Add support for reading config directory from dbus-1.pc
[connman] / src / element.c
index e082229..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
@@ -38,6 +38,8 @@ 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;
@@ -52,14 +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" },
-
        { }
 };
 
@@ -102,6 +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:
@@ -114,63 +114,13 @@ static const char *type2string(enum connman_element_type type)
                return "zeroconf";
        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)
-{
-       switch (type) {
-       case CONNMAN_ELEMENT_SUBTYPE_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";
-       }
-
-       return NULL;
-}
-
-const char *__connman_element_policy2string(enum connman_element_policy policy)
-{
-       switch (policy) {
-       case CONNMAN_ELEMENT_POLICY_UNKNOWN:
-               return "unknown";
-       case CONNMAN_ELEMENT_POLICY_IGNORE:
-               return "ignore";
-       case CONNMAN_ELEMENT_POLICY_AUTO:
-               return "auto";
-       case CONNMAN_ELEMENT_POLICY_ASK:
-               return "ask";
-       }
-
-       return NULL;
-}
-
-enum connman_element_policy __connman_element_string2policy(const char *policy)
-{
-       if (strcasecmp(policy, "ignore") == 0)
-               return CONNMAN_ELEMENT_POLICY_IGNORE;
-       else if (strcasecmp(policy, "auto") == 0)
-               return CONNMAN_ELEMENT_POLICY_AUTO;
-       else if (strcasecmp(policy, "ask") == 0)
-               return CONNMAN_ELEMENT_POLICY_ASK;
-       else
-               return CONNMAN_ELEMENT_POLICY_UNKNOWN;
-}
-
 const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 {
        switch (method) {
@@ -199,6 +149,7 @@ enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
                return CONNMAN_IPV4_METHOD_UNKNOWN;
 }
 
+#if 0
 static void append_property(DBusMessageIter *dict,
                                struct connman_property *property)
 {
@@ -306,436 +257,76 @@ static void set_common_property(struct connman_element *element,
 
        __connman_element_unlock(element);
 }
+#endif
 
-static void emit_enabled_signal(DBusConnection *conn,
+static void emit_element_signal(DBusConnection *conn, const char *member,
                                        struct connman_element *element)
 {
        DBusMessage *signal;
-       DBusMessageIter entry, value;
-       const char *iface, *key;
-
-       DBG("conn %p", conn);
 
-       if (element == NULL)
+       if (__connman_debug_enabled() == FALSE)
                return;
 
-       switch (element->type) {
-       case CONNMAN_ELEMENT_TYPE_DEVICE:
-               iface = CONNMAN_DEVICE_INTERFACE;
-               key = "Powered";
-               break;
-       case CONNMAN_ELEMENT_TYPE_NETWORK:
-               iface = CONNMAN_NETWORK_INTERFACE;
-               key = "Connected";
-               break;
-       default:
+       DBG("conn %p member %s", conn, member);
+
+       if (element == NULL)
                return;
-       }
 
        signal = dbus_message_new_signal(element->path,
-                                               iface, "PropertyChanged");
+                                       CONNMAN_DEBUG_INTERFACE, member);
        if (signal == NULL)
                return;
 
-       dbus_message_iter_init_append(signal, &entry);
-
-       dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
-
-       dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
-                                       DBUS_TYPE_BOOLEAN_AS_STRING, &value);
-       dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
-                                                       &element->enabled);
-       dbus_message_iter_close_container(&entry, &value);
-
        g_dbus_send_message(conn, signal);
 }
 
-static DBusMessage *do_update(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-
-       DBG("conn %p", conn);
-
-       if (element->enabled == FALSE)
-               return __connman_error_failed(msg);
-
-       if (element->driver && element->driver->update) {
-               DBG("Calling update callback");
-               if (element->driver->update(element) < 0)
-                       return __connman_error_failed(msg);
-
-       }
-
-       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 __connman_error_failed(msg);
-
-       if (element->driver && element->driver->enable) {
-               DBG("Calling enable callback");
-               if (element->driver->enable(element) < 0)
-                       return __connman_error_failed(msg);
-       }
-
-       element->enabled = TRUE;
-
-       emit_enabled_signal(connection, element);
-
-       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 __connman_error_failed(msg);
-
-       if (element->driver && element->driver->disable) {
-               DBG("Calling disable callback");
-               if (element->driver->disable(element) < 0)
-                       return __connman_error_failed(msg);
-       }
-
-       element->enabled = FALSE;
-
-       emit_enabled_signal(connection, element);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-}
-
-static void append_networks(struct connman_element *element,
-                                               DBusMessageIter *entry)
-{
-       DBusMessageIter value, iter;
-       const char *key = "Networks";
-
-       if (element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIFI &&
-                       element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIMAX)
-               return;
-
-       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(element, CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
-
-       dbus_message_iter_close_container(&value, &iter);
-
-       dbus_message_iter_close_container(entry, &value);
-}
-
-static DBusMessage *device_get_properties(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessage *reply;
-       DBusMessageIter array, dict, entry;
-       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 = __connman_element_policy2string(element->policy);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Policy",
-                                               DBUS_TYPE_STRING, &str);
-
-       connman_dbus_dict_append_variant(&dict, "Powered",
-                                       DBUS_TYPE_BOOLEAN, &element->enabled);
-
-       dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
-                                                               NULL, &entry);
-
-       append_networks(element, &entry);
-
-       dbus_message_iter_close_container(&dict, &entry);
-
-       add_common_properties(element, &dict);
-
-       dbus_message_iter_close_container(&array, &dict);
-
-       return reply;
-}
-
-static DBusMessage *device_set_property(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       DBusMessageIter iter, 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);
-}
-
-static int parse_network_dict(DBusMessageIter *iter, const char **ssid,
-                               const char **security, const char **passphrase)
-{
-       while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) {
-               DBusMessageIter entry, value;
-               const char *key;
-
-               dbus_message_iter_recurse(iter, &entry);
-               dbus_message_iter_get_basic(&entry, &key);
-
-               dbus_message_iter_next(&entry);
-               dbus_message_iter_recurse(&entry, &value);
-
-               switch (dbus_message_iter_get_arg_type(&value)) {
-               case DBUS_TYPE_STRING:
-                       if (g_str_equal(key, "WiFi.SSID") == TRUE)
-                               dbus_message_iter_get_basic(&value, ssid);
-                       else if (g_str_equal(key, "WiFi.Security") == TRUE)
-                               dbus_message_iter_get_basic(&value, security);
-                       else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
-                               dbus_message_iter_get_basic(&value, passphrase);
-                       break;
-               }
-
-               dbus_message_iter_next(iter);
-       }
-
-       return 0;
-}
-
-static DBusMessage *device_create_network(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       struct connman_element *element = data;
-       struct connman_element *network;
-       DBusMessageIter iter, array;
-       const char *ssid = NULL, *security = NULL, *passphrase = NULL;
-
-       DBG("conn %p", conn);
-
-       if (dbus_message_iter_init(msg, &iter) == FALSE)
-               return __connman_error_invalid_arguments(msg);
-
-       dbus_message_iter_recurse(&iter, &array);
-       parse_network_dict(&array, &ssid, &security, &passphrase);
-       if (ssid == NULL)
-               return __connman_error_invalid_arguments(msg);
-
-       DBG("ssid %s security %s passphrase %s", ssid, security, passphrase);
-
-       network = connman_element_create(ssid);
-
-       network->type = CONNMAN_ELEMENT_TYPE_NETWORK;
-       network->index = element->index;
-
-       network->remember = TRUE;
-
-       connman_element_add_static_property(network, "Name",
-                                               DBUS_TYPE_STRING, &ssid);
-
-       connman_element_add_static_array_property(element, "WiFi.SSID",
-                                       DBUS_TYPE_BYTE, &ssid, strlen(ssid));
-
-       network->wifi.security = g_strdup(security);
-       network->wifi.passphrase = g_strdup(passphrase);
-
-       connman_element_register(network, element);
-
-       return g_dbus_create_reply(msg, DBUS_TYPE_OBJECT_PATH, &network->path,
-                                                       DBUS_TYPE_INVALID);
-}
-
-static DBusMessage *device_remove_network(DBusConnection *conn,
-                                       DBusMessage *msg, void *data)
-{
-       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 *network_get_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);
-
-       str = __connman_element_policy2string(element->policy);
-       if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Policy",
-                                               DBUS_TYPE_STRING, &str);
-
-       connman_dbus_dict_append_variant(&dict, "Available",
-                                       DBUS_TYPE_BOOLEAN, &element->available);
+       struct connman_element *element = node->data;
+       struct foreach_data *data = user_data;
 
-       connman_dbus_dict_append_variant(&dict, "Connected",
-                                       DBUS_TYPE_BOOLEAN, &element->enabled);
+       DBG("element %p name %s", element, element->name);
 
-       connman_dbus_dict_append_variant(&dict, "Remember",
-                                       DBUS_TYPE_BOOLEAN, &element->remember);
+       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 *network_set_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, "Remember") == TRUE) {
-               dbus_message_iter_get_basic(&value, &element->remember);
-       } else 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);
+               node = element_root;
 
-       return reply;
+       g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+                                               foreach_callback, &data);
 }
 
-static GDBusMethodTable device_methods[] = {
-       { "GetProperties", "",      "a{sv}", device_get_properties },
-       { "SetProperty",   "sv",    "",      device_set_property   },
-       { "CreateNetwork", "a{sv}", "o",     device_create_network },
-       { "RemoveNetwork", "o",     "",      device_remove_network },
-       { "ProposeScan",   "",      "",      do_update             },
-       { },
-};
-
-static GDBusMethodTable network_methods[] = {
-       { "GetProperties", "",   "a{sv}", network_get_properties },
-       { "SetProperty",   "sv", "",      network_set_property   },
-       { "Connect",       "",   "",      do_enable              },
-       { "Disconnect",    "",   "",      do_disable             },
-       { },
-};
-
-static GDBusMethodTable connection_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_connection_properties },
-       { },
-};
-
-static GDBusSignalTable element_signals[] = {
-       { "PropertyChanged", "sv" },
-       { },
-};
-
 struct append_filter {
        enum connman_element_type type;
        DBusMessageIter *iter;
@@ -756,7 +347,11 @@ static gboolean append_path(GNode *node, gpointer user_data)
                return FALSE;
 
        if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
-                       element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
+                       __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,
@@ -846,33 +441,13 @@ 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;
 }
 
-static void enable_element(struct connman_element *element)
-{
-       if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
-               return;
-
-       if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
-               return;
-
-       if (element->driver && element->driver->enable) {
-               if (element->driver->enable(element) == 0) {
-                       element->enabled = TRUE;
-                       emit_enabled_signal(connection, element);
-               }
-       }
-}
-
 static gboolean probe_driver(GNode *node, gpointer data)
 {
        struct connman_element *element = node->data;
@@ -887,8 +462,6 @@ static gboolean probe_driver(GNode *node, gpointer data)
                __connman_element_lock(element);
                element->driver = driver;
                __connman_element_unlock(element);
-
-               enable_element(element);
        }
 
        return FALSE;
@@ -927,6 +500,9 @@ int connman_driver_register(struct connman_driver *driver)
        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);
@@ -934,22 +510,6 @@ int connman_driver_register(struct connman_driver *driver)
        return 0;
 }
 
-static void disable_element(struct connman_element *element)
-{
-       if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
-               return;
-
-       if (element->enabled == FALSE)
-               return;
-
-       if (element->driver && element->driver->disable) {
-               if (element->driver->disable(element) == 0) {
-                       element->enabled = FALSE;
-                       emit_enabled_signal(connection, element);
-               }
-       }
-}
-
 static gboolean remove_driver(GNode *node, gpointer data)
 {
        struct connman_element *element = node->data;
@@ -958,8 +518,6 @@ static gboolean remove_driver(GNode *node, gpointer data)
        DBG("element %p name %s", element, element->name);
 
        if (element->driver == driver) {
-               disable_element(element);
-
                if (driver->remove)
                        driver->remove(element);
 
@@ -1011,9 +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;
 
@@ -1061,6 +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);
@@ -1114,56 +671,6 @@ int connman_element_add_static_property(struct connman_element *element,
        return 0;
 }
 
-static void emit_property_changed(DBusConnection *conn,
-                               struct connman_element *element,
-                               const char *name, int type, const void *data)
-{
-       DBusMessage *signal;
-       DBusMessageIter entry, value;
-       const char *iface, *sig;
-
-       DBG("conn %p", conn);
-
-       switch (element->type) {
-       case CONNMAN_ELEMENT_TYPE_DEVICE:
-               iface = CONNMAN_DEVICE_INTERFACE;
-               break;
-       case CONNMAN_ELEMENT_TYPE_NETWORK:
-               iface = CONNMAN_NETWORK_INTERFACE;
-               break;
-       default:
-               return;
-       }
-
-       signal = dbus_message_new_signal(element->path,
-                                               iface, "PropertyChanged");
-       if (signal == NULL)
-               return;
-
-       dbus_message_iter_init_append(signal, &entry);
-
-       dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &name);
-
-       switch (type) {
-       case DBUS_TYPE_STRING:
-               sig = DBUS_TYPE_STRING_AS_STRING;
-               break;
-       case DBUS_TYPE_BYTE:
-               sig = DBUS_TYPE_BYTE_AS_STRING;
-               break;
-       default:
-               sig = DBUS_TYPE_VARIANT_AS_STRING;
-               break;
-       }
-
-       dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
-                                                       sig, &value);
-       dbus_message_iter_append_basic(&value, type, data);
-       dbus_message_iter_close_container(&entry, &value);
-
-       g_dbus_send_message(conn, signal);
-}
-
 int connman_element_set_static_property(struct connman_element *element,
                                const char *name, int type, const void *value)
 {
@@ -1202,8 +709,6 @@ int connman_element_set_static_property(struct connman_element *element,
 
        __connman_element_unlock(element);
 
-       emit_property_changed(connection, element, name, type, value);
-
        return 0;
 }
 
@@ -1425,22 +930,16 @@ 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:
@@ -1457,6 +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,
@@ -1481,28 +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:
@@ -1534,6 +1033,10 @@ gboolean connman_element_get_static_property(struct connman_element *element,
                                *((char **) value) = property->value;
                                found = TRUE;
                                break;
+                       case DBUS_TYPE_BYTE:
+                               memcpy(value, property->value, 1);
+                               found = TRUE;
+                               break;
                        }
                        break;
                }
@@ -1541,6 +1044,10 @@ gboolean connman_element_get_static_property(struct connman_element *element,
 
        __connman_element_unlock(element);
 
+       if (found == FALSE && element->parent != NULL)
+               return connman_element_get_static_property(element->parent,
+                                                               name, value);
+
        return found;
 }
 
@@ -1605,67 +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(NULL, 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 emit_networks_signal(DBusConnection *conn,
-                                       struct connman_element *device)
-{
-       DBusMessage *signal;
-       DBusMessageIter entry;
-
-       DBG("conn %p", conn);
-
-       if (device == NULL)
-               return;
-
-       signal = dbus_message_new_signal(device->path,
-                               CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
-       if (signal == NULL)
-               return;
-
-       dbus_message_iter_init_append(signal, &entry);
-
-       append_networks(device, &entry);
-
-       g_dbus_send_message(conn, signal);
-}
-
 static void append_connections(DBusMessageIter *entry)
 {
        DBusMessageIter value, iter;
@@ -1736,11 +1182,33 @@ 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;
 
        __connman_element_lock(element);
@@ -1749,9 +1217,6 @@ static void register_element(gpointer data, gpointer user_data)
                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;
 
@@ -1767,65 +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 (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);
-               else
-                       emit_networks_signal(connection, element->parent);
-       }
-
        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");
        }
 
-       __connman_element_store(element);
+       emit_element_signal(connection, "ElementAdded", element);
 
-       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);
+       if (started == FALSE)
+               return;
 
-                       enable_element(element);
-                       break;
-               }
-       }
+       probe_element(element);
 }
 
 /**
@@ -1846,8 +1265,7 @@ int connman_element_register(struct connman_element *element,
        if (element->devname == NULL)
                element->devname = g_strdup(element->name);
 
-       if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
-                       element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
+       if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
                if (g_pattern_match_simple(device_filter,
                                                element->devname) == FALSE) {
                        DBG("ignoring %s [%s] device", element->name,
@@ -1869,6 +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);
@@ -1888,9 +1309,10 @@ static gboolean remove_element(GNode *node, gpointer user_data)
        if (element == root)
                return FALSE;
 
-       if (element->driver) {
-               disable_element(element);
+       if (node != NULL)
+               g_node_unlink(node);
 
+       if (element->driver) {
                if (element->driver->remove)
                        element->driver->remove(element);
 
@@ -1899,33 +1321,17 @@ 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);
-       }
 
        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) {
-               emit_networks_signal(connection, element->parent);
-
-               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);
-       }
+       emit_element_signal(connection, "ElementRemoved", element);
 
        connman_element_unref(element);
 
@@ -1967,6 +1373,8 @@ static gboolean update_element(GNode *node, gpointer user_data)
        if (element->driver && element->driver->update)
                element->driver->update(element);
 
+       emit_element_signal(connection, "ElementUpdated", element);
+
        return FALSE;
 }
 
@@ -1980,7 +1388,7 @@ void connman_element_update(struct connman_element *element)
 
        if (node != NULL)
                g_node_traverse(node, G_PRE_ORDER,
-                               G_TRAVERSE_ALL, -1, update_element, NULL);
+                               G_TRAVERSE_ALL, -1, update_element, element);
 }
 
 int connman_element_set_enabled(struct connman_element *element,
@@ -1991,8 +1399,6 @@ int connman_element_set_enabled(struct connman_element *element,
 
        element->enabled = enabled;
 
-       emit_enabled_signal(connection, element);
-
        return 0;
 }
 
@@ -2017,11 +1423,54 @@ int __connman_element_init(DBusConnection *conn, const char *device)
 
        element_root = g_node_new(element);
 
+       __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;
@@ -2029,8 +1478,6 @@ static gboolean free_driver(GNode *node, gpointer data)
        DBG("element %p name %s", element, element->name);
 
        if (element->driver) {
-               disable_element(element);
-
                if (element->driver->remove)
                        element->driver->remove(element);
 
@@ -2059,6 +1506,7 @@ void __connman_element_cleanup(void)
        DBG("");
 
        __connman_device_cleanup();
+       __connman_network_cleanup();
 
        g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
                                                        free_driver, NULL);