src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 struct connman_device {
  34         struct connman_element element;
  35         enum connman_device_type type;
  36         enum connman_device_mode mode;
  37         enum connman_device_policy policy;
  38         connman_bool_t powered;
  39         connman_bool_t carrier;
  40         connman_bool_t scanning;
  41         connman_bool_t disconnected;
  42         connman_uint8_t priority;
  43         connman_uint16_t scan_interval;
  44         char *name;
  45         char *node;
  46         char *address;
  47         char *interface;
  48         unsigned int connections;
  49         guint scan_timeout;
  50
  51         struct connman_device_driver *driver;
  52         void *driver_data;
  53
  54         connman_bool_t registered;
  55
  56         char *last_network;
  57         struct connman_network *network;
  58         GHashTable *networks;
  59 };
  60
  61 static gboolean device_scan_trigger(gpointer user_data)
  62 {
  63         struct connman_device *device = user_data;
  64
  65         DBG("device %p", device);
  66
  67         if (device->driver == NULL) {
  68                 device->scan_timeout = 0;
  69                 return FALSE;
  70         }
  71
  72         if (device->driver->scan)
  73                 device->driver->scan(device);
  74
  75         return TRUE;
  76 }
  77
  78 static const char *type2description(enum connman_device_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  82         case CONNMAN_DEVICE_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_DEVICE_TYPE_ETHERNET:
  85                 return "Ethernet";
  86         case CONNMAN_DEVICE_TYPE_WIFI:
  87                 return "Wireless";
  88         case CONNMAN_DEVICE_TYPE_WIMAX:
  89                 return "WiMAX";
  90         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  91                 return "Bluetooth";
  92         case CONNMAN_DEVICE_TYPE_GPS:
  93                 return "GPS";
  94         case CONNMAN_DEVICE_TYPE_HSO:
  95         case CONNMAN_DEVICE_TYPE_NOZOMI:
  96         case CONNMAN_DEVICE_TYPE_HUAWEI:
  97         case CONNMAN_DEVICE_TYPE_NOVATEL:
  98                 return "Cellular";
  99         }
 100
 101         return NULL;
 102 }
 103
 104 static const char *type2string(enum connman_device_type type)
 105 {
 106         switch (type) {
 107         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 108         case CONNMAN_DEVICE_TYPE_VENDOR:
 109                 break;
 110         case CONNMAN_DEVICE_TYPE_ETHERNET:
 111                 return "ethernet";
 112         case CONNMAN_DEVICE_TYPE_WIFI:
 113                 return "wifi";
 114         case CONNMAN_DEVICE_TYPE_WIMAX:
 115                 return "wimax";
 116         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 117                 return "bluetooth";
 118         case CONNMAN_DEVICE_TYPE_GPS:
 119                 return "gps";
 120         case CONNMAN_DEVICE_TYPE_HSO:
 121         case CONNMAN_DEVICE_TYPE_HUAWEI:
 122         case CONNMAN_DEVICE_TYPE_NOZOMI:
 123         case CONNMAN_DEVICE_TYPE_NOVATEL:
 124                 return "cellular";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static const char *policy2string(enum connman_device_policy policy)
 131 {
 132         switch (policy) {
 133         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 134                 break;
 135         case CONNMAN_DEVICE_POLICY_IGNORE:
 136                 return "ignore";
 137         case CONNMAN_DEVICE_POLICY_OFF:
 138                 return "off";
 139         case CONNMAN_DEVICE_POLICY_AUTO:
 140                 return "auto";
 141         case CONNMAN_DEVICE_POLICY_MANUAL:
 142                 return "manual";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static enum connman_device_policy string2policy(const char *policy)
 149 {
 150         if (g_str_equal(policy, "ignore") == TRUE)
 151                 return CONNMAN_DEVICE_POLICY_IGNORE;
 152         else if (g_str_equal(policy, "off") == TRUE)
 153                 return CONNMAN_DEVICE_POLICY_OFF;
 154         else if (g_str_equal(policy, "auto") == TRUE)
 155                 return CONNMAN_DEVICE_POLICY_AUTO;
 156         else if (g_str_equal(policy, "manual") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_MANUAL;
 158         else
 159                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 160 }
 161
 162 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 163 {
 164         if (carrier == TRUE) {
 165                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 166                 struct connman_element *element;
 167
 168                 switch (device->element.ipv4.method) {
 169                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 170                 case CONNMAN_IPV4_METHOD_OFF:
 171                         return 0;
 172                 case CONNMAN_IPV4_METHOD_STATIC:
 173                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 174                         break;
 175                 case CONNMAN_IPV4_METHOD_DHCP:
 176                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 177                         break;
 178                 }
 179
 180                 element = connman_element_create(NULL);
 181                 if (element != NULL) {
 182                         element->type  = type;
 183                         element->index = device->element.index;
 184
 185                         if (connman_element_register(element,
 186                                                         &device->element) < 0)
 187                                 connman_element_unref(element);
 188                 }
 189         } else
 190                 connman_element_unregister_children(&device->element);
 191
 192         return 0;
 193 }
 194
 195 static int set_powered(struct connman_device *device, connman_bool_t powered)
 196 {
 197         struct connman_device_driver *driver = device->driver;
 198         int err;
 199
 200         DBG("device %p powered %d", device, powered);
 201
 202         if (!driver)
 203                 return -EINVAL;
 204
 205         if (powered == TRUE) {
 206                 if (driver->enable) {
 207                         err = driver->enable(device);
 208                         __connman_notifier_device_type_increase(device->type);
 209                 } else
 210                         err = -EINVAL;
 211         } else {
 212                 g_hash_table_remove_all(device->networks);
 213
 214                 set_carrier(device, FALSE);
 215
 216                 if (driver->disable) {
 217                         err = driver->disable(device);
 218                         __connman_notifier_device_type_decrease(device->type);
 219                 } else
 220                         err = -EINVAL;
 221         }
 222
 223         return err;
 224 }
 225
 226 static int set_policy(DBusConnection *connection,
 227                                 struct connman_device *device,
 228                                         enum connman_device_policy policy)
 229 {
 230         DBusMessage *signal;
 231         DBusMessageIter entry, value;
 232         const char *str, *key = "Policy";
 233         int err = 0;
 234
 235         DBG("device %p policy %d", device, policy);
 236
 237         if (device->policy == policy)
 238                 return 0;
 239
 240         switch (policy) {
 241         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 242                 return -EINVAL;
 243         case CONNMAN_DEVICE_POLICY_IGNORE:
 244                 break;
 245         case CONNMAN_DEVICE_POLICY_OFF:
 246                 if (device->powered == TRUE)
 247                         err = set_powered(device, FALSE);
 248                 break;
 249         case CONNMAN_DEVICE_POLICY_AUTO:
 250         case CONNMAN_DEVICE_POLICY_MANUAL:
 251                 if (device->powered == FALSE)
 252                         err = set_powered(device, TRUE);
 253                 else
 254                         err = set_carrier(device, device->carrier);
 255                 break;
 256         }
 257
 258         if (err < 0)
 259                 return err;
 260
 261         device->policy = policy;
 262
 263         signal = dbus_message_new_signal(device->element.path,
 264                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 265         if (signal == NULL)
 266                 return 0;
 267
 268         dbus_message_iter_init_append(signal, &entry);
 269
 270         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 271
 272         str = policy2string(policy);
 273
 274         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 275                                         DBUS_TYPE_STRING_AS_STRING, &value);
 276         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 277         dbus_message_iter_close_container(&entry, &value);
 278
 279         g_dbus_send_message(connection, signal);
 280
 281         return 0;
 282 }
 283
 284 static void append_path(gpointer key, gpointer value, gpointer user_data)
 285 {
 286         struct connman_element *element = value;
 287         DBusMessageIter *iter = user_data;
 288
 289         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 290                                                         &element->path);
 291 }
 292
 293 static void append_networks(struct connman_device *device,
 294                                                 DBusMessageIter *entry)
 295 {
 296         DBusMessageIter value, iter;
 297         const char *key = "Networks";
 298
 299         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 300
 301         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 302                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 303                                                                 &value);
 304
 305         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 306                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 307         g_hash_table_foreach(device->networks, append_path, &iter);
 308         dbus_message_iter_close_container(&value, &iter);
 309
 310         dbus_message_iter_close_container(entry, &value);
 311 }
 312
 313 static DBusMessage *get_properties(DBusConnection *conn,
 314                                         DBusMessage *msg, void *data)
 315 {
 316         struct connman_device *device = data;
 317         DBusMessage *reply;
 318         DBusMessageIter array, dict, entry;
 319         const char *str;
 320
 321         DBG("conn %p", conn);
 322
 323         if (__connman_security_check_privilege(msg,
 324                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 325                 return __connman_error_permission_denied(msg);
 326
 327         reply = dbus_message_new_method_return(msg);
 328         if (reply == NULL)
 329                 return NULL;
 330
 331         dbus_message_iter_init_append(reply, &array);
 332
 333         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 334                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 335                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 336                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 337
 338         if (device->name != NULL)
 339                 connman_dbus_dict_append_variant(&dict, "Name",
 340                                         DBUS_TYPE_STRING, &device->name);
 341
 342         str = type2string(device->type);
 343         if (str != NULL)
 344                 connman_dbus_dict_append_variant(&dict, "Type",
 345                                                 DBUS_TYPE_STRING, &str);
 346
 347         if (device->address != NULL)
 348                 connman_dbus_dict_append_variant(&dict, "Address",
 349                                         DBUS_TYPE_STRING, &device->address);
 350
 351         if (device->interface != NULL)
 352                 connman_dbus_dict_append_variant(&dict, "Interface",
 353                                         DBUS_TYPE_STRING, &device->interface);
 354
 355         str = policy2string(device->policy);
 356         if (str != NULL)
 357                 connman_dbus_dict_append_variant(&dict, "Policy",
 358                                                 DBUS_TYPE_STRING, &str);
 359
 360         if (device->priority > 0)
 361                 connman_dbus_dict_append_variant(&dict, "Priority",
 362                                         DBUS_TYPE_BYTE, &device->priority);
 363
 364         connman_dbus_dict_append_variant(&dict, "Powered",
 365                                         DBUS_TYPE_BOOLEAN, &device->powered);
 366
 367         if (device->driver && device->driver->scan)
 368                 connman_dbus_dict_append_variant(&dict, "Scanning",
 369                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 370
 371         switch (device->mode) {
 372         case CONNMAN_DEVICE_MODE_UNKNOWN:
 373                 break;
 374         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 375                 __connman_element_append_ipv4(&device->element, &dict);
 376                 break;
 377         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 378         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 379                 if (device->scan_interval > 0)
 380                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 381                                 DBUS_TYPE_UINT16, &device->scan_interval);
 382
 383                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 384                                                                 NULL, &entry);
 385                 append_networks(device, &entry);
 386                 dbus_message_iter_close_container(&dict, &entry);
 387                 break;
 388         }
 389
 390         dbus_message_iter_close_container(&array, &dict);
 391
 392         return reply;
 393 }
 394
 395 static DBusMessage *set_property(DBusConnection *conn,
 396                                         DBusMessage *msg, void *data)
 397 {
 398         struct connman_device *device = data;
 399         DBusMessageIter iter, value;
 400         const char *name;
 401         int type;
 402
 403         DBG("conn %p", conn);
 404
 405         if (dbus_message_iter_init(msg, &iter) == FALSE)
 406                 return __connman_error_invalid_arguments(msg);
 407
 408         dbus_message_iter_get_basic(&iter, &name);
 409         dbus_message_iter_next(&iter);
 410         dbus_message_iter_recurse(&iter, &value);
 411
 412         if (__connman_security_check_privilege(msg,
 413                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 414                 return __connman_error_permission_denied(msg);
 415
 416         type = dbus_message_iter_get_arg_type(&value);
 417
 418         if (g_str_equal(name, "Powered") == TRUE) {
 419                 connman_bool_t powered;
 420                 int err;
 421
 422                 if (type != DBUS_TYPE_BOOLEAN)
 423                         return __connman_error_invalid_arguments(msg);
 424
 425                 dbus_message_iter_get_basic(&value, &powered);
 426
 427                 if (device->powered == powered)
 428                         return __connman_error_invalid_arguments(msg);
 429
 430                 err = set_powered(device, powered);
 431                 if (err < 0 && err != -EINPROGRESS)
 432                         return __connman_error_failed(msg);
 433         } else if (g_str_equal(name, "Policy") == TRUE) {
 434                 enum connman_device_policy policy;
 435                 const char *str;
 436                 int err;
 437
 438                 if (type != DBUS_TYPE_STRING)
 439                         return __connman_error_invalid_arguments(msg);
 440
 441                 dbus_message_iter_get_basic(&value, &str);
 442                 policy = string2policy(str);
 443                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 444                         return __connman_error_invalid_arguments(msg);
 445
 446                 err = set_policy(conn, device, policy);
 447                 if (err < 0)
 448                         return __connman_error_failed(msg);
 449         } else if (g_str_equal(name, "Priority") == TRUE) {
 450                 connman_uint8_t priority;
 451
 452                 if (type != DBUS_TYPE_BYTE)
 453                         return __connman_error_invalid_arguments(msg);
 454
 455                 dbus_message_iter_get_basic(&value, &priority);
 456
 457                 device->priority = priority;
 458         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 459                 connman_uint16_t interval;
 460
 461                 switch (device->mode) {
 462                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 463                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 464                         return __connman_error_invalid_arguments(msg);
 465                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 466                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 467                         break;
 468                 }
 469
 470                 if (type != DBUS_TYPE_UINT16)
 471                         return __connman_error_invalid_arguments(msg);
 472
 473                 dbus_message_iter_get_basic(&value, &interval);
 474
 475                 device->scan_interval = interval;
 476
 477                 if (device->scan_timeout > 0) {
 478                         g_source_remove(device->scan_timeout);
 479                         device->scan_timeout = 0;
 480                 }
 481
 482                 if (device->scan_interval > 0) {
 483                         guint interval = device->scan_interval;
 484                         device->scan_timeout = g_timeout_add_seconds(interval,
 485                                                 device_scan_trigger, device);
 486                 }
 487         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 488                 switch (device->mode) {
 489                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 490                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 491                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 492                         return __connman_error_invalid_arguments(msg);
 493                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 494                         __connman_element_set_ipv4(&device->element,
 495                                                                 name, &value);
 496                         break;
 497                 }
 498         }
 499
 500         __connman_storage_save_device(device);
 501
 502         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 503 }
 504
 505 static DBusMessage *join_network(DBusConnection *conn,
 506                                         DBusMessage *msg, void *data)
 507 {
 508         struct connman_device *device = data;
 509         struct connman_network *network;
 510         enum connman_network_type type;
 511         DBusMessageIter iter, array;
 512         int err, index;
 513
 514         DBG("conn %p", conn);
 515
 516         if (__connman_security_check_privilege(msg,
 517                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 518                 return __connman_error_permission_denied(msg);
 519
 520         if (!device->driver || !device->driver->join)
 521                 return __connman_error_not_supported(msg);
 522
 523         dbus_message_iter_init(msg, &iter);
 524         dbus_message_iter_recurse(&iter, &array);
 525
 526         switch (device->type) {
 527         case CONNMAN_DEVICE_TYPE_WIFI:
 528                 type = CONNMAN_NETWORK_TYPE_WIFI;
 529                 break;
 530         default:
 531                 return __connman_error_not_supported(msg);
 532         }
 533
 534         network = connman_network_create("00_00_00_00_00_00", type);
 535         if (network == NULL)
 536                 return __connman_error_failed(msg);
 537
 538         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 539                 DBusMessageIter entry, value;
 540                 const char *key, *str;
 541
 542                 dbus_message_iter_recurse(&array, &entry);
 543                 dbus_message_iter_get_basic(&entry, &key);
 544
 545                 dbus_message_iter_next(&entry);
 546                 dbus_message_iter_recurse(&entry, &value);
 547
 548                 switch (dbus_message_iter_get_arg_type(&value)) {
 549                 case DBUS_TYPE_STRING:
 550                         dbus_message_iter_get_basic(&value, &str);
 551                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 552                                 connman_network_set_blob(network, key,
 553                                                         str, strlen(str));
 554                         else
 555                                 connman_network_set_string(network, key, str);
 556                         break;
 557                 }
 558
 559                 dbus_message_iter_next(&array);
 560         }
 561
 562         index = connman_device_get_index(device);
 563         connman_network_set_index(network, index);
 564
 565         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 566
 567         err = device->driver->join(device, network);
 568
 569         connman_network_unref(network);
 570
 571         if (err < 0)
 572                 return __connman_error_failed(msg);
 573
 574         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 575 }
 576
 577 static DBusMessage *create_network(DBusConnection *conn,
 578                                         DBusMessage *msg, void *data)
 579 {
 580         DBG("conn %p", conn);
 581
 582         if (__connman_security_check_privilege(msg,
 583                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 584                 return __connman_error_permission_denied(msg);
 585
 586         return __connman_error_invalid_arguments(msg);
 587 }
 588
 589 static DBusMessage *remove_network(DBusConnection *conn,
 590                                         DBusMessage *msg, void *data)
 591 {
 592         DBG("conn %p", conn);
 593
 594         if (__connman_security_check_privilege(msg,
 595                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 596                 return __connman_error_permission_denied(msg);
 597
 598         return __connman_error_invalid_arguments(msg);
 599 }
 600
 601 static DBusMessage *propose_scan(DBusConnection *conn,
 602                                         DBusMessage *msg, void *data)
 603 {
 604         struct connman_device *device = data;
 605         int err;
 606
 607         DBG("conn %p", conn);
 608
 609         switch (device->mode) {
 610         case CONNMAN_DEVICE_MODE_UNKNOWN:
 611         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 612                 return __connman_error_not_supported(msg);
 613         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 614         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 615                 break;
 616         }
 617
 618         if (!device->driver || !device->driver->scan)
 619                 return __connman_error_not_supported(msg);
 620
 621         if (device->powered == FALSE)
 622                 return __connman_error_failed(msg);
 623
 624         err = device->driver->scan(device);
 625         if (err < 0)
 626                 return __connman_error_failed(msg);
 627
 628         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 629 }
 630
 631 static GDBusMethodTable device_methods[] = {
 632         { "GetProperties", "",      "a{sv}", get_properties },
 633         { "SetProperty",   "sv",    "",      set_property   },
 634         { "JoinNetwork",   "a{sv}", "",      join_network   },
 635         { "CreateNetwork", "a{sv}", "o",     create_network },
 636         { "RemoveNetwork", "o",     "",      remove_network },
 637         { "ProposeScan",   "",      "",      propose_scan   },
 638         { },
 639 };
 640
 641 static GDBusSignalTable device_signals[] = {
 642         { "PropertyChanged", "sv" },
 643         { },
 644 };
 645
 646 static DBusConnection *connection;
 647
 648 static void append_devices(DBusMessageIter *entry)
 649 {
 650         DBusMessageIter value, iter;
 651         const char *key = "Devices";
 652
 653         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 654
 655         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 656                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 657                                                                 &value);
 658
 659         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 660                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 661         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 662         dbus_message_iter_close_container(&value, &iter);
 663
 664         dbus_message_iter_close_container(entry, &value);
 665 }
 666
 667 static void emit_devices_signal(void)
 668 {
 669         DBusMessage *signal;
 670         DBusMessageIter entry;
 671
 672         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 673                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 674         if (signal == NULL)
 675                 return;
 676
 677         dbus_message_iter_init_append(signal, &entry);
 678
 679         append_devices(&entry);
 680
 681         g_dbus_send_message(connection, signal);
 682 }
 683
 684 static int register_interface(struct connman_element *element)
 685 {
 686         struct connman_device *device = element->device;
 687
 688         DBG("element %p name %s", element, element->name);
 689
 690         if (g_dbus_register_interface(connection, element->path,
 691                                         CONNMAN_DEVICE_INTERFACE,
 692                                         device_methods, device_signals,
 693                                         NULL, device, NULL) == FALSE) {
 694                 connman_error("Failed to register %s device", element->path);
 695                 return -EIO;
 696         }
 697
 698         device->registered = TRUE;
 699
 700         emit_devices_signal();
 701
 702         return 0;
 703 }
 704
 705 static void unregister_interface(struct connman_element *element)
 706 {
 707         struct connman_device *device = element->device;
 708
 709         DBG("element %p name %s", element, element->name);
 710
 711         device->registered = FALSE;
 712
 713         emit_devices_signal();
 714
 715         g_dbus_unregister_interface(connection, element->path,
 716                                                 CONNMAN_DEVICE_INTERFACE);
 717 }
 718
 719 static void device_enable(struct connman_device *device)
 720 {
 721         DBG("device %p", device);
 722
 723         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 724                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 725                 return;
 726
 727         if (device->powered == TRUE)
 728                 return;
 729
 730         if (device->driver->enable) {
 731                 device->driver->enable(device);
 732                 __connman_notifier_device_type_increase(device->type);
 733         }
 734 }
 735
 736 static void device_disable(struct connman_device *device)
 737 {
 738         DBG("device %p", device);
 739
 740         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 741                 return;
 742
 743         if (device->powered == FALSE)
 744                 return;
 745
 746         g_hash_table_remove_all(device->networks);
 747
 748         if (device->driver->disable) {
 749                 device->driver->disable(device);
 750                 __connman_notifier_device_type_decrease(device->type);
 751         }
 752 }
 753
 754 static int setup_device(struct connman_device *device)
 755 {
 756         int err;
 757
 758         DBG("device %p", device);
 759
 760         err = register_interface(&device->element);
 761         if (err < 0) {
 762                 if (device->driver->remove)
 763                         device->driver->remove(device);
 764                 device->driver = NULL;
 765                 return err;
 766         }
 767
 768         switch (device->mode) {
 769         case CONNMAN_DEVICE_MODE_UNKNOWN:
 770         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 771         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 772                 break;
 773         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 774                 __connman_profile_add_device(device);
 775                 break;
 776         }
 777
 778         device_enable(device);
 779
 780         return 0;
 781 }
 782
 783 static void probe_driver(struct connman_element *element, gpointer user_data)
 784 {
 785         struct connman_device_driver *driver = user_data;
 786
 787         DBG("element %p name %s", element, element->name);
 788
 789         if (element->device == NULL)
 790                 return;
 791
 792         if (element->device->driver != NULL)
 793                 return;
 794
 795         if (driver->type != element->device->type)
 796                 return;
 797
 798         if (driver->probe(element->device) < 0)
 799                 return;
 800
 801         element->device->driver = driver;
 802
 803         setup_device(element->device);
 804 }
 805
 806 static void remove_device(struct connman_device *device)
 807 {
 808         DBG("device %p", device);
 809
 810         device_disable(device);
 811
 812         switch (device->mode) {
 813         case CONNMAN_DEVICE_MODE_UNKNOWN:
 814         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 815         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 816                 break;
 817         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 818                 __connman_profile_remove_device(device);
 819                 break;
 820         }
 821
 822         unregister_interface(&device->element);
 823
 824         if (device->driver->remove)
 825                 device->driver->remove(device);
 826
 827         device->driver = NULL;
 828 }
 829
 830 static void remove_driver(struct connman_element *element, gpointer user_data)
 831 {
 832         struct connman_device_driver *driver = user_data;
 833
 834         DBG("element %p name %s", element, element->name);
 835
 836         if (element->device == NULL)
 837                 return;
 838
 839         if (element->device->driver == driver)
 840                 remove_device(element->device);
 841 }
 842
 843 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 844 {
 845         if (device == NULL || device->driver == NULL)
 846                 return FALSE;
 847
 848         return device->registered;
 849 }
 850
 851 static GSList *driver_list = NULL;
 852
 853 static gint compare_priority(gconstpointer a, gconstpointer b)
 854 {
 855         const struct connman_device_driver *driver1 = a;
 856         const struct connman_device_driver *driver2 = b;
 857
 858         return driver2->priority - driver1->priority;
 859 }
 860
 861 /**
 862  * connman_device_driver_register:
 863  * @driver: device driver definition
 864  *
 865  * Register a new device driver
 866  *
 867  * Returns: %0 on success
 868  */
 869 int connman_device_driver_register(struct connman_device_driver *driver)
 870 {
 871         DBG("driver %p name %s", driver, driver->name);
 872
 873         driver_list = g_slist_insert_sorted(driver_list, driver,
 874                                                         compare_priority);
 875
 876         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 877                                                 probe_driver, driver);
 878
 879         return 0;
 880 }
 881
 882 /**
 883  * connman_device_driver_unregister:
 884  * @driver: device driver definition
 885  *
 886  * Remove a previously registered device driver
 887  */
 888 void connman_device_driver_unregister(struct connman_device_driver *driver)
 889 {
 890         DBG("driver %p name %s", driver, driver->name);
 891
 892         driver_list = g_slist_remove(driver_list, driver);
 893
 894         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 895                                                 remove_driver, driver);
 896 }
 897
 898 static void unregister_network(gpointer data)
 899 {
 900         struct connman_network *network = data;
 901
 902         DBG("network %p", network);
 903
 904         connman_element_unregister((struct connman_element *) network);
 905
 906         connman_network_unref(network);
 907 }
 908
 909 static void device_destruct(struct connman_element *element)
 910 {
 911         struct connman_device *device = element->device;
 912
 913         DBG("element %p name %s", element, element->name);
 914
 915         g_free(device->node);
 916         g_free(device->name);
 917         g_free(device->address);
 918         g_free(device->interface);
 919
 920         g_free(device->last_network);
 921
 922         g_hash_table_destroy(device->networks);
 923         device->networks = NULL;
 924 }
 925
 926 /**
 927  * connman_device_create:
 928  * @node: device node name (for example an address)
 929  * @type: device type
 930  *
 931  * Allocate a new device of given #type and assign the #node name to it.
 932  *
 933  * Returns: a newly-allocated #connman_device structure
 934  */
 935 struct connman_device *connman_device_create(const char *node,
 936                                                 enum connman_device_type type)
 937 {
 938         struct connman_device *device;
 939         const char *str;
 940
 941         DBG("node %s type %d", node, type);
 942
 943         device = g_try_new0(struct connman_device, 1);
 944         if (device == NULL)
 945                 return NULL;
 946
 947         DBG("device %p", device);
 948
 949         __connman_element_initialize(&device->element);
 950
 951         device->element.name = g_strdup(node);
 952         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 953
 954         device->element.device = device;
 955         device->element.destruct = device_destruct;
 956
 957         str = type2string(type);
 958         if (str != NULL)
 959                 connman_element_set_string(&device->element,
 960                                         CONNMAN_PROPERTY_ID_TYPE, str);
 961
 962         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 963
 964         device->type   = type;
 965         device->name   = g_strdup(type2description(device->type));
 966         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 967         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 968
 969         switch (type) {
 970         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 971         case CONNMAN_DEVICE_TYPE_VENDOR:
 972                 device->priority = 0;
 973                 device->scan_interval = 0;
 974                 break;
 975         case CONNMAN_DEVICE_TYPE_ETHERNET:
 976         case CONNMAN_DEVICE_TYPE_WIFI:
 977                 device->priority = 100;
 978                 device->scan_interval = 300;
 979                 break;
 980         case CONNMAN_DEVICE_TYPE_WIMAX:
 981                 device->priority = 20;
 982                 device->scan_interval = 0;
 983                 break;
 984         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 985                 device->priority = 50;
 986                 device->scan_interval = 0;
 987                 break;
 988         case CONNMAN_DEVICE_TYPE_GPS:
 989                 device->priority = 0;
 990                 device->scan_interval = 0;
 991                 break;
 992         case CONNMAN_DEVICE_TYPE_HSO:
 993         case CONNMAN_DEVICE_TYPE_NOZOMI:
 994         case CONNMAN_DEVICE_TYPE_HUAWEI:
 995         case CONNMAN_DEVICE_TYPE_NOVATEL:
 996                 device->priority = 60;
 997                 device->scan_interval = 0;
 998                 break;
 999         }
1000
1001         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1002                                                 g_free, unregister_network);
1003
1004         return device;
1005 }
1006
1007 /**
1008  * connman_device_ref:
1009  * @device: device structure
1010  *
1011  * Increase reference counter of device
1012  */
1013 struct connman_device *connman_device_ref(struct connman_device *device)
1014 {
1015         if (connman_element_ref(&device->element) == NULL)
1016                 return NULL;
1017
1018         return device;
1019 }
1020
1021 /**
1022  * connman_device_unref:
1023  * @device: device structure
1024  *
1025  * Decrease reference counter of device
1026  */
1027 void connman_device_unref(struct connman_device *device)
1028 {
1029         connman_element_unref(&device->element);
1030 }
1031
1032 const char *__connman_device_get_type(struct connman_device *device)
1033 {
1034         return type2string(device->type);
1035 }
1036
1037 /**
1038  * connman_device_get_type:
1039  * @device: device structure
1040  *
1041  * Get type of device
1042  */
1043 enum connman_device_type connman_device_get_type(struct connman_device *device)
1044 {
1045         return device->type;
1046 }
1047
1048 /**
1049  * connman_device_get_name:
1050  * @device: device structure
1051  *
1052  * Get unique name of device
1053  */
1054 const char *connman_device_get_name(struct connman_device *device)
1055 {
1056         return device->element.name;
1057 }
1058
1059 /**
1060  * connman_device_get_path:
1061  * @device: device structure
1062  *
1063  * Get path name of device
1064  */
1065 const char *connman_device_get_path(struct connman_device *device)
1066 {
1067         return device->element.path;
1068 }
1069
1070 /**
1071  * connman_device_set_index:
1072  * @device: device structure
1073  * @index: index number
1074  *
1075  * Set index number of device
1076  */
1077 void connman_device_set_index(struct connman_device *device, int index)
1078 {
1079         device->element.index = index;
1080 }
1081
1082 /**
1083  * connman_device_get_index:
1084  * @device: device structure
1085  *
1086  * Get index number of device
1087  */
1088 int connman_device_get_index(struct connman_device *device)
1089 {
1090         return device->element.index;
1091 }
1092
1093 /**
1094  * connman_device_set_interface:
1095  * @device: device structure
1096  * @interface: interface name
1097  *
1098  * Set interface name of device
1099  */
1100 void connman_device_set_interface(struct connman_device *device,
1101                                                         const char *interface)
1102 {
1103         g_free(device->element.devname);
1104         device->element.devname = g_strdup(interface);
1105
1106         g_free(device->interface);
1107         device->interface = g_strdup(interface);
1108
1109         if (device->name == NULL) {
1110                 const char *str = type2description(device->type);
1111                 if (str != NULL && device->interface != NULL)
1112                         device->name = g_strdup_printf("%s (%s)", str,
1113                                                         device->interface);
1114         }
1115 }
1116
1117 /**
1118  * connman_device_get_interface:
1119  * @device: device structure
1120  *
1121  * Get interface name of device
1122  */
1123 const char *connman_device_get_interface(struct connman_device *device)
1124 {
1125         return device->interface;
1126 }
1127
1128 /**
1129  * connman_device_set_policy:
1130  * @device: device structure
1131  * @policy: power and connection policy
1132  *
1133  * Change power and connection policy of device
1134  */
1135 void connman_device_set_policy(struct connman_device *device,
1136                                         enum connman_device_policy policy)
1137 {
1138         device->policy = policy;
1139 }
1140
1141 /**
1142  * connman_device_set_mode:
1143  * @device: device structure
1144  * @mode: network mode
1145  *
1146  * Change network mode of device
1147  */
1148 void connman_device_set_mode(struct connman_device *device,
1149                                                 enum connman_device_mode mode)
1150 {
1151         device->mode = mode;
1152 }
1153
1154 /**
1155  * connman_device_get_mode:
1156  * @device: device structure
1157  *
1158  * Get network mode of device
1159  */
1160 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1161 {
1162         return device->mode;
1163 }
1164
1165 /**
1166  * connman_device_set_powered:
1167  * @device: device structure
1168  * @powered: powered state
1169  *
1170  * Change power state of device
1171  */
1172 int connman_device_set_powered(struct connman_device *device,
1173                                                 connman_bool_t powered)
1174 {
1175         DBusMessage *signal;
1176         DBusMessageIter entry, value;
1177         const char *key = "Powered";
1178
1179         DBG("driver %p powered %d", device, powered);
1180
1181         if (device->powered == powered)
1182                 return -EALREADY;
1183
1184         device->powered = powered;
1185
1186         if (device->registered == FALSE)
1187                 return 0;
1188
1189         signal = dbus_message_new_signal(device->element.path,
1190                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1191         if (signal == NULL)
1192                 return 0;
1193
1194         dbus_message_iter_init_append(signal, &entry);
1195
1196         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1197
1198         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1199                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1200         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1201         dbus_message_iter_close_container(&entry, &value);
1202
1203         g_dbus_send_message(connection, signal);
1204
1205         if (powered == FALSE)
1206                 return 0;
1207
1208         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1209                 return 0;
1210
1211         if (device->scan_timeout > 0) {
1212                 g_source_remove(device->scan_timeout);
1213                 device->scan_timeout = 0;
1214         }
1215
1216         if (device->scan_interval > 0) {
1217                 guint interval = device->scan_interval;
1218                 device->scan_timeout = g_timeout_add_seconds(interval,
1219                                         device_scan_trigger, device);
1220         }
1221
1222         if (device->driver->scan)
1223                 device->driver->scan(device);
1224
1225         return 0;
1226 }
1227
1228 /**
1229  * connman_device_set_carrier:
1230  * @device: device structure
1231  * @carrier: carrier state
1232  *
1233  * Change carrier state of device (only for device without scanning)
1234  */
1235 int connman_device_set_carrier(struct connman_device *device,
1236                                                 connman_bool_t carrier)
1237 {
1238         DBG("driver %p carrier %d", device, carrier);
1239
1240         switch (device->mode) {
1241         case CONNMAN_DEVICE_MODE_UNKNOWN:
1242         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1243         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1244                 return -EINVAL;
1245         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1246                 break;
1247         }
1248
1249         if (device->carrier == carrier)
1250                 return -EALREADY;
1251
1252         device->carrier = carrier;
1253
1254         switch (device->policy) {
1255         case CONNMAN_DEVICE_POLICY_UNKNOWN:
1256         case CONNMAN_DEVICE_POLICY_IGNORE:
1257         case CONNMAN_DEVICE_POLICY_OFF:
1258                 return 0;
1259         case CONNMAN_DEVICE_POLICY_AUTO:
1260         case CONNMAN_DEVICE_POLICY_MANUAL:
1261                 break;
1262         }
1263
1264         return set_carrier(device, device->carrier);
1265 }
1266
1267 void __connman_device_disconnect(struct connman_device *device)
1268 {
1269         GHashTableIter iter;
1270         gpointer key, value;
1271
1272         DBG("device %p", device);
1273
1274         connman_device_set_disconnected(device, TRUE);
1275
1276         g_hash_table_iter_init(&iter, device->networks);
1277
1278         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1279                 struct connman_network *network = value;
1280
1281                 if (connman_network_get_connected(network) == TRUE)
1282                         __connman_network_disconnect(network);
1283         }
1284 }
1285
1286 static void connect_known_network(struct connman_device *device)
1287 {
1288         struct connman_network *network = NULL;
1289         GHashTableIter iter;
1290         gpointer key, value;
1291         unsigned int count = 0;
1292
1293         DBG("device %p", device);
1294
1295         g_hash_table_iter_init(&iter, device->networks);
1296
1297         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1298                 connman_uint8_t old_priority, new_priority;
1299                 connman_uint8_t old_strength, new_strength;
1300                 const char *name;
1301
1302                 count++;
1303
1304                 if (connman_network_get_available(value) == FALSE)
1305                         continue;
1306
1307                 name = connman_network_get_string(value,
1308                                                 CONNMAN_PROPERTY_ID_NAME);
1309                 if (name != NULL && device->last_network != NULL) {
1310                         if (g_str_equal(name, device->last_network) == TRUE) {
1311                                 network = value;
1312                                 break;
1313                         }
1314                 }
1315
1316                 if (connman_network_get_remember(value) == FALSE)
1317                         continue;
1318
1319                 if (network == NULL) {
1320                         network = value;
1321                         continue;
1322                 }
1323
1324                 old_priority = connman_network_get_uint8(network,
1325                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1326                 new_priority = connman_network_get_uint8(value,
1327                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1328
1329                 if (new_priority != old_priority) {
1330                         if (new_priority > old_priority)
1331                                 network = value;
1332                         continue;
1333                 }
1334
1335                 old_strength = connman_network_get_uint8(network,
1336                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1337                 new_strength = connman_network_get_uint8(value,
1338                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1339
1340                 if (new_strength > old_strength)
1341                         network = value;
1342         }
1343
1344         if (network != NULL) {
1345                 int err;
1346
1347                 err = connman_network_connect(network);
1348                 if (err == 0 || err == -EINPROGRESS)
1349                         return;
1350         }
1351
1352         if (count > 0)
1353                 return;
1354
1355         if (device->driver && device->driver->scan)
1356                 device->driver->scan(device);
1357 }
1358
1359 static void mark_network_unavailable(gpointer key, gpointer value,
1360                                                         gpointer user_data)
1361 {
1362         struct connman_network *network = value;
1363
1364         if (connman_network_get_connected(network) == TRUE)
1365                 return;
1366
1367         connman_network_set_available(network, FALSE);
1368 }
1369
1370 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1371                                                         gpointer user_data)
1372 {
1373         struct connman_network *network = value;
1374
1375         if (connman_network_get_connected(network) == TRUE)
1376                 return FALSE;
1377
1378         if (connman_network_get_remember(network) == TRUE)
1379                 return FALSE;
1380
1381         if (connman_network_get_available(network) == TRUE)
1382                 return FALSE;
1383
1384         return TRUE;
1385 }
1386
1387 /**
1388  * connman_device_set_scanning:
1389  * @device: device structure
1390  * @scanning: scanning state
1391  *
1392  * Change scanning state of device
1393  */
1394 int connman_device_set_scanning(struct connman_device *device,
1395                                                 connman_bool_t scanning)
1396 {
1397         DBusMessage *signal;
1398         DBusMessageIter entry, value;
1399         const char *key = "Scanning";
1400
1401         DBG("driver %p scanning %d", device, scanning);
1402
1403         if (!device->driver || !device->driver->scan)
1404                 return -EINVAL;
1405
1406         if (device->scanning == scanning)
1407                 return -EALREADY;
1408
1409         device->scanning = scanning;
1410
1411         signal = dbus_message_new_signal(device->element.path,
1412                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1413         if (signal == NULL)
1414                 return 0;
1415
1416         dbus_message_iter_init_append(signal, &entry);
1417
1418         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1419
1420         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1421                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1422         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1423         dbus_message_iter_close_container(&entry, &value);
1424
1425         g_dbus_send_message(connection, signal);
1426
1427         if (scanning == TRUE) {
1428                 if (device->scan_timeout > 0) {
1429                         g_source_remove(device->scan_timeout);
1430                         device->scan_timeout = 0;
1431                 }
1432
1433                 if (device->scan_interval > 0) {
1434                         guint interval = device->scan_interval;
1435                         device->scan_timeout = g_timeout_add_seconds(interval,
1436                                                 device_scan_trigger, device);
1437                 }
1438
1439                 g_hash_table_foreach(device->networks,
1440                                         mark_network_unavailable, NULL);
1441                 return 0;
1442         }
1443
1444         g_hash_table_foreach_remove(device->networks,
1445                                         remove_unavailable_network, NULL);
1446
1447         if (device->connections > 0)
1448                 return 0;
1449
1450         if (device->disconnected == TRUE)
1451                 return 0;
1452
1453         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1454                 return 0;
1455
1456         connect_known_network(device);
1457
1458         return 0;
1459 }
1460
1461 /**
1462  * connman_device_set_disconnected:
1463  * @device: device structure
1464  * @disconnected: disconnected state
1465  *
1466  * Change disconnected state of device (only for device with networks)
1467  */
1468 int connman_device_set_disconnected(struct connman_device *device,
1469                                                 connman_bool_t disconnected)
1470 {
1471         DBG("driver %p disconnected %d", device, disconnected);
1472
1473         switch (device->mode) {
1474         case CONNMAN_DEVICE_MODE_UNKNOWN:
1475         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1476                 return -EINVAL;
1477         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1478         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1479                 break;
1480         }
1481
1482         if (device->disconnected == disconnected)
1483                 return -EALREADY;
1484
1485         device->disconnected = disconnected;
1486
1487         return 0;
1488 }
1489
1490 /**
1491  * connman_device_set_string:
1492  * @device: device structure
1493  * @key: unique identifier
1494  * @value: string value
1495  *
1496  * Set string value for specific key
1497  */
1498 int connman_device_set_string(struct connman_device *device,
1499                                         const char *key, const char *value)
1500 {
1501         DBG("device %p key %s value %s", device, key, value);
1502
1503         if (g_str_equal(key, "Address") == TRUE) {
1504                 g_free(device->address);
1505                 device->address = g_strdup(value);
1506         } else if (g_str_equal(key, "Name") == TRUE) {
1507                 g_free(device->name);
1508                 device->name = g_strdup(value);
1509         } else if (g_str_equal(key, "Node") == TRUE) {
1510                 g_free(device->node);
1511                 device->node = g_strdup(value);
1512         }
1513
1514         return connman_element_set_string(&device->element, key, value);
1515 }
1516
1517 /**
1518  * connman_device_get_string:
1519  * @device: device structure
1520  * @key: unique identifier
1521  *
1522  * Get string value for specific key
1523  */
1524 const char *connman_device_get_string(struct connman_device *device,
1525                                                         const char *key)
1526 {
1527         DBG("device %p key %s", device, key);
1528
1529         if (g_str_equal(key, "Address") == TRUE)
1530                 return device->address;
1531         else if (g_str_equal(key, "Name") == TRUE)
1532                 return device->name;
1533         else if (g_str_equal(key, "Node") == TRUE)
1534                 return device->node;
1535
1536         return connman_element_get_string(&device->element, key);
1537 }
1538
1539 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1540 {
1541         struct connman_device *device = element->device;
1542         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1543         connman_bool_t powered;
1544
1545         DBG("element %p name %s", element, element->name);
1546
1547         if (device == NULL)
1548                 return;
1549
1550         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1551
1552         if (device->powered == powered)
1553                 return;
1554
1555         set_powered(device, powered);
1556 }
1557
1558 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1559 {
1560         DBG("offlinmode %d", offlinemode);
1561
1562         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1563                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1564
1565         __connman_notifier_offline_mode(offlinemode);
1566
1567         return 0;
1568 }
1569
1570 void __connman_device_increase_connections(struct connman_device *device)
1571 {
1572         device->connections++;
1573 }
1574
1575 void __connman_device_decrease_connections(struct connman_device *device)
1576 {
1577         device->connections--;
1578 }
1579
1580 /**
1581  * connman_device_add_network:
1582  * @device: device structure
1583  * @network: network structure
1584  *
1585  * Add new network to the device
1586  */
1587 int connman_device_add_network(struct connman_device *device,
1588                                         struct connman_network *network)
1589 {
1590         const char *identifier = connman_network_get_identifier(network);
1591         int err;
1592
1593         DBG("device %p network %p", device, network);
1594
1595         switch (device->mode) {
1596         case CONNMAN_DEVICE_MODE_UNKNOWN:
1597         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1598                 return -EINVAL;
1599         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1600         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1601                 break;
1602         }
1603
1604         __connman_network_set_device(network, device);
1605
1606         __connman_storage_load_network(network);
1607
1608         err = connman_element_register((struct connman_element *) network,
1609                                                         &device->element);
1610         if (err < 0) {
1611                 __connman_network_set_device(network, NULL);
1612                 return err;
1613         }
1614
1615         g_hash_table_insert(device->networks, g_strdup(identifier),
1616                                                                 network);
1617
1618         return 0;
1619 }
1620
1621 /**
1622  * connman_device_get_network:
1623  * @device: device structure
1624  * @identifier: network identifier
1625  *
1626  * Get network for given identifier
1627  */
1628 struct connman_network *connman_device_get_network(struct connman_device *device,
1629                                                         const char *identifier)
1630 {
1631         DBG("device %p identifier %s", device, identifier);
1632
1633         return g_hash_table_lookup(device->networks, identifier);
1634 }
1635
1636 /**
1637  * connman_device_remove_network:
1638  * @device: device structure
1639  * @identifier: network identifier
1640  *
1641  * Remove network for given identifier
1642  */
1643 int connman_device_remove_network(struct connman_device *device,
1644                                                         const char *identifier)
1645 {
1646         DBG("device %p identifier %s", device, identifier);
1647
1648         g_hash_table_remove(device->networks, identifier);
1649
1650         return 0;
1651 }
1652
1653 void __connman_device_set_network(struct connman_device *device,
1654                                         struct connman_network *network)
1655 {
1656         const char *name;
1657
1658         if (network != NULL) {
1659                 name = connman_network_get_string(network,
1660                                                 CONNMAN_PROPERTY_ID_NAME);
1661                 device->last_network = g_strdup(name);
1662         }
1663
1664         device->network = network;
1665 }
1666
1667 /**
1668  * connman_device_register:
1669  * @device: device structure
1670  *
1671  * Register device with the system
1672  */
1673 int connman_device_register(struct connman_device *device)
1674 {
1675         __connman_storage_load_device(device);
1676
1677         switch (device->mode) {
1678         case CONNMAN_DEVICE_MODE_UNKNOWN:
1679         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1680                 break;
1681         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1682         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1683                 __connman_storage_init_network(device);
1684                 break;
1685         }
1686
1687         return connman_element_register(&device->element, NULL);
1688 }
1689
1690 /**
1691  * connman_device_unregister:
1692  * @device: device structure
1693  *
1694  * Unregister device with the system
1695  */
1696 void connman_device_unregister(struct connman_device *device)
1697 {
1698         __connman_storage_save_device(device);
1699
1700         connman_element_unregister(&device->element);
1701 }
1702
1703 /**
1704  * connman_device_get_data:
1705  * @device: device structure
1706  *
1707  * Get private device data pointer
1708  */
1709 void *connman_device_get_data(struct connman_device *device)
1710 {
1711         return device->driver_data;
1712 }
1713
1714 /**
1715  * connman_device_set_data:
1716  * @device: device structure
1717  * @data: data pointer
1718  *
1719  * Set private device data pointer
1720  */
1721 void connman_device_set_data(struct connman_device *device, void *data)
1722 {
1723         device->driver_data = data;
1724 }
1725
1726 static gboolean match_driver(struct connman_device *device,
1727                                         struct connman_device_driver *driver)
1728 {
1729         if (device->type == driver->type ||
1730                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1731                 return TRUE;
1732
1733         return FALSE;
1734 }
1735
1736 static int device_probe(struct connman_element *element)
1737 {
1738         struct connman_device *device = element->device;
1739         GSList *list;
1740
1741         DBG("element %p name %s", element, element->name);
1742
1743         if (device == NULL)
1744                 return -ENODEV;
1745
1746         if (device->driver != NULL)
1747                 return -EALREADY;
1748
1749         for (list = driver_list; list; list = list->next) {
1750                 struct connman_device_driver *driver = list->data;
1751
1752                 if (match_driver(device, driver) == FALSE)
1753                         continue;
1754
1755                 DBG("driver %p name %s", driver, driver->name);
1756
1757                 if (driver->probe(device) == 0) {
1758                         device->driver = driver;
1759                         break;
1760                 }
1761         }
1762
1763         if (device->driver == NULL)
1764                 return -ENODEV;
1765
1766         return setup_device(device);
1767 }
1768
1769 static void device_remove(struct connman_element *element)
1770 {
1771         struct connman_device *device = element->device;
1772
1773         DBG("element %p name %s", element, element->name);
1774
1775         if (device == NULL)
1776                 return;
1777
1778         if (device->driver == NULL)
1779                 return;
1780
1781         remove_device(device);
1782 }
1783
1784 static struct connman_driver device_driver = {
1785         .name           = "device",
1786         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1787         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1788         .probe          = device_probe,
1789         .remove         = device_remove,
1790 };
1791
1792 static int device_load(struct connman_device *device)
1793 {
1794         GKeyFile *keyfile;
1795         gchar *pathname, *data = NULL;
1796         gsize length;
1797         char *str;
1798         int val;
1799
1800         DBG("device %p", device);
1801
1802         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1803                                                         device->element.name);
1804         if (pathname == NULL)
1805                 return -ENOMEM;
1806
1807         keyfile = g_key_file_new();
1808
1809         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1810                 g_free(pathname);
1811                 return -ENOENT;
1812         }
1813
1814         g_free(pathname);
1815
1816         if (g_key_file_load_from_data(keyfile, data, length,
1817                                                         0, NULL) == FALSE) {
1818                 g_free(data);
1819                 return -EILSEQ;
1820         }
1821
1822         g_free(data);
1823
1824         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1825         if (str != NULL) {
1826                 device->policy = string2policy(str);
1827                 g_free(str);
1828         }
1829
1830         val = g_key_file_get_integer(keyfile, "Configuration",
1831                                                         "Priority", NULL);
1832         if (val > 0)
1833                 device->priority = val;
1834
1835         switch (device->mode) {
1836         case CONNMAN_DEVICE_MODE_UNKNOWN:
1837         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1838                 break;
1839         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1840         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1841                 val = g_key_file_get_integer(keyfile, "Configuration",
1842                                                         "ScanInterval", NULL);
1843                 if (val > 0)
1844                         device->scan_interval = val;
1845                 break;
1846         }
1847
1848 #if 0
1849         str = g_key_file_get_string(keyfile, "Configuration",
1850                                                         "LastNetwork", NULL);
1851         if (str != NULL)
1852                 device->last_network = str;
1853 #endif
1854
1855         g_key_file_free(keyfile);
1856
1857         return 0;
1858 }
1859
1860 static int device_save(struct connman_device *device)
1861 {
1862         GKeyFile *keyfile;
1863         gchar *pathname, *data = NULL;
1864         gsize length;
1865         const char *str;
1866
1867         DBG("device %p", device);
1868
1869         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1870                                                         device->element.name);
1871         if (pathname == NULL)
1872                 return -ENOMEM;
1873
1874         keyfile = g_key_file_new();
1875
1876         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1877                 goto update;
1878
1879         if (length > 0) {
1880                 if (g_key_file_load_from_data(keyfile, data, length,
1881                                                         0, NULL) == FALSE)
1882                         goto done;
1883         }
1884
1885         g_free(data);
1886
1887 update:
1888         str = policy2string(device->policy);
1889         if (str != NULL)
1890                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1891
1892         if (device->priority > 0)
1893                 g_key_file_set_integer(keyfile, "Configuration",
1894                                                 "Priority", device->priority);
1895
1896         switch (device->mode) {
1897         case CONNMAN_DEVICE_MODE_UNKNOWN:
1898         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1899                 break;
1900         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1901         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1902                 if (device->scan_interval > 0)
1903                         g_key_file_set_integer(keyfile, "Configuration",
1904                                         "ScanInterval", device->scan_interval);
1905                 break;
1906         }
1907
1908         if (device->last_network != NULL)
1909                 g_key_file_set_string(keyfile, "Configuration",
1910                                         "LastNetwork", device->last_network);
1911
1912         data = g_key_file_to_data(keyfile, &length, NULL);
1913
1914         g_file_set_contents(pathname, data, length, NULL);
1915
1916 done:
1917         g_free(data);
1918
1919         g_key_file_free(keyfile);
1920
1921         g_free(pathname);
1922
1923         if (device->network != NULL)
1924                 __connman_storage_save_network(device->network);
1925
1926         return 0;
1927 }
1928
1929 static struct connman_storage device_storage = {
1930         .name           = "device",
1931         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1932         .device_load    = device_load,
1933         .device_save    = device_save,
1934 };
1935
1936 int __connman_device_init(void)
1937 {
1938         DBG("");
1939
1940         connection = connman_dbus_get_connection();
1941
1942         if (connman_storage_register(&device_storage) < 0)
1943                 connman_error("Failed to register device storage");
1944
1945         return connman_driver_register(&device_driver);
1946 }
1947
1948 void __connman_device_cleanup(void)
1949 {
1950         DBG("");
1951
1952         connman_driver_unregister(&device_driver);
1953
1954         connman_storage_unregister(&device_storage);
1955
1956         dbus_connection_unref(connection);
1957 }