Trace       func(msg string) // Trace when starting.
}

// ForWebsocket returns TCPOptions valid for websocket net.Conn
func (t TCPOptions) ForWebsocket() TCPOptions {
	return TCPOptions{
		UserTimeout: t.UserTimeout,
		Interface:   t.Interface,
		SendBufSize: t.SendBufSize,
		RecvBufSize: t.RecvBufSize,
	}
}

// newHTTPListener - creates new httpListener object which is interface compatible to net.Listener.

			// affect clients reading data with a very slow pace  (disappropriate with socket buffer sizes)
			if opts.UserTimeout > 0 {
				_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT, opts.UserTimeout)
			}

			if opts.Interface != "" {
				if h, _, err := net.SplitHostPort(address); err == nil {
					address = h
				}

	// Initialize, see which NIC the service is running on, and save it as global value
	setGlobalInternodeInterface(ctxt.Interface)

	globalTCPOptions = xhttp.TCPOptions{
		UserTimeout: int(ctxt.UserTimeout.Milliseconds()),
		// FIXME: Bring this back when we have valid way to handle deadlines
		//		DriveOPTimeout: globalDriveConfig.GetOPTimeout,
		Interface:   ctxt.Interface,
		SendBufSize: ctxt.SendBufSize,

	ctxt.FTP = ctx.StringSlice("ftp")
	ctxt.SFTP = ctx.StringSlice("sftp")
	ctxt.Interface = ctx.String("interface")
	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")
	ctxt.SendBufSize = ctx.Int("send-buf-size")
	ctxt.RecvBufSize = ctx.Int("recv-buf-size")
	ctxt.IdleTimeout = ctx.Duration("idle-timeout")
	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")
	ctxt.ShutdownTimeout = ctx.Duration("shutdown-timeout")

	ConfigDir, CertsDir       string
	configDirSet, certsDirSet bool
	Interface                 string

	RootUser, RootPwd string

	FTP  []string
	SFTP []string

	MemLimit uint64

	UserTimeout         time.Duration
	ShutdownTimeout     time.Duration
	IdleTimeout         time.Duration
	ReadHeaderTimeout   time.Duration
	MaxIdleConnsPerHost int

	SendBufSize, RecvBufSize int