git.maemo.org Git - connman/blob - src/element.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 <stdarg.h>
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gdbus.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection;
  36
  37 static GNode *element_root = NULL;
  38 static GSList *driver_list = NULL;
  39 static gchar *device_filter = NULL;
  40
  41 static gboolean started = FALSE;
  42
  43 static struct {
  44         enum connman_property_id id;
  45         int type;
  46         const char *name;
  47         const void *value;
  48 } propid_table[] = {
  49         { CONNMAN_PROPERTY_ID_IPV4_METHOD,
  50                 DBUS_TYPE_STRING, "IPv4.Method", "dhcp" },
  51         { CONNMAN_PROPERTY_ID_IPV4_ADDRESS,
  52                 DBUS_TYPE_STRING, "IPv4.Address" },
  53         { CONNMAN_PROPERTY_ID_IPV4_NETMASK,
  54                 DBUS_TYPE_STRING, "IPv4.Netmask" },
  55         { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
  56                 DBUS_TYPE_STRING, "IPv4.Gateway" },
  57         { CONNMAN_PROPERTY_ID_IPV4_BROADCAST,
  58                 DBUS_TYPE_STRING, "IPv4.Broadcast" },
  59         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  60                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  61
  62         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  63                 DBUS_TYPE_STRING, "WiFi.Security" },
  64         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  65                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  66
  67         { }
  68 };
  69
  70 static int propid2type(enum connman_property_id id)
  71 {
  72         int i;
  73
  74         for (i = 0; propid_table[i].name; i++) {
  75                 if (propid_table[i].id == id)
  76                         return propid_table[i].type;
  77         }
  78
  79         return DBUS_TYPE_INVALID;
  80 }
  81
  82 static const char *propid2name(enum connman_property_id id)
  83 {
  84         int i;
  85
  86         for (i = 0; propid_table[i].name; i++) {
  87                 if (propid_table[i].id == id)
  88                         return propid_table[i].name;
  89         }
  90
  91         return NULL;
  92 }
  93
  94 static const char *type2string(enum connman_element_type type)
  95 {
  96         switch (type) {
  97         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  98                 return "unknown";
  99         case CONNMAN_ELEMENT_TYPE_ROOT:
 100                 return "root";
 101         case CONNMAN_ELEMENT_TYPE_PROFILE:
 102                 return "profile";
 103         case CONNMAN_ELEMENT_TYPE_DEVICE:
 104                 return "device";
 105         case CONNMAN_ELEMENT_TYPE_NETWORK:
 106                 return "network";
 107         case CONNMAN_ELEMENT_TYPE_SERVICE:
 108                 return "service";
 109         case CONNMAN_ELEMENT_TYPE_PPP:
 110                 return "ppp";
 111         case CONNMAN_ELEMENT_TYPE_IPV4:
 112                 return "ipv4";
 113         case CONNMAN_ELEMENT_TYPE_IPV6:
 114                 return "ipv6";
 115         case CONNMAN_ELEMENT_TYPE_DHCP:
 116                 return "dhcp";
 117         case CONNMAN_ELEMENT_TYPE_BOOTP:
 118                 return "bootp";
 119         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 120                 return "zeroconf";
 121         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 122                 return "connection";
 123         case CONNMAN_ELEMENT_TYPE_VENDOR:
 124                 return "vendor";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 131 {
 132         switch (method) {
 133         case CONNMAN_IPV4_METHOD_UNKNOWN:
 134                 return "unknown";
 135         case CONNMAN_IPV4_METHOD_OFF:
 136                 return "off";
 137         case CONNMAN_IPV4_METHOD_STATIC:
 138                 return "static";
 139         case CONNMAN_IPV4_METHOD_DHCP:
 140                 return "dhcp";
 141         }
 142
 143         return "unknown";
 144 }
 145
 146 enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
 147 {
 148         if (strcasecmp(method, "off") == 0)
 149                 return CONNMAN_IPV4_METHOD_OFF;
 150         else if (strcasecmp(method, "static") == 0)
 151                 return CONNMAN_IPV4_METHOD_STATIC;
 152         else if (strcasecmp(method, "dhcp") == 0)
 153                 return CONNMAN_IPV4_METHOD_DHCP;
 154         else
 155                 return CONNMAN_IPV4_METHOD_UNKNOWN;
 156 }
 157
 158 #if 0
 159 static void append_property(DBusMessageIter *dict,
 160                                 struct connman_property *property)
 161 {
 162         if (property->value == NULL)
 163                 return;
 164
 165         switch (property->type) {
 166         case DBUS_TYPE_ARRAY:
 167                 connman_dbus_dict_append_array(dict, property->name,
 168                         property->subtype, &property->value, property->size);
 169                 break;
 170         case DBUS_TYPE_STRING:
 171                 connman_dbus_dict_append_variant(dict, property->name,
 172                                         property->type, &property->value);
 173                 break;
 174         default:
 175                 connman_dbus_dict_append_variant(dict, property->name,
 176                                         property->type, property->value);
 177                 break;
 178         }
 179 }
 180
 181 static void add_common_properties(struct connman_element *element,
 182                                                 DBusMessageIter *dict)
 183 {
 184         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 185         GSList *list;
 186
 187         connman_element_get_value(element,
 188                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 189         connman_element_get_value(element,
 190                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 191         connman_element_get_value(element,
 192                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 193
 194         if (element->priority > 0)
 195                 connman_dbus_dict_append_variant(dict, "Priority",
 196                                         DBUS_TYPE_UINT16, &element->priority);
 197
 198         if (address != NULL)
 199                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 200                                                 DBUS_TYPE_STRING, &address);
 201         if (netmask != NULL)
 202                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 203                                                 DBUS_TYPE_STRING, &netmask);
 204         if (gateway != NULL)
 205                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 206                                                 DBUS_TYPE_STRING, &gateway);
 207
 208         if (element->wifi.security != NULL) {
 209                 const char *passphrase = "";
 210
 211                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 212                                 DBUS_TYPE_STRING, &element->wifi.security);
 213
 214                 if (element->wifi.passphrase != NULL)
 215                         passphrase = element->wifi.passphrase;
 216
 217                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 218                                 DBUS_TYPE_STRING, &passphrase);
 219         }
 220
 221         __connman_element_lock(element);
 222
 223         for (list = element->properties; list; list = list->next) {
 224                 struct connman_property *property = list->data;
 225
 226                 append_property(dict, property);
 227         }
 228
 229         __connman_element_unlock(element);
 230 }
 231
 232 static void set_common_property(struct connman_element *element,
 233                                 const char *name, DBusMessageIter *value)
 234 {
 235         GSList *list;
 236
 237         if (g_str_equal(name, "Priority") == TRUE) {
 238                 dbus_message_iter_get_basic(value, &element->priority);
 239                 return;
 240         }
 241
 242         __connman_element_lock(element);
 243
 244         for (list = element->properties; list; list = list->next) {
 245                 struct connman_property *property = list->data;
 246                 const char *str;
 247
 248                 if (g_str_equal(property->name, name) == FALSE)
 249                         continue;
 250
 251                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 252                         continue;
 253
 254                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 255
 256                 if (property->type == DBUS_TYPE_STRING) {
 257                         dbus_message_iter_get_basic(value, &str);
 258                         g_free(property->value);
 259                         property->value = g_strdup(str);
 260                 } else
 261                         property->value = NULL;
 262         }
 263
 264         __connman_element_unlock(element);
 265 }
 266 #endif
 267
 268 static void emit_element_signal(DBusConnection *conn, const char *member,
 269                                         struct connman_element *element)
 270 {
 271         DBusMessage *signal;
 272
 273         if (__connman_debug_enabled() == FALSE)
 274                 return;
 275
 276         DBG("conn %p member %s", conn, member);
 277
 278         if (element == NULL)
 279                 return;
 280
 281         signal = dbus_message_new_signal(element->path,
 282                                         CONNMAN_DEBUG_INTERFACE, member);
 283         if (signal == NULL)
 284                 return;
 285
 286         g_dbus_send_message(conn, signal);
 287 }
 288
 289 struct foreach_data {
 290         enum connman_element_type type;
 291         element_cb_t callback;
 292         gpointer user_data;
 293 };
 294
 295 static gboolean foreach_callback(GNode *node, gpointer user_data)
 296 {
 297         struct connman_element *element = node->data;
 298         struct foreach_data *data = user_data;
 299
 300         DBG("element %p name %s", element, element->name);
 301
 302         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 303                 return FALSE;
 304
 305         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 306                                         data->type != element->type)
 307                 return FALSE;
 308
 309         if (data->callback)
 310                 data->callback(element, data->user_data);
 311
 312         return FALSE;
 313 }
 314
 315 void __connman_element_foreach(struct connman_element *element,
 316                                 enum connman_element_type type,
 317                                 element_cb_t callback, gpointer user_data)
 318 {
 319         struct foreach_data data = { type, callback, user_data };
 320         GNode *node;
 321
 322         DBG("");
 323
 324         if (element != NULL) {
 325                 node = g_node_find(element_root, G_PRE_ORDER,
 326                                                 G_TRAVERSE_ALL, element);
 327                 if (node == NULL)
 328                         return;
 329         } else
 330                 node = element_root;
 331
 332         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 333                                                 foreach_callback, &data);
 334 }
 335
 336 struct append_filter {
 337         enum connman_element_type type;
 338         DBusMessageIter *iter;
 339 };
 340
 341 static gboolean append_path(GNode *node, gpointer user_data)
 342 {
 343         struct connman_element *element = node->data;
 344         struct append_filter *filter = user_data;
 345
 346         DBG("element %p name %s", element, element->name);
 347
 348         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 349                 return FALSE;
 350
 351         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 352                                         filter->type != element->type)
 353                 return FALSE;
 354
 355         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 356                         __connman_device_has_driver(element->device) == FALSE)
 357                 return FALSE;
 358
 359         if (filter->type == CONNMAN_ELEMENT_TYPE_NETWORK &&
 360                         __connman_network_has_driver(element->network) == FALSE)
 361                 return FALSE;
 362
 363         dbus_message_iter_append_basic(filter->iter,
 364                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 365
 366         return FALSE;
 367 }
 368
 369 void __connman_element_list(struct connman_element *element,
 370                                         enum connman_element_type type,
 371                                                         DBusMessageIter *iter)
 372 {
 373         struct append_filter filter = { type, iter };
 374         GNode *node;
 375
 376         DBG("");
 377
 378         if (element != NULL) {
 379                 node = g_node_find(element_root, G_PRE_ORDER,
 380                                                 G_TRAVERSE_ALL, element);
 381                 if (node == NULL)
 382                         return;
 383         } else
 384                 node = element_root;
 385
 386         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 387                                                 append_path, &filter);
 388 }
 389
 390 struct count_data {
 391         enum connman_element_type type;
 392         int count;
 393 };
 394
 395 static gboolean count_element(GNode *node, gpointer user_data)
 396 {
 397         struct connman_element *element = node->data;
 398         struct count_data *data = user_data;
 399
 400         DBG("element %p name %s", element, element->name);
 401
 402         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 403                 return FALSE;
 404
 405         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 406                                         data->type != element->type)
 407                 return FALSE;
 408
 409         data->count++;
 410
 411         return FALSE;
 412 }
 413
 414 int __connman_element_count(struct connman_element *element,
 415                                         enum connman_element_type type)
 416 {
 417         struct count_data data = { type, 0 };
 418         GNode *node;
 419
 420         DBG("");
 421
 422         if (element != NULL) {
 423                 node = g_node_find(element_root, G_PRE_ORDER,
 424                                                 G_TRAVERSE_ALL, element);
 425                 if (node == NULL)
 426                         return 0;
 427         } else
 428                 node = element_root;
 429
 430         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 431                                                 count_element, &data);
 432
 433         return data.count;
 434 }
 435
 436 static gint compare_priority(gconstpointer a, gconstpointer b)
 437 {
 438         const struct connman_driver *driver1 = a;
 439         const struct connman_driver *driver2 = b;
 440
 441         return driver2->priority - driver1->priority;
 442 }
 443
 444 static gboolean match_driver(struct connman_element *element,
 445                                         struct connman_driver *driver)
 446 {
 447         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 448                 return FALSE;
 449
 450         if (element->type == driver->type ||
 451                         driver->type == CONNMAN_ELEMENT_TYPE_UNKNOWN)
 452                 return TRUE;
 453
 454         return FALSE;
 455 }
 456
 457 static gboolean probe_driver(GNode *node, gpointer data)
 458 {
 459         struct connman_element *element = node->data;
 460         struct connman_driver *driver = data;
 461
 462         DBG("element %p name %s", element, element->name);
 463
 464         if (!element->driver && match_driver(element, driver) == TRUE) {
 465                 if (driver->probe(element) < 0)
 466                         return FALSE;
 467
 468                 __connman_element_lock(element);
 469                 element->driver = driver;
 470                 __connman_element_unlock(element);
 471         }
 472
 473         return FALSE;
 474 }
 475
 476 void __connman_driver_rescan(struct connman_driver *driver)
 477 {
 478         DBG("driver %p name %s", driver, driver->name);
 479
 480         if (!driver->probe)
 481                 return;
 482
 483         if (element_root != NULL)
 484                 g_node_traverse(element_root, G_PRE_ORDER,
 485                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 486 }
 487
 488 /**
 489  * connman_driver_register:
 490  * @driver: driver definition
 491  *
 492  * Register a new driver
 493  *
 494  * Returns: %0 on success
 495  */
 496 int connman_driver_register(struct connman_driver *driver)
 497 {
 498         DBG("driver %p name %s", driver, driver->name);
 499
 500         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 501                 return -EINVAL;
 502
 503         if (!driver->probe)
 504                 return -EINVAL;
 505
 506         driver_list = g_slist_insert_sorted(driver_list, driver,
 507                                                         compare_priority);
 508
 509         if (started == FALSE)
 510                 return 0;
 511
 512         if (element_root != NULL)
 513                 g_node_traverse(element_root, G_PRE_ORDER,
 514                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 515
 516         return 0;
 517 }
 518
 519 static gboolean remove_driver(GNode *node, gpointer data)
 520 {
 521         struct connman_element *element = node->data;
 522         struct connman_driver *driver = data;
 523
 524         DBG("element %p name %s", element, element->name);
 525
 526         if (element->driver == driver) {
 527                 if (driver->remove)
 528                         driver->remove(element);
 529
 530                 __connman_element_lock(element);
 531                 element->driver = NULL;
 532                 __connman_element_unlock(element);
 533         }
 534
 535         return FALSE;
 536 }
 537
 538 /**
 539  * connman_driver_unregister:
 540  * @driver: driver definition
 541  *
 542  * Remove a previously registered driver
 543  */
 544 void connman_driver_unregister(struct connman_driver *driver)
 545 {
 546         DBG("driver %p name %s", driver, driver->name);
 547
 548         driver_list = g_slist_remove(driver_list, driver);
 549
 550         if (element_root != NULL)
 551                 g_node_traverse(element_root, G_POST_ORDER,
 552                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 553 }
 554
 555 /**
 556  * connman_element_create:
 557  * @name: element name
 558  *
 559  * Allocate a new element and assign the given #name to it. If the name
 560  * is #NULL, it will be later on created based on the element type.
 561  *
 562  * Returns: a newly-allocated #connman_element structure
 563  */
 564 struct connman_element *connman_element_create(const char *name)
 565 {
 566         struct connman_element *element;
 567
 568         element = g_try_new0(struct connman_element, 1);
 569         if (element == NULL)
 570                 return NULL;
 571
 572         DBG("element %p", element);
 573
 574         element->refcount = 1;
 575
 576         element->name    = g_strdup(name);
 577         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 578         element->index   = -1;
 579         element->enabled = FALSE;
 580
 581         return element;
 582 }
 583
 584 struct connman_element *connman_element_ref(struct connman_element *element)
 585 {
 586         DBG("element %p name %s refcount %d", element, element->name,
 587                                 g_atomic_int_get(&element->refcount) + 1);
 588
 589         g_atomic_int_inc(&element->refcount);
 590
 591         return element;
 592 }
 593
 594 static void free_properties(struct connman_element *element)
 595 {
 596         GSList *list;
 597
 598         DBG("element %p name %s", element, element->name);
 599
 600         __connman_element_lock(element);
 601
 602         for (list = element->properties; list; list = list->next) {
 603                 struct connman_property *property = list->data;
 604
 605                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
 606                         g_free(property->value);
 607
 608                 g_free(property->name);
 609                 g_free(property);
 610         }
 611
 612         g_slist_free(element->properties);
 613
 614         element->properties = NULL;
 615
 616         __connman_element_unlock(element);
 617 }
 618
 619 void connman_element_unref(struct connman_element *element)
 620 {
 621         DBG("element %p name %s refcount %d", element, element->name,
 622                                 g_atomic_int_get(&element->refcount) - 1);
 623
 624         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
 625                 if (element->destruct)
 626                         element->destruct(element);
 627                 free_properties(element);
 628                 g_free(element->ipv4.address);
 629                 g_free(element->ipv4.netmask);
 630                 g_free(element->ipv4.gateway);
 631                 g_free(element->ipv4.network);
 632                 g_free(element->ipv4.broadcast);
 633                 g_free(element->ipv4.nameserver);
 634                 g_free(element->devname);
 635                 g_free(element->devpath);
 636                 g_free(element->path);
 637                 g_free(element->name);
 638                 g_free(element);
 639         }
 640 }
 641
 642 int connman_element_add_static_property(struct connman_element *element,
 643                                 const char *name, int type, const void *value)
 644 {
 645         struct connman_property *property;
 646
 647         DBG("element %p name %s", element, element->name);
 648
 649         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
 650                 return -EINVAL;
 651
 652         property = g_try_new0(struct connman_property, 1);
 653         if (property == NULL)
 654                 return -ENOMEM;
 655
 656         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
 657         property->id    = CONNMAN_PROPERTY_ID_INVALID;
 658         property->name  = g_strdup(name);
 659         property->type  = type;
 660
 661         DBG("name %s type %d value %p", name, type, value);
 662
 663         switch (type) {
 664         case DBUS_TYPE_STRING:
 665                 property->value = g_strdup(*((const char **) value));
 666                 break;
 667         case DBUS_TYPE_BYTE:
 668                 property->value = g_try_malloc(1);
 669                 if (property->value != NULL)
 670                         memcpy(property->value, value, 1);
 671                 break;
 672         }
 673
 674         __connman_element_lock(element);
 675         element->properties = g_slist_append(element->properties, property);
 676         __connman_element_unlock(element);
 677
 678         return 0;
 679 }
 680
 681 int connman_element_set_static_property(struct connman_element *element,
 682                                 const char *name, int type, const void *value)
 683 {
 684         GSList *list;
 685
 686         DBG("element %p name %s", element, element->name);
 687
 688         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
 689                 return -EINVAL;
 690
 691         __connman_element_lock(element);
 692
 693         for (list = element->properties; list; list = list->next) {
 694                 struct connman_property *property = list->data;
 695
 696                 if (g_str_equal(property->name, name) == FALSE)
 697                         continue;
 698
 699                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
 700                         continue;
 701
 702                 property->type = type;
 703                 g_free(property->value);
 704
 705                 switch (type) {
 706                 case DBUS_TYPE_STRING:
 707                         property->value = g_strdup(*((const char **) value));
 708                         break;
 709                 case DBUS_TYPE_BYTE:
 710                         property->value = g_try_malloc(1);
 711                         if (property->value != NULL)
 712                                 memcpy(property->value, value, 1);
 713                         break;
 714                 }
 715         }
 716
 717         __connman_element_unlock(element);
 718
 719         return 0;
 720 }
 721
 722 int connman_element_add_static_array_property(struct connman_element *element,
 723                         const char *name, int type, const void *value, int len)
 724 {
 725         struct connman_property *property;
 726
 727         DBG("element %p name %s", element, element->name);
 728
 729         if (type != DBUS_TYPE_BYTE)
 730                 return -EINVAL;
 731
 732         property = g_try_new0(struct connman_property, 1);
 733         if (property == NULL)
 734                 return -ENOMEM;
 735
 736         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
 737         property->id      = CONNMAN_PROPERTY_ID_INVALID;
 738         property->name    = g_strdup(name);
 739         property->type    = DBUS_TYPE_ARRAY;
 740         property->subtype = type;
 741
 742         DBG("name %s type %d value %p", name, type, value);
 743
 744         switch (type) {
 745         case DBUS_TYPE_BYTE:
 746                 property->value = g_try_malloc(len);
 747                 if (property->value != NULL) {
 748                         memcpy(property->value,
 749                                 *((const unsigned char **) value), len);
 750                         property->size = len;
 751                 }
 752                 break;
 753         }
 754
 755         __connman_element_lock(element);
 756         element->properties = g_slist_append(element->properties, property);
 757         __connman_element_unlock(element);
 758
 759         return 0;
 760 }
 761
 762 static void *get_reference_value(struct connman_element *element,
 763                                                 enum connman_property_id id)
 764 {
 765         GSList *list;
 766
 767         DBG("element %p name %s", element, element->name);
 768
 769         for (list = element->properties; list; list = list->next) {
 770                 struct connman_property *property = list->data;
 771
 772                 if (property->id != id)
 773                         continue;
 774
 775                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
 776                         return property->value;
 777         }
 778
 779         if (element->parent == NULL)
 780                 return NULL;
 781
 782         return get_reference_value(element->parent, id);
 783 }
 784
 785 static void set_reference_properties(struct connman_element *element)
 786 {
 787         GSList *list;
 788
 789         DBG("element %p name %s", element, element->name);
 790
 791         for (list = element->properties; list; list = list->next) {
 792                 struct connman_property *property = list->data;
 793
 794                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
 795                         continue;
 796
 797                 property->value = get_reference_value(element->parent,
 798                                                                 property->id);
 799         }
 800 }
 801
 802 static struct connman_property *create_property(struct connman_element *element,
 803                                                 enum connman_property_id id)
 804 {
 805         struct connman_property *property;
 806         GSList *list;
 807
 808         DBG("element %p name %s", element, element->name);
 809
 810         __connman_element_lock(element);
 811
 812         for (list = element->properties; list; list = list->next) {
 813                 property = list->data;
 814
 815                 if (property->id == id)
 816                         goto unlock;
 817         }
 818
 819         property = g_try_new0(struct connman_property, 1);
 820         if (property == NULL)
 821                 goto unlock;
 822
 823         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
 824         property->id    = id;
 825         property->name  = g_strdup(propid2name(id));
 826         property->type  = propid2type(id);
 827
 828         if (property->name == NULL) {
 829                 g_free(property);
 830                 property = NULL;
 831                 goto unlock;
 832         }
 833
 834         element->properties = g_slist_append(element->properties, property);
 835
 836 unlock:
 837         __connman_element_unlock(element);
 838
 839         return property;
 840 }
 841
 842 static void create_default_properties(struct connman_element *element)
 843 {
 844         struct connman_property *property;
 845         int i;
 846
 847         DBG("element %p name %s", element, element->name);
 848
 849         for (i = 0; propid_table[i].name; i++) {
 850                 DBG("property %s", propid_table[i].name);
 851
 852                 property = create_property(element, propid_table[i].id);
 853
 854                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 855
 856                 if (propid_table[i].type != DBUS_TYPE_STRING)
 857                         continue;
 858
 859                 if (propid_table[i].value)
 860                         property->value = g_strdup(propid_table[i].value);
 861                 else
 862                         property->value = g_strdup("");
 863         }
 864 }
 865
 866 static int define_properties_valist(struct connman_element *element,
 867                                                                 va_list args)
 868 {
 869         enum connman_property_id id;
 870
 871         DBG("element %p name %s", element, element->name);
 872
 873         id = va_arg(args, enum connman_property_id);
 874
 875         while (id != CONNMAN_PROPERTY_ID_INVALID) {
 876
 877                 DBG("property %d", id);
 878
 879                 create_property(element, id);
 880
 881                 id = va_arg(args, enum connman_property_id);
 882         }
 883
 884         return 0;
 885 }
 886
 887 /**
 888  * connman_element_define_properties:
 889  * @element: an element
 890  * @varargs: list of property identifiers
 891  *
 892  * Define the valid properties for an element.
 893  *
 894  * Returns: %0 on success
 895  */
 896 int connman_element_define_properties(struct connman_element *element, ...)
 897 {
 898         va_list args;
 899         int err;
 900
 901         DBG("element %p name %s", element, element->name);
 902
 903         va_start(args, element);
 904
 905         err = define_properties_valist(element, args);
 906
 907         va_end(args);
 908
 909         return err;
 910 }
 911
 912 int connman_element_create_property(struct connman_element *element,
 913                                                 const char *name, int type)
 914 {
 915         return -EIO;
 916 }
 917
 918 int connman_element_set_property(struct connman_element *element,
 919                                 enum connman_property_id id, const void *value)
 920 {
 921         switch (id) {
 922         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
 923                 __connman_element_lock(element);
 924                 g_free(element->ipv4.address);
 925                 element->ipv4.address = g_strdup(*((const char **) value));
 926                 __connman_element_unlock(element);
 927                 break;
 928         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
 929                 __connman_element_lock(element);
 930                 g_free(element->ipv4.netmask);
 931                 element->ipv4.netmask = g_strdup(*((const char **) value));
 932                 __connman_element_unlock(element);
 933                 break;
 934         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
 935                 __connman_element_lock(element);
 936                 g_free(element->ipv4.gateway);
 937                 element->ipv4.gateway = g_strdup(*((const char **) value));
 938                 __connman_element_unlock(element);
 939                 break;
 940         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
 941                 __connman_element_lock(element);
 942                 g_free(element->ipv4.broadcast);
 943                 element->ipv4.broadcast = g_strdup(*((const char **) value));
 944                 __connman_element_unlock(element);
 945                 break;
 946         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
 947                 __connman_element_lock(element);
 948                 g_free(element->ipv4.nameserver);
 949                 element->ipv4.nameserver = g_strdup(*((const char **) value));
 950                 __connman_element_unlock(element);
 951                 break;
 952         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
 953                 __connman_element_lock(element);
 954                 g_free(element->wifi.security);
 955                 element->wifi.security = g_strdup(*((const char **) value));
 956                 __connman_element_unlock(element);
 957                 break;
 958         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
 959                 __connman_element_lock(element);
 960                 g_free(element->wifi.passphrase);
 961                 element->wifi.passphrase = g_strdup(*((const char **) value));
 962                 __connman_element_unlock(element);
 963                 break;
 964         default:
 965                 return -EINVAL;
 966         }
 967
 968         return 0;
 969 }
 970
 971 int connman_element_get_value(struct connman_element *element,
 972                                 enum connman_property_id id, void *value)
 973 {
 974         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 975                 return -EINVAL;
 976
 977         switch (id) {
 978         case CONNMAN_PROPERTY_ID_IPV4_METHOD:
 979                 if (element->ipv4.method == CONNMAN_IPV4_METHOD_UNKNOWN)
 980                         return connman_element_get_value(element->parent,
 981                                                                 id, value);
 982                 __connman_element_lock(element);
 983                 *((const char **) value) = __connman_ipv4_method2string(element->ipv4.method);
 984                 __connman_element_unlock(element);
 985                 break;
 986         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
 987                 if (element->ipv4.address == NULL)
 988                         return connman_element_get_value(element->parent,
 989                                                                 id, value);
 990                 __connman_element_lock(element);
 991                 *((char **) value) = element->ipv4.address;
 992                 __connman_element_unlock(element);
 993                 break;
 994         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
 995                 if (element->ipv4.netmask == NULL)
 996                         return connman_element_get_value(element->parent,
 997                                                                 id, value);
 998                 __connman_element_lock(element);
 999                 *((char **) value) = element->ipv4.netmask;
1000                 __connman_element_unlock(element);
1001                 break;
1002         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1003                 if (element->ipv4.gateway == NULL)
1004                         return connman_element_get_value(element->parent,
1005                                                                 id, value);
1006                 __connman_element_lock(element);
1007                 *((char **) value) = element->ipv4.gateway;
1008                 __connman_element_unlock(element);
1009                 break;
1010         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
1011                 if (element->ipv4.broadcast == NULL)
1012                         return connman_element_get_value(element->parent,
1013                                                                 id, value);
1014                 __connman_element_lock(element);
1015                 *((char **) value) = element->ipv4.broadcast;
1016                 __connman_element_unlock(element);
1017                 break;
1018         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1019                 if (element->ipv4.nameserver == NULL)
1020                         return connman_element_get_value(element->parent,
1021                                                                 id, value);
1022                 __connman_element_lock(element);
1023                 *((char **) value) = element->ipv4.nameserver;
1024                 __connman_element_unlock(element);
1025                 break;
1026         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1027                 if (element->wifi.security == NULL)
1028                         return connman_element_get_value(element->parent,
1029                                                                 id, value);
1030                 __connman_element_lock(element);
1031                 *((char **) value) = element->wifi.security;
1032                 __connman_element_unlock(element);
1033                 break;
1034         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1035                 if (element->wifi.passphrase == NULL)
1036                         return connman_element_get_value(element->parent,
1037                                                                 id, value);
1038                 __connman_element_lock(element);
1039                 *((char **) value) = element->wifi.passphrase;
1040                 __connman_element_unlock(element);
1041                 break;
1042         default:
1043                 return -EINVAL;
1044         }
1045
1046         return 0;
1047 }
1048
1049 gboolean connman_element_get_static_property(struct connman_element *element,
1050                                                 const char *name, void *value)
1051 {
1052         GSList *list;
1053         gboolean found = FALSE;
1054
1055         DBG("element %p name %s", element, element->name);
1056
1057         __connman_element_lock(element);
1058
1059         for (list = element->properties; list; list = list->next) {
1060                 struct connman_property *property = list->data;
1061
1062                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1063                         continue;
1064
1065                 if (g_str_equal(property->name, name) == TRUE) {
1066                         switch (property->type) {
1067                         case DBUS_TYPE_STRING:
1068                                 *((char **) value) = property->value;
1069                                 found = TRUE;
1070                                 break;
1071                         }
1072                         break;
1073                 }
1074         }
1075
1076         __connman_element_unlock(element);
1077
1078         return found;
1079 }
1080
1081 gboolean connman_element_get_static_array_property(struct connman_element *element,
1082                                         const char *name, void *value, int *len)
1083 {
1084         GSList *list;
1085         gboolean found = FALSE;
1086
1087         DBG("element %p name %s", element, element->name);
1088
1089         __connman_element_lock(element);
1090
1091         for (list = element->properties; list; list = list->next) {
1092                 struct connman_property *property = list->data;
1093
1094                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1095                         continue;
1096
1097                 if (g_str_equal(property->name, name) == TRUE) {
1098                         *((char **) value) = property->value;
1099                         *len = property->size;
1100                         found = TRUE;
1101                         break;
1102                 }
1103         }
1104
1105         __connman_element_unlock(element);
1106
1107         return found;
1108 }
1109
1110 gboolean connman_element_match_static_property(struct connman_element *element,
1111                                         const char *name, const void *value)
1112 {
1113         GSList *list;
1114         gboolean result = FALSE;
1115
1116         DBG("element %p name %s", element, element->name);
1117
1118         __connman_element_lock(element);
1119
1120         for (list = element->properties; list; list = list->next) {
1121                 struct connman_property *property = list->data;
1122
1123                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1124                         continue;
1125
1126                 if (g_str_equal(property->name, name) == FALSE)
1127                         continue;
1128
1129                 if (property->type == DBUS_TYPE_STRING)
1130                         result = g_str_equal(property->value,
1131                                                 *((const char **) value));
1132
1133                 if (result == TRUE)
1134                         break;
1135         }
1136
1137         __connman_element_unlock(element);
1138
1139         return result;
1140 }
1141
1142 static void append_connections(DBusMessageIter *entry)
1143 {
1144         DBusMessageIter value, iter;
1145         const char *key = "Connections";
1146
1147         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1148
1149         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1150                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1151                                                                 &value);
1152
1153         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1154                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1155         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1156         dbus_message_iter_close_container(&value, &iter);
1157
1158         dbus_message_iter_close_container(entry, &value);
1159 }
1160
1161 static void emit_connections_signal(DBusConnection *conn)
1162 {
1163         DBusMessage *signal;
1164         DBusMessageIter entry;
1165
1166         DBG("conn %p", conn);
1167
1168         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1169                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1170         if (signal == NULL)
1171                 return;
1172
1173         dbus_message_iter_init_append(signal, &entry);
1174
1175         append_connections(&entry);
1176
1177         g_dbus_send_message(conn, signal);
1178 }
1179
1180 static void append_state(DBusMessageIter *entry, const char *state)
1181 {
1182         DBusMessageIter value;
1183         const char *key = "State";
1184
1185         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1186
1187         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1188                                         DBUS_TYPE_STRING_AS_STRING, &value);
1189         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1190         dbus_message_iter_close_container(entry, &value);
1191 }
1192
1193 static void emit_state_change(DBusConnection *conn, const char *state)
1194 {
1195         DBusMessage *signal;
1196         DBusMessageIter entry;
1197
1198         DBG("conn %p", conn);
1199
1200         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1201                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1202         if (signal == NULL)
1203                 return;
1204
1205         dbus_message_iter_init_append(signal, &entry);
1206
1207         append_state(&entry, state);
1208
1209         g_dbus_send_message(conn, signal);
1210 }
1211
1212 static void set_signal_strength(struct connman_element *connection)
1213 {
1214         struct connman_element *element = connection;
1215
1216         while (element != NULL) {
1217                 if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1218                         connection->strength = element->strength;
1219                         break;
1220                 }
1221
1222                 element = element->parent;
1223         }
1224 }
1225
1226 static void probe_element(struct connman_element *element)
1227 {
1228         GSList *list;
1229
1230         DBG("element %p name %s", element, element->name);
1231
1232         for (list = driver_list; list; list = list->next) {
1233                 struct connman_driver *driver = list->data;
1234
1235                 if (match_driver(element, driver) == FALSE)
1236                         continue;
1237
1238                 DBG("driver %p name %s", driver, driver->name);
1239
1240                 if (driver->probe(element) == 0) {
1241                         __connman_element_lock(element);
1242                         element->driver = driver;
1243                         __connman_element_unlock(element);
1244                         break;
1245                 }
1246         }
1247 }
1248
1249 static void register_element(gpointer data, gpointer user_data)
1250 {
1251         struct connman_element *element = data;
1252         const gchar *basepath;
1253         GNode *node;
1254
1255         __connman_element_lock(element);
1256
1257         if (element->parent) {
1258                 node = g_node_find(element_root, G_PRE_ORDER,
1259                                         G_TRAVERSE_ALL, element->parent);
1260                 basepath = element->parent->path;
1261         } else {
1262                 element->parent = element_root->data;
1263
1264                 node = element_root;
1265                 basepath = "";
1266         }
1267
1268         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1269
1270         set_reference_properties(element);
1271
1272         __connman_element_unlock(element);
1273
1274         DBG("element %p path %s", element, element->path);
1275
1276         g_node_append_data(node, element);
1277
1278         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1279                 set_signal_strength(element);
1280                 emit_connections_signal(connection);
1281                 emit_state_change(connection, "online");
1282         }
1283
1284         emit_element_signal(connection, "ElementAdded", element);
1285
1286         if (started == FALSE)
1287                 return;
1288
1289         probe_element(element);
1290 }
1291
1292 /**
1293  * connman_element_register:
1294  * @element: the element to register
1295  * @parent: the parent to register the element with
1296  *
1297  * Register an element with the core. It will be register under the given
1298  * parent of if %NULL is provided under the root element.
1299  *
1300  * Returns: %0 on success
1301  */
1302 int connman_element_register(struct connman_element *element,
1303                                         struct connman_element *parent)
1304 {
1305         DBG("element %p name %s parent %p", element, element->name, parent);
1306
1307         if (element->devname == NULL)
1308                 element->devname = g_strdup(element->name);
1309
1310         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1311                 if (g_pattern_match_simple(device_filter,
1312                                                 element->devname) == FALSE) {
1313                         DBG("ignoring %s [%s] device", element->name,
1314                                                         element->devname);
1315                         return -EPERM;
1316                 }
1317         }
1318
1319         if (connman_element_ref(element) == NULL)
1320                 return -EINVAL;
1321
1322         __connman_element_lock(element);
1323
1324         if (element->name == NULL) {
1325                 element->name = g_strdup(type2string(element->type));
1326                 if (element->name == NULL) {
1327                         __connman_element_unlock(element);
1328                         return -EINVAL;
1329                 }
1330         }
1331
1332         if (element->type == CONNMAN_ELEMENT_TYPE_DHCP)
1333                 element->ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
1334
1335         element->parent = parent;
1336
1337         __connman_element_unlock(element);
1338
1339         register_element(element, NULL);
1340
1341         return 0;
1342 }
1343
1344 static gboolean remove_element(GNode *node, gpointer user_data)
1345 {
1346         struct connman_element *element = node->data;
1347         struct connman_element *root = user_data;
1348
1349         DBG("element %p name %s", element, element->name);
1350
1351         if (element == root)
1352                 return FALSE;
1353
1354         if (node != NULL)
1355                 g_node_unlink(node);
1356
1357         if (element->driver) {
1358                 if (element->driver->remove)
1359                         element->driver->remove(element);
1360
1361                 __connman_element_lock(element);
1362                 element->driver = NULL;
1363                 __connman_element_unlock(element);
1364         }
1365
1366         if (node != NULL)
1367                 g_node_destroy(node);
1368
1369         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1370                 if (__connman_element_count(NULL,
1371                                         CONNMAN_ELEMENT_TYPE_CONNECTION) == 0)
1372                         emit_state_change(connection, "offline");
1373                 emit_connections_signal(connection);
1374         }
1375
1376         emit_element_signal(connection, "ElementRemoved", element);
1377
1378         connman_element_unref(element);
1379
1380         return FALSE;
1381 }
1382
1383 void connman_element_unregister(struct connman_element *element)
1384 {
1385         GNode *node;
1386
1387         DBG("element %p name %s", element, element->name);
1388
1389         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1390
1391         if (node != NULL)
1392                 g_node_traverse(node, G_POST_ORDER,
1393                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1394 }
1395
1396 void connman_element_unregister_children(struct connman_element *element)
1397 {
1398         GNode *node;
1399
1400         DBG("element %p name %s", element, element->name);
1401
1402         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1403
1404         if (node != NULL)
1405                 g_node_traverse(node, G_POST_ORDER,
1406                                 G_TRAVERSE_ALL, -1, remove_element, element);
1407 }
1408
1409 static gboolean update_element(GNode *node, gpointer user_data)
1410 {
1411         struct connman_element *element = node->data;
1412         struct connman_element *root = user_data;
1413
1414         DBG("element %p name %s", element, element->name);
1415
1416         if (element->driver && element->driver->update)
1417                 element->driver->update(element);
1418
1419         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION &&
1420                                 root->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1421                 if (element->strength != root->strength)
1422                         element->strength = root->strength;
1423         }
1424
1425         emit_element_signal(connection, "ElementUpdated", element);
1426
1427         return FALSE;
1428 }
1429
1430 void connman_element_update(struct connman_element *element)
1431 {
1432         GNode *node;
1433
1434         DBG("element %p name %s", element, element->name);
1435
1436         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1437
1438         if (node != NULL)
1439                 g_node_traverse(node, G_PRE_ORDER,
1440                                 G_TRAVERSE_ALL, -1, update_element, element);
1441 }
1442
1443 int connman_element_set_enabled(struct connman_element *element,
1444                                                         gboolean enabled)
1445 {
1446         if (element->enabled == enabled)
1447                 return 0;
1448
1449         element->enabled = enabled;
1450
1451         return 0;
1452 }
1453
1454 int __connman_element_init(DBusConnection *conn, const char *device)
1455 {
1456         struct connman_element *element;
1457
1458         DBG("conn %p", conn);
1459
1460         connection = dbus_connection_ref(conn);
1461         if (connection == NULL)
1462                 return -EIO;
1463
1464         device_filter = g_strdup(device);
1465
1466         element = connman_element_create("root");
1467
1468         element->path = g_strdup("/");
1469         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1470
1471         create_default_properties(element);
1472
1473         element_root = g_node_new(element);
1474
1475         __connman_network_init();
1476         __connman_device_init();
1477
1478         return 0;
1479 }
1480
1481 static gboolean probe_node(GNode *node, gpointer data)
1482 {
1483         struct connman_element *element = node->data;
1484
1485         DBG("element %p name %s", element, element->name);
1486
1487         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1488                 return FALSE;
1489
1490         if (element->driver)
1491                 return FALSE;
1492
1493         probe_element(element);
1494
1495         return FALSE;
1496 }
1497
1498 void __connman_element_start(void)
1499 {
1500         DBG("");
1501
1502         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1503                                                         probe_node, NULL);
1504
1505         started = TRUE;
1506
1507         __connman_connection_init();
1508         __connman_ipv4_init();
1509         __connman_detect_init();
1510 }
1511
1512 void __connman_element_stop(void)
1513 {
1514         DBG("");
1515
1516         __connman_detect_cleanup();
1517         __connman_ipv4_cleanup();
1518         __connman_connection_cleanup();
1519 }
1520
1521 static gboolean free_driver(GNode *node, gpointer data)
1522 {
1523         struct connman_element *element = node->data;
1524
1525         DBG("element %p name %s", element, element->name);
1526
1527         if (element->driver) {
1528                 if (element->driver->remove)
1529                         element->driver->remove(element);
1530
1531                 __connman_element_lock(element);
1532                 element->driver = NULL;
1533                 __connman_element_unlock(element);
1534         }
1535
1536         return FALSE;
1537 }
1538
1539 static gboolean free_node(GNode *node, gpointer data)
1540 {
1541         struct connman_element *element = node->data;
1542
1543         DBG("element %p name %s", element, element->name);
1544
1545         if (g_node_depth(node) > 1)
1546                 connman_element_unregister(element);
1547
1548         return FALSE;
1549 }
1550
1551 void __connman_element_cleanup(void)
1552 {
1553         DBG("");
1554
1555         __connman_device_cleanup();
1556         __connman_network_cleanup();
1557
1558         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1559                                                         free_driver, NULL);
1560
1561         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1562                                                         free_node, NULL);
1563
1564         g_node_destroy(element_root);
1565         element_root = NULL;
1566
1567         g_free(device_filter);
1568
1569         dbus_connection_unref(connection);
1570 }