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add hourly rotate file.go

This commit is contained in:
chenxiaonan01 2017-12-20 15:56:36 +08:00
parent bf5c5626ab
commit 07aa97aa9a

View File

@ -50,6 +50,12 @@ type fileLogWriter struct {
dailyOpenDate int
dailyOpenTime time.Time
// Rotate hourly
Hourly bool `json:"hourly"`
MaxHours int64 `json:"maxhours"`
hourlyOpenDate int
hourlyOpenTime time.Time
Rotate bool `json:"rotate"`
Level int `json:"level"`
@ -66,6 +72,8 @@ func newFileWriter() Logger {
w := &fileLogWriter{
Daily: true,
MaxDays: 7,
Hourly: false,
MaxHours: 168,
Rotate: true,
RotatePerm: "0440",
Level: LevelTrace,
@ -76,15 +84,15 @@ func newFileWriter() Logger {
// Init file logger with json config.
// jsonConfig like:
// {
// "filename":"logs/beego.log",
// "maxLines":10000,
// "maxsize":1024,
// "daily":true,
// "maxDays":15,
// "rotate":true,
// "perm":"0600"
// }
// {
// "filename":"logs/beego.log",
// "maxLines":10000,
// "maxsize":1024,
// "daily":true,
// "maxDays":15,
// "rotate":true,
// "perm":"0600"
// }
func (w *fileLogWriter) Init(jsonConfig string) error {
err := json.Unmarshal([]byte(jsonConfig), w)
if err != nil {
@ -119,6 +127,12 @@ func (w *fileLogWriter) needRotate(size int, day int) bool {
return (w.MaxLines > 0 && w.maxLinesCurLines >= w.MaxLines) ||
(w.MaxSize > 0 && w.maxSizeCurSize >= w.MaxSize) ||
(w.Daily && day != w.dailyOpenDate)
}
func (w *fileLogWriter) needRotateHourly(size int, hour int) bool {
return (w.MaxLines > 0 && w.maxLinesCurLines >= w.MaxLines) ||
(w.MaxSize > 0 && w.maxSizeCurSize >= w.MaxSize) ||
(w.Hourly && hour != w.hourlyOpenDate)
}
@ -127,14 +141,23 @@ func (w *fileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
if level > w.Level {
return nil
}
h, d := formatTimeHeader(when)
msg = string(h) + msg + "\n"
hd, d, h := formatTimeHeader(when)
msg = string(hd) + msg + "\n"
if w.Rotate {
w.RLock()
if w.needRotate(len(msg), d) {
if w.needRotateHourly(len(msg), h) {
w.RUnlock()
w.Lock()
if w.needRotate(len(msg), d) {
if w.needRotateHourly(len(msg), h) {
if err := w.doRotate(when); err != nil {
fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
}
}
w.Unlock()
} else if w.needRotateDaily(len(msg), d) {
w.RUnlock()
w.Lock()
if w.needRotateDaily(len(msg), d) {
if err := w.doRotate(when); err != nil {
fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
}
@ -178,8 +201,12 @@ func (w *fileLogWriter) initFd() error {
w.maxSizeCurSize = int(fInfo.Size())
w.dailyOpenTime = time.Now()
w.dailyOpenDate = w.dailyOpenTime.Day()
w.hourlyOpenTime = time.Now()
w.hourlyOpenDate = w.hourlyOpenTime.Hour()
w.maxLinesCurLines = 0
if w.Daily {
if w.Hourly {
go w.hourlyRotate(w.hourlyOpenTime)
} else if w.Daily {
go w.dailyRotate(w.dailyOpenTime)
}
if fInfo.Size() > 0 && w.MaxLines > 0 {
@ -198,7 +225,22 @@ func (w *fileLogWriter) dailyRotate(openTime time.Time) {
tm := time.NewTimer(time.Duration(nextDay.UnixNano() - openTime.UnixNano() + 100))
<-tm.C
w.Lock()
if w.needRotate(0, time.Now().Day()) {
if w.needRotateDaily(0, time.Now().Day()) {
if err := w.doRotate(time.Now()); err != nil {
fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
}
}
w.Unlock()
}
func (w *fileLogWriter) hourlyRotate(openTime time.Time) {
y, m, d := openTime.Add(1 * time.Hour).Date()
h, _, _ := openTime.Add(1 * time.Hour).Clock()
nextHour := time.Date(y, m, d, h, 0, 0, 0, openTime.Location())
tm := time.NewTimer(time.Duration(nextHour.UnixNano() - openTime.UnixNano() + 100))
<-tm.C
w.Lock()
if w.needRotateHourly(0, time.Now().Hour()) {
if err := w.doRotate(time.Now()); err != nil {
fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
}
@ -239,7 +281,10 @@ func (w *fileLogWriter) doRotate(logTime time.Time) error {
// file exists
// Find the next available number
num := 1
fmt.Println("num :", num)
fName := ""
format := ""
var openTime time.Time
rotatePerm, err := strconv.ParseInt(w.RotatePerm, 8, 64)
if err != nil {
return err
@ -251,19 +296,29 @@ func (w *fileLogWriter) doRotate(logTime time.Time) error {
goto RESTART_LOGGER
}
if w.Hourly {
format = "2006010215"
openTime = w.hourlyOpenTime
} else if w.Daily {
format = "2006-01-02"
openTime = w.dailyOpenTime
}
if w.MaxLines > 0 || w.MaxSize > 0 {
for ; err == nil && num <= 999; num++ {
fName = w.fileNameOnly + fmt.Sprintf(".%s.%03d%s", logTime.Format("2006-01-02"), num, w.suffix)
fName = w.fileNameOnly + fmt.Sprintf(".%s.%03d%s", logTime.Format(format), num, w.suffix)
_, err = os.Lstat(fName)
}
} else {
fName = fmt.Sprintf("%s.%s%s", w.fileNameOnly, w.dailyOpenTime.Format("2006-01-02"), w.suffix)
fName = fmt.Sprintf("%s.%s%s", w.fileNameOnly, openTime.Format(format), w.suffix)
_, err = os.Lstat(fName)
fmt.Println("befor fName:", fName)
for ; err == nil && num <= 999; num++ {
fName = w.fileNameOnly + fmt.Sprintf(".%s.%03d%s", w.dailyOpenTime.Format("2006-01-02"), num, w.suffix)
fName = w.fileNameOnly + fmt.Sprintf(".%s.%03d%s", openTime.Format(format), num, w.suffix)
_, err = os.Lstat(fName)
}
}
fmt.Println("after fName:", fName)
// return error if the last file checked still existed
if err == nil {
return fmt.Errorf("Rotate: Cannot find free log number to rename %s", w.Filename)
@ -314,6 +369,7 @@ func (w *fileLogWriter) deleteOldLog() {
os.Remove(path)
}
}
os.Exit(0)
return
})
}