Function NetmapFromMapResponseForDebug

control/controlclient/direct.go:1406–1427

NetmapFromMapResponseForDebug returns a NetworkMap from the given MapResponse. It is intended for debugging only.

(ctx context.Context, pr persist.PersistView, resp *tailcfg.MapResponse)

// NetmapFromMapResponseForDebug returns a NetworkMap from the given MapResponse.
// It is intended for debugging only.
func NetmapFromMapResponseForDebug(ctx context.Context, pr persist.PersistView, resp *tailcfg.MapResponse) (*netmap.NetworkMap, error) {
	if resp == nil {
		return nil, errors.New("nil MapResponse")
	}
	if resp.Node == nil {
		return nil, errors.New("MapResponse lacks Node")
	}
	if !pr.Valid() {
		return nil, errors.New("PersistView invalid")
	}

	nu := &rememberLastNetmapUpdater{done: make(chan any, 1)}
	sess := newMapSession(pr.PrivateNodeKey(), nu, nil)
	defer sess.Close()

	if err := sess.HandleNonKeepAliveMapResponse(ctx, resp); err != nil {
		return nil, fmt.Errorf("HandleNonKeepAliveMapResponse: %w", err)
	}

	<-nu.done
	return sess.netmap(), nil
}

func (c *Direct) handleDebugMessage(ctx context.Context, debug *tailcfg.Debug) error {
	if code := debug.Exit; code != nil {