text: const SHOTDOWN = 'shutdown';
  const ONLINE = 'online';
  const OFFLINE = 'offline';
  const ALREADYLINE = 'alreadyoff';
  const Query = 'query';
  const ErrorMysql = 'errormysql';
  const MysqlOnline = 'mysqlonline';
  const EnqueueMysql = 'EnqueueMysql';
  const TCPconnected = 'tcpconnected';
  const TCPdisconnect  = 'tcpdisconnected';
  
  exports.SHOTDOWN = SHOTDOWN;
  exports.ALREADYLINE = ALREADYLINE;
  exports.ONLINE = ONLINE;
  exports.OFFLINE = OFFLINE;
  exports.Query = Query;
  exports.ErrorMysql = ErrorMysql;
  exports.MysqlOnline = MysqlOnline;
  exports.EnqueueMysql = EnqueueMysql;
  exports.TCPconnected = TCPconnected;
  exports.TCPdisconnect = TCPdisconnect;