anchor.diff:  }
   hetima.HetiHttpServer _server = null;
   
  -void test() {
  +void startLocalIp() {
  +  (new hetimacl.HetiSocketBuilderChrome()).getNetworkInterfaces().then((List<hetima.HetiNetworkInterface> l) {
  +    // search 24
  +    for(hetima.HetiNetworkInterface i in l) {
  +      if(i.prefixLength == 24 && !i.address.startsWith("127")) {
  +        m.localIP = i.address;
  +        return;
  +      }
  +    }
  +    //
  +    for(hetima.HetiNetworkInterface i in l) {
  +      if(i.prefixLength == 64) {
  +        m.localIP = i.address;
  +        return;
  +      }
  +    }
  +  });
     html.FileSystem s;
   
   }
  
positive.code:       if (!fileList.containsKey(path)) {
          req.socket.close();
        } else {
          response(req.socket, fileList[path]);
        }
      });
    });
  }
  
  void response(hetima.HetiSocket socket, mainview.FileSelectResult f) {
    hetima.ArrayBuilder response = new hetima.ArrayBuilder();
    int index = 0;
    int size = 1024;
  
negative.code:   m.onChangeMainButtonState.listen((bool isDown) {
      if (isDown) {
        startServer();
        startLocalIp();
      } else {
        stopServer();
      }
  