New v2 project structure

Moonlight/Core/Helpers/HostSystemHelper.cs

@@ -0,0 +1,75 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+using MoonCore.Helpers;
+
+namespace Moonlight.Core.Helpers;
+
+public static class HostSystemHelper
+{
+    public static Task<string> GetOsName()
+    {
+        try
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                // Windows platform detected
+                var osVersion = Environment.OSVersion.Version;
+                return Task.FromResult($"Windows {osVersion.Major}.{osVersion.Minor}.{osVersion.Build}");
+            }
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                var releaseRaw = File
+                    .ReadAllLines("/etc/os-release")
+                    .FirstOrDefault(x => x.StartsWith("PRETTY_NAME="));
+
+                if (string.IsNullOrEmpty(releaseRaw))
+                    return Task.FromResult("Linux (unknown release)");
+
+                var release = releaseRaw
+                    .Replace("PRETTY_NAME=", "")
+                    .Replace("\"", "");
+                
+                if(string.IsNullOrEmpty(release))
+                    return Task.FromResult("Linux (unknown release)");
+
+                return Task.FromResult(release);
+            }
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                // macOS platform detected
+                var osVersion = Environment.OSVersion.Version;
+                return Task.FromResult($"macOS {osVersion.Major}.{osVersion.Minor}.{osVersion.Build}");
+            }
+
+            // Unknown platform
+            return Task.FromResult("N/A");
+        }
+        catch (Exception e)
+        {
+            Logger.Warn("Error retrieving os information");
+            Logger.Warn(e);
+
+            return Task.FromResult("N/A");
+        }
+    }
+
+    public static Task<long> GetMemoryUsage()
+    {
+        var process = Process.GetCurrentProcess();
+        var bytes = process.WorkingSet64;
+        return Task.FromResult(bytes);
+    }
+
+    public static Task<int> GetCpuUsage()
+    {
+        var process = Process.GetCurrentProcess();
+        var cpuTime = process.TotalProcessorTime;
+        var wallClockTime = DateTime.UtcNow - process.StartTime.ToUniversalTime();
+        
+        var cpuUsage = (int)(100.0 * cpuTime.TotalMilliseconds / wallClockTime.TotalMilliseconds / Environment.ProcessorCount);
+        
+        return Task.FromResult(cpuUsage);
+    }
+}