// Pass Dialer for websocket grid, make sure we do not
		// provide any DriveOPTimeout() function, as that is not
		// useful over persistent connections.
		Dialer: grid.ConnectWS(
			grid.ContextDialer(xhttp.DialContextWithLookupHost(lookupHost, xhttp.NewInternodeDialContext(rest.DefaultTimeout, globalTCPOptions.ForWebsocket()))),
			newCachedAuthToken(),
			&tls.Config{
				RootCAs:          globalRootCAs,

type ConnDialer func(ctx context.Context, address string) (net.Conn, error)

// ConnectWSWithRoutePath is like ConnectWS but with a custom grid route path.
func ConnectWSWithRoutePath(dial ContextDialer, auth AuthFn, tls *tls.Config, routePath string) func(ctx context.Context, remote string) (net.Conn, error) {
	return func(ctx context.Context, remote string) (net.Conn, error) {

	// Approx 49 days.
	MaxDeadline = time.Duration(math.MaxUint32) * time.Millisecond
)

// ContextDialer is a dialer that can be used to dial a remote.
type ContextDialer func(ctx context.Context, network, address string) (net.Conn, error)

// DialContext implements the Dialer interface.
func (c ContextDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
	return c(ctx, network, address)
}