Moved GetThreadCount into KestrelServerInformation

src/Microsoft.AspNet.Server.Kestrel/KestrelServerInformation.cs

@@ -11,10 +11,10 @@ namespace Microsoft.AspNet.Server.Kestrel
 {
     public class KestrelServerInformation : IKestrelServerInformation, IServerAddressesFeature
     {
-        public KestrelServerInformation(IConfiguration configuration, int threadCount)
+        public KestrelServerInformation(IConfiguration configuration)
         {
             Addresses = GetAddresses(configuration);
-            ThreadCount = threadCount;
+            ThreadCount = GetThreadCount(configuration);
             NoDelay = true;
         }
 
@@ -39,5 +39,29 @@ namespace Microsoft.AspNet.Server.Kestrel
 
             return addresses;
         }
+
+        private static int GetThreadCount(IConfiguration configuration)
+        {
+            // Actual core count would be a better number
+            // rather than logical cores which includes hyper-threaded cores.
+            // Divide by 2 for hyper-threading, and good defaults (still need threads to do webserving).
+            // Can be user overriden using IKestrelServerInformation.ThreadCount
+            var threadCount = Environment.ProcessorCount >> 1;
+
+            if (threadCount < 1)
+            {
+                // Ensure shifted value is at least one
+                return 1;
+            }
+
+            if (threadCount > 16)
+            {
+                // Receive Side Scaling RSS Processor count currently maxes out at 16
+                // would be better to check the NIC's current hardware queues; but xplat...
+                return 16;
+            }
+
+            return threadCount;
+        }
     }
 }

src/Microsoft.AspNet.Server.Kestrel/ServerFactory.cs

@@ -27,36 +27,11 @@ namespace Microsoft.AspNet.Server.Kestrel
 
         public IServer CreateServer(IConfiguration configuration)
         {
-            var threadCount = GetThreadCount();
+            var information = new KestrelServerInformation(configuration);
-            var information = new KestrelServerInformation(configuration, threadCount);
             var serverFeatures = new FeatureCollection();
             serverFeatures.Set<IKestrelServerInformation>(information);
             serverFeatures.Set<IServerAddressesFeature>(information);
             return new KestrelServer(serverFeatures, _appLifetime, _loggerFactory.CreateLogger("Microsoft.AspNet.Server.Kestrel"));
         }
-
-        private static int GetThreadCount()
-        {
-            // Actual core count would be a better number
-            // rather than logical cores which includes hyper-threaded cores.
-            // Divide by 2 for hyper-threading, and good defaults (still need threads to do webserving).
-            // Can be user overriden using IKestrelServerInformation.ThreadCount
-            var threadCount = Environment.ProcessorCount >> 1;
-
-            if (threadCount < 1)
-            {
-                // Ensure shifted value is at least one
-                return 1;
-            }
-
-            if (threadCount > 16)
-            {
-                // Receive Side Scaling RSS Processor count currently maxes out at 16
-                // would be better to check the NIC's current hardware queues; but xplat...
-                return 16;
-            }
-
-            return threadCount;
-        }
     }
 }