port_allocator

package

v1.13.0 Latest Latest Go to latest Published: Apr 16, 2018 License: Apache-2.0 Imports: 5 Imported by: 0

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var ErrorPortPoolExhausted = errors.New("port pool exhausted")

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type FileLocker interface {
	filelock.FileLocker
}

type LockedFile interface {
	filelock.LockedFile
}

type Pool struct {
	AcquiredPorts map[int]string
}

func (p *Pool) MarshalJSON() ([]byte, error)

func (p *Pool) UnmarshalJSON(bytes []byte) error

type PortAllocator struct {
	Tracker    tracker
	Serializer serial.Serializer
	Locker     filelock.FileLocker
}

func (p *PortAllocator) AllocatePort(handle string, port int) (int, error)

func (p *PortAllocator) ReleaseAllPorts(handle string) error

type Tracker struct {
	StartPort int
	Capacity  int
}

func (t *Tracker) AcquireOne(pool *Pool, handler string) (int, error)

func (t *Tracker) InRange(port int) bool

func (t *Tracker) ReleaseAll(pool *Pool, handle string) error