_strength = connman_network_get_uint8(network,
1306                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1307                 new_strength = connman_network_get_uint8(value,
1308                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1309
1310                 if (new_strength > old_strength)
1311                         network = value;
1312         }
1313
1314         if (network != NULL) {
1315                 int err;
1316
1317                 err = connman_network_connect(network);
1318                 if (err == 0 || err == -EINPROGRESS)
1319                         return;
1320         }
1321
1322         if (count > 0)
1323                 return;
1324
1325         if (device->driver && device->driver->scan)
1326                 device->driver->scan(device);
1327 }
1328
1329 static void mark_network_unavailable(gpointer key, gpointer value,
1330                                                         gpointer user_data)
1331 {
1332         struct connman_network *network = value;
1333
1334         if (connman_network_get_connected(network) == TRUE)
1335                 return;
1336
1337         connman_network_set_available(network, FALSE);
1338 }
1339
1340 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1341                                                         gpointer user_data)
1342 {
1343         struct connman_network *network = value;
1344
1345         if (connman_network_get_connected(network) == TRUE)
1346                 return FALSE;
1347
1348         if (connman_network_get_remember(network) == TRUE)
1349                 return FALSE;
1350
1351         if (connman_network_get_available(network) == TRUE)
1352                 return FALSE;
1353
1354         return TRUE;
1355 }
1356
1357 /**
1358  * connman_device_set_scanning:
1359  * @device: device structure
1360  * @scanning: scanning state
1361  *
1362  * Change scanning state of device
1363  */
1364 int connman_device_set_scanning(struct connman_device *device,
1365                                                 connman_bool_t scanning)
1366 {
1367         DBusMessage *signal;
1368         DBusMessageIter entry, value;
1369         const char *key = "Scanning";
1370
1371         DBG("driver %p scanning %d", device, scanning);
1372
1373         if (!device->driver || !device->driver->scan)
1374                 return -EINVAL;
1375
1376         if (device->scanning == scanning)
1377                 return -EALREADY;
1378
1379         device->scanning = scanning;
1380
1381         signal = dbus_message_new_signal(device->element.path,
1382                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1383         if (signal == NULL)
1384                 return 0;
1385
1386         dbus_message_iter_init_append(signal, &entry);
1387
1388         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1389
1390         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1391                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1392         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1393         dbus_message_iter_close_container(&entry, &value);
1394
1395         g_dbus_send_message(connection, signal);
1396
1397         if (scanning == TRUE) {
1398                 if (device->scan_timeout > 0) {
1399                         g_source_remove(device->scan_timeout);
1400                         device->scan_timeout = 0;
1401                 }
1402
1403                 if (device->scan_interval > 0) {
1404                         guint interval = device->scan_interval;
1405                         device->scan_timeout = g_timeout_add_seconds(interval,
1406                                                 device_scan_trigger, device);
1407                 }
1408
1409                 g_hash_table_foreach(device->networks,
1410                                         mark_network_unavailable, NULL);
1411                 return 0;
1412         }
1413
1414         g_hash_table_foreach_remove(device->networks,
1415                                         remove_unavailable_network, NULL);
1416
1417         if (device->connections > 0)
1418                 return 0;
1419
1420         if (device->disconnected == TRUE)
1421                 return 0;
1422
1423         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1424                 return 0;
1425
1426         connect_known_network(device);
1427
1428         return 0;
1429 }
1430
1431 /**
1432  * connman_device_set_disconnected:
1433  * @device: device structure
1434  * @disconnected: disconnected state
1435  *
1436  * Change disconnected state of device (only for device with networks)
1437  */
1438 int connman_device_set_disconnected(struct connman_device *device,
1439                                                 connman_bool_t disconnected)
1440 {
1441         DBG("driver %p disconnected %d", device, disconnected);
1442
1443         switch (device->mode) {
1444         case CONNMAN_DEVICE_MODE_UNKNOWN:
1445         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1446                 return -EINVAL;
1447         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1448         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1449                 break;
1450         }
1451
1452         if (device->disconnected == disconnected)
1453                 return -EALREADY;
1454
1455         device->disconnected = disconnected;
1456
1457         return 0;
1458 }
1459
1460 /**
1461  * connman_device_set_string:
1462  * @device: device structure
1463  * @key: unique identifier
1464  * @value: string value
1465  *
1466  * Set string value for specific key
1467  */
1468 int connman_device_set_string(struct connman_device *device,
1469                                         const char *key, const char *value)
1470 {
1471         DBG("device %p key %s value %s", device, key, value);
1472
1473         if (g_str_equal(key, "Address") == TRUE) {
1474                 g_free(device->address);
1475                 device->address = g_strdup(value);
1476         } else if (g_str_equal(key, "Name") == TRUE) {
1477                 g_free(device->name);
1478                 device->name = g_strdup(value);
1479         } else if (g_str_equal(key, "Node") == TRUE) {
1480                 g_free(device->node);
1481                 device->node = g_strdup(value);
1482         }
1483
1484         return connman_element_set_string(&device->element, key, value);
1485 }
1486
1487 /**
1488  * connman_device_get_string:
1489  * @device: device structure
1490  * @key: unique identifier
1491  *
1492  * Get string value for specific key
1493  */
1494 const char *connman_device_get_string(struct connman_device *device,
1495                                                         const char *key)
1496 {
1497         DBG("device %p key %s", device, key);
1498
1499         if (g_str_equal(key, "Address") == TRUE)
1500                 return device->address;
1501         else if (g_str_equal(key, "Name") == TRUE)
1502                 return device->name;
1503         else if (g_str_equal(key, "Node") == TRUE)
1504                 return device->node;
1505
1506         return connman_element_get_string(&device->element, key);
1507 }
1508
1509 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1510 {
1511         struct connman_device *device = element->device;
1512         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1513         connman_bool_t powered;
1514
1515         DBG("element %p name %s", element, element->name);
1516
1517         if (device == NULL)
1518                 return;
1519
1520         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1521
1522         if (device->powered == powered)
1523                 return;
1524
1525         set_powered(device, powered);
1526 }
1527
1528 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1529 {
1530         DBG("offlinmode %d", offlinemode);
1531
1532         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1533                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1534
1535         __connman_notifier_offline_mode(offlinemode);
1536
1537         return 0;
1538 }
1539
1540 void __connman_device_increase_connections(struct connman_device *device)
1541 {
1542         device->connections++;
1543 }
1544
1545 void __connman_device_decrease_connections(struct connman_device *device)
1546 {
1547         device->connections--;
1548 }
1549
1550 /**
1551  * connman_device_add_network:
1552  * @device: device structure
1553  * @network: network structure
1554  *
1555  * Add new network to the device
1556  */
1557 int connman_device_add_network(struct connman_device *device,
1558                                         struct connman_network *network)
1559 {
1560         const char *identifier = connman_network_get_identifier(network);
1561         int err;
1562
1563         DBG("device %p network %p", device, network);
1564
1565         switch (device->mode) {
1566         case CONNMAN_DEVICE_MODE_UNKNOWN:
1567         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1568                 return -EINVAL;
1569         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1570         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1571                 break;
1572         }
1573
1574         __connman_network_set_device(network, device);
1575
1576         __connman_storage_load_network(network);
1577
1578         err = connman_element_register((struct connman_element *) network,
1579                                                         &device->element);
1580         if (err < 0) {
1581                 __connman_network_set_device(network, NULL);
1582                 return err;
1583         }
1584
1585         g_hash_table_insert(device->networks, g_strdup(identifier),
1586                                                                 network);
1587
1588         return 0;
1589 }
1590
1591 /**
1592  * connman_device_get_network:
1593  * @device: device structure
1594  * @identifier: network identifier
1595  *
1596  * Get network for given identifier
1597  */
1598 struct connman_network *connman_device_get_network(struct connman_device *device,
1599                                                         const char *identifier)
1600 {
1601         DBG("device %p identifier %s", device, identifier);
1602
1603         return g_hash_table_lookup(device->networks, identifier);
1604 }
1605
1606 /**
1607  * connman_device_remove_network:
1608  * @device: device structure
1609  * @identifier: network identifier
1610  *
1611  * Remove network for given identifier
1612  */
1613 int connman_device_remove_network(struct connman_device *device,
1614                                                         const char *identifier)
1615 {
1616         DBG("device %p identifier %s", device, identifier);
1617
1618         g_hash_table_remove(device->networks, identifier);
1619
1620         return 0;
1621 }
1622
1623 void __connman_device_set_network(struct connman_device *device,
1624                                         struct connman_network *network)
1625 {
1626         const char *name;
1627
1628         if (network != NULL) {
1629                 name = connman_network_get_string(network,
1630                                                 CONNMAN_PROPERTY_ID_NAME);
1631                 device->last_network = g_strdup(name);
1632         }
1633
1634         device->network = network;
1635 }
1636
1637 /**
1638  * connman_device_register:
1639  * @device: device structure
1640  *
1641  * Register device with the system
1642  */
1643 int connman_device_register(struct connman_device *device)
1644 {
1645         __connman_storage_load_device(device);
1646
1647         switch (device->mode) {
1648         case CONNMAN_DEVICE_MODE_UNKNOWN:
1649         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1650                 break;
1651         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1652         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1653                 __connman_storage_init_network(device);
1654                 break;
1655         }
1656
1657         return connman_element_register(&device->element, NULL);
1658 }
1659
1660 /**
1661  * connman_device_unregister:
1662  * @device: device structure
1663  *
1664  * Unregister device with the system
1665  */
1666 void connman_device_unregister(struct connman_device *device)
1667 {
1668         __connman_storage_save_device(device);
1669
1670         connman_element_unregister(&device->element);
1671 }
1672
1673 /**
1674  * connman_device_get_data:
1675  * @device: device structure
1676  *
1677  * Get private device data pointer
1678  */
1679 void *connman_device_get_data(struct connman_device *device)
1680 {
1681         return device->driver_data;
1682 }
1683
1684 /**
1685  * connman_device_set_data:
1686  * @device: device structure
1687  * @data: data pointer
1688  *
1689  * Set private device data pointer
1690  */
1691 void connman_device_set_data(struct connman_device *device, void *data)
1692 {
1693         device->driver_data = data;
1694 }
1695
1696 static gboolean match_driver(struct connman_device *device,
1697                                         struct connman_device_driver *driver)
1698 {
1699         if (device->type == driver->type ||
1700                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1701                 return TRUE;
1702
1703         return FALSE;
1704 }
1705
1706 static int device_probe(struct connman_element *element)
1707 {
1708         struct connman_device *device = element->device;
1709         GSList *list;
1710
1711         DBG("element %p name %s", element, element->name);
1712
1713         if (device == NULL)
1714                 return -ENODEV;
1715
1716         if (device->driver != NULL)
1717                 return -EALREADY;
1718
1719         for (list = driver_list; list; list = list->next) {
1720                 struct connman_device_driver *driver = list->data;
1721
1722                 if (match_driver(device, driver) == FALSE)
1723                         continue;
1724
1725                 DBG("driver %p name %s", driver, driver->name);
1726
1727                 if (driver->probe(device) == 0) {
1728                         device->driver = driver;
1729                         break;
1730                 }
1731         }
1732
1733         if (device->driver == NULL)
1734                 return -ENODEV;
1735
1736         return setup_device(device);
1737 }
1738
1739 static void device_remove(struct connman_element *element)
1740 {
1741         struct connman_device *device = element->device;
1742
1743         DBG("element %p name %s", element, element->name);
1744
1745         if (device == NULL)
1746                 return;
1747
1748         if (device->driver == NULL)
1749                 return;
1750
1751         remove_device(device);
1752 }
1753
1754 static struct connman_driver device_driver = {
1755         .name           = "device",
1756         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1757         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1758         .probe          = device_probe,
1759         .remove         = device_remove,
1760 };
1761
1762 static int device_load(struct connman_device *device)
1763 {
1764         GKeyFile *keyfile;
1765         gchar *pathname, *data = NULL;
1766         gsize length;
1767         char *str;
1768         int val;
1769
1770         DBG("device %p", device);
1771
1772         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1773                                                         device->element.name);
1774         if (pathname == NULL)
1775                 return -ENOMEM;
1776
1777         keyfile = g_key_file_new();
1778
1779         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1780                 g_free(pathname);
1781                 return -ENOENT;
1782         }
1783
1784         g_free(pathname);
1785
1786         if (g_key_file_load_from_data(keyfile, data, length,
1787                                                         0, NULL) == FALSE) {
1788                 g_free(data);
1789                 return -EILSEQ;
1790         }
1791
1792         g_free(data);
1793
1794         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1795         if (str != NULL) {
1796                 device->policy = string2policy(str);
1797                 g_free(str);
1798         }
1799
1800         val = g_key_file_get_integer(keyfile, "Configuration",
1801                                                         "Priority", NULL);
1802         if (val > 0)
1803                 device->priority = val;
1804
1805         switch (device->mode) {
1806         case CONNMAN_DEVICE_MODE_UNKNOWN:
1807         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1808                 break;
1809         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1810         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1811                 val = g_key_file_get_integer(keyfile, "Configuration",
1812                                                         "ScanInterval", NULL);
1813                 if (val > 0)
1814                         device->scan_interval = val;
1815                 break;
1816         }
1817
1818 #if 0
1819         str = g_key_file_get_string(keyfile, "Configuration",
1820                                                         "LastNetwork", NULL);
1821         if (str != NULL)
1822                 device->last_network = str;
1823 #endif
1824
1825         g_key_file_free(keyfile);
1826
1827         return 0;
1828 }
1829
1830 static int device_save(struct connman_device *device)
1831 {
1832         GKeyFile *keyfile;
1833         gchar *pathname, *data = NULL;
1834         gsize length;
1835         const char *str;
1836
1837         DBG("device %p", device);
1838
1839         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1840                                                         device->element.name);
1841         if (pathname == NULL)
1842                 return -ENOMEM;
1843
1844         keyfile = g_key_file_new();
1845
1846         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1847                 goto update;
1848
1849         if (length > 0) {
1850                 if (g_key_file_load_from_data(keyfile, data, length,
1851                                                         0, NULL) == FALSE)
1852                         goto done;
1853         }
1854
1855         g_free(data);
1856
1857 update:
1858         str = policy2string(device->policy);
1859         if (str != NULL)
1860                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1861
1862         if (device->priority > 0)
1863                 g_key_file_set_integer(keyfile, "Configuration",
1864                                                 "Priority", device->priority);
1865
1866         switch (device->mode) {
1867         case CONNMAN_DEVICE_MODE_UNKNOWN:
1868         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1869                 break;
1870         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1871         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1872                 if (device->scan_interval > 0)
1873                         g_key_file_set_integer(keyfile, "Configuration",
1874                                         "ScanInterval", device->scan_interval);
1875                 break;
1876         }
1877
1878         if (device->last_network != NULL)
1879                 g_key_file_set_string(keyfile, "Configuration",
1880                                         "LastNetwork", device->last_network);
1881
1882         data = g_key_file_to_data(keyfile, &length, NULL);
1883
1884         g_file_set_contents(pathname, data, length, NULL);
1885
1886 done:
1887         g_free(data);
1888
1889         g_key_file_free(keyfile);
1890
1891         g_free(pathname);
1892
1893         if (device->network != NULL)
1894                 __connman_storage_save_network(device->network);
1895
1896         return 0;
1897 }
1898
1899 static struct connman_storage device_storage = {
1900         .name           = "device",
1901         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1902         .device_load    = device_load,
1903         .device_save    = device_save,
1904 };
1905
1906 int __connman_device_init(void)
1907 {
1908         DBG("");
1909
1910         connection = connman_dbus_get_connection();
1911
1912         if (connman_storage_register(&device_storage) < 0)
1913                 connman_error("Failed to register device storage");
1914
1915         return connman_driver_register(&device_driver);
1916 }
1917
1918 void __connman_device_cleanup(void)
1919 {
1920         DBG("");
1921
1922         connman_driver_unregister(&device_driver);
1923
1924         connman_storage_unregister(&device_storage);
1925
1926         dbus_connection_unref(connection);
1927 }