Invoke the request handler defined by the
        :func:`sanic.app.Sanic.handle_request` method

        :return: None

def execute_request_handler(self):
        """
        Invoke the request handler defined by the
        :func:`sanic.app.Sanic.handle_request` method

        :return: None
        """
        self._response_timeout_handler = self.loop.call_later(
            self.response_timeout, self.response_timeout_callback
        )
        self._last_request_time = time()
        self._request_handler_task = self.loop.create_task(
            self.request_handler(
                self.request, self.write_response, self.stream_response
            )
        )