code: function (route) {
    if (!route) {
      return null;
    }
    let ts = route.split('.');
    if (ts.length !== 3) {
      return null;
    }
  
    return {
      route: route,
      serverType: ts[0],
      handler: ts[1],
      method: ts[2]
    };
  }
docs: Parse route string.
  
  @param  {String} route route string, such as: serverName.handlerName.methodName
  @return {Object}       parse result object or null for illeagle route string