Tls endpoint using wrong socket

Frameworks/MQTTnet.NetFramework/Implementations/MqttServerAdapter.cs

@@ -92,6 +92,9 @@ namespace MQTTnet.Implementations
                 catch (Exception exception) when (!(exception is ObjectDisposedException))
                 {
                     MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
+
+                    //excessive CPU consumed if in endless loop of socket errors
+                    Thread.Sleep(TimeSpan.FromSeconds(1));
                 }
             }
         }
@@ -102,7 +105,7 @@ namespace MQTTnet.Implementations
             {
                 try
                 {
-                    var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null);
+                    var clientSocket = await Task.Factory.FromAsync(_tlsEndpointSocket.BeginAccept, _tlsEndpointSocket.EndAccept, null);
 
                     var sslStream = new SslStream(new NetworkStream(clientSocket));
                     await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
@@ -113,6 +116,9 @@ namespace MQTTnet.Implementations
                 catch (Exception exception)
                 {
                     MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at TLS endpoint.");
+
+                    //excessive CPU consumed if in endless loop of socket errors
+                    Thread.Sleep(TimeSpan.FromSeconds(1));
                 }
             }
         }

Frameworks/MQTTnet.NetStandard/Implementations/MqttServerAdapter.cs

@@ -90,6 +90,9 @@ namespace MQTTnet.Implementations
                 catch (Exception exception)
                 {
                     MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
+
+                    //excessive CPU consumed if in endless loop of socket errors
+                    Thread.Sleep(TimeSpan.FromSeconds(1));
                 }
             }
         }
@@ -100,7 +103,7 @@ namespace MQTTnet.Implementations
             {
                 try
                 {
-                    var clientSocket = await _defaultEndpointSocket.AcceptAsync();
+                    var clientSocket = await _tlsEndpointSocket.AcceptAsync();
 
                     var sslStream = new SslStream(new NetworkStream(clientSocket));
                     await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
@@ -111,6 +114,9 @@ namespace MQTTnet.Implementations
                 catch (Exception exception)
                 {
                     MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at TLS endpoint.");
+
+                    //excessive CPU consumed if in endless loop of socket errors
+                    Thread.Sleep(TimeSpan.FromSeconds(1));
                 }
             }
         }

Frameworks/MQTTnet.NetStandard/MQTTnet.Netstandard.csproj

@@ -24,6 +24,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.Net.Security" Version="4.3.1" />
+    <PackageReference Include="System.Threading.Thread" Version="4.3.0" />
   </ItemGroup>
 
 </Project>

MQTTnet.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.16
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MQTTnet.Core.Tests", "Tests\MQTTnet.Core.Tests\MQTTnet.Core.Tests.csproj", "{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}"
 EndProject
@@ -96,18 +96,18 @@ Global
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|ARM.ActiveCfg = Debug|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|ARM.Build.0 = Debug|Any CPU
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x64.ActiveCfg = Debug|x64
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x64.Build.0 = Debug|x64
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x86.ActiveCfg = Debug|x86
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x86.Build.0 = Debug|x86
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x64.Build.0 = Debug|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|x86.Build.0 = Debug|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|Any CPU.Build.0 = Release|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|ARM.ActiveCfg = Release|Any CPU
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|ARM.Build.0 = Release|Any CPU
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x64.ActiveCfg = Release|x64
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x64.Build.0 = Release|x64
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.ActiveCfg = Release|x86
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.Build.0 = Release|x86
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x64.ActiveCfg = Release|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x64.Build.0 = Release|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.ActiveCfg = Release|Any CPU
+		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.Build.0 = Release|Any CPU
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|ARM.ActiveCfg = Debug|Any CPU
@@ -150,10 +150,10 @@ Global
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|ARM.ActiveCfg = Debug|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|ARM.Build.0 = Debug|Any CPU
-		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x64.ActiveCfg = Debug|x64
-		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x64.Build.0 = Debug|x64
-		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x86.ActiveCfg = Debug|x86
-		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x86.Build.0 = Debug|x86
+		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x64.Build.0 = Debug|Any CPU
+		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|x86.Build.0 = Debug|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|Any CPU.Build.0 = Release|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|ARM.ActiveCfg = Release|Any CPU
@@ -174,4 +174,7 @@ Global
 		{FF1F72D6-9524-4422-9497-3CC0002216ED} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2} = {32A630A7-2598-41D7-B625-204CD906F5FB}
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {07536672-5CBC-4BE3-ACE0-708A431A7894}
+	EndGlobalSection
 EndGlobal