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