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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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
  28 #include <glib.h>
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection;
  34
  35 static GStaticRWLock driver_lock = G_STATIC_RW_LOCK_INIT;
  36 static GSList *driver_list = NULL;
  37 static GThreadPool *driver_thread;
  38
  39 static GStaticMutex element_mutex = G_STATIC_MUTEX_INIT;
  40 static GNode *element_root = NULL;
  41 static GThreadPool *element_thread;
  42
  43 static const char *type2string(enum connman_element_type type)
  44 {
  45         switch (type) {
  46         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  47                 return "unknown";
  48         case CONNMAN_ELEMENT_TYPE_ROOT:
  49                 return "root";
  50         case CONNMAN_ELEMENT_TYPE_DEVICE:
  51                 return "device";
  52         case CONNMAN_ELEMENT_TYPE_NETWORK:
  53                 return "network";
  54         case CONNMAN_ELEMENT_TYPE_IPV4:
  55                 return "ipv4";
  56         case CONNMAN_ELEMENT_TYPE_IPV6:
  57                 return "ipv6";
  58         case CONNMAN_ELEMENT_TYPE_DHCP:
  59                 return "dhcp";
  60         case CONNMAN_ELEMENT_TYPE_BOOTP:
  61                 return "bootp";
  62         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
  63                 return "zeroconf";
  64         case CONNMAN_ELEMENT_TYPE_CONNECTION:
  65                 return "42";
  66         }
  67
  68         return NULL;
  69 }
  70
  71 static const char *subtype2string(enum connman_element_subtype type)
  72 {
  73         switch (type) {
  74         case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
  75                 return "unknown";
  76         case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
  77                 return "ethernet";
  78         case CONNMAN_ELEMENT_SUBTYPE_WIFI:
  79                 return "wifi";
  80         case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
  81                 return "wimax";
  82         case CONNMAN_ELEMENT_SUBTYPE_MODEM:
  83                 return "modem";
  84         case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
  85                 return "bluetooth";
  86         }
  87
  88         return NULL;
  89 }
  90
  91 static void append_entry(DBusMessageIter *dict,
  92                                 const char *key, int type, void *val)
  93 {
  94         DBusMessageIter entry, value;
  95         const char *signature;
  96
  97         dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
  98                                                                 NULL, &entry);
  99
 100         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 101
 102         switch (type) {
 103         case DBUS_TYPE_STRING:
 104                 signature = DBUS_TYPE_STRING_AS_STRING;
 105                 break;
 106         case DBUS_TYPE_UINT16:
 107                 signature = DBUS_TYPE_UINT16_AS_STRING;
 108                 break;
 109         case DBUS_TYPE_OBJECT_PATH:
 110                 signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
 111                 break;
 112         default:
 113                 signature = DBUS_TYPE_VARIANT_AS_STRING;
 114                 break;
 115         }
 116
 117         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 118                                                         signature, &value);
 119         dbus_message_iter_append_basic(&value, type, val);
 120         dbus_message_iter_close_container(&entry, &value);
 121
 122         dbus_message_iter_close_container(dict, &entry);
 123 }
 124
 125 static void append_property(DBusMessageIter *dict,
 126                                 struct connman_property *property)
 127 {
 128         if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC) {
 129                 append_entry(dict, property->name, property->type,
 130                                                         &property->value);
 131                 return;
 132         }
 133 }
 134
 135 static DBusMessage *get_properties(DBusConnection *conn,
 136                                         DBusMessage *msg, void *data)
 137 {
 138         struct connman_element *element = data;
 139         GSList *list;
 140         DBusMessage *reply;
 141         DBusMessageIter array, dict;
 142         const char *str;
 143
 144         DBG("conn %p", conn);
 145
 146         reply = dbus_message_new_method_return(msg);
 147         if (reply == NULL)
 148                 return NULL;
 149
 150         dbus_message_iter_init_append(reply, &array);
 151
 152         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 153                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 154                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 155                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 156
 157         if (element->parent != NULL)
 158                 append_entry(&dict, "Parent",
 159                                 DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 160
 161         str = type2string(element->type);
 162         if (str != NULL)
 163                 append_entry(&dict, "Type", DBUS_TYPE_STRING, &str);
 164         str = subtype2string(element->subtype);
 165         if (str != NULL)
 166                 append_entry(&dict, "Subtype", DBUS_TYPE_STRING, &str);
 167
 168         if (element->ipv4.address != NULL)
 169                 append_entry(&dict, "IPv4.Address",
 170                                 DBUS_TYPE_STRING, &element->ipv4.address);
 171         if (element->ipv4.netmask != NULL)
 172                 append_entry(&dict, "IPv4.Netmask",
 173                                 DBUS_TYPE_STRING, &element->ipv4.netmask);
 174         if (element->ipv4.gateway != NULL)
 175                 append_entry(&dict, "IPv4.Gateway",
 176                                 DBUS_TYPE_STRING, &element->ipv4.gateway);
 177
 178         for (list = element->properties; list; list = list->next) {
 179                 struct connman_property *property = list->data;
 180
 181                 append_property(&dict, property);
 182         }
 183
 184         dbus_message_iter_close_container(&array, &dict);
 185
 186         return reply;
 187 }
 188
 189 static GDBusMethodTable element_methods[] = {
 190         { "GetProperties", "", "a{sv}", get_properties },
 191         { },
 192 };
 193
 194 struct append_filter {
 195         enum connman_element_type type;
 196         DBusMessageIter *iter;
 197 };
 198
 199 static gboolean append_path(GNode *node, gpointer data)
 200 {
 201         struct connman_element *element = node->data;
 202         struct append_filter *filter = data;
 203
 204         DBG("element %p name %s", element, element->name);
 205
 206         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 207                 return FALSE;
 208
 209         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 210                                         filter->type != element->type)
 211                 return FALSE;
 212
 213         dbus_message_iter_append_basic(filter->iter,
 214                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 215
 216         return FALSE;
 217 }
 218
 219 void __connman_element_list(enum connman_element_type type,
 220                                                 DBusMessageIter *iter)
 221 {
 222         struct append_filter filter = { type, iter };
 223
 224         DBG("");
 225
 226         g_static_mutex_lock(&element_mutex);
 227         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 228                                                         append_path, &filter);
 229         g_static_mutex_unlock(&element_mutex);
 230 }
 231
 232 static gint compare_priority(gconstpointer a, gconstpointer b)
 233 {
 234         const struct connman_driver *driver1 = a;
 235         const struct connman_driver *driver2 = b;
 236
 237         return driver2->priority - driver1->priority;
 238 }
 239
 240 int connman_driver_register(struct connman_driver *driver)
 241 {
 242         DBG("driver %p name %s", driver, driver->name);
 243
 244         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 245                 return -1;
 246
 247         if (!driver->probe)
 248                 return -EINVAL;
 249
 250         g_static_rw_lock_writer_lock(&driver_lock);
 251         driver_list = g_slist_insert_sorted(driver_list, driver,
 252                                                         compare_priority);
 253         g_static_rw_lock_writer_unlock(&driver_lock);
 254
 255         g_thread_pool_push(driver_thread, driver, NULL);
 256
 257         return 0;
 258 }
 259
 260 static gboolean remove_driver(GNode *node, gpointer data)
 261 {
 262         struct connman_element *element = node->data;
 263         struct connman_driver *driver = data;
 264
 265         DBG("element %p name %s", element, element->name);
 266
 267         if (element->driver == driver) {
 268                 if (driver->remove)
 269                         driver->remove(element);
 270                 element->driver = NULL;
 271         }
 272
 273         return FALSE;
 274 }
 275
 276 void connman_driver_unregister(struct connman_driver *driver)
 277 {
 278         DBG("driver %p name %s", driver, driver->name);
 279
 280         g_static_mutex_lock(&element_mutex);
 281         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 282                                                         remove_driver, driver);
 283         g_static_mutex_unlock(&element_mutex);
 284
 285         g_static_rw_lock_writer_lock(&driver_lock);
 286         driver_list = g_slist_remove(driver_list, driver);
 287         g_static_rw_lock_writer_unlock(&driver_lock);
 288 }
 289
 290 struct connman_element *connman_element_create(void)
 291 {
 292         struct connman_element *element;
 293
 294         element = g_new0(struct connman_element, 1);
 295
 296         DBG("element %p", element);
 297
 298         element->refcount = 1;
 299
 300         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 301         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
 302         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
 303
 304         element->netdev.index = -1;
 305
 306         return element;
 307 }
 308
 309 struct connman_element *connman_element_ref(struct connman_element *element)
 310 {
 311         DBG("element %p name %s refcount %d", element, element->name,
 312                                 g_atomic_int_get(&element->refcount) + 1);
 313
 314         g_atomic_int_inc(&element->refcount);
 315
 316         return element;
 317 }
 318
 319 void connman_element_unref(struct connman_element *element)
 320 {
 321         DBG("element %p name %s refcount %d", element, element->name,
 322                                 g_atomic_int_get(&element->refcount) - 1);
 323
 324         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
 325                 GSList *list;
 326
 327                 for (list = element->properties; list; list = list->next) {
 328                         struct connman_property *property = list->data;
 329                         if ((property->flags & CONNMAN_PROPERTY_FLAG_STATIC) &&
 330                                         property->type == DBUS_TYPE_STRING)
 331                                 g_free(property->value);
 332                         g_free(property);
 333                         list->data = NULL;
 334                 }
 335                 g_slist_free(element->properties);
 336
 337                 g_free(element->ipv4.address);
 338                 g_free(element->ipv4.netmask);
 339                 g_free(element->ipv4.gateway);
 340                 g_free(element->ipv4.network);
 341                 g_free(element->ipv4.broadcast);
 342                 g_free(element->ipv4.nameserver);
 343                 g_free(element->netdev.name);
 344                 g_free(element->path);
 345                 g_free(element->name);
 346                 g_free(element);
 347         }
 348 }
 349
 350 int connman_element_add_static_property(struct connman_element *element,
 351                                 const char *name, int type, const void *value)
 352 {
 353         struct connman_property *property;
 354
 355         DBG("element %p name %s", element, element->name);
 356
 357         if (type != DBUS_TYPE_STRING)
 358                 return -EINVAL;
 359
 360         property = g_try_new0(struct connman_property, 1);
 361         if (property == NULL)
 362                 return -ENOMEM;
 363
 364         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
 365
 366         property->name = g_strdup(name);
 367         property->type = type;
 368
 369         DBG("name %s type %d value %p", name, type, value);
 370
 371         switch (type) {
 372         case DBUS_TYPE_STRING:
 373                 property->value = g_strdup(*((const char **) value));
 374                 break;
 375         }
 376
 377         element->properties = g_slist_append(element->properties, property);
 378
 379         return 0;
 380 }
 381
 382 int connman_element_set_property(struct connman_element *element,
 383                         enum connman_property_type type, const void *value)
 384 {
 385         switch (type) {
 386         case CONNMAN_PROPERTY_TYPE_INVALID:
 387                 return -EINVAL;
 388         case CONNMAN_PROPERTY_TYPE_IPV4_ADDRESS:
 389                 g_free(element->ipv4.address);
 390                 element->ipv4.address = g_strdup(*((const char **) value));
 391                 break;
 392         case CONNMAN_PROPERTY_TYPE_IPV4_NETMASK:
 393                 g_free(element->ipv4.netmask);
 394                 element->ipv4.netmask = g_strdup(*((const char **) value));
 395                 break;
 396         case CONNMAN_PROPERTY_TYPE_IPV4_GATEWAY:
 397                 g_free(element->ipv4.gateway);
 398                 element->ipv4.gateway = g_strdup(*((const char **) value));
 399                 break;
 400         }
 401
 402         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 403                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 404                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 405                                                         DBUS_TYPE_INVALID);
 406
 407         return 0;
 408 }
 409
 410 int connman_element_get_value(struct connman_element *element,
 411                                 enum connman_property_type type, void *value)
 412 {
 413         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 414                 return -EINVAL;
 415
 416         switch (type) {
 417         case CONNMAN_PROPERTY_TYPE_INVALID:
 418                 return -EINVAL;
 419         case CONNMAN_PROPERTY_TYPE_IPV4_ADDRESS:
 420                 if (element->ipv4.address == NULL)
 421                         return connman_element_get_value(element->parent,
 422                                                                 type, value);
 423                 *((char **) value) = element->ipv4.address;
 424                 break;
 425         case CONNMAN_PROPERTY_TYPE_IPV4_NETMASK:
 426                 if (element->ipv4.netmask == NULL)
 427                         return connman_element_get_value(element->parent,
 428                                                                 type, value);
 429                 *((char **) value) = element->ipv4.netmask;
 430                 break;
 431         case CONNMAN_PROPERTY_TYPE_IPV4_GATEWAY:
 432                 if (element->ipv4.gateway == NULL)
 433                         return connman_element_get_value(element->parent,
 434                                                                 type, value);
 435                 *((char **) value) = element->ipv4.gateway;
 436                 break;
 437         }
 438
 439         return 0;
 440 }
 441
 442 int connman_element_register(struct connman_element *element,
 443                                         struct connman_element *parent)
 444 {
 445         GNode *node;
 446         const gchar *basepath;
 447
 448         DBG("element %p name %s parent %p", element, element->name, parent);
 449
 450         if (connman_element_ref(element) == NULL)
 451                 return -1;
 452
 453         g_static_mutex_lock(&element_mutex);
 454
 455         if (parent) {
 456                 node = g_node_find(element_root, G_PRE_ORDER,
 457                                                 G_TRAVERSE_ALL, parent);
 458                 basepath = parent->path;
 459
 460                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 461                         element->subtype = parent->subtype;
 462         } else {
 463                 node = element_root;
 464                 basepath = "";
 465         }
 466
 467         if (element->name == NULL) {
 468                 switch (element->type) {
 469                 case CONNMAN_ELEMENT_TYPE_IPV4:
 470                         element->name = g_strdup("ipv4");
 471                         break;
 472                 case CONNMAN_ELEMENT_TYPE_IPV6:
 473                         element->name = g_strdup("ipv6");
 474                         break;
 475                 case CONNMAN_ELEMENT_TYPE_DHCP:
 476                         element->name = g_strdup("dhcp");
 477                         break;
 478                 case CONNMAN_ELEMENT_TYPE_BOOTP:
 479                         element->name = g_strdup("bootp");
 480                         break;
 481                 case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 482                         element->name = g_strdup("zeroconf");
 483                         break;
 484                 default:
 485                         break;
 486                 }
 487         }
 488
 489         element->path = g_strdup_printf("%s/%s", basepath, element->name);
 490         element->parent = parent;
 491
 492         DBG("element %p path %s", element, element->path);
 493
 494         g_node_append_data(node, element);
 495
 496         g_static_mutex_unlock(&element_mutex);
 497
 498         g_dbus_register_interface(connection, element->path,
 499                                         CONNMAN_ELEMENT_INTERFACE,
 500                                         element_methods, NULL, NULL,
 501                                                         element, NULL);
 502
 503         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 504                                 CONNMAN_MANAGER_INTERFACE, "ElementAdded",
 505                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 506                                                         DBUS_TYPE_INVALID);
 507
 508         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE)
 509                 g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 510                                 CONNMAN_MANAGER_INTERFACE, "DeviceAdded",
 511                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 512                                                         DBUS_TYPE_INVALID);
 513
 514         g_thread_pool_push(element_thread, element, NULL);
 515
 516         return 0;
 517 }
 518
 519 void connman_element_unregister(struct connman_element *element)
 520 {
 521         GNode *node;
 522
 523         DBG("element %p name %s", element, element->name);
 524
 525         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE)
 526                 g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 527                                 CONNMAN_MANAGER_INTERFACE, "DeviceRemoved",
 528                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 529                                                         DBUS_TYPE_INVALID);
 530
 531         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 532                                 CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
 533                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 534                                                         DBUS_TYPE_INVALID);
 535
 536         g_dbus_unregister_interface(connection, element->path,
 537                                                 CONNMAN_ELEMENT_INTERFACE);
 538
 539         g_static_mutex_lock(&element_mutex);
 540
 541         if (element->driver) {
 542                 if (element->driver->remove)
 543                         element->driver->remove(element);
 544                 element->driver = NULL;
 545         }
 546
 547         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
 548         if (node != NULL) {
 549                 g_node_unlink(node);
 550                 g_node_destroy(node);
 551         }
 552
 553         g_static_mutex_unlock(&element_mutex);
 554
 555         connman_element_unref(element);
 556 }
 557
 558 void connman_element_update(struct connman_element *element)
 559 {
 560         DBG("element %p name %s", element, element->name);
 561
 562         g_static_mutex_lock(&element_mutex);
 563
 564         if (element->driver && element->driver->update)
 565                 element->driver->update(element);
 566
 567         g_static_mutex_unlock(&element_mutex);
 568
 569         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 570                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 571                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 572                                                         DBUS_TYPE_INVALID);
 573 }
 574
 575 static inline void set_driver(struct connman_element *element,
 576                                                 struct connman_driver *driver)
 577 {
 578         g_static_mutex_lock(&element_mutex);
 579         element->driver = driver;
 580         g_static_mutex_unlock(&element_mutex);
 581 }
 582
 583 static gboolean match_driver(struct connman_element *element,
 584                                         struct connman_driver *driver)
 585 {
 586         if (element->type != driver->type &&
 587                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 588                 return FALSE;
 589
 590         if (element->subtype == driver->subtype ||
 591                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 592                 return TRUE;
 593
 594         return FALSE;
 595 }
 596
 597 static gboolean probe_driver(GNode *node, gpointer data)
 598 {
 599         struct connman_element *element = node->data;
 600         struct connman_driver *driver = data;
 601
 602         DBG("element %p name %s", element, element->name);
 603
 604         if (!element->driver && match_driver(element, driver) == TRUE) {
 605                 element->driver = driver;
 606
 607                 if (driver->probe(element) < 0)
 608                         element->driver = NULL;
 609         }
 610
 611         return FALSE;
 612 }
 613
 614 static void driver_probe(gpointer data, gpointer user_data)
 615 {
 616         struct connman_driver *driver = data;
 617
 618         DBG("driver %p name %s", driver, driver->name);
 619
 620         g_static_mutex_lock(&element_mutex);
 621         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 622                                                         probe_driver, driver);
 623         g_static_mutex_unlock(&element_mutex);
 624 }
 625
 626 static void element_probe(gpointer data, gpointer user_data)
 627 {
 628         struct connman_element *element = data;
 629         GSList *list;
 630
 631         DBG("element %p name %s", element, element->name);
 632
 633         if (connman_element_ref(element) == NULL)
 634                 return;
 635
 636         g_static_rw_lock_reader_lock(&driver_lock);
 637
 638         for (list = driver_list; list; list = list->next) {
 639                 struct connman_driver *driver = list->data;
 640
 641                 DBG("driver %p name %s", driver, driver->name);
 642
 643                 set_driver(element, driver);
 644
 645                 if (match_driver(element, driver) == TRUE &&
 646                                                 driver->probe(element) == 0)
 647                         break;
 648
 649                 set_driver(element, NULL);
 650         }
 651
 652         g_static_rw_lock_reader_unlock(&driver_lock);
 653
 654         connman_element_unref(element);
 655 }
 656
 657 int __connman_element_init(DBusConnection *conn)
 658 {
 659         struct connman_element *element;
 660
 661         DBG("conn %p", conn);
 662
 663         connection = dbus_connection_ref(conn);
 664         if (connection == NULL)
 665                 return -EIO;
 666
 667         g_static_mutex_lock(&element_mutex);
 668
 669         element = connman_element_create();
 670
 671         element->name = g_strdup("root");
 672         element->path = g_strdup("/");
 673         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
 674
 675         element_root = g_node_new(element);
 676
 677         g_static_mutex_unlock(&element_mutex);
 678
 679         element_thread = g_thread_pool_new(element_probe, NULL, 1, FALSE, NULL);
 680
 681         driver_thread = g_thread_pool_new(driver_probe, NULL, 1, FALSE, NULL);
 682
 683         return 0;
 684 }
 685
 686 static gboolean free_node(GNode *node, gpointer data)
 687 {
 688         struct connman_element *element = node->data;
 689
 690         DBG("element %p name %s", element, element->name);
 691
 692         g_dbus_unregister_interface(connection, element->path,
 693                                                 CONNMAN_ELEMENT_INTERFACE);
 694
 695         if (element->driver) {
 696                 if (element->driver->remove)
 697                         element->driver->remove(element);
 698                 element->driver = NULL;
 699         }
 700
 701         connman_element_unref(element);
 702
 703         node->data = NULL;
 704
 705         return FALSE;
 706 }
 707
 708 void __connman_element_cleanup(void)
 709 {
 710         DBG("");
 711
 712         g_thread_pool_free(driver_thread, TRUE, TRUE);
 713
 714         g_thread_pool_free(element_thread, TRUE, TRUE);
 715
 716         g_static_mutex_lock(&element_mutex);
 717
 718         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 719                                                         free_node, NULL);
 720
 721         g_node_destroy(element_root);
 722         element_root = NULL;
 723
 724         g_static_mutex_unlock(&element_mutex);
 725
 726         dbus_connection_unref(connection);
 727 }