utils

Documentation

Index

• func Exists(fpath string) bool
• func FileSize(fpath string) int64
• func IsDir(fpath string) bool
• func IsRegular(fpath string) bool
• func ReadyDir(filename string) error
• func SaveFile(filename string, data []byte) error
• type FLock
  • func NewFLock(path string) (FLock, error)
  • func (lock FLock) Lock() error
  • func (lock FLock) TryLock() (bool, error)
  • func (lock FLock) Unlock() error

Functions

func Exists

func Exists(fpath string) bool

Exists returns true if a file exists

func FileSize

func FileSize(fpath string) int64

FileSize return file size, return -1 if error

func IsDir

func IsDir(fpath string) bool

IsDir ...

func IsRegular

func IsRegular(fpath string) bool

IsRegular ...

func ReadyDir

func ReadyDir(filename string) error

ReadyDir ...

func SaveFile

func SaveFile(filename string, data []byte) error

SaveFile ...

Types

type FLock

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

FLock is a file-based lock

func NewFLock

func NewFLock(path string) (FLock, error)

NewFLock creates new Flock-based lock (unlocked first)

func (FLock) Lock

func (lock FLock) Lock() error

Lock acquires the lock, blocking

func (FLock) TryLock

func (lock FLock) TryLock() (bool, error)

TryLock acquires the lock, non-blocking

func (FLock) Unlock

func (lock FLock) Unlock() error

Unlock releases the lock