utils

Documentation

Index

• Variables
• func CIDR2Range(cidr string) (uint32, uint32, error)
• func CollectMapValues[K comparable, T any](m map[K]T, c func(T) string) []string
• func CollectSliceValues[T any](m []T, c func(T) string) []string
• func FindIpInfo[T IpRangeRecord](lib []T, ip net.IP) (T, bool)
• func IP2Int(ip net.IP) uint32
• func Int2IP(ip uint32) net.IP
• func MapKeys[T any](m map[string]T) []string
• func Range2CIDR(start, end uint32) *net.IPNet
• func SliceToMapIndex(lib []string) map[string]int
• func SortUniqueSlice[T cmp.Ordered](lib []T) []T
• type IpRangeRecord

Variables

var MASK_LOOKUP = func() map[int]net.IPMask {
	out := make(map[int]net.IPMask)
	for i := 0; i < 32; i++ {
		val := (1 << i) - 1
		out[val] = net.CIDRMask(32-i, 32)
	}
	return out
}()

Functions

func CIDR2Range

func CIDR2Range(cidr string) (uint32, uint32, error)

func CollectMapValues

func CollectMapValues[K comparable, T any](m map[K]T, c func(T) string) []string

func CollectSliceValues

func CollectSliceValues[T any](m []T, c func(T) string) []string

func FindIpInfo

func FindIpInfo[T IpRangeRecord](lib []T, ip net.IP) (T, bool)

func IP2Int

func IP2Int(ip net.IP) uint32

func Int2IP

func Int2IP(ip uint32) net.IP

func MapKeys

func MapKeys[T any](m map[string]T) []string

func Range2CIDR

func Range2CIDR(start, end uint32) *net.IPNet

func SliceToMapIndex

func SliceToMapIndex(lib []string) map[string]int

func SortUniqueSlice

func SortUniqueSlice[T cmp.Ordered](lib []T) []T

Types

type IpRangeRecord

type IpRangeRecord interface {
	GetStartIP() uint32
	GetEndIP() uint32
}