git.maemo.org Git - connman/blob - src/device.c

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