ipallocator

package
v1.4.2-0...-2a69ca8 Latest Latest
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Published: Jan 15, 2015 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrNoAvailableIPs           = errors.New("no available ip addresses on network")
	ErrIPAlreadyAllocated       = errors.New("ip already allocated")
	ErrIPOutOfRange             = errors.New("requested ip is out of range")
	ErrNetworkAlreadyRegistered = errors.New("network already registered")
	ErrBadSubnet                = errors.New("network does not contain specified subnet")
)

Functions

func RegisterSubnet

func RegisterSubnet(network *net.IPNet, subnet *net.IPNet) error

RegisterSubnet registers network in global allocator with bounds defined by subnet. If you want to use network range you must call this method before first RequestIP, otherwise full network range will be used

func ReleaseIP

func ReleaseIP(network *net.IPNet, ip net.IP) error

ReleaseIP adds the provided ip back into the pool of available ips to be returned for use.

func RequestIP

func RequestIP(network *net.IPNet, ip net.IP) (net.IP, error)

RequestIP requests an available ip from the given network. It will return the next available ip if the ip provided is nil. If the ip provided is not nil it will validate that the provided ip is available for use or return an error

Types

This section is empty.

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