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@ -1,8 +1,9 @@ |
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package logger |
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package support |
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import ( |
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"fmt" |
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"github.com/eyebluecn/tank/code/tool/util" |
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"github.com/robfig/cron" |
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"log" |
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"os" |
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"runtime" |
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@ -10,12 +11,8 @@ import ( |
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"time" |
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) |
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//日志系统必须高保
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//全局唯一的日志对象(在main函数中初始化)
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var LOGGER = &Logger{} |
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//在Logger的基础上包装一个全新的Logger.
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type Logger struct { |
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type TankLogger struct { |
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//加锁，在维护日志期间，禁止写入日志。
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sync.RWMutex |
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@ -23,12 +20,28 @@ type Logger struct { |
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goLogger *log.Logger |
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//日志记录所在的文件
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file *os.File |
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//每天凌晨定时整理器
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maintainTimer *time.Timer |
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} |
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func (this *TankLogger) Init() { |
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this.openFile() |
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//每日00:00整理日志。
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expression := "0 0 0 * * ?" |
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cronJob := cron.New() |
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err := cronJob.AddFunc(expression, this.maintain) |
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util.PanicError(err) |
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cronJob.Start() |
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this.Info("[cron job] 每日00:00维护日志") |
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} |
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func (this *TankLogger) Destroy() { |
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this.closeFile() |
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} |
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//处理日志的统一方法。
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func (this *Logger) log(prefix string, format string, v ...interface{}) { |
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func (this *TankLogger) Log(prefix string, format string, v ...interface{}) { |
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content := fmt.Sprintf(format+"\r\n", v...) |
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@ -52,44 +65,29 @@ func (this *Logger) log(prefix string, format string, v ...interface{}) { |
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} |
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//处理日志的统一方法。
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func (this *Logger) Debug(format string, v ...interface{}) { |
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this.log("[DEBUG]", format, v...) |
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func (this *TankLogger) Debug(format string, v ...interface{}) { |
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this.Log("[DEBUG]", format, v...) |
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} |
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func (this *Logger) Info(format string, v ...interface{}) { |
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this.log("[INFO ]", format, v...) |
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func (this *TankLogger) Info(format string, v ...interface{}) { |
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this.Log("[INFO ]", format, v...) |
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} |
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func (this *Logger) Warn(format string, v ...interface{}) { |
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this.log("[WARN ]", format, v...) |
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func (this *TankLogger) Warn(format string, v ...interface{}) { |
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this.Log("[WARN ]", format, v...) |
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} |
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func (this *Logger) Error(format string, v ...interface{}) { |
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this.log("[ERROR]", format, v...) |
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func (this *TankLogger) Error(format string, v ...interface{}) { |
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this.Log("[ERROR]", format, v...) |
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} |
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func (this *Logger) Panic(format string, v ...interface{}) { |
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this.log("[PANIC]", format, v...) |
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func (this *TankLogger) Panic(format string, v ...interface{}) { |
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this.Log("[PANIC]", format, v...) |
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panic(fmt.Sprintf(format, v...)) |
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} |
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func (this *Logger) Init() { |
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this.openFile() |
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//日志需要自我备份，自我维护。明天第一秒触发
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nextTime := util.FirstSecondOfDay(util.Tomorrow()) |
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duration := nextTime.Sub(time.Now()) |
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this.Info("下一次日志维护时间%s 距当前 %ds ", util.ConvertTimeToDateTimeString(nextTime), duration/time.Second) |
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this.maintainTimer = time.AfterFunc(duration, func() { |
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go util.SafeMethod(this.maintain) |
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}) |
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} |
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//将日志写入到今天的日期中(该方法内必须使用异步方法记录日志，否则会引发死锁)
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func (this *Logger) maintain() { |
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func (this *TankLogger) maintain() { |
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this.Info("每日维护日志") |
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@ -100,7 +98,7 @@ func (this *Logger) maintain() { |
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this.closeFile() |
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//日志归类到昨天
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destPath := util.GetLogPath() + "/tank-" + util.Yesterday().Local().Format("2006-01-02") + ".log" |
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destPath := util.GetLogPath() + "/tank-" + util.ConvertTimeToDateString(util.Yesterday()) + ".log" |
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//直接重命名文件
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err := os.Rename(this.fileName(), destPath) |
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@ -111,23 +109,33 @@ func (this *Logger) maintain() { |
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//再次打开文件
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this.openFile() |
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//准备好下次维护日志的时间。
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now := time.Now() |
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nextTime := util.FirstSecondOfDay(util.Tomorrow()) |
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duration := nextTime.Sub(now) |
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this.Info("下次维护时间：%s ", util.ConvertTimeToDateTimeString(nextTime)) |
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this.maintainTimer = time.AfterFunc(duration, func() { |
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go util.SafeMethod(this.maintain) |
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}) |
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//删除一个月之前的日志文件。
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monthAgo := time.Now() |
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monthAgo = monthAgo.AddDate(0, -1, 0) |
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oldDestPath := util.GetLogPath() + "/tank-" + util.ConvertTimeToDateString(monthAgo) + ".log" |
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this.Log("删除日志文件 %s", oldDestPath) |
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//删除文件
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exists, err := util.PathExists(oldDestPath) |
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util.PanicError(err) |
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if exists { |
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err = os.Remove(oldDestPath) |
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if err != nil { |
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this.Error("删除磁盘上的文件%s 出错 %s", oldDestPath, err.Error()) |
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} |
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} else { |
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this.Error("日志文件 %s 不存在，无需删除", oldDestPath) |
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} |
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} |
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//日志名称
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func (this *Logger) fileName() string { |
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func (this *TankLogger) fileName() string { |
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return util.GetLogPath() + "/tank.log" |
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} |
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//打开日志文件
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func (this *Logger) openFile() { |
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func (this *TankLogger) openFile() { |
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//日志输出到文件中 文件打开后暂时不关闭
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fmt.Printf("使用日志文件 %s\r\n", this.fileName()) |
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f, err := os.OpenFile(this.fileName(), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) |
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@ -137,11 +145,15 @@ func (this *Logger) openFile() { |
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this.goLogger = log.New(f, "", log.Ltime|log.Lshortfile) |
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if this.goLogger == nil { |
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fmt.Printf("Error: cannot create goLogger \r\n") |
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} |
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this.file = f |
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} |
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//关闭日志文件
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func (this *Logger) closeFile() { |
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func (this *TankLogger) closeFile() { |
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if this.file != nil { |
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err := this.file.Close() |
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if err != nil { |
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@ -149,13 +161,3 @@ func (this *Logger) closeFile() { |
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} |
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} |
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} |
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func (this *Logger) Destroy() { |
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this.closeFile() |
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if this.maintainTimer != nil { |
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this.maintainTimer.Stop() |
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} |
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} |
zicla
7 years ago