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 secondary;
  39         connman_bool_t powered;
  40         connman_bool_t carrier;
  41         connman_bool_t scanning;
  42         connman_bool_t disconnected;
  43         connman_uint8_t priority;
  44         connman_uint16_t scan_interval;
  45         char *name;
  46         char *node;
  47         char *address;
  48         char *interface;
  49         char *ident;
  50         unsigned int connections;
  51         guint scan_timeout;
  52
  53         struct connman_device_driver *driver;
  54         void *driver_data;
  55
  56         connman_bool_t registered;
  57
  58         char *last_network;
  59         struct connman_network *network;
  60         GHashTable *networks;
  61 };
  62
  63 static gboolean device_scan_trigger(gpointer user_data)
  64 {
  65         struct connman_device *device = user_data;
  66
  67         DBG("device %p", device);
  68
  69         if (device->driver == NULL) {
  70                 device->scan_timeout = 0;
  71                 return FALSE;
  72         }
  73
  74         if (device->driver->scan)
  75                 device->driver->scan(device);
  76
  77         return TRUE;
  78 }
  79
  80 static const char *type2description(enum connman_device_type type)
  81 {
  82         switch (type) {
  83         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  84         case CONNMAN_DEVICE_TYPE_VENDOR:
  85                 break;
  86         case CONNMAN_DEVICE_TYPE_ETHERNET:
  87                 return "Ethernet";
  88         case CONNMAN_DEVICE_TYPE_WIFI:
  89                 return "Wireless";
  90         case CONNMAN_DEVICE_TYPE_WIMAX:
  91                 return "WiMAX";
  92         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  93                 return "Bluetooth";
  94         case CONNMAN_DEVICE_TYPE_GPS:
  95                 return "GPS";
  96         case CONNMAN_DEVICE_TYPE_HSO:
  97         case CONNMAN_DEVICE_TYPE_NOZOMI:
  98         case CONNMAN_DEVICE_TYPE_HUAWEI:
  99         case CONNMAN_DEVICE_TYPE_NOVATEL:
 100                 return "Cellular";
 101         }
 102
 103         return NULL;
 104 }
 105
 106 static const char *type2string(enum connman_device_type type)
 107 {
 108         switch (type) {
 109         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 110         case CONNMAN_DEVICE_TYPE_VENDOR:
 111                 break;
 112         case CONNMAN_DEVICE_TYPE_ETHERNET:
 113                 return "ethernet";
 114         case CONNMAN_DEVICE_TYPE_WIFI:
 115                 return "wifi";
 116         case CONNMAN_DEVICE_TYPE_WIMAX:
 117                 return "wimax";
 118         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 119                 return "bluetooth";
 120         case CONNMAN_DEVICE_TYPE_GPS:
 121                 return "gps";
 122         case CONNMAN_DEVICE_TYPE_HSO:
 123         case CONNMAN_DEVICE_TYPE_HUAWEI:
 124         case CONNMAN_DEVICE_TYPE_NOZOMI:
 125         case CONNMAN_DEVICE_TYPE_NOVATEL:
 126                 return "cellular";
 127         }
 128
 129         return NULL;
 130 }
 131
 132 static const char *policy2string(enum connman_device_policy policy)
 133 {
 134         switch (policy) {
 135         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 136                 break;
 137         case CONNMAN_DEVICE_POLICY_IGNORE:
 138                 return "ignore";
 139         case CONNMAN_DEVICE_POLICY_OFF:
 140                 return "off";
 141         case CONNMAN_DEVICE_POLICY_AUTO:
 142                 return "auto";
 143         case CONNMAN_DEVICE_POLICY_MANUAL:
 144                 return "manual";
 145         }
 146
 147         return NULL;
 148 }
 149
 150 static enum connman_device_policy string2policy(const char *policy)
 151 {
 152         if (g_str_equal(policy, "ignore") == TRUE)
 153                 return CONNMAN_DEVICE_POLICY_IGNORE;
 154         else if (g_str_equal(policy, "off") == TRUE)
 155                 return CONNMAN_DEVICE_POLICY_OFF;
 156         else if (g_str_equal(policy, "auto") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_AUTO;
 158         else if (g_str_equal(policy, "manual") == TRUE)
 159                 return CONNMAN_DEVICE_POLICY_MANUAL;
 160         else
 161                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 162 }
 163
 164 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 165 {
 166         struct connman_service *service;
 167
 168         service = __connman_service_lookup_from_device(device);
 169         __connman_service_set_carrier(service, carrier);
 170
 171         if (carrier == TRUE) {
 172                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 173                 struct connman_element *element;
 174
 175                 device->disconnected = TRUE;
 176
 177                 switch (device->policy) {
 178                 case CONNMAN_DEVICE_POLICY_UNKNOWN:
 179                 case CONNMAN_DEVICE_POLICY_IGNORE:
 180                 case CONNMAN_DEVICE_POLICY_OFF:
 181                 case CONNMAN_DEVICE_POLICY_MANUAL:
 182                         return 0;
 183                 case CONNMAN_DEVICE_POLICY_AUTO:
 184                         break;
 185                 }
 186
 187                 switch (device->element.ipv4.method) {
 188                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 189                 case CONNMAN_IPV4_METHOD_OFF:
 190                         return 0;
 191                 case CONNMAN_IPV4_METHOD_STATIC:
 192                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 193                         break;
 194                 case CONNMAN_IPV4_METHOD_DHCP:
 195                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 196                         break;
 197                 }
 198
 199                 element = connman_element_create(NULL);
 200                 if (element != NULL) {
 201                         element->type  = type;
 202                         element->index = device->element.index;
 203
 204                         if (connman_element_register(element,
 205                                                         &device->element) < 0)
 206                                 connman_element_unref(element);
 207
 208                         device->disconnected = FALSE;
 209
 210                         __connman_service_indicate_configuration(service);
 211                 }
 212         } else
 213                 connman_element_unregister_children(&device->element);
 214
 215         return 0;
 216 }
 217
 218 static int set_powered(struct connman_device *device, connman_bool_t powered)
 219 {
 220         struct connman_device_driver *driver = device->driver;
 221         int err;
 222
 223         DBG("device %p powered %d", device, powered);
 224
 225         if (!driver)
 226                 return -EINVAL;
 227
 228         if (powered == TRUE) {
 229                 if (driver->enable) {
 230                         err = driver->enable(device);
 231                         __connman_notifier_device_type_increase(device->type);
 232                 } else
 233                         err = -EINVAL;
 234         } else {
 235                 g_hash_table_remove_all(device->networks);
 236
 237                 set_carrier(device, FALSE);
 238
 239                 if (driver->disable) {
 240                         err = driver->disable(device);
 241                         __connman_notifier_device_type_decrease(device->type);
 242                 } else
 243                         err = -EINVAL;
 244         }
 245
 246         return err;
 247 }
 248
 249 static int set_policy(DBusConnection *connection,
 250                                 struct connman_device *device,
 251                                         enum connman_device_policy policy)
 252 {
 253         DBusMessage *signal;
 254         DBusMessageIter entry, value;
 255         const char *str, *key = "Policy";
 256         int err = 0;
 257
 258         DBG("device %p policy %d", device, policy);
 259
 260         if (device->policy == policy)
 261                 return 0;
 262
 263         switch (policy) {
 264         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 265                 return -EINVAL;
 266         case CONNMAN_DEVICE_POLICY_IGNORE:
 267                 break;
 268         case CONNMAN_DEVICE_POLICY_OFF:
 269                 if (device->powered == TRUE)
 270                         err = set_powered(device, FALSE);
 271                 break;
 272         case CONNMAN_DEVICE_POLICY_AUTO:
 273         case CONNMAN_DEVICE_POLICY_MANUAL:
 274                 if (device->powered == FALSE)
 275                         err = set_powered(device, TRUE);
 276                 else
 277                         err = set_carrier(device, device->carrier);
 278                 break;
 279         }
 280
 281         if (err < 0)
 282                 return err;
 283
 284         device->policy = policy;
 285
 286         signal = dbus_message_new_signal(device->element.path,
 287                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 288         if (signal == NULL)
 289                 return 0;
 290
 291         dbus_message_iter_init_append(signal, &entry);
 292
 293         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 294
 295         str = policy2string(policy);
 296
 297         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 298                                         DBUS_TYPE_STRING_AS_STRING, &value);
 299         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 300         dbus_message_iter_close_container(&entry, &value);
 301
 302         g_dbus_send_message(connection, signal);
 303
 304         return 0;
 305 }
 306
 307 static void append_path(gpointer key, gpointer value, gpointer user_data)
 308 {
 309         struct connman_element *element = value;
 310         DBusMessageIter *iter = user_data;
 311
 312         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 313                                                         &element->path);
 314 }
 315
 316 static void append_networks(struct connman_device *device,
 317                                                 DBusMessageIter *entry)
 318 {
 319         DBusMessageIter value, iter;
 320         const char *key = "Networks";
 321
 322         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 323
 324         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 325                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 326                                                                 &value);
 327
 328         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 329                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 330         g_hash_table_foreach(device->networks, append_path, &iter);
 331         dbus_message_iter_close_container(&value, &iter);
 332
 333         dbus_message_iter_close_container(entry, &value);
 334 }
 335
 336 static DBusMessage *get_properties(DBusConnection *conn,
 337                                         DBusMessage *msg, void *data)
 338 {
 339         struct connman_device *device = data;
 340         DBusMessage *reply;
 341         DBusMessageIter array, dict, entry;
 342         const char *str;
 343
 344         DBG("conn %p", conn);
 345
 346         if (__connman_security_check_privilege(msg,
 347                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 348                 return __connman_error_permission_denied(msg);
 349
 350         reply = dbus_message_new_method_return(msg);
 351         if (reply == NULL)
 352                 return NULL;
 353
 354         dbus_message_iter_init_append(reply, &array);
 355
 356         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 357                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 358                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 359                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 360
 361         if (device->name != NULL)
 362                 connman_dbus_dict_append_variant(&dict, "Name",
 363                                         DBUS_TYPE_STRING, &device->name);
 364
 365         str = type2string(device->type);
 366         if (str != NULL)
 367                 connman_dbus_dict_append_variant(&dict, "Type",
 368                                                 DBUS_TYPE_STRING, &str);
 369
 370         if (device->address != NULL)
 371                 connman_dbus_dict_append_variant(&dict, "Address",
 372                                         DBUS_TYPE_STRING, &device->address);
 373
 374         if (device->interface != NULL)
 375                 connman_dbus_dict_append_variant(&dict, "Interface",
 376                                         DBUS_TYPE_STRING, &device->interface);
 377
 378         str = policy2string(device->policy);
 379         if (str != NULL)
 380                 connman_dbus_dict_append_variant(&dict, "Policy",
 381                                                 DBUS_TYPE_STRING, &str);
 382
 383         if (device->priority > 0)
 384                 connman_dbus_dict_append_variant(&dict, "Priority",
 385                                         DBUS_TYPE_BYTE, &device->priority);
 386
 387         connman_dbus_dict_append_variant(&dict, "Powered",
 388                                         DBUS_TYPE_BOOLEAN, &device->powered);
 389
 390         if (device->driver && device->driver->scan)
 391                 connman_dbus_dict_append_variant(&dict, "Scanning",
 392                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 393
 394         switch (device->mode) {
 395         case CONNMAN_DEVICE_MODE_UNKNOWN:
 396                 break;
 397         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 398                 __connman_element_append_ipv4(&device->element, &dict);
 399                 break;
 400         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 401         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 402                 if (device->scan_interval > 0)
 403                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 404                                 DBUS_TYPE_UINT16, &device->scan_interval);
 405
 406                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 407                                                                 NULL, &entry);
 408                 append_networks(device, &entry);
 409                 dbus_message_iter_close_container(&dict, &entry);
 410                 break;
 411         }
 412
 413         dbus_message_iter_close_container(&array, &dict);
 414
 415         return reply;
 416 }
 417
 418 static DBusMessage *set_property(DBusConnection *conn,
 419                                         DBusMessage *msg, void *data)
 420 {
 421         struct connman_device *device = data;
 422         DBusMessageIter iter, value;
 423         const char *name;
 424         int type;
 425
 426         DBG("conn %p", conn);
 427
 428         if (dbus_message_iter_init(msg, &iter) == FALSE)
 429                 return __connman_error_invalid_arguments(msg);
 430
 431         dbus_message_iter_get_basic(&iter, &name);
 432         dbus_message_iter_next(&iter);
 433         dbus_message_iter_recurse(&iter, &value);
 434
 435         if (__connman_security_check_privilege(msg,
 436                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 437                 return __connman_error_permission_denied(msg);
 438
 439         type = dbus_message_iter_get_arg_type(&value);
 440
 441         if (g_str_equal(name, "Powered") == TRUE) {
 442                 connman_bool_t powered;
 443                 int err;
 444
 445                 if (type != DBUS_TYPE_BOOLEAN)
 446                         return __connman_error_invalid_arguments(msg);
 447
 448                 dbus_message_iter_get_basic(&value, &powered);
 449
 450                 if (device->powered == powered)
 451                         return __connman_error_invalid_arguments(msg);
 452
 453                 err = set_powered(device, powered);
 454                 if (err < 0 && err != -EINPROGRESS)
 455                         return __connman_error_failed(msg);
 456         } else if (g_str_equal(name, "Policy") == TRUE) {
 457                 enum connman_device_policy policy;
 458                 const char *str;
 459                 int err;
 460
 461                 if (type != DBUS_TYPE_STRING)
 462                         return __connman_error_invalid_arguments(msg);
 463
 464                 dbus_message_iter_get_basic(&value, &str);
 465                 policy = string2policy(str);
 466                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 467                         return __connman_error_invalid_arguments(msg);
 468
 469                 err = set_policy(conn, device, policy);
 470                 if (err < 0)
 471                         return __connman_error_failed(msg);
 472         } else if (g_str_equal(name, "Priority") == TRUE) {
 473                 connman_uint8_t priority;
 474
 475                 if (type != DBUS_TYPE_BYTE)
 476                         return __connman_error_invalid_arguments(msg);
 477
 478                 dbus_message_iter_get_basic(&value, &priority);
 479
 480                 device->priority = priority;
 481         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 482                 connman_uint16_t interval;
 483
 484                 switch (device->mode) {
 485                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 486                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 487                         return __connman_error_invalid_arguments(msg);
 488                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 489                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 490                         break;
 491                 }
 492
 493                 if (type != DBUS_TYPE_UINT16)
 494                         return __connman_error_invalid_arguments(msg);
 495
 496                 dbus_message_iter_get_basic(&value, &interval);
 497
 498                 device->scan_interval = interval;
 499
 500                 if (device->scan_timeout > 0) {
 501                         g_source_remove(device->scan_timeout);
 502                         device->scan_timeout = 0;
 503                 }
 504
 505                 if (device->scan_interval > 0) {
 506                         guint interval = device->scan_interval;
 507                         device->scan_timeout = g_timeout_add_seconds(interval,
 508                                                 device_scan_trigger, device);
 509                 }
 510         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 511                 switch (device->mode) {
 512                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 513                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 514                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 515                         return __connman_error_invalid_arguments(msg);
 516                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 517                         __connman_element_set_ipv4(&device->element,
 518                                                                 name, &value);
 519                         break;
 520                 }
 521         }
 522
 523         __connman_storage_save_device(device);
 524
 525         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 526 }
 527
 528 static DBusMessage *join_network(DBusConnection *conn,
 529                                         DBusMessage *msg, void *data)
 530 {
 531         struct connman_device *device = data;
 532         struct connman_network *network;
 533         enum connman_network_type type;
 534         DBusMessageIter iter, array;
 535         int err, index;
 536
 537         DBG("conn %p", conn);
 538
 539         if (__connman_security_check_privilege(msg,
 540                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 541                 return __connman_error_permission_denied(msg);
 542
 543         if (!device->driver || !device->driver->join)
 544                 return __connman_error_not_supported(msg);
 545
 546         dbus_message_iter_init(msg, &iter);
 547         dbus_message_iter_recurse(&iter, &array);
 548
 549         switch (device->type) {
 550         case CONNMAN_DEVICE_TYPE_WIFI:
 551                 type = CONNMAN_NETWORK_TYPE_WIFI;
 552                 break;
 553         default:
 554                 return __connman_error_not_supported(msg);
 555         }
 556
 557         network = connman_network_create("00_00_00_00_00_00", type);
 558         if (network == NULL)
 559                 return __connman_error_failed(msg);
 560
 561         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 562                 DBusMessageIter entry, value;
 563                 const char *key, *str;
 564
 565                 dbus_message_iter_recurse(&array, &entry);
 566                 dbus_message_iter_get_basic(&entry, &key);
 567
 568                 dbus_message_iter_next(&entry);
 569                 dbus_message_iter_recurse(&entry, &value);
 570
 571                 switch (dbus_message_iter_get_arg_type(&value)) {
 572                 case DBUS_TYPE_STRING:
 573                         dbus_message_iter_get_basic(&value, &str);
 574                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 575                                 connman_network_set_blob(network, key,
 576                                                         str, strlen(str));
 577                         else
 578                                 connman_network_set_string(network, key, str);
 579                         break;
 580                 }
 581
 582                 dbus_message_iter_next(&array);
 583         }
 584
 585         index = connman_device_get_index(device);
 586         connman_network_set_index(network, index);
 587
 588         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 589
 590         err = device->driver->join(device, network);
 591
 592         connman_network_unref(network);
 593
 594         if (err < 0)
 595                 return __connman_error_failed(msg);
 596
 597         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 598 }
 599
 600 static DBusMessage *create_network(DBusConnection *conn,
 601                                         DBusMessage *msg, void *data)
 602 {
 603         DBG("conn %p", conn);
 604
 605         if (__connman_security_check_privilege(msg,
 606                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 607                 return __connman_error_permission_denied(msg);
 608
 609         return __connman_error_invalid_arguments(msg);
 610 }
 611
 612 static DBusMessage *remove_network(DBusConnection *conn,
 613                                         DBusMessage *msg, void *data)
 614 {
 615         DBG("conn %p", conn);
 616
 617         if (__connman_security_check_privilege(msg,
 618                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 619                 return __connman_error_permission_denied(msg);
 620
 621         return __connman_error_invalid_arguments(msg);
 622 }
 623
 624 static DBusMessage *propose_scan(DBusConnection *conn,
 625                                         DBusMessage *msg, void *data)
 626 {
 627         struct connman_device *device = data;
 628         int err;
 629
 630         DBG("conn %p", conn);
 631
 632         switch (device->mode) {
 633         case CONNMAN_DEVICE_MODE_UNKNOWN:
 634         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 635                 return __connman_error_not_supported(msg);
 636         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 637         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 638                 break;
 639         }
 640
 641         if (!device->driver || !device->driver->scan)
 642                 return __connman_error_not_supported(msg);
 643
 644         if (device->powered == FALSE)
 645                 return __connman_error_failed(msg);
 646
 647         err = device->driver->scan(device);
 648         if (err < 0)
 649                 return __connman_error_failed(msg);
 650
 651         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 652 }
 653
 654 static GDBusMethodTable device_methods[] = {
 655         { "GetProperties", "",      "a{sv}", get_properties },
 656         { "SetProperty",   "sv",    "",      set_property   },
 657         { "JoinNetwork",   "a{sv}", "",      join_network   },
 658         { "CreateNetwork", "a{sv}", "o",     create_network },
 659         { "RemoveNetwork", "o",     "",      remove_network },
 660         { "ProposeScan",   "",      "",      propose_scan   },
 661         { },
 662 };
 663
 664 static GDBusSignalTable device_signals[] = {
 665         { "PropertyChanged", "sv" },
 666         { },
 667 };
 668
 669 static DBusConnection *connection;
 670
 671 static void append_devices(DBusMessageIter *entry)
 672 {
 673         DBusMessageIter value, iter;
 674         const char *key = "Devices";
 675
 676         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 677
 678         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 679                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 680                                                                 &value);
 681
 682         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 683                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 684         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 685         dbus_message_iter_close_container(&value, &iter);
 686
 687         dbus_message_iter_close_container(entry, &value);
 688 }
 689
 690 static void emit_devices_signal(void)
 691 {
 692         DBusMessage *signal;
 693         DBusMessageIter entry;
 694
 695         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 696                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 697         if (signal == NULL)
 698                 return;
 699
 700         dbus_message_iter_init_append(signal, &entry);
 701
 702         append_devices(&entry);
 703
 704         g_dbus_send_message(connection, signal);
 705 }
 706
 707 static int register_interface(struct connman_element *element)
 708 {
 709         struct connman_device *device = element->device;
 710
 711         DBG("element %p name %s", element, element->name);
 712
 713         if (g_dbus_register_interface(connection, element->path,
 714                                         CONNMAN_DEVICE_INTERFACE,
 715                                         device_methods, device_signals,
 716                                         NULL, device, NULL) == FALSE) {
 717                 connman_error("Failed to register %s device", element->path);
 718                 return -EIO;
 719         }
 720
 721         device->registered = TRUE;
 722
 723         emit_devices_signal();
 724
 725         return 0;
 726 }
 727
 728 static void unregister_interface(struct connman_element *element)
 729 {
 730         struct connman_device *device = element->device;
 731
 732         DBG("element %p name %s", element, element->name);
 733
 734         device->registered = FALSE;
 735
 736         emit_devices_signal();
 737
 738         g_dbus_unregister_interface(connection, element->path,
 739                                                 CONNMAN_DEVICE_INTERFACE);
 740 }
 741
 742 static void device_enable(struct connman_device *device)
 743 {
 744         DBG("device %p", device);
 745
 746         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 747                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 748                 return;
 749
 750         if (device->powered == TRUE)
 751                 return;
 752
 753         if (device->driver->enable) {
 754                 device->driver->enable(device);
 755                 __connman_notifier_device_type_increase(device->type);
 756         }
 757 }
 758
 759 static void device_disable(struct connman_device *device)
 760 {
 761         DBG("device %p", device);
 762
 763         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 764                 return;
 765
 766         if (device->powered == FALSE)
 767                 return;
 768
 769         g_hash_table_remove_all(device->networks);
 770
 771         if (device->driver->disable) {
 772                 device->driver->disable(device);
 773                 __connman_notifier_device_type_decrease(device->type);
 774         }
 775 }
 776
 777 static int setup_device(struct connman_device *device)
 778 {
 779         int err;
 780
 781         DBG("device %p", device);
 782
 783         err = register_interface(&device->element);
 784         if (err < 0) {
 785                 if (device->driver->remove)
 786                         device->driver->remove(device);
 787                 device->driver = NULL;
 788                 return err;
 789         }
 790
 791         switch (device->mode) {
 792         case CONNMAN_DEVICE_MODE_UNKNOWN:
 793         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 794         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 795                 break;
 796         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 797                 if (device->secondary == FALSE)
 798                         __connman_profile_add_device(device);
 799                 break;
 800         }
 801
 802         device_enable(device);
 803
 804         return 0;
 805 }
 806
 807 static void probe_driver(struct connman_element *element, gpointer user_data)
 808 {
 809         struct connman_device_driver *driver = user_data;
 810
 811         DBG("element %p name %s", element, element->name);
 812
 813         if (element->device == NULL)
 814                 return;
 815
 816         if (element->device->driver != NULL)
 817                 return;
 818
 819         if (driver->type != element->device->type)
 820                 return;
 821
 822         if (driver->probe(element->device) < 0)
 823                 return;
 824
 825         element->device->driver = driver;
 826
 827         setup_device(element->device);
 828 }
 829
 830 static void remove_device(struct connman_device *device)
 831 {
 832         DBG("device %p", device);
 833
 834         device_disable(device);
 835
 836         switch (device->mode) {
 837         case CONNMAN_DEVICE_MODE_UNKNOWN:
 838         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 839         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 840                 break;
 841         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 842                 if (device->secondary == FALSE)
 843                         __connman_profile_remove_device(device);
 844                 break;
 845         }
 846
 847         unregister_interface(&device->element);
 848
 849         if (device->driver->remove)
 850                 device->driver->remove(device);
 851
 852         device->driver = NULL;
 853 }
 854
 855 static void remove_driver(struct connman_element *element, gpointer user_data)
 856 {
 857         struct connman_device_driver *driver = user_data;
 858
 859         DBG("element %p name %s", element, element->name);
 860
 861         if (element->device == NULL)
 862                 return;
 863
 864         if (element->device->driver == driver)
 865                 remove_device(element->device);
 866 }
 867
 868 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 869 {
 870         if (device == NULL || device->driver == NULL)
 871                 return FALSE;
 872
 873         return device->registered;
 874 }
 875
 876 static GSList *driver_list = NULL;
 877
 878 static gint compare_priority(gconstpointer a, gconstpointer b)
 879 {
 880         const struct connman_device_driver *driver1 = a;
 881         const struct connman_device_driver *driver2 = b;
 882
 883         return driver2->priority - driver1->priority;
 884 }
 885
 886 /**
 887  * connman_device_driver_register:
 888  * @driver: device driver definition
 889  *
 890  * Register a new device driver
 891  *
 892  * Returns: %0 on success
 893  */
 894 int connman_device_driver_register(struct connman_device_driver *driver)
 895 {
 896         DBG("driver %p name %s", driver, driver->name);
 897
 898         driver_list = g_slist_insert_sorted(driver_list, driver,
 899                                                         compare_priority);
 900
 901         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 902                                                 probe_driver, driver);
 903
 904         return 0;
 905 }
 906
 907 /**
 908  * connman_device_driver_unregister:
 909  * @driver: device driver definition
 910  *
 911  * Remove a previously registered device driver
 912  */
 913 void connman_device_driver_unregister(struct connman_device_driver *driver)
 914 {
 915         DBG("driver %p name %s", driver, driver->name);
 916
 917         driver_list = g_slist_remove(driver_list, driver);
 918
 919         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 920                                                 remove_driver, driver);
 921 }
 922
 923 static void unregister_network(gpointer data)
 924 {
 925         struct connman_network *network = data;
 926
 927         DBG("network %p", network);
 928
 929         connman_element_unregister((struct connman_element *) network);
 930
 931         connman_network_unref(network);
 932 }
 933
 934 static void device_destruct(struct connman_element *element)
 935 {
 936         struct connman_device *device = element->device;
 937
 938         DBG("element %p name %s", element, element->name);
 939
 940         g_free(device->ident);
 941         g_free(device->node);
 942         g_free(device->name);
 943         g_free(device->address);
 944         g_free(device->interface);
 945
 946         g_free(device->last_network);
 947
 948         g_hash_table_destroy(device->networks);
 949         device->networks = NULL;
 950 }
 951
 952 /**
 953  * connman_device_create:
 954  * @node: device node name (for example an address)
 955  * @type: device type
 956  *
 957  * Allocate a new device of given #type and assign the #node name to it.
 958  *
 959  * Returns: a newly-allocated #connman_device structure
 960  */
 961 struct connman_device *connman_device_create(const char *node,
 962                                                 enum connman_device_type type)
 963 {
 964         struct connman_device *device;
 965         const char *str;
 966
 967         DBG("node %s type %d", node, type);
 968
 969         device = g_try_new0(struct connman_device, 1);
 970         if (device == NULL)
 971                 return NULL;
 972
 973         DBG("device %p", device);
 974
 975         __connman_element_initialize(&device->element);
 976
 977         device->element.name = g_strdup(node);
 978         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 979
 980         device->element.device = device;
 981         device->element.destruct = device_destruct;
 982
 983         str = type2string(type);
 984         if (str != NULL)
 985                 connman_element_set_string(&device->element,
 986                                         CONNMAN_PROPERTY_ID_TYPE, str);
 987
 988         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 989
 990         device->type      = type;
 991         device->name      = g_strdup(type2description(device->type));
 992         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 993         device->policy    = CONNMAN_DEVICE_POLICY_AUTO;
 994         device->secondary = FALSE;
 995
 996         switch (type) {
 997         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 998         case CONNMAN_DEVICE_TYPE_VENDOR:
 999                 device->priority = 0;
1000                 device->scan_interval = 0;
1001                 break;
1002         case CONNMAN_DEVICE_TYPE_ETHERNET:
1003         case CONNMAN_DEVICE_TYPE_WIFI:
1004                 device->priority = 100;
1005                 device->scan_interval = 300;
1006                 break;
1007         case CONNMAN_DEVICE_TYPE_WIMAX:
1008                 device->priority = 20;
1009                 device->scan_interval = 0;
1010                 break;
1011         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1012                 device->priority = 50;
1013                 device->scan_interval = 0;
1014                 break;
1015         case CONNMAN_DEVICE_TYPE_GPS:
1016                 device->priority = 0;
1017                 device->scan_interval = 0;
1018                 break;
1019         case CONNMAN_DEVICE_TYPE_HSO:
1020         case CONNMAN_DEVICE_TYPE_NOZOMI:
1021         case CONNMAN_DEVICE_TYPE_HUAWEI:
1022         case CONNMAN_DEVICE_TYPE_NOVATEL:
1023                 device->priority = 60;
1024                 device->scan_interval = 0;
1025                 break;
1026         }
1027
1028         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1029                                                 g_free, unregister_network);
1030
1031         return device;
1032 }
1033
1034 /**
1035  * connman_device_ref:
1036  * @device: device structure
1037  *
1038  * Increase reference counter of device
1039  */
1040 struct connman_device *connman_device_ref(struct connman_device *device)
1041 {
1042         if (connman_element_ref(&device->element) == NULL)
1043                 return NULL;
1044
1045         return device;
1046 }
1047
1048 /**
1049  * connman_device_unref:
1050  * @device: device structure
1051  *
1052  * Decrease reference counter of device
1053  */
1054 void connman_device_unref(struct connman_device *device)
1055 {
1056         connman_element_unref(&device->element);
1057 }
1058
1059 const char *__connman_device_get_type(struct connman_device *device)
1060 {
1061         return type2string(device->type);
1062 }
1063
1064 /**
1065  * connman_device_get_type:
1066  * @device: device structure
1067  *
1068  * Get type of device
1069  */
1070 enum connman_device_type connman_device_get_type(struct connman_device *device)
1071 {
1072         return device->type;
1073 }
1074
1075 /**
1076  * connman_device_get_name:
1077  * @device: device structure
1078  *
1079  * Get unique name of device
1080  */
1081 const char *connman_device_get_name(struct connman_device *device)
1082 {
1083         return device->element.name;
1084 }
1085
1086 /**
1087  * connman_device_get_path:
1088  * @device: device structure
1089  *
1090  * Get path name of device
1091  */
1092 const char *connman_device_get_path(struct connman_device *device)
1093 {
1094         return device->element.path;
1095 }
1096
1097 /**
1098  * connman_device_set_index:
1099  * @device: device structure
1100  * @index: index number
1101  *
1102  * Set index number of device
1103  */
1104 void connman_device_set_index(struct connman_device *device, int index)
1105 {
1106         device->element.index = index;
1107 }
1108
1109 /**
1110  * connman_device_get_index:
1111  * @device: device structure
1112  *
1113  * Get index number of device
1114  */
1115 int connman_device_get_index(struct connman_device *device)
1116 {
1117         return device->element.index;
1118 }
1119
1120 /**
1121  * connman_device_set_interface:
1122  * @device: device structure
1123  * @interface: interface name
1124  *
1125  * Set interface name of device
1126  */
1127 void connman_device_set_interface(struct connman_device *device,
1128                                                         const char *interface)
1129 {
1130         g_free(device->element.devname);
1131         device->element.devname = g_strdup(interface);
1132
1133         g_free(device->interface);
1134         device->interface = g_strdup(interface);
1135
1136         if (device->name == NULL) {
1137                 const char *str = type2description(device->type);
1138                 if (str != NULL && device->interface != NULL)
1139                         device->name = g_strdup_printf("%s (%s)", str,
1140                                                         device->interface);
1141         }
1142 }
1143
1144 /**
1145  * connman_device_get_interface:
1146  * @device: device structure
1147  *
1148  * Get interface name of device
1149  */
1150 const char *connman_device_get_interface(struct connman_device *device)
1151 {
1152         return device->interface;
1153 }
1154
1155 /**
1156  * connman_device_set_ident:
1157  * @device: device structure
1158  * @ident: unique identifier
1159  *
1160  * Set unique identifier of device
1161  */
1162 void connman_device_set_ident(struct connman_device *device,
1163                                                         const char *ident)
1164 {
1165         g_free(device->ident);
1166         device->ident = g_strdup(ident);
1167 }
1168
1169 const char *__connman_device_get_ident(struct connman_device *device)
1170 {
1171         return device->ident;
1172 }
1173
1174 /**
1175  * connman_device_set_policy:
1176  * @device: device structure
1177  * @policy: power and connection policy
1178  *
1179  * Change power and connection policy of device
1180  */
1181 void connman_device_set_policy(struct connman_device *device,
1182                                         enum connman_device_policy policy)
1183 {
1184         device->policy = policy;
1185 }
1186
1187 /**
1188  * connman_device_set_mode:
1189  * @device: device structure
1190  * @mode: network mode
1191  *
1192  * Change network mode of device
1193  */
1194 void connman_device_set_mode(struct connman_device *device,
1195                                                 enum connman_device_mode mode)
1196 {
1197         device->mode = mode;
1198 }
1199
1200 /**
1201  * connman_device_get_mode:
1202  * @device: device structure
1203  *
1204  * Get network mode of device
1205  */
1206 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1207 {
1208         return device->mode;
1209 }
1210
1211 /**
1212  * connman_device_set_secondary:
1213  * @device: device structure
1214  * @secondary: secondary value
1215  *
1216  * Change secondary value of device
1217  */
1218 void connman_device_set_secondary(struct connman_device *device,
1219                                                 connman_bool_t secondary)
1220 {
1221         device->secondary = secondary;
1222 }
1223
1224 /**
1225  * connman_device_get_secondary:
1226  * @device: device structure
1227  *
1228  * Get secondary value of device
1229  */
1230 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1231 {
1232         return device->secondary;
1233 }
1234
1235 /**
1236  * connman_device_set_powered:
1237  * @device: device structure
1238  * @powered: powered state
1239  *
1240  * Change power state of device
1241  */
1242 int connman_device_set_powered(struct connman_device *device,
1243                                                 connman_bool_t powered)
1244 {
1245         DBusMessage *signal;
1246         DBusMessageIter entry, value;
1247         const char *key = "Powered";
1248
1249         DBG("driver %p powered %d", device, powered);
1250
1251         if (device->powered == powered)
1252                 return -EALREADY;
1253
1254         device->powered = powered;
1255
1256         if (device->registered == FALSE)
1257                 return 0;
1258
1259         signal = dbus_message_new_signal(device->element.path,
1260                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1261         if (signal == NULL)
1262                 return 0;
1263
1264         dbus_message_iter_init_append(signal, &entry);
1265
1266         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1267
1268         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1269                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1270         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1271         dbus_message_iter_close_container(&entry, &value);
1272
1273         g_dbus_send_message(connection, signal);
1274
1275         if (powered == FALSE)
1276                 return 0;
1277
1278         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1279                 return 0;
1280
1281         if (device->scan_timeout > 0) {
1282                 g_source_remove(device->scan_timeout);
1283                 device->scan_timeout = 0;
1284         }
1285
1286         if (device->scan_interval > 0) {
1287                 guint interval = device->scan_interval;
1288                 device->scan_timeout = g_timeout_add_seconds(interval,
1289                                         device_scan_trigger, device);
1290         }
1291
1292         if (device->driver->scan)
1293                 device->driver->scan(device);
1294
1295         return 0;
1296 }
1297
1298 /**
1299  * connman_device_set_carrier:
1300  * @device: device structure
1301  * @carrier: carrier state
1302  *
1303  * Change carrier state of device (only for device without scanning)
1304  */
1305 int connman_device_set_carrier(struct connman_device *device,
1306                                                 connman_bool_t carrier)
1307 {
1308         DBG("driver %p carrier %d", device, carrier);
1309
1310         switch (device->mode) {
1311         case CONNMAN_DEVICE_MODE_UNKNOWN:
1312         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1313         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1314                 return -EINVAL;
1315         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1316                 break;
1317         }
1318
1319         if (device->carrier == carrier)
1320                 return -EALREADY;
1321
1322         device->carrier = carrier;
1323
1324         return set_carrier(device, device->carrier);
1325 }
1326
1327 int __connman_device_connect(struct connman_device *device)
1328 {
1329         DBG("device %p", device);
1330
1331         if (device->disconnected == FALSE)
1332                 return -EINVAL;
1333
1334         return 0;
1335 }
1336
1337 int __connman_device_disconnect(struct connman_device *device)
1338 {
1339         GHashTableIter iter;
1340         gpointer key, value;
1341
1342         DBG("device %p", device);
1343
1344         connman_device_set_disconnected(device, TRUE);
1345
1346         g_hash_table_iter_init(&iter, device->networks);
1347
1348         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1349                 struct connman_network *network = value;
1350
1351                 if (connman_network_get_connected(network) == TRUE)
1352                         __connman_network_disconnect(network);
1353         }
1354
1355         return 0;
1356 }
1357
1358 static void connect_known_network(struct connman_device *device)
1359 {
1360         struct connman_network *network = NULL;
1361         GHashTableIter iter;
1362         gpointer key, value;
1363         unsigned int count = 0;
1364
1365         DBG("device %p", device);
1366
1367         g_hash_table_iter_init(&iter, device->networks);
1368
1369         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1370                 connman_uint8_t old_priority, new_priority;
1371                 connman_uint8_t old_strength, new_strength;
1372                 const char *name;
1373
1374                 count++;
1375
1376                 if (connman_network_get_available(value) == FALSE)
1377                         continue;
1378
1379                 name = connman_network_get_string(value,
1380                                                 CONNMAN_PROPERTY_ID_NAME);
1381                 if (name != NULL && device->last_network != NULL) {
1382                         if (g_str_equal(name, device->last_network) == TRUE) {
1383                                 network = value;
1384                                 break;
1385                         }
1386                 }
1387
1388                 if (connman_network_get_remember(value) == FALSE)
1389                         continue;
1390
1391                 if (network == NULL) {
1392                         network = value;
1393                         continue;
1394                 }
1395
1396                 old_priority = connman_network_get_uint8(network,
1397                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1398                 new_priority = connman_network_get_uint8(value,
1399                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1400
1401                 if (new_priority != old_priority) {
1402                         if (new_priority > old_priority)
1403                                 network = value;
1404                         continue;
1405                 }
1406
1407                 old_strength = connman_network_get_uint8(network,
1408                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1409                 new_strength = connman_network_get_uint8(value,
1410                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1411
1412                 if (new_strength > old_strength)
1413                         network = value;
1414         }
1415
1416         if (network != NULL) {
1417                 int err;
1418
1419                 err = connman_network_connect(network);
1420                 if (err == 0 || err == -EINPROGRESS)
1421                         return;
1422         }
1423
1424         if (count > 0)
1425                 return;
1426
1427         if (device->driver && device->driver->scan)
1428                 device->driver->scan(device);
1429 }
1430
1431 static void mark_network_unavailable(gpointer key, gpointer value,
1432                                                         gpointer user_data)
1433 {
1434         struct connman_network *network = value;
1435
1436         if (connman_network_get_connected(network) == TRUE)
1437                 return;
1438
1439         connman_network_set_available(network, FALSE);
1440 }
1441
1442 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1443                                                         gpointer user_data)
1444 {
1445         struct connman_network *network = value;
1446
1447         if (connman_network_get_connected(network) == TRUE)
1448                 return FALSE;
1449
1450         if (connman_network_get_remember(network) == TRUE)
1451                 return FALSE;
1452
1453         if (connman_network_get_available(network) == TRUE)
1454                 return FALSE;
1455
1456         return TRUE;
1457 }
1458
1459 /**
1460  * connman_device_set_scanning:
1461  * @device: device structure
1462  * @scanning: scanning state
1463  *
1464  * Change scanning state of device
1465  */
1466 int connman_device_set_scanning(struct connman_device *device,
1467                                                 connman_bool_t scanning)
1468 {
1469         DBusMessage *signal;
1470         DBusMessageIter entry, value;
1471         const char *key = "Scanning";
1472
1473         DBG("driver %p scanning %d", device, scanning);
1474
1475         if (!device->driver || !device->driver->scan)
1476                 return -EINVAL;
1477
1478         if (device->scanning == scanning)
1479                 return -EALREADY;
1480
1481         device->scanning = scanning;
1482
1483         signal = dbus_message_new_signal(device->element.path,
1484                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1485         if (signal == NULL)
1486                 return 0;
1487
1488         dbus_message_iter_init_append(signal, &entry);
1489
1490         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1491
1492         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1493                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1494         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1495         dbus_message_iter_close_container(&entry, &value);
1496
1497         g_dbus_send_message(connection, signal);
1498
1499         if (scanning == TRUE) {
1500                 if (device->scan_timeout > 0) {
1501                         g_source_remove(device->scan_timeout);
1502                         device->scan_timeout = 0;
1503                 }
1504
1505                 if (device->scan_interval > 0) {
1506                         guint interval = device->scan_interval;
1507                         device->scan_timeout = g_timeout_add_seconds(interval,
1508                                                 device_scan_trigger, device);
1509                 }
1510
1511                 g_hash_table_foreach(device->networks,
1512                                         mark_network_unavailable, NULL);
1513                 return 0;
1514         }
1515
1516         g_hash_table_foreach_remove(device->networks,
1517                                         remove_unavailable_network, NULL);
1518
1519         if (device->connections > 0)
1520                 return 0;
1521
1522         if (device->disconnected == TRUE)
1523                 return 0;
1524
1525         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1526                 return 0;
1527
1528         connect_known_network(device);
1529
1530         return 0;
1531 }
1532
1533 /**
1534  * connman_device_set_disconnected:
1535  * @device: device structure
1536  * @disconnected: disconnected state
1537  *
1538  * Change disconnected state of device (only for device with networks)
1539  */
1540 int connman_device_set_disconnected(struct connman_device *device,
1541                                                 connman_bool_t disconnected)
1542 {
1543         DBG("driver %p disconnected %d", device, disconnected);
1544
1545         switch (device->mode) {
1546         case CONNMAN_DEVICE_MODE_UNKNOWN:
1547         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1548                 return -EINVAL;
1549         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1550         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1551                 break;
1552         }
1553
1554         if (device->disconnected == disconnected)
1555                 return -EALREADY;
1556
1557         device->disconnected = disconnected;
1558
1559         return 0;
1560 }
1561
1562 /**
1563  * connman_device_set_string:
1564  * @device: device structure
1565  * @key: unique identifier
1566  * @value: string value
1567  *
1568  * Set string value for specific key
1569  */
1570 int connman_device_set_string(struct connman_device *device,
1571                                         const char *key, const char *value)
1572 {
1573         DBG("device %p key %s value %s", device, key, value);
1574
1575         if (g_str_equal(key, "Address") == TRUE) {
1576                 g_free(device->address);
1577                 device->address = g_strdup(value);
1578         } else if (g_str_equal(key, "Name") == TRUE) {
1579                 g_free(device->name);
1580                 device->name = g_strdup(value);
1581         } else if (g_str_equal(key, "Node") == TRUE) {
1582                 g_free(device->node);
1583                 device->node = g_strdup(value);
1584         }
1585
1586         return connman_element_set_string(&device->element, key, value);
1587 }
1588
1589 /**
1590  * connman_device_get_string:
1591  * @device: device structure
1592  * @key: unique identifier
1593  *
1594  * Get string value for specific key
1595  */
1596 const char *connman_device_get_string(struct connman_device *device,
1597                                                         const char *key)
1598 {
1599         DBG("device %p key %s", device, key);
1600
1601         if (g_str_equal(key, "Address") == TRUE)
1602                 return device->address;
1603         else if (g_str_equal(key, "Name") == TRUE)
1604                 return device->name;
1605         else if (g_str_equal(key, "Node") == TRUE)
1606                 return device->node;
1607
1608         return connman_element_get_string(&device->element, key);
1609 }
1610
1611 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1612 {
1613         struct connman_device *device = element->device;
1614         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1615         connman_bool_t powered;
1616
1617         DBG("element %p name %s", element, element->name);
1618
1619         if (device == NULL)
1620                 return;
1621
1622         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1623
1624         if (device->powered == powered)
1625                 return;
1626
1627         set_powered(device, powered);
1628 }
1629
1630 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1631 {
1632         DBG("offlinmode %d", offlinemode);
1633
1634         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1635                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1636
1637         __connman_notifier_offline_mode(offlinemode);
1638
1639         return 0;
1640 }
1641
1642 void __connman_device_increase_connections(struct connman_device *device)
1643 {
1644         device->connections++;
1645 }
1646
1647 void __connman_device_decrease_connections(struct connman_device *device)
1648 {
1649         device->connections--;
1650 }
1651
1652 /**
1653  * connman_device_add_network:
1654  * @device: device structure
1655  * @network: network structure
1656  *
1657  * Add new network to the device
1658  */
1659 int connman_device_add_network(struct connman_device *device,
1660                                         struct connman_network *network)
1661 {
1662         const char *identifier = connman_network_get_identifier(network);
1663         int err;
1664
1665         DBG("device %p network %p", device, network);
1666
1667         switch (device->mode) {
1668         case CONNMAN_DEVICE_MODE_UNKNOWN:
1669         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1670                 return -EINVAL;
1671         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1672         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1673                 break;
1674         }
1675
1676         __connman_network_set_device(network, device);
1677
1678         __connman_storage_load_network(network);
1679
1680         err = connman_element_register((struct connman_element *) network,
1681                                                         &device->element);
1682         if (err < 0) {
1683                 __connman_network_set_device(network, NULL);
1684                 return err;
1685         }
1686
1687         g_hash_table_insert(device->networks, g_strdup(identifier),
1688                                                                 network);
1689
1690         return 0;
1691 }
1692
1693 /**
1694  * connman_device_get_network:
1695  * @device: device structure
1696  * @identifier: network identifier
1697  *
1698  * Get network for given identifier
1699  */
1700 struct connman_network *connman_device_get_network(struct connman_device *device,
1701                                                         const char *identifier)
1702 {
1703         DBG("device %p identifier %s", device, identifier);
1704
1705         return g_hash_table_lookup(device->networks, identifier);
1706 }
1707
1708 /**
1709  * connman_device_remove_network:
1710  * @device: device structure
1711  * @identifier: network identifier
1712  *
1713  * Remove network for given identifier
1714  */
1715 int connman_device_remove_network(struct connman_device *device,
1716                                                         const char *identifier)
1717 {
1718         DBG("device %p identifier %s", device, identifier);
1719
1720         g_hash_table_remove(device->networks, identifier);
1721
1722         return 0;
1723 }
1724
1725 void __connman_device_set_network(struct connman_device *device,
1726                                         struct connman_network *network)
1727 {
1728         const char *name;
1729
1730         if (network != NULL) {
1731                 name = connman_network_get_string(network,
1732                                                 CONNMAN_PROPERTY_ID_NAME);
1733                 device->last_network = g_strdup(name);
1734         }
1735
1736         device->network = network;
1737 }
1738
1739 /**
1740  * connman_device_register:
1741  * @device: device structure
1742  *
1743  * Register device with the system
1744  */
1745 int connman_device_register(struct connman_device *device)
1746 {
1747         __connman_storage_load_device(device);
1748
1749         switch (device->mode) {
1750         case CONNMAN_DEVICE_MODE_UNKNOWN:
1751         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1752                 break;
1753         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1754         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1755                 __connman_storage_init_network(device);
1756                 break;
1757         }
1758
1759         return connman_element_register(&device->element, NULL);
1760 }
1761
1762 /**
1763  * connman_device_unregister:
1764  * @device: device structure
1765  *
1766  * Unregister device with the system
1767  */
1768 void connman_device_unregister(struct connman_device *device)
1769 {
1770         __connman_storage_save_device(device);
1771
1772         connman_element_unregister(&device->element);
1773 }
1774
1775 /**
1776  * connman_device_get_data:
1777  * @device: device structure
1778  *
1779  * Get private device data pointer
1780  */
1781 void *connman_device_get_data(struct connman_device *device)
1782 {
1783         return device->driver_data;
1784 }
1785
1786 /**
1787  * connman_device_set_data:
1788  * @device: device structure
1789  * @data: data pointer
1790  *
1791  * Set private device data pointer
1792  */
1793 void connman_device_set_data(struct connman_device *device, void *data)
1794 {
1795         device->driver_data = data;
1796 }
1797
1798 static gboolean match_driver(struct connman_device *device,
1799                                         struct connman_device_driver *driver)
1800 {
1801         if (device->type == driver->type ||
1802                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1803                 return TRUE;
1804
1805         return FALSE;
1806 }
1807
1808 static int device_probe(struct connman_element *element)
1809 {
1810         struct connman_device *device = element->device;
1811         GSList *list;
1812
1813         DBG("element %p name %s", element, element->name);
1814
1815         if (device == NULL)
1816                 return -ENODEV;
1817
1818         if (device->driver != NULL)
1819                 return -EALREADY;
1820
1821         for (list = driver_list; list; list = list->next) {
1822                 struct connman_device_driver *driver = list->data;
1823
1824                 if (match_driver(device, driver) == FALSE)
1825                         continue;
1826
1827                 DBG("driver %p name %s", driver, driver->name);
1828
1829                 if (driver->probe(device) == 0) {
1830                         device->driver = driver;
1831                         break;
1832                 }
1833         }
1834
1835         if (device->driver == NULL)
1836                 return -ENODEV;
1837
1838         return setup_device(device);
1839 }
1840
1841 static void device_remove(struct connman_element *element)
1842 {
1843         struct connman_device *device = element->device;
1844
1845         DBG("element %p name %s", element, element->name);
1846
1847         if (device == NULL)
1848                 return;
1849
1850         if (device->driver == NULL)
1851                 return;
1852
1853         remove_device(device);
1854 }
1855
1856 static struct connman_driver device_driver = {
1857         .name           = "device",
1858         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1859         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1860         .probe          = device_probe,
1861         .remove         = device_remove,
1862 };
1863
1864 static int device_load(struct connman_device *device)
1865 {
1866         GKeyFile *keyfile;
1867         gchar *pathname, *data = NULL;
1868         gsize length;
1869         char *str;
1870         int val;
1871
1872         DBG("device %p", device);
1873
1874         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1875                                                         device->element.name);
1876         if (pathname == NULL)
1877                 return -ENOMEM;
1878
1879         keyfile = g_key_file_new();
1880
1881         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1882                 g_free(pathname);
1883                 return -ENOENT;
1884         }
1885
1886         g_free(pathname);
1887
1888         if (g_key_file_load_from_data(keyfile, data, length,
1889                                                         0, NULL) == FALSE) {
1890                 g_free(data);
1891                 return -EILSEQ;
1892         }
1893
1894         g_free(data);
1895
1896         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1897         if (str != NULL) {
1898                 device->policy = string2policy(str);
1899                 g_free(str);
1900         }
1901
1902         val = g_key_file_get_integer(keyfile, "Configuration",
1903                                                         "Priority", NULL);
1904         if (val > 0)
1905                 device->priority = val;
1906
1907         switch (device->mode) {
1908         case CONNMAN_DEVICE_MODE_UNKNOWN:
1909         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1910                 break;
1911         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1912         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1913                 val = g_key_file_get_integer(keyfile, "Configuration",
1914                                                         "ScanInterval", NULL);
1915                 if (val > 0)
1916                         device->scan_interval = val;
1917                 break;
1918         }
1919
1920 #if 0
1921         str = g_key_file_get_string(keyfile, "Configuration",
1922                                                         "LastNetwork", NULL);
1923         if (str != NULL)
1924                 device->last_network = str;
1925 #endif
1926
1927         g_key_file_free(keyfile);
1928
1929         return 0;
1930 }
1931
1932 static int device_save(struct connman_device *device)
1933 {
1934         GKeyFile *keyfile;
1935         gchar *pathname, *data = NULL;
1936         gsize length;
1937         const char *str;
1938
1939         DBG("device %p", device);
1940
1941         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1942                                                         device->element.name);
1943         if (pathname == NULL)
1944                 return -ENOMEM;
1945
1946         keyfile = g_key_file_new();
1947
1948         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1949                 goto update;
1950
1951         if (length > 0) {
1952                 if (g_key_file_load_from_data(keyfile, data, length,
1953                                                         0, NULL) == FALSE)
1954                         goto done;
1955         }
1956
1957         g_free(data);
1958
1959 update:
1960         str = policy2string(device->policy);
1961         if (str != NULL)
1962                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1963
1964         if (device->priority > 0)
1965                 g_key_file_set_integer(keyfile, "Configuration",
1966                                                 "Priority", device->priority);
1967
1968         switch (device->mode) {
1969         case CONNMAN_DEVICE_MODE_UNKNOWN:
1970         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1971                 break;
1972         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1973         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1974                 if (device->scan_interval > 0)
1975                         g_key_file_set_integer(keyfile, "Configuration",
1976                                         "ScanInterval", device->scan_interval);
1977                 break;
1978         }
1979
1980         if (device->last_network != NULL)
1981                 g_key_file_set_string(keyfile, "Configuration",
1982                                         "LastNetwork", device->last_network);
1983
1984         data = g_key_file_to_data(keyfile, &length, NULL);
1985
1986         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1987                 connman_error("Failed to store device information");
1988
1989 done:
1990         g_free(data);
1991
1992         g_key_file_free(keyfile);
1993
1994         g_free(pathname);
1995
1996         if (device->network != NULL)
1997                 __connman_storage_save_network(device->network);
1998
1999         return 0;
2000 }
2001
2002 static struct connman_storage device_storage = {
2003         .name           = "device",
2004         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2005         .device_load    = device_load,
2006         .device_save    = device_save,
2007 };
2008
2009 int __connman_device_init(void)
2010 {
2011         DBG("");
2012
2013         connection = connman_dbus_get_connection();
2014
2015         if (connman_storage_register(&device_storage) < 0)
2016                 connman_error("Failed to register device storage");
2017
2018         return connman_driver_register(&device_driver);
2019 }
2020
2021 void __connman_device_cleanup(void)
2022 {
2023         DBG("");
2024
2025         connman_driver_unregister(&device_driver);
2026
2027         connman_storage_unregister(&device_storage);
2028
2029         dbus_connection_unref(connection);
2030 }