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Code Issues Releases Activity

code refactor and format

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This commit is contained in:
JessonChan 2016-01-13 09:24:27 +08:00
parent 7663d50c97
commit fb5b04506a
1 changed files with 35 additions and 34 deletions
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69
logs/file.go
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@ -238,44 +238,45 @@ func (w *fileLogWriter) lines() (int, error) {
// new file name like xx.2013-01-01.2.log
func (w *fileLogWriter) doRotate() error {
_, err := os.Lstat(w.Filename)
if err != nil {
return err
}
// file exists
// Find the next available number
num := 1
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)
}
// return error if the last file checked still existed
if err == nil {
// file exists
// Find the next available number
num := 1
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)
}
// return error if the last file checked still existed
if err == nil {
return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.Filename)
}
// close fileWriter before rename
w.fileWriter.Close()
// Rename the file to its new found name
// even if occurs error,we MUST guarantee to restart new logger
renameErr := os.Rename(w.Filename, fName)
// re-start logger
startLoggerErr := w.startLogger()
go w.deleteOldLog()
if startLoggerErr != nil {
return fmt.Errorf("Rotate StartLogger: %s\n", startLoggerErr)
}
if renameErr != nil {
return fmt.Errorf("Rotate: %s\n", renameErr)
}
return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.Filename)
}
// close fileWriter before rename
w.fileWriter.Close()
// Rename the file to its new found name
// even if occurs error,we MUST guarantee to restart new logger
renameErr := os.Rename(w.Filename, fName)
// re-start logger
startLoggerErr := w.startLogger()
go w.deleteOldLog()
if startLoggerErr != nil {
return fmt.Errorf("Rotate StartLogger: %s\n", startLoggerErr)
}
if renameErr != nil {
return fmt.Errorf("Rotate: %s\n", renameErr)
}
return nil
}
func (w *fileLogWriter) deleteOldLog() {