ipam

package
v0.0.8 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 21, 2021 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source 
const BITMAP_BUSY = ^Bitmap(0)
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const MAX_BITMAP_HOST_MASK = (1 << MAX_BITMAP_NET) - 1
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const MAX_BITMAP_NET = 6
View Source 
const MAX_BITMAP_SIZE = 1 << MAX_BITMAP_NET

Variables

View Source 
var IntOne = Int64(1)
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var IntTwoFiveFive = Int64(255)
View Source 
var IntZero = Int64(0)

Functions

func CIDRAlign 

func CIDRAlign(cidr *net.IPNet, bits int) *net.IPNet

func CIDRBits 

func CIDRBits(cidr *net.IPNet) int

func CIDRClone 

func CIDRClone(cidr *net.IPNet) *net.IPNet

func CIDREqual 

func CIDREqual(a, b *net.IPNet) bool

func CIDRExtend 

func CIDRExtend(cidr *net.IPNet) *net.IPNet

func CIDRFirstIP 

func CIDRFirstIP(cidr *net.IPNet) net.IP

func CIDRHostMaskSize 

func CIDRHostMaskSize(cidr *net.IPNet) int

func CIDRLastIP 

func CIDRLastIP(cidr *net.IPNet) net.IP

func CIDRNet 

func CIDRNet(cidr *net.IPNet) *net.IPNet

func CIDRNetMaskSize 

func CIDRNetMaskSize(cidr *net.IPNet) int

func CIDRSplit 

func CIDRSplit(cidr *net.IPNet) (lower, upper *net.IPNet)

func CIDRSubIP 

func CIDRSubIP(cidr *net.IPNet, n int64) net.IP

func CIDRSubIPInt 

func CIDRSubIPInt(cidr *net.IPNet, n Int) net.IP

func CIDRto16 

func CIDRto16(cidr *net.IPNet) *net.IPNet

func CIDRto4 

func CIDRto4(cidr *net.IPNet) *net.IPNet

func IPAdd 

func IPAdd(ip net.IP, n int64) net.IP

func IPAddInt 

func IPAddInt(ip net.IP, n Int) net.IP

func IPClone 

func IPClone(ip net.IP) net.IP

func IPCmp 

func IPCmp(a, b net.IP) int

func IPMaskClone 

func IPMaskClone(mask net.IPMask) net.IPMask

func IPtoCIDR 

func IPtoCIDR(ip net.IP) *net.IPNet

func MustParseCIDR 

func MustParseCIDR(s string) *net.IPNet

func ParseCIDR 

func ParseCIDR(s string) (*net.IPNet, error)

func ParseIP 

func ParseIP(s string) net.IP

Types

type Bitmap 

type Bitmap uint64

type Block 

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

func ParseBlock added in v0.0.7 

func ParseBlock(s string) *Block

func (*Block) IsUpper 

func (this *Block) IsUpper() bool

func (*Block) Next 

func (this *Block) Next() *Block

func (*Block) Prev 

func (this *Block) Prev() *Block

func (*Block) Size 

func (this *Block) Size() int

func (*Block) String 

func (this *Block) String() string

type CIDRList 

type CIDRList []*net.IPNet

func Excludes 

func Excludes(cidr *net.IPNet, ranges ...*IPRange) (CIDRList, error)

func Includes 

func Includes(ranges ...*IPRange) (CIDRList, error)

func (*CIDRList) Add 

func (this *CIDRList) Add(cidrs ...*net.IPNet)

func (CIDRList) Contains 

func (this CIDRList) Contains(ip net.IP) bool

func (CIDRList) Copy added in v0.0.7 

func (this CIDRList) Copy() CIDRList

func (CIDRList) IsEmpty 

func (this CIDRList) IsEmpty() bool

func (CIDRList) Len 

func (p CIDRList) Len() int

func (CIDRList) Less 

func (p CIDRList) Less(i, j int) bool

func (*CIDRList) String 

func (this *CIDRList) String() string

func (CIDRList) Swap 

func (p CIDRList) Swap(i, j int)

type IPAM 

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

func NewIPAM 

func NewIPAM(cidr *net.IPNet, ranges ...*IPRange) (*IPAM, error)

func NewIPAMForRanges 

func NewIPAMForRanges(ranges IPRanges) (*IPAM, error)

func (*IPAM) Alloc 

func (this *IPAM) Alloc(reqsize int) *net.IPNet

func (*IPAM) Bits 

func (this *IPAM) Bits() int

func (*IPAM) Busy 

func (this *IPAM) Busy(cidr *net.IPNet) bool

func (*IPAM) Free 

func (this *IPAM) Free(cidr *net.IPNet) bool

func (*IPAM) IsRoundRobin 

func (this *IPAM) IsRoundRobin() bool

func (*IPAM) Ranges added in v0.0.7 

func (this *IPAM) Ranges() CIDRList

func (*IPAM) SetRoundRobin 

func (this *IPAM) SetRoundRobin(b bool)

func (*IPAM) SetState 

func (this *IPAM) SetState(blocks []string, next []net.IP) error

func (*IPAM) State 

func (this *IPAM) State() ([]string, []net.IP)

func (*IPAM) String 

func (this *IPAM) String() string

type IPRange 

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

func MustParseIPRange 

func MustParseIPRange(str string) *IPRange

func ParseIPRange 

func ParseIPRange(str string) (*IPRange, error)

func (*IPRange) Contains 

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

func (*IPRange) String 

func (this *IPRange) String() string

type IPRanges 

type IPRanges []*IPRange

IPRanges attaches the methods of Interface to []string, sorting in increasing order.

func MustParseIPRanges 

func MustParseIPRanges(str ...string) IPRanges

func NormalizeIPRanges 

func NormalizeIPRanges(ranges ...*IPRange) IPRanges

func ParseIPRanges 

func ParseIPRanges(str ...string) (IPRanges, error)

func (IPRanges) Contains 

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

func (IPRanges) Len 

func (p IPRanges) Len() int

func (IPRanges) Less 

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

func (IPRanges) String 

func (this IPRanges) String() string

func (IPRanges) Swap 

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

type Int 

type Int big.Int

func CIDRHostSize 

func CIDRHostSize(cidr *net.IPNet) Int

func IPDiff 

func IPDiff(a, b net.IP) Int

func Int64 

func Int64(i int64) Int

func ParseInt added in v0.0.7 

func ParseInt(s string) (Int, error)

func (Int) Add 

func (this Int) Add(a Int) Int

func (Int) And 

func (this Int) And(a Int) Int

func (Int) Cmp 

func (this Int) Cmp(a Int) int

func (Int) Div 

func (this Int) Div(a Int) Int

func (Int) DivMod 

func (this Int) DivMod(a Int) (Int, Int)

func (Int) Int64 

func (this Int) Int64() int64

func (Int) IsInt64 

func (this Int) IsInt64() bool

func (Int) IsUint64 

func (this Int) IsUint64() bool

func (Int) LShift 

func (this Int) LShift(n uint) Int

func (Int) Mod 

func (this Int) Mod(a Int) Int

func (Int) Mul 

func (this Int) Mul(a Int) Int

func (Int) Or 

func (this Int) Or(a Int) Int

func (Int) RShift 

func (this Int) RShift(n uint) Int

func (Int) Sgn 

func (this Int) Sgn() int

func (Int) String 

func (this Int) String() string

func (Int) Sub 

func (this Int) Sub(a Int) Int

func (Int) Uint64 

func (this Int) Uint64() uint64

type RequestSpec added in v0.0.7 

type RequestSpec interface {
	IsCIDR() bool
	Bits() int
	Alloc(ipam *IPAM) (*net.IPNet, error)
	String() string
}

RequestSpec represents a dedicate allocation type for a cidr from an IPAM.

func ParseRequestSpec added in v0.0.7 

func ParseRequestSpec(s string) (RequestSpec, error)

type RequestSpecList added in v0.0.7 

type RequestSpecList []RequestSpec

func (RequestSpecList) String added in v0.0.7 

func (r RequestSpecList) String() string

Source Files

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