+static void strength_changed(struct connman_service *service)
+{
+ DBusMessage *signal;
+ DBusMessageIter entry, value;
+ const char *key = "Strength";
+
+ if (service->path == NULL)
+ return;
+
+ if (service->strength == 0)
+ return;
+
+ signal = dbus_message_new_signal(service->path,
+ CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
+ 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_STRING_AS_STRING, &value);
+ dbus_message_iter_append_basic(&value, DBUS_TYPE_BYTE,
+ &service->strength);
+ dbus_message_iter_close_container(&entry, &value);
+
+ g_dbus_send_message(connection, signal);
+}
+