files

Documentation

Index

• Constants
• type FileInfo
• type FileRepo
  • func New(opts ...Option) FileRepo
  • func NewFileRepo(opts ...Option) FileRepo
• type Option
  • func ConcurrencyRead() Option
  • func ReadBufferLength(rbuf int64) Option
• type Options
• type WriteOption
  • func WriteFlag(flag int) WriteOption
• type WriteOptions

Constants

const (
	FileModeOnlyRead  os.FileMode = 0444
	FileModeReadWrite os.FileMode = 0666
)

FileMode

const (
	DefaultReadBufferLength = 1024
)

DefaultReadBufferLength default reader buffer length

Types

type FileInfo

type FileInfo struct {
	sync.Mutex
	*os.File
}

type FileRepo

type FileRepo interface {
	Open(file string) (*FileInfo, error)
	OpenFile(file string, flag int, perm os.FileMode) (*FileInfo, error)
	// judge if file is opening
	FileOpened(string) bool
	// get information with file name
	FileInfo(name string) (os.FileInfo, error)
	// close the file
	Close(file string) error
	// close all files which were opened
	CloseAll() error
	// read file
	Read(string) (b []byte, n int, err error)
	// rewrite file with context
	Write(name, context string, opts ...WriteOption) (int, error)
	WriteBytes(name string, b []byte, opts ...WriteOption) (int, error)
	// append context to the file
	WriteAppend(name, context string, opts ...WriteOption) (int, error)
	WriteAppendBytes(name string, b []byte, opts ...WriteOption) (int, error)
	// rename file
	Rename(oldpath, newpath string) error
	// set length of buffer to read file, default: 1024
	SetReadBufLength(int64) error
}

FileRepo execute file functions

func New

func New(opts ...Option) FileRepo

New return filerepo with default executor

func NewFileRepo

func NewFileRepo(opts ...Option) FileRepo

NewFileRepo return an new constraction of FileRepo

type Option

type Option func(*Options)

func ConcurrencyRead

func ConcurrencyRead() Option

func ReadBufferLength

func ReadBufferLength(rbuf int64) Option

type Options

type Options struct {
	ReadBufferLength int64
	ConcurrencyRead  bool
}

type WriteOption

type WriteOption func(*WriteOptions)

func WriteFlag

func WriteFlag(flag int) WriteOption

type WriteOptions

type WriteOptions struct {
	Flag *int
}