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https://github.com/Ryujinx/Ryujinx.git
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89 lines
2.8 KiB
C#
89 lines
2.8 KiB
C#
using Ryujinx.Common.Logging;
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using System;
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using System.Management;
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using System.Runtime.InteropServices;
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using System.Runtime.Versioning;
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namespace Ryujinx.Common.SystemInfo
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{
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[SupportedOSPlatform("windows")]
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partial class WindowsSystemInfo : SystemInfo
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{
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internal WindowsSystemInfo()
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{
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CpuName = $"{GetCpuidCpuName() ?? GetCpuNameWMI()} ; {LogicalCoreCount} logical"; // WMI is very slow
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(RamTotal, RamAvailable) = GetMemoryStats();
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}
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private static (ulong Total, ulong Available) GetMemoryStats()
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{
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MemoryStatusEx memStatus = new MemoryStatusEx();
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if (GlobalMemoryStatusEx(ref memStatus))
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{
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return (memStatus.TotalPhys, memStatus.AvailPhys); // Bytes
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}
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else
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{
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Logger.Error?.Print(LogClass.Application, $"GlobalMemoryStatusEx failed. Error {Marshal.GetLastWin32Error():X}");
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}
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return (0, 0);
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}
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private static string GetCpuNameWMI()
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{
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ManagementObjectCollection cpuObjs = GetWMIObjects("root\\CIMV2", "SELECT * FROM Win32_Processor");
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if (cpuObjs != null)
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{
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foreach (var cpuObj in cpuObjs)
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{
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return cpuObj["Name"].ToString().Trim();
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}
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}
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return Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER").Trim();
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}
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[StructLayout(LayoutKind.Sequential)]
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private struct MemoryStatusEx
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{
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public uint Length;
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public uint MemoryLoad;
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public ulong TotalPhys;
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public ulong AvailPhys;
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public ulong TotalPageFile;
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public ulong AvailPageFile;
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public ulong TotalVirtual;
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public ulong AvailVirtual;
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public ulong AvailExtendedVirtual;
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public MemoryStatusEx()
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{
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Length = (uint)Marshal.SizeOf<MemoryStatusEx>();
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}
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}
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[LibraryImport("kernel32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static partial bool GlobalMemoryStatusEx(ref MemoryStatusEx lpBuffer);
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private static ManagementObjectCollection GetWMIObjects(string scope, string query)
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{
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try
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{
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return new ManagementObjectSearcher(scope, query).Get();
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}
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catch (PlatformNotSupportedException ex)
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{
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Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
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}
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catch (COMException ex)
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{
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Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
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}
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return null;
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}
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}
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} |