netutils

package

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Versions in this module

v1

v1.10.2

Sep 5, 2024

Changes in this version

+ var AllIPV4AddrRange = IPV4AddrRange

+ var AllIPV6AddrRange = IPV6AddrRange

+ var IPV4Ones = IPV4Addr(0xffffffff)

+ var IPV4Zero = IPV4Addr(0)

+ var IPV6Ones = IPV6Addr([8]uint16{ ... })

+ var IPV6Zero = IPV6Addr([8]uint16{ ... })

+ func GetHttpRequestIp(r *http.Request) string

type IPV4Addr

+ func (addr IPV4Addr) ToIP() net.IP

type IPV4AddrRange

+ func (ar IPV4AddrRange) Substract2(ar2 IPV4AddrRange) ([]IPV4AddrRange, bool, IPV4AddrRange)

+ func (ar IPV4AddrRange) ToPrefixes() []IPV4Prefix

+ func (r IPV4AddrRange) IsAll() bool

+ func (v4range IPV4AddrRange) Compare(r2 IPV4AddrRange) sortutils.CompareResult

+ type IPV4AddrRangeList []IPV4AddrRange

+ func (rl IPV4AddrRangeList) Len() int

+ func (rl IPV4AddrRangeList) Less(i, j int) bool

+ func (rl IPV4AddrRangeList) Merge() []IPV4AddrRange

+ func (rl IPV4AddrRangeList) String() string

+ func (rl IPV4AddrRangeList) Substract(addrRange IPV4AddrRange) []IPV4AddrRange

+ func (rl IPV4AddrRangeList) Swap(i, j int)

type IPV4Prefix

+ func NewIPV4PrefixFromAddr(addr IPV4Addr, masklen int8) IPV4Prefix

+ func (pref IPV4Prefix) ToIPNet() *net.IPNet

type IPV6Addr

+ func Mac2LinkLocal(mac string) (IPV6Addr, error)

+ func (addr IPV6Addr) ToBytes() []byte

+ func (addr IPV6Addr) ToIP() net.IP

type IPV6AddrRange

+ func (ar IPV6AddrRange) Substract(ar2 IPV6AddrRange) ([]IPV6AddrRange, *IPV6AddrRange)

+ func (ar IPV6AddrRange) Substract2(ar2 IPV6AddrRange) ([]IPV6AddrRange, bool, IPV6AddrRange)

+ func (ar IPV6AddrRange) ToIPNets() []*net.IPNet

+ func (ar IPV6AddrRange) ToPrefixes() []IPV6Prefix

+ func (r IPV6AddrRange) IsAll() bool

+ func (v6range IPV6AddrRange) Compare(r2 IPV6AddrRange) sortutils.CompareResult

+ type IPV6AddrRangeList []IPV6AddrRange

+ func (rl IPV6AddrRangeList) Len() int

+ func (rl IPV6AddrRangeList) Less(i, j int) bool

+ func (rl IPV6AddrRangeList) Merge() []IPV6AddrRange

+ func (rl IPV6AddrRangeList) String() string

+ func (rl IPV6AddrRangeList) Substract(addrRange IPV6AddrRange) []IPV6AddrRange

+ func (rl IPV6AddrRangeList) Swap(i, j int)

type IPV6Prefix

+ func NewIPV6PrefixFromAddr(addr IPV6Addr, masklen uint8) IPV6Prefix

+ func (pref IPV6Prefix) ToIPNet() *net.IPNet

v1.10.1

Nov 29, 2024

v1.10.0

Jan 19, 2024

Changes in this version

+ const MaxUint16

+ var MASKS = []string

+ func DeriveIPv6AddrFromIPv4AddrMac(ipAddr string, macAddr string, startIp6, endIp6 string, maskLen6 uint8) string

+ func ErrMacFormat(macStr string) error

+ func GetFreePort() (int, error)

+ func Netlen2Mask(netmasklen int) string

type IPV4AddrRange

+ func (ar *IPV4AddrRange) Set(ip1 IPV4Addr, ip2 IPV4Addr)

+ type IPV6Addr [8]uint16

+ func NewIPV6Addr(ipstr string) (IPV6Addr, error)

+ func ParsePrefix6(prefix string) (IPV6Addr, uint8, error)

+ func (addr IPV6Addr) BroadcastAddr(maskLen uint8) IPV6Addr

+ func (addr IPV6Addr) Equals(addr2 IPV6Addr) bool

+ func (addr IPV6Addr) Ge(addr2 IPV6Addr) bool

+ func (addr IPV6Addr) Gt(addr2 IPV6Addr) bool

+ func (addr IPV6Addr) HostAddr(hostAddr IPV6Addr, maskLen uint8) IPV6Addr

+ func (addr IPV6Addr) Le(addr2 IPV6Addr) bool

+ func (addr IPV6Addr) Lt(addr2 IPV6Addr) bool

+ func (addr IPV6Addr) NetAddr(maskLen uint8) IPV6Addr

+ func (addr IPV6Addr) StepDown() IPV6Addr

+ func (addr IPV6Addr) StepUp() IPV6Addr

+ func (addr IPV6Addr) String() string

+ type IPV6AddrRange struct

+ func NewIPV6AddrRange(ip1 IPV6Addr, ip2 IPV6Addr) IPV6AddrRange

+ func NewIPV6AddrRangeFromIPNet(n *net.IPNet) IPV6AddrRange

+ func (ar *IPV6AddrRange) Set(ip1 IPV6Addr, ip2 IPV6Addr)

+ func (ar IPV6AddrRange) Contains(ip IPV6Addr) bool

+ func (ar IPV6AddrRange) ContainsRange(ar2 IPV6AddrRange) bool

+ func (ar IPV6AddrRange) EndIp() IPV6Addr

+ func (ar IPV6AddrRange) IsOverlap(ar2 IPV6AddrRange) bool

+ func (ar IPV6AddrRange) Merge(ar2 IPV6AddrRange) (*IPV6AddrRange, bool)

+ func (ar IPV6AddrRange) Random() IPV6Addr

+ func (ar IPV6AddrRange) StartIp() IPV6Addr

+ func (ar IPV6AddrRange) String() string

+ type IPV6Prefix struct

+ Address IPV6Addr

+ MaskLen uint8

+ func NewIPV6Prefix(prefix string) (IPV6Prefix, error)

+ func (pref *IPV6Prefix) Equals(pref1 *IPV6Prefix) bool

+ func (pref *IPV6Prefix) String() string

+ func (prefix IPV6Prefix) Contains(ip IPV6Addr) bool

+ func (prefix IPV6Prefix) ToIPRange() IPV6AddrRange

+ type SMacAddr [6]byte

+ func ParseMac(macStr string) (SMacAddr, error)

+ func (mac SMacAddr) Add(step int) SMacAddr

+ func (mac SMacAddr) String() string

v1.0.0

Apr 13, 2022

Changes in this version

+ var ErrInvalidIPAddr = errors.Error("invalid ip address")

+ var ErrInvalidMask = errors.Error("invalid mask")

+ var ErrInvalidNumber = errors.Error("invalid number")

+ var ErrOutOfRange = errors.Error("ip number out of range [0-255]")

+ var ErrOutOfRangeMask = errors.Error("out of range masklen [0-32]")

+ func FormatMacAddr(macAddr string) string

+ func IP2Number(ipstr string) (uint32, error)

+ func IsExitAddress(addr IPV4Addr) bool

+ func IsHostLocal(addr IPV4Addr) bool

+ func IsLinkLocal(addr IPV4Addr) bool

+ func IsMulticast(addr IPV4Addr) bool

+ func IsPrivate(addr IPV4Addr) bool

+ func MacUnpackHex(mac string) string

+ func Mask2Len(mask IPV4Addr) int8

+ func Number2Bytes(num uint32) []byte

+ func Number2IP(num uint32) string

+ func SetPrivatePrefixes(pref []string)

+ type IPV4Addr uint32

+ func Masklen2Mask(maskLen int8) IPV4Addr

+ func NewIPV4Addr(ipstr string) (IPV4Addr, error)

+ func ParsePrefix(prefix string) (IPV4Addr, int8, error)

+ func (addr IPV4Addr) BroadcastAddr(maskLen int8) IPV4Addr

+ func (addr IPV4Addr) CliAddr(maskLen int8) IPV4Addr

+ func (addr IPV4Addr) NetAddr(maskLen int8) IPV4Addr

+ func (addr IPV4Addr) StepDown() IPV4Addr

+ func (addr IPV4Addr) StepUp() IPV4Addr

+ func (addr IPV4Addr) String() string

+ func (addr IPV4Addr) ToBytes() []byte

+ func (addr IPV4Addr) ToMac(prefix string) string

+ type IPV4AddrRange struct

+ func GetPrivateIPRanges() []IPV4AddrRange

+ func NewIPV4AddrRange(ip1 IPV4Addr, ip2 IPV4Addr) IPV4AddrRange

+ func NewIPV4AddrRangeFromIPNet(n *net.IPNet) IPV4AddrRange

+ func (ar IPV4AddrRange) AddressCount() int

+ func (ar IPV4AddrRange) Contains(ip IPV4Addr) bool

+ func (ar IPV4AddrRange) ContainsRange(ar2 IPV4AddrRange) bool

+ func (ar IPV4AddrRange) EndIp() IPV4Addr

+ func (ar IPV4AddrRange) IsOverlap(ar2 IPV4AddrRange) bool

+ func (ar IPV4AddrRange) Merge(ar2 IPV4AddrRange) (*IPV4AddrRange, bool)

+ func (ar IPV4AddrRange) Random() IPV4Addr

+ func (ar IPV4AddrRange) StartIp() IPV4Addr

+ func (ar IPV4AddrRange) String() string

+ func (ar IPV4AddrRange) Substract(ar2 IPV4AddrRange) (lefts []IPV4AddrRange, sub *IPV4AddrRange)

+ func (ar IPV4AddrRange) ToIPNets() []*net.IPNet

+ func (ar IPV4AddrRange) ToMaskMatches() [][2]uint32

+ type IPV4Prefix struct

+ Address IPV4Addr

+ MaskLen int8

+ func NewIPV4Prefix(prefix string) (IPV4Prefix, error)

+ func (pref *IPV4Prefix) Equals(pref1 *IPV4Prefix) bool

+ func (pref *IPV4Prefix) String() string

+ func (prefix IPV4Prefix) Contains(ip IPV4Addr) bool

+ func (prefix IPV4Prefix) ToIPRange() IPV4AddrRange

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