Ryujinx/Ryujinx.Common/SystemInfo/LinuxSystemInfo.cs

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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Runtime.Versioning;
using Ryujinx.Common.Logging;
namespace Ryujinx.Common.SystemInfo
{
[SupportedOSPlatform("linux")]
class LinuxSystemInfo : SystemInfo
{
internal LinuxSystemInfo()
{
string cpuName = GetCpuidCpuName();
if (cpuName == null)
{
var cpuDict = new Dictionary<string, string>(StringComparer.Ordinal)
{
["model name"] = null,
["Processor"] = null,
["Hardware"] = null
};
ParseKeyValues("/proc/cpuinfo", cpuDict);
cpuName = cpuDict["model name"] ?? cpuDict["Processor"] ?? cpuDict["Hardware"] ?? "Unknown";
}
var memDict = new Dictionary<string, string>(StringComparer.Ordinal)
{
["MemTotal"] = null,
["MemAvailable"] = null
};
ParseKeyValues("/proc/meminfo", memDict);
// Entries are in KB
ulong.TryParse(memDict["MemTotal"]?.Split(' ')[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out ulong totalKB);
ulong.TryParse(memDict["MemAvailable"]?.Split(' ')[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out ulong availableKB);
CpuName = $"{cpuName} ; {LogicalCoreCount} logical";
RamTotal = totalKB * 1024;
RamAvailable = availableKB * 1024;
}
private static void ParseKeyValues(string filePath, Dictionary<string, string> itemDict)
{
if (!File.Exists(filePath))
{
Logger.Error?.Print(LogClass.Application, $"File \"{filePath}\" not found");
return;
}
int count = itemDict.Count;
using (StreamReader file = new StreamReader(filePath))
{
string line;
while ((line = file.ReadLine()) != null)
{
string[] kvPair = line.Split(':', 2, StringSplitOptions.TrimEntries);
if (kvPair.Length < 2) continue;
string key = kvPair[0];
if (itemDict.TryGetValue(key, out string value) && value == null)
{
itemDict[key] = kvPair[1];
if (--count <= 0) break;
}
}
}
}
}
}