code: function parse(resource) {
    if (typeof resource === 'object') return resource;
  
    var config = url.parse(resource);
  
    return {
      port: config.port,
      device: config.auth,
      gateway: config.hostname
    };
  }
docs: Parse bus configuration from connection string with following format
  
  hdl://device@gateway[:port]
  
  @param  {String|Object} resource - connection string or configutaion
  @return {Object} - bus connection configuration