'Send a Connection.Close method frame.
:param int reply_code: The reason for the close
:param str reply_text: The text reason for the close'

def _send_connection_close(self, reply_code, reply_text):

    self._rpc(0, spec.Connection.Close(reply_code, reply_text, 0, 0), self._on_connection_close_ok, [spec.Connection.CloseOk])
