mirror of
https://github.com/astaxie/beego.git
synced 2024-12-22 23:40:50 +00:00
embedding file writer
This commit is contained in:
parent
9507e59c2f
commit
5511e03b52
67
logs/file.go
67
logs/file.go
@ -32,32 +32,32 @@ import (
|
||||
// It writes messages by lines limit, file size limit, or time frequency.
|
||||
type fileLogWriter struct {
|
||||
*log.Logger
|
||||
mw *MuxWriter
|
||||
*MuxWriter
|
||||
// The opened file
|
||||
Filename string `json:"filename"`
|
||||
Filename string `json:"filename"`
|
||||
|
||||
MaxLines int `json:"maxlines"`
|
||||
maxLinesCurLines int
|
||||
|
||||
// Rotate at size
|
||||
MaxSize int `json:"maxsize"`
|
||||
maxSizeCurSize int
|
||||
MaxSize int `json:"maxsize"`
|
||||
maxSizeCurSize int
|
||||
|
||||
// Rotate daily
|
||||
Daily bool `json:"daily"`
|
||||
MaxDays int64 `json:"maxdays"`
|
||||
dailyOpenDate int
|
||||
Daily bool `json:"daily"`
|
||||
MaxDays int64 `json:"maxdays"`
|
||||
dailyOpenDate int
|
||||
|
||||
Rotate bool `json:"rotate"`
|
||||
Rotate bool `json:"rotate"`
|
||||
|
||||
startLock sync.Mutex // Only one log can write to the file
|
||||
startLock sync.Mutex // Only one log can write to the file
|
||||
|
||||
Level int `json:"level"`
|
||||
Level int `json:"level"`
|
||||
|
||||
Perm os.FileMode `json:"perm"`
|
||||
Perm os.FileMode `json:"perm"`
|
||||
}
|
||||
|
||||
// MuxWriter is an *os.File writer with locker.
|
||||
// MuxWriter is an *os.File writer with locker,lock write when rotate
|
||||
type MuxWriter struct {
|
||||
sync.Mutex
|
||||
fd *os.File
|
||||
@ -81,19 +81,18 @@ func (l *MuxWriter) SetFd(fd *os.File) {
|
||||
// NewFileWriter create a FileLogWriter returning as LoggerInterface.
|
||||
func newFileWriter() Logger {
|
||||
w := &fileLogWriter{
|
||||
Filename: "",
|
||||
MaxLines: 1000000,
|
||||
MaxSize: 1 << 28, //256 MB
|
||||
Daily: true,
|
||||
MaxDays: 7,
|
||||
Rotate: true,
|
||||
Level: LevelTrace,
|
||||
Perm: 0660,
|
||||
Filename: "",
|
||||
MaxLines: 1000000,
|
||||
MaxSize: 1 << 28, //256 MB
|
||||
Daily: true,
|
||||
MaxDays: 7,
|
||||
Rotate: true,
|
||||
Level: LevelTrace,
|
||||
Perm: 0660,
|
||||
MuxWriter: new(MuxWriter),
|
||||
}
|
||||
// use MuxWriter instead direct use os.File for lock write when rotate
|
||||
w.mw = new(MuxWriter)
|
||||
// set MuxWriter as Logger's io.Writer
|
||||
w.Logger = log.New(w.mw, "", log.Ldate|log.Ltime)
|
||||
w.Logger = log.New(w, "", log.Ldate|log.Ltime)
|
||||
return w
|
||||
}
|
||||
|
||||
@ -126,7 +125,7 @@ func (w *fileLogWriter) startLogger() error {
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
w.mw.SetFd(fd)
|
||||
w.SetFd(fd)
|
||||
return w.initFd()
|
||||
}
|
||||
|
||||
@ -163,7 +162,7 @@ func (w *fileLogWriter) createLogFile() (*os.File, error) {
|
||||
}
|
||||
|
||||
func (w *fileLogWriter) initFd() error {
|
||||
fd := w.mw.fd
|
||||
fd := w.fd
|
||||
finfo, err := fd.Stat()
|
||||
if err != nil {
|
||||
return fmt.Errorf("get stat err: %s\n", err)
|
||||
@ -215,15 +214,15 @@ func (w *fileLogWriter) DoRotate() error {
|
||||
if err == nil { // file exists
|
||||
// Find the next available number
|
||||
num := 1
|
||||
fname := ""
|
||||
fName := ""
|
||||
suffix := filepath.Ext(w.Filename)
|
||||
filenameOnly := strings.TrimSuffix(w.Filename, suffix)
|
||||
if suffix == "" {
|
||||
suffix = ".log"
|
||||
}
|
||||
for ; err == nil && num <= 999; num++ {
|
||||
fname = filenameOnly + fmt.Sprintf(".%s.%03d%s", time.Now().Format("2006-01-02"), num, suffix)
|
||||
_, err = os.Lstat(fname)
|
||||
fName = filenameOnly + fmt.Sprintf(".%s.%03d%s", time.Now().Format("2006-01-02"), num, suffix)
|
||||
_, err = os.Lstat(fName)
|
||||
}
|
||||
// return error if the last file checked still existed
|
||||
if err == nil {
|
||||
@ -231,15 +230,15 @@ func (w *fileLogWriter) DoRotate() error {
|
||||
}
|
||||
|
||||
// block Logger's io.Writer
|
||||
w.mw.Lock()
|
||||
defer w.mw.Unlock()
|
||||
w.Lock()
|
||||
defer w.Unlock()
|
||||
|
||||
fd := w.mw.fd
|
||||
fd := w.fd
|
||||
fd.Close()
|
||||
|
||||
// close fd before rename
|
||||
// Rename the file to its newfound home
|
||||
err = os.Rename(w.Filename, fname)
|
||||
err = os.Rename(w.Filename, fName)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Rotate: %s\n", err)
|
||||
}
|
||||
@ -277,14 +276,14 @@ func (w *fileLogWriter) deleteOldLog() {
|
||||
|
||||
// Destroy close the file description, close file writer.
|
||||
func (w *fileLogWriter) Destroy() {
|
||||
w.mw.fd.Close()
|
||||
w.fd.Close()
|
||||
}
|
||||
|
||||
// Flush flush file logger.
|
||||
// there are no buffering messages in file logger in memory.
|
||||
// flush file means sync file from disk.
|
||||
func (w *fileLogWriter) Flush() {
|
||||
w.mw.fd.Sync()
|
||||
w.fd.Sync()
|
||||
}
|
||||
|
||||
func init() {
|
||||
|
Loading…
Reference in New Issue
Block a user