nodemap

type Config struct {
	NodeMapMax uint32 `mapstructure:"bpf-node-map-max"`
}

type Map interface {
	// Update inserts or updates the node map object associated with the provided
	// IP and node id.
	Update(ip net.IP, nodeID uint16) error

	// Delete deletes the node map object associated with the provided
	// IP.
	Delete(ip net.IP) error

	// IterateWithCallback iterates through all the keys/values of a node map,
	// passing each key/value pair to the cb callback.
	IterateWithCallback(cb NodeIterateCallback) error

	// Size returns what how many entries the node map is configured to hold.
	Size() uint32
}

type NodeIterateCallback func(*NodeKey, *NodeValue)

type NodeKey struct {
	Pad1   uint16 `align:"pad1"`
	Pad2   uint8  `align:"pad2"`
	Family uint8  `align:"family"`
	// represents both IPv6 and IPv4 (in the lowest four bytes)
	IP types.IPv6 `align:"$union0"`
}

type NodeValue struct {
	NodeID uint16
}