Struct FileLogWriter

logs/logs/file.go:41–64

FileLogWriter implements LoggerInterface. It writes messages by lines limit, file size limit, or time frequency.

// FileLogWriter implements LoggerInterface.
// It writes messages by lines limit, file size limit, or time frequency.
type FileLogWriter struct {
	*log.Logger
	mw *MuxWriter
	// The opened file
	Filename string `json:"filename"`

	Maxlines          int `json:"maxlines"`
	maxlines_curlines int

	// Rotate at size
	Maxsize         int `json:"maxsize"`
	maxsize_cursize int

	// Rotate daily
	Daily          bool  `json:"daily"`
	Maxdays        int64 `json:"maxdays"`
	daily_opendate int

	Rotate bool `json:"rotate"`

	startLock sync.Mutex // Only one log can write to the file

	Level int `json:"level"`
}

// an *os.File writer with locker.
type MuxWriter struct {