Add support for reading config directory from dbus-1.pc
[connman] / src / element.c
index 0eda55c..fb11f79 100644 (file)
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
 
 static DBusConnection *connection;
 
-static GStaticRWLock element_lock = G_STATIC_RW_LOCK_INIT;
 static GNode *element_root = NULL;
-
 static GSList *driver_list = NULL;
-
 static gchar *device_filter = NULL;
 
+static gboolean started = FALSE;
+
 static struct {
        enum connman_property_id id;
        int type;
@@ -55,14 +54,10 @@ static struct {
                DBUS_TYPE_STRING, "IPv4.Netmask" },
        { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
                DBUS_TYPE_STRING, "IPv4.Gateway" },
+       { CONNMAN_PROPERTY_ID_IPV4_BROADCAST,
+               DBUS_TYPE_STRING, "IPv4.Broadcast" },
        { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
                DBUS_TYPE_STRING, "IPv4.Nameserver" },
-
-       { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
-               DBUS_TYPE_STRING, "WiFi.Security" },
-       { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
-               DBUS_TYPE_STRING, "WiFi.Passphrase" },
-
        { }
 };
 
@@ -105,6 +100,8 @@ static const char *type2string(enum connman_element_type type)
                return "network";
        case CONNMAN_ELEMENT_TYPE_SERVICE:
                return "service";
+       case CONNMAN_ELEMENT_TYPE_PPP:
+               return "ppp";
        case CONNMAN_ELEMENT_TYPE_IPV4:
                return "ipv4";
        case CONNMAN_ELEMENT_TYPE_IPV6:
@@ -115,89 +112,92 @@ static const char *type2string(enum connman_element_type type)
                return "bootp";
        case CONNMAN_ELEMENT_TYPE_ZEROCONF:
                return "zeroconf";
-       case CONNMAN_ELEMENT_TYPE_RESOLVER:
-               return "resolver";
        case CONNMAN_ELEMENT_TYPE_CONNECTION:
                return "connection";
+       case CONNMAN_ELEMENT_TYPE_VENDOR:
+               return "vendor";
        }
 
        return NULL;
 }
 
-static const char *subtype2string(enum connman_element_subtype type)
+const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 {
-       switch (type) {
-       case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
+       switch (method) {
+       case CONNMAN_IPV4_METHOD_UNKNOWN:
                return "unknown";
-       case CONNMAN_ELEMENT_SUBTYPE_FAKE:
-               return "fake";
-       case CONNMAN_ELEMENT_SUBTYPE_NETWORK:
-               return "network";
-       case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
-               return "ethernet";
-       case CONNMAN_ELEMENT_SUBTYPE_WIFI:
-               return "wifi";
-       case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
-               return "wimax";
-       case CONNMAN_ELEMENT_SUBTYPE_MODEM:
-               return "modem";
-       case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
-               return "bluetooth";
+       case CONNMAN_IPV4_METHOD_OFF:
+               return "off";
+       case CONNMAN_IPV4_METHOD_STATIC:
+               return "static";
+       case CONNMAN_IPV4_METHOD_DHCP:
+               return "dhcp";
        }
 
-       return NULL;
+       return "unknown";
 }
 
-static const char *policy2string(enum connman_element_policy policy)
+enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
 {
-       switch (policy) {
-       case CONNMAN_ELEMENT_POLICY_UNKNOWN:
-               return "unknown";
-       case CONNMAN_ELEMENT_POLICY_OFF:
-               return "off";
-       case CONNMAN_ELEMENT_POLICY_AUTO:
-               return "auto";
-       case CONNMAN_ELEMENT_POLICY_IGNORE:
-               return "ignore";
-       case CONNMAN_ELEMENT_POLICY_ASK:
-               return "ask";
-       }
-
-       return NULL;
+       if (strcasecmp(method, "off") == 0)
+               return CONNMAN_IPV4_METHOD_OFF;
+       else if (strcasecmp(method, "static") == 0)
+               return CONNMAN_IPV4_METHOD_STATIC;
+       else if (strcasecmp(method, "dhcp") == 0)
+               return CONNMAN_IPV4_METHOD_DHCP;
+       else
+               return CONNMAN_IPV4_METHOD_UNKNOWN;
 }
 
+#if 0
 static void append_property(DBusMessageIter *dict,
                                struct connman_property *property)
 {
        if (property->value == NULL)
                return;
 
-       if (property->type == DBUS_TYPE_ARRAY)
+       switch (property->type) {
+       case DBUS_TYPE_ARRAY:
                connman_dbus_dict_append_array(dict, property->name,
                        property->subtype, &property->value, property->size);
-       else
+               break;
+       case DBUS_TYPE_STRING:
                connman_dbus_dict_append_variant(dict, property->name,
                                        property->type, &property->value);
+               break;
+       default:
+               connman_dbus_dict_append_variant(dict, property->name,
+                                       property->type, property->value);
+               break;
+       }
 }
 
 static void add_common_properties(struct connman_element *element,
                                                DBusMessageIter *dict)
 {
+       const char *address = NULL, *netmask = NULL, *gateway = NULL;
        GSList *list;
 
+       connman_element_get_value(element,
+                               CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
+       connman_element_get_value(element,
+                               CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
+       connman_element_get_value(element,
+                               CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
+
        if (element->priority > 0)
                connman_dbus_dict_append_variant(dict, "Priority",
                                        DBUS_TYPE_UINT16, &element->priority);
 
-       if (element->ipv4.address != NULL)
+       if (address != NULL)
                connman_dbus_dict_append_variant(dict, "IPv4.Address",
-                               DBUS_TYPE_STRING, &element->ipv4.address);
-       if (element->ipv4.netmask != NULL)
+                                               DBUS_TYPE_STRING, &address);
+       if (netmask != NULL)
                connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
-                               DBUS_TYPE_STRING, &element->ipv4.netmask);
-       if (element->ipv4.gateway != NULL)
+                                               DBUS_TYPE_STRING, &netmask);
+       if (gateway != NULL)
                connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
-                               DBUS_TYPE_STRING, &element->ipv4.gateway);
+                                               DBUS_TYPE_STRING, &gateway);
 
        if (element->wifi.security != NULL) {
                const char *passphrase = "";
@@ -257,428 +257,76 @@ static void set_common_property(struct connman_element *element,
 
        __connman_element_unlock(element);
 }
+#endif
 
-static DBusMessage *get_properties(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessage *reply;
-       DBusMessageIter array, dict;
-       const char *str;
-
-       DBG("conn %p", conn);
-
-       reply = dbus_message_new_method_return(msg);
-       if (reply == NULL)
-               return NULL;
-
-       dbus_message_iter_init_append(reply, &array);
-
-       dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
-                       DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
-                       DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
-                       DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
-
-       if (element->parent != NULL &&
-                       element->parent->type != CONNMAN_ELEMENT_TYPE_ROOT) {
-               connman_dbus_dict_append_variant(&dict, "Parent",
-                               DBUS_TYPE_OBJECT_PATH, &element->parent->path);
-       }
-
-       str = type2string(element->type);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Type",
-                                               DBUS_TYPE_STRING, &str);
-       str = subtype2string(element->subtype);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Subtype",
-                                               DBUS_TYPE_STRING, &str);
-
-       connman_dbus_dict_append_variant(&dict, "Enabled",
-                                       DBUS_TYPE_BOOLEAN, &element->enabled);
-
-       add_common_properties(element, &dict);
-
-       dbus_message_iter_close_container(&array, &dict);
-
-       return reply;
-}
-
-static DBusMessage *do_update(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-
-       DBG("conn %p", conn);
-
-       if (element->enabled == FALSE)
-               return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-
-       if (element->driver && element->driver->update) {
-               DBG("Calling update callback");
-               element->driver->update(element);
-       }
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static DBusMessage *do_enable(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-
-       DBG("conn %p", conn);
-
-       if (element->enabled == TRUE)
-               return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-
-       if (element->driver && element->driver->enable) {
-               DBG("Calling enable callback");
-               if (element->driver->enable(element) < 0)
-                       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-       }
-
-       element->enabled = TRUE;
-
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static DBusMessage *do_disable(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-
-       DBG("conn %p", conn);
-
-       if (element->enabled == FALSE)
-               return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-
-       if (element->driver && element->driver->disable) {
-               DBG("Calling disable callback");
-               if (element->driver->disable(element) < 0)
-                       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-       }
-
-       element->enabled = FALSE;
-
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static void append_networks(DBusMessageIter *dict)
-{
-       DBusMessageIter entry, value, iter;
-       const char *key = "Networks";
-
-       dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
-                                                               NULL, &entry);
-
-       dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
-
-       dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
-               DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
-                                                               &value);
-
-       dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
-                               DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
-
-       __connman_element_list(CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
-
-       dbus_message_iter_close_container(&value, &iter);
-
-       dbus_message_iter_close_container(&entry, &value);
-
-       dbus_message_iter_close_container(dict, &entry);
-}
-
-static DBusMessage *get_device_properties(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
+static void emit_element_signal(DBusConnection *conn, const char *member,
+                                       struct connman_element *element)
 {
-       struct connman_element *element = data;
-       DBusMessage *reply;
-       DBusMessageIter array, dict;
-       const char *str;
-
-       DBG("conn %p", conn);
-
-       reply = dbus_message_new_method_return(msg);
-       if (reply == NULL)
-               return NULL;
-
-       dbus_message_iter_init_append(reply, &array);
-
-       dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
-                       DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
-                       DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
-                       DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
-
-       str = subtype2string(element->subtype);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Type",
-                                               DBUS_TYPE_STRING, &str);
-
-       str = policy2string(element->policy);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Policy",
-                                               DBUS_TYPE_STRING, &str);
+       DBusMessage *signal;
 
-       connman_dbus_dict_append_variant(&dict, "Powered",
-                                       DBUS_TYPE_BOOLEAN, &element->enabled);
+       if (__connman_debug_enabled() == FALSE)
+               return;
 
-       append_networks(&dict);
+       DBG("conn %p member %s", conn, member);
 
-       add_common_properties(element, &dict);
+       if (element == NULL)
+               return;
 
-       dbus_message_iter_close_container(&array, &dict);
+       signal = dbus_message_new_signal(element->path,
+                                       CONNMAN_DEBUG_INTERFACE, member);
+       if (signal == NULL)
+               return;
 
-       return reply;
+       g_dbus_send_message(conn, signal);
 }
 
-static DBusMessage *set_device_property(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessageIter iter;
-       DBusMessageIter value;
-       const char *name;
-
-       DBG("conn %p", conn);
-
-       if (dbus_message_iter_init(msg, &iter) == FALSE)
-               return __connman_error_invalid_arguments(msg);
-
-       dbus_message_iter_get_basic(&iter, &name);
-       dbus_message_iter_next(&iter);
-       dbus_message_iter_recurse(&iter, &value);
-
-       if (__connman_security_check_privileges(msg) < 0)
-               return __connman_error_permission_denied(msg);
-
-       if (g_str_equal(name, "Powered") == TRUE) {
-               dbus_bool_t powered;
-
-               dbus_message_iter_get_basic(&value, &powered);
-
-               if (powered == TRUE)
-                       do_enable(conn, msg, data);
-               else
-                       do_disable(conn, msg, data);
-       } else
-               set_common_property(element, name, &value);
-
-       __connman_element_store(element);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
+struct foreach_data {
+       enum connman_element_type type;
+       element_cb_t callback;
+       gpointer user_data;
+};
 
-static DBusMessage *get_network_properties(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
+static gboolean foreach_callback(GNode *node, gpointer user_data)
 {
-       struct connman_element *element = data;
-       DBusMessage *reply;
-       DBusMessageIter array, dict;
-       const char *str;
-
-       DBG("conn %p", conn);
-
-       reply = dbus_message_new_method_return(msg);
-       if (reply == NULL)
-               return NULL;
-
-       dbus_message_iter_init_append(reply, &array);
-
-       dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
-                       DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
-                       DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
-                       DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
+       struct connman_element *element = node->data;
+       struct foreach_data *data = user_data;
 
-       str = policy2string(element->policy);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Policy",
-                                               DBUS_TYPE_STRING, &str);
+       DBG("element %p name %s", element, element->name);
 
-       connman_dbus_dict_append_variant(&dict, "Connected",
-                                       DBUS_TYPE_BOOLEAN, &element->enabled);
+       if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
+               return FALSE;
 
-       add_common_properties(element, &dict);
+       if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
+                                       data->type != element->type)
+               return FALSE;
 
-       dbus_message_iter_close_container(&array, &dict);
+       if (data->callback)
+               data->callback(element, data->user_data);
 
-       return reply;
+       return FALSE;
 }
 
-static DBusMessage *set_network_property(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
+void __connman_element_foreach(struct connman_element *element,
+                               enum connman_element_type type,
+                               element_cb_t callback, gpointer user_data)
 {
-       struct connman_element *element = data;
-       DBusMessageIter iter;
-       DBusMessageIter value;
-       const char *name;
-
-       DBG("conn %p", conn);
-
-       if (dbus_message_iter_init(msg, &iter) == FALSE)
-               return __connman_error_invalid_arguments(msg);
-
-       dbus_message_iter_get_basic(&iter, &name);
-       dbus_message_iter_next(&iter);
-       dbus_message_iter_recurse(&iter, &value);
-
-       if (__connman_security_check_privileges(msg) < 0)
-               return __connman_error_permission_denied(msg);
+       struct foreach_data data = { type, callback, user_data };
+       GNode *node;
 
-       if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
-               const char *str;
+       DBG("");
 
-               dbus_message_iter_get_basic(&value, &str);
-               g_free(element->wifi.passphrase);
-               element->wifi.passphrase = g_strdup(str);
+       if (element != NULL) {
+               node = g_node_find(element_root, G_PRE_ORDER,
+                                               G_TRAVERSE_ALL, element);
+               if (node == NULL)
+                       return;
        } else
-               set_common_property(element, name, &value);
-
-       __connman_element_store(element);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static DBusMessage *get_connection_properties(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessage *reply;
-       DBusMessageIter array, dict;
-
-       DBG("conn %p", conn);
-
-       reply = dbus_message_new_method_return(msg);
-       if (reply == NULL)
-               return NULL;
-
-       dbus_message_iter_init_append(reply, &array);
-
-       dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
-                       DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
-                       DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
-                       DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
-
-       add_common_properties(element, &dict);
-
-       dbus_message_iter_close_container(&array, &dict);
-
-       return reply;
-}
-
-static DBusMessage *set_property(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessageIter iter;
-       DBusMessageIter value;
-       const char *name;
-
-       DBG("conn %p", conn);
-
-       if (dbus_message_iter_init(msg, &iter) == FALSE)
-               return __connman_error_invalid_arguments(msg);
-
-       dbus_message_iter_get_basic(&iter, &name);
-       dbus_message_iter_next(&iter);
-       dbus_message_iter_recurse(&iter, &value);
-
-       if (__connman_security_check_privileges(msg) < 0)
-               return __connman_error_permission_denied(msg);
-
-       set_common_property(element, name, &value);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static DBusMessage *clear_property(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       const char *name;
-       GSList *list;
-
-       DBG("conn %p", conn);
-
-       if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
-                                               DBUS_TYPE_INVALID) == FALSE)
-               return __connman_error_invalid_arguments(msg);
-
-       if (__connman_security_check_privileges(msg) < 0)
-               return __connman_error_permission_denied(msg);
-
-       __connman_element_lock(element);
-
-       for (list = element->properties; list; list = list->next) {
-               struct connman_property *property = list->data;
-
-               if (g_str_equal(property->name, name) == FALSE)
-                       continue;
-
-               if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
-                       continue;
-
-               if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
-                       continue;
-
-               property->flags |= CONNMAN_PROPERTY_FLAG_REFERENCE;
-
-               if (property->type == DBUS_TYPE_STRING)
-                       g_free(property->value);
-
-               property->value = NULL;
-       }
-
-       __connman_element_unlock(element);
+               node = element_root;
 
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+       g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+                                               foreach_callback, &data);
 }
 
-static GDBusMethodTable element_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_properties },
-       { "SetProperty",   "sv", "",      set_property   },
-       { "ClearProperty", "s",  "",      clear_property },
-       { "Update",        "",   "",      do_update      },
-       { "Enable",        "",   "",      do_enable      },
-       { "Disable",       "",   "",      do_disable     },
-       { },
-};
-
-static GDBusSignalTable element_signals[] = {
-       { "PropertyChanged", "sv" },
-       { },
-};
-
-static GDBusMethodTable device_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_device_properties },
-       { "SetProperty",   "sv", "",      set_device_property   },
-       { },
-};
-
-static GDBusMethodTable network_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_network_properties },
-       { "SetProperty",   "sv", "",      set_network_property   },
-       { "Connect",       "",   "",      do_enable              },
-       { "Disconnect",    "",   "",      do_disable             },
-       { },
-};
-
-static GDBusMethodTable connection_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_connection_properties },
-       { },
-};
-
 struct append_filter {
        enum connman_element_type type;
        DBusMessageIter *iter;
@@ -698,23 +346,39 @@ static gboolean append_path(GNode *node, gpointer user_data)
                                        filter->type != element->type)
                return FALSE;
 
+       if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
+                       __connman_device_has_driver(element->device) == FALSE)
+               return FALSE;
+
+       if (filter->type == CONNMAN_ELEMENT_TYPE_NETWORK &&
+                       __connman_network_has_driver(element->network) == FALSE)
+               return FALSE;
+
        dbus_message_iter_append_basic(filter->iter,
                                DBUS_TYPE_OBJECT_PATH, &element->path);
 
        return FALSE;
 }
 
-void __connman_element_list(enum connman_element_type type,
-                                               DBusMessageIter *iter)
+void __connman_element_list(struct connman_element *element,
+                                       enum connman_element_type type,
+                                                       DBusMessageIter *iter)
 {
        struct append_filter filter = { type, iter };
+       GNode *node;
 
        DBG("");
 
-       g_static_rw_lock_reader_lock(&element_lock);
-       g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
-                                                       append_path, &filter);
-       g_static_rw_lock_reader_unlock(&element_lock);
+       if (element != NULL) {
+               node = g_node_find(element_root, G_PRE_ORDER,
+                                               G_TRAVERSE_ALL, element);
+               if (node == NULL)
+                       return;
+       } else
+               node = element_root;
+
+       g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+                                               append_path, &filter);
 }
 
 struct count_data {
@@ -741,16 +405,24 @@ static gboolean count_element(GNode *node, gpointer user_data)
        return FALSE;
 }
 
-int __connman_element_count(enum connman_element_type type)
+int __connman_element_count(struct connman_element *element,
+                                       enum connman_element_type type)
 {
        struct count_data data = { type, 0 };
+       GNode *node;
 
        DBG("");
 
-       g_static_rw_lock_reader_lock(&element_lock);
-       g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
-                                                       count_element, &data);
-       g_static_rw_lock_reader_unlock(&element_lock);
+       if (element != NULL) {
+               node = g_node_find(element_root, G_PRE_ORDER,
+                                               G_TRAVERSE_ALL, element);
+               if (node == NULL)
+                       return 0;
+       } else
+               node = element_root;
+
+       g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+                                               count_element, &data);
 
        return data.count;
 }
@@ -769,12 +441,8 @@ static gboolean match_driver(struct connman_element *element,
        if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
                return FALSE;
 
-       if (element->type != driver->type &&
-                       driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
-               return FALSE;
-
-       if (element->subtype == driver->subtype ||
-                       driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
+       if (element->type == driver->type ||
+                       driver->type == CONNMAN_ELEMENT_TYPE_UNKNOWN)
                return TRUE;
 
        return FALSE;
@@ -806,13 +474,9 @@ void __connman_driver_rescan(struct connman_driver *driver)
        if (!driver->probe)
                return;
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        if (element_root != NULL)
                g_node_traverse(element_root, G_PRE_ORDER,
                                G_TRAVERSE_ALL, -1, probe_driver, driver);
-
-       g_static_rw_lock_writer_unlock(&element_lock);
 }
 
 /**
@@ -833,17 +497,16 @@ int connman_driver_register(struct connman_driver *driver)
        if (!driver->probe)
                return -EINVAL;
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        driver_list = g_slist_insert_sorted(driver_list, driver,
                                                        compare_priority);
 
+       if (started == FALSE)
+               return 0;
+
        if (element_root != NULL)
                g_node_traverse(element_root, G_PRE_ORDER,
                                G_TRAVERSE_ALL, -1, probe_driver, driver);
 
-       g_static_rw_lock_writer_unlock(&element_lock);
-
        return 0;
 }
 
@@ -876,15 +539,11 @@ void connman_driver_unregister(struct connman_driver *driver)
 {
        DBG("driver %p name %s", driver, driver->name);
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        driver_list = g_slist_remove(driver_list, driver);
 
        if (element_root != NULL)
                g_node_traverse(element_root, G_POST_ORDER,
                                G_TRAVERSE_ALL, -1, remove_driver, driver);
-
-       g_static_rw_lock_writer_unlock(&element_lock);
 }
 
 /**
@@ -910,9 +569,6 @@ struct connman_element *connman_element_create(const char *name)
 
        element->name    = g_strdup(name);
        element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
-       element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
-       element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
-       element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
        element->index   = -1;
        element->enabled = FALSE;
 
@@ -960,6 +616,8 @@ void connman_element_unref(struct connman_element *element)
                                g_atomic_int_get(&element->refcount) - 1);
 
        if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
+               if (element->destruct)
+                       element->destruct(element);
                free_properties(element);
                g_free(element->ipv4.address);
                g_free(element->ipv4.netmask);
@@ -967,6 +625,7 @@ void connman_element_unref(struct connman_element *element)
                g_free(element->ipv4.network);
                g_free(element->ipv4.broadcast);
                g_free(element->ipv4.nameserver);
+               g_free(element->devname);
                g_free(element->path);
                g_free(element->name);
                g_free(element);
@@ -980,8 +639,7 @@ int connman_element_add_static_property(struct connman_element *element,
 
        DBG("element %p name %s", element, element->name);
 
-       if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE &&
-                                               type != DBUS_TYPE_INT32)
+       if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
                return -EINVAL;
 
        property = g_try_new0(struct connman_property, 1);
@@ -1004,11 +662,6 @@ int connman_element_add_static_property(struct connman_element *element,
                if (property->value != NULL)
                        memcpy(property->value, value, 1);
                break;
-       case DBUS_TYPE_INT32:
-               property->value = g_try_malloc(sizeof(gint32));
-               if (property->value != NULL)
-                       memcpy(property->value, value, sizeof(gint32));
-               break;
        }
 
        __connman_element_lock(element);
@@ -1018,6 +671,47 @@ int connman_element_add_static_property(struct connman_element *element,
        return 0;
 }
 
+int connman_element_set_static_property(struct connman_element *element,
+                               const char *name, int type, const void *value)
+{
+       GSList *list;
+
+       DBG("element %p name %s", element, element->name);
+
+       if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
+               return -EINVAL;
+
+       __connman_element_lock(element);
+
+       for (list = element->properties; list; list = list->next) {
+               struct connman_property *property = list->data;
+
+               if (g_str_equal(property->name, name) == FALSE)
+                       continue;
+
+               if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
+                       continue;
+
+               property->type = type;
+               g_free(property->value);
+
+               switch (type) {
+               case DBUS_TYPE_STRING:
+                       property->value = g_strdup(*((const char **) value));
+                       break;
+               case DBUS_TYPE_BYTE:
+                       property->value = g_try_malloc(1);
+                       if (property->value != NULL)
+                               memcpy(property->value, value, 1);
+                       break;
+               }
+       }
+
+       __connman_element_unlock(element);
+
+       return 0;
+}
+
 int connman_element_add_static_array_property(struct connman_element *element,
                        const char *name, int type, const void *value, int len)
 {
@@ -1236,33 +930,22 @@ int connman_element_set_property(struct connman_element *element,
                element->ipv4.gateway = g_strdup(*((const char **) value));
                __connman_element_unlock(element);
                break;
-       case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
-               __connman_element_lock(element);
-               g_free(element->ipv4.nameserver);
-               element->ipv4.nameserver = g_strdup(*((const char **) value));
-               __connman_element_unlock(element);
-               break;
-       case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
+       case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
                __connman_element_lock(element);
-               g_free(element->wifi.security);
-               element->wifi.security = g_strdup(*((const char **) value));
+               g_free(element->ipv4.broadcast);
+               element->ipv4.broadcast = g_strdup(*((const char **) value));
                __connman_element_unlock(element);
                break;
-       case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
+       case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
                __connman_element_lock(element);
-               g_free(element->wifi.passphrase);
-               element->wifi.passphrase = g_strdup(*((const char **) value));
+               g_free(element->ipv4.nameserver);
+               element->ipv4.nameserver = g_strdup(*((const char **) value));
                __connman_element_unlock(element);
                break;
        default:
                return -EINVAL;
        }
 
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
-
        return 0;
 }
 
@@ -1273,6 +956,14 @@ int connman_element_get_value(struct connman_element *element,
                return -EINVAL;
 
        switch (id) {
+       case CONNMAN_PROPERTY_ID_IPV4_METHOD:
+               if (element->ipv4.method == CONNMAN_IPV4_METHOD_UNKNOWN)
+                       return connman_element_get_value(element->parent,
+                                                               id, value);
+               __connman_element_lock(element);
+               *((const char **) value) = __connman_ipv4_method2string(element->ipv4.method);
+               __connman_element_unlock(element);
+               break;
        case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
                if (element->ipv4.address == NULL)
                        return connman_element_get_value(element->parent,
@@ -1297,28 +988,20 @@ int connman_element_get_value(struct connman_element *element,
                *((char **) value) = element->ipv4.gateway;
                __connman_element_unlock(element);
                break;
-       case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
-               if (element->ipv4.nameserver == NULL)
+       case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
+               if (element->ipv4.broadcast == NULL)
                        return connman_element_get_value(element->parent,
                                                                id, value);
                __connman_element_lock(element);
-               *((char **) value) = element->ipv4.nameserver;
+               *((char **) value) = element->ipv4.broadcast;
                __connman_element_unlock(element);
                break;
-       case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
-               if (element->wifi.security == NULL)
-                       return connman_element_get_value(element->parent,
-                                                               id, value);
-               __connman_element_lock(element);
-               *((char **) value) = element->wifi.security;
-               __connman_element_unlock(element);
-               break;
-       case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
-               if (element->wifi.passphrase == NULL)
+       case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
+               if (element->ipv4.nameserver == NULL)
                        return connman_element_get_value(element->parent,
                                                                id, value);
                __connman_element_lock(element);
-               *((char **) value) = element->wifi.passphrase;
+               *((char **) value) = element->ipv4.nameserver;
                __connman_element_unlock(element);
                break;
        default:
@@ -1348,21 +1031,23 @@ gboolean connman_element_get_static_property(struct connman_element *element,
                        switch (property->type) {
                        case DBUS_TYPE_STRING:
                                *((char **) value) = property->value;
+                               found = TRUE;
                                break;
                        case DBUS_TYPE_BYTE:
-                               *((guint8 *) value) = *((guint8 *) property->value);
-                               break;
-                       case DBUS_TYPE_INT32:
-                               *((gint32 *) value) = *((gint32 *) property->value);
+                               memcpy(value, property->value, 1);
+                               found = TRUE;
                                break;
                        }
-                       found = TRUE;
                        break;
                }
        }
 
        __connman_element_unlock(element);
 
+       if (found == FALSE && element->parent != NULL)
+               return connman_element_get_static_property(element->parent,
+                                                               name, value);
+
        return found;
 }
 
@@ -1427,46 +1112,6 @@ gboolean connman_element_match_static_property(struct connman_element *element,
        return result;
 }
 
-static void append_devices(DBusMessageIter *entry)
-{
-       DBusMessageIter value, iter;
-       const char *key = "Devices";
-
-       dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
-
-       dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
-               DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
-                                                               &value);
-
-       dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
-                               DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
-
-       //__connman_element_list(CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
-
-       dbus_message_iter_close_container(&value, &iter);
-
-       dbus_message_iter_close_container(entry, &value);
-}
-
-static void emit_devices_signal(DBusConnection *conn)
-{
-       DBusMessage *signal;
-       DBusMessageIter entry;
-
-       DBG("conn %p", conn);
-
-       signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
-       if (signal == NULL)
-               return;
-
-       dbus_message_iter_init_append(signal, &entry);
-
-       append_devices(&entry);
-
-       g_dbus_send_message(conn, signal);
-}
-
 static void append_connections(DBusMessageIter *entry)
 {
        DBusMessageIter value, iter;
@@ -1480,9 +1125,7 @@ static void append_connections(DBusMessageIter *entry)
 
        dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
                                DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
-
-       //__connman_element_list(CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
-
+       __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
        dbus_message_iter_close_container(&value, &iter);
 
        dbus_message_iter_close_container(entry, &value);
@@ -1516,9 +1159,7 @@ static void append_state(DBusMessageIter *entry, const char *state)
 
        dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
                                        DBUS_TYPE_STRING_AS_STRING, &value);
-
        dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
-
        dbus_message_iter_close_container(entry, &value);
 }
 
@@ -1541,24 +1182,41 @@ static void emit_state_change(DBusConnection *conn, const char *state)
        g_dbus_send_message(conn, signal);
 }
 
+static void probe_element(struct connman_element *element)
+{
+       GSList *list;
+
+       DBG("element %p name %s", element, element->name);
+
+       for (list = driver_list; list; list = list->next) {
+               struct connman_driver *driver = list->data;
+
+               if (match_driver(element, driver) == FALSE)
+                       continue;
+
+               DBG("driver %p name %s", driver, driver->name);
+
+               if (driver->probe(element) == 0) {
+                       __connman_element_lock(element);
+                       element->driver = driver;
+                       __connman_element_unlock(element);
+                       break;
+               }
+       }
+}
+
 static void register_element(gpointer data, gpointer user_data)
 {
        struct connman_element *element = data;
        const gchar *basepath;
-       GSList *list;
        GNode *node;
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        __connman_element_lock(element);
 
        if (element->parent) {
                node = g_node_find(element_root, G_PRE_ORDER,
                                        G_TRAVERSE_ALL, element->parent);
                basepath = element->parent->path;
-
-               if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
-                       element->subtype = element->parent->subtype;
        } else {
                element->parent = element_root->data;
 
@@ -1574,78 +1232,19 @@ static void register_element(gpointer data, gpointer user_data)
 
        DBG("element %p path %s", element, element->path);
 
-       __connman_element_load(element);
-
        g_node_append_data(node, element);
 
-       if (g_dbus_register_interface(connection, element->path,
-                                       CONNMAN_ELEMENT_INTERFACE,
-                                       element_methods, element_signals,
-                                       NULL, element, NULL) == FALSE)
-               connman_error("Failed to register %s element", element->path);
-
-       if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
-                       element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
-               if (g_dbus_register_interface(connection, element->path,
-                                       CONNMAN_DEVICE_INTERFACE,
-                                       device_methods, element_signals,
-                                       NULL, element, NULL) == FALSE)
-                       connman_error("Failed to register %s device",
-                                                               element->path);
-               else
-                       emit_devices_signal(connection);
-       }
-
-       if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
-               if (g_dbus_register_interface(connection, element->path,
-                                       CONNMAN_NETWORK_INTERFACE,
-                                       network_methods, element_signals,
-                                       NULL, element, NULL) == FALSE)
-                       connman_error("Failed to register %s network",
-                                                               element->path);
-       }
-
        if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
-               if (g_dbus_register_interface(connection, element->path,
-                                       CONNMAN_CONNECTION_INTERFACE,
-                                       connection_methods, element_signals,
-                                       NULL, element, NULL) == FALSE)
-                       connman_error("Failed to register %s connection",
-                                                               element->path);
-               else {
-                       emit_connections_signal(connection);
-                       emit_state_change(connection, "online");
-               }
+               emit_connections_signal(connection);
+               emit_state_change(connection, "online");
        }
 
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementAdded",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
-
-       g_static_rw_lock_writer_unlock(&element_lock);
-
-       __connman_element_store(element);
-
-       g_static_rw_lock_writer_lock(&element_lock);
-
-       for (list = driver_list; list; list = list->next) {
-               struct connman_driver *driver = list->data;
+       emit_element_signal(connection, "ElementAdded", element);
 
-               if (match_driver(element, driver) == FALSE)
-                       continue;
-
-               DBG("driver %p name %s", driver, driver->name);
-
-               if (driver->probe(element) == 0) {
-                       __connman_element_lock(element);
-                       element->driver = driver;
-                       __connman_element_unlock(element);
-                       break;
-               }
-       }
+       if (started == FALSE)
+               return;
 
-       g_static_rw_lock_writer_unlock(&element_lock);
+       probe_element(element);
 }
 
 /**
@@ -1663,10 +1262,14 @@ int connman_element_register(struct connman_element *element,
 {
        DBG("element %p name %s parent %p", element, element->name, parent);
 
+       if (element->devname == NULL)
+               element->devname = g_strdup(element->name);
+
        if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
                if (g_pattern_match_simple(device_filter,
-                                               element->name) == FALSE) {
-                       DBG("ignoring %s device", element->name);
+                                               element->devname) == FALSE) {
+                       DBG("ignoring %s [%s] device", element->name,
+                                                       element->devname);
                        return -EPERM;
                }
        }
@@ -1684,6 +1287,9 @@ int connman_element_register(struct connman_element *element,
                }
        }
 
+       if (element->type == CONNMAN_ELEMENT_TYPE_DHCP)
+               element->ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
+
        element->parent = parent;
 
        __connman_element_unlock(element);
@@ -1703,6 +1309,9 @@ static gboolean remove_element(GNode *node, gpointer user_data)
        if (element == root)
                return FALSE;
 
+       if (node != NULL)
+               g_node_unlink(node);
+
        if (element->driver) {
                if (element->driver->remove)
                        element->driver->remove(element);
@@ -1712,92 +1321,47 @@ static gboolean remove_element(GNode *node, gpointer user_data)
                __connman_element_unlock(element);
        }
 
-       if (node != NULL) {
-               g_node_unlink(node);
+       if (node != NULL)
                g_node_destroy(node);
-       }
-
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
 
        if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
-               emit_state_change(connection, "offline");
+               if (__connman_element_count(NULL,
+                                       CONNMAN_ELEMENT_TYPE_CONNECTION) == 0)
+                       emit_state_change(connection, "offline");
                emit_connections_signal(connection);
-
-               g_dbus_unregister_interface(connection, element->path,
-                                               CONNMAN_CONNECTION_INTERFACE);
-       }
-
-       if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK)
-               g_dbus_unregister_interface(connection, element->path,
-                                               CONNMAN_NETWORK_INTERFACE);
-
-       if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
-                       element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
-               emit_devices_signal(connection);
-
-               g_dbus_unregister_interface(connection, element->path,
-                                               CONNMAN_DEVICE_INTERFACE);
        }
 
-       g_dbus_unregister_interface(connection, element->path,
-                                               CONNMAN_ELEMENT_INTERFACE);
+       emit_element_signal(connection, "ElementRemoved", element);
 
        connman_element_unref(element);
 
        return FALSE;
 }
 
-static void unregister_element(gpointer data, gpointer user_data)
+void connman_element_unregister(struct connman_element *element)
 {
-       struct connman_element *element = data;
        GNode *node;
 
        DBG("element %p name %s", element, element->name);
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
 
        if (node != NULL)
                g_node_traverse(node, G_POST_ORDER,
                                G_TRAVERSE_ALL, -1, remove_element, NULL);
-
-       g_static_rw_lock_writer_unlock(&element_lock);
-}
-
-void connman_element_unregister(struct connman_element *element)
-{
-       DBG("element %p name %s", element, element->name);
-
-       unregister_element(element, NULL);
 }
 
-static void unregister_children(gpointer data, gpointer user_data)
+void connman_element_unregister_children(struct connman_element *element)
 {
-       struct connman_element *element = data;
        GNode *node;
 
        DBG("element %p name %s", element, element->name);
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
 
        if (node != NULL)
                g_node_traverse(node, G_POST_ORDER,
                                G_TRAVERSE_ALL, -1, remove_element, element);
-
-       g_static_rw_lock_writer_unlock(&element_lock);
-}
-
-void connman_element_unregister_children(struct connman_element *element)
-{
-       DBG("element %p name %s", element, element->name);
-
-       unregister_children(element, NULL);
 }
 
 static gboolean update_element(GNode *node, gpointer user_data)
@@ -1809,10 +1373,7 @@ static gboolean update_element(GNode *node, gpointer user_data)
        if (element->driver && element->driver->update)
                element->driver->update(element);
 
-       g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
-                               CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
-                               DBUS_TYPE_OBJECT_PATH, &element->path,
-                                                       DBUS_TYPE_INVALID);
+       emit_element_signal(connection, "ElementUpdated", element);
 
        return FALSE;
 }
@@ -1823,15 +1384,11 @@ void connman_element_update(struct connman_element *element)
 
        DBG("element %p name %s", element, element->name);
 
-       g_static_rw_lock_reader_lock(&element_lock);
-
        node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
 
        if (node != NULL)
                g_node_traverse(node, G_PRE_ORDER,
-                               G_TRAVERSE_ALL, -1, update_element, NULL);
-
-       g_static_rw_lock_reader_unlock(&element_lock);
+                               G_TRAVERSE_ALL, -1, update_element, element);
 }
 
 int connman_element_set_enabled(struct connman_element *element,
@@ -1842,8 +1399,6 @@ int connman_element_set_enabled(struct connman_element *element,
 
        element->enabled = enabled;
 
-       connman_element_update(element);
-
        return 0;
 }
 
@@ -1859,8 +1414,6 @@ int __connman_element_init(DBusConnection *conn, const char *device)
 
        device_filter = g_strdup(device);
 
-       g_static_rw_lock_writer_lock(&element_lock);
-
        element = connman_element_create("root");
 
        element->path = g_strdup("/");
@@ -1870,13 +1423,54 @@ int __connman_element_init(DBusConnection *conn, const char *device)
 
        element_root = g_node_new(element);
 
-       g_static_rw_lock_writer_unlock(&element_lock);
-
+       __connman_network_init();
        __connman_device_init();
 
        return 0;
 }
 
+static gboolean probe_node(GNode *node, gpointer data)
+{
+       struct connman_element *element = node->data;
+
+       DBG("element %p name %s", element, element->name);
+
+       if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
+               return FALSE;
+
+       if (element->driver)
+               return FALSE;
+
+       probe_element(element);
+
+       return FALSE;
+}
+
+void __connman_element_start(void)
+{
+       DBG("");
+
+       g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+                                                       probe_node, NULL);
+
+       started = TRUE;
+
+       __connman_storage_init_device();
+
+       __connman_connection_init();
+       __connman_ipv4_init();
+       __connman_detect_init();
+}
+
+void __connman_element_stop(void)
+{
+       DBG("");
+
+       __connman_detect_cleanup();
+       __connman_ipv4_cleanup();
+       __connman_connection_cleanup();
+}
+
 static gboolean free_driver(GNode *node, gpointer data)
 {
        struct connman_element *element = node->data;
@@ -1902,7 +1496,7 @@ static gboolean free_node(GNode *node, gpointer data)
        DBG("element %p name %s", element, element->name);
 
        if (g_node_depth(node) > 1)
-               unregister_element(element, NULL);
+               connman_element_unregister(element);
 
        return FALSE;
 }
@@ -1912,21 +1506,16 @@ void __connman_element_cleanup(void)
        DBG("");
 
        __connman_device_cleanup();
+       __connman_network_cleanup();
 
-       g_static_rw_lock_writer_lock(&element_lock);
        g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
                                                        free_driver, NULL);
-       g_static_rw_lock_writer_unlock(&element_lock);
 
-       g_static_rw_lock_writer_lock(&element_lock);
        g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
                                                        free_node, NULL);
-       g_static_rw_lock_writer_unlock(&element_lock);
 
-       g_static_rw_lock_writer_lock(&element_lock);
        g_node_destroy(element_root);
        element_root = NULL;
-       g_static_rw_lock_writer_unlock(&element_lock);
 
        g_free(device_filter);