ANTOOZA-BACKEND/Admin/Pages/Server/Info.cshtml.cs

using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using System.Diagnostics;
using System.Management;
using System.Runtime.InteropServices;

namespace Admin.Areas.Identity.Pages.Server;

public class InfoModel : PageModel
{
    private readonly IHostEnvironment _env;

    // 앱, 호스트(Host)
    public required string EnvironmentName { get; set; }
    public required string ContentRootPath { get; set; }
    public required string ApplicationName { get; set; }

    // OS, Framework
    public required string OSDescription { get; set; }
    public required string OSArchitecture { get; set; }
    public required string FrameworkDescription { get; set; }
    public required string ProcessArchitecture { get; set; }

    public long WorkingSet { get; set; }
    public TimeSpan TotalCpuTime { get; set; }

    // 시스템
    public required string MachineName { get; set; }
    public required string CurrentDirectory { get; set; }
    public required string SystemDirectory { get; set; }
    public bool Is64BitOperatingSystem { get; set; }
    public bool Is64BitProcess { get; set; }
    public int ProcessorCount { get; set; }

    public required string TickCount { get; set; }

    public ManagementObjectCollection? CPU { get; private set; }
    public ManagementObjectCollection? Memory { get; private set; }
    public ManagementObjectCollection? Disk { get; private set; }

    public InfoModel(IHostEnvironment env)
    {
        _env = env;
    }

    public async Task<IActionResult> OnGetAsync()
    {
        var process = Process.GetCurrentProcess();

        // 앱, 호스트(Host) 관련
        EnvironmentName = _env.EnvironmentName;
        ContentRootPath = _env.ContentRootPath;
        ApplicationName = _env.ApplicationName;

        // OS, Framework 관련
        OSDescription = RuntimeInformation.OSDescription;
        OSArchitecture = RuntimeInformation.OSArchitecture.ToString();
        FrameworkDescription = RuntimeInformation.FrameworkDescription;
        ProcessArchitecture = RuntimeInformation.ProcessArchitecture.ToString();

        WorkingSet = process.WorkingSet64 / 1048576; // 물리 메모리 사용량(바이트)
        TotalCpuTime = process.TotalProcessorTime; // 프로세스 실행 시간

        // 시스템(환경변수) 관련
        MachineName = Environment.MachineName;
        CurrentDirectory = Environment.CurrentDirectory;
        SystemDirectory = Environment.SystemDirectory;
        Is64BitOperatingSystem = Environment.Is64BitOperatingSystem;
        Is64BitProcess = Environment.Is64BitProcess;
        ProcessorCount = Environment.ProcessorCount;

        // 시작 시각 등
        TickCount = TimeSpan.FromMicroseconds(Environment.TickCount).ToString(); // 시스템 시작 후 경과 시간(밀리초)

        // 플랫폼 조건부 코드로 Windows에서만 실행되도록 수정
        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
        {
            // CPU 정보
            CPU = new ManagementObjectSearcher("select * from Win32_Processor").Get();

            // 메모리 정보
            Memory = new ManagementObjectSearcher("select * from Win32_MemoryDevice").Get();

            // 디스크 정보
            Disk = new ManagementObjectSearcher("select * from Win32_DiskDrive").Get();
        }

        return Page();
    }
}