portallocator

package
v1.5.0-rc3 Latest Latest
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Published: Feb 3, 2015 License: Apache-2.0 Imports: 4 Imported by: 0

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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 added in v1.1.0

func NewErrPortAlreadyAllocated(ip string, port int) ErrPortAlreadyAllocated

func (ErrPortAlreadyAllocated) Error added in v1.1.0

func (e ErrPortAlreadyAllocated) Error() string

func (ErrPortAlreadyAllocated) IP added in v1.1.0

func (ErrPortAlreadyAllocated) IPPort added in v1.1.0

func (e ErrPortAlreadyAllocated) IPPort() string

func (ErrPortAlreadyAllocated) Port added in v1.1.0

func (e ErrPortAlreadyAllocated) Port() int

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