From 327536b6840e02e210eef4f80dfea70e78b54d1e Mon Sep 17 00:00:00 2001
From: Keivan Beigi <me@keivan.io>
Date: Thu, 8 Dec 2016 18:37:46 -0800
Subject: [PATCH] Added NoOp Performance Counter Manager

---
 .../Infrastructure/NoOpPerformanceCounter.cs  |  2 +-
 src/NzbDrone.SignalR/NzbDrone.SignalR.csproj  |  3 +-
 .../SignalrDependencyResolver.cs              |  3 ++
 .../SonarrPerformanceCounterManager.cs        | 54 +++++++++++++++++++
 4 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 src/NzbDrone.SignalR/SonarrPerformanceCounterManager.cs

diff --git a/src/Microsoft.AspNet.SignalR.Core/Infrastructure/NoOpPerformanceCounter.cs b/src/Microsoft.AspNet.SignalR.Core/Infrastructure/NoOpPerformanceCounter.cs
index ab3daade7..cf45a92fa 100644
--- a/src/Microsoft.AspNet.SignalR.Core/Infrastructure/NoOpPerformanceCounter.cs
+++ b/src/Microsoft.AspNet.SignalR.Core/Infrastructure/NoOpPerformanceCounter.cs
@@ -4,7 +4,7 @@ using System.Diagnostics;
 
 namespace Microsoft.AspNet.SignalR.Infrastructure
 {
-    internal class NoOpPerformanceCounter : IPerformanceCounter
+    public class NoOpPerformanceCounter : IPerformanceCounter
     {
         public string CounterName
         {
diff --git a/src/NzbDrone.SignalR/NzbDrone.SignalR.csproj b/src/NzbDrone.SignalR/NzbDrone.SignalR.csproj
index eeb3876e2..1e6091565 100644
--- a/src/NzbDrone.SignalR/NzbDrone.SignalR.csproj
+++ b/src/NzbDrone.SignalR/NzbDrone.SignalR.csproj
@@ -55,6 +55,7 @@
     <Compile Include="Serializer.cs" />
     <Compile Include="SignalrDependencyResolver.cs" />
     <Compile Include="SignalRMessage.cs" />
+    <Compile Include="SonarrPerformanceCounterManager.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.AspNet.SignalR.Core\Microsoft.AspNet.SignalR.Core.csproj">
@@ -82,4 +83,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>
\ No newline at end of file
diff --git a/src/NzbDrone.SignalR/SignalrDependencyResolver.cs b/src/NzbDrone.SignalR/SignalrDependencyResolver.cs
index 8d001d25f..f44f756a9 100644
--- a/src/NzbDrone.SignalR/SignalrDependencyResolver.cs
+++ b/src/NzbDrone.SignalR/SignalrDependencyResolver.cs
@@ -1,5 +1,6 @@
 using System;
 using Microsoft.AspNet.SignalR;
+using Microsoft.AspNet.SignalR.Infrastructure;
 using NzbDrone.Common.Composition;
 
 namespace NzbDrone.SignalR
@@ -16,6 +17,8 @@ namespace NzbDrone.SignalR
         private SignalrDependencyResolver(IContainer container)
         {
             _container = container;
+            var performanceCounterManager = new SonarrPerformanceCounterManager();
+            Register(typeof(IPerformanceCounterManager), () => performanceCounterManager);
         }
 
         public override object GetService(Type serviceType)
diff --git a/src/NzbDrone.SignalR/SonarrPerformanceCounterManager.cs b/src/NzbDrone.SignalR/SonarrPerformanceCounterManager.cs
new file mode 100644
index 000000000..fd1a9e4e3
--- /dev/null
+++ b/src/NzbDrone.SignalR/SonarrPerformanceCounterManager.cs
@@ -0,0 +1,54 @@
+using System.Threading;
+using Microsoft.AspNet.SignalR.Infrastructure;
+
+namespace NzbDrone.SignalR
+{
+    public class SonarrPerformanceCounterManager : IPerformanceCounterManager
+    {
+        private readonly IPerformanceCounter _counter = new NoOpPerformanceCounter();
+
+        public void Initialize(string instanceName, CancellationToken hostShutdownToken)
+        {
+            
+        }
+
+        public IPerformanceCounter LoadCounter(string categoryName, string counterName, string instanceName, bool isReadOnly)
+        {
+            return _counter;
+        }
+
+        public IPerformanceCounter ConnectionsConnected => _counter;
+        public IPerformanceCounter ConnectionsReconnected => _counter;
+        public IPerformanceCounter ConnectionsDisconnected => _counter;
+        public IPerformanceCounter ConnectionsCurrent => _counter;
+        public IPerformanceCounter ConnectionMessagesReceivedTotal => _counter;
+        public IPerformanceCounter ConnectionMessagesSentTotal => _counter;
+        public IPerformanceCounter ConnectionMessagesReceivedPerSec => _counter;
+        public IPerformanceCounter ConnectionMessagesSentPerSec => _counter;
+        public IPerformanceCounter MessageBusMessagesReceivedTotal => _counter;
+        public IPerformanceCounter MessageBusMessagesReceivedPerSec => _counter;
+        public IPerformanceCounter ScaleoutMessageBusMessagesReceivedPerSec => _counter;
+        public IPerformanceCounter MessageBusMessagesPublishedTotal => _counter;
+        public IPerformanceCounter MessageBusMessagesPublishedPerSec => _counter;
+        public IPerformanceCounter MessageBusSubscribersCurrent => _counter;
+        public IPerformanceCounter MessageBusSubscribersTotal => _counter;
+        public IPerformanceCounter MessageBusSubscribersPerSec => _counter;
+        public IPerformanceCounter MessageBusAllocatedWorkers => _counter;
+        public IPerformanceCounter MessageBusBusyWorkers => _counter;
+        public IPerformanceCounter MessageBusTopicsCurrent => _counter;
+        public IPerformanceCounter ErrorsAllTotal => _counter;
+        public IPerformanceCounter ErrorsAllPerSec => _counter;
+        public IPerformanceCounter ErrorsHubResolutionTotal => _counter;
+        public IPerformanceCounter ErrorsHubResolutionPerSec => _counter;
+        public IPerformanceCounter ErrorsHubInvocationTotal => _counter;
+        public IPerformanceCounter ErrorsHubInvocationPerSec => _counter;
+        public IPerformanceCounter ErrorsTransportTotal => _counter;
+        public IPerformanceCounter ErrorsTransportPerSec => _counter;
+        public IPerformanceCounter ScaleoutStreamCountTotal => _counter;
+        public IPerformanceCounter ScaleoutStreamCountOpen => _counter;
+        public IPerformanceCounter ScaleoutStreamCountBuffering => _counter;
+        public IPerformanceCounter ScaleoutErrorsTotal => _counter;
+        public IPerformanceCounter ScaleoutErrorsPerSec => _counter;
+        public IPerformanceCounter ScaleoutSendQueueLength => _counter;
+    }
+}
\ No newline at end of file