Free allocated path value
[connman] / src / element.c
index 895ec92..42e4e87 100644 (file)
@@ -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;
@@ -52,6 +54,8 @@ 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" },
 
@@ -112,8 +116,6 @@ 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";
        }
@@ -150,12 +152,10 @@ const char *__connman_element_policy2string(enum connman_element_policy policy)
        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_AUTO:
+               return "auto";
        case CONNMAN_ELEMENT_POLICY_ASK:
                return "ask";
        }
@@ -165,9 +165,7 @@ const char *__connman_element_policy2string(enum connman_element_policy policy)
 
 enum connman_element_policy __connman_element_string2policy(const char *policy)
 {
-       if (strcasecmp(policy, "off") == 0)
-               return CONNMAN_ELEMENT_POLICY_OFF;
-       else if (strcasecmp(policy, "ignore") == 0)
+       if (strcasecmp(policy, "ignore") == 0)
                return CONNMAN_ELEMENT_POLICY_IGNORE;
        else if (strcasecmp(policy, "auto") == 0)
                return CONNMAN_ELEMENT_POLICY_AUTO;
@@ -334,6 +332,10 @@ static void emit_enabled_signal(DBusConnection *conn,
                iface = CONNMAN_NETWORK_INTERFACE;
                key = "Connected";
                break;
+       case CONNMAN_ELEMENT_TYPE_CONNECTION:
+               iface = CONNMAN_CONNECTION_INTERFACE;
+               key = "Default";
+               break;
        default:
                return;
        }
@@ -349,33 +351,44 @@ static void emit_enabled_signal(DBusConnection *conn,
 
        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)
+static void emit_scanning_signal(DBusConnection *conn,
+                                       struct connman_element *element)
 {
-       struct connman_element *element = data;
+       DBusMessage *signal;
+       DBusMessageIter entry, value;
+       const char *key = "Scanning";
 
        DBG("conn %p", conn);
 
-       if (element->enabled == FALSE)
-               return __connman_error_failed(msg);
+       if (element == NULL)
+               return;
 
-       if (element->driver && element->driver->update) {
-               DBG("Calling update callback");
-               if (element->driver->update(element) < 0)
-                       return __connman_error_failed(msg);
+       if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
+               return;
 
-       }
+       signal = dbus_message_new_signal(element->path,
+                               CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
+       if (signal == NULL)
+               return;
 
-       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+       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->scanning);
+       dbus_message_iter_close_container(&entry, &value);
+
+       g_dbus_send_message(conn, signal);
 }
 
 static DBusMessage *do_enable(DBusConnection *conn,
@@ -424,39 +437,12 @@ static DBusMessage *do_disable(DBusConnection *conn,
        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,
+static DBusMessage *network_get_properties(DBusConnection *conn,
                                        DBusMessage *msg, void *data)
 {
        struct connman_element *element = data;
        DBusMessage *reply;
-       DBusMessageIter array, dict, entry;
-       const char *str;
+       DBusMessageIter array, dict;
 
        DBG("conn %p", conn);
 
@@ -471,25 +457,18 @@ static DBusMessage *device_get_properties(DBusConnection *conn,
                        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);
+       if (element->parent)
+               connman_dbus_dict_append_variant(&dict, "Device",
+                               DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 
-       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);
 
-       connman_dbus_dict_append_variant(&dict, "Powered",
+       connman_dbus_dict_append_variant(&dict, "Connected",
                                        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);
+       connman_dbus_dict_append_variant(&dict, "Remember",
+                                       DBUS_TYPE_BOOLEAN, &element->remember);
 
        add_common_properties(element, &dict);
 
@@ -498,11 +477,12 @@ static DBusMessage *device_get_properties(DBusConnection *conn,
        return reply;
 }
 
-static DBusMessage *device_set_property(DBusConnection *conn,
+static DBusMessage *network_set_property(DBusConnection *conn,
                                        DBusMessage *msg, void *data)
 {
        struct connman_element *element = data;
-       DBusMessageIter iter, value;
+       DBusMessageIter iter;
+       DBusMessageIter value;
        const char *name;
 
        DBG("conn %p", conn);
@@ -517,15 +497,14 @@ static DBusMessage *device_set_property(DBusConnection *conn,
        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 (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;
 
-               if (powered == TRUE)
-                       do_enable(conn, msg, data);
-               else
-                       do_disable(conn, msg, data);
+               dbus_message_iter_get_basic(&value, &str);
+               g_free(element->wifi.passphrase);
+               element->wifi.passphrase = g_strdup(str);
        } else
                set_common_property(element, name, &value);
 
@@ -534,85 +513,7 @@ static DBusMessage *device_set_property(DBusConnection *conn,
        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);
-}
-
-static DBusMessage *network_get_properties(DBusConnection *conn,
+static DBusMessage *connection_get_properties(DBusConnection *conn,
                                        DBusMessage *msg, void *data)
 {
        struct connman_element *element = data;
@@ -633,20 +534,19 @@ static DBusMessage *network_get_properties(DBusConnection *conn,
                        DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
                        DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 
-       str = __connman_element_policy2string(element->policy);
+       str = subtype2string(element->subtype);
        if (str != NULL)
-               connman_dbus_dict_append_variant(&dict, "Policy",
+               connman_dbus_dict_append_variant(&dict, "Type",
                                                DBUS_TYPE_STRING, &str);
 
-       connman_dbus_dict_append_variant(&dict, "Available",
-                                       DBUS_TYPE_BOOLEAN, &element->available);
+       if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIFI ||
+                       element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIMAX)
+               connman_dbus_dict_append_variant(&dict, "Strength",
+                                       DBUS_TYPE_BYTE, &element->strength);
 
-       connman_dbus_dict_append_variant(&dict, "Connected",
+       connman_dbus_dict_append_variant(&dict, "Default",
                                        DBUS_TYPE_BOOLEAN, &element->enabled);
 
-       connman_dbus_dict_append_variant(&dict, "Remember",
-                                       DBUS_TYPE_BOOLEAN, &element->remember);
-
        add_common_properties(element, &dict);
 
        dbus_message_iter_close_container(&array, &dict);
@@ -654,12 +554,11 @@ static DBusMessage *network_get_properties(DBusConnection *conn,
        return reply;
 }
 
-static DBusMessage *network_set_property(DBusConnection *conn,
+static DBusMessage *connection_set_property(DBusConnection *conn,
                                        DBusMessage *msg, void *data)
 {
        struct connman_element *element = data;
-       DBusMessageIter iter;
-       DBusMessageIter value;
+       DBusMessageIter iter, value;
        const char *name;
 
        DBG("conn %p", conn);
@@ -674,58 +573,20 @@ static DBusMessage *network_set_property(DBusConnection *conn,
        if (__connman_security_check_privileges(msg) < 0)
                return __connman_error_permission_denied(msg);
 
-       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;
+       if (g_str_equal(name, "Default") == TRUE) {
+               dbus_bool_t enabled;
 
-               dbus_message_iter_get_basic(&value, &str);
-               g_free(element->wifi.passphrase);
-               element->wifi.passphrase = g_strdup(str);
-       } else
-               set_common_property(element, name, &value);
+               dbus_message_iter_get_basic(&value, &enabled);
 
-       __connman_element_store(element);
+               if (enabled == TRUE)
+                       return do_enable(conn, msg, element);
+               else
+                       return do_disable(conn, msg, 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 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   },
@@ -735,7 +596,8 @@ static GDBusMethodTable network_methods[] = {
 };
 
 static GDBusMethodTable connection_methods[] = {
-       { "GetProperties", "",   "a{sv}", get_connection_properties },
+       { "GetProperties", "",   "a{sv}", connection_get_properties },
+       { "SetProperty",   "sv", "",      connection_set_property   },
        { },
 };
 
@@ -935,6 +797,9 @@ 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);
@@ -1069,6 +934,8 @@ 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);
@@ -1077,6 +944,7 @@ void connman_element_unref(struct connman_element *element)
                g_free(element->ipv4.broadcast);
                g_free(element->ipv4.nameserver);
                g_free(element->devname);
+               g_free(element->devpath);
                g_free(element->path);
                g_free(element->name);
                g_free(element);
@@ -1122,6 +990,102 @@ 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;
+       case CONNMAN_ELEMENT_TYPE_CONNECTION:
+               iface = CONNMAN_CONNECTION_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)
+{
+       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);
+
+       emit_property_changed(connection, element, name, type, value);
+
+       return 0;
+}
+
 int connman_element_add_static_array_property(struct connman_element *element,
                        const char *name, int type, const void *value, int len)
 {
@@ -1340,6 +1304,12 @@ 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_BROADCAST:
+               __connman_element_lock(element);
+               g_free(element->ipv4.broadcast);
+               element->ipv4.broadcast = 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);
@@ -1396,6 +1366,14 @@ int connman_element_get_value(struct connman_element *element,
                *((char **) value) = element->ipv4.gateway;
                __connman_element_unlock(element);
                break;
+       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.broadcast;
+               __connman_element_unlock(element);
+               break;
        case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
                if (element->ipv4.nameserver == NULL)
                        return connman_element_get_value(element->parent,
@@ -1520,10 +1498,11 @@ gboolean connman_element_match_static_property(struct connman_element *element,
        return result;
 }
 
-static void append_devices(DBusMessageIter *entry)
+static void append_networks(struct connman_element *element,
+                                               DBusMessageIter *entry)
 {
        DBusMessageIter value, iter;
-       const char *key = "Devices";
+       const char *key = "Networks";
 
        dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 
@@ -1533,33 +1512,12 @@ static void append_devices(DBusMessageIter *entry)
 
        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);
-
+       __connman_element_list(element, CONNMAN_ELEMENT_TYPE_NETWORK, &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)
 {
@@ -1596,9 +1554,7 @@ 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(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
-
        dbus_message_iter_close_container(&value, &iter);
 
        dbus_message_iter_close_container(entry, &value);
@@ -1632,9 +1588,7 @@ 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);
 }
 
@@ -1657,11 +1611,49 @@ static void emit_state_change(DBusConnection *conn, const char *state)
        g_dbus_send_message(conn, signal);
 }
 
+static void set_signal_strength(struct connman_element *connection)
+{
+       struct connman_element *element = connection;
+
+       while (element != NULL) {
+               if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
+                       connection->strength = element->strength;
+                       break;
+               }
+
+               element = element->parent;
+       }
+}
+
+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);
+
+                       enable_element(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);
@@ -1692,18 +1684,6 @@ static void register_element(gpointer data, gpointer user_data)
 
        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,
@@ -1723,6 +1703,7 @@ static void register_element(gpointer data, gpointer user_data)
                        connman_error("Failed to register %s connection",
                                                                element->path);
                else {
+                       set_signal_strength(element);
                        emit_connections_signal(connection);
                        emit_state_change(connection, "online");
                }
@@ -1730,23 +1711,10 @@ static void register_element(gpointer data, gpointer user_data)
 
        __connman_element_store(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);
 }
 
 /**
@@ -1767,7 +1735,8 @@ 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) {
+       if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
+                       element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
                if (g_pattern_match_simple(device_filter,
                                                element->devname) == FALSE) {
                        DBG("ignoring %s [%s] device", element->name,
@@ -1808,6 +1777,9 @@ static gboolean remove_element(GNode *node, gpointer user_data)
        if (element == root)
                return FALSE;
 
+       if (node != NULL)
+               g_node_unlink(node);
+
        if (element->driver) {
                disable_element(element);
 
@@ -1819,13 +1791,13 @@ 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,
@@ -1839,14 +1811,6 @@ static gboolean remove_element(GNode *node, gpointer user_data)
                                                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);
-       }
-
        connman_element_unref(element);
 
        return FALSE;
@@ -1881,12 +1845,22 @@ void connman_element_unregister_children(struct connman_element *element)
 static gboolean update_element(GNode *node, gpointer user_data)
 {
        struct connman_element *element = node->data;
+       struct connman_element *root = user_data;
 
        DBG("element %p name %s", element, element->name);
 
        if (element->driver && element->driver->update)
                element->driver->update(element);
 
+       if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION &&
+                               root->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
+               if (element->strength != root->strength) {
+                       element->strength = root->strength;
+                       emit_property_changed(connection, element, "Strength",
+                                       DBUS_TYPE_BYTE, &element->strength);
+               }
+       }
+
        return FALSE;
 }
 
@@ -1900,7 +1874,7 @@ 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,
@@ -1911,7 +1885,20 @@ int connman_element_set_enabled(struct connman_element *element,
 
        element->enabled = enabled;
 
-       connman_element_update(element);
+       emit_enabled_signal(connection, element);
+
+       return 0;
+}
+
+int connman_element_set_scanning(struct connman_element *element,
+                                                       gboolean scanning)
+{
+       if (element->scanning == scanning)
+               return 0;
+
+       element->scanning = scanning;
+
+       emit_scanning_signal(connection, element);
 
        return 0;
 }
@@ -1938,10 +1925,47 @@ int __connman_element_init(DBusConnection *conn, const char *device)
        element_root = g_node_new(element);
 
        __connman_device_init();
+       __connman_network_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_detect_init();
+}
+
+void __connman_element_stop(void)
+{
+       DBG("");
+
+       __connman_detect_cleanup();
+}
+
 static gboolean free_driver(GNode *node, gpointer data)
 {
        struct connman_element *element = node->data;
@@ -1978,6 +2002,7 @@ void __connman_element_cleanup(void)
 {
        DBG("");
 
+       __connman_network_cleanup();
        __connman_device_cleanup();
 
        g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,