iprange

package

v0.1.0 Latest Latest Go to latest Published: Sep 15, 2019 License: MIT Imports: 5 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/nextdhcp/nextdhcp

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Documentation ¶

Index ¶

func IP2Int(ip net.IP) (uint32, bool)
func Int2IP(i uint32) net.IP
type IPRange
- func DeleteFrom(delete *IPRange, ranges []*IPRange) []*IPRange
- func Merge(ranges []*IPRange) []*IPRange
type IPRanges

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func IP2Int ¶

func IP2Int(ip net.IP) (uint32, bool)

IP2Int converts a IPv4 address to it's unsigned integer representation

func Int2IP ¶

func Int2IP(i uint32) net.IP

Int2IP converts a uint32 to it's IPv4 representation

Types ¶

type IPRange ¶

type IPRange struct {
	Start net.IP
	End   net.IP
}

IPRange is a range of IP address from (inclusive) start to (inclusive) end IP.

func DeleteFrom ¶

func DeleteFrom(delete *IPRange, ranges []*IPRange) []*IPRange

DeleteFrom deletes a range from a set of IP ranges. The range to delte may span multiple ip ranges

func Merge ¶

func Merge(ranges []*IPRange) []*IPRange

Merge merges multiple IP ranges and combins overlapping ranges

func (*IPRange) ByIdx ¶

func (r *IPRange) ByIdx(i int) net.IP

ByIdx returns the IP address at the given index

func (*IPRange) Clone ¶

func (r *IPRange) Clone() *IPRange

Clone returns a deep copy of the IP range

func (*IPRange) Contains ¶

func (r *IPRange) Contains(ip net.IP) bool

Contains checks if ip is part of the range

func (*IPRange) Len ¶

func (r *IPRange) Len() int

Len returns the number of IP address available inside the range

func (*IPRange) String ¶

func (r *IPRange) String() string

func (*IPRange) Validate ¶

func (r *IPRange) Validate() error

Validate the IP range and return any error encountered

type IPRanges ¶

type IPRanges []*IPRange

IPRanges is a slice of IPRange and implements the sort.Interface. Ranges are sorted by increasing start IP

func (IPRanges) Contains ¶

func (ranges IPRanges) Contains(ip net.IP) bool

Contains reports whether on of the IP ranges contains the IP in question

func (IPRanges) Len ¶

func (ranges IPRanges) Len() int

Len implements sort.Interface

func (IPRanges) Less ¶

func (ranges IPRanges) Less(i, j int) bool

Less implements sort.Interface

func (IPRanges) Swap ¶

func (ranges IPRanges) Swap(i, j int)

Swap implements sort.Interface

Source Files ¶

View all Source files

range.go

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