subnet

Documentation

Index

• func BelongsTo(parent *net.IPNet, child *net.IPNet) bool
• func Overlap(l, r *net.IPNet) bool
• func SplitInto8(parent *net.IPNet) ([]*net.IPNet, error)
• type CIDRMap
  • func (c *CIDRMap) Allocate(from string, mask net.IPMask) (*net.IPNet, error)
  • func (c *CIDRMap) MarkInUse(s string) error

Functions

func BelongsTo

func BelongsTo(parent *net.IPNet, child *net.IPNet) bool

BelongsTo checks if child is a subnet of parent

func Overlap

func Overlap(l, r *net.IPNet) bool

Overlap checks if two subnets overlap

func SplitInto8

func SplitInto8(parent *net.IPNet) ([]*net.IPNet, error)

SplitInto8 splits the parent IPNet into 8 subnets

Types

type CIDRMap

type CIDRMap struct {
	// contains filtered or unexported fields
}

CIDRMap is a helper structure to allocate unused CIDRs

func (*CIDRMap) Allocate

func (c *CIDRMap) Allocate(from string, mask net.IPMask) (*net.IPNet, error)

func (*CIDRMap) MarkInUse

func (c *CIDRMap) MarkInUse(s string) error