Function CleanupLogFiles

controller/performance.go:268–353

CleanupLogFiles 清理过期日志文件

(c *gin.Context)

// CleanupLogFiles 清理过期日志文件
func CleanupLogFiles(c *gin.Context) {
	mode := c.Query("mode")
	valueStr := c.Query("value")
	if mode != "by_count" && mode != "by_days" {
		common.ApiErrorMsg(c, "invalid mode, must be by_count or by_days")
		return
	}
	value, err := strconv.Atoi(valueStr)
	if err != nil || value < 1 {
		common.ApiErrorMsg(c, "invalid value, must be a positive integer")
		return
	}
	if *common.LogDir == "" {
		common.ApiErrorMsg(c, "log directory not configured")
		return
	}

	files, err := getLogFiles()
	if err != nil {
		common.ApiError(c, err)
		return
	}

	activeLogPath := logger.GetCurrentLogPath()
	var toDelete []LogFileInfo

	switch mode {
	case "by_count":
		// files 已按名称降序（最新在前），保留前 value 个
		for i, f := range files {
			if i < value {
				continue
			}
			fullPath := filepath.Join(*common.LogDir, f.Name)
			if fullPath == activeLogPath {
				continue
			}
			toDelete = append(toDelete, f)
		}
	case "by_days":
		cutoff := time.Now().AddDate(0, 0, -value)
		for _, f := range files {
			if f.ModTime.Before(cutoff) {
				fullPath := filepath.Join(*common.LogDir, f.Name)
				if fullPath == activeLogPath {
					continue
				}
				toDelete = append(toDelete, f)
			}
		}
	}

	var deletedCount int
	var freedBytes int64
	var failedFiles []string
	for _, f := range toDelete {
		fullPath := filepath.Join(*common.LogDir, f.Name)
		if err := os.Remove(fullPath); err != nil {