source code checkin

src/ServerManager.Common/Converters/ProcessorAffinityConverter.cs

@@ -0,0 +1,49 @@
+using ServerManagerTool.Common.Utils;
+using System;
+using System.Globalization;
+using System.Numerics;
+using System.Windows.Data;
+
+namespace ServerManagerTool.Common.Converters
+{
+    public class ProcessorAffinityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (!BigInteger.TryParse(value.ToString(), out BigInteger affinity))
+                return "Invalid";
+
+            if (!ProcessUtils.IsProcessorAffinityValid(affinity))
+                return "Invalid";
+
+            if (affinity == BigInteger.Zero)
+                return "All";
+
+            var result = string.Empty;
+            var delimiter = string.Empty;
+
+            var index = 0;
+            while (true)
+            {
+                var cpuValue = (BigInteger)Math.Pow(2, index);
+                if (cpuValue > affinity)
+                    break;
+
+                if ((affinity & cpuValue) == cpuValue)
+                {
+                    result = $"{result}{delimiter}{index}";
+                    delimiter = ", ";
+                }
+
+                index++;
+            }
+
+            return result;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new InvalidOperationException("ProcessorAffinityConverter can only be used OneWay.");
+        }
+    }
+}