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