Update docs.

Update build script.
2026-10-15 00:15:15 +08:00 · 2019-03-24 10:40:59 +01:00 · 2019-03-24 10:35:42 +01:00 · 2019-03-24 10:19:43 +01:00 · 2019-03-24 10:06:09 +01:00 · 2019-03-24 10:05:45 +01:00
477 changed files with 25097 additions and 4762 deletions
@@ -0,0 +1,3 @@
+component_depth: 2
+languages:
+- csharp
@@ -1,5 +1,7 @@
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore

 # User-specific files
 *.suo
@@ -15,12 +17,12 @@
 [Dd]ebugPublic/
 [Rr]elease/
 [Rr]eleases/
-[Xx]64/
-[Xx]86/
-[Bb]uild/
+x64/
+x86/
 bld/
 [Bb]in/
 [Oo]bj/
+[Ll]og/

 # Visual Studio 2015 cache/options directory
 .vs/
@@ -40,9 +42,11 @@ TestResult.xml
 [Rr]eleasePS/
 dlldata.c

-# DNX
+# .NET Core
 project.lock.json
+project.fragment.lock.json
 artifacts/
+**/Properties/launchSettings.json

 *_i.c
 *_p.c
@@ -81,6 +85,7 @@ ipch/
 *.sdf
 *.cachefile
 *.VC.db
+*.VC.VC.opendb

 # Visual Studio profiler
 *.psess
@@ -108,6 +113,10 @@ _TeamCity*
 # DotCover is a Code Coverage Tool
 *.dotCover

+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
 # NCrunch
 _NCrunch_*
 .*crunch*.local.xml
@@ -139,13 +148,16 @@ publish/
 # Publish Web Output
 *.[Pp]ublish.xml
 *.azurePubxml
-
-# TODO: Un-comment the next line if you do not want to checkin 
-# your web deploy settings because they may include unencrypted
-# passwords
-#*.pubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
 *.publishproj

+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
 # NuGet Packages
 *.nupkg
 # The packages folder can be ignored because of Package Restore
@@ -154,7 +166,7 @@ publish/
 !**/packages/build/
 # Uncomment if necessary however generally it will be regenerated when needed
 #!**/packages/repositories.config
-# NuGet v3's project.json files produces more ignoreable files
+# NuGet v3's project.json files produces more ignorable files
 *.nuget.props
 *.nuget.targets

@@ -166,12 +178,11 @@ csx/
 ecf/
 rcf/

-# Microsoft Azure ApplicationInsights config file
-ApplicationInsights.config
-
-# Windows Store app package directory
+# Windows Store app package directories and files
 AppPackages/
 BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt

 # Visual Studio cache files
 # files ending in .cache can be ignored
@@ -181,16 +192,19 @@ BundleArtifacts/

 # Others
 ClientBin/
-[Ss]tyle[Cc]op.*
 ~$*
 *~
 *.dbmdl
 *.dbproj.schemaview
-*.pfx
+*.jfm
+# *.pfx
 *.publishsettings
-node_modules/
 orleans.codegen.cs

+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
 # RIA/Silverlight projects
 Generated_Code/

@@ -205,6 +219,7 @@ UpgradeLog*.htm
 # SQL Server files
 *.mdf
 *.ldf
+*.ndf

 # Business Intelligence projects
 *.rdl.data
@@ -219,6 +234,11 @@ FakesAssemblies/

 # Node.js Tools for Visual Studio
 .ntvs_analysis.dat
+node_modules/
+/*/**/package-lock.json
+
+# Typescript v1 declaration files
+typings/

 # Visual Studio 6 build log
 *.plg
@@ -226,6 +246,9 @@ FakesAssemblies/
 # Visual Studio 6 workspace options file
 *.opt

+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
 # Visual Studio LightSwitch build output
 **/*.HTMLClient/GeneratedArtifacts
 **/*.DesktopClient/GeneratedArtifacts
@@ -234,12 +257,40 @@ FakesAssemblies/
 **/*.Server/ModelManifest.xml
 _Pvt_Extensions

-# LightSwitch generated files
-GeneratedArtifacts/
-ModelManifest.xml
-
 # Paket dependency manager
 .paket/paket.exe
+paket-files/

 # FAKE - F# Make
-.fake/
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+
+Build/nuget.exe
+*.js
+*.map
+
+/Tests/MQTTnet.TestApp.NetCore/RetainedMessages.json
@@ -0,0 +1,29 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.AspNetCore</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <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="$nugetVersion" />
+
+      <dependency id="Microsoft.AspNetCore.Connections.Abstractions" version="2.1.3" />
+      <dependency id="Microsoft.AspNetCore.WebSockets" version="2.1.1" />
+      <dependency id="Microsoft.Extensions.Hosting.Abstractions" version="2.1.1" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.AspNetCore\bin\Release\netstandard2.0\MQTTnet.AspNetCore.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.ManagedClient</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which provides a managed MQTT client with additional features using MQTTnet.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- .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\"/>
+
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\net461\"/>
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\net462\"/>
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\net470\"/>
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\net471\"/>
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\net472\"/>
+  </files>
+</package>
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.Rpc</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <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>
+    <!-- .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\"/>
+
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\net461\"/>
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\net462\"/>
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\net470\"/>
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\net471\"/>
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\net472\"/>
+  </files>
+</package>
@@ -0,0 +1,36 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.NETStandard</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <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 high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). This package contains the .NET Standard version of the library 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>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard1.3\MQTTnet.*" target="lib\netstandard1.3\"/>   
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -0,0 +1,84 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <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 high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker).</description>
+    <releaseNotes> * [Core] Added support for MQTTv5 packages.
+* [Core] Performance improvements (removed several exceptions).
+* [Core] Removed obsolete methods.
+* [Core] Fixed a memory leak when processing lots of messages (thanks to @tschanko)
+* [Core] Added more overloads for MQTT factory.
+* [Core] The client password is now hidden from the logs (replaced with **** if set).
+* [Client] Added validation of topics before publishing.
+* [Client] Added new MQTTv5 features to options builder.
+* [Client] Added uniform API across all supported MQTT versions (BREAKING CHANGE!)
+* [Client] The client will now avoid sending an ACK if an exception has been thrown in message handler (thanks to @ramonsmits).
+* [Client] Fixed issues in QoS 2 handling which leads to message loss.
+* [Client] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).
+* [ManagedClient] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).
+* [ManagedClient] The log ID is now propagated to the internal client (thanks to @vbBerni).
+* [ManagedClient] Added validation of topics before publishing.
+* [ManagedClient] The internal MQTT client is now closed properly (thanks to @vbBerni).
+* [Server] Added support for MQTTv5 clients. The server will still return _success_ for all cases at the moment even if more granular codes are available.
+* [Server] Fixed issues in QoS 2 handling which leads to message loss.
+* [Server] Replaced all events with proper async compatible handlers (BREAKING CHANGE!).
+* [Server] The used logger instance is now propagated to the WebSocket server adapter.
+* [Server] Added the flag "IsSecureConnection" which is set to true when the connection is encrypted.
+* [Server] Fixed wrong will message behavior when stopping server (thanks to @JohBa)
+* [Server] Added validation of topics before publishing.
+* [MQTTnet Server] Added as first Alpha version of standalone cross platform MQTT server.
+
+* [Note] Due to MQTTv5 a lot of new classes were introduced. This required adding new namespaces as well. Most classes are backward compatible but new namespaces must be added.
+    </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>
+      <group targetFramework="uap10.0">
+        <dependency id="Microsoft.NETCore.UniversalWindowsPlatform" version="6.1.9" />
+      </group>
+      <group targetFramework="net452">
+      </group>
+      <group targetFramework="net461">
+      </group>
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- .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\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet\bin\Release\uap10.0\MQTTnet.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet\bin\Release\net452\MQTTnet.*" target="lib\net452\"/>
+
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\net461\"/>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\net462\"/>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\net470\"/>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\net471\"/>
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\net472\"/>
+  </files>
+</package>
@@ -0,0 +1,59 @@
+param([string]$assemblyVersion, [string]$nugetVersion)
+
+if ([string]::IsNullOrEmpty($assemblyVersion)) {$assemblyVersion = "0.0.1"}
+if ([string]::IsNullOrEmpty($nugetVersion)) {$nugetVersion = "0.0.1"}
+
+Write-Host "Assembly version = $assemblyVersion"
+Write-Host "Nuget version    = $nugetVersion"
+Write-Host
+
+$vswhere = ${Env:\ProgramFiles(x86)} + '\Microsoft Visual Studio\Installer\vswhere'
+
+$path = &$vswhere -latest -products * -requires Microsoft.Component.MSBuild -property installationPath
+if ($path) {
+    $msbuild = join-path $path 'MSBuild\15.0\Bin\MSBuild.exe'
+
+	# Build the core library
+    &$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"
+
+	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
+	
+	New-Item -ItemType Directory -Force -Path .\NuGet
+    .\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 $nugetVersion
+    
+    Move-Item MQTTnet.AspNetCore.nuspec.old -Destination MQTTnet.AspNetCore.nuspec -Force
+    Move-Item MQTTnet.Extensions.Rpc.nuspec.old -Destination MQTTnet.Extensions.Rpc.nuspec -Force
+    Move-Item MQTTnet.Extensions.ManagedClient.nuspec.old -Destination MQTTnet.Extensions.ManagedClient.nuspec -Force
+}
@@ -0,0 +1,9 @@
+param([string]$apiKey)
+
+$files = Get-ChildItem -Path ".\NuGet" -Filter "*.nupkg"
+foreach ($file in $files)
+{
+	Write-Host "Uploading: " $file
+
+	.\nuget.exe push $file.Fullname $apiKey -NoSymbols -Source https://api.nuget.org/v3/index.json
+}
@@ -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
@@ -1,23 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp1.1</TargetFramework>
-    <Authors>Christian Kratky</Authors>
-    <Company>Christian Kratky</Company>
-    <Product>MQTTnet</Product>
-    <Description>MQTTnet for .NET Core</Description>
-    <Copyright>Copyright © Christian Kratky 2016-2017</Copyright>
-    <Version>2.0.4.0</Version>
-    <AssemblyVersion>2.0.4.0</AssemblyVersion>
-    <FileVersion>2.0.4.0</FileVersion>
-    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <PackageId>MQTTnet</PackageId>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj" />
-  </ItemGroup>
-
-</Project>
@@ -1,17 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-
-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()));
-        }
-    }
-}
@@ -1,56 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Sockets;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public sealed class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _socket;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (_socket != null) throw new InvalidOperationException("Server is already started.");
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-            _socket.Bind(new IPEndPoint(IPAddress.Any, options.Port));
-            _socket.Listen(options.ConnectionBacklog);
-            
-            Task.Run(async () => await AcceptConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-        }
-
-        public void Stop()
-        {
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _socket?.Dispose();
-            _socket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                var clientSocket = await _socket.AcceptAsync();
-                var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket), new DefaultMqttV311PacketSerializer());    
-                ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-            }
-        }
-    }
-}
@@ -1,15 +0,0 @@
-using System;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new MqttServerAdapter());
-        }
-    }
-}
@@ -1,81 +0,0 @@
-using System;
-using System.Net.Sockets;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet
-{
-    public class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private readonly Socket _socket;
-
-        public MqttTcpChannel()
-        {
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-        }
-
-        public MqttTcpChannel(Socket socket)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            try
-            {
-                await _socket.ConnectAsync(options.Server, options.Port);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task DisconnectAsync()
-        {
-            try
-            {
-                _socket.Dispose();
-                await 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.SendAsync(new ArraySegment<byte>(buffer), SocketFlags.None);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task ReadAsync(byte[] buffer)
-        {
-            try
-            {
-                var buffer2 = new ArraySegment<byte>(buffer);
-                await _socket.ReceiveAsync(buffer2, SocketFlags.None);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-        }
-    }
-}
@@ -1,60 +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)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="MqttClientFactory.cs" />
-    <Compile Include="MqttServerAdapter.cs" />
-    <Compile Include="MqttServerFactory.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="MqttTcpChannel.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj">
-      <Project>{99C884F3-B4B9-417D-AA92-DC7DD1C4CFEE}</Project>
-      <Name>MQTTnet.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <Import Project="$(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>
@@ -1,17 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-
-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()));
-        }
-    }
-}
@@ -1,56 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Sockets;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public sealed class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _socket;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (_socket != null) throw new InvalidOperationException("Server is already started.");
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-            _socket.Bind(new IPEndPoint(IPAddress.Any, options.Port));
-            _socket.Listen(options.ConnectionBacklog);
-            
-            Task.Run(async () => await AcceptConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-        }
-
-        public void Stop()
-        {
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _socket?.Dispose();
-            _socket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                var clientSocket = await Task.Factory.FromAsync(_socket.BeginAccept, _socket.EndAccept, null);
-                var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket), new DefaultMqttV311PacketSerializer());    
-                ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-            }
-        }
-    }
-}
@@ -1,15 +0,0 @@
-using System;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new MqttServerAdapter());
-        }
-    }
-}
@@ -1,85 +0,0 @@
-using System;
-using System.Net.Sockets;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet
-{
-    public class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private readonly Socket _socket;
-
-        public MqttTcpChannel()
-        {
-            _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-        }
-
-        public MqttTcpChannel(Socket socket)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-        }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            try
-            {
-                await Task.Factory.FromAsync(_socket.BeginConnect, _socket.EndConnect, options.Server, options.Port, null);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task DisconnectAsync()
-        {
-            try
-            {
-                await Task.Factory.FromAsync(_socket.BeginDisconnect, _socket.EndDisconnect, true, null);
-            }
-            catch (SocketException exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task WriteAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            try
-            {
-                await 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 async Task ReadAsync(byte[] buffer)
-        {
-            try
-            {
-                await 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();
-        }
-    }
-}
@@ -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("2.1.0.4")]
-[assembly: AssemblyFileVersion("2.1.0.4")]
@@ -1,17 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-
-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()));
-        }
-    }
-}
@@ -1,54 +0,0 @@
-using System;
-using System.Threading;
-using Windows.Networking.Sockets;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public sealed class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private StreamSocketListener _socket;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (_socket != null) throw new InvalidOperationException("Server is already started.");
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            _socket = new StreamSocketListener();
-            _socket.BindServiceNameAsync(options.Port.ToString()).AsTask().Wait();
-            _socket.ConnectionReceived += ConnectionReceived;
-        }
-
-        private void ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
-        {
-            var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(args.Socket), new DefaultMqttV311PacketSerializer());
-
-            var identifier = $"{args.Socket.Information.RemoteAddress}:{args.Socket.Information.RemotePort}";
-            ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(identifier, clientAdapter));
-        }
-
-        public void Stop()
-        {
-            _cancellationTokenSource?.Dispose();
-
-            if (_socket != null)
-            {
-                _socket.ConnectionReceived -= ConnectionReceived;
-            }
-
-            _socket?.Dispose();
-            _socket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-    }
-}
@@ -1,15 +0,0 @@
-using System;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory
-    {
-        public MqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new MqttServerAdapter());
-        }
-    }
-}
@@ -1,62 +0,0 @@
-using System;
-using System.Runtime.InteropServices.WindowsRuntime;
-using System.Threading.Tasks;
-using Windows.Networking;
-using Windows.Networking.Sockets;
-using Windows.Storage.Streams;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using Buffer = Windows.Storage.Streams.Buffer;
-
-namespace MQTTnet
-{
-    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));
-
-            await _socket.ConnectAsync(new HostName(options.Server), options.Port.ToString());
-        }
-
-        public async Task DisconnectAsync()
-        {
-            await _socket.CancelIOAsync();
-            _socket.Dispose();
-        }
-
-        public async Task WriteAsync(byte[] buffer)
-        {
-            if (buffer == null) throw new ArgumentNullException(nameof(buffer));
-
-            await _socket.OutputStream.WriteAsync(buffer.AsBuffer());
-            await _socket.OutputStream.FlushAsync();
-        }
-
-        public async Task ReadAsync(byte[] buffer)
-        {
-            var buffer2 = new Buffer((uint)buffer.Length);
-            await _socket.InputStream.ReadAsync(buffer2, (uint)buffer.Length, InputStreamOptions.None);
-
-            var array2 = buffer2.ToArray();
-            Array.Copy(array2, buffer, array2.Length);
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-        }
-    }
-}
@@ -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("2.1.0.4")]
-[assembly: AssemblyFileVersion("2.1.0.4")]
@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    This file contains Runtime Directives, specifications about types your application accesses
-    through reflection and other dynamic code patterns. Runtime Directives are used to control the
-    .NET Native optimizer and ensure that it does not remove code accessed by your library. If your
-    library does not do any reflection, then you generally do not need to edit this file. However,
-    if your library reflects over types, especially types passed to it or derived from its types,
-    then you should write Runtime Directives.
-
-    The most common use of reflection in libraries is to discover information about types passed
-    to the library. Runtime Directives have three ways to express requirements on types passed to
-    your library.
-
-    1.  Parameter, GenericParameter, TypeParameter, TypeEnumerableParameter
-        Use these directives to reflect over types passed as a parameter.
-
-    2.  SubTypes
-        Use a SubTypes directive to reflect over types derived from another type.
-
-    3.  AttributeImplies
-        Use an AttributeImplies directive to indicate that your library needs to reflect over
-        types or methods decorated with an attribute.
-
-    For more information on writing Runtime Directives for libraries, please visit
-    http://go.microsoft.com/fwlink/?LinkID=391919
-->
-<Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">
-  <Library Name="MQTTnet.Universal">
-
-  	<!-- add directives for your library here -->
-
-  </Library>
-</Directives>
@@ -1,16 +0,0 @@
-{
-  "dependencies": {
-    "Microsoft.NETCore.UniversalWindowsPlatform": "5.1.0"
-  },
-  "frameworks": {
-    "uap10.0": {}
-  },
-  "runtimes": {
-    "win10-arm": {},
-    "win10-arm-aot": {},
-    "win10-x86": {},
-    "win10-x86-aot": {},
-    "win10-x64": {},
-    "win10-x64-aot": {}
-  }
-}
@@ -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);
-    }
-}
@@ -1,374 +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,
-                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;
-
-            Task.Run(async () => await ReceivePackets(_cancellationTokenSource.Token), _cancellationTokenSource.Token).Forget();
-
-            var response = await SendAndReceiveAsync<MqttConnAckPacket>(connectPacket);
-            if (response.ConnectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
-            {
-                throw new MqttConnectingFailedException(response.ConnectReturnCode);
-            }
-
-            if (_options.KeepAlivePeriod != TimeSpan.Zero)
-            {
-                Task.Run(async () => await SendKeepAliveMessagesAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token).Forget();
-            }
-
-            Connected?.Invoke(this, EventArgs.Empty);
-        }
-
-        public async Task DisconnectAsync()
-        {
-            await SendAsync(new MqttDisconnectPacket());
-            await DisconnectInternalAsync();
-        }
-
-        public async Task<IList<MqttSubscribeResult>> SubscribeAsync(params TopicFilter[] topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            return await 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].");
-            }
-
-            var result = new List<MqttSubscribeResult>();
-            for (var i = 0; i < topicFilters.Count; i++)
-            {
-                result.Add(new MqttSubscribeResult(topicFilters[i], response.SubscribeReturnCodes[i]));
-            }
-
-            return result;
-        }
-
-        public async Task Unsubscribe(params string[] topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            await 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();
-                IsConnected = false;
-                Disconnected?.Invoke(this, EventArgs.Empty);
-            }
-        }
-
-        private async void ProcessReceivedPacket(MqttBasePacket mqttPacket)
-        {
-            try
-            {
-                if (mqttPacket is MqttPingReqPacket)
-                {
-                    await SendAsync(new MqttPingRespPacket());
-                    return;
-                }
-
-                if (mqttPacket is MqttDisconnectPacket)
-                {
-                    await DisconnectAsync();
-                    return;
-                }
-
-                var publishPacket = mqttPacket as MqttPublishPacket;
-                if (publishPacket != null)
-                {
-                    await ProcessReceivedPublishPacket(publishPacket);
-                    return;
-                }
-
-                var pubRelPacket = mqttPacket as MqttPubRelPacket;
-                if (pubRelPacket != null)
-                {
-                    await ProcessReceivedPubRelPacket(pubRelPacket);
-                    return;
-                }
-
-                _packetDispatcher.Dispatch(mqttPacket);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Error while processing received packet.");
-            }
-        }
-
-        private void FireApplicationMessageReceivedEvent(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel != MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                _processedPublishPackets.Add(publishPacket.PacketIdentifier);
-            }
-
-            var applicationMessage = new MqttApplicationMessage(
-                publishPacket.Topic,
-                publishPacket.Payload,
-                publishPacket.QualityOfServiceLevel,
-                publishPacket.Retain
-            );
-
-            ApplicationMessageReceived?.Invoke(this, new MqttApplicationMessageReceivedEventArgs(applicationMessage));
-        }
-
-        private async Task ProcessReceivedPublishPacket(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                FireApplicationMessageReceivedEvent(publishPacket);
-            }
-            else
-            {
-                if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
-                {
-                    FireApplicationMessageReceivedEvent(publishPacket);
-                    await SendAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-                }
-                else if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
-                {
-                    _pendingExactlyOncePublishPackets[publishPacket.PacketIdentifier] = publishPacket;
-                    await SendAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-                }
-            }
-        }
-
-        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 async Task SendAsync(MqttBasePacket packet)
-        {
-            await _adapter.SendPacketAsync(packet, _options.DefaultCommunicationTimeout);
-        }
-
-        private async Task<TResponsePacket> SendAndReceiveAsync<TResponsePacket>(MqttBasePacket requestPacket) where TResponsePacket : MqttBasePacket
-        {
-            Func<MqttBasePacket, bool> responsePacketSelector = 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)
-            {
-            }
-            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}");
-
-                    Task.Run(() => ProcessReceivedPacket(mqttPacket), cancellationToken).Forget();
-                }
-            }
-            catch (MqttCommunicationException)
-            {
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Error while receiving packets.");
-            }
-            finally
-            {
-                MqttTrace.Information(nameof(MqttClient), "Stopped receiving packets.");
-                await DisconnectInternalAsync();
-            }
-        }
-    }
-}
@@ -1,21 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttClientOptions
-    {
-        public string Server { get; set; }
-
-        public int Port { get; set; } = 1883;
-
-        public string UserName { get; set; }
-
-        public string Password { get; set; }
-
-        public string ClientId { get; set; } = Guid.NewGuid().ToString().Replace("-", string.Empty);
-
-        public TimeSpan KeepAlivePeriod { get; set; } = TimeSpan.FromSeconds(5);
-
-        public TimeSpan DefaultCommunicationTimeout { get; set; } = TimeSpan.FromSeconds(10);
-    }
-}
@@ -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 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 class MqttCommunicationTimedOutException : MqttCommunicationException
-    {
-    }
-}
@@ -1,24 +0,0 @@
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Internal
-{
-    internal static class MqttApplicationMessageExtensions
-    {
-        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
-            };
-        }
-    }
-}
@@ -1,11 +0,0 @@
-using System.Threading.Tasks;
-
-namespace MQTTnet.Core.Internal
-{
-    internal static class TaskExtensions
-    {
-        public static void Forget(this Task task)
-        {
-        }
-    }
-}
@@ -1,107 +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('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <MinimumVisualStudioVersion>10.0</MinimumVisualStudioVersion>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{99C884F3-B4B9-417D-AA92-DC7DD1C4CFEE}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>MQTTnet.Core</RootNamespace>
-    <AssemblyName>MQTTnet.Core</AssemblyName>
-    <DefaultLanguage>en-US</DefaultLanguage>
-    <FileAlignment>512</FileAlignment>
-    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <TargetFrameworkProfile>Profile111</TargetFrameworkProfile>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <!-- A reference to the entire .NET Framework is automatically included -->
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Adapter\IMqttCommunicationAdapter.cs" />
-    <Compile Include="Adapter\IMqttServerAdapter.cs" />
-    <Compile Include="Adapter\MqttClientConnectedEventArgs.cs" />
-    <Compile Include="Adapter\MqttConnectingFailedException.cs" />
-    <Compile Include="Adapter\MqttChannelCommunicationAdapter.cs" />
-    <Compile Include="Channel\IMqttCommunicationChannel.cs" />
-    <Compile Include="Client\MqttPacketDispatcher.cs" />
-    <Compile Include="Client\MqttSubscribeResult.cs" />
-    <Compile Include="Client\MqttPacketAwaiter.cs" />
-    <Compile Include="Diagnostics\MqttTrace.cs" />
-    <Compile Include="Diagnostics\MqttTraceLevel.cs" />
-    <Compile Include="Diagnostics\MqttTraceMessagePublishedEventArgs.cs" />
-    <Compile Include="Exceptions\MqttCommunicationException.cs" />
-    <Compile Include="Exceptions\MqttCommunicationTimedOutException.cs" />
-    <Compile Include="Exceptions\MqttProtocolViolationException.cs" />
-    <Compile Include="Internal\MqttApplicationMessageExtensions.cs" />
-    <Compile Include="MqttApplicationMessageReceivedEventArgs.cs" />
-    <Compile Include="Packets\IPacketWithPacketIdentifier.cs" />
-    <Compile Include="Packets\MqttConnAckPacket.cs" />
-    <Compile Include="Packets\MqttBasePacket.cs" />
-    <Compile Include="Packets\MqttConnectPacket.cs" />
-    <Compile Include="Packets\MqttDisconnectPacket.cs" />
-    <Compile Include="MqttApplicationMessage.cs" />
-    <Compile Include="Client\MqttClient.cs" />
-    <Compile Include="Client\MqttClientOptions.cs" />
-    <Compile Include="Packets\MqttPingReqPacket.cs" />
-    <Compile Include="Packets\MqttPubCompPacket.cs" />
-    <Compile Include="Packets\MqttBasePublishPacket.cs" />
-    <Compile Include="Packets\MqttUnsubAckPacket.cs" />
-    <Compile Include="Packets\MqttSubAckPacket.cs" />
-    <Compile Include="Packets\MqttPubRelPacket.cs" />
-    <Compile Include="Packets\MqttPingRespPacket.cs" />
-    <Compile Include="Packets\MqttPubAckPacket.cs" />
-    <Compile Include="Packets\MqttPublishPacket.cs" />
-    <Compile Include="Packets\MqttPubRecPacket.cs" />
-    <Compile Include="Packets\MqttUnsubscribe.cs" />
-    <Compile Include="Packets\MqttSubscribePacket.cs" />
-    <Compile Include="Packets\TopicFilter.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Protocol\MqttConnectReturnCode.cs" />
-    <Compile Include="Protocol\MqttControlPacketType.cs" />
-    <Compile Include="Protocol\MqttQualityOfServiceLevel.cs" />
-    <Compile Include="Protocol\MqttSubscribeReturnCode.cs" />
-    <Compile Include="Serializer\ByteReader.cs" />
-    <Compile Include="Serializer\ByteWriter.cs" />
-    <Compile Include="Serializer\DefaultMqttV311PacketSerializer.cs" />
-    <Compile Include="Serializer\IMqttPacketSerializer.cs" />
-    <Compile Include="Serializer\MqttPacketReader.cs" />
-    <Compile Include="Serializer\MqttPacketWriter.cs" />
-    <Compile Include="Server\MqttClientSession.cs" />
-    <Compile Include="Server\MqttClientSessionManager.cs" />
-    <Compile Include="Server\MqttOutgoingPublicationsManager.cs" />
-    <Compile Include="Server\MqttServer.cs" />
-    <Compile Include="Server\MqttServerOptions.cs" />
-    <Compile Include="Server\MqttClientPublishPacketContext.cs" />
-    <Compile Include="Server\MqttTopicFilterComparer.cs" />
-    <Compile Include="Server\MqttClientSubscriptionsManager.cs" />
-    <Compile Include="Internal\TaskExtensions.cs" />
-  </ItemGroup>
-  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.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>
@@ -1,24 +0,0 @@
-using System;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core
-{
-    public 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 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 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 class MqttDisconnectPacket : MqttBasePacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public class MqttPubAckPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public class MqttPubCompPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public class MqttPubRecPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public class MqttPubRelPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,24 +0,0 @@
-using System.Text;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public 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 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 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 class MqttUnsubAckPacket : MqttBasePacket, IPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Packets
-{
-    public 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 class TopicFilter
-    {
-        public TopicFilter(string topic, MqttQualityOfServiceLevel qualityOfServiceLevel)
-        {
-            Topic = topic;
-            QualityOfServiceLevel = qualityOfServiceLevel;
-        }
-
-        public string Topic { get; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; }
-    }
-}
@@ -1,15 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-[assembly: AssemblyTitle("MQTTnet")]
-[assembly: AssemblyDescription("The core library of MQTTnet")]
-[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("0e10d0ea-8e4b-4903-ab9e-93a187d07922")]
-[assembly: AssemblyVersion("2.1.0.4")]
-[assembly: AssemblyFileVersion("2.1.0.4")]
@@ -1,42 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public class ByteReader
-    {
-        private int _index;
-        private readonly int _byte;
-
-        public ByteReader(byte @byte)
-        {
-            _byte = @byte;
-        }
-
-        public bool Read()
-        {
-            if (_index >= 8)
-            {
-                throw new InvalidOperationException("End of the byte reached.");
-            }
-
-            var result = ((1 << _index) & _byte) > 0;
-            _index++;
-
-            return result;
-        }
-
-        public byte Read(int count)
-        {
-            var result = 0;
-            for (var i = 0; i < count; i++)
-            {
-                if (Read())
-                {
-                    result |= 1 << i;
-                }
-            }
-
-            return (byte)result;
-        }
-    }
-}
@@ -1,36 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public class ByteWriter
-    {
-        private int _index;
-        private int _byte;
-
-        public byte Value => (byte)_byte;
-
-        public void Write(byte @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++;
-        }
-    }
-}
@@ -1,632 +0,0 @@
-using System;
-using System.Linq;
-using System.Net;
-using System.Text;
-using System.Text.RegularExpressions;
-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 class DefaultMqttV311PacketSerializer : IMqttPacketSerializer
-    {
-        public async 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)
-            {
-                await SerializeAsync(connectPacket, destination);
-                return;
-            }
-
-            var connAckPacket = packet as MqttConnAckPacket;
-            if (connAckPacket != null)
-            {
-                await SerializeAsync(connAckPacket, destination);
-                return;
-            }
-
-            var disconnectPacket = packet as MqttDisconnectPacket;
-            if (disconnectPacket != null)
-            {
-                await SerializeAsync(disconnectPacket, destination);
-                return;
-            }
-
-            var pingReqPacket = packet as MqttPingReqPacket;
-            if (pingReqPacket != null)
-            {
-                await SerializeAsync(pingReqPacket, destination);
-                return;
-            }
-
-            var pingRespPacket = packet as MqttPingRespPacket;
-            if (pingRespPacket != null)
-            {
-                await SerializeAsync(pingRespPacket, destination);
-                return;
-            }
-
-            var publishPacket = packet as MqttPublishPacket;
-            if (publishPacket != null)
-            {
-                await SerializeAsync(publishPacket, destination);
-                return;
-            }
-
-            var pubAckPacket = packet as MqttPubAckPacket;
-            if (pubAckPacket != null)
-            {
-                await SerializeAsync(pubAckPacket, destination);
-                return;
-            }
-
-            var pubRecPacket = packet as MqttPubRecPacket;
-            if (pubRecPacket != null)
-            {
-                await SerializeAsync(pubRecPacket, destination);
-                return;
-            }
-
-            var pubRelPacket = packet as MqttPubRelPacket;
-            if (pubRelPacket != null)
-            {
-                await SerializeAsync(pubRelPacket, destination);
-                return;
-            }
-
-            var pubCompPacket = packet as MqttPubCompPacket;
-            if (pubCompPacket != null)
-            {
-                await SerializeAsync(pubCompPacket, destination);
-                return;
-            }
-
-            var subscribePacket = packet as MqttSubscribePacket;
-            if (subscribePacket != null)
-            {
-                await SerializeAsync(subscribePacket, destination);
-                return;
-            }
-
-            var subAckPacket = packet as MqttSubAckPacket;
-            if (subAckPacket != null)
-            {
-                await SerializeAsync(subAckPacket, destination);
-                return;
-            }
-
-            var unsubscribePacket = packet as MqttUnsubscribePacket;
-            if (unsubscribePacket != null)
-            {
-                await SerializeAsync(unsubscribePacket, destination);
-                return;
-            }
-
-            var unsubAckPacket = packet as MqttUnsubAckPacket;
-            if (unsubAckPacket != null)
-            {
-                await SerializeAsync(unsubAckPacket, destination);
-                return;
-            }
-
-            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 ProtocolViolationException();
-                        }
-                }
-            }
-        }
-
-        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 ProtocolViolationException("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 ProtocolViolationException("CleanSession must be set if ClientId is empty [MQTT-3.1.3-7].");
-            }
-
-            if (!string.IsNullOrEmpty(packet.ClientId) && !Regex.IsMatch(packet.ClientId, "^[a-zA-Z0-9]*$"))
-            {
-                throw new ProtocolViolationException("ClientId contains invalid characters [MQTT-3.1.3-5].");
-            }
-        }
-
-        private void ValidatePublishPacket(MqttPublishPacket packet)
-        {
-            if (packet.QualityOfServiceLevel == 0 && packet.Dup)
-            {
-                throw new ProtocolViolationException("Dup flag must be false for QoS 0 packets [MQTT-3.3.1-2].");
-            }
-        }
-
-        private async Task SerializeAsync(MqttConnectPacket packet, IMqttCommunicationChannel destination)
-        {
-            ValidateConnectPacket(packet);
-
-            using (var output = new MqttPacketWriter())
-            {
-                // Write variable header
-                output.Write(0x00); // 3.1.2.1 Protocol Name
-                output.Write(0x04); // ""
-                output.Write('M');
-                output.Write('Q');
-                output.Write('T');
-                output.Write('T');
-                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((byte)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);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async 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);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttDisconnectPacket packet, IMqttCommunicationChannel destination)
-        {
-            await SerializeEmptyPacketAsync(MqttControlPacketType.Disconnect, destination);
-        }
-
-        private async Task SerializeAsync(MqttPingReqPacket packet, IMqttCommunicationChannel destination)
-        {
-            await SerializeEmptyPacketAsync(MqttControlPacketType.PingReq, destination);
-        }
-
-        private async Task SerializeAsync(MqttPingRespPacket packet, IMqttCommunicationChannel destination)
-        {
-            await SerializeEmptyPacketAsync(MqttControlPacketType.PingResp, destination);
-        }
-
-        private async 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);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttPubAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubAck);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttPubRecPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubRec);
-                await 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 async Task SerializeAsync(MqttPubCompPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.PubComp);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttSubscribePacket 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.Topic);
-                        output.Write((byte)topicFilter.QualityOfServiceLevel);
-                    }
-                }
-
-                output.InjectFixedHeader(MqttControlPacketType.Subscribe, 0x02);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async 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);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async 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);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeAsync(MqttUnsubAckPacket packet, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.Write(packet.PacketIdentifier);
-
-                output.InjectFixedHeader(MqttControlPacketType.UnsubAck);
-                await output.WriteToAsync(destination);
-            }
-        }
-
-        private async Task SerializeEmptyPacketAsync(MqttControlPacketType type, IMqttCommunicationChannel destination)
-        {
-            using (var output = new MqttPacketWriter())
-            {
-                output.InjectFixedHeader(type);
-                await 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);
-    }
-}
@@ -1,127 +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;
-
-        public MqttPacketReader(IMqttCommunicationChannel source)
-        {
-            _source = source ?? throw new ArgumentNullException(nameof(source));
-        }
-
-        public MqttControlPacketType ControlPacketType { get; private set; }
-
-        public byte FixedHeader { get; private set; }
-
-        public int RemainingLength { 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 _source.ReadAsync(buffer);
-
-            _remainingData.Write(buffer, 0, buffer.Length);
-            _remainingData.Position = 0;
-        }
-
-        private async Task ReadFixedHeaderAsync()
-        {
-            FixedHeader = await ReadStreamByteAsync();
-
-            var byteReader = new ByteReader(FixedHeader);
-            byteReader.Read(4);
-            ControlPacketType = (MqttControlPacketType)byteReader.Read(4);
-        }
-
-        private async Task<byte> ReadStreamByteAsync()
-        {
-            var buffer = new byte[1];
-            await _source.ReadAsync(buffer);
-            return buffer[0];
-        }
-
-        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;
-        }
-
-        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 async Task<byte[]> ReadRemainingDataAsync()
-        {
-            return await 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;
-        }
-
-        public void Dispose()
-        {
-            _remainingData?.Dispose();
-        }
-    }
-}
@@ -1,107 +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();
-
-        public void InjectFixedHeader(byte fixedHeader)
-        {
-            if (_buffer.Length == 0)
-            {
-                Write(fixedHeader);
-                Write(0);
-                return;
-            }
-
-            var remainingLength = (int)_buffer.Length;
-            using (var buffer = new MemoryStream())
-            {
-                _buffer.WriteTo(buffer);
-                _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 = (byte)(x % 128);
-                    x = x / 128;
-                    if (x > 0)
-                    {
-                        encodedByte = (byte)(encodedByte | 128);
-                    }
-
-                    _buffer.WriteByte(encodedByte);
-                } while (x > 0);
-
-                buffer.Position = 0;
-                buffer.WriteTo(_buffer);
-            }
-        }
-
-        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(char value)
-        {
-            _buffer.WriteByte((byte)value);
-        }
-
-        public void Write(ushort value)
-        {
-            var buffer = BitConverter.GetBytes(value);
-            _buffer.WriteByte(buffer[1]);
-            _buffer.WriteByte(buffer[0]);
-        }
-
-        public void Write(ByteWriter value)
-        {
-            _buffer.WriteByte(value.Value);
-        }
-
-        public void Write(byte[] 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 void Dispose()
-        {
-            _buffer?.Dispose();
-        }
-
-        public async Task WriteToAsync(IMqttCommunicationChannel destination)
-        {
-            await destination.WriteAsync(_buffer.ToArray());
-        }
-    }
-}
@@ -1,22 +0,0 @@
-using System;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Server
-{
-    public 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; }
-    }
-}
@@ -1,179 +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 class MqttClientSession
-    {
-        private readonly ConcurrentDictionary<ushort, MqttPublishPacket> _pendingIncomingPublications = new ConcurrentDictionary<ushort, MqttPublishPacket>();
-
-        private readonly MqttClientSubscriptionsManager _subscriptionsManager = new MqttClientSubscriptionsManager();
-        private readonly MqttOutgoingPublicationsManager _outgoingPublicationsManager;
-        private readonly Action<MqttClientSession, MqttPublishPacket> _publishPacketReceivedCallback;
-        private readonly MqttServerOptions _options;
-
-        private CancellationTokenSource _cancellationTokenSource;
-        private IMqttCommunicationAdapter _adapter;
-        private string _identifier;
-        private MqttApplicationMessage _willApplicationMessage;
-        
-        public MqttClientSession(MqttServerOptions options, Action<MqttClientSession, MqttPublishPacket> publishPacketReceivedCallback)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-            _publishPacketReceivedCallback = publishPacketReceivedCallback ?? throw new ArgumentNullException(nameof(publishPacketReceivedCallback));
-            
-            _outgoingPublicationsManager = new MqttOutgoingPublicationsManager(options);
-        }
-
-        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();
-
-                _outgoingPublicationsManager.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());
-                }
-                
-                _outgoingPublicationsManager.Stop();
-                _cancellationTokenSource.Cancel();
-                _adapter = null;
-
-                MqttTrace.Information(nameof(MqttClientSession), $"Client '{_identifier}': Disconnected.");
-            }
-        }
-
-        public void DispatchPublishPacket(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;
-            }
-
-            _outgoingPublicationsManager.Enqueue(senderClientSession, publishPacket);
-            MqttTrace.Verbose(nameof(MqttClientSession), $"Client '{_identifier}: Enqueued pending publish packet.");
-        }
-
-        private async Task HandleIncomingPacketAsync(MqttBasePacket packet)
-        {
-            var subscribePacket = packet as MqttSubscribePacket;
-            if (subscribePacket != null)
-            {
-                await _adapter.SendPacketAsync(_subscriptionsManager.Subscribe(subscribePacket), _options.DefaultCommunicationTimeout);
-                return;
-            }
-
-            var unsubscribePacket = packet as MqttUnsubscribePacket;
-            if (unsubscribePacket != null)
-            {
-                await _adapter.SendPacketAsync(_subscriptionsManager.Unsubscribe(unsubscribePacket), _options.DefaultCommunicationTimeout);
-                return;
-            }
-
-            var publishPacket = packet as MqttPublishPacket;
-            if (publishPacket != null)
-            {
-                await HandleIncomingPublishPacketAsync(publishPacket);
-                return;
-            }
-
-            var pubRelPacket = packet as MqttPubRelPacket;
-            if (pubRelPacket != null)
-            {
-                await HandleIncomingPubRelPacketAsync(pubRelPacket);
-                return;
-            }
-
-            var pubAckPacket = packet as MqttPubAckPacket;
-            if (pubAckPacket != null)
-            {
-                await HandleIncomingPubAckPacketAsync(pubAckPacket);
-                return;
-            }
-
-            if (packet is MqttPingReqPacket)
-            {
-                await _adapter.SendPacketAsync(new MqttPingRespPacket(), _options.DefaultCommunicationTimeout);
-                return;
-            }
-
-            if (packet is MqttDisconnectPacket || packet is MqttConnectPacket)
-            {
-                _cancellationTokenSource.Cancel();
-                return;
-            }
-
-            MqttTrace.Warning(nameof(MqttClientSession), $"Client '{_identifier}': Received not supported packet ({packet}). Closing connection.");
-            _cancellationTokenSource.Cancel();
-        }
-
-        private async Task HandleIncomingPubAckPacketAsync(MqttPubAckPacket pubAckPacket)
-        {
-            await Task.FromResult(0);
-        }
-
-        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);
-        }
-    }
-}
@@ -1,93 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using System.Linq;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public class MqttClientSessionManager
-    {
-        private readonly ConcurrentDictionary<string, MqttClientSession> _clientSessions = new ConcurrentDictionary<string, MqttClientSession>();
-        private readonly MqttServerOptions _options;
-
-        public MqttClientSessionManager(MqttServerOptions options)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-        }
-
-        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 = MqttConnectReturnCode.ConnectionAccepted;
-                if (_options.ConnectionValidator != null)
-                {
-                    connectReturnCode = _options.ConnectionValidator(connectPacket);
-                }
-
-                MqttClientSession clientSession = null;
-                var isSessionPresent = _clientSessions.ContainsKey(connectPacket.ClientId);
-                if (isSessionPresent && connectPacket.CleanSession)
-                {
-                    MqttClientSession _;
-                    _clientSessions.TryRemove(connectPacket.ClientId, out _);
-                }
-                else if (!connectPacket.CleanSession)
-                {
-                    _clientSessions.TryGetValue(connectPacket.ClientId, out clientSession);
-                }
-
-                await eventArgs.ClientAdapter.SendPacketAsync(new MqttConnAckPacket
-                {
-                    ConnectReturnCode = connectReturnCode,
-                    IsSessionPresent = clientSession != null
-                }, _options.DefaultCommunicationTimeout);
-
-                if (connectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
-                {
-                    return;
-                }
-
-                if (clientSession == null)
-                {
-                    clientSession = new MqttClientSession(_options, DispatchPublishPacket);
-                    _clientSessions.TryAdd(connectPacket.ClientId, clientSession);
-                }
-
-                await clientSession.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()
-        {
-            _clientSessions.Clear();
-        }
-
-        private void DispatchPublishPacket(MqttClientSession senderClientSession, MqttPublishPacket publishPacket)
-        {
-            foreach (var clientSession in _clientSessions.Values.ToList())
-            {
-                clientSession.DispatchPublishPacket(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 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;
-        }
-    }
-}
@@ -1,129 +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 class MqttOutgoingPublicationsManager
-    {
-        private readonly AutoResetEvent _resetEvent = new AutoResetEvent(false);
-        private readonly List<MqttClientPublishPacketContext> _pendingPublishPackets = new List<MqttClientPublishPacketContext>();
-
-        private readonly MqttServerOptions _options;
-        private CancellationTokenSource _cancellationTokenSource;
-        private IMqttCommunicationAdapter _adapter;
-
-        public MqttOutgoingPublicationsManager(MqttServerOptions options)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-        }
-
-        public void Start(IMqttCommunicationAdapter adapter)
-        {
-            if (_cancellationTokenSource != null)
-            {
-                throw new InvalidOperationException($"{nameof(MqttOutgoingPublicationsManager)} already started.");
-            }
-
-            _adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            Task.Run(async () => await SendPendingPublishPacketsAsync(_cancellationTokenSource.Token)).Forget();
-        }
-
-        public void Stop()
-        {
-            _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));
-                _resetEvent.Set();
-            }
-        }
-
-        private async Task SendPendingPublishPacketsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    _resetEvent.WaitOne();
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        return;
-                    }
-
-                    List<MqttClientPublishPacketContext> pendingPublishPackets;
-                    lock (_pendingPublishPackets)
-                    {
-                        pendingPublishPackets = _pendingPublishPackets.ToList();
-                    }
-
-                    foreach (var publishPacket in pendingPublishPackets)
-                    {
-                        await TrySendPendingPublishPacketAsync(publishPacket);
-                    }
-                }
-                catch (Exception e)
-                {
-                    MqttTrace.Error(nameof(MqttOutgoingPublicationsManager), 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(MqttOutgoingPublicationsManager), exception, "Sending publish packet failed.");
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttOutgoingPublicationsManager), exception, "Sending publish packet failed.");
-            }
-            finally
-            {
-                publishPacketContext.SendTries++;
-            }
-        }
-
-        private void Cleanup()
-        {
-            lock (_pendingPublishPackets)
-            {
-                _pendingPublishPackets.RemoveAll(p => p.IsSent);
-            }
-        }
-    }
-}
@@ -1,67 +0,0 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Internal;
-
-namespace MQTTnet.Core.Server
-{
-    public class MqttServer
-    {
-        private readonly MqttClientSessionManager _clientSessionManager;
-        private readonly IMqttServerAdapter _adapter;
-        private readonly MqttServerOptions _options;
-
-        private CancellationTokenSource _cancellationTokenSource;
-
-        public MqttServer(MqttServerOptions options, IMqttServerAdapter adapter)
-        {
-            _options = options ?? throw new ArgumentNullException(nameof(options));
-            _adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
-            
-            _clientSessionManager = new MqttClientSessionManager(options);
-        }
-
-        public void InjectClient(string identifier, IMqttCommunicationAdapter adapter)
-        {
-            if (adapter == null) throw new ArgumentNullException(nameof(adapter));
-
-            OnClientConnected(this, new MqttClientConnectedEventArgs(identifier, adapter));
-        }
-
-        public void Start()
-        {
-            if (_cancellationTokenSource != null)
-            {
-                throw new InvalidOperationException("The server is already started.");
-            }
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            _adapter.ClientConnected += OnClientConnected;
-            _adapter.Start(_options);
-
-            MqttTrace.Information(nameof(MqttServer), "Started.");
-        }
-
-        public void Stop()
-        {
-            _cancellationTokenSource?.Cancel();
-            _cancellationTokenSource = null;
-
-            _adapter.ClientConnected -= OnClientConnected;
-            _adapter.Stop();
-
-            _clientSessionManager.Clear();
-
-            MqttTrace.Information(nameof(MqttServer), "Stopped.");
-        }
-
-        private void OnClientConnected(object sender, MqttClientConnectedEventArgs eventArgs)
-        {
-            MqttTrace.Information(nameof(MqttServer), $"Client '{eventArgs.Identifier}': Connected.");
-            Task.Run(async () => await _clientSessionManager.RunClientSessionAsync(eventArgs), _cancellationTokenSource.Token).Forget();
-        }
-    }
-}
@@ -1,17 +0,0 @@
-using System;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Server
-{
-    public class MqttServerOptions
-    {
-        public int Port { get; set; } = 1883;
-
-        public int ConnectionBacklog { get; set; } = 10;
-
-        public TimeSpan DefaultCommunicationTimeout { get; set; } = TimeSpan.FromSeconds(10);
-
-        public Func<MqttConnectPacket, MqttConnectReturnCode> ConnectionValidator { get; set; }
-    }
-}
@@ -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 +1,241 @@
+
+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
+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
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3587E506-55A2-4EB3-99C7-DC01E42D25D2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{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|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
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+	ProjectSection(SolutionItems) = preProject
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+		Build\MQTTnet.AspNetCore.nuspec = Build\MQTTnet.AspNetCore.nuspec
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+		Build\MQTTnet.Extensions.Rpc.nuspec = Build\MQTTnet.Extensions.Rpc.nuspec
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+	ProjectSection(SolutionItems) = preProject
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+		appveyor.yml = appveyor.yml
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+		README.md = README.md
+	EndProjectSection
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 EndProject
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 <p align="center">
 <img src="https://github.com/chkr1011/MQTTnet/blob/master/Images/Logo_128x128.png?raw=true" width="128">
+<br/>
+<br/>
 </p>

+[![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)
+
 # MQTTnet
-MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server.
+
+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
+
+### General
+
+* Async support
+* 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 (~150 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 Framework 4.5.2+
-* .NET Core 1.0+
-* Universal Windows (UWP) 10.0.10240+
+* .NET Standard 1.3+
+* .NET Core 1.1+
+* .NET Core App 1.1+
+* .NET Framework 4.5.2+ (x86, x64, 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+

-# MqttClient
-## Example
+## Supported MQTT versions

-```c#
-var options = new MqttClientOptions
-{
-    Server = "localhost"
-};
+* 5.0.0
+* 3.1.1
+* 3.1.0

-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();
-};
+## Nuget

-client.Connected += async (s, e) =>
-{
-    Console.WriteLine("### CONNECTED WITH SERVER ###");
+This library is available as a nuget package: <https://www.nuget.org/packages/MQTTnet/>

-    await client.SubscribeAsync(new List<TopicFilter>
-    {
-        new TopicFilter("#", MqttQualityOfServiceLevel.AtMostOnce)
-    });
+## Examples

-    Console.WriteLine("### SUBSCRIBED ###");
-};
+Please find examples and the documentation at the Wiki of this repository (<https://github.com/chkr1011/MQTTnet/wiki>).

-client.Disconnected += async (s, e) => 
-{
-    Console.WriteLine("### DISCONNECTED FROM SERVER ###");
-    await Task.Delay(TimeSpan.FromSeconds(5));
+## Contributions

-    try
-    {
-        await client.ConnectAsync();
-    }
-    catch
-    {
-        Console.WriteLine("### RECONNECTING FAILED ###");
-    }
-};
+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.

-try
-{
-    await client.ConnectAsync();
-}
-catch
-{
-    Console.WriteLine("### CONNECTING FAILED ###");
-}
+**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)**.

-Console.WriteLine("### WAITING FOR APPLICATION MESSAGES ###");
+## References

-while (true)
-{
-    Console.ReadLine();
+This library is used in the following projects:

-    var applicationMessage = new MqttApplicationMessage(
-        "A/B/C",
-        Encoding.UTF8.GetBytes("Hello World"),
-        MqttQualityOfServiceLevel.AtLeastOnce,
-        false
-    );
+* 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>)

-    await client.PublishAsync(applicationMessage);
-}
-```
+If you use this library and want to see your project here please create a pull request.

-# MqttServer
+## License

-## Example 
+MIT License

-```c#
-var options = new MqttServerOptions
-{
-    ConnectionValidator = p =>
-    {
-        if (p.ClientId == "SpecialClient")
-        {
-            if (p.Username != "USER" || p.Password != "PASS")
-            {
-                return MqttConnectReturnCode.ConnectionRefusedBadUsernameOrPassword;
-            }
-        }
+MQTTnet Copyright (c) 2016-2019 Christian Kratky

-        return MqttConnectReturnCode.ConnectionAccepted;
-    }
-};
+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:

-var mqttServer = new MqttServerFactory().CreateMqttServer(options);
-mqttServer.Start();
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.

-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))
+                {
+                    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 +1,33 @@
+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);
+                        return new MqttConnectionContext(new MqttPacketFormatterAdapter(options.ProtocolVersion), 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;
+            }
+        }
+    }
+}
@@ -0,0 +1,70 @@
+using System;
+using System.Diagnostics;
+using System.IO.Pipelines;
+using System.Net.Sockets;
+using System.Runtime.CompilerServices;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public class SocketAwaitable : ICriticalNotifyCompletion
+    {
+        private static readonly Action _callbackCompleted = () => { };
+
+        private readonly PipeScheduler _ioScheduler;
+
+        private Action _callback;
+        private int _bytesTransferred;
+        private SocketError _error;
+
+        public SocketAwaitable(PipeScheduler ioScheduler)
+        {
+            _ioScheduler = ioScheduler;
+        }
+
+        public bool IsCompleted => ReferenceEquals(_callback, _callbackCompleted);
+
+        public SocketAwaitable GetAwaiter() => this;
+
+        public int GetResult()
+        {
+            Debug.Assert(ReferenceEquals(_callback, _callbackCompleted));
+
+            _callback = null;
+
+            if (_error != SocketError.Success)
+            {
+                throw new SocketException((int)_error);
+            }
+
+            return _bytesTransferred;
+        }
+
+        public void OnCompleted(Action continuation)
+        {
+            if (ReferenceEquals(_callback, _callbackCompleted) ||
+                ReferenceEquals(Interlocked.CompareExchange(ref _callback, continuation, null), _callbackCompleted))
+            {
+                Task.Run(continuation);
+            }
+        }
+
+        public void UnsafeOnCompleted(Action continuation)
+        {
+            OnCompleted(continuation);
+        }
+
+        public void Complete(int bytesTransferred, SocketError socketError)
+        {
+            _error = socketError;
+            _bytesTransferred = bytesTransferred;
+            var continuation = Interlocked.Exchange(ref _callback, _callbackCompleted);
+
+            if (continuation != null)
+            {
+                _ioScheduler.Schedule(state => ((Action)state)(), continuation);
+            }
+        }
+    }
+}
@@ -0,0 +1,37 @@
+using System;
+using System.IO.Pipelines;
+using System.Net.Sockets;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public class SocketReceiver
+    {
+        private readonly Socket _socket;
+        private readonly SocketAsyncEventArgs _eventArgs = new SocketAsyncEventArgs();
+        private readonly SocketAwaitable _awaitable;
+
+        public SocketReceiver(Socket socket, PipeScheduler scheduler)
+        {
+            _socket = socket;
+            _awaitable = new SocketAwaitable(scheduler);
+            _eventArgs.UserToken = _awaitable;
+            _eventArgs.Completed += (_, e) => ((SocketAwaitable)e.UserToken).Complete(e.BytesTransferred, e.SocketError);
+        }
+
+        public SocketAwaitable ReceiveAsync(Memory<byte> buffer)
+        {
+#if NETCOREAPP2_1
+            _eventArgs.SetBuffer(buffer);
+#else
+            var segment = buffer.GetArray();
+            _eventArgs.SetBuffer(segment.Array, segment.Offset, segment.Count);
+#endif
+            if (!_socket.ReceiveAsync(_eventArgs))
+            {
+                _awaitable.Complete(_eventArgs.BytesTransferred, _eventArgs.SocketError);
+            }
+
+            return _awaitable;
+        }
+    }
+}
@@ -0,0 +1,97 @@
+using System;
+using System.Buffers;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO.Pipelines;
+using System.Net.Sockets;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public class SocketSender
+    {
+        private readonly Socket _socket;
+        private readonly SocketAsyncEventArgs _eventArgs = new SocketAsyncEventArgs();
+        private readonly SocketAwaitable _awaitable;
+
+        private List<ArraySegment<byte>> _bufferList;
+
+        public SocketSender(Socket socket, PipeScheduler scheduler)
+        {
+            _socket = socket;
+            _awaitable = new SocketAwaitable(scheduler);
+            _eventArgs.UserToken = _awaitable;
+            _eventArgs.Completed += (_, e) => ((SocketAwaitable)e.UserToken).Complete(e.BytesTransferred, e.SocketError);
+        }
+
+        public SocketAwaitable SendAsync(in ReadOnlySequence<byte> buffers)
+        {
+            if (buffers.IsSingleSegment)
+            {
+                return SendAsync(buffers.First);
+            }
+
+#if NETCOREAPP2_1
+            if (!_eventArgs.MemoryBuffer.Equals(Memory<byte>.Empty))
+#else
+            if (_eventArgs.Buffer != null)
+#endif
+            {
+                _eventArgs.SetBuffer(null, 0, 0);
+            }
+
+            _eventArgs.BufferList = GetBufferList(buffers);
+
+            if (!_socket.SendAsync(_eventArgs))
+            {
+                _awaitable.Complete(_eventArgs.BytesTransferred, _eventArgs.SocketError);
+            }
+
+            return _awaitable;
+        }
+
+        private SocketAwaitable SendAsync(ReadOnlyMemory<byte> memory)
+        {
+            // The BufferList getter is much less expensive then the setter.
+            if (_eventArgs.BufferList != null)
+            {
+                _eventArgs.BufferList = null;
+            }
+
+#if NETCOREAPP2_1
+            _eventArgs.SetBuffer(MemoryMarshal.AsMemory(memory));
+#else
+            var segment = memory.GetArray();
+            _eventArgs.SetBuffer(segment.Array, segment.Offset, segment.Count);
+#endif
+            if (!_socket.SendAsync(_eventArgs))
+            {
+                _awaitable.Complete(_eventArgs.BytesTransferred, _eventArgs.SocketError);
+            }
+
+            return _awaitable;
+        }
+
+        private List<ArraySegment<byte>> GetBufferList(in ReadOnlySequence<byte> buffer)
+        {
+            Debug.Assert(!buffer.IsEmpty);
+            Debug.Assert(!buffer.IsSingleSegment);
+
+            if (_bufferList == null)
+            {
+                _bufferList = new List<ArraySegment<byte>>();
+            }
+            else
+            {
+                // Buffers are pooled, so it's OK to root them until the next multi-buffer write.
+                _bufferList.Clear();
+            }
+
+            foreach (var b in buffer)
+            {
+                _bufferList.Add(b.GetArray());
+            }
+
+            return _bufferList;
+        }
+    }
+}
@@ -0,0 +1,258 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.Pipelines;
+using System.Net;
+using System.Net.Sockets;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Connections;
+using Microsoft.AspNetCore.Http.Features;
+using MQTTnet.Exceptions;
+
+namespace MQTTnet.AspNetCore.Client.Tcp
+{
+    public class TcpConnection : ConnectionContext
+    {
+        private volatile bool _aborted;
+        private readonly EndPoint _endPoint;
+        private SocketSender _sender;
+        private SocketReceiver _receiver;
+
+        private Socket _socket;
+        private IDuplexPipe _application;
+
+        public bool IsConnected { get; private set; }
+        public override string ConnectionId { get; set; }
+        public override IFeatureCollection Features { get; }
+        public override IDictionary<object, object> Items { get; set; }
+        public override IDuplexPipe Transport { get; set; }
+
+        public TcpConnection(EndPoint endPoint)
+        {
+            _endPoint = endPoint;
+        }
+
+        public TcpConnection(Socket socket)
+        {
+            _socket = socket;
+            _endPoint = socket.RemoteEndPoint;
+
+            _sender = new SocketSender(_socket, PipeScheduler.ThreadPool);
+            _receiver = new SocketReceiver(_socket, PipeScheduler.ThreadPool);
+        }
+
+        public Task DisposeAsync()
+        {
+            IsConnected = false;
+
+            Transport?.Output.Complete();
+            Transport?.Input.Complete();
+
+            _socket?.Dispose();
+
+            return Task.CompletedTask;
+        }
+
+        public async Task StartAsync()
+        {
+            if (_socket == null)
+            {
+                _socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+                _sender = new SocketSender(_socket, PipeScheduler.ThreadPool);
+                _receiver = new SocketReceiver(_socket, PipeScheduler.ThreadPool);
+                await _socket.ConnectAsync(_endPoint);
+            }
+
+            var pair = DuplexPipe.CreateConnectionPair(PipeOptions.Default, PipeOptions.Default);
+
+            Transport = pair.Transport;
+            _application = pair.Application;
+
+            _ = ExecuteAsync();
+
+            IsConnected = true;
+        }
+
+        private async Task ExecuteAsync()
+        {
+            Exception sendError = null;
+            try
+            {
+                // Spawn send and receive logic
+                var receiveTask = DoReceive();
+                var sendTask = DoSend();
+
+                // If the sending task completes then close the receive
+                // We don't need to do this in the other direction because the kestrel
+                // will trigger the output closing once the input is complete.
+                if (await Task.WhenAny(receiveTask, sendTask) == sendTask)
+                {
+                    // Tell the reader it's being aborted
+                    _socket.Dispose();
+                }
+
+                // Now wait for both to complete
+                await receiveTask;
+                sendError = await sendTask;
+
+                // Dispose the socket(should noop if already called)
+                _socket.Dispose();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Unexpected exception in {nameof(TcpConnection)}.{nameof(StartAsync)}: " + ex);
+            }
+            finally
+            {
+                // Complete the output after disposing the socket
+                _application.Input.Complete(sendError);
+            }
+        }
+        private async Task DoReceive()
+        {
+            Exception error = null;
+
+            try
+            {
+                await ProcessReceives();
+            }
+            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.ConnectionReset)
+            {
+                error = new MqttCommunicationException(ex);
+            }
+            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.OperationAborted ||
+                                             ex.SocketErrorCode == SocketError.ConnectionAborted ||
+                                             ex.SocketErrorCode == SocketError.Interrupted ||
+                                             ex.SocketErrorCode == SocketError.InvalidArgument)
+            {
+                if (!_aborted)
+                {
+                    // Calling Dispose after ReceiveAsync can cause an "InvalidArgument" error on *nix.
+                    error = ConnectionAborted();
+                }
+            }
+            catch (ObjectDisposedException)
+            {
+                if (!_aborted)
+                {
+                    error = ConnectionAborted();
+                }
+            }
+            catch (IOException ex)
+            {
+                error = ex;
+            }
+            catch (Exception ex)
+            {
+                error = new IOException(ex.Message, ex);
+            }
+            finally
+            {
+                if (_aborted)
+                {
+                    error = error ?? ConnectionAborted();
+                }
+
+                _application.Output.Complete(error);
+            }
+        }
+
+        private async Task ProcessReceives()
+        {
+            while (true)
+            {
+                // Ensure we have some reasonable amount of buffer space
+                var buffer = _application.Output.GetMemory();
+
+                var bytesReceived = await _receiver.ReceiveAsync(buffer);
+
+                if (bytesReceived == 0)
+                {
+                    // FIN
+                    break;
+                }
+
+                _application.Output.Advance(bytesReceived);
+
+                var flushTask = _application.Output.FlushAsync();
+
+                if (!flushTask.IsCompleted)
+                {
+                    await flushTask;
+                }
+
+                var result = flushTask.GetAwaiter().GetResult();
+                if (result.IsCompleted)
+                {
+                    // Pipe consumer is shut down, do we stop writing
+                    break;
+                }
+            }
+        }
+
+        private Exception ConnectionAborted()
+        {
+            return new MqttCommunicationException("Connection Aborted");
+        }
+
+        private async Task<Exception> DoSend()
+        {
+            Exception error = null;
+
+            try
+            {
+                await ProcessSends();
+            }
+            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.OperationAborted)
+            {
+            }
+            catch (ObjectDisposedException)
+            {
+            }
+            catch (IOException ex)
+            {
+                error = ex;
+            }
+            catch (Exception ex)
+            {
+                error = new IOException(ex.Message, ex);
+            }
+            finally
+            {
+                _aborted = true;
+                _socket.Shutdown(SocketShutdown.Both);
+            }
+
+            return error;
+        }
+
+        private async Task ProcessSends()
+        {
+            while (true)
+            {
+                // Wait for data to write from the pipe producer
+                var result = await _application.Input.ReadAsync();
+                var buffer = result.Buffer;
+
+                if (result.IsCanceled)
+                {
+                    break;
+                }
+
+                var end = buffer.End;
+                var isCompleted = result.IsCompleted;
+                if (!buffer.IsEmpty)
+                {
+                    await _sender.SendAsync(buffer);
+                }
+
+                _application.Input.AdvanceTo(end);
+
+                if (isCompleted)
+                {
+                    break;
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Connections;
+
+namespace MQTTnet.AspNetCore
+{
+    public static class ConnectionBuilderExtensions
+    {
+        public static IConnectionBuilder UseMqtt(this IConnectionBuilder builder)
+        {
+            return builder.UseConnectionHandler<MqttConnectionHandler>();
+        }
+    }
+}
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <Product />
+    <Company />
+    <Authors />
+    <PackageId />
+    <LangVersion>7.2</LangVersion>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <DefineConstants>RELEASE;NETSTANDARD2_0</DefineConstants>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Connections.Abstractions" Version="2.1.3" />
+    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="2.1.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\MQTTnet\MQTTnet.csproj" />
+  </ItemGroup>
+
+</Project>
@@ -0,0 +1,129 @@
+using Microsoft.AspNetCore.Connections;
+using MQTTnet.Adapter;
+using MQTTnet.AspNetCore.Client.Tcp;
+using MQTTnet.Exceptions;
+using MQTTnet.Packets;
+using System;
+using System.IO.Pipelines;
+using System.Threading;
+using System.Threading.Tasks;
+using MQTTnet.Formatter;
+
+namespace MQTTnet.AspNetCore
+{
+    public class MqttConnectionContext : IMqttChannelAdapter
+    {
+        public MqttConnectionContext(MqttPacketFormatterAdapter packetFormatterAdapter, ConnectionContext connection)
+        {
+            PacketFormatterAdapter = packetFormatterAdapter ?? throw new ArgumentNullException(nameof(packetFormatterAdapter));
+            Connection = connection ?? throw new ArgumentNullException(nameof(connection));
+        }
+
+        public string Endpoint => Connection.ConnectionId;
+        public bool IsSecureConnection => false; // TODO: Fix detection.
+        public ConnectionContext Connection { get; }
+        public MqttPacketFormatterAdapter PacketFormatterAdapter { get; }
+        public event EventHandler ReadingPacketStarted;
+        public event EventHandler ReadingPacketCompleted;
+
+        private readonly SemaphoreSlim _writerSemaphore = new SemaphoreSlim(1, 1);
+
+        public Task ConnectAsync(TimeSpan timeout, CancellationToken cancellationToken)
+        {
+            if (Connection is TcpConnection tcp && !tcp.IsConnected)
+            {
+                return tcp.StartAsync();
+            }
+            return Task.CompletedTask;
+        }
+
+        public Task DisconnectAsync(TimeSpan timeout, CancellationToken cancellationToken)
+        {
+            Connection.Transport.Input.Complete();
+            Connection.Transport.Output.Complete();
+
+            return Task.CompletedTask;
+        }
+
+        public async Task<MqttBasePacket> ReceivePacketAsync(TimeSpan timeout, CancellationToken cancellationToken)
+        {
+            var input = Connection.Transport.Input;
+
+            try
+            {
+                while (!cancellationToken.IsCancellationRequested)
+                {
+                    ReadResult readResult;
+                    var readTask = input.ReadAsync(cancellationToken);
+                    if (readTask.IsCompleted)
+                    {
+                        readResult = readTask.Result;
+                    }
+                    else
+                    {
+                        readResult = await readTask.ConfigureAwait(false);
+                    }
+
+                    var buffer = readResult.Buffer;
+
+                    var consumed = buffer.Start;
+                    var observed = buffer.Start;
+
+                    try
+                    {
+                        if (!buffer.IsEmpty)
+                        {
+                            if (PacketFormatterAdapter.TryDecode(buffer, out var packet, out consumed, out observed))
+                            {
+                                return packet;
+                            }
+                            else
+                            {
+                                // we did receive something but the message is not yet complete
+                                ReadingPacketStarted?.Invoke(this, EventArgs.Empty);
+                            }
+                        }
+                        else if (readResult.IsCompleted)
+                        {
+                            throw new MqttCommunicationException("Connection Aborted");
+                        }
+                    }
+                    finally
+                    {
+                        // The buffer was sliced up to where it was consumed, so we can just advance to the start.
+                        // We mark examined as buffer.End so that if we didn't receive a full frame, we'll wait for more data
+                        // before yielding the read again.
+                        input.AdvanceTo(consumed, observed);
+                    }
+                }
+            }
+            finally
+            {
+                ReadingPacketCompleted?.Invoke(this, EventArgs.Empty);
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+            return null;
+        }
+
+        public async Task SendPacketAsync(MqttBasePacket packet, TimeSpan timeout, CancellationToken cancellationToken)
+        {
+            var buffer = PacketFormatterAdapter.Encode(packet).AsMemory();
+            var output = Connection.Transport.Output;
+
+            await _writerSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
+            try
+            {
+                await output.WriteAsync(buffer, cancellationToken).ConfigureAwait(false);
+            }
+            finally
+            {
+                _writerSemaphore.Release();
+            }
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}
@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Connections;
+using Microsoft.AspNetCore.Connections.Features;
+using MQTTnet.Adapter;
+using MQTTnet.Server;
+using System;
+using System.Threading.Tasks;
+using MQTTnet.Formatter;
+
+namespace MQTTnet.AspNetCore
+{
+    public class MqttConnectionHandler : ConnectionHandler, IMqttServerAdapter
+    {
+        public Action<MqttServerAdapterClientAcceptedEventArgs> ClientAcceptedHandler { get; set; }
+
+        public override async Task OnConnectedAsync(ConnectionContext connection)
+        {
+            // required for websocket transport to work
+            var transferFormatFeature = connection.Features.Get<ITransferFormatFeature>();
+            if (transferFormatFeature != null)
+            {
+                transferFormatFeature.ActiveFormat = TransferFormat.Binary;
+            }
+
+            using (var adapter = new MqttConnectionContext(new MqttPacketFormatterAdapter(), connection))
+            {
+                var args = new MqttServerAdapterClientAcceptedEventArgs(adapter);
+                ClientAcceptedHandler?.Invoke(args);
+
+                await args.SessionTask.ConfigureAwait(false);
+            }
+        }
+
+        public Task StartAsync(IMqttServerOptions options)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task StopAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Hosting;
+using MQTTnet.Adapter;
+using MQTTnet.Diagnostics;
+using MQTTnet.Server;
+
+namespace MQTTnet.AspNetCore
+{
+    public class MqttHostedServer : MqttServer, IHostedService
+    {
+        private readonly IMqttServerOptions _options;
+
+        public MqttHostedServer(IMqttServerOptions options, IEnumerable<IMqttServerAdapter> adapters, IMqttNetLogger logger) 
+            : base(adapters, logger.CreateChildLogger(nameof(MqttHostedServer)))
+        {
+            _options = options ?? throw new ArgumentNullException(nameof(options));
+        }
+
+        public Task StartAsync(CancellationToken cancellationToken)
+        {
+            return StartAsync(_options);
+        }
+
+        public Task StopAsync(CancellationToken cancellationToken)
+        {
+            return StopAsync();
+        }
+    }
+}
@@ -0,0 +1,62 @@
+using System;
+using System.Net.WebSockets;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using MQTTnet.Adapter;
+using MQTTnet.Diagnostics;
+using MQTTnet.Formatter;
+using MQTTnet.Implementations;
+using MQTTnet.Server;
+
+namespace MQTTnet.AspNetCore
+{
+    public class MqttWebSocketServerAdapter : IMqttServerAdapter
+    {
+        private readonly IMqttNetChildLogger _logger;
+
+        public MqttWebSocketServerAdapter(IMqttNetChildLogger logger)
+        {
+            if (logger == null) throw new ArgumentNullException(nameof(logger));
+
+            _logger = logger.CreateChildLogger(nameof(MqttTcpServerAdapter));
+        }
+
+        public Action<MqttServerAdapterClientAcceptedEventArgs> ClientAcceptedHandler { get; set; }
+
+        public Task StartAsync(IMqttServerOptions options)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task StopAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public async Task RunWebSocketConnectionAsync(WebSocket webSocket, HttpContext httpContext)
+        {
+            if (webSocket == null) throw new ArgumentNullException(nameof(webSocket));
+
+            var endpoint = $"{httpContext.Connection.RemoteIpAddress}:{httpContext.Connection.RemotePort}";
+            
+            var clientCertificate = await httpContext.Connection.GetClientCertificateAsync().ConfigureAwait(false);
+            var isSecureConnection = clientCertificate != null;
+            clientCertificate?.Dispose();
+
+            var channel = new MqttWebSocketChannel(webSocket, endpoint, isSecureConnection);
+            var clientAdapter = new MqttChannelAdapter(channel, new MqttPacketFormatterAdapter(), _logger.CreateChildLogger(nameof(MqttWebSocketServerAdapter)));
+
+            var eventArgs = new MqttServerAdapterClientAcceptedEventArgs(clientAdapter);
+            ClientAcceptedHandler?.Invoke(eventArgs);
+
+            if (eventArgs.SessionTask != null)
+            {
+                await eventArgs.SessionTask.ConfigureAwait(false);
+            }
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}
--- a/Show More
+++ b/Show More