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