只保存15天以内的日志文件

src/server/game/GameLogic.go

@@ -599,6 +599,7 @@ func (ad *GameLogic) CreateDailyLogFile() {
 		}
 		ad.Mlogger, ad.MloggerErr = log.NewDailyLog(now, "Debug", "log", l.LstdFlags)
 		if ad.MloggerErr != nil {
+			log.Debug(ad.MloggerErr.Error())
 			return
 		}
 		log.Export(ad.Mlogger)
@@ -607,6 +608,38 @@ func (ad *GameLogic) CreateDailyLogFile() {
 		log.Export(ad.Mlogger)
 	}
 	ad.Mlogger.Debug("CreateDailyLogFile")
+
+	// Remove logs older than 15 days
+	ad.RemoveOldLogs(15)
+}
+
+func (ad *GameLogic) RemoveOldLogs(days int) {
+	dir := conf.Server.LogPath
+	files, err := os.ReadDir(dir)
+	if err != nil {
+		log.Debug("Failed to read log directory: %v", err)
+		return
+	}
+
+	cutoff := time.Now().AddDate(0, 0, -days)
+	for _, file := range files {
+		if file.IsDir() {
+			continue
+		}
+		fileInfo, err := file.Info()
+		if err != nil {
+			log.Debug("Failed to get file info: %v", err)
+			continue
+		}
+		if fileInfo.ModTime().Before(cutoff) {
+			err := os.Remove(dir + "/" + file.Name())
+			if err != nil {
+				log.Debug("Failed to remove old log file: %v", err)
+			} else {
+				log.Debug("Removed old log file: %s", file.Name())
+			}
+		}
+	}
 }
 
 func (ad *GameLogic) RegisterNetWorkFunc() {