C#实现磁盘空间实时预警监控功能

using System;
using System.IO;
using System.Timers;

namespace DiskMonitor
{
    class Program
    {
        // 预警阈值（百分比）
        private const double WarningThreshold = 10; // 10%
        // 检查间隔（毫秒）
        private const int CheckInterval = 60000; // 60秒

        static void Main(string[] args)
        {
            Console.WriteLine("磁盘空间预警器已启动。按 Ctrl+C 停止程序。");
            
            // 初始化定时器
            Timer timer = new Timer(CheckInterval);
            timer.Elapsed += CheckDiskSpace;
            timer.AutoReset = true;
            timer.Enabled = true;

            // 保持主线程运行
            Console.ReadLine();
        }

        private static void CheckDiskSpace(object source, ElapsedEventArgs e)
        {
            try
            {
                // 假设监控虚拟机存储所在的驱动器（例如 D 盘）
                string targetDrive = "D:\\";
                DriveInfo drive = new DriveInfo(targetDrive);

                if (drive.IsReady)
                {
                    double totalSpaceGB = drive.TotalSize / (1024.0 * 1024.0 * 1024.0);
                    double freeSpaceGB = drive.AvailableFreeSpace / (1024.0 * 1024.0 * 1024.0);
                    double freePercentage = (freeSpaceGB / totalSpaceGB) * 100;

                    Console.WriteLine($"[{DateTime.Now}] 检查磁盘 {drive.Name} 空间...");
                    Console.WriteLine($"总空间: {totalSpaceGB:F2} GB, 可用空间: {freeSpaceGB:F2} GB ({freePercentage:F2}%)");

                    if (freePercentage < WarningThreshold)
                    {
                        TriggerAlert(drive, freePercentage);
                    }
                }
                else
                {
                    Console.WriteLine($"驱动器 {targetDrive} 不可用。");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"检查磁盘空间时发生错误: {ex.Message}");
            }
        }

        private static void TriggerAlert(DriveInfo drive, double freePercentage)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine($"!!! 警告: 驱动器 {drive.Name} 剩余空间低于 {WarningThreshold}% (当前: {freePercentage:F2}%) !!!");
            Console.ResetColor();

            // 记录到日志文件
            string logMessage = $"[{DateTime.Now}] 驱动器 {drive.Name} 剩余空间不足: {freePercentage:F2}%";
            LogToFile(logMessage);

            // 发送邮件或短信通知（此处为示例）
            // SendEmailNotification(logMessage);
        }

        private static void LogToFile(string message)
        {
            string logFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "DiskMonitor", "disk_alert.log");
            Directory.CreateDirectory(Path.GetDirectoryName(logFilePath));
            File.AppendAllText(logFilePath, message + Environment.NewLine);
        }

        // 示例：发送邮件通知（需集成邮件库）
        private static void SendEmailNotification(string message)
        {
            // 使用 SmtpClient 或第三方库（如 MailKit）发送邮件
            Console.WriteLine("已触发邮件通知: " + message);
        }
    }
}

foreach (DriveInfo drive in DriveInfo.GetDrives())
{
    if (drive.IsReady)
    {
        // 执行监控逻辑
    }
}

{
  "DiskMonitor": {
    "WarningThreshold": 15,
    "CheckInterval": 30000
  }
}

var process = new Process
{
    StartInfo = new ProcessStartInfo
    {
        FileName = "/bin/sh",
        Arguments = "-c df -h",
        RedirectStandardOutput = true,
        UseShellExecute = false
    }
};
process.Start();
string output = process.StandardOutput.ReadToEnd();