}

// A Server defines parameters for running an HTTP server.
// The zero value for Server is a valid configuration.
type Server struct {
	// Addr optionally specifies the TCP address for the server to listen on,
	// in the form "host:port". If empty, ":http" (port 80) is used.
	// The service names are defined in RFC 6335 and assigned by IANA.
	// See net.Dial for details of the address format.
	Addr string

    etcd_apiserver_protocol="https"
    etcd_listen_metrics_port="2382"
    etcd_extra_args+=" --listen-metrics-urls=http://${ETCD_LISTEN_CLIENT_IP:-127.0.0.1}:${etcd_listen_metrics_port} "
  fi

  if [[ -n "${ETCD_PROGRESS_NOTIFY_INTERVAL:-}" ]]; then

	if server := os.Getenv("TEST_BENCH_SERVER"); server != "" {
		// Server process mode.
		port := os.Getenv("TEST_BENCH_SERVER_PORT") // can be set by user
		if port == "" {
			port = "0"
		}
		ln, err := net.Listen("tcp", "localhost:"+port)
		if err != nil {
			fmt.Fprintln(os.Stderr, err.Error())
			os.Exit(1)
		}
		fmt.Println(ln.Addr().String())
		HandleFunc("/", func(w ResponseWriter, r *Request) {