net

package
v0.0.3-pre7 Latest Latest
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 Go to latest Published: Jan 22, 2021 License: Apache-2.0 Imports: 12 Imported by: 18

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func BigEndianToLocal 

func BigEndianToLocal(input []byte) []byte

BigEndianToLocal converts input from big endian to "local" endian

func Htons 

func Htons(x uint16) uint16

Htons converts a local short uint to an network order short uint

func StrToAddr 

func StrToAddr(x string) (uint32, error)

StrToAddr converts an IP address string to it's uint32 representation

Types

type IP 

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

IP represents an IPv4 or IPv6 address

func IPFromBytes 

func IPFromBytes(b []byte) (IP, error)

IPFromBytes returns an IP address for a byte slice

func IPFromProtoIP 

func IPFromProtoIP(addr *api.IP) *IP

IPFromProtoIP creates an IP address from a proto IP

func IPFromString 

func IPFromString(str string) (IP, error)

IPFromString returns an IP address for a given string

func IPv4 

func IPv4(val uint32) IP

IPv4 returns a new `IP` representing an IPv4 address

func IPv4FromBytes 

func IPv4FromBytes(b []byte) IP

IPv4FromBytes creates an IPv4 Address from one or more bytes. Missing bytes are filled with zero bytes.

func IPv4FromOctets 

func IPv4FromOctets(o1, o2, o3, o4 uint8) IP

IPv4FromOctets returns an IPv4 address for the given 4 octets

func IPv6 

func IPv6(higher, lower uint64) IP

IPv6 returns a new `IP` representing an IPv6 address

func IPv6FromBlocks 

func IPv6FromBlocks(b1, b2, b3, b4, b5, b6, b7, b8 uint16) IP

IPv6FromBlocks returns an IPv6 address for the given 8 blocks

func (*IP) BitAtPosition 

func (ip *IP) BitAtPosition(pos uint8) bool

BitAtPosition returns the bit at position pos

func (*IP) Bytes 

func (ip *IP) Bytes() []byte

Bytes returns the byte representation of an IP address

func (*IP) Compare 

func (ip *IP) Compare(other *IP) int8

Compare compares two IP addresses (returns 0 if equal, -1 if `ip` is smaller than `other`, 1 if `ip` is greater than `other`)

func (IP) Dedup 

func (ip IP) Dedup() *IP

Dedup gets a copy of IP from the cache

func (*IP) Equal 

func (ip *IP) Equal(other *IP) bool

Equal returns true if ip is equal to other

func (*IP) Higher 

func (ip *IP) Higher() uint64

Higher gets the higher half of the IP address

func (*IP) IsIPv4 

func (ip *IP) IsIPv4() bool

IsIPv4 returns if the `IP` is of address family IPv4

func (*IP) Lower 

func (ip *IP) Lower() uint64

Lower gets the lower half of the IP address

func (*IP) MaskLastNBits 

func (ip *IP) MaskLastNBits(n uint8) *IP

MaskLastNBits masks the last n bits of an IP address

func (*IP) Next 

func (ip *IP) Next() *IP

Next gets the next ip address

func (IP) Ptr 

func (ip IP) Ptr() *IP

Ptr returns a pointer to ip

func (*IP) SizeBytes 

func (ip *IP) SizeBytes() uint8

SizeBytes returns the number of bytes required to represent the `IP`

func (*IP) String 

func (ip *IP) String() string

String returns string representation of an IP address

func (*IP) ToNetIP 

func (ip *IP) ToNetIP() net.IP

ToNetIP converts the IP address in a `net.IP`

func (IP) ToProto 

func (ip IP) ToProto() *api.IP

ToProto converts an IP to a proto IP

func (*IP) ToUint32 

func (ip *IP) ToUint32() uint32

ToUint32 return the rightmost 32 bits of an 'IP'

type Prefix 

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

Prefix represents an IPv4 prefix

func NewPfx 

func NewPfx(addr IP, pfxlen uint8) Prefix

NewPfx creates a new Prefix

func NewPfxFromIPNet 

func NewPfxFromIPNet(ipNet *gonet.IPNet) *Prefix

NewPfxFromIPNet creates a Prefix object from an gonet.IPNet object

func NewPrefixFromProtoPrefix 

func NewPrefixFromProtoPrefix(pfx *api.Prefix) *Prefix

NewPrefixFromProtoPrefix creates a Prefix from a proto Prefix

func PrefixFromString 

func PrefixFromString(s string) (*Prefix, error)

PrefixFromString converts prefix from string representation to Prefix

func (*Prefix) Addr 

func (pfx *Prefix) Addr() *IP

Addr returns the address of the prefix

func (*Prefix) BaseAddr 

func (p *Prefix) BaseAddr() *IP

BaseAddr gets the base address of the prefix

func (*Prefix) Contains 

func (pfx *Prefix) Contains(x *Prefix) bool

Contains checks if x is a subnet of or equal to pfx

func (Prefix) Dedup 

func (p Prefix) Dedup() *Prefix

Dedup gets a copy of Prefix from the cache. If Prefix is not in the cache it gets added.

func (*Prefix) Equal 

func (pfx *Prefix) Equal(x *Prefix) bool

Equal checks if pfx and x are equal

func (*Prefix) GetIPNet 

func (pfx *Prefix) GetIPNet() *gonet.IPNet

GetIPNet returns the gonet.IP object for a Prefix object

func (*Prefix) GetSupernet 

func (pfx *Prefix) GetSupernet(x *Prefix) Prefix

GetSupernet gets the next common supernet of pfx and x

func (*Prefix) Pfxlen 

func (pfx *Prefix) Pfxlen() uint8

Pfxlen returns the length of the prefix

func (Prefix) Ptr 

func (p Prefix) Ptr() *Prefix

Ptr returns a pointer to p

func (*Prefix) String 

func (pfx *Prefix) String() string

String returns a string representation of pfx

func (Prefix) ToProto 

func (p Prefix) ToProto() *api.Prefix

ToProto converts prefix to proto prefix

func (*Prefix) Valid 

func (p *Prefix) Valid() bool

Valid checks if all bits outside of the prefix lengths range are zero (no host bit set)

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