backend

Documentation

Index

• type FileLock
  • func NewFileLock(lockPath string) (*FileLock, error)
• type Store
  • func NewFSStore(root string) (Store, error)

Types

type FileLock

type FileLock struct {
	*filemutex.FileMutex
}

FileLock wraps os.File to be used as a lock using flock

func NewFileLock

func NewFileLock(lockPath string) (*FileLock, error)

NewFileLock opens file/dir at path and returns unlocked FileLock object

type Store

type Store interface {
	Lock() error
	Unlock() error
	Reserve(ns string, port int) (bool, error)
	Release(ns string, port int) error
	LastReserved(ns string) (int, error)
	GetByNS(ns string) ([]int, error)
	Close() error
}

Store define the interface to implement to be used as a backend for a port Allocator

func NewFSStore

func NewFSStore(root string) (Store, error)

NewFSStore creates a backend for port manager that stores the allocated port in a filesystem