imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Hubs/Extensions/HubManagerExtensions.cs

@@ -0,0 +1,64 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Globalization;
+using Microsoft.AspNet.SignalR.Infrastructure;
+
+namespace Microsoft.AspNet.SignalR.Hubs
+{
+    public static class HubManagerExtensions
+    {
+        public static HubDescriptor EnsureHub(this IHubManager hubManager, string hubName, params IPerformanceCounter[] counters)
+        {
+            if (hubManager == null)
+            {
+                throw new ArgumentNullException("hubManager");
+            }
+
+            if (String.IsNullOrEmpty(hubName))
+            {
+                throw new ArgumentNullException("hubName");
+            }
+
+            if (counters == null)
+            {
+                throw new ArgumentNullException("counters");
+            }
+
+            var descriptor = hubManager.GetHub(hubName);
+
+            if (descriptor == null)
+            {
+                for (var i = 0; i < counters.Length; i++)
+                {
+                    counters[i].Increment();
+                }
+                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_HubCouldNotBeResolved, hubName));
+            }
+
+            return descriptor;
+        }
+
+        public static IEnumerable<HubDescriptor> GetHubs(this IHubManager hubManager)
+        {
+            if (hubManager == null)
+            {
+                throw new ArgumentNullException("hubManager");
+            }
+
+            return hubManager.GetHubs(d => true);
+        }
+
+        public static IEnumerable<MethodDescriptor> GetHubMethods(this IHubManager hubManager, string hubName)
+        {
+            if (hubManager == null)
+            {
+                throw new ArgumentNullException("hubManager");
+            }
+
+            return hubManager.GetHubMethods(hubName, m => true);
+        }
+    }
+}