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