reopen

Documentation

Index

• Variables
• type BufferedFileWriter
  • func NewBufferedFileWriter(w *FileWriter) *BufferedFileWriter
  • func NewBufferedFileWriterSize(w *FileWriter, size int, flush time.Duration) *BufferedFileWriter
  • func (bw *BufferedFileWriter) Close() error
  • func (bw *BufferedFileWriter) Flush()
  • func (bw *BufferedFileWriter) Reopen() error
  • func (bw *BufferedFileWriter) Write(p []byte) (int, error)
• type FileWriter
  • func NewFileWriter(name string) (*FileWriter, error)
  • func NewFileWriterMode(name string, mode os.FileMode) (*FileWriter, error)
  • func (fw *FileWriter) Close() error
  • func (fw *FileWriter) Fd() uintptr
  • func (fw *FileWriter) Reopen() error
  • func (fw *FileWriter) Write(p []byte) (int, error)
• type Reopener
• type WriteCloser
  • func NopWriter(w io.Writer) WriteCloser
• type Writer
  • func MultiWriter(writers ...Writer) Writer

Variables

var (
	Stdout  = NopWriter(os.Stdout)
	Stderr  = NopWriter(os.Stderr)
	Discard = NopWriter(ioutil.Discard)
)

Types

type BufferedFileWriter

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

func NewBufferedFileWriter

func NewBufferedFileWriter(w *FileWriter) *BufferedFileWriter

NewBufferedFileWriter bw默认构造方法

func NewBufferedFileWriterSize

func NewBufferedFileWriterSize(w *FileWriter, size int, flush time.Duration) *BufferedFileWriter

NewBufferedFileWriterSize bw构造方法 w:FileWriter；size:缓冲区大小；flush:定时刷盘时间间隔

func (*BufferedFileWriter) Close

func (bw *BufferedFileWriter) Close() error

Close bw

func (*BufferedFileWriter) Flush

func (bw *BufferedFileWriter) Flush()

Flush bw

func (*BufferedFileWriter) Reopen

func (bw *BufferedFileWriter) Reopen() error

Reopen bw

func (*BufferedFileWriter) Write

func (bw *BufferedFileWriter) Write(p []byte) (int, error)

Write 通过bw,将p写入io.Writer

type FileWriter

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

func NewFileWriter

func NewFileWriter(name string) (*FileWriter, error)

NewFileWriter 构造方法，创建FileWriter，默认权限：rw

func NewFileWriterMode

func NewFileWriterMode(name string, mode os.FileMode) (*FileWriter, error)

NewFileWriterMode 构造方法，创建FileWriter

func (*FileWriter) Close

func (fw *FileWriter) Close() error

Close 关闭文件

func (*FileWriter) Fd

func (fw *FileWriter) Fd() uintptr

Fd 返回文件描述符

func (*FileWriter) Reopen

func (fw *FileWriter) Reopen() error

Reopen the file

func (*FileWriter) Write

func (fw *FileWriter) Write(p []byte) (int, error)

Write 写入文件

type Reopener

type Reopener interface {
	Reopen() error
}

type WriteCloser

type WriteCloser interface {
	Reopener
	io.WriteCloser
}

func NopWriter

func NopWriter(w io.Writer) WriteCloser

type Writer

type Writer interface {
	Reopener
	io.Writer
}

func MultiWriter

func MultiWriter(writers ...Writer) Writer