Merge branch 'develop'

Move ReuseAddress to server options.
2026-10-15 00:15:15 +08:00 · 2019-06-28 10:20:51 +02:00 · 2019-06-27 15:20:27 +02:00 · 2019-06-27 10:02:59 +02:00 · 2019-06-27 10:02:47 +02:00 · 2019-06-26 11:42:44 +02:00
504 changed files with 28716 additions and 5644 deletions
@@ -0,0 +1,3 @@
+component_depth: 2
+languages:
+- csharp
@@ -197,7 +197,7 @@ ClientBin/
 *.dbmdl
 *.dbproj.schemaview
 *.jfm
-*.pfx
+# *.pfx
 *.publishsettings
 orleans.codegen.cs

@@ -235,6 +235,7 @@ FakesAssemblies/
 # Node.js Tools for Visual Studio
 .ntvs_analysis.dat
 node_modules/
+/*/**/package-lock.json

 # Typescript v1 declaration files
 typings/
@@ -286,4 +287,8 @@ __pycache__/
 *.btm.cs
 *.odx.cs
 *.xsd.cs
-Build/nuget.exe
+
+*.js
+*.map
+
+/Tests/MQTTnet.TestApp.NetCore/RetainedMessages.json
@@ -0,0 +1,33 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.AspNetCore</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is a support library to integrate MQTTnet into AspNetCore.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags>
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+
+      <dependency id="Microsoft.AspNetCore.Connections.Abstractions" version="2.1.3" />
+      <dependency id="Microsoft.AspNetCore.Http.Connections" version="1.0.3"  />
+      <dependency id="Microsoft.AspNetCore.WebSockets" version="2.1.1" />
+      <dependency id="Microsoft.Extensions.Hosting.Abstractions" version="2.1.1" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.AspNetCore\bin\Release\netstandard2.0\MQTTnet.AspNetCore.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.ManagedClient</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which provides a managed MQTT client with additional features using MQTTnet.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard1.3\MQTTnet.Extensions.ManagedClient.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\uap10.0\MQTTnet.Extensions.ManagedClient.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\net452\MQTTnet.Extensions.ManagedClient.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\net461\MQTTnet.Extensions.Rpc.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.Rpc</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which allows executing synchronous device calls including a response using MQTTnet.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard1.3\MQTTnet.Extensions.Rpc.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\uap10.0\MQTTnet.Extensions.Rpc.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\net452\MQTTnet.Extensions.Rpc.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\net461\MQTTnet.Extensions.Rpc.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.WebSocket4Net</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which allows using _WebSocket4Net_ as transport for MQTTnet clients.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\netstandard1.3\MQTTnet.Extensions.WebSocket4Net.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\netstandard2.0\MQTTnet.Extensions.WebSocket4Net.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\uap10.0\MQTTnet.Extensions.WebSocket4Net.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\net452\MQTTnet.Extensions.WebSocket4Net.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\net461\MQTTnet.Extensions.WebSocket4Net.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.NETStandard</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This package contains the .NET Standard version of MQTTnet only.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <group targetFramework="netstandard1.3">
+        <dependency id="NETStandard.Library" version="1.3.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />      
+      </group>
+      <group targetFramework="netstandard2.0">
+        <dependency id="NETStandard.Library" version="2.0.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />
+      </group>
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet\bin\Release\netstandard1.3\MQTTnet.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -2,46 +2,57 @@
 <package >
  <metadata>
    <id>MQTTnet</id>
-    <version>2.1.4</version>
+    <version>0.0.0</version>
    <authors>Christian Kratky</authors>
    <owners>Christian Kratky</owners>
-    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <license type="file">LICENSE</license>
    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker).</description>
-    <releaseNotes>* [.NET Standard] Added support for .NET Standard 1.3 (Thanks to 1iveowl)
-* [Server] Added an even which allows processing of all received messages from the clients
-* [Server] Fixed an issue when stopping the server
+    <description>MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker) and supports v3.1.0, v3.1.1 and v5.0.0 of the MQTT protocol.</description>
+    <releaseNotes>
+* [Server] Moved new socket options to TCP options to avoid incompatibility with Linux hosts.
    </releaseNotes>
-    <copyright>Copyright Christian Kratky 2016-2017</copyright>
-    <tags>MQTT MQTTClient MQTTServer MQTTBroker Broker</tags> 
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
    <dependencies>
-
      <group targetFramework="netstandard1.3">
-        <dependency id="NETStandard.Library" version="1.6.1" />
-        <dependency id="System.Net.Security" version="4.3.1" />
+        <dependency id="NETStandard.Library" version="1.3.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />      
+      </group>
+      <group targetFramework="netstandard2.0">
+        <dependency id="NETStandard.Library" version="2.0.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />
      </group>
-      
      <group targetFramework="uap10.0">
-        <dependency id="Microsoft.NETCore.UniversalWindowsPlatform" version="5.3.3" />
+        <dependency id="Microsoft.NETCore.UniversalWindowsPlatform" version="6.2.8" />
      </group>
-
    </dependencies>
  </metadata>

  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
    <!-- .NET Standard 1.3 -->
-    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\netstandard1.3\MQTTnet.Core.*" target="lib\netstandard1.3\"/>
-    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\netstandard1.3\MQTTnet.*" target="lib\netstandard1.3\"/>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard1.3\MQTTnet.*" target="lib\netstandard1.3\"/>
+    
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\netstandard2.0\"/>

    <!-- Universal Windows -->
-    <file src="..\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.Core.*" target="lib\uap10.0\"/>
-    <file src="..\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.*" target="lib\uap10.0\"/>
+    <file src="..\Source\MQTTnet\bin\Release\uap10.0\MQTTnet.*" target="lib\uap10.0\"/>

    <!-- .NET Framework -->
-    <file src="..\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.Core.*" target="lib\net45\"/>
-    <file src="..\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.*" target="lib\net45\"/>
-    
+    <file src="..\Source\MQTTnet\bin\Release\net452\MQTTnet.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet\bin\Release\net461\MQTTnet.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
  </files>
 </package>
@@ -1,12 +1,120 @@
-param([string]$version)
+param([string]$assemblyVersion, [string]$nugetVersion)

-if ([string]::IsNullOrEmpty($version)) {$version = "0.0.1"}
+if ([string]::IsNullOrEmpty($assemblyVersion)) {$assemblyVersion = "0.0.1"}
+if ([string]::IsNullOrEmpty($nugetVersion)) {$nugetVersion = "0.0.1"}

-$msbuild = "MSBuild.exe"
-&$msbuild ..\Frameworks\MQTTnet.NetFramework\MQTTnet.NetFramework.csproj /t:Build /p:Configuration="Release"
-&$msbuild ..\Frameworks\MQTTnet.Netstandard\MQTTnet.Netstandard.csproj /t:Build /p:Configuration="Release"
-&$msbuild ..\Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj /t:Build /p:Configuration="Release"
+$vswhere = ${Env:\ProgramFiles(x86)} + '\Microsoft Visual Studio\Installer\vswhere'
+$msbuild = &$vswhere -products * -requires Microsoft.Component.MSBuild -latest -find MSBuild\**\Bin\MSBuild.exe
+
+Write-Host
+Write-Host "Assembly version = $assemblyVersion"
+Write-Host "Nuget version    = $nugetVersion"
+Write-Host "MSBuild path     = $msbuild"
+Write-Host
+
+# Build the core library
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the ASP.NET Core 2.0 extension
+&$msbuild ..\Source\MQTTnet.AspNetCore\MQTTnet.AspNetCore.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the RPC extension
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the Managed Client extension
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the WebSocket4Net extension
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Create NuGet packages.
+
+Invoke-WebRequest -Uri "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe" -OutFile "nuget.exe"
+
+Remove-Item .\NuGet -Force -Recurse -ErrorAction SilentlyContinue
+
+Copy-Item MQTTnet.AspNetCore.nuspec -Destination MQTTnet.AspNetCore.nuspec.old -Force
+(Get-Content MQTTnet.AspNetCore.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.AspNetCore.nuspec
+Copy-Item MQTTnet.Extensions.Rpc.nuspec -Destination MQTTnet.Extensions.Rpc.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.Rpc.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.Rpc.nuspec
+Copy-Item MQTTnet.Extensions.ManagedClient.nuspec -Destination MQTTnet.Extensions.ManagedClient.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.ManagedClient.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.ManagedClient.nuspec
+Copy-Item MQTTnet.Extensions.WebSocket4Net.nuspec -Destination MQTTnet.Extensions.WebSocket4Net.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.WebSocket4Net.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.WebSocket4Net.nuspec

-Remove-Item .\NuGet -Force -Recurse
 New-Item -ItemType Directory -Force -Path .\NuGet
-.\NuGet.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version
+.\nuget.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.NETStandard.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.AspNetCore.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.Rpc.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.ManagedClient.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.WebSocket4Net.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+
+Move-Item MQTTnet.AspNetCore.nuspec.old -Destination MQTTnet.AspNetCore.nuspec -Force
+Move-Item MQTTnet.Extensions.Rpc.nuspec.old -Destination MQTTnet.Extensions.Rpc.nuspec -Force
+Move-Item MQTTnet.Extensions.ManagedClient.nuspec.old -Destination MQTTnet.Extensions.ManagedClient.nuspec -Force
+Move-Item MQTTnet.Extensions.WebSocket4Net.nuspec.old -Destination MQTTnet.Extensions.WebSocket4Net.nuspec -Force
+
+Remove-Item "nuget.exe" -Force -Recurse -ErrorAction SilentlyContinue
+
+####################################################################
+
+# Build MQTTnet.Server Portable
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Portable-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Linux-x64
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime linux-x64 
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\linux-x64\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Linux-x64-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Linux-ARM
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime linux-arm 
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\linux-ARM\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Linux-ARM-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Windows-x64
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime win-x64
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\win-x64\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Windows-x64-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
@@ -0,0 +1,13 @@
+param([string]$apiKey)
+
+Invoke-WebRequest -Uri "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe" -OutFile "nuget.exe"
+
+$files = Get-ChildItem -Path ".\NuGet" -Filter "*.nupkg"
+foreach ($file in $files)
+{
+	Write-Host "Uploading: " $file
+
+	.\nuget.exe push $file.Fullname $apiKey -NoSymbols -Source https://api.nuget.org/v3/index.json
+}
+
+Remove-Item "nuget.exe" -Force -Recurse -ErrorAction SilentlyContinue
@@ -0,0 +1,9 @@
+# Import codeSigningKey.pfx
+In order to import the key for code signing on a new developer machine use the following command within the VS developer command line:
+
+> sn –i codeSigningKey.pfx VS_KEY_EFCA4C5B6DFD4B4F
+
+The container name may be different.
+
+# Check if the assembly has a strong name
+> sn -vf MQTTnet.dll
@@ -1,120 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _defaultEndpointSocket;
-        private Socket _tlsEndpointSocket;
-        private X509Certificate2 _tlsCertificate;
-
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-            _isRunning = true;
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
-                _defaultEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                if (options.TlsEndpointOptions.Certificate == null)
-                {
-                    throw new ArgumentException("TLS certificate is not set.");
-                }
-
-                _tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
-
-                _tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
-                _tlsEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _cancellationTokenSource?.Cancel(false);
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-
-            _tlsEndpointSocket?.Dispose();
-            _tlsEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null);
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, null), new DefaultMqttV311PacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception) when (!(exception is ObjectDisposedException))
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
-                }
-            }
-        }
-
-        private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null);
-
-                    var sslStream = new SslStream(new NetworkStream(clientSocket));
-                    await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
-                    
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, sslStream), new DefaultMqttV311PacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at TLS endpoint.");
-                }
-            }
-        }
-    }
-}
@@ -1,129 +0,0 @@
-using System;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private readonly Socket _socket;
-        private SslStream _sslStream;
-
-        public MqttTcpChannel()
-        {
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-        }
-
-        public MqttTcpChannel(Socket socket, SslStream sslStream)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-            _sslStream = sslStream;
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-            try
-            {
-                await Task.Factory.FromAsync(_socket.BeginConnect, _socket.EndConnect, options.Server, options.GetPort(), null);
-
-                if (options.TlsOptions.UseTls)
-                {
-                    _sslStream = new SslStream(new NetworkStream(_socket, true));
-                    await _sslStream.AuthenticateAsClientAsync(options.Server, LoadCertificates(options), SslProtocols.Tls12, options.TlsOptions.CheckCertificateRevocation);
-                }
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task DisconnectAsync()
-        {
-            try
-            {
-                _sslStream.Dispose();
-                _socket.Dispose();
-                return Task.FromResult(0);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task WriteAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                if (_sslStream != null)
-                {
-                    return _sslStream.WriteAsync(buffer, 0, buffer.Length);
-                }
-
-                return Task.Factory.FromAsync(
-                    // ReSharper disable once AssignNullToNotNullAttribute
-                    _socket.BeginSend(buffer, 0, buffer.Length, SocketFlags.None, null, null),
-                    _socket.EndSend);
-
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task ReadAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                if (_sslStream != null)
-                {
-                    return _sslStream.ReadAsync(buffer, 0, buffer.Length);
-                }
-
-                return Task.Factory.FromAsync(
-                    // ReSharper disable once AssignNullToNotNullAttribute
-                    _socket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, null, null),
-                    _socket.EndReceive);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-            _sslStream?.Dispose();
-        }
-
-        private static X509CertificateCollection LoadCertificates(MqttClientOptions options)
-        {
-            var certificates = new X509CertificateCollection();
-            if (options.TlsOptions.Certificates == null)
-            {
-                return certificates;
-            }
-
-            foreach (var certificate in options.TlsOptions.Certificates)
-            {
-                certificates.Add(new X509Certificate(certificate));
-            }
-
-            return certificates;
-        }
-    }
-}
@@ -1,123 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <TargetFrameworkProfile />
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|AnyCPU'">
-    <OutputPath>bin\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x86\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>bin\x86\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x86'">
-    <OutputPath>bin\x86\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x64\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
-    <OutputPath>bin\x64\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x64'">
-    <OutputPath>bin\x64\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="MqttClientFactory.cs" />
-    <Compile Include="MqttServerFactory.cs" />
-    <Compile Include="Implementations\MqttServerAdapter.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Implementations\MqttTcpChannel.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj">
-      <Project>{2ecb99e4-72d0-4c23-99ba-93d511d3967d}</Project>
-      <Name>MQTTnet.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
@@ -1,18 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory
-    {
-        public MqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(new MqttTcpChannel(), new DefaultMqttV311PacketSerializer()));
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,15 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-[assembly: AssemblyTitle("MQTTnet")]
-[assembly: AssemblyDescription("MQTTnet for .NET Framework")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Christian Kratky")]
-[assembly: AssemblyProduct("MQTTnet")]
-[assembly: AssemblyCopyright("Copyright © Christian Kratky 2016-2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-[assembly: ComVisible(false)]
-[assembly: Guid("a480ef90-0eaa-4d9a-b271-47a9c47f6f7d")]
-[assembly: AssemblyVersion("2.1.4.0")]
-[assembly: AssemblyFileVersion("2.1.4.0")]
@@ -1,118 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _defaultEndpointSocket;
-        private Socket _tlsEndpointSocket;
-        private X509Certificate2 _tlsCertificate;
-
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-            _isRunning = true;
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
-                _defaultEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                if (options.TlsEndpointOptions.Certificate == null)
-                {
-                    throw new ArgumentException("TLS certificate is not set.");
-                }
-
-                _tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
-
-                _tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
-                _tlsEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _cancellationTokenSource?.Cancel(false);
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-
-            _tlsEndpointSocket?.Dispose();
-            _tlsEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await _defaultEndpointSocket.AcceptAsync();
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, null), new DefaultMqttV311PacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
-                }
-            }
-        }
-
-        private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await _defaultEndpointSocket.AcceptAsync();
-
-                    var sslStream = new SslStream(new NetworkStream(clientSocket));
-                    await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
-                    
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, sslStream), new DefaultMqttV311PacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at TLS endpoint.");
-                }
-            }
-        }
-    }
-}
@@ -1,122 +0,0 @@
-using System;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private readonly Socket _socket;
-        private SslStream _sslStream;
-
-        public MqttTcpChannel()
-        {
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-        }
-
-        public MqttTcpChannel(Socket socket, SslStream sslStream)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-            _sslStream = sslStream;
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-            try
-            {
-                await _socket.ConnectAsync(options.Server, options.GetPort());
-                
-                if (options.TlsOptions.UseTls)
-                {
-                    _sslStream = new SslStream(new NetworkStream(_socket, true));
-                    await _sslStream.AuthenticateAsClientAsync(options.Server, LoadCertificates(options), SslProtocols.Tls12, options.TlsOptions.CheckCertificateRevocation);
-                }
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task DisconnectAsync()
-        {
-            try
-            {
-                _sslStream.Dispose();
-                _socket.Dispose();
-                return Task.FromResult(0);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task WriteAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                if (_sslStream != null)
-                {
-                    return _sslStream.WriteAsync(buffer, 0, buffer.Length);
-                }
-
-                return _socket.SendAsync(new ArraySegment<byte>(buffer), SocketFlags.None);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task ReadAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                if (_sslStream != null)
-                {
-                    return _sslStream.ReadAsync(buffer, 0, buffer.Length);
-                }
-
-                return _socket.ReceiveAsync(new ArraySegment<byte>(buffer), SocketFlags.None);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-            _sslStream?.Dispose();
-        }
-
-        private static X509CertificateCollection LoadCertificates(MqttClientOptions options)
-        {
-            var certificates = new X509CertificateCollection();
-            if (options.TlsOptions.Certificates == null)
-            {
-                return certificates;
-            }
-
-            foreach (var certificate in options.TlsOptions.Certificates)
-            {
-                certificates.Add(new X509Certificate(certificate));
-            }
-
-            return certificates;
-        }
-    }
-}
@@ -1,29 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard1.3</TargetFramework>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyVersion>2.1.4.0</AssemblyVersion>
-    <FileVersion>2.1.4.0</FileVersion>
-    <Version>0.0.0.0</Version>
-    <Company />
-    <Product />
-    <Description />
-    <Authors />
-    <PackageId />
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <PackageReference Include="System.Net.Security" Version="4.3.1" />
-  </ItemGroup>
-
-</Project>
@@ -1,18 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory
-    {
-        public MqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(new MqttTcpChannel(), new DefaultMqttV311PacketSerializer()));
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,64 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-using Windows.Networking.Sockets;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private StreamSocketListener _defaultEndpointSocket;
-        
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-            _isRunning = true;
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new StreamSocketListener();
-                _defaultEndpointSocket.BindServiceNameAsync(options.GetDefaultEndpointPort().ToString(), SocketProtectionLevel.PlainSocket).GetAwaiter().GetResult();
-                _defaultEndpointSocket.ConnectionReceived += AcceptDefaultEndpointConnectionsAsync;                
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                throw new NotSupportedException("TLS servers are not supported for UWP apps.");
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private void AcceptDefaultEndpointConnectionsAsync(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
-        {
-            try
-            {
-                var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(args.Socket), new DefaultMqttV311PacketSerializer());
-                ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(args.Socket.Information.RemoteAddress.ToString(), clientAdapter));
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
-            }
-        }
-    }
-}
@@ -1,120 +0,0 @@
-using System;
-using System.Linq;
-using System.Net.Sockets;
-using System.Runtime.InteropServices.WindowsRuntime;
-using System.Threading.Tasks;
-using Windows.Networking;
-using Windows.Networking.Sockets;
-using Windows.Security.Cryptography.Certificates;
-using Windows.Storage.Streams;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private readonly StreamSocket _socket;
-
-        public MqttTcpChannel()
-        {
-            _socket = new StreamSocket();
-        }
-
-        public MqttTcpChannel(StreamSocket socket)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-            try
-            {
-                if (!options.TlsOptions.UseTls)
-                {
-                    await _socket.ConnectAsync(new HostName(options.Server), options.GetPort().ToString());
-                }
-                else
-                {
-                    _socket.Control.ClientCertificate = LoadCertificate(options);
-
-                    if (!options.TlsOptions.CheckCertificateRevocation)
-                    {
-                        _socket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.IncompleteChain);
-                        _socket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.RevocationInformationMissing);
-                    }
-
-                    await _socket.ConnectAsync(new HostName(options.Server), options.GetPort().ToString(), SocketProtectionLevel.Tls12);
-                }
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public Task DisconnectAsync()
-        {
-            try
-            {
-                _socket.Dispose();
-                return Task.FromResult(0);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task WriteAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                await _socket.OutputStream.WriteAsync(buffer.AsBuffer());
-                await _socket.OutputStream.FlushAsync();
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task ReadAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                await _socket.InputStream.ReadAsync(buffer.AsBuffer(), (uint)buffer.Length, InputStreamOptions.None);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-        }
-
-        private static Certificate LoadCertificate(MqttClientOptions options)
-        {
-            if (options.TlsOptions.Certificates == null || !options.TlsOptions.Certificates.Any())
-            {
-                return null;
-            }
-
-            if (options.TlsOptions.Certificates.Count > 1)
-            {
-                throw new NotSupportedException("Only one client certificate is supported for UWP.");
-            }
-
-            return new Certificate(options.TlsOptions.Certificates.First().AsBuffer());
-        }
-    }
-}
@@ -1,192 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{BD60C727-D8E8-40C3-B8E3-C95A864AE611}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <DefaultLanguage>en-US</DefaultLanguage>
-    <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.15063.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
-    <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
-    <FileAlignment>512</FileAlignment>
-    <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <RuntimeIdentifiers>win10-arm;win10-arm-aot;win10-x86;win10-x86-aot;win10-x64;win10-x64-aot</RuntimeIdentifiers>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoWarn>CS1591</NoWarn>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoWarn>CS1591</NoWarn>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
-    <PlatformTarget>x86</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x86\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <PlatformTarget>x86</PlatformTarget>
-    <OutputPath>bin\x86\Release\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <DocumentationFile>bin\x86\Release\MQTTnet.XML</DocumentationFile>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|ARM'">
-    <PlatformTarget>ARM</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\ARM\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>full</DebugType>
-    <PlatformTarget>ARM</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|ARM'">
-    <PlatformTarget>ARM</PlatformTarget>
-    <OutputPath>bin\ARM\Release\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>ARM</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <DocumentationFile>bin\ARM\Release\MQTTnet.XML</DocumentationFile>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
-    <PlatformTarget>x64</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x64\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
-    <PlatformTarget>x64</PlatformTarget>
-    <OutputPath>bin\x64\Release\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008,CS1591</NoWarn>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <GenerateLibraryLayout>false</GenerateLibraryLayout>
-    <DocumentationFile>bin\x64\Release\MQTTnet.XML</DocumentationFile>
-  </PropertyGroup>
-  <ItemGroup>
-    <Compile Include="MqttClientFactory.cs" />
-    <Compile Include="Implementations\MqttServerAdapter.cs" />
-    <Compile Include="MqttServerFactory.cs" />
-    <Compile Include="Implementations\MqttTcpChannel.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <EmbeddedResource Include="Properties\MQTTnet.Universal.rd.xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj">
-      <Project>{2ecb99e4-72d0-4c23-99ba-93d511d3967d}</Project>
-      <Name>MQTTnet.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
-      <Version>5.3.3</Version>
-    </PackageReference>
-  </ItemGroup>
-  <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
-    <VisualStudioVersion>14.0</VisualStudioVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|AnyCPU'">
-    <OutputPath>bin\Any CPU\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <Optimize>true</Optimize>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x86'">
-    <OutputPath>bin\x86\Any CPU\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <DocumentationFile>bin\x86\Release\MQTTnet.XML</DocumentationFile>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008</NoWarn>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|ARM'">
-    <OutputPath>bin\ARM\Any CPU\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <DocumentationFile>bin\ARM\Release\MQTTnet.XML</DocumentationFile>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008</NoWarn>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>ARM</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x64'">
-    <OutputPath>bin\x64\Any CPU\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <DocumentationFile>bin\x64\Release\MQTTnet.XML</DocumentationFile>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008</NoWarn>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
@@ -1,18 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory
-    {
-        public MqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(new MqttTcpChannel(), new DefaultMqttV311PacketSerializer()));
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,14 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-[assembly: AssemblyTitle("MQTTnet")]
-[assembly: AssemblyDescription("MQTTnet for Universal Windows")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Christian Kratky")]
-[assembly: AssemblyProduct("MQTTnet")]
-[assembly: AssemblyCopyright("Copyright © Christian Kratky 2016-2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-[assembly: ComVisible(false)]
-[assembly: AssemblyVersion("2.1.4.0")]
-[assembly: AssemblyFileVersion("2.1.4.0")]
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">
-  <Library Name="MQTTnet.Universal">
-  </Library>
-</Directives>
@@ -1,6 +1,6 @@
 MIT License

-Copyright (c) 2017 Christian
+MQTTnet Copyright (c) 2016-2019 Christian Kratky

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -1,18 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Adapter
-{
-    public interface IMqttCommunicationAdapter
-    {
-        Task ConnectAsync(MqttClientOptions options, TimeSpan timeout);
-
-        Task DisconnectAsync();
-
-        Task SendPacketAsync(MqttBasePacket packet, TimeSpan timeout);
-
-        Task<MqttBasePacket> ReceivePacketAsync(TimeSpan timeout);
-    }
-}
@@ -1,14 +0,0 @@
-using System;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet.Core.Adapter
-{
-    public interface IMqttServerAdapter
-    {
-        event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        void Start(MqttServerOptions options);
-
-        void Stop();
-    }
-}
@@ -1,88 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Serializer;
-
-namespace MQTTnet.Core.Adapter
-{
-    public class MqttChannelCommunicationAdapter : IMqttCommunicationAdapter
-    {
-        private readonly IMqttPacketSerializer _serializer;
-        private readonly IMqttCommunicationChannel _channel;
-
-        public MqttChannelCommunicationAdapter(IMqttCommunicationChannel channel, IMqttPacketSerializer serializer)
-        {
-            _channel = channel ?? throw new ArgumentNullException(nameof(channel));
-            _serializer = serializer ?? throw new ArgumentNullException(nameof(serializer));
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options, TimeSpan timeout)
-        {
-            var task = _channel.ConnectAsync(options);
-            if (await Task.WhenAny(Task.Delay(timeout), task) != task)
-            {
-                throw new MqttCommunicationTimedOutException();
-            }
-        }
-
-        public async Task DisconnectAsync()
-        {
-            await _channel.DisconnectAsync();
-        }
-
-        public async Task SendPacketAsync(MqttBasePacket packet, TimeSpan timeout)
-        {
-            MqttTrace.Information(nameof(MqttChannelCommunicationAdapter), $"TX >>> {packet} [Timeout={timeout}]");
-
-            bool hasTimeout;
-            try
-            {
-                var task = _serializer.SerializeAsync(packet, _channel);
-                hasTimeout = await Task.WhenAny(Task.Delay(timeout), task) != task;
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-
-            if (hasTimeout)
-            {
-                throw new MqttCommunicationTimedOutException();
-            }
-        }
-
-        public async Task<MqttBasePacket> ReceivePacketAsync(TimeSpan timeout)
-        {
-            MqttBasePacket packet;
-            if (timeout > TimeSpan.Zero)
-            {
-                var workerTask = _serializer.DeserializeAsync(_channel);
-                var timeoutTask = Task.Delay(timeout);
-                var hasTimeout = Task.WhenAny(timeoutTask, workerTask) == timeoutTask;
-
-                if (hasTimeout)
-                {
-                    throw new MqttCommunicationTimedOutException();
-                }
-
-                packet = workerTask.Result;
-            }
-            else
-            {
-                packet = await _serializer.DeserializeAsync(_channel);
-            }
-
-            if (packet == null)
-            {
-                throw new MqttProtocolViolationException("Received malformed packet.");
-            }
-
-            MqttTrace.Information(nameof(MqttChannelCommunicationAdapter), $"RX <<< {packet}");
-            return packet;
-        }
-    }
-}
@@ -1,17 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Adapter
-{
-    public class MqttClientConnectedEventArgs : EventArgs
-    {
-        public MqttClientConnectedEventArgs(string identifier, IMqttCommunicationAdapter clientAdapter)
-        {
-            Identifier = identifier ?? throw new ArgumentNullException(nameof(identifier));
-            ClientAdapter = clientAdapter ?? throw new ArgumentNullException(nameof(clientAdapter));
-        }
-
-        public string Identifier { get; }
-
-        public IMqttCommunicationAdapter ClientAdapter { get; }
-    }
-}
@@ -1,16 +0,0 @@
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Adapter
-{
-    public class MqttConnectingFailedException : MqttCommunicationException
-    {
-        public MqttConnectingFailedException(MqttConnectReturnCode returnCode) 
-            : base($"Connecting with MQTT server failed ({returnCode}).")
-        {
-            ReturnCode = returnCode;
-        }
-
-        public MqttConnectReturnCode ReturnCode { get; }
-    }
-}
@@ -1,16 +0,0 @@
-using System.Threading.Tasks;
-using MQTTnet.Core.Client;
-
-namespace MQTTnet.Core.Channel
-{
-    public interface IMqttCommunicationChannel
-    {
-        Task ConnectAsync(MqttClientOptions options);
-
-        Task DisconnectAsync();
-
-        Task WriteAsync(byte[] buffer);
-
-        Task ReadAsync(byte[] buffer);
-    }
-}
@@ -1,14 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttApplicationMessageReceivedEventArgs : EventArgs
-    {
-        public MqttApplicationMessageReceivedEventArgs(MqttApplicationMessage applicationMessage)
-        {
-            ApplicationMessage = applicationMessage ?? throw new ArgumentNullException(nameof(applicationMessage));
-        }
-
-        public MqttApplicationMessage ApplicationMessage { get; }
-    }
-}
@@ -1,375 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttClient
-    {
-        private readonly ConcurrentDictionary<ushort, MqttPublishPacket> _pendingExactlyOncePublishPackets = new ConcurrentDictionary<ushort, MqttPublishPacket>();
-        private readonly HashSet<ushort> _processedPublishPackets = new HashSet<ushort>();
-
-        private readonly MqttPacketDispatcher _packetDispatcher = new MqttPacketDispatcher();
-        private readonly MqttClientOptions _options;
-        private readonly IMqttCommunicationAdapter _adapter;
-
-        private int _latestPacketIdentifier;
-        private CancellationTokenSource _cancellationTokenSource;
-
-        public MqttClient(MqttClientOptions options, IMqttCommunicationAdapter adapter)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-            _adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
-        }
-
-        public event EventHandler Connected;
-
-        public event EventHandler Disconnected;
-
-        public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
-
-        public bool IsConnected { get; private set; }
-
-        public async Task ConnectAsync(MqttApplicationMessage willApplicationMessage = null)
-        {
-            MqttTrace.Verbose(nameof(MqttClient), "Trying to connect.");
-
-            if (IsConnected)
-            {
-                throw new MqttProtocolViolationException("It is not allowed to connect with a server after the connection is established.");
-            }
-
-            var connectPacket = new MqttConnectPacket
-            {
-                ClientId = _options.ClientId,
-                Username = _options.UserName,
-                Password = _options.Password,
-                CleanSession = _options.CleanSession,
-                KeepAlivePeriod = (ushort)_options.KeepAlivePeriod.TotalSeconds,
-                WillMessage = willApplicationMessage
-            };
-
-            await _adapter.ConnectAsync(_options, _options.DefaultCommunicationTimeout);
-            MqttTrace.Verbose(nameof(MqttClient), "Connection with server established.");
-
-            _cancellationTokenSource = new CancellationTokenSource();
-            _latestPacketIdentifier = 0;
-            _processedPublishPackets.Clear();
-            _packetDispatcher.Reset();
-            IsConnected = true;
-
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-            Task.Run(() => ReceivePackets(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-
-            var response = await SendAndReceiveAsync<MqttConnAckPacket>(connectPacket);
-            if (response.ConnectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
-            {
-                await DisconnectAsync();
-                throw new MqttConnectingFailedException(response.ConnectReturnCode);
-            }
-
-            if (_options.KeepAlivePeriod != TimeSpan.Zero)
-            {
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-                Task.Run(() => SendKeepAliveMessagesAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-            }
-
-            Connected?.Invoke(this, EventArgs.Empty);
-        }
-
-        public async Task DisconnectAsync()
-        {
-            await SendAsync(new MqttDisconnectPacket());
-            await DisconnectInternalAsync();
-        }
-
-        public Task<IList<MqttSubscribeResult>> SubscribeAsync(params TopicFilter[] topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            return SubscribeAsync(topicFilters.ToList());
-        }
-
-        public async Task<IList<MqttSubscribeResult>> SubscribeAsync(IList<TopicFilter> topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-            if (!topicFilters.Any()) throw new MqttProtocolViolationException("At least one topic filter must be set [MQTT-3.8.3-3].");
-            ThrowIfNotConnected();
-
-            var subscribePacket = new MqttSubscribePacket
-            {
-                PacketIdentifier = GetNewPacketIdentifier(),
-                TopicFilters = topicFilters
-            };
-
-            var response = await SendAndReceiveAsync<MqttSubAckPacket>(subscribePacket);
-
-            if (response.SubscribeReturnCodes.Count != topicFilters.Count)
-            {
-                throw new MqttProtocolViolationException("The return codes are not matching the topic filters [MQTT-3.9.3-1].");
-            }
-
-            return topicFilters.Select((t, i) => new MqttSubscribeResult(t, response.SubscribeReturnCodes[i])).ToList();
-        }
-
-        public Task Unsubscribe(params string[] topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            return Unsubscribe(topicFilters.ToList());
-        }
-
-        public async Task Unsubscribe(IList<string> topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-            if (!topicFilters.Any()) throw new MqttProtocolViolationException("At least one topic filter must be set [MQTT-3.10.3-2].");
-            ThrowIfNotConnected();
-
-            var unsubscribePacket = new MqttUnsubscribePacket
-            {
-                PacketIdentifier = GetNewPacketIdentifier(),
-                TopicFilters = topicFilters
-            };
-
-            await SendAndReceiveAsync<MqttUnsubAckPacket>(unsubscribePacket);
-        }
-
-        public async Task PublishAsync(MqttApplicationMessage applicationMessage)
-        {
-            if (applicationMessage == null) throw new ArgumentNullException(nameof(applicationMessage));
-            ThrowIfNotConnected();
-
-            var publishPacket = applicationMessage.ToPublishPacket();
-
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                await SendAsync(publishPacket);
-            }
-            else if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
-            {
-                publishPacket.PacketIdentifier = GetNewPacketIdentifier();
-                await SendAndReceiveAsync<MqttPubAckPacket>(publishPacket);
-            }
-            else if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
-            {
-                publishPacket.PacketIdentifier = GetNewPacketIdentifier();
-                await SendAndReceiveAsync<MqttPubRecPacket>(publishPacket);
-                await SendAsync(publishPacket.CreateResponse<MqttPubCompPacket>());
-            }
-        }
-
-        private void ThrowIfNotConnected()
-        {
-            if (!IsConnected) throw new MqttCommunicationException("The client is not connected.");
-        }
-
-        private async Task DisconnectInternalAsync()
-        {
-            try
-            {
-                await _adapter.DisconnectAsync();
-            }
-            catch
-            {
-            }
-            finally
-            {
-                _cancellationTokenSource?.Cancel(false);
-                _cancellationTokenSource?.Dispose();
-                _cancellationTokenSource = null;
-
-                IsConnected = false;
-                Disconnected?.Invoke(this, EventArgs.Empty);
-            }
-        }
-
-        private Task ProcessReceivedPacketAsync(MqttBasePacket mqttPacket)
-        {
-            try
-            {
-                if (mqttPacket is MqttPingReqPacket)
-                {
-                    return SendAsync(new MqttPingRespPacket());
-                }
-
-                if (mqttPacket is MqttDisconnectPacket)
-                {
-                    return DisconnectAsync();
-                }
-
-                var publishPacket = mqttPacket as MqttPublishPacket;
-                if (publishPacket != null)
-                {
-                    return ProcessReceivedPublishPacket(publishPacket);
-                }
-
-                var pubRelPacket = mqttPacket as MqttPubRelPacket;
-                if (pubRelPacket != null)
-                {
-                    return ProcessReceivedPubRelPacket(pubRelPacket);
-                }
-
-                _packetDispatcher.Dispatch(mqttPacket);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Error while processing received packet.");
-            }
-
-            return Task.FromResult(0);
-        }
-
-        private void FireApplicationMessageReceivedEvent(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel != MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                _processedPublishPackets.Add(publishPacket.PacketIdentifier);
-            }
-
-            var applicationMessage = publishPacket.ToApplicationMessage();
-            ApplicationMessageReceived?.Invoke(this, new MqttApplicationMessageReceivedEventArgs(applicationMessage));
-        }
-
-        private Task ProcessReceivedPublishPacket(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                FireApplicationMessageReceivedEvent(publishPacket);
-                return Task.FromResult(0);
-            }
-
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
-            {
-                FireApplicationMessageReceivedEvent(publishPacket);
-                return SendAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-            }
-
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
-            {
-                _pendingExactlyOncePublishPackets[publishPacket.PacketIdentifier] = publishPacket;
-                return SendAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-            }
-
-            throw new InvalidOperationException();
-        }
-
-        private async Task ProcessReceivedPubRelPacket(MqttPubRelPacket pubRelPacket)
-        {
-            MqttPublishPacket originalPublishPacket;
-            if (!_pendingExactlyOncePublishPackets.TryRemove(pubRelPacket.PacketIdentifier, out originalPublishPacket))
-            {
-                throw new MqttCommunicationException();
-            }
-
-            await SendAsync(originalPublishPacket.CreateResponse<MqttPubCompPacket>());
-
-            FireApplicationMessageReceivedEvent(originalPublishPacket);
-        }
-
-        private Task SendAsync(MqttBasePacket packet)
-        {
-            return _adapter.SendPacketAsync(packet, _options.DefaultCommunicationTimeout);
-        }
-
-        private async Task<TResponsePacket> SendAndReceiveAsync<TResponsePacket>(MqttBasePacket requestPacket) where TResponsePacket : MqttBasePacket
-        {
-            bool ResponsePacketSelector(MqttBasePacket p)
-            {
-                var p1 = p as TResponsePacket;
-                if (p1 == null)
-                {
-                    return false;
-                }
-
-                var pi1 = requestPacket as IPacketWithIdentifier;
-                var pi2 = p as IPacketWithIdentifier;
-
-                if (pi1 != null && pi2 != null)
-                {
-                    if (pi1.PacketIdentifier != pi2.PacketIdentifier)
-                    {
-                        return false;
-                    }
-                }
-
-                return true;
-            }
-
-            await _adapter.SendPacketAsync(requestPacket, _options.DefaultCommunicationTimeout);
-            return (TResponsePacket)await _packetDispatcher.WaitForPacketAsync(ResponsePacketSelector, _options.DefaultCommunicationTimeout);
-        }
-
-        private ushort GetNewPacketIdentifier()
-        {
-            return (ushort)Interlocked.Increment(ref _latestPacketIdentifier);
-        }
-
-        private async Task SendKeepAliveMessagesAsync(CancellationToken cancellationToken)
-        {
-            MqttTrace.Information(nameof(MqttClient), "Start sending keep alive packets.");
-
-            try
-            {
-                while (!cancellationToken.IsCancellationRequested)
-                {
-                    await Task.Delay(_options.KeepAlivePeriod, cancellationToken);
-                    await SendAndReceiveAsync<MqttPingRespPacket>(new MqttPingReqPacket());
-                }
-            }
-            catch (MqttCommunicationException exception)
-            {
-                MqttTrace.Warning(nameof(MqttClient), exception, "MQTT communication error while receiving packets.");
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Warning(nameof(MqttClient), exception, "Error while sending/receiving keep alive packets.");
-            }
-            finally
-            {
-                MqttTrace.Information(nameof(MqttClient), "Stopped sending keep alive packets.");
-                await DisconnectInternalAsync();
-            }
-        }
-
-        private async Task ReceivePackets(CancellationToken cancellationToken)
-        {
-            MqttTrace.Information(nameof(MqttClient), "Start receiving packets.");
-            try
-            {
-                while (!cancellationToken.IsCancellationRequested)
-                {
-                    var mqttPacket = await _adapter.ReceivePacketAsync(TimeSpan.Zero);
-                    MqttTrace.Information(nameof(MqttClient), $"Received <<< {mqttPacket}");
-
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-                    Task.Run(() => ProcessReceivedPacketAsync(mqttPacket), cancellationToken);
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-                }
-            }
-            catch (MqttCommunicationException exception)
-            {
-                MqttTrace.Warning(nameof(MqttClient), exception, "MQTT communication error while receiving packets.");
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Error while receiving packets.");
-            }
-            finally
-            {
-                MqttTrace.Information(nameof(MqttClient), "Stopped receiving packets.");
-                await DisconnectInternalAsync();
-            }
-        }
-    }
-}
@@ -1,25 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttClientOptions
-    {
-        public string Server { get; set; }
-
-        public int? Port { get; set; }
-        
-        public MqttClientTlsOptions TlsOptions { get; } = new MqttClientTlsOptions();
-
-        public string UserName { get; set; }
-
-        public string Password { get; set; }
-
-        public string ClientId { get; set; } = Guid.NewGuid().ToString().Replace("-", string.Empty);
-
-        public bool CleanSession { get; set; } = true;
-
-        public TimeSpan KeepAlivePeriod { get; set; } = TimeSpan.FromSeconds(5);
-
-        public TimeSpan DefaultCommunicationTimeout { get; set; } = TimeSpan.FromSeconds(10);
-    }
-}
@@ -1,13 +0,0 @@
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttClientTlsOptions
-    {
-        public bool UseTls { get; set; }
-
-        public bool CheckCertificateRevocation { get; set; }
-
-        public List<byte[]> Certificates { get; set; }
-    }
-}
@@ -1,16 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttPacketAwaiter : TaskCompletionSource<MqttBasePacket>
-    {
-        public MqttPacketAwaiter(Func<MqttBasePacket, bool> packetSelector)
-        {
-            PacketSelector = packetSelector ?? throw new ArgumentNullException(nameof(packetSelector));
-        }
-
-        public Func<MqttBasePacket, bool> PacketSelector { get; }
-    }
-}
@@ -1,112 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttPacketDispatcher
-    {
-        private readonly object _syncRoot = new object();
-        private readonly List<MqttBasePacket> _receivedPackets = new List<MqttBasePacket>();
-        private readonly List<MqttPacketAwaiter> _packetAwaiters = new List<MqttPacketAwaiter>();
-
-        public async Task<MqttBasePacket> WaitForPacketAsync(Func<MqttBasePacket, bool> selector, TimeSpan timeout)
-        {
-            if (selector == null) throw new ArgumentNullException(nameof(selector));
-
-            var packetAwaiter = AddPacketAwaiter(selector);
-            DispatchPendingPackets();
-
-            var hasTimeout = await Task.WhenAny(Task.Delay(timeout), packetAwaiter.Task) != packetAwaiter.Task;
-            RemovePacketAwaiter(packetAwaiter);
-
-            if (hasTimeout)
-            {
-                MqttTrace.Warning(nameof(MqttPacketDispatcher), "Timeout while waiting for packet.");
-                throw new MqttCommunicationTimedOutException();
-            }
-
-            return packetAwaiter.Task.Result;
-        }
-
-        public void Dispatch(MqttBasePacket packet)
-        {
-            if (packet == null) throw new ArgumentNullException(nameof(packet));
-
-            var packetDispatched = false;
-            foreach (var packetAwaiter in GetPacketAwaiters())
-            {
-                if (packetAwaiter.PacketSelector(packet))
-                {
-                    packetAwaiter.SetResult(packet);
-                    packetDispatched = true;
-                    break;
-                }
-            }
-
-            lock (_syncRoot)
-            {
-                if (!packetDispatched)
-                {
-                    _receivedPackets.Add(packet);
-                }
-                else
-                {
-                    _receivedPackets.Remove(packet);
-                }
-            }
-        }
-
-        public void Reset()
-        {
-            lock (_syncRoot)
-            {
-                _packetAwaiters.Clear();
-                _receivedPackets.Clear();
-            }
-        }
-
-        private List<MqttPacketAwaiter> GetPacketAwaiters()
-        {
-            lock (_packetAwaiters)
-            {
-                return new List<MqttPacketAwaiter>(_packetAwaiters);
-            }
-        }
-
-        private MqttPacketAwaiter AddPacketAwaiter(Func<MqttBasePacket, bool> selector)
-        {
-            lock (_syncRoot)
-            {
-                var packetAwaiter = new MqttPacketAwaiter(selector);
-                _packetAwaiters.Add(packetAwaiter);
-                return packetAwaiter;
-            }
-        }
-
-        private void RemovePacketAwaiter(MqttPacketAwaiter packetAwaiter)
-        {
-            lock (_syncRoot)
-            {
-                _packetAwaiters.Remove(packetAwaiter);
-            }
-        }
-
-        private void DispatchPendingPackets()
-        {
-            List<MqttBasePacket> receivedPackets;
-            lock (_syncRoot)
-            {
-                receivedPackets = new List<MqttBasePacket>(_receivedPackets);
-            }
-
-            foreach (var pendingPacket in receivedPackets)
-            {
-                Dispatch(pendingPacket);
-            }
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttSubscribeResult
-    {
-        public MqttSubscribeResult(TopicFilter topicFilter, MqttSubscribeReturnCode returnCode)
-        {
-            TopicFilter = topicFilter;
-            ReturnCode = returnCode;
-        }
-
-        public TopicFilter TopicFilter { get; }
-
-        public MqttSubscribeReturnCode ReturnCode { get; }
-    }
-}
@@ -1,44 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Diagnostics
-{
-    public static class MqttTrace
-    {
-        public static event EventHandler<MqttTraceMessagePublishedEventArgs> TraceMessagePublished;
-
-        public static void Verbose(string source, string message)
-        {
-            Publish(source, MqttTraceLevel.Verbose, null, message);
-        }
-
-        public static void Information(string source, string message)
-        {
-            Publish(source, MqttTraceLevel.Information, null, message);
-        }
-
-        public static void Warning(string source, string message)
-        {
-            Publish(source, MqttTraceLevel.Warning, null, message);
-        }
-
-        public static void Warning(string source, Exception exception, string message)
-        {
-            Publish(source, MqttTraceLevel.Warning, exception, message);
-        }
-
-        public static void Error(string source, string message)
-        {
-            Publish(source, MqttTraceLevel.Error, null, message);
-        }
-
-        public static void Error(string source, Exception exception, string message)
-        {
-            Publish(source, MqttTraceLevel.Error, exception, message);
-        }
-
-        private static void Publish(string source, MqttTraceLevel traceLevel, Exception exception, string message)
-        {
-            TraceMessagePublished?.Invoke(null, new MqttTraceMessagePublishedEventArgs(Environment.CurrentManagedThreadId, source, traceLevel, message, exception));
-        }
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Diagnostics
-{
-    public enum  MqttTraceLevel
-    {
-        Verbose,
-        Information,
-        Warning,
-        Error
-    }
-}
@@ -1,26 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Diagnostics
-{
-    public sealed class MqttTraceMessagePublishedEventArgs : EventArgs
-    {
-        public MqttTraceMessagePublishedEventArgs(int threadId, string source, MqttTraceLevel level, string message, Exception exception)
-        {
-            ThreadId = threadId;
-            Source = source;
-            Level = level;
-            Message = message;
-            Exception = exception;
-        }
-
-        public int ThreadId { get; }
-
-        public string Source { get; }
-
-        public MqttTraceLevel Level { get; }
-
-        public string Message { get; }
-
-        public Exception Exception { get; }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Exceptions
-{
-    public sealed class MqttCommunicationTimedOutException : MqttCommunicationException
-    {
-    }
-}
@@ -1,12 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Exceptions
-{
-    public sealed class MqttProtocolViolationException : Exception
-    {
-        public MqttProtocolViolationException(string message) 
-            : base(message)
-        {
-        }
-    }
-}
@@ -1,32 +0,0 @@
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Core.Internal
-{
-    public sealed class AsyncGate
-    {
-        private readonly Queue<TaskCompletionSource<bool>> _waitingTasks = new Queue<TaskCompletionSource<bool>>();
-
-        public Task WaitOneAsync()
-        {
-            var tcs = new TaskCompletionSource<bool>();
-            lock (_waitingTasks)
-            {
-                _waitingTasks.Enqueue(tcs);
-            }
-
-            return tcs.Task;
-        }
-
-        public void Set()
-        {
-            lock (_waitingTasks)
-            {
-                if (_waitingTasks.Count > 0)
-                {
-                    _waitingTasks.Dequeue().SetResult(true);
-                }
-            }
-        }
-    }
-}
@@ -1,34 +0,0 @@
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Internal
-{
-    internal static class MqttApplicationMessageExtensions
-    {
-        public static MqttApplicationMessage ToApplicationMessage(this MqttPublishPacket publishPacket)
-        {
-            return new MqttApplicationMessage(
-                publishPacket.Topic,
-                publishPacket.Payload,
-                publishPacket.QualityOfServiceLevel,
-                publishPacket.Retain
-            );
-        }
-
-        public static MqttPublishPacket ToPublishPacket(this MqttApplicationMessage applicationMessage)
-        {
-            if (applicationMessage == null)
-            {
-                return null;
-            }
-
-            return new MqttPublishPacket
-            {
-                Topic = applicationMessage.Topic,
-                Payload = applicationMessage.Payload,
-                QualityOfServiceLevel = applicationMessage.QualityOfServiceLevel,
-                Retain = applicationMessage.Retain,
-                Dup = false
-            };
-        }
-    }
-}
@@ -1,34 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
-    <AssemblyName>MQTTnet.Core</AssemblyName>
-    <RootNamespace>MQTTnet.Core</RootNamespace>
-    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
-    <Description></Description>
-    <Product></Product>
-    <Company></Company>
-    <Authors></Authors>
-    <Version>0.0.0.0</Version>
-    <PackageId></PackageId>
-    <Copyright></Copyright>
-    <PackageProjectUrl></PackageProjectUrl>
-    <PackageIconUrl></PackageIconUrl>
-    <RepositoryUrl></RepositoryUrl>
-    <PackageTags></PackageTags>
-    <FileVersion>2.1.4.0</FileVersion>
-    <AssemblyVersion>2.1.4.0</AssemblyVersion>
-    <PackageLicenseUrl></PackageLicenseUrl>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|AnyCPU'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x64'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x86'" />
-
-</Project>
@@ -1,24 +0,0 @@
-using System;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core
-{
-    public sealed class MqttApplicationMessage
-    {
-        public MqttApplicationMessage(string topic, byte[] payload, MqttQualityOfServiceLevel qualityOfServiceLevel, bool retain)
-        {
-            Topic = topic ?? throw new ArgumentNullException(nameof(topic));
-            Payload = payload ?? throw new ArgumentNullException(nameof(payload));
-            QualityOfServiceLevel = qualityOfServiceLevel;
-            Retain = retain;
-        }
-
-        public string Topic { get; }
-
-        public byte[] Payload { get; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; }
-
-        public bool Retain { get; }
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public interface IPacketWithIdentifier
-    {
-        ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,25 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Packets
-{
-    public abstract class MqttBasePacket
-    {
-        public TResponsePacket CreateResponse<TResponsePacket>()
-        {
-            var responsePacket = Activator.CreateInstance<TResponsePacket>();
-            var responsePacketWithIdentifier = responsePacket as IPacketWithIdentifier;
-            if (responsePacketWithIdentifier != null)
-            {
-                var requestPacketWithIdentifier = this as IPacketWithIdentifier;
-                if (requestPacketWithIdentifier == null)
-                {
-                    throw new InvalidOperationException("Response packet has PacketIdentifier but request packet does not.");
-                }
-
-                responsePacketWithIdentifier.PacketIdentifier = requestPacketWithIdentifier.PacketIdentifier;
-            }
-
-            return responsePacket;
-        }
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public class MqttBasePublishPacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,16 +0,0 @@
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttConnAckPacket : MqttBasePacket
-    {
-        public bool IsSessionPresent { get; set; }
-
-        public MqttConnectReturnCode ConnectReturnCode { get; set; }
-
-        public override string ToString()
-        {
-            return $"{nameof(MqttConnAckPacket)}: [ConnectReturnCode={ConnectReturnCode}] [IsSessionPresent={IsSessionPresent}]";
-        }
-    }
-}
@@ -1,22 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttConnectPacket: MqttBasePacket
-    {
-        public string ClientId { get; set; }
-
-        public string Username { get; set; }
-
-        public string Password { get; set; }
-
-        public ushort KeepAlivePeriod { get; set; }
-
-        public bool CleanSession { get; set; }
-
-        public MqttApplicationMessage WillMessage { get; set; }
-
-        public override string ToString()
-        {
-            return $"{nameof(MqttConnectPacket)} [ClientId={ClientId}] [Username={Username}] [Password={Password}] [KeepAlivePeriod={KeepAlivePeriod}] [CleanSession={CleanSession}]";
-        }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttDisconnectPacket : MqttBasePacket
-    {
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPingReqPacket : MqttBasePacket
-    {
-        public override string ToString()
-        {
-            return nameof(MqttPingReqPacket);
-        }
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPingRespPacket : MqttBasePacket
-    {
-        public override string ToString()
-        {
-            return nameof(MqttPingRespPacket);
-        }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubAckPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubCompPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubRecPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubRelPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,24 +0,0 @@
-using System.Text;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPublishPacket : MqttBasePublishPacket
-    {
-        public bool Retain { get; set; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; set; }
-
-        public bool Dup { get; set; }
-
-        public string Topic { get; set; }
-
-        public byte[] Payload { get; set; }
-
-        public override string ToString()
-        {
-            return
-                $"{nameof(MqttPublishPacket)} [Topic={Topic}] [Payload={Encoding.UTF8.GetString(Payload, 0, Payload.Length)}] [QoSLevel={QualityOfServiceLevel}] [Dup={Dup}] [Retain={Retain}] [PacketIdentifier={PacketIdentifier}]";
-        }
-    }
-}
@@ -1,20 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttSubAckPacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-
-        public IList<MqttSubscribeReturnCode> SubscribeReturnCodes { get; set; } = new List<MqttSubscribeReturnCode>();
-
-        public override string ToString()
-        {
-            var subscribeReturnCodesText = string.Join(",", SubscribeReturnCodes.Select(f => f.ToString()));
-            return
-                $"{nameof(MqttSubAckPacket)} [PacketIdentifier={PacketIdentifier}] [SubscribeReturnCodes={subscribeReturnCodesText}]";
-        }
-    }
-}
@@ -1,19 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttSubscribePacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-        
-        public IList<TopicFilter> TopicFilters { get; set; } = new List<TopicFilter>();
-
-        public override string ToString()
-        {
-            var topicFiltersText = string.Join(",", TopicFilters.Select(f => $"{f.Topic}@{f.QualityOfServiceLevel}"));
-            return
-                $"{nameof(MqttSubscribePacket)} [PacketIdentifier={PacketIdentifier}] [TopicFilters={topicFiltersText}]";
-        }
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttUnsubAckPacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttUnsubscribePacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-        
-        public IList<string> TopicFilters { get; set; } = new List<string>();
-    }
-}
@@ -1,17 +0,0 @@
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class TopicFilter
-    {
-        public TopicFilter(string topic, MqttQualityOfServiceLevel qualityOfServiceLevel)
-        {
-            Topic = topic;
-            QualityOfServiceLevel = qualityOfServiceLevel;
-        }
-
-        public string Topic { get; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; }
-    }
-}
@@ -1,48 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class ByteReader
-    {
-        private readonly int _source;
-        private int _index;
-
-        public ByteReader(int source)
-        {
-            _source = source;
-        }
-
-        public bool Read()
-        {
-            if (_index >= 8)
-            {
-                throw new InvalidOperationException("End of byte reached.");
-            }
-
-            var result = ((1 << _index) & _source) > 0;
-            _index++;
-            return result;
-        }
-
-        public byte Read(int count)
-        {
-            if (_index + count > 8)
-            {
-                throw new InvalidOperationException("End of byte will be reached.");
-            }
-
-            var result = 0;
-            for (var i = 0; i < count; i++)
-            {
-                if (((1 << _index) & _source) > 0)
-                {
-                    result |= 1 << i;
-                }
-
-                _index++;
-            }
-
-            return (byte)result;
-        }
-    }
-}
@@ -1,36 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class ByteWriter
-    {
-        private int _index;
-        private int _byte;
-
-        public byte Value => (byte)_byte;
-
-        public void Write(int @byte, int count)
-        {
-            for (var i = 0; i < count; i++)
-            {
-                var value = ((1 << i) & @byte) > 0;
-                Write(value);
-            }
-        }
-
-        public void Write(bool bit)
-        {
-            if (_index >= 8)
-            {
-                throw new InvalidOperationException("End of the byte reached.");
-            }
-
-            if (bit)
-            {
-                _byte |= 1 << _index;
-            }
-
-            _index++;
-        }
-    }
-}
@@ -1,610 +0,0 @@
-using System;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class DefaultMqttV311PacketSerializer : IMqttPacketSerializer
-    {
-        public Task SerializeAsync(MqttBasePacket packet, IMqttCommunicationChannel destination)
-        {
-            if (packet == null) throw new ArgumentNullException(nameof(packet));
-            if (destination == null) throw new ArgumentNullException(nameof(destination));
-
-            var connectPacket = packet as MqttConnectPacket;
-            if (connectPacket != null)
-            {
-                return SerializeAsync(connectPacket, destination);
-            }
-
-            var connAckPacket = packet as MqttConnAckPacket;
-            if (connAckPacket != null)
-            {
-                return SerializeAsync(connAckPacket, destination);
-            }
-
-            var disconnectPacket = packet as MqttDisconnectPacket;
-            if (disconnectPacket != null)
-            {
-                return SerializeAsync(disconnectPacket, destination);
-            }
-
-            var pingReqPacket = packet as MqttPingReqPacket;
-            if (pingReqPacket != null)
-            {
-                return SerializeAsync(pingReqPacket, destination);
-            }
-
-            var pingRespPacket = packet as MqttPingRespPacket;
-            if (pingRespPacket != null)
-            {
-                return SerializeAsync(pingRespPacket, destination);
-            }
-
-            var publishPacket = packet as MqttPublishPacket;
-            if (publishPacket != null)
-            {
-                return SerializeAsync(publishPacket, destination);
-            }
-
-            var pubAckPacket = packet as MqttPubAckPacket;
-            if (pubAckPacket != null)
-            {
-                return SerializeAsync(pubAckPacket, destination);
-            }
-
-            var pubRecPacket = packet as MqttPubRecPacket;
-            if (pubRecPacket != null)
-            {
-                return SerializeAsync(pubRecPacket, destination);
-            }
-
-            var pubRelPacket = packet as MqttPubRelPacket;
-            if (pubRelPacket != null)
-            {
-                return SerializeAsync(pubRelPacket, destination);
-            }
-
-            var pubCompPacket = packet as MqttPubCompPacket;
-            if (pubCompPacket != null)
-            {
-                return SerializeAsync(pubCompPacket, destination);
-            }
-
-            var subscribePacket = packet as MqttSubscribePacket;
-            if (subscribePacket != null)
-            {
-                return SerializeAsync(subscribePacket, destination);
-            }
-
-            var subAckPacket = packet as MqttSubAckPacket;
-            if (subAckPacket != null)
-            {
-                return SerializeAsync(subAckPacket, destination);
-            }
-
-            var unsubscribePacket = packet as MqttUnsubscribePacket;
-            if (unsubscribePacket != null)
-            {
-                return SerializeAsync(unsubscribePacket, destination);
-            }
-
-            var unsubAckPacket = packet as MqttUnsubAckPacket;
-            if (unsubAckPacket != null)
-            {
-                return SerializeAsync(unsubAckPacket, destination);
-            }
-
-            throw new MqttProtocolViolationException("Packet type invalid.");
-        }
-
-        public async Task<MqttBasePacket> DeserializeAsync(IMqttCommunicationChannel source)
-        {
-            if (source == null) throw new ArgumentNullException(nameof(source));
-
-            using (var mqttPacketReader = new MqttPacketReader(source))
-            {
-                await mqttPacketReader.ReadToEndAsync();
-
-                switch (mqttPacketReader.ControlPacketType)
-                {
-                    case MqttControlPacketType.Connect:
-                        {
-                            return await DeserializeConnectAsync(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.ConnAck:
-                        {
-                            return await DeserializeConnAck(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.Disconnect:
-                        {
-                            return new MqttDisconnectPacket();
-                        }
-
-                    case MqttControlPacketType.Publish:
-                        {
-                            return await DeserializePublishAsync(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.PubAck:
-                        {
-                            return new MqttPubAckPacket
-                            {
-                                PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
-                            };
-                        }
-
-                    case MqttControlPacketType.PubRec:
-                        {
-                            return new MqttPubRecPacket
-                            {
-                                PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
-                            };
-                        }
-
-                    case MqttControlPacketType.PubRel:
-                        {
-                            return new MqttPubRelPacket
-                            {
-                                PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
-                            };
-                        }
-
-                    case MqttControlPacketType.PubComp:
-                        {
-                            return new MqttPubCompPacket
-                            {
-                                PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
-                            };
-                        }
-
-                    case MqttControlPacketType.PingReq:
-                        {
-                            return new MqttPingReqPacket();
-                        }
-
-                    case MqttControlPacketType.PingResp:
-                        {
-                            return new MqttPingRespPacket();
-                        }
-
-                    case MqttControlPacketType.Subscribe:
-                        {
-                            return await DeserializeSubscribeAsync(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.SubAck:
-                        {
-                            return await DeserializeSubAck(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.Unsubscibe:
-                        {
-                            return await DeserializeUnsubscribeAsync(mqttPacketReader);
-                        }
-
-                    case MqttControlPacketType.UnsubAck:
-                        {
-                            return new MqttUnsubAckPacket
-                            {
-                                PacketIdentifier = await mqttPacketReader.ReadRemainingDataUShortAsync()
-                            };
-                        }
-
-                    default:
-                        {
-                            throw new MqttProtocolViolationException($"Packet type ({(int)mqttPacketReader.ControlPacketType}) not supported.");
-                        }
-                }
-            }
-        }
-
-        private async Task<MqttBasePacket> DeserializeUnsubscribeAsync(MqttPacketReader reader)
-        {
-            var packet = new MqttUnsubscribePacket
-            {
-                PacketIdentifier = await reader.ReadRemainingDataUShortAsync(),
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.TopicFilters.Add(await reader.ReadRemainingDataStringWithLengthPrefixAsync());
-            }
-
-            return packet;
-        }
-
-        private async Task<MqttBasePacket> DeserializeSubscribeAsync(MqttPacketReader reader)
-        {
-            var packet = new MqttSubscribePacket
-            {
-                PacketIdentifier = await reader.ReadRemainingDataUShortAsync(),
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.TopicFilters.Add(new TopicFilter(
-                    await reader.ReadRemainingDataStringWithLengthPrefixAsync(),
-                    (MqttQualityOfServiceLevel)await reader.ReadRemainingDataByteAsync()));
-            }
-
-            return packet;
-        }
-
-        private async Task<MqttBasePacket> DeserializePublishAsync(MqttPacketReader reader)
-        {
-            var fixedHeader = new ByteReader(reader.FixedHeader);
-            var retain = fixedHeader.Read();
-            var qualityOfServiceLevel = (MqttQualityOfServiceLevel)fixedHeader.Read(2);
-            var dup = fixedHeader.Read();
-
-            var topic = await reader.ReadRemainingDataStringWithLengthPrefixAsync();
-
-            ushort packetIdentifier = 0;
-            if (qualityOfServiceLevel > MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                packetIdentifier = await reader.ReadRemainingDataUShortAsync();
-            }
-
-            var packet = new MqttPublishPacket
-            {
-                Retain = retain,
-                QualityOfServiceLevel = qualityOfServiceLevel,
-                Dup = dup,
-                Topic = topic,
-                Payload = await reader.ReadRemainingDataAsync(),
-                PacketIdentifier = packetIdentifier
-            };
-
-            return packet;
-        }
-
-        private async Task<MqttBasePacket> DeserializeConnectAsync(MqttPacketReader reader)
-        {
-            var packet = new MqttConnectPacket();
-
-            await reader.ReadRemainingDataByteAsync();
-            await reader.ReadRemainingDataByteAsync();
-
-            var protocolName = await reader.ReadRemainingDataAsync(4);
-
-            if (Encoding.UTF8.GetString(protocolName, 0, protocolName.Length) != "MQTT")
-            {
-                throw new MqttProtocolViolationException("Protocol name is not 'MQTT'.");
-            }
-
-            var protocolLevel = await reader.ReadRemainingDataByteAsync();
-            var connectFlags = await reader.ReadRemainingDataByteAsync();
-
-            var connectFlagsReader = new ByteReader(connectFlags);
-            connectFlagsReader.Read(); // Reserved.
-            packet.CleanSession = connectFlagsReader.Read();
-            var willFlag = connectFlagsReader.Read();
-            var willQoS = connectFlagsReader.Read(2);
-            var willRetain = connectFlagsReader.Read();
-            var passwordFlag = connectFlagsReader.Read();
-            var usernameFlag = connectFlagsReader.Read();
-
-            packet.KeepAlivePeriod = await reader.ReadRemainingDataUShortAsync();
-            packet.ClientId = await reader.ReadRemainingDataStringWithLengthPrefixAsync();
-
-            if (willFlag)
-            {
-                packet.WillMessage = new MqttApplicationMessage(
-                    await reader.ReadRemainingDataStringWithLengthPrefixAsync(),
-                    await reader.ReadRemainingDataWithLengthPrefixAsync(),
-                    (MqttQualityOfServiceLevel)willQoS,
-                    willRetain);
-            }
-
-            if (usernameFlag)
-            {
-                packet.Username = await reader.ReadRemainingDataStringWithLengthPrefixAsync();
-            }
-
-            if (passwordFlag)
-            {
-                packet.Password = await reader.ReadRemainingDataStringWithLengthPrefixAsync();
-            }
-
-            ValidateConnectPacket(packet);
-            return packet;
-        }
-
-        private async Task<MqttBasePacket> DeserializeSubAck(MqttPacketReader reader)
-        {
-            var packet = new MqttSubAckPacket
-            {
-                PacketIdentifier = await reader.ReadRemainingDataUShortAsync()
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.SubscribeReturnCodes.Add((MqttSubscribeReturnCode)await reader.ReadRemainingDataByteAsync());
-            }
-
-            return packet;
-        }
-
-        private async Task<MqttBasePacket> DeserializeConnAck(MqttPacketReader reader)
-        {
-            var variableHeader1 = await reader.ReadRemainingDataByteAsync();
-            var variableHeader2 = await reader.ReadRemainingDataByteAsync();
-
-            var packet = new MqttConnAckPacket
-            {
-                IsSessionPresent = new ByteReader(variableHeader1).Read(),
-                ConnectReturnCode = (MqttConnectReturnCode)variableHeader2
-            };
-
-            return packet;
-        }
-
-        private void ValidateConnectPacket(MqttConnectPacket packet)
-        {
-            if (string.IsNullOrEmpty(packet.ClientId) && !packet.CleanSession)
-            {
-                throw new MqttProtocolViolationException("CleanSession must be set if ClientId is empty [MQTT-3.1.3-7].");
-            }
-        }
-
-        private void ValidatePublishPacket(MqttPublishPacket packet)
-        {
-            if (packet.QualityOfServiceLevel == 0 && packet.Dup)
-            {
-                throw new MqttProtocolViolationException("Dup flag must be false for QoS 0 packets [MQTT-3.3.1-2].");
-            }
-        }
-
-        private static readonly byte[] MqttPrefix = Encoding.UTF8.GetBytes("MQTT");
-
-        private Task SerializeAsync(MqttConnectPacket packet, IMqttCommunicationChannel destination)
-        {
-            ValidateConnectPacket(packet);
-
-            using (var output = new MqttPacketWriter())
-            {
-                // Write variable header
-                output.Write(0x00, 0x04); // 3.1.2.1 Protocol Name
-                output.Write(MqttPrefix);
-                output.Write(0x04); // 3.1.2.2 Protocol Level
-
-                var connectFlags = new ByteWriter(); // 3.1.2.3 Connect Flags
-                connectFlags.Write(false); // Reserved
-                connectFlags.Write(packet.CleanSession);
-                connectFlags.Write(packet.WillMessage != null);
-
-                if (packet.WillMessage != null)
-                {
-                    connectFlags.Write((int)packet.WillMessage.QualityOfServiceLevel, 2);
-                    connectFlags.Write(packet.WillMessage.Retain);
-                }
-                else
-                {
-                    connectFlags.Write(0, 2);
-                    connectFlags.Write(false);
-                }
-                
-                connectFlags.Write(packet.Password != null);
-                connectFlags.Write(packet.Username != null);
-
-                output.Write(connectFlags);
-                output.Write(packet.KeepAlivePeriod);
-                output.WriteWithLengthPrefix(packet.ClientId);
-
-                if (packet.WillMessage != null)
-                {
-                    output.WriteWithLengthPrefix(packet.WillMessage.Topic);
-                    output.WriteWithLengthPrefix(packet.WillMessage.Payload);
-                }
-
-                if (packet.Username != null)
-                {
-                    output.WriteWithLengthPrefix(packet.Username);
-                }
-
-                if (packet.Password != null)
-                {
-                    output.WriteWithLengthPrefix(packet.Password);
-                }
-
-                output.InjectFixedHeader(MqttControlPacketType.Connect);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttConnAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                var connectAcknowledgeFlags = new ByteWriter();
-                connectAcknowledgeFlags.Write(packet.IsSessionPresent);
-
-                output.Write(connectAcknowledgeFlags);
-                output.Write((byte)packet.ConnectReturnCode);
-
-                output.InjectFixedHeader(MqttControlPacketType.ConnAck);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttDisconnectPacket packet, IMqttCommunicationChannel destination)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.Disconnect, destination);
-        }
-
-        private Task SerializeAsync(MqttPingReqPacket packet, IMqttCommunicationChannel destination)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.PingReq, destination);
-        }
-
-        private Task SerializeAsync(MqttPingRespPacket packet, IMqttCommunicationChannel destination)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.PingResp, destination);
-        }
-
-        private Task SerializeAsync(MqttPublishPacket packet, IMqttCommunicationChannel destination)
-        {
-            ValidatePublishPacket(packet);
-
-            using (var output = new MqttPacketWriter())
-            {
-                output.WriteWithLengthPrefix(packet.Topic);
-
-                if (packet.QualityOfServiceLevel > MqttQualityOfServiceLevel.AtMostOnce)
-                {
-                    output.Write(packet.PacketIdentifier);
-                }
-                else
-                {
-                    if (packet.PacketIdentifier > 0)
-                    {
-                        throw new MqttProtocolViolationException("Packet identifier must be empty if QoS == 0 [MQTT-2.3.1-5].");
-                    }
-                }
-
-                if (packet.Payload?.Length > 0)
-                {
-                    output.Write(packet.Payload);
-                }
-
-                var fixedHeader = new ByteWriter();
-                fixedHeader.Write(packet.Retain);
-                fixedHeader.Write((byte)packet.QualityOfServiceLevel, 2);
-                fixedHeader.Write(packet.Dup);
-
-                output.InjectFixedHeader(MqttControlPacketType.Publish, fixedHeader.Value);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttPubAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubAck);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttPubRecPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubRec);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttPubRelPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubRel, 0x02);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttPubCompPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubComp);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttSubscribePacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                if (packet.TopicFilters?.Count > 0)
-                {
-                    foreach (var topicFilter in packet.TopicFilters)
-                    {
-                        output.WriteWithLengthPrefix(topicFilter.Topic);
-                        output.Write((byte)topicFilter.QualityOfServiceLevel);
-                    }
-                }
-
-                output.InjectFixedHeader(MqttControlPacketType.Subscribe, 0x02);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttSubAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                if (packet.SubscribeReturnCodes?.Any() == true)
-                {
-                    foreach (var packetSubscribeReturnCode in packet.SubscribeReturnCodes)
-                    {
-                        output.Write((byte)packetSubscribeReturnCode);
-                    }
-                }
-
-                output.InjectFixedHeader(MqttControlPacketType.SubAck);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttUnsubscribePacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                if (packet.TopicFilters?.Any() == true)
-                {
-                    foreach (var topicFilter in packet.TopicFilters)
-                    {
-                        output.WriteWithLengthPrefix(topicFilter);
-                    }
-                }
-
-                output.InjectFixedHeader(MqttControlPacketType.Unsubscibe, 0x02);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeAsync(MqttUnsubAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.UnsubAck);
-                return output.WriteToAsync(destination);
-            }
-        }
-
-        private Task SerializeEmptyPacketAsync(MqttControlPacketType type, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.InjectFixedHeader(type);
-                return output.WriteToAsync(destination);
-            }
-        }
-    }
-}
@@ -1,13 +0,0 @@
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Serializer
-{
-    public interface IMqttPacketSerializer
-    {
-        Task SerializeAsync(MqttBasePacket mqttPacket, IMqttCommunicationChannel destination);
-
-        Task<MqttBasePacket> DeserializeAsync(IMqttCommunicationChannel source);
-    }
-}
@@ -1,140 +0,0 @@
-using System;
-using System.IO;
-using System.Text;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class MqttPacketReader : IDisposable
-    {
-        private readonly MemoryStream _remainingData = new MemoryStream();
-        private readonly IMqttCommunicationChannel _source;
-
-        private int _remainingLength;
-
-        public MqttPacketReader(IMqttCommunicationChannel source)
-        {
-            _source = source ?? throw new ArgumentNullException(nameof(source));
-        }
-
-        public MqttControlPacketType ControlPacketType { get; private set; }
-
-        public byte FixedHeader { get; private set; }
-
-        public bool EndOfRemainingData => _remainingData.Position == _remainingData.Length;
-
-        public async Task ReadToEndAsync()
-        {
-            await ReadFixedHeaderAsync();
-            await ReadRemainingLengthAsync();
-
-            if (_remainingLength == 0)
-            {
-                return;
-            }
-
-            var buffer = new byte[_remainingLength];
-            await ReadFromSourceAsync(buffer);
-            
-            _remainingData.Write(buffer, 0, buffer.Length);
-            _remainingData.Position = 0;
-        }
-
-        public async Task<byte> ReadRemainingDataByteAsync()
-        {
-            return (await ReadRemainingDataAsync(1))[0];
-        }
-
-        public async Task<ushort> ReadRemainingDataUShortAsync()
-        {
-            var buffer = await ReadRemainingDataAsync(2);
-
-            var temp = buffer[0];
-            buffer[0] = buffer[1];
-            buffer[1] = temp;
-
-            return BitConverter.ToUInt16(buffer, 0);
-        }
-
-        public async Task<string> ReadRemainingDataStringWithLengthPrefixAsync()
-        {
-            var buffer = await ReadRemainingDataWithLengthPrefixAsync();
-            return Encoding.UTF8.GetString(buffer, 0, buffer.Length);
-        }
-
-        public async Task<byte[]> ReadRemainingDataWithLengthPrefixAsync()
-        {
-            var length = await ReadRemainingDataUShortAsync();
-            return await ReadRemainingDataAsync(length);
-        }
-
-        public Task<byte[]> ReadRemainingDataAsync()
-        {
-            return ReadRemainingDataAsync(_remainingLength - (int)_remainingData.Position);
-        }
-
-        public async Task<byte[]> ReadRemainingDataAsync(int length)
-        {
-            var buffer = new byte[length];
-            await _remainingData.ReadAsync(buffer, 0, buffer.Length);
-
-            return buffer;
-        }
-
-        private async Task ReadRemainingLengthAsync()
-        {
-            // Alorithm taken from http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html.
-            var multiplier = 1;
-            var value = 0;
-            byte encodedByte;
-            do
-            {
-                encodedByte = await ReadStreamByteAsync();
-                value += (encodedByte & 127) * multiplier;
-                multiplier *= 128;
-                if (multiplier > 128 * 128 * 128)
-                {
-                    throw new MqttProtocolViolationException("Remaining length is ivalid.");
-                }
-            } while ((encodedByte & 128) != 0);
-
-            _remainingLength = value;
-        }
-
-        private Task ReadFromSourceAsync(byte[] buffer)
-        {
-            try
-            {
-                return _source.ReadAsync(buffer);
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        private async Task<byte> ReadStreamByteAsync()
-        {
-            var buffer = new byte[1];
-            await ReadFromSourceAsync(buffer);
-            return buffer[0];
-        }
-
-        private async Task ReadFixedHeaderAsync()
-        {
-            FixedHeader = await ReadStreamByteAsync();
-
-            var byteReader = new ByteReader(FixedHeader);
-            byteReader.Read(4);
-            ControlPacketType = (MqttControlPacketType)byteReader.Read(4);
-        }
-
-        public void Dispose()
-        {
-            _remainingData?.Dispose();
-        }
-    }
-}
@@ -1,105 +0,0 @@
-using System;
-using System.IO;
-using System.Text;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class MqttPacketWriter : IDisposable
-    {
-        private readonly MemoryStream _buffer = new MemoryStream(512);
-
-        public void InjectFixedHeader(byte fixedHeader)
-        {
-            if (_buffer.Length == 0)
-            {
-                Write(fixedHeader);
-                Write(0);
-                return;
-            }
-
-            var backupBuffer = _buffer.ToArray();
-            var remainingLength = (int)_buffer.Length;
-
-            _buffer.SetLength(0);
-
-            _buffer.WriteByte(fixedHeader);
-
-            // Alorithm taken from http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html.
-            var x = remainingLength;
-            do
-            {
-                var encodedByte = x % 128;
-                x = x / 128;
-                if (x > 0)
-                {
-                    encodedByte = encodedByte | 128;
-                }
-
-                _buffer.WriteByte((byte)encodedByte);
-            } while (x > 0);
-
-            _buffer.Write(backupBuffer, 0, backupBuffer.Length);
-        }
-
-        public void InjectFixedHeader(MqttControlPacketType packetType, byte flags = 0)
-        {
-            var fixedHeader = (byte)((byte)packetType << 4);
-            fixedHeader |= flags;
-            InjectFixedHeader(fixedHeader);
-        }
-
-        public void Write(byte value)
-        {
-            _buffer.WriteByte(value);
-        }
-
-        public void Write(ushort value)
-        {
-            var buffer = BitConverter.GetBytes(value);
-            _buffer.WriteByte(buffer[1]);
-            _buffer.WriteByte(buffer[0]);
-        }
-
-        public void Write(ByteWriter value)
-        {
-            if (value == null) throw new ArgumentNullException(nameof(value));
-
-            _buffer.WriteByte(value.Value);
-        }
-
-        public void Write(params byte[] value)
-        {
-            if (value == null) throw new ArgumentNullException(nameof(value));
-
-            _buffer.Write(value, 0, value.Length);
-        }
-
-        public void WriteWithLengthPrefix(string value)
-        {
-            WriteWithLengthPrefix(Encoding.UTF8.GetBytes(value ?? string.Empty));
-        }
-
-        public void WriteWithLengthPrefix(byte[] value)
-        {
-            var length = (ushort)value.Length;
-
-            Write(length);
-            Write(value);
-        }
-
-        public Task WriteToAsync(IMqttCommunicationChannel destination)
-        {
-            if (destination == null) throw new ArgumentNullException(nameof(destination));
-
-            return destination.WriteAsync(_buffer.ToArray());
-        }
-
-        public void Dispose()
-        {
-            _buffer?.Dispose();
-        }
-    }
-}
@@ -1,9 +0,0 @@
-namespace MQTTnet.Core.Server
-{
-    public sealed class DefaultEndpointOptions
-    {
-        public bool IsEnabled { get; set; } = true;
-
-        public int? Port { get; set; }
-    }
-}
@@ -1,9 +0,0 @@
-namespace MQTTnet.Core.Server
-{
-    public sealed class GetOrCreateClientSessionResult
-    {
-        public bool IsExistingSession { get; set; }
-
-        public MqttClientSession Session { get; set; }
-    }
-}
@@ -1,135 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttClientMessageQueue
-    {
-        private readonly List<MqttClientPublishPacketContext> _pendingPublishPackets = new List<MqttClientPublishPacketContext>();
-        private readonly AsyncGate _gate = new AsyncGate();
-
-        private readonly MqttServerOptions _options;
-        private CancellationTokenSource _cancellationTokenSource;
-        private IMqttCommunicationAdapter _adapter;
-
-        public MqttClientMessageQueue(MqttServerOptions options)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-        }
-
-        public void Start(IMqttCommunicationAdapter adapter)
-        {
-            if (_cancellationTokenSource != null)
-            {
-                throw new InvalidOperationException($"{nameof(MqttClientMessageQueue)} already started.");
-            }
-
-            _adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            Task.Run(() => SendPendingPublishPacketsAsync(_cancellationTokenSource.Token));
-        }
-
-        public void Stop()
-        {
-            _adapter = null;
-            _cancellationTokenSource?.Cancel();
-            _cancellationTokenSource = null;
-        }
-
-        public void Enqueue(MqttClientSession senderClientSession, MqttPublishPacket publishPacket)
-        {
-            if (senderClientSession == null) throw new ArgumentNullException(nameof(senderClientSession));
-            if (publishPacket == null) throw new ArgumentNullException(nameof(publishPacket));
-
-            lock (_pendingPublishPackets)
-            {
-                _pendingPublishPackets.Add(new MqttClientPublishPacketContext(senderClientSession, publishPacket));
-                _gate.Set();
-            }
-        }
-
-        private async Task SendPendingPublishPacketsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    await _gate.WaitOneAsync();
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        return;
-                    }
-
-                    if (_adapter == null)
-                    {
-                        continue;
-                    }
-
-                    List<MqttClientPublishPacketContext> pendingPublishPackets;
-                    lock (_pendingPublishPackets)
-                    {
-                        pendingPublishPackets = _pendingPublishPackets.ToList();
-                    }
-
-                    foreach (var publishPacket in pendingPublishPackets)
-                    {
-                        await TrySendPendingPublishPacketAsync(publishPacket);
-                    }
-                }
-                catch (Exception e)
-                {
-                    MqttTrace.Error(nameof(MqttClientMessageQueue), e, "Error while sending pending publish packets.");
-                }
-                finally
-                {
-                    Cleanup();
-                }               
-            }
-        }
-
-        private async Task TrySendPendingPublishPacketAsync(MqttClientPublishPacketContext publishPacketContext)
-        {
-            try
-            {
-                if (_adapter == null)
-                {
-                    return;
-                }
-
-                publishPacketContext.PublishPacket.Dup = publishPacketContext.SendTries > 0;
-                await _adapter.SendPacketAsync(publishPacketContext.PublishPacket, _options.DefaultCommunicationTimeout);
-
-                publishPacketContext.IsSent = true;
-            }
-            catch (MqttCommunicationException exception)
-            {
-                MqttTrace.Warning(nameof(MqttClientMessageQueue), exception, "Sending publish packet failed.");
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClientMessageQueue), exception, "Sending publish packet failed.");
-            }
-            finally
-            {
-                publishPacketContext.SendTries++;
-            }
-        }
-
-        private void Cleanup()
-        {
-            lock (_pendingPublishPackets)
-            {
-                _pendingPublishPackets.RemoveAll(p => p.IsSent);
-            }
-        }
-    }
-}
@@ -1,22 +0,0 @@
-using System;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttClientPublishPacketContext
-    {
-        public MqttClientPublishPacketContext(MqttClientSession senderClientSession, MqttPublishPacket publishPacket)
-        {
-            SenderClientSession = senderClientSession ?? throw new ArgumentNullException(nameof(senderClientSession));
-            PublishPacket = publishPacket ?? throw new ArgumentNullException(nameof(publishPacket));
-        }
-
-        public MqttClientSession SenderClientSession { get; }
-
-        public MqttPublishPacket PublishPacket { get; }
-
-        public int SendTries { get; set; }
-
-        public bool IsSent { get; set; }
-    }
-}
@@ -1,186 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttClientSession : IDisposable
-    {
-        private readonly ConcurrentDictionary<ushort, MqttPublishPacket> _pendingIncomingPublications = new ConcurrentDictionary<ushort, MqttPublishPacket>();
-
-        private readonly MqttClientSubscriptionsManager _subscriptionsManager = new MqttClientSubscriptionsManager();
-        private readonly MqttClientMessageQueue _messageQueue;
-        private readonly Action<MqttClientSession, MqttPublishPacket> _publishPacketReceivedCallback;
-        private readonly MqttServerOptions _options;
-        
-        private CancellationTokenSource _cancellationTokenSource;
-        private IMqttCommunicationAdapter _adapter;
-        private string _identifier;
-        private MqttApplicationMessage _willApplicationMessage;
-
-        public MqttClientSession(string clientId, MqttServerOptions options, Action<MqttClientSession, MqttPublishPacket> publishPacketReceivedCallback)
-        {
-            ClientId = clientId;
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-            _publishPacketReceivedCallback = publishPacketReceivedCallback ?? throw new ArgumentNullException(nameof(publishPacketReceivedCallback));
-
-            _messageQueue = new MqttClientMessageQueue(options);
-        }
-
-        public string ClientId { get; }
-
-        public bool IsConnected => _adapter != null;
-
-        public async Task RunAsync(string identifier, MqttApplicationMessage willApplicationMessage, IMqttCommunicationAdapter adapter)
-        {
-            if (adapter == null) throw new ArgumentNullException(nameof(adapter));
-
-            _willApplicationMessage = willApplicationMessage;
-
-            try
-            {
-                _identifier = identifier;
-                _adapter = adapter;
-                _cancellationTokenSource = new CancellationTokenSource();
-
-                _messageQueue.Start(adapter);
-                while (!_cancellationTokenSource.IsCancellationRequested)
-                {
-                    var packet = await adapter.ReceivePacketAsync(TimeSpan.Zero);
-                    await HandleIncomingPacketAsync(packet);
-                }
-            }
-            catch (MqttCommunicationException)
-            {
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClientSession), exception, $"Client '{_identifier}': Unhandled exception while processing client packets.");
-            }
-            finally
-            {
-                if (willApplicationMessage != null)
-                {
-                    _publishPacketReceivedCallback(this, _willApplicationMessage.ToPublishPacket());
-                }
-
-                _messageQueue.Stop();
-                _cancellationTokenSource.Cancel();
-                _adapter = null;
-
-                MqttTrace.Information(nameof(MqttClientSession), $"Client '{_identifier}': Disconnected.");
-            }
-        }
-
-        public void EnqueuePublishPacket(MqttClientSession senderClientSession, MqttPublishPacket publishPacket)
-        {
-            if (senderClientSession == null) throw new ArgumentNullException(nameof(senderClientSession));
-            if (publishPacket == null) throw new ArgumentNullException(nameof(publishPacket));
-
-            if (!_subscriptionsManager.IsTopicSubscribed(publishPacket))
-            {
-                return;
-            }
-
-            _messageQueue.Enqueue(senderClientSession, publishPacket);
-            MqttTrace.Verbose(nameof(MqttClientSession), $"Client '{_identifier}: Enqueued pending publish packet.");
-        }
-
-        public void Dispose()
-        {
-            _cancellationTokenSource?.Cancel();
-            _cancellationTokenSource?.Dispose();
-        }
-
-        private Task HandleIncomingPacketAsync(MqttBasePacket packet)
-        {
-            var subscribePacket = packet as MqttSubscribePacket;
-            if (subscribePacket != null)
-            {
-                return _adapter.SendPacketAsync(_subscriptionsManager.Subscribe(subscribePacket), _options.DefaultCommunicationTimeout);
-            }
-
-            var unsubscribePacket = packet as MqttUnsubscribePacket;
-            if (unsubscribePacket != null)
-            {
-                return _adapter.SendPacketAsync(_subscriptionsManager.Unsubscribe(unsubscribePacket), _options.DefaultCommunicationTimeout);
-            }
-
-            var publishPacket = packet as MqttPublishPacket;
-            if (publishPacket != null)
-            {
-                return HandleIncomingPublishPacketAsync(publishPacket);
-            }
-
-            var pubRelPacket = packet as MqttPubRelPacket;
-            if (pubRelPacket != null)
-            {
-                return HandleIncomingPubRelPacketAsync(pubRelPacket);
-            }
-
-            var pubAckPacket = packet as MqttPubAckPacket;
-            if (pubAckPacket != null)
-            {
-                return HandleIncomingPubAckPacketAsync(pubAckPacket);
-            }
-
-            if (packet is MqttPingReqPacket)
-            {
-                return _adapter.SendPacketAsync(new MqttPingRespPacket(), _options.DefaultCommunicationTimeout);
-            }
-
-            if (packet is MqttDisconnectPacket || packet is MqttConnectPacket)
-            {
-                _cancellationTokenSource.Cancel();
-                return Task.FromResult((object)null);
-            }
-
-            MqttTrace.Warning(nameof(MqttClientSession), $"Client '{_identifier}': Received not supported packet ({packet}). Closing connection.");
-            _cancellationTokenSource.Cancel();
-
-            return Task.FromResult((object)null);
-        }
-
-        private async Task HandleIncomingPubAckPacketAsync(MqttPubAckPacket pubAckPacket)
-        {
-            await Task.FromResult((object)null);
-        }
-
-        private async Task HandleIncomingPublishPacketAsync(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                _publishPacketReceivedCallback(this, publishPacket);
-            }
-            else if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
-            {
-                await _adapter.SendPacketAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier }, _options.DefaultCommunicationTimeout);
-                _publishPacketReceivedCallback(this, publishPacket);
-            }
-            else if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
-            {
-                _pendingIncomingPublications[publishPacket.PacketIdentifier] = publishPacket;
-                await _adapter.SendPacketAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier }, _options.DefaultCommunicationTimeout);
-            }
-        }
-
-        private async Task HandleIncomingPubRelPacketAsync(MqttPubRelPacket pubRelPacket)
-        {
-            MqttPublishPacket publishPacket;
-            if (!_pendingIncomingPublications.TryRemove(pubRelPacket.PacketIdentifier, out publishPacket))
-            {
-                return;
-            }
-
-            await _adapter.SendPacketAsync(new MqttPubCompPacket { PacketIdentifier = publishPacket.PacketIdentifier }, _options.DefaultCommunicationTimeout);
-            _publishPacketReceivedCallback(this, publishPacket);
-        }
-    }
-}
@@ -1,141 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttClientSessionsManager
-    {
-        private readonly object _syncRoot = new object();
-        private readonly Dictionary<string, MqttClientSession> _clientSessions = new Dictionary<string, MqttClientSession>();
-        private readonly MqttServerOptions _options;
-
-        public MqttClientSessionsManager(MqttServerOptions options)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-        }
-
-        public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived; 
-
-        public async Task RunClientSessionAsync(MqttClientConnectedEventArgs eventArgs)
-        {
-            try
-            {
-                var connectPacket = await eventArgs.ClientAdapter.ReceivePacketAsync(_options.DefaultCommunicationTimeout) as MqttConnectPacket;
-                if (connectPacket == null)
-                {
-                    throw new MqttProtocolViolationException("The first packet from a client must be a 'CONNECT' packet [MQTT-3.1.0-1].");
-                }
-
-                var connectReturnCode = ValidateConnection(connectPacket);
-                if (connectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
-                {
-                    await eventArgs.ClientAdapter.SendPacketAsync(new MqttConnAckPacket
-                    {
-                        ConnectReturnCode = connectReturnCode
-                    }, _options.DefaultCommunicationTimeout);
-
-                    return;
-                }
-
-                var clientSession = GetOrCreateClientSession(connectPacket);
-
-                await eventArgs.ClientAdapter.SendPacketAsync(new MqttConnAckPacket
-                {
-                    ConnectReturnCode = connectReturnCode,
-                    IsSessionPresent = clientSession.IsExistingSession
-                }, _options.DefaultCommunicationTimeout);
-
-                await clientSession.Session.RunAsync(eventArgs.Identifier, connectPacket.WillMessage, eventArgs.ClientAdapter);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttServer), exception, exception.Message);
-            }
-            finally
-            {
-                await eventArgs.ClientAdapter.DisconnectAsync();
-            }
-        }
-
-        public void Clear()
-        {
-            lock (_syncRoot)
-            {
-                _clientSessions.Clear();
-            }
-        }
-
-        public IList<string> GetConnectedClients()
-        {
-            lock (_syncRoot)
-            {
-                return _clientSessions.Where(s => s.Value.IsConnected).Select(s => s.Key).ToList();
-            }
-        }
-
-        private MqttConnectReturnCode ValidateConnection(MqttConnectPacket connectPacket)
-        {
-            if (_options.ConnectionValidator != null)
-            {
-                return _options.ConnectionValidator(connectPacket);
-            }
-
-            return MqttConnectReturnCode.ConnectionAccepted;
-        }
-
-        private GetOrCreateClientSessionResult GetOrCreateClientSession(MqttConnectPacket connectPacket)
-        {
-            lock (_syncRoot)
-            {
-                MqttClientSession clientSession;
-                var isSessionPresent = _clientSessions.TryGetValue(connectPacket.ClientId, out clientSession);
-                if (isSessionPresent)
-                {
-                    if (connectPacket.CleanSession)
-                    {
-                        _clientSessions.Remove(connectPacket.ClientId);
-                        clientSession.Dispose();
-                        clientSession = null;
-                        MqttTrace.Verbose(nameof(MqttClientSessionsManager), $"Disposed existing session of client '{connectPacket.ClientId}'.");
-                    }
-                    else
-                    {
-                        MqttTrace.Verbose(nameof(MqttClientSessionsManager), $"Reusing existing session of client '{connectPacket.ClientId}'.");
-                    }
-                }
-
-                var isExistingSession = true;
-                if (clientSession == null)
-                {
-                    isExistingSession = false;
-
-                    clientSession = new MqttClientSession(connectPacket.ClientId, _options, DispatchPublishPacket);
-                    _clientSessions[connectPacket.ClientId] = clientSession;
-
-                    MqttTrace.Verbose(nameof(MqttClientSessionsManager), $"Created a new session for client '{connectPacket.ClientId}'.");
-                }
-
-                return new GetOrCreateClientSessionResult { IsExistingSession = isExistingSession, Session = clientSession };
-            }
-        }
-
-        private void DispatchPublishPacket(MqttClientSession senderClientSession, MqttPublishPacket publishPacket)
-        {
-            var eventArgs = new MqttApplicationMessageReceivedEventArgs(senderClientSession.ClientId, publishPacket.ToApplicationMessage());
-            ApplicationMessageReceived?.Invoke(this, eventArgs);
-
-            foreach (var clientSession in _clientSessions.Values.ToList())
-            {
-                clientSession.EnqueuePublishPacket(senderClientSession, publishPacket);
-            }
-        }
-    }
-}
@@ -1,61 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttClientSubscriptionsManager
-    {
-        private readonly ConcurrentDictionary<string, MqttQualityOfServiceLevel> _subscribedTopics = new ConcurrentDictionary<string, MqttQualityOfServiceLevel>();
-
-        public MqttSubAckPacket Subscribe(MqttSubscribePacket subscribePacket)
-        {
-            if (subscribePacket == null) throw new ArgumentNullException(nameof(subscribePacket));
-
-            var responsePacket = subscribePacket.CreateResponse<MqttSubAckPacket>();
-            foreach (var topicFilter in subscribePacket.TopicFilters)
-            {
-                _subscribedTopics[topicFilter.Topic] = topicFilter.QualityOfServiceLevel;
-                responsePacket.SubscribeReturnCodes.Add(MqttSubscribeReturnCode.SuccessMaximumQoS1); // TODO: Add support for QoS 2.
-            }
-
-            return responsePacket;
-        }
-
-        public MqttUnsubAckPacket Unsubscribe(MqttUnsubscribePacket unsubscribePacket)
-        {
-            if (unsubscribePacket == null) throw new ArgumentNullException(nameof(unsubscribePacket));
-
-            foreach (var topicFilter in unsubscribePacket.TopicFilters)
-            {
-                MqttQualityOfServiceLevel _;
-                _subscribedTopics.TryRemove(topicFilter, out _);
-            }
-
-            return unsubscribePacket.CreateResponse<MqttUnsubAckPacket>();
-        }
-
-        public bool IsTopicSubscribed(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket == null) throw new ArgumentNullException(nameof(publishPacket));
-
-            foreach (var subscribedTopic in _subscribedTopics)
-            {
-                if (!MqttTopicFilterComparer.IsMatch(publishPacket.Topic, subscribedTopic.Key))
-                {
-                    continue;
-                }
-
-                if (subscribedTopic.Value < publishPacket.QualityOfServiceLevel)
-                {
-                    continue;
-                }
-
-                return true;
-            }
-
-            return false;
-        }
-    }
-}
@@ -1,85 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttServer
-    {
-        private readonly MqttClientSessionsManager _clientSessionsManager;
-        private readonly ICollection<IMqttServerAdapter> _adapters;
-        private readonly MqttServerOptions _options;
-
-        private CancellationTokenSource _cancellationTokenSource;
-
-        public MqttServer(MqttServerOptions options, ICollection<IMqttServerAdapter> adapters)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-            _adapters = adapters ?? throw new ArgumentNullException(nameof(adapters));
-            
-            _clientSessionsManager = new MqttClientSessionsManager(options);
-            _clientSessionsManager.ApplicationMessageReceived += (s, e) => ApplicationMessageReceived?.Invoke(s, e);
-        }
-
-        public IList<string> GetConnectedClients()
-        {
-            return _clientSessionsManager.GetConnectedClients();
-        }
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
-
-        public void InjectClient(string identifier, IMqttCommunicationAdapter adapter)
-        {
-            if (adapter == null) throw new ArgumentNullException(nameof(adapter));
-
-            if (_cancellationTokenSource == null) throw new InvalidOperationException("The MQTT server is not started.");
-
-            OnClientConnected(this, new MqttClientConnectedEventArgs(identifier, adapter));
-        }
-
-        public void Start()
-        {
-            if (_cancellationTokenSource != null) throw new InvalidOperationException("The MQTT server is already started.");
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            foreach (var adapter in _adapters)
-            {
-                adapter.ClientConnected += OnClientConnected;
-                adapter.Start(_options);
-            }
-            
-            MqttTrace.Information(nameof(MqttServer), "Started.");
-        }
-
-        public void Stop()
-        {
-            _cancellationTokenSource?.Cancel(false);
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            foreach (var adapter in _adapters)
-            {
-                adapter.ClientConnected -= OnClientConnected;
-                adapter.Stop();
-            }
-
-            _clientSessionsManager.Clear();
-
-            MqttTrace.Information(nameof(MqttServer), "Stopped.");
-        }
-
-        private void OnClientConnected(object sender, MqttClientConnectedEventArgs eventArgs)
-        {
-            MqttTrace.Information(nameof(MqttServer), $"Client '{eventArgs.Identifier}': Connected.");
-            ClientConnected?.Invoke(this, eventArgs);
-
-            Task.Run(() => _clientSessionsManager.RunClientSessionAsync(eventArgs), _cancellationTokenSource.Token);
-        }
-    }
-}
@@ -1,19 +0,0 @@
-using System;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttServerOptions
-    {
-        public DefaultEndpointOptions DefaultEndpointOptions { get; } = new DefaultEndpointOptions();
-
-        public MqttServerTlsEndpointOptions TlsEndpointOptions { get; } = new MqttServerTlsEndpointOptions();
-        
-        public int ConnectionBacklog { get; set; } = 10;
-
-        public TimeSpan DefaultCommunicationTimeout { get; set; } = TimeSpan.FromSeconds(10);
-
-        public Func<MqttConnectPacket, MqttConnectReturnCode> ConnectionValidator { get; set; }
-    }
-}
@@ -1,31 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Server
-{
-    public static class MqttServerOptionsExtensions
-    {
-        public static int GetTlsEndpointPort(this MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (!options.TlsEndpointOptions.Port.HasValue)
-            {
-                return 8883;
-            }
-
-            return options.TlsEndpointOptions.Port.Value;
-        }
-
-        public static int GetDefaultEndpointPort(this MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (!options.DefaultEndpointOptions.Port.HasValue)
-            {
-                return 1883;
-            }
-
-            return options.DefaultEndpointOptions.Port.Value;
-        }
-    }
-}
@@ -1,11 +0,0 @@
-namespace MQTTnet.Core.Server
-{
-    public sealed class MqttServerTlsEndpointOptions
-    {
-        public bool IsEnabled { get; set; }
-
-        public int? Port { get; set; }
-
-        public byte[] Certificate { get; set; }
-    }
-}
@@ -1,19 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Server
-{
-    public static class MqttServerTlsEndpointOptionsExtensions
-    {
-        public static int GetPort(this DefaultEndpointOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (!options.Port.HasValue)
-            {
-                return 1883;
-            }
-
-            return options.Port.Value;
-        }
-    }
-}
@@ -1,53 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Server
-{
-    public static class MqttTopicFilterComparer
-    {
-        private const char TopicLevelSeparator = '/';
-
-        public static bool IsMatch(string topic, string filter)
-        {
-            if (topic == null) throw new ArgumentNullException(nameof(topic));
-            if (filter == null) throw new ArgumentNullException(nameof(filter));
-
-            if (string.Equals(topic, filter, StringComparison.Ordinal))
-            {
-                return true;
-            }
-
-            var fragmentsTopic = topic.Split(new[] { TopicLevelSeparator }, StringSplitOptions.None);
-            var fragmentsFilter = filter.Split(new[] { TopicLevelSeparator }, StringSplitOptions.None);
-
-            for (var i = 0; i < fragmentsFilter.Length; i++)
-            {
-                if (fragmentsFilter[i] == "+")
-                {
-                    continue;
-                }
-
-                if (fragmentsFilter[i] == "#" && i == fragmentsFilter.Length - 1)
-                {
-                    return true;
-                }
-
-                if (i >= fragmentsTopic.Length)
-                {
-                    return false;
-                }
-
-                if (!string.Equals(fragmentsFilter[i], fragmentsTopic[i]))
-                {
-                    return false;
-                }
-            }
-
-            if (fragmentsTopic.Length > fragmentsFilter.Length)
-            {
-                return false;
-            }
-
-            return true;
-        }
-    }
-}
@@ -0,0 +1,260 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.27004.2010
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{9248C2E1-B9D6-40BF-81EC-86004D7765B4}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Source", "Source", "{32A630A7-2598-41D7-B625-204CD906F5FB}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet", "Source\MQTTnet\MQTTnet.csproj", "{3587E506-55A2-4EB3-99C7-DC01E42D25D2}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{67C28AC1-BC3A-420A-BE9C-FA2401431CF9}"
+	ProjectSection(SolutionItems) = preProject
+		Build\build.ps1 = Build\build.ps1
+		Build\MQTTnet.AspNetCore.nuspec = Build\MQTTnet.AspNetCore.nuspec
+		Build\MQTTnet.Extensions.ManagedClient.nuspec = Build\MQTTnet.Extensions.ManagedClient.nuspec
+		Build\MQTTnet.Extensions.Rpc.nuspec = Build\MQTTnet.Extensions.Rpc.nuspec
+		Build\MQTTnet.nuspec = Build\MQTTnet.nuspec
+		Build\upload.ps1 = Build\upload.ps1
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{B3F60ECB-45BA-4C66-8903-8BB89CA67998}"
+	ProjectSection(SolutionItems) = preProject
+		.bettercodehub.yml = .bettercodehub.yml
+		appveyor.yml = appveyor.yml
+		LICENSE = LICENSE
+		README.md = README.md
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.TestApp.NetCore", "Tests\MQTTnet.TestApp.NetCore\MQTTnet.TestApp.NetCore.csproj", "{3D283AAD-AAA8-4339-8394-52F80B6304DB}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.TestApp.AspNetCore2", "Tests\MQTTnet.TestApp.AspNetCore2\MQTTnet.TestApp.AspNetCore2.csproj", "{C6FF8AEA-0855-41EC-A1F3-AC262225BAB9}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.AspNetCore", "Source\MQTTnet.AspnetCore\MQTTnet.AspNetCore.csproj", "{F10C4060-F7EE-4A83-919F-FF723E72F94A}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Extensions", "Extensions", "{12816BCC-AF9E-44A9-9AE5-C246AF2A0587}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.Rpc", "Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj", "{C444E9C8-95FA-430E-9126-274129DE16CD}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Benchmarks", "Tests\MQTTnet.Benchmarks\MQTTnet.Benchmarks.csproj", "{998D04DD-7CB0-45F5-A393-E2495C16399E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.ManagedClient", "Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj", "{C400533A-8EBA-4F0B-BF4D-295C3708604B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.AspNetCore.Tests", "Tests\MQTTnet.AspNetCore.Tests\MQTTnet.AspNetCore.Tests.csproj", "{61B62223-F5D0-48E4-BBD6-2CBA9353CB5E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Tests", "Tests\MQTTnet.Core.Tests\MQTTnet.Tests.csproj", "{9C7106CA-96B8-4ABE-B3B4-9357AB8ACB41}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Server", "Source\MQTTnet.Server\MQTTnet.Server.csproj", "{DADEA836-5CC3-474C-A2D8-4D0F31118CD7}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.WebSocket4Net", "Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj", "{9AE2F8DA-4178-470B-B8C4-88BE1DAE7D5F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|ARM = Debug|ARM
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|ARM = Release|ARM
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+		{998D04DD-7CB0-45F5-A393-E2495C16399E} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
+		{C400533A-8EBA-4F0B-BF4D-295C3708604B} = {12816BCC-AF9E-44A9-9AE5-C246AF2A0587}
+		{61B62223-F5D0-48E4-BBD6-2CBA9353CB5E} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
+		{9C7106CA-96B8-4ABE-B3B4-9357AB8ACB41} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
+		{DADEA836-5CC3-474C-A2D8-4D0F31118CD7} = {32A630A7-2598-41D7-B625-204CD906F5FB}
+		{9AE2F8DA-4178-470B-B8C4-88BE1DAE7D5F} = {12816BCC-AF9E-44A9-9AE5-C246AF2A0587}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {07536672-5CBC-4BE3-ACE0-708A431A7894}
+	EndGlobalSection
+EndGlobal
@@ -1,32 +1,58 @@

 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26430.15
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29009.5
 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
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-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MQTTnet.UniversalWindows", "Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj", "{BD60C727-D8E8-40C3-B8E3-C95A864AE611}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Tests", "Tests\MQTTnet.Core.Tests\MQTTnet.Tests.csproj", "{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{9248C2E1-B9D6-40BF-81EC-86004D7765B4}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Frameworks", "Frameworks", "{32A630A7-2598-41D7-B625-204CD906F5FB}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Core", "MQTTnet.Core\MQTTnet.Core.csproj", "{2ECB99E4-72D0-4C23-99BA-93D511D3967D}"
-EndProject
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+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Source", "Source", "{32A630A7-2598-41D7-B625-204CD906F5FB}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MQTTnet.TestApp.UniversalWindows", "Tests\MQTTnet.TestApp.UniversalWindows\MQTTnet.TestApp.UniversalWindows.csproj", "{FF1F72D6-9524-4422-9497-3CC0002216ED}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.NetStandard", "Frameworks\MQTTnet.Netstandard\MQTTnet.NetStandard.csproj", "{3587E506-55A2-4EB3-99C7-DC01E42D25D2}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet", "Source\MQTTnet\MQTTnet.csproj", "{3587E506-55A2-4EB3-99C7-DC01E42D25D2}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{67C28AC1-BC3A-420A-BE9C-FA2401431CF9}"
 	ProjectSection(SolutionItems) = preProject
 		Build\build.ps1 = Build\build.ps1
+		Build\MQTTnet.AspNetCore.nuspec = Build\MQTTnet.AspNetCore.nuspec
+		Build\MQTTnet.Extensions.ManagedClient.nuspec = Build\MQTTnet.Extensions.ManagedClient.nuspec
+		Build\MQTTnet.Extensions.Rpc.nuspec = Build\MQTTnet.Extensions.Rpc.nuspec
+		Build\MQTTnet.Extensions.WebSocket4Net.nuspec = Build\MQTTnet.Extensions.WebSocket4Net.nuspec
+		Build\MQTTnet.NETStandard.nuspec = Build\MQTTnet.NETStandard.nuspec
 		Build\MQTTnet.nuspec = Build\MQTTnet.nuspec
+		Build\upload.ps1 = Build\upload.ps1
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{B3F60ECB-45BA-4C66-8903-8BB89CA67998}"
+	ProjectSection(SolutionItems) = preProject
+		.bettercodehub.yml = .bettercodehub.yml
+		appveyor.yml = appveyor.yml
+		LICENSE = LICENSE
+		README.md = README.md
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.TestApp.NetCore", "Tests\MQTTnet.TestApp.NetCore\MQTTnet.TestApp.NetCore.csproj", "{3D283AAD-AAA8-4339-8394-52F80B6304DB}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.TestApp.AspNetCore2", "Tests\MQTTnet.TestApp.AspNetCore2\MQTTnet.TestApp.AspNetCore2.csproj", "{C6FF8AEA-0855-41EC-A1F3-AC262225BAB9}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.AspNetCore", "Source\MQTTnet.AspnetCore\MQTTnet.AspNetCore.csproj", "{F10C4060-F7EE-4A83-919F-FF723E72F94A}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Extensions", "Extensions", "{12816BCC-AF9E-44A9-9AE5-C246AF2A0587}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.Rpc", "Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj", "{C444E9C8-95FA-430E-9126-274129DE16CD}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Benchmarks", "Tests\MQTTnet.Benchmarks\MQTTnet.Benchmarks.csproj", "{998D04DD-7CB0-45F5-A393-E2495C16399E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.ManagedClient", "Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj", "{C400533A-8EBA-4F0B-BF4D-295C3708604B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.AspNetCore.Tests", "Tests\MQTTnet.AspNetCore.Tests\MQTTnet.AspNetCore.Tests.csproj", "{61B62223-F5D0-48E4-BBD6-2CBA9353CB5E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Server", "Source\MQTTnet.Server\MQTTnet.Server.csproj", "{5699FB8C-838C-4AB0-80A5-9CA809F9B65B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Extensions.WebSocket4Net", "Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj", "{2BD01D53-4CA5-4142-BE8D-313876395E3E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -43,84 +69,21 @@ Global
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|ARM.ActiveCfg = Debug|Any CPU
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|ARM.Build.0 = Debug|Any CPU
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x64.ActiveCfg = Debug|x64
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x64.Build.0 = Debug|x64
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x86.ActiveCfg = Debug|x86
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x86.Build.0 = Debug|x86
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x64.Build.0 = Debug|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Debug|x86.Build.0 = Debug|Any CPU
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|Any CPU.Build.0 = Release|Any CPU
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 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|ARM.Build.0 = Release|Any CPU
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x64.ActiveCfg = Release|x64
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x64.Build.0 = Release|x64
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x86.ActiveCfg = Release|x86
-		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x86.Build.0 = Release|x86
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|ARM.ActiveCfg = Debug|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|ARM.Build.0 = Debug|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|x64.ActiveCfg = Debug|x64
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|x64.Build.0 = Debug|x64
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|x86.ActiveCfg = Debug|x86
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Debug|x86.Build.0 = Debug|x86
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|Any CPU.Build.0 = Release|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|ARM.ActiveCfg = Release|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|ARM.Build.0 = Release|Any CPU
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|x64.ActiveCfg = Release|x64
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|x64.Build.0 = Release|x64
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|x86.ActiveCfg = Release|x86
-		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}.Release|x86.Build.0 = Release|x86
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|Any CPU.Build.0 = Debug|Any CPU
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-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|ARM.Build.0 = Debug|ARM
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x64.ActiveCfg = Debug|x64
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x64.Build.0 = Debug|x64
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x86.ActiveCfg = Debug|x86
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x86.Build.0 = Debug|x86
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|Any CPU.Build.0 = Release|Any CPU
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-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|x64.ActiveCfg = Release|x64
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|x64.Build.0 = Release|x64
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|x86.ActiveCfg = Release|x86
-		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|x86.Build.0 = Release|x86
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Debug|Any CPU.Build.0 = Debug|Any CPU
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-		{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}.Release|Any CPU.ActiveCfg = Release|Any CPU
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-		{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
-		{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
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|ARM.Build.0 = Debug|Any CPU
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|x64.ActiveCfg = Debug|x64
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|x64.Build.0 = Debug|x64
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|x86.ActiveCfg = Debug|x86
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|x86.Build.0 = Debug|x86
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|ARM.ActiveCfg = Release|Any CPU
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|ARM.Build.0 = Release|Any CPU
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|x64.ActiveCfg = Release|x64
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|x64.Build.0 = Release|x64
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|x86.ActiveCfg = Release|x86
-		{D9D74F33-6943-49B2-B765-7BD589082098}.Release|x86.Build.0 = Release|x86
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x64.ActiveCfg = Release|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x64.Build.0 = Release|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x86.ActiveCfg = Release|Any CPU
+		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC}.Release|x86.Build.0 = Release|Any CPU
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|ARM.ActiveCfg = Debug|ARM
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|ARM.Build.0 = Debug|ARM
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|ARM.Deploy.0 = Debug|ARM
@@ -145,10 +108,10 @@ 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
@@ -157,16 +120,169 @@ Global
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|x64.Build.0 = Release|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|x86.ActiveCfg = Release|Any CPU
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Release|x86.Build.0 = Release|Any CPU
+		{3D283AAD-AAA8-4339-8394-52F80B6304DB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateBlankLinesAroundFieldToBlankLinesAroundProperty/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateThisQualifierSettings/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
@@ -1,146 +1,134 @@
 <p align="center">
 <img src="https://github.com/chkr1011/MQTTnet/blob/master/Images/Logo_128x128.png?raw=true" width="128">
+<br/>
+<br/>
 </p>

-[![Build Status](https://img.shields.io/nuget/v/MQTTnet.svg)](https://www.nuget.org/packages/MQTTnet/)
+[![NuGet Badge](https://buildstats.info/nuget/MQTTnet)](https://www.nuget.org/packages/MQTTnet)
+[![Build status](https://ci.appveyor.com/api/projects/status/ycit86voxfevm2aa/branch/master?svg=true)](https://ci.appveyor.com/project/chkr1011/mqttnet)
+[![BCH compliance](https://bettercodehub.com/edge/badge/chkr1011/MQTTnet?branch=master)](https://bettercodehub.com/)
+[![OpenCollective](https://opencollective.com/mqttnet/backers/badge.svg)](https://opencollective.com/mqttnet) 
+[![OpenCollective](https://opencollective.com/mqttnet/sponsors/badge.svg)](https://opencollective.com/mqttnet) [![Join the chat at https://gitter.im/MQTTnet/community](https://badges.gitter.im/MQTTnet/community.svg)](https://gitter.im/MQTTnet/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://raw.githubusercontent.com/chkr1011/MQTTnet/master/LICENSE)

 # MQTTnet
-MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server. The implementation is based on the documentation from http://mqtt.org/.
+
+MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from <http://mqtt.org/>.

 ## Features
-* MQTT client included
-* MQTT server (broker) included
-* TLS 1.2 support for client and server (but not UWP servers)
+
+### General
+
 * Async support
-* List of connected clients available (server only)
-* Extensible communication channels (i.e. In-Memory, TCP, TCP+SSL, WebSockets (not included in this project))
-* Access to internal trace messages
-* Extensible client credential validation (server only)
-* Unit tested (48+ tests)
+* TLS 1.2 support for client and server (but not UWP servers)
+* Extensible communication channels (e.g. In-Memory, TCP, TCP+TLS, WS)
 * Lightweight (only the low level implementation of MQTT, no overhead)
+* Performance optimized (processing ~70.000 messages / second)*
+* Uniform API across all supported versions of the MQTT protocol
+* Interfaces included for mocking and testing
+* Access to internal trace messages
+* Unit tested (~210 tests)
+* No external dependencies
+
+\* Tested on local machine (Intel i7 8700K) with MQTTnet client and server running in the same process using the TCP channel. The app for verification is part of this repository and stored in _/Tests/MQTTnet.TestApp.NetCore_.
+
+### Client
+
+* Communication via TCP (+TLS) or WS (WebSocket) supported
+* Included core _MqttClient_ with low level functionality
+* Also included _ManagedMqttClient_ which maintains the connection and subscriptions automatically. Also application messages are queued and re-scheduled for higher QoS levels automatically.
+* Rx support (via another project)
+* Compatible with Microsoft Azure IoT Hub
+
+### Server (broker)
+
+* List of connected clients available
+* Supports connected clients with different protocol versions at the same time
+* Able to publish its own messages (no loopback client required)
+* Able to receive every message (no loopback client required)
+* Extensible client credential validation
+* Retained messages are supported including persisting via interface methods (own implementation required)
+* WebSockets supported (via ASP.NET Core 2.0, separate nuget)
+* A custom message interceptor can be added which allows transforming or extending every received application message
+* Validate subscriptions and deny subscribing of certain topics depending on requesting clients
+* Connect clients with different protocol versions at the same time.
+
+## MQTTnet Server
+
+_MQTTnet Server_ is a standalone cross platform MQTT server (like mosquitto) basing on this library. It has the following features.
+* Running portable (no installation required)
+* Runs und Windows, Linux, macOS, Raspberry Pi
+* Python scripting support for manipulating messages, validation of clients, building business logic etc.
+* Supports WebSocket and TCP (with and without TLS) connections
+* Provides a HTTP based API (including Swagger endpoint)
+* Extensive configuration parameters and customization supported

 ## Supported frameworks
+
 * .NET Standard 1.3+
 * .NET Core 1.1+
 * .NET Core App 1.1+
 * .NET Framework 4.5.2+ (x86, x64, AnyCPU)
-* Universal Windows (UWP) 10.0.10240+ (x86, x64, ARM, AnyCPU)
+* Mono 5.2+
+* Universal Windows Platform (UWP) 10.0.10240+ (x86, x64, ARM, AnyCPU, Windows 10 IoT Core)
+* Xamarin.Android 7.5+
+* Xamarin.iOS 10.14+

 ## Supported MQTT versions
+
+* 5.0.0
 * 3.1.1
+* 3.1.0

 ## Nuget
-This library is available as a nuget package: https://www.nuget.org/packages/MQTTnet/
+
+This library is available as a nuget package: <https://www.nuget.org/packages/MQTTnet/>
+
+## Examples
+
+Please find examples and the documentation at the Wiki of this repository (<https://github.com/chkr1011/MQTTnet/wiki>).

 ## Contributions
-If you want to contribute to this project just create a pull request.
+
+If you want to contribute to this project just create a pull request. But only pull requests which are matching the code style of this library will be accepted. Before creating a pull request please have a look at the library to get an overview of the required style.
+Also additions and updates in the Wiki are welcome.
+
+**This project, like all projects requires time and money.  If you feel compelled to support the development team, you can do so through Open Collective (https://opencollective.com/mqttnet)**.

 ## References
+
 This library is used in the following projects:

-* HA4IoT (Open Source Home Automation system for .NET, https://github.com/chkr1011/HA4IoT)
+* Azure Functions MQTT Bindings, [CaseOnline.Azure.WebJobs.Extensions.Mqtt](https://github.com/keesschollaart81/CaseOnline.Azure.WebJobs.Extensions.Mqtt/)
+* HA4IoT (Open Source Home Automation system for .NET, <https://github.com/chkr1011/HA4IoT>)
+* MQTT Client Rx (Wrapper for Reactive Extensions, <https://github.com/1iveowl/MQTTClient.rx>)
+* MQTT Tester (MQTT client test app for [Android](https://play.google.com/store/apps/details?id=com.liveowl.mqtttester) and [iOS](https://itunes.apple.com/us/app/mqtt-tester/id1278621826?mt=8))
+* Wirehome.Core (Open Source Home Automation system for .NET Core, <https://github.com/chkr1011/Wirehome.Core>)

-If you use this library and want to see your project here please let me know.
+Further projects using this project can be found under https://github.com/chkr1011/MQTTnet/network/dependents.

-# MqttClient
-## Example
+If you use this library and want to see your project here please create a pull request.

-```csharp
-var options = new MqttClientOptions
-{
-    Server = "localhost"
-};
+## License

-var client = new MqttClientFactory().CreateMqttClient(options);
-client.ApplicationMessageReceived += (s, e) =>
-{
-    Console.WriteLine("### RECEIVED APPLICATION MESSAGE ###");
-    Console.WriteLine($"+ Topic = {e.ApplicationMessage.Topic}");
-    Console.WriteLine($"+ Payload = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
-    Console.WriteLine($"+ QoS = {e.ApplicationMessage.QualityOfServiceLevel}");
-    Console.WriteLine($"+ Retain = {e.ApplicationMessage.Retain}");
-    Console.WriteLine();
-};
+MIT License

-client.Connected += async (s, e) =>
-{
-    Console.WriteLine("### CONNECTED WITH SERVER ###");
+MQTTnet Copyright (c) 2016-2019 Christian Kratky

-    await client.SubscribeAsync(new List<TopicFilter>
-    {
-        new TopicFilter("#", MqttQualityOfServiceLevel.AtMostOnce)
-    });
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:

-    Console.WriteLine("### SUBSCRIBED ###");
-};
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.

-client.Disconnected += async (s, e) => 
-{
-    Console.WriteLine("### DISCONNECTED FROM SERVER ###");
-    await Task.Delay(TimeSpan.FromSeconds(5));
-
-    try
-    {
-        await client.ConnectAsync();
-    }
-    catch
-    {
-        Console.WriteLine("### RECONNECTING FAILED ###");
-    }
-};
-
-try
-{
-    await client.ConnectAsync();
-}
-catch
-{
-    Console.WriteLine("### CONNECTING FAILED ###");
-}
-
-Console.WriteLine("### WAITING FOR APPLICATION MESSAGES ###");
-
-while (true)
-{
-    Console.ReadLine();
-
-    var applicationMessage = new MqttApplicationMessage(
-        "A/B/C",
-        Encoding.UTF8.GetBytes("Hello World"),
-        MqttQualityOfServiceLevel.AtLeastOnce,
-        false
-    );
-
-    await client.PublishAsync(applicationMessage);
-}
-```
-
-# MqttServer
-
-## Example 
-
-```csharp
-var options = new MqttServerOptions
-{
-    ConnectionValidator = p =>
-    {
-        if (p.ClientId == "SpecialClient")
-        {
-            if (p.Username != "USER" || p.Password != "PASS")
-            {
-                return MqttConnectReturnCode.ConnectionRefusedBadUsernameOrPassword;
-            }
-        }
-
-        return MqttConnectReturnCode.ConnectionAccepted;
-    }
-};
-
-var mqttServer = new MqttServerFactory().CreateMqttServer(options);
-mqttServer.Start();
-
-Console.WriteLine("Press any key to exit.");
-Console.ReadLine();
-
-mqttServer.Stop();
-```
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
@@ -0,0 +1,57 @@
+using System;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+using System.Linq;
+using MQTTnet.Server;
+using System.Collections.Generic;
+
+namespace MQTTnet.AspNetCore
+{
+    public static class ApplicationBuilderExtensions
+    {
+        public static IApplicationBuilder UseMqttEndpoint(this IApplicationBuilder app, string path = "/mqtt")
+        {
+            app.UseWebSockets();
+            app.Use(async (context, next) =>
+            {
+                if (!context.WebSockets.IsWebSocketRequest || context.Request.Path != path)
+                {
+                    await next();
+                    return;
+                }
+
+                string subProtocol = null;
+
+                if (context.Request.Headers.TryGetValue("Sec-WebSocket-Protocol", out var requestedSubProtocolValues))
+                {
+                    subProtocol = SelectSubProtocol(requestedSubProtocolValues);
+                }
+
+                var adapter = app.ApplicationServices.GetRequiredService<MqttWebSocketServerAdapter>();
+                using (var webSocket = await context.WebSockets.AcceptWebSocketAsync(subProtocol).ConfigureAwait(false))
+                {
+                    await adapter.RunWebSocketConnectionAsync(webSocket, context);
+                }
+            });
+
+            return app;
+        }
+
+        public static string SelectSubProtocol(IList<string> requestedSubProtocolValues)
+        {
+            // Order the protocols to also match "mqtt", "mqttv-3.1", "mqttv-3.11" etc.
+            return requestedSubProtocolValues
+                .OrderByDescending(p => p.Length)
+                .FirstOrDefault(p => p.ToLower().StartsWith("mqtt"));
+        }
+
+        public static IApplicationBuilder UseMqttServer(this IApplicationBuilder app, Action<IMqttServer> configure)
+        {
+            var server = app.ApplicationServices.GetRequiredService<IMqttServer>();
+
+            configure(server);
+
+            return app;
+        }
+    }
+}
@@ -0,0 +1,15 @@
+using MQTTnet.Server;
+using System;
+
+namespace MQTTnet.AspNetCore
+{
+    public class AspNetMqttServerOptionsBuilder : MqttServerOptionsBuilder
+    {
+        public AspNetMqttServerOptionsBuilder(IServiceProvider serviceProvider)
+        {
+            ServiceProvider = serviceProvider;
+        }
+
+        public IServiceProvider ServiceProvider { get; }
+    }
+}
@@ -0,0 +1,36 @@
+using System;
+using System.Net;
+using MQTTnet.Adapter;
+using MQTTnet.AspNetCore.Client.Tcp;
+using MQTTnet.Client;
+using MQTTnet.Client.Options;
+using MQTTnet.Diagnostics;
+using MQTTnet.Formatter;
+
+namespace MQTTnet.AspNetCore.Client
+{
+    public class MqttClientConnectionContextFactory : IMqttClientAdapterFactory
+    {
+        public IMqttChannelAdapter CreateClientAdapter(IMqttClientOptions options, IMqttNetChildLogger logger)
+        {
+            if (options == null) throw new ArgumentNullException(nameof(options));
+
+            switch (options.ChannelOptions)
+            {
+                case MqttClientTcpOptions tcpOptions:
+                    {
+                        var endpoint = new DnsEndPoint(tcpOptions.Server, tcpOptions.GetPort());
+                        var tcpConnection = new TcpConnection(endpoint);
+
+                        var writer = new SpanBasedMqttPacketWriter();
+                        var formatter = new MqttPacketFormatterAdapter(options.ProtocolVersion, writer);
+                        return new MqttConnectionContext(formatter, tcpConnection);
+                    }
+                default:
+                    {
+                        throw new NotSupportedException();
+                    }
+            }
+        }
+    }
+}
@@ -0,0 +1,22 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public static class BufferExtensions
+    {
+        public static ArraySegment<byte> GetArray(this Memory<byte> memory)
+        {
+            return ((ReadOnlyMemory<byte>)memory).GetArray();
+        }
+
+        public static ArraySegment<byte> GetArray(this ReadOnlyMemory<byte> memory)
+        {
+            if (!MemoryMarshal.TryGetArray(memory, out var result))
+            {
+                throw new InvalidOperationException("Buffer backed by array was expected");
+            }
+            return result;
+        }
+    }
+}
@@ -0,0 +1,41 @@
+using System.IO.Pipelines;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public class DuplexPipe : IDuplexPipe
+    {
+        public DuplexPipe(PipeReader reader, PipeWriter writer)
+        {
+            Input = reader;
+            Output = writer;
+        }
+
+        public PipeReader Input { get; }
+
+        public PipeWriter Output { get; }
+
+        public static DuplexPipePair CreateConnectionPair(PipeOptions inputOptions, PipeOptions outputOptions)
+        {
+            var input = new Pipe(inputOptions);
+            var output = new Pipe(outputOptions);
+
+            var transportToApplication = new DuplexPipe(output.Reader, input.Writer);
+            var applicationToTransport = new DuplexPipe(input.Reader, output.Writer);
+
+            return new DuplexPipePair(applicationToTransport, transportToApplication);
+        }
+
+        // This class exists to work around issues with value tuple on .NET Framework
+        public readonly struct DuplexPipePair
+        {
+            public IDuplexPipe Transport { get; }
+            public IDuplexPipe Application { get; }
+
+            public DuplexPipePair(IDuplexPipe transport, IDuplexPipe application)
+            {
+                Transport = transport;
+                Application = application;
+            }
+        }
+    }
+}
--- a/Show More
+++ b/Show More