netutils

README

netutils

Miscellaneous network utilities

Documentation

Index

• func GenerateDefaultGateway(sna *net.IPNet) net.IP
• func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, error)
• func GetNodeIP(nodeName string) (string, error)
• func IPToUint32(ip net.IP) uint32
• func Uint32ToIP(u uint32) net.IP
• type NetIDAllocator
  • func NewNetIDAllocator(min uint, max uint, inUse []uint) (*NetIDAllocator, error)
  • func (nia *NetIDAllocator) GetNetID() (uint, error)
  • func (nia *NetIDAllocator) ReleaseNetID(netid uint) error
• type SubnetAllocator
  • func NewSubnetAllocator(network string, capacity uint, inUse []string) (*SubnetAllocator, error)
  • func (sna *SubnetAllocator) GetNetwork() (*net.IPNet, error)
  • func (sna *SubnetAllocator) ReleaseNetwork(ipnet *net.IPNet) error

Functions

func GenerateDefaultGateway

func GenerateDefaultGateway(sna *net.IPNet) net.IP

Generate the default gateway IP Address for a subnet

func GetHostIPNetworks

func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, error)

func GetNodeIP

func GetNodeIP(nodeName string) (string, error)

func IPToUint32

func IPToUint32(ip net.IP) uint32

func Uint32ToIP

func Uint32ToIP(u uint32) net.IP

Types

type NetIDAllocator

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

func NewNetIDAllocator

func NewNetIDAllocator(min uint, max uint, inUse []uint) (*NetIDAllocator, error)

func (*NetIDAllocator) GetNetID

func (nia *NetIDAllocator) GetNetID() (uint, error)

func (*NetIDAllocator) ReleaseNetID

func (nia *NetIDAllocator) ReleaseNetID(netid uint) error

type SubnetAllocator

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

func NewSubnetAllocator

func NewSubnetAllocator(network string, capacity uint, inUse []string) (*SubnetAllocator, error)

func (*SubnetAllocator) GetNetwork

func (sna *SubnetAllocator) GetNetwork() (*net.IPNet, error)

func (*SubnetAllocator) ReleaseNetwork

func (sna *SubnetAllocator) ReleaseNetwork(ipnet *net.IPNet) error