iprangetree

README

iprangetree

Simple IP range tree collection

tree := iprangetree.New(2)

if item, err := iprangetree.ItemByString("86.100.32.0-86.100.32.255"); nil == err {
  tree.Add(item)
} else {
  log.Fatal(err)
}

fmt.Println(tree.Lookup(net.ParseIP("86.100.32.10")))

Documentation

Index

• Variables
• type IP
  • func (ip IP) Less(then btree.Item) bool
• type IPItem
  • func ItemByString(s string) (item *IPItem, err error)
  • func (i *IPItem) Compare(it interface{}) int
  • func (i *IPItem) Has(ip net.IP) bool
  • func (i *IPItem) Less(then btree.Item) bool
  • func (i *IPItem) Normalize()
• type IPTree
  • func New(degree int) *IPTree
  • func (t *IPTree) Add(item *IPItem) error
  • func (t *IPTree) AddRange(ip1, ip2 net.IP, val interface{}) error
  • func (t *IPTree) Lookup(ip net.IP) (response *IPItem)

Variables

var ErrInvalidItem = errors.New("iprangetree: invalid IP range item")

ErrInvalidItem message

var ErrInvalidItemParse = errors.New("Invalid parse item")

ErrInvalidItemParse by string

Types

type IP

type IP net.IP

IP implementation btree campare

func (IP) Less

func (ip IP) Less(then btree.Item) bool

Less camparing for btree

type IPItem

type IPItem struct {
	StartIP net.IP
	EndIP   net.IP
	Data    interface{}
}

IPItem IP range

func ItemByString

func ItemByString(s string) (item *IPItem, err error)

ItemByString parse

func (*IPItem) Compare

func (i *IPItem) Compare(it interface{}) int

Compare with the second item

func (*IPItem) Has

func (i *IPItem) Has(ip net.IP) bool

Has IP in range

func (*IPItem) Less

func (i *IPItem) Less(then btree.Item) bool

Less camparing for btree

func (*IPItem) Normalize

func (i *IPItem) Normalize()

Normalize IP values

type IPTree

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

IPTree base

func New

func New(degree int) *IPTree

New tree object

func (*IPTree) Add

func (t *IPTree) Add(item *IPItem) error

Add IP range item

func (*IPTree) AddRange

func (t *IPTree) AddRange(ip1, ip2 net.IP, val interface{}) error

AddRange IPs vith value

func (*IPTree) Lookup

func (t *IPTree) Lookup(ip net.IP) (response *IPItem)

Lookup item by IP