Method routerHandleRouteUpdate

core/router.go:300–324

packet handlers

(node state.NodeId, update *protocol.Ny_Update)

// packet handlers
func (n *Nylon) routerHandleRouteUpdate(node state.NodeId, update *protocol.Ny_Update) error {
	prefix := netip.Prefix{}
	err := prefix.UnmarshalBinary(update.Prefix)
	if err != nil {
		n.router.log.Warn("received update with invalid prefix", "prefix", update.Prefix, "err", err)
		return nil
	}
	if !n.checkNeigh(node) ||
		!n.checkPrefix(prefix) ||
		!n.checkNode(state.NodeId(update.RouterId)) {
		return nil
	}
	HandleNeighbourUpdate(n.RouterState, n, node, state.PubRoute{
		Source: state.Source{
			NodeId: state.NodeId(update.RouterId),
			Prefix: prefix,
		},
		FD: state.FD{
			Seqno:  uint16(update.Seqno),
			Metric: update.Metric,
		},
	})
	ComputeRoutes(n.RouterState, n)
	return nil
}

func (n *Nylon) routerHandleAckRetract(neigh state.NodeId, update *protocol.Ny_AckRetract) error {
	prefix := netip.Prefix{}