portallocator

package
v0.0.0-...-0904200 Latest Latest
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Published: Apr 18, 2017 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Constants

View Source
const (
	BeginPortRange = 49153
	EndPortRange   = 65535
)

Variables

View Source
var (
	ErrAllPortsAllocated = errors.New("all ports are allocated")
	ErrUnknownProtocol   = errors.New("unknown protocol")
)

Functions

func ReleaseAll

func ReleaseAll() error

ReleaseAll releases all ports for all ips.

func ReleasePort

func ReleasePort(ip net.IP, proto string, port int) error

ReleasePort releases port from global ports pool for specified ip and proto.

func RequestPort

func RequestPort(ip net.IP, proto string, port int) (int, error)

RequestPort requests new port from global ports pool for specified ip and proto. If port is 0 it returns first free port. Otherwise it cheks port availability in pool and return that port or error if port is already busy.

Types

type ErrPortAlreadyAllocated

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

func NewErrPortAlreadyAllocated

func NewErrPortAlreadyAllocated(ip string, port int) ErrPortAlreadyAllocated

func (ErrPortAlreadyAllocated) Error

func (e ErrPortAlreadyAllocated) Error() string

func (ErrPortAlreadyAllocated) IP

func (ErrPortAlreadyAllocated) IPPort

func (e ErrPortAlreadyAllocated) IPPort() string

func (ErrPortAlreadyAllocated) Port

func (e ErrPortAlreadyAllocated) Port() int

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