Merge branch 'develop'

Add test execution in build script.
Update nugets.
2026-10-15 00:15:15 +08:00 · 2019-08-18 21:00:40 +02:00 · 2019-08-18 20:56:26 +02:00 · 2019-08-14 23:06:45 +02:00 · 2019-08-14 22:57:17 +02:00 · 2019-08-14 22:53:55 +02:00
547 changed files with 29559 additions and 6938 deletions
@@ -0,0 +1,3 @@
+component_depth: 2
+languages:
+- csharp
@@ -0,0 +1,46 @@
+---
+name: Bug report
+about: Create a report to help us improve.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+### Describe the bug
+A clear and concise description of what the bug is.
+
+### Which project is your bug related to?
+<!-- Remove the items which don't apply from the following list -->
+- Client
+- ManagedClient
+- MQTTnet.Server standalone
+- Server
+- Generic
+
+### To Reproduce
+Steps to reproduce the behavior:
+1. Using this version of MQTTnet '...'.
+2. Run this code '....'.
+3. With these arguments '....'.
+4. See error.
+
+### Expected behavior
+A clear and concise description of what you expected to happen.
+
+### Screenshots
+If applicable, add screenshots to help explain your problem.
+
+### Additional context / logging
+Add any other context about the problem here.
+Include debugging or logging information here:
+
+```batch
+\\ Put your logging output here.
+```
+### Code example
+ Please provide full code examples below where possible to make it easier for the developers to check your issues.
+ 
+```csharp
+\\ Put your code here.
+```
@@ -0,0 +1,19 @@
+---
+name: Custom issue template
+about: Do you have a question related to the project? Use this template.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+### Describe your question
+A clear and concise description of what you want to know.
+
+### Which project is your question related to?
+<!-- Remove the items which don't apply from the following list -->
+- Client
+- ManagedClient
+- MQTTnet.Server standalone
+- Server
+- Generic
@@ -0,0 +1,29 @@
+---
+name: Feature request
+about: Suggest an idea for this project.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+### Describe the feature request
+Is your feature request related to a problem? Please describe.
+A clear and concise description of what the problem is. Example. I'm am trying to do [...] but [...]
+
+### Which project is your feature request related to?
+<!-- Remove the items which don't apply from the following list -->
+- Client
+- ManagedClient
+- MQTTnet.Server standalone
+- Server
+- Generic
+
+### Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+### Describe alternatives you've considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+### Additional context
+Add any other context or screenshots about the feature request here.
@@ -197,7 +197,7 @@ ClientBin/
 *.dbmdl
 *.dbproj.schemaview
 *.jfm
-*.pfx
+# *.pfx
 *.publishsettings
 orleans.codegen.cs

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

 # Typescript v1 declaration files
 typings/
@@ -287,5 +288,9 @@ __pycache__/
 *.odx.cs
 *.xsd.cs

+*.js
+*.map

-Build/nuget.exe
+/Tests/MQTTnet.TestApp.NetCore/RetainedMessages.json
+
+Build/NuGet/
@@ -1,10 +0,0 @@
-language: csharp
-solution: MQTTnet.sln
-
-matrix:
-  include:
-    - dotnet: 2.0.0
-      mono: none
-      dist: trusty
-      env: DOTNETCORE=1  # optional, can be used to take different code paths in your script
-    - mono: latest
@@ -0,0 +1,33 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.AspNetCore</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is a support library to integrate MQTTnet into AspNetCore.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags>
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+
+      <dependency id="Microsoft.AspNetCore.Connections.Abstractions" version="2.1.3" />
+      <dependency id="Microsoft.AspNetCore.Http.Connections" version="1.0.3"  />
+      <dependency id="Microsoft.AspNetCore.WebSockets" version="2.1.1" />
+      <dependency id="Microsoft.Extensions.Hosting.Abstractions" version="2.1.1" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.AspNetCore\bin\Release\netstandard2.0\MQTTnet.AspNetCore.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.ManagedClient</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which provides a managed MQTT client with additional features using MQTTnet.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard1.3\MQTTnet.Extensions.ManagedClient.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\netstandard2.0\MQTTnet.Extensions.ManagedClient.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\uap10.0\MQTTnet.Extensions.ManagedClient.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\net452\MQTTnet.Extensions.ManagedClient.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.ManagedClient\bin\Release\net461\MQTTnet.Extensions.Rpc.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.Rpc</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which allows executing synchronous device calls including a response using MQTTnet.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard1.3\MQTTnet.Extensions.Rpc.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\netstandard2.0\MQTTnet.Extensions.Rpc.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\uap10.0\MQTTnet.Extensions.Rpc.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\net452\MQTTnet.Extensions.Rpc.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.Rpc\bin\Release\net461\MQTTnet.Extensions.Rpc.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.Extensions.WebSocket4Net</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is an extension library which allows using _WebSocket4Net_ as transport for MQTTnet clients.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <dependency id="MQTTnet" version="$nugetVersion" />
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\netstandard1.3\MQTTnet.Extensions.WebSocket4Net.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\netstandard2.0\MQTTnet.Extensions.WebSocket4Net.*" target="lib\netstandard2.0\"/>
+
+    <!-- Universal Windows -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\uap10.0\MQTTnet.Extensions.WebSocket4Net.*" target="lib\uap10.0\"/>
+
+    <!-- .NET Framework -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\net452\MQTTnet.Extensions.WebSocket4Net.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet.Extensions.WebSocket4Net\bin\Release\net461\MQTTnet.Extensions.WebSocket4Net.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
+  </files>
+</package>
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.NETStandard</id>
+    <version>0.0.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <license type="file">LICENSE</license>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This package contains the .NET Standard version of MQTTnet only.</description>
+    <releaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
+    <dependencies>
+      <group targetFramework="netstandard1.3">
+        <dependency id="NETStandard.Library" version="1.3.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />      
+      </group>
+      <group targetFramework="netstandard2.0">
+        <dependency id="NETStandard.Library" version="2.0.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />
+      </group>
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- License -->
+    <file src="..\LICENSE" />
+
+    <!-- .NET Standard 1.3 -->
+    <file src="..\Source\MQTTnet\bin\Release\netstandard1.3\MQTTnet.*" target="lib\netstandard1.3\"/>
+
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Source\MQTTnet\bin\Release\netstandard2.0\MQTTnet.*" target="lib\netstandard2.0\"/>
+  </files>
+</package>
@@ -2,50 +2,64 @@
 <package >
  <metadata>
    <id>MQTTnet</id>
-    <version>2.3.0</version>
+    <version>0.0.0</version>
    <authors>Christian Kratky</authors>
    <owners>Christian Kratky</owners>
-    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <license type="file">LICENSE</license>
    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker).</description>
-    <releaseNotes>* [Client] Added support for web socket communication channel (thanks to nowakpiotr)
-* [Core] Huge performance optimizations (thanks to JanEggers)
-* [Client] Fixed an issue when calling _DisconnectAsync_ and the connection is already closed.
-* [Core] Added several new interfaces
-* [Core] Added a factory for creation of application messages
-* [Core] Fixed issues in connection handling
-* [Client] Fixed issues with subscribing/unsubscribing (breaking change!)
+    <description>MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker) and supports v3.1.0, v3.1.1 and v5.0.0 of the MQTT protocol.</description>
+    <releaseNotes>
+* [Core] Converted all pending methods to use async/await.
+* [Core] Fixed an issue when serializing a PubRec (QoS 2) packet for MQTTv5.
+* [Client] Fixed an issue when checking for revoked SSL certificates (thanks to @cslutgen).
+* [RpcClient] Added support for custom topic generation strategies.
+* [Server] Refactoring of server certificate password classes (BREAKING CHANGE!).
+* [Server] Fixed an issue with empty server certificate passwords (thanks to @SeppPenner).
+* [MQTTnet.Server] Added support for certificate passwords (BREAKING CHANGE IN CONFIG!)
+* [MQTTnet.AspNetCore] Fixed an issue with MQTTv5 package serialization (#743, thanks to @JanEggers, @pcbing).
    </releaseNotes>
-    <copyright>Copyright Christian Kratky 2016-2017</copyright>
-    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M</tags> 
+    <copyright>Copyright Christian Kratky 2016-2019</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
    <dependencies>
-
      <group targetFramework="netstandard1.3">
-        <dependency id="NETStandard.Library" version="1.6.1" />
-        <dependency id="System.Net.Security" version="4.3.1" />
+        <dependency id="NETStandard.Library" version="1.3.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />      
+      </group>
+      <group targetFramework="netstandard2.0">
+        <dependency id="NETStandard.Library" version="2.0.0" />
+        <dependency id="System.Net.Security" version="4.3.2" />
+        <dependency id="System.Net.WebSockets" version="4.3.0" />
+        <dependency id="System.Net.WebSockets.Client" version="4.3.2" />
      </group>
-      
      <group targetFramework="uap10.0">
-        <dependency id="Microsoft.NETCore.UniversalWindowsPlatform" version="5.4.0" />
+        <dependency id="Microsoft.NETCore.UniversalWindowsPlatform" version="6.2.8" />
      </group>
-
    </dependencies>
  </metadata>

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

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

    <!-- .NET Framework -->
-    <file src="..\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.Core.*" target="lib\net45\"/>
-    <file src="..\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.*" target="lib\net45\"/>
-    
+    <file src="..\Source\MQTTnet\bin\Release\net452\MQTTnet.*" target="lib\net452\"/>
+
+    <!-- .NET Framework 4.6.0 will use binaries from 4.5.2. -->
+    <file src="..\Source\MQTTnet\bin\Release\net461\MQTTnet.*" target="lib\net461\"/>
+
+    <!-- Everything above .NET Framework 4.6.1 will use the binaries from 4.6.1. -->
  </files>
 </package>
@@ -1,12 +1,126 @@
-param([string]$version)
+param([string]$assemblyVersion, [string]$nugetVersion)

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

-$msbuild = "MSBuild.exe"
-&$msbuild ..\Frameworks\MQTTnet.NetFramework\MQTTnet.NetFramework.csproj /t:Build /p:Configuration="Release"
-&$msbuild ..\Frameworks\MQTTnet.Netstandard\MQTTnet.Netstandard.csproj /t:Build /p:Configuration="Release"
-&$msbuild ..\Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj /t:Build /p:Configuration="Release"
+$vswhere = ${Env:\ProgramFiles(x86)} + '\Microsoft Visual Studio\Installer\vswhere'
+$msbuild = &$vswhere -products * -requires Microsoft.Component.MSBuild -latest -find MSBuild\**\Bin\MSBuild.exe
+
+Write-Host
+Write-Host "Assembly version = $assemblyVersion"
+Write-Host "Nuget version    = $nugetVersion"
+Write-Host "MSBuild path     = $msbuild"
+Write-Host
+
+# Build the core library
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet\MQTTnet.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the ASP.NET Core 2.0 extension
+&$msbuild ..\Source\MQTTnet.AspNetCore\MQTTnet.AspNetCore.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the RPC extension
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.Rpc\MQTTnet.Extensions.Rpc.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the Managed Client extension
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.ManagedClient\MQTTnet.Extensions.ManagedClient.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build the WebSocket4Net extension
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net452" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="net461" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard1.3" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netstandard2.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+&$msbuild ..\Source\MQTTnet.Extensions.WebSocket4Net\MQTTnet.Extensions.WebSocket4Net.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="uap10.0" /p:FileVersion=$assemblyVersion /p:AssemblyVersion=$assemblyVersion /verbosity:m /p:SignAssembly=true /p:AssemblyOriginatorKeyFile=".\..\..\Build\codeSigningKey.pfx"
+
+# Build and execute tests
+&$msbuild ..\Tests\MQTTnet.Core.Tests\MQTTnet.Tests.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netcoreapp2.1" /verbosity:m
+&$msbuild ..\Tests\MQTTnet.AspNetCore.Tests\MQTTnet.AspNetCore.Tests.csproj /t:Build /p:Configuration="Release" /p:TargetFramework="netcoreapp2.1" /verbosity:m
+
+vstest.console.exe ..\Tests\MQTTnet.Core.Tests\bin\Release\netcoreapp2.1\MQTTnet.Tests.dll
+vstest.console.exe ..\Tests\MQTTnet.AspNetCore.Tests\bin\Release\netcoreapp2.1\MQTTnet.AspNetCore.Tests.dll
+
+# Create NuGet packages.
+Invoke-WebRequest -Uri "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe" -OutFile "nuget.exe"
+
+Remove-Item .\NuGet -Force -Recurse -ErrorAction SilentlyContinue
+
+Copy-Item MQTTnet.AspNetCore.nuspec -Destination MQTTnet.AspNetCore.nuspec.old -Force
+(Get-Content MQTTnet.AspNetCore.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.AspNetCore.nuspec
+Copy-Item MQTTnet.Extensions.Rpc.nuspec -Destination MQTTnet.Extensions.Rpc.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.Rpc.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.Rpc.nuspec
+Copy-Item MQTTnet.Extensions.ManagedClient.nuspec -Destination MQTTnet.Extensions.ManagedClient.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.ManagedClient.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.ManagedClient.nuspec
+Copy-Item MQTTnet.Extensions.WebSocket4Net.nuspec -Destination MQTTnet.Extensions.WebSocket4Net.nuspec.old -Force
+(Get-Content MQTTnet.Extensions.WebSocket4Net.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.WebSocket4Net.nuspec

-Remove-Item .\NuGet -Force -Recurse
 New-Item -ItemType Directory -Force -Path .\NuGet
-.\NuGet.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version
+.\nuget.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.NETStandard.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.AspNetCore.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.Rpc.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.ManagedClient.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+.\nuget.exe pack MQTTnet.Extensions.WebSocket4Net.nuspec -Verbosity detailed -Symbols -SymbolPackageFormat snupkg -OutputDir "NuGet" -Version $nugetVersion
+
+Move-Item MQTTnet.AspNetCore.nuspec.old -Destination MQTTnet.AspNetCore.nuspec -Force
+Move-Item MQTTnet.Extensions.Rpc.nuspec.old -Destination MQTTnet.Extensions.Rpc.nuspec -Force
+Move-Item MQTTnet.Extensions.ManagedClient.nuspec.old -Destination MQTTnet.Extensions.ManagedClient.nuspec -Force
+Move-Item MQTTnet.Extensions.WebSocket4Net.nuspec.old -Destination MQTTnet.Extensions.WebSocket4Net.nuspec -Force
+
+Remove-Item "nuget.exe" -Force -Recurse -ErrorAction SilentlyContinue
+
+####################################################################
+
+# Build MQTTnet.Server Portable
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Portable-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Linux-x64
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime linux-x64 
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\linux-x64\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Linux-x64-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Linux-ARM
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime linux-arm 
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\linux-ARM\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Linux-ARM-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
+
+# Build MQTTnet.Server Windows-x64
+&dotnet publish ..\Source\MQTTnet.Server\MQTTnet.Server.csproj --configuration Release /p:FileVersion=$assemblyVersion /p:Version=$nugetVersion --self-contained --runtime win-x64
+
+$source = "..\Source\MQTTnet.Server\bin\Release\netcoreapp2.2\win-x64\publish"
+$destination = "..\Source\MQTTnet.Server\bin\MQTTnet.Server-Windows-x64-v$nugetVersion.zip"
+If(Test-path $destination) {Remove-item $destination}
+ Add-Type -assembly "system.io.compression.filesystem"
+[io.compression.zipfile]::CreateFromDirectory($source, $destination) 
+
+####################################################################
@@ -0,0 +1,13 @@
+param([string]$apiKey)
+
+Invoke-WebRequest -Uri "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe" -OutFile "nuget.exe"
+
+$files = Get-ChildItem -Path ".\NuGet" -Filter "*.nupkg"
+foreach ($file in $files)
+{
+	Write-Host "Uploading: " $file
+
+	.\nuget.exe push $file.Fullname $apiKey -Source https://api.nuget.org/v3/index.json
+}
+
+Remove-Item "nuget.exe" -Force -Recurse -ErrorAction SilentlyContinue
@@ -0,0 +1,9 @@
+# Import codeSigningKey.pfx
+In order to import the key for code signing on a new developer machine use the following command within the VS developer command line:
+
+> sn –i codeSigningKey.pfx VS_KEY_EFCA4C5B6DFD4B4F
+
+The container name may be different.
+
+# Check if the assembly has a strong name
+> sn -vf MQTTnet.dll
@@ -1,129 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _defaultEndpointSocket;
-        private Socket _tlsEndpointSocket;
-        private X509Certificate2 _tlsCertificate;
-
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-            _isRunning = true;
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
-                _defaultEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                if (options.TlsEndpointOptions.Certificate == null)
-                {
-                    throw new ArgumentException("TLS certificate is not set.");
-                }
-
-                _tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
-
-                _tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
-                _tlsEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _cancellationTokenSource?.Cancel(false);
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-
-            _tlsEndpointSocket?.Dispose();
-            _tlsEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null).ConfigureAwait(false);
-
-                    var tcpChannel = new MqttTcpChannel(clientSocket, null);
-                    var clientAdapter = new MqttChannelCommunicationAdapter(tcpChannel, new MqttPacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception) when (!(exception is ObjectDisposedException))
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
-
-                    //excessive CPU consumed if in endless loop of socket errors
-                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
-                }
-            }
-        }
-
-        private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await Task.Factory.FromAsync(_tlsEndpointSocket.BeginAccept, _tlsEndpointSocket.EndAccept, null).ConfigureAwait(false);
-
-                    var sslStream = new SslStream(new NetworkStream(clientSocket));
-                    await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false).ConfigureAwait(false);
-
-                    var tcpChannel = new MqttTcpChannel(clientSocket, sslStream);
-                    var clientAdapter = new MqttChannelCommunicationAdapter(tcpChannel, new MqttPacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at TLS endpoint.");
-
-                    //excessive CPU consumed if in endless loop of socket errors
-                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
-                }
-            }
-        }
-    }
-}
@@ -1,116 +0,0 @@
-using System;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using System.IO;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        // ReSharper disable once MemberCanBePrivate.Global
-        // ReSharper disable once AutoPropertyCanBeMadeGetOnly.Global
-        public static int BufferSize { get; set; } = 4096 * 20; // Can be changed for fine tuning by library user.
-
-        private Socket _socket;
-        private SslStream _sslStream;
-
-        /// <summary>
-        /// called on client sockets are created in connect
-        /// </summary>
-        public MqttTcpChannel()
-        {
-
-        }
-
-        /// <summary>
-        /// called on server, sockets are passed in
-        /// connect will not be called
-        /// </summary>
-        public MqttTcpChannel(Socket socket, SslStream sslStream)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-            _sslStream = sslStream;
-            CreateStreams(socket, sslStream);
-        }
-
-        public Stream SendStream { get; private set; }
-        public Stream ReceiveStream { get; private set; }
-        public Stream RawReceiveStream { get; private set; }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_socket == null)
-            {
-                _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-            }
-
-            await Task.Factory.FromAsync(_socket.BeginConnect, _socket.EndConnect, options.Server, options.GetPort(), null).ConfigureAwait(false);
-
-            if (options.TlsOptions.UseTls)
-            {
-                _sslStream = new SslStream(new NetworkStream(_socket, true));
-
-                await _sslStream.AuthenticateAsClientAsync(options.Server, LoadCertificates(options), SslProtocols.Tls12, options.TlsOptions.CheckCertificateRevocation).ConfigureAwait(false);
-            }
-
-            CreateStreams(_socket, _sslStream);
-        }
-
-        public Task DisconnectAsync()
-        {
-            Dispose();
-            return Task.FromResult(0);
-        }
-
-        public void Dispose()
-        {
-            RawReceiveStream?.Dispose();
-            RawReceiveStream = null;
-
-            ReceiveStream?.Dispose();
-            ReceiveStream = null;
-
-            SendStream?.Dispose();
-            SendStream = null;
-
-            _socket?.Dispose();
-            _socket = null;
-
-            _sslStream?.Dispose();
-            _sslStream = null;
-        }
-
-        private void CreateStreams(Socket socket, Stream sslStream)
-        {
-            RawReceiveStream = sslStream ?? new NetworkStream(socket);
-
-            //cannot use this as default buffering prevents from receiving the first connect message
-            //need two streams otherwise read and write have to be synchronized
-            SendStream = new BufferedStream(RawReceiveStream, BufferSize);
-            ReceiveStream = new BufferedStream(RawReceiveStream, BufferSize);
-        }
-
-        private static X509CertificateCollection LoadCertificates(MqttClientOptions options)
-        {
-            var certificates = new X509CertificateCollection();
-            if (options.TlsOptions.Certificates == null)
-            {
-                return certificates;
-            }
-
-            foreach (var certificate in options.TlsOptions.Certificates)
-            {
-                certificates.Add(new X509Certificate(certificate));
-            }
-
-            return certificates;
-        }
-    }
-}
@@ -1,55 +0,0 @@
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttWebSocketChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private ClientWebSocket _webSocket;
-
-        public Stream RawReceiveStream { get; private set; }
-        public Stream SendStream => RawReceiveStream;
-        public Stream ReceiveStream => RawReceiveStream;
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            var uri = options.Server;
-            if (!uri.StartsWith("ws://", StringComparison.OrdinalIgnoreCase))
-            {
-                uri = "ws://" + uri;
-            }
-
-            if (options.Port.HasValue)
-            {
-                uri += ":" + options.Port;
-            }
-            
-            _webSocket = new ClientWebSocket();
-            _webSocket.Options.KeepAliveInterval = options.KeepAlivePeriod;
-            await _webSocket.ConnectAsync(new Uri(uri), CancellationToken.None).ConfigureAwait(false);
-            RawReceiveStream = new WebSocketStream(_webSocket);
-        }
-
-        public async Task DisconnectAsync()
-        {
-            RawReceiveStream = null;
-
-            if (_webSocket == null)
-            {
-                return;
-            }
-
-            await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).ConfigureAwait(false);
-        }
-
-        public void Dispose()
-        {
-            _webSocket?.Dispose();
-        }
-    }
-}
@@ -1,77 +0,0 @@
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public class WebSocketStream : Stream
-    {
-        private readonly ClientWebSocket _webSocket;
-
-        public WebSocketStream(ClientWebSocket webSocket)
-        {
-            _webSocket = webSocket;
-        }
-
-        public override void Flush()
-        {
-        }
-
-        public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            var currentOffset = offset;
-            var targetOffset = offset + count;
-            while (_webSocket.State == WebSocketState.Open && currentOffset < targetOffset)
-            {
-                var response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(buffer, currentOffset, count), cancellationToken).ConfigureAwait(false);
-                currentOffset += response.Count;
-
-                if (response.MessageType == WebSocketMessageType.Close)
-                {
-                    await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, cancellationToken).ConfigureAwait(false);
-                }
-            }
-
-            return currentOffset - offset;
-        }
-
-        public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            return _webSocket.SendAsync(new ArraySegment<byte>(buffer, offset, count), WebSocketMessageType.Binary, true, cancellationToken);
-        }
-
-        public override int Read(byte[] buffer, int offset, int count)
-        {
-            return ReadAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override void Write(byte[] buffer, int offset, int count)
-        {
-            WriteAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override bool CanRead => true;
-        public override bool CanSeek => false;
-        public override bool CanWrite => true;
-
-        public override long Length => throw new NotSupportedException();
-
-        public override long Position
-        {
-            get => throw new NotSupportedException();
-            set => throw new NotSupportedException();
-        }
-
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new NotSupportedException();
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new NotSupportedException();
-        }
-    }
-}
@@ -1,125 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <TargetFrameworkProfile />
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|AnyCPU'">
-    <OutputPath>bin\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x86\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>bin\x86\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x86'">
-    <OutputPath>bin\x86\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x64\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
-    <OutputPath>bin\x64\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x64'">
-    <OutputPath>bin\x64\Any CPU\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Implementations\MqttWebSocketChannel.cs" />
-    <Compile Include="Implementations\WebSocketStream.cs" />
-    <Compile Include="MqttClientFactory.cs" />
-    <Compile Include="MqttServerFactory.cs" />
-    <Compile Include="Implementations\MqttServerAdapter.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Implementations\MqttTcpChannel.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj">
-      <Project>{2ecb99e4-72d0-4c23-99ba-93d511d3967d}</Project>
-      <Name>MQTTnet.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
@@ -1,33 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory : IMqttClientFactory
-    {
-        public IMqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(GetMqttCommunicationChannel(options), new MqttPacketSerializer()));
-        }
-
-        private static IMqttCommunicationChannel GetMqttCommunicationChannel(MqttClientOptions options)
-        {
-            switch (options.ConnectionType)
-            {
-                case MqttConnectionType.Tcp:
-                    return new MqttTcpChannel();
-                case MqttConnectionType.Ws:
-                    return new MqttWebSocketChannel();
-
-                default:
-                    throw new NotSupportedException();
-            }
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory : IMqttServerFactory
-    {
-        public IMqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,15 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-[assembly: AssemblyTitle("MQTTnet")]
-[assembly: AssemblyDescription("MQTTnet for .NET Framework")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Christian Kratky")]
-[assembly: AssemblyProduct("MQTTnet")]
-[assembly: AssemblyCopyright("Copyright © Christian Kratky 2016-2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-[assembly: ComVisible(false)]
-[assembly: Guid("a480ef90-0eaa-4d9a-b271-47a9c47f6f7d")]
-[assembly: AssemblyVersion("2.3.0.0")]
-[assembly: AssemblyFileVersion("2.3.0.0")]
@@ -1,125 +0,0 @@
-using System;
-using System.Net;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private CancellationTokenSource _cancellationTokenSource;
-        private Socket _defaultEndpointSocket;
-        private Socket _tlsEndpointSocket;
-        private X509Certificate2 _tlsCertificate;
-
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-
-            _isRunning = true;
-
-            _cancellationTokenSource = new CancellationTokenSource();
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
-                _defaultEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                if (options.TlsEndpointOptions.Certificate == null)
-                {
-                    throw new ArgumentException("TLS certificate is not set.");
-                }
-
-                _tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
-
-                _tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-                _tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
-                _tlsEndpointSocket.Listen(options.ConnectionBacklog);
-
-                Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _cancellationTokenSource?.Cancel(false);
-            _cancellationTokenSource?.Dispose();
-            _cancellationTokenSource = null;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-
-            _tlsEndpointSocket?.Dispose();
-            _tlsEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await _defaultEndpointSocket.AcceptAsync().ConfigureAwait(false);
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, null), new MqttPacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
-
-                    //excessive CPU consumed if in endless loop of socket errors
-                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
-                }
-            }
-        }
-
-        private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
-        {
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                try
-                {
-                    var clientSocket = await _tlsEndpointSocket.AcceptAsync().ConfigureAwait(false);
-
-                    var sslStream = new SslStream(new NetworkStream(clientSocket));
-                    await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false).ConfigureAwait(false);
-
-                    var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, sslStream), new MqttPacketSerializer());
-                    ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
-                }
-                catch (Exception exception)
-                {
-                    MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at TLS endpoint.");
-
-                    //excessive CPU consumed if in endless loop of socket errors
-                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
-                }
-            }
-        }
-    }
-}
@@ -1,94 +0,0 @@
-using System;
-using System.Net.Security;
-using System.Net.Sockets;
-using System.Security.Authentication;
-using System.Security.Cryptography.X509Certificates;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using System.IO;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private Socket _socket;
-        private SslStream _sslStream;
-        
-        /// <summary>
-        /// called on client sockets are created in connect
-        /// </summary>
-        public MqttTcpChannel()
-        {
-        }
-
-        /// <summary>
-        /// called on server, sockets are passed in
-        /// connect will not be called
-        /// </summary>
-        public MqttTcpChannel(Socket socket, SslStream sslStream)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-            _sslStream = sslStream;
-            ReceiveStream = (Stream)sslStream ?? new NetworkStream(socket);
-        }
-
-        public Stream SendStream => ReceiveStream;
-        public Stream ReceiveStream { get; private set; }
-        public Stream RawReceiveStream => ReceiveStream;
-        
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_socket == null)
-            {
-                _socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
-            }
-
-            await _socket.ConnectAsync(options.Server, options.GetPort()).ConfigureAwait(false);
-
-            if (options.TlsOptions.UseTls)
-            {
-                _sslStream = new SslStream(new NetworkStream(_socket, true));
-                ReceiveStream = _sslStream;
-                await _sslStream.AuthenticateAsClientAsync(options.Server, LoadCertificates(options), SslProtocols.Tls12, options.TlsOptions.CheckCertificateRevocation).ConfigureAwait(false);
-            }
-            else
-            {
-                ReceiveStream = new NetworkStream(_socket);
-            }
-        }
-
-        public Task DisconnectAsync()
-        {
-            Dispose();
-            return Task.FromResult(0);
-        }
-
-        public void Dispose()
-        {
-            _socket?.Dispose();
-            _socket = null;
-
-            _sslStream?.Dispose();
-            _sslStream = null;
-        }
-
-        private static X509CertificateCollection LoadCertificates(MqttClientOptions options)
-        {
-            var certificates = new X509CertificateCollection();
-            if (options.TlsOptions.Certificates == null)
-            {
-                return certificates;
-            }
-
-            foreach (var certificate in options.TlsOptions.Certificates)
-            {
-                certificates.Add(new X509Certificate(certificate));
-            }
-
-            return certificates;
-        }
-    }
-}
@@ -1,55 +0,0 @@
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttWebSocketChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private ClientWebSocket _webSocket;
-
-        public Stream SendStream => RawReceiveStream;
-        public Stream ReceiveStream => RawReceiveStream;
-        public Stream RawReceiveStream { get; private set; }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            var uri = options.Server;
-            if (!uri.StartsWith("ws://", StringComparison.OrdinalIgnoreCase))
-            {
-                uri = "ws://" + uri;
-            }
-
-            if (options.Port.HasValue)
-            {
-                uri += ":" + options.Port;
-            }
-            
-            _webSocket = new ClientWebSocket();
-            _webSocket.Options.KeepAliveInterval = options.KeepAlivePeriod;
-            await _webSocket.ConnectAsync(new Uri(uri), CancellationToken.None);
-            RawReceiveStream = new WebSocketStream(_webSocket);
-        }
-
-        public async Task DisconnectAsync()
-        {
-            RawReceiveStream = null;
-
-            if (_webSocket == null)
-            {
-                return;
-            }
-
-            await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).ConfigureAwait(false);
-        }
-
-        public void Dispose()
-        {
-            _webSocket?.Dispose();
-        }
-    }
-}
@@ -1,79 +0,0 @@
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public class WebSocketStream : Stream
-    {
-        private readonly ClientWebSocket _webSocket;
-        
-        public WebSocketStream(ClientWebSocket webSocket)
-        {
-            _webSocket = webSocket;
-        }
-
-        public override bool CanRead => true;
-
-        public override bool CanSeek => false;
-
-        public override bool CanWrite => true;
-
-        public override long Length => throw new NotSupportedException();
-
-        public override long Position
-        {
-            get => throw new NotSupportedException();
-            set => throw new NotSupportedException();
-        }
-
-        public override void Flush()
-        {
-        }
-
-        public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            var currentOffset = offset;
-            var targetOffset = offset + count;
-            while (_webSocket.State == WebSocketState.Open && currentOffset < targetOffset)
-            {
-                var response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(buffer, currentOffset, count), cancellationToken).ConfigureAwait(false);
-                currentOffset += response.Count;
-
-                if (response.MessageType == WebSocketMessageType.Close)
-                {
-                    await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, cancellationToken).ConfigureAwait(false);
-                }
-            }
-
-            return currentOffset - offset;
-        }
-
-        public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            return _webSocket.SendAsync(new ArraySegment<byte>(buffer, offset, count), WebSocketMessageType.Binary, true, cancellationToken);
-        }
-
-        public override int Read(byte[] buffer, int offset, int count)
-        {
-            return ReadAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override void Write(byte[] buffer, int offset, int count)
-        {
-            WriteAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new NotSupportedException();
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new NotSupportedException();
-        }
-    }
-}
@@ -1,32 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard1.3</TargetFramework>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyVersion>2.3.0.0</AssemblyVersion>
-    <FileVersion>2.3.0.0</FileVersion>
-    <Version>0.0.0.0</Version>
-    <Company />
-    <Product />
-    <Description />
-    <Authors />
-    <PackageId />
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <PackageReference Include="System.Net.Security" Version="4.3.1" />
-    <PackageReference Include="System.Net.WebSockets" Version="4.3.0" />
-    <PackageReference Include="System.Net.WebSockets.Client" Version="4.3.1" />
-    <PackageReference Include="System.Threading.Thread" Version="4.3.0" />
-  </ItemGroup>
-
-</Project>
@@ -1,33 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory : IMqttClientFactory
-    {
-        public IMqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(GetMqttCommunicationChannel(options), new MqttPacketSerializer()));
-        }
-
-        private static IMqttCommunicationChannel GetMqttCommunicationChannel(MqttClientOptions options)
-        {
-            switch (options.ConnectionType)
-            {
-                case MqttConnectionType.Tcp:
-                    return new MqttTcpChannel();
-                case MqttConnectionType.Ws:
-                    return new MqttWebSocketChannel();
-
-                default:
-                    throw new NotSupportedException();
-            }
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory : IMqttServerFactory
-    {
-        public IMqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,65 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Core.Server;
-using Windows.Networking.Sockets;
-
-namespace MQTTnet.Implementations
-{
-    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
-    {
-        private StreamSocketListener _defaultEndpointSocket;
-
-        private bool _isRunning;
-
-        public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
-
-        public void Start(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_isRunning) throw new InvalidOperationException("Server is already started.");
-
-            _isRunning = true;
-
-            if (options.DefaultEndpointOptions.IsEnabled)
-            {
-                _defaultEndpointSocket = new StreamSocketListener();
-                _defaultEndpointSocket.BindServiceNameAsync(options.GetDefaultEndpointPort().ToString(), SocketProtectionLevel.PlainSocket).GetAwaiter().GetResult();
-                _defaultEndpointSocket.ConnectionReceived += AcceptDefaultEndpointConnectionsAsync;
-            }
-
-            if (options.TlsEndpointOptions.IsEnabled)
-            {
-                throw new NotSupportedException("TLS servers are not supported for UWP apps.");
-            }
-        }
-
-        public void Stop()
-        {
-            _isRunning = false;
-
-            _defaultEndpointSocket?.Dispose();
-            _defaultEndpointSocket = null;
-        }
-
-        public void Dispose()
-        {
-            Stop();
-        }
-
-        private void AcceptDefaultEndpointConnectionsAsync(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
-        {
-            try
-            {
-                var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(args.Socket), new MqttPacketSerializer());
-                ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(args.Socket.Information.RemoteAddress.ToString(), clientAdapter));
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
-            }
-        }
-    }
-}
@@ -1,98 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using System.Threading.Tasks;
-using Windows.Networking;
-using Windows.Networking.Sockets;
-using Windows.Security.Cryptography.Certificates;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private StreamSocket _socket;
-
-        public MqttTcpChannel()
-        {
-        }
-
-        public MqttTcpChannel(StreamSocket socket)
-        {
-            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
-        }
-
-        public Stream SendStream { get; private set; }
-        public Stream ReceiveStream { get; private set; }
-        public Stream RawReceiveStream { get; private set; }
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            if (_socket == null)
-            {
-                _socket = new StreamSocket();
-            }
-
-            if (!options.TlsOptions.UseTls)
-            {
-                await _socket.ConnectAsync(new HostName(options.Server), options.GetPort().ToString());
-            }
-            else
-            {
-                _socket.Control.ClientCertificate = LoadCertificate(options);
-
-                if (!options.TlsOptions.CheckCertificateRevocation)
-                {
-                    _socket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.IncompleteChain);
-                    _socket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.RevocationInformationMissing);
-                }
-
-                await _socket.ConnectAsync(new HostName(options.Server), options.GetPort().ToString(), SocketProtectionLevel.Tls12);
-            }
-
-            SendStream = _socket.OutputStream.AsStreamForWrite();
-            ReceiveStream = _socket.InputStream.AsStreamForRead();
-            RawReceiveStream = ReceiveStream;
-        }
-
-        public Task DisconnectAsync()
-        {
-            Dispose();
-            return Task.FromResult(0);
-        }
-
-        public void Dispose()
-        {
-            RawReceiveStream?.Dispose();
-            RawReceiveStream = null;
-
-            SendStream?.Dispose();
-            SendStream = null;
-
-            ReceiveStream?.Dispose();
-            ReceiveStream = null;
-
-            _socket?.Dispose();
-            _socket = null;
-        }
-
-        private static Certificate LoadCertificate(MqttClientOptions options)
-        {
-            if (options.TlsOptions.Certificates == null || !options.TlsOptions.Certificates.Any())
-            {
-                return null;
-            }
-
-            if (options.TlsOptions.Certificates.Count > 1)
-            {
-                throw new NotSupportedException("Only one client certificate is supported for UWP.");
-            }
-
-            return new Certificate(options.TlsOptions.Certificates.First().AsBuffer());
-        }
-    }
-}
@@ -1,56 +0,0 @@
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public sealed class MqttWebSocketChannel : IMqttCommunicationChannel, IDisposable
-    {
-        private ClientWebSocket _webSocket = new ClientWebSocket();
-
-        public Stream RawReceiveStream { get; private set; }
-        public Stream SendStream => RawReceiveStream;
-        public Stream ReceiveStream => RawReceiveStream;
-
-        public async Task ConnectAsync(MqttClientOptions options)
-        {
-            var uri = options.Server;
-            if (!uri.StartsWith("ws://", StringComparison.OrdinalIgnoreCase))
-            {
-                uri = "ws://" + uri;
-            }
-
-            if (options.Port.HasValue)
-            {
-                uri += ":" + options.Port;
-            }
-            
-            _webSocket = new ClientWebSocket();
-            _webSocket.Options.KeepAliveInterval = options.KeepAlivePeriod;
-            await _webSocket.ConnectAsync(new Uri(uri), CancellationToken.None).ConfigureAwait(false);
-
-            RawReceiveStream = new WebSocketStream(_webSocket);
-        }
-
-        public async Task DisconnectAsync()
-        {
-            RawReceiveStream = null;
-
-            if (_webSocket == null)
-            {
-                return;
-            }
-
-            await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).ConfigureAwait(false);
-        }
-
-        public void Dispose()
-        {
-            _webSocket?.Dispose();
-        }
-    }
-}
@@ -1,77 +0,0 @@
-using System;
-using System.IO;
-using System.Net.WebSockets;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MQTTnet.Implementations
-{
-    public class WebSocketStream : Stream
-    {
-        private readonly ClientWebSocket _webSocket;
-
-        public WebSocketStream(ClientWebSocket webSocket)
-        {
-            _webSocket = webSocket;
-        }
-
-        public override void Flush()
-        {
-        }
-
-        public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            var currentOffset = offset;
-            var targetOffset = offset + count;
-            while (_webSocket.State == WebSocketState.Open && currentOffset < targetOffset)
-            {
-                var response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(buffer, currentOffset, count), cancellationToken).ConfigureAwait(false);
-                currentOffset += response.Count;
-                
-                if (response.MessageType == WebSocketMessageType.Close)
-                {
-                    await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, cancellationToken).ConfigureAwait(false);
-                }
-            }
-
-            return currentOffset - offset;
-        }
-
-        public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        {
-            return _webSocket.SendAsync(new ArraySegment<byte>(buffer, offset, count), WebSocketMessageType.Binary, true, cancellationToken);
-        }
-
-        public override int Read(byte[] buffer, int offset, int count)
-        {
-            return ReadAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override void Write(byte[] buffer, int offset, int count)
-        {
-            WriteAsync(buffer, offset, count).GetAwaiter().GetResult();
-        }
-
-        public override bool CanRead => true;
-        public override bool CanSeek => false;
-        public override bool CanWrite => true;
-
-        public override long Length => throw new NotSupportedException();
-
-        public override long Position
-        {
-            get => throw new NotSupportedException();
-            set => throw new NotSupportedException();
-        }
-
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new NotSupportedException();
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new NotSupportedException();
-        }
-    }
-}
@@ -1,199 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{BD60C727-D8E8-40C3-B8E3-C95A864AE611}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <DefaultLanguage>en-US</DefaultLanguage>
-    <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.15063.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
-    <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
-    <FileAlignment>512</FileAlignment>
-    <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <RuntimeIdentifiers>win10-arm;win10-arm-aot;win10-x86;win10-x86-aot;win10-x64;win10-x64-aot</RuntimeIdentifiers>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoWarn>CS1591</NoWarn>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
-    <PlatformTarget>x86</PlatformTarget>
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-    <ErrorReport>prompt</ErrorReport>
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-    <Compile Include="MqttClientFactory.cs" />
-    <Compile Include="Implementations\MqttServerAdapter.cs" />
-    <Compile Include="Implementations\MqttTcpChannel.cs" />
-    <Compile Include="MqttServerFactory.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Implementations\WebSocketStream.cs" />
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-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x86'">
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-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <DocumentationFile>bin\ARM\Release\MQTTnet.XML</DocumentationFile>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008</NoWarn>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>ARM</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Any CPU|x64'">
-    <OutputPath>bin\x64\Any CPU\</OutputPath>
-    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
-    <DocumentationFile>bin\x64\Release\MQTTnet.XML</DocumentationFile>
-    <Optimize>true</Optimize>
-    <NoWarn>;2008</NoWarn>
-    <NoStdLib>true</NoStdLib>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <UseVSHostingProcess>false</UseVSHostingProcess>
-    <ErrorReport>prompt</ErrorReport>
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-  </PropertyGroup>
-  <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
@@ -1,33 +0,0 @@
-using System;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Serializer;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttClientFactory : IMqttClientFactory
-    {
-        public IMqttClient CreateMqttClient(MqttClientOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttClient(options, new MqttChannelCommunicationAdapter(GetMqttCommunicationChannel(options), new MqttPacketSerializer()));
-        }
-
-        private static IMqttCommunicationChannel GetMqttCommunicationChannel(MqttClientOptions options)
-        {
-            switch (options.ConnectionType)
-            {
-                case MqttConnectionType.Tcp:
-                    return new MqttTcpChannel();
-                case MqttConnectionType.Ws:
-                    return new MqttWebSocketChannel();
-
-                default:
-                    throw new NotSupportedException();
-            }
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Server;
-using MQTTnet.Implementations;
-
-namespace MQTTnet
-{
-    public class MqttServerFactory : IMqttServerFactory
-    {
-        public IMqttServer CreateMqttServer(MqttServerOptions options)
-        {
-            if (options == null) throw new ArgumentNullException(nameof(options));
-
-            return new MqttServer(options, new List<IMqttServerAdapter> { new MqttServerAdapter() });
-        }
-    }
-}
@@ -1,14 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-[assembly: AssemblyTitle("MQTTnet")]
-[assembly: AssemblyDescription("MQTTnet for Universal Windows")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Christian Kratky")]
-[assembly: AssemblyProduct("MQTTnet")]
-[assembly: AssemblyCopyright("Copyright © Christian Kratky 2016-2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-[assembly: ComVisible(false)]
-[assembly: AssemblyVersion("2.3.0.0")]
-[assembly: AssemblyFileVersion("2.3.0.0")]
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">
-  <Library Name="MQTTnet.Universal">
-  </Library>
-</Directives>
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+       d="M 464.66602,532.89453 542.01562,669.92969 1595.373,1648.873 a 995.76487,866.17896 0 0 1 14.0293,-12.6835 995.76487,866.17896 0 0 1 23.6231,-17.4727 z"
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+       xml:space="preserve"
+       style="font-style:normal;font-weight:normal;font-size:10.58333302px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332"
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+    <ellipse
+       ry="33.94323"
+       rx="39.021355"
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+       cx="124.47787"
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+       ry="50"
+       rx="50"
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+       inkscape:connector-curvature="0"
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+  </g>
+</svg>
@@ -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
@@ -1,23 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Serializer;
-
-namespace MQTTnet.Core.Adapter
-{
-    public interface IMqttCommunicationAdapter
-    {
-        IMqttPacketSerializer PacketSerializer { get; }
-
-        Task ConnectAsync(TimeSpan timeout, MqttClientOptions options);
-
-        Task DisconnectAsync(TimeSpan timeout);
-
-        Task SendPacketsAsync(TimeSpan timeout, CancellationToken cancellationToken, IEnumerable<MqttBasePacket> packets);
-
-        Task<MqttBasePacket> ReceivePacketAsync(TimeSpan timeout, CancellationToken cancellationToken);
-    }
-}
@@ -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();
-    }
-}
@@ -1,189 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Channel;
-using MQTTnet.Core.Client;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Serializer;
-
-namespace MQTTnet.Core.Adapter
-{
-    public class MqttChannelCommunicationAdapter : IMqttCommunicationAdapter
-    {
-        private readonly IMqttCommunicationChannel _channel;
-
-        private Task _sendTask = Task.FromResult(0); // this task is used to prevent overlapping write
-
-        public MqttChannelCommunicationAdapter(IMqttCommunicationChannel channel, IMqttPacketSerializer serializer)
-        {
-            _channel = channel ?? throw new ArgumentNullException(nameof(channel));
-            PacketSerializer = serializer ?? throw new ArgumentNullException(nameof(serializer));
-        }
-
-        public IMqttPacketSerializer PacketSerializer { get; }
-
-        public async Task ConnectAsync(TimeSpan timeout, MqttClientOptions options)
-        {
-            try
-            {
-                await _channel.ConnectAsync(options).TimeoutAfter(timeout).ConfigureAwait(false);
-            }
-            catch (TaskCanceledException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationTimedOutException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationException)
-            {
-                throw;
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task DisconnectAsync(TimeSpan timeout)
-        {
-            try
-            {
-                await _channel.DisconnectAsync().TimeoutAfter(timeout).ConfigureAwait(false);
-            }
-            catch (TaskCanceledException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationTimedOutException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationException)
-            {
-                throw;
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task SendPacketsAsync(TimeSpan timeout, CancellationToken cancellationToken, IEnumerable<MqttBasePacket> packets)
-        {
-            try
-            {
-                lock (_channel)
-                {
-                    foreach (var packet in packets)
-                    {
-                        MqttTrace.Information(nameof(MqttChannelCommunicationAdapter), "TX >>> {0} [Timeout={1}]", packet, timeout);
-
-                        var writeBuffer = PacketSerializer.Serialize(packet);
-                        _sendTask = _sendTask.ContinueWith(p => _channel.SendStream.WriteAsync(writeBuffer, 0, writeBuffer.Length, cancellationToken).ConfigureAwait(false), cancellationToken);
-                    }
-                }
-
-                await _sendTask; // configure await false generates stackoverflow
-
-                if (timeout > TimeSpan.Zero)
-                {
-                    await _channel.SendStream.FlushAsync(cancellationToken).TimeoutAfter(timeout).ConfigureAwait(false);
-                }
-                else
-                {
-                    await _channel.SendStream.FlushAsync(cancellationToken).ConfigureAwait(false);
-                }
-            }
-            catch (TaskCanceledException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationTimedOutException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationException)
-            {
-                throw;
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        public async Task<MqttBasePacket> ReceivePacketAsync(TimeSpan timeout, CancellationToken cancellationToken)
-        {
-            try
-            {
-                ReceivedMqttPacket receivedMqttPacket;
-                if (timeout > TimeSpan.Zero)
-                {
-                    receivedMqttPacket = await ReceiveAsync(_channel.RawReceiveStream, cancellationToken).TimeoutAfter(timeout).ConfigureAwait(false);
-                }
-                else
-                {
-                    receivedMqttPacket = await ReceiveAsync(_channel.ReceiveStream, cancellationToken).ConfigureAwait(false);
-                }
-
-                if (cancellationToken.IsCancellationRequested)
-                {
-                    throw new TaskCanceledException();
-                }
-
-                var packet = PacketSerializer.Deserialize(receivedMqttPacket);
-                if (packet == null)
-                {
-                    throw new MqttProtocolViolationException("Received malformed packet.");
-                }
-
-                MqttTrace.Information(nameof(MqttChannelCommunicationAdapter), "RX <<< {0}", packet);
-                return packet;
-            }
-            catch (TaskCanceledException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationTimedOutException)
-            {
-                throw;
-            }
-            catch (MqttCommunicationException)
-            {
-                throw;
-            }
-            catch (Exception exception)
-            {
-                throw new MqttCommunicationException(exception);
-            }
-        }
-
-        private static async Task<ReceivedMqttPacket> ReceiveAsync(Stream stream, CancellationToken cancellationToken)
-        {
-            var header = MqttPacketReader.ReadHeaderFromSource(stream, cancellationToken);
-
-            if (header.BodyLength == 0)
-            {
-                return new ReceivedMqttPacket(header, new MemoryStream(0));
-            }
-
-            var body = new byte[header.BodyLength];
-
-            var offset = 0;
-            do
-            {
-                var readBytesCount = await stream.ReadAsync(body, offset, body.Length - offset, cancellationToken).ConfigureAwait(false);
-                offset += readBytesCount;
-            } while (offset < header.BodyLength);
-
-            return new ReceivedMqttPacket(header, new MemoryStream(body, 0, body.Length));
-        }
-    }
-}
@@ -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; }
-    }
-}
@@ -1,15 +0,0 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Adapter
-{
-    public static class MqttCommunicationAdapterExtensions
-    {
-        public static Task SendPacketsAsync(this IMqttCommunicationAdapter adapter, TimeSpan timeout, CancellationToken cancellationToken, params MqttBasePacket[] packets)
-        {
-            return adapter.SendPacketsAsync(timeout, cancellationToken, packets);
-        }
-    }
-}
@@ -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; }
-    }
-}
@@ -1,19 +0,0 @@
-using System;
-using System.IO;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Adapter
-{
-    public class ReceivedMqttPacket
-    {
-        public ReceivedMqttPacket(MqttPacketHeader header, MemoryStream body)
-        {
-            Header = header ?? throw new ArgumentNullException(nameof(header));
-            Body = body ?? throw new ArgumentNullException(nameof(body));
-        }
-
-        public MqttPacketHeader Header { get; }
-
-        public MemoryStream Body { get; }
-    }
-}
@@ -1,16 +0,0 @@
-using System.Threading.Tasks;
-using MQTTnet.Core.Client;
-using System.IO;
-
-namespace MQTTnet.Core.Channel
-{
-    public interface IMqttCommunicationChannel
-    {
-        Stream SendStream { get; }
-        Stream ReceiveStream { get; }
-        Stream RawReceiveStream { get; }
-
-        Task ConnectAsync(MqttClientOptions options);
-        Task DisconnectAsync();
-    }
-}
@@ -1,24 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Client
-{
-    public interface IMqttClient
-    {
-        bool IsConnected { get; }
-
-        event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
-        event EventHandler Connected;
-        event EventHandler Disconnected;
-
-        Task ConnectAsync(MqttApplicationMessage willApplicationMessage = null);
-        Task DisconnectAsync();
-
-        Task<IList<MqttSubscribeResult>> SubscribeAsync(IEnumerable<TopicFilter> topicFilters);
-        Task UnsubscribeAsync(IEnumerable<string> topicFilters);
-
-        Task PublishAsync(IEnumerable<MqttApplicationMessage> applicationMessages);
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Client
-{
-    public interface IMqttClientFactory
-    {
-        IMqttClient CreateMqttClient(MqttClientOptions options);
-    }
-}
@@ -1,14 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttApplicationMessageReceivedEventArgs : EventArgs
-    {
-        public MqttApplicationMessageReceivedEventArgs(MqttApplicationMessage applicationMessage)
-        {
-            ApplicationMessage = applicationMessage ?? throw new ArgumentNullException(nameof(applicationMessage));
-        }
-
-        public MqttApplicationMessage ApplicationMessage { get; }
-    }
-}
@@ -1,436 +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;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttClient : IMqttClient
-    {
-        private readonly HashSet<ushort> _unacknowledgedPublishPackets = 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));
-
-            _adapter.PacketSerializer.ProtocolVersion = options.ProtocolVersion;
-        }
-
-        public event EventHandler Connected;
-        public event EventHandler Disconnected;
-        public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
-
-        public bool IsConnected => _cancellationTokenSource != null && !_cancellationTokenSource.IsCancellationRequested;
-
-        public async Task ConnectAsync(MqttApplicationMessage willApplicationMessage = null)
-        {
-            ThrowIfConnected("It is not allowed to connect with a server after the connection is established.");
-
-            try
-            {
-                _cancellationTokenSource = new CancellationTokenSource();
-                _latestPacketIdentifier = 0;
-                _packetDispatcher.Reset();
-
-                MqttTrace.Verbose(nameof(MqttClient), "Trying to connect with server.");
-                await _adapter.ConnectAsync(_options.DefaultCommunicationTimeout, _options).ConfigureAwait(false);
-                MqttTrace.Verbose(nameof(MqttClient), "Connection with server established.");
-
-                StartReceivePackets(_cancellationTokenSource.Token);
-
-                var connectPacket = new MqttConnectPacket
-                {
-                    ClientId = _options.ClientId,
-                    Username = _options.UserName,
-                    Password = _options.Password,
-                    CleanSession = _options.CleanSession,
-                    KeepAlivePeriod = (ushort)_options.KeepAlivePeriod.TotalSeconds,
-                    WillMessage = willApplicationMessage
-                };
-
-                var response = await SendAndReceiveAsync<MqttConnAckPacket>(connectPacket).ConfigureAwait(false);
-                if (response.ConnectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
-                {
-                    throw new MqttConnectingFailedException(response.ConnectReturnCode);
-                }
-
-                MqttTrace.Verbose(nameof(MqttClient), "MQTT connection with server established.");
-
-                if (_options.KeepAlivePeriod != TimeSpan.Zero)
-                {
-                    StartSendKeepAliveMessages(_cancellationTokenSource.Token);
-                }
-
-                Connected?.Invoke(this, EventArgs.Empty);
-            }
-            catch (Exception)
-            {
-                await DisconnectInternalAsync().ConfigureAwait(false);
-                throw;
-            }
-        }
-
-        public async Task DisconnectAsync()
-        {
-            if (!IsConnected)
-            {
-                return;
-            }
-
-            try
-            {
-                await SendAsync(new MqttDisconnectPacket()).ConfigureAwait(false);
-            }
-            finally
-            {
-                await DisconnectInternalAsync().ConfigureAwait(false);
-            }
-        }
-
-        public async Task<IList<MqttSubscribeResult>> SubscribeAsync(IEnumerable<TopicFilter> topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            ThrowIfNotConnected();
-
-            var subscribePacket = new MqttSubscribePacket
-            {
-                PacketIdentifier = GetNewPacketIdentifier(),
-                TopicFilters = topicFilters.ToList()
-            };
-
-            var response = await SendAndReceiveAsync<MqttSubAckPacket>(subscribePacket).ConfigureAwait(false);
-
-            if (response.SubscribeReturnCodes.Count != subscribePacket.TopicFilters.Count)
-            {
-                throw new MqttProtocolViolationException("The return codes are not matching the topic filters [MQTT-3.9.3-1].");
-            }
-
-            return subscribePacket.TopicFilters.Select((t, i) => new MqttSubscribeResult(t, response.SubscribeReturnCodes[i])).ToList();
-        }
-
-        public async Task UnsubscribeAsync(IEnumerable<string> topicFilters)
-        {
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            ThrowIfNotConnected();
-
-            var unsubscribePacket = new MqttUnsubscribePacket
-            {
-                PacketIdentifier = GetNewPacketIdentifier(),
-                TopicFilters = topicFilters.ToList()
-            };
-
-            await SendAndReceiveAsync<MqttUnsubAckPacket>(unsubscribePacket);
-        }
-
-        public async Task PublishAsync(IEnumerable<MqttApplicationMessage> applicationMessages)
-        {
-            ThrowIfNotConnected();
-
-            var publishPackets = applicationMessages.Select(m => m.ToPublishPacket());
-
-            foreach (var qosGroup in publishPackets.GroupBy(p => p.QualityOfServiceLevel))
-            {
-                var qosPackets = qosGroup.ToArray();
-                switch (qosGroup.Key)
-                {
-                    case MqttQualityOfServiceLevel.AtMostOnce:
-                        {
-                            // No packet identifier is used for QoS 0 [3.3.2.2 Packet Identifier]
-                            await _adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, _cancellationTokenSource.Token, qosPackets);
-                            break;
-                        }
-                    case MqttQualityOfServiceLevel.AtLeastOnce:
-                        {
-                            foreach (var publishPacket in qosPackets)
-                            {
-                                publishPacket.PacketIdentifier = GetNewPacketIdentifier();
-                                await SendAndReceiveAsync<MqttPubAckPacket>(publishPacket);
-                            }
-
-                            break;
-                        }
-                    case MqttQualityOfServiceLevel.ExactlyOnce:
-                        {
-                            foreach (var publishPacket in qosPackets)
-                            {
-                                publishPacket.PacketIdentifier = GetNewPacketIdentifier();
-                                var pubRecPacket = await SendAndReceiveAsync<MqttPubRecPacket>(publishPacket).ConfigureAwait(false);
-                                await SendAndReceiveAsync<MqttPubCompPacket>(pubRecPacket.CreateResponse<MqttPubRelPacket>()).ConfigureAwait(false);
-                            }
-
-                            break;
-                        }
-                    default:
-                        {
-                            throw new InvalidOperationException();
-                        }
-                }
-            }
-        }
-
-        private void ThrowIfNotConnected()
-        {
-            if (!IsConnected) throw new MqttCommunicationException("The client is not connected.");
-        }
-
-        private void ThrowIfConnected(string message)
-        {
-            if (IsConnected) throw new MqttProtocolViolationException(message);
-        }
-
-        private async Task DisconnectInternalAsync()
-        {
-            var cts = _cancellationTokenSource;
-            if (cts == null || cts.IsCancellationRequested)
-            {
-                return;
-            }
-
-            cts.Cancel(false);
-            cts.Dispose();
-            _cancellationTokenSource = null;
-
-            try
-            {
-                await _adapter.DisconnectAsync(_options.DefaultCommunicationTimeout).ConfigureAwait(false);
-                MqttTrace.Information(nameof(MqttClient), "Disconnected from adapter.");
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Warning(nameof(MqttClient), exception, "Error while disconnecting from adapter.");
-            }
-            finally
-            {
-                Disconnected?.Invoke(this, EventArgs.Empty);
-            }
-        }
-
-        private async Task ProcessReceivedPacketAsync(MqttBasePacket packet)
-        {
-            try
-            {
-                MqttTrace.Information(nameof(MqttClient), "Received <<< {0}", packet);
-
-                if (packet is MqttPingReqPacket)
-                {
-                    await SendAsync(new MqttPingRespPacket());
-                    return;
-                }
-
-                if (packet is MqttDisconnectPacket)
-                {
-                    await DisconnectAsync();
-                    return;
-                }
-
-                if (packet is MqttPublishPacket publishPacket)
-                {
-                    await ProcessReceivedPublishPacket(publishPacket);
-                    return;
-                }
-
-                if (packet is MqttPubRelPacket pubRelPacket)
-                {
-                    await ProcessReceivedPubRelPacket(pubRelPacket);
-                    return;
-                }
-
-                _packetDispatcher.Dispatch(packet);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Unhandled exception while processing received packet.");
-            }
-        }
-
-        private void FireApplicationMessageReceivedEvent(MqttPublishPacket publishPacket)
-        {
-            try
-            {
-                var applicationMessage = publishPacket.ToApplicationMessage();
-                ApplicationMessageReceived?.Invoke(this, new MqttApplicationMessageReceivedEventArgs(applicationMessage));
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Unhandled exception while handling application message.");
-            }
-        }
-
-        private async Task ProcessReceivedPublishPacket(MqttPublishPacket publishPacket)
-        {
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                FireApplicationMessageReceivedEvent(publishPacket);
-                return;
-            }
-
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.AtLeastOnce)
-            {
-                FireApplicationMessageReceivedEvent(publishPacket);
-                await SendAsync(new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-                return;
-            }
-
-            if (publishPacket.QualityOfServiceLevel == MqttQualityOfServiceLevel.ExactlyOnce)
-            {
-                // QoS 2 is implement as method "B" [4.3.3 QoS 2: Exactly once delivery]
-                lock (_unacknowledgedPublishPackets)
-                {
-                    _unacknowledgedPublishPackets.Add(publishPacket.PacketIdentifier);
-                }
-
-                FireApplicationMessageReceivedEvent(publishPacket);
-                await SendAsync(new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier });
-                return;
-            }
-
-            throw new MqttCommunicationException("Received a not supported QoS level.");
-        }
-
-        private Task ProcessReceivedPubRelPacket(MqttPubRelPacket pubRelPacket)
-        {
-            lock (_unacknowledgedPublishPackets)
-            {
-                _unacknowledgedPublishPackets.Remove(pubRelPacket.PacketIdentifier);
-            }
-
-            return SendAsync(pubRelPacket.CreateResponse<MqttPubCompPacket>());
-        }
-
-        private Task SendAsync(MqttBasePacket packet)
-        {
-            return _adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, _cancellationTokenSource.Token, packet);
-        }
-
-        private async Task<TResponsePacket> SendAndReceiveAsync<TResponsePacket>(MqttBasePacket requestPacket) where TResponsePacket : MqttBasePacket
-        {
-            var wait = _packetDispatcher.WaitForPacketAsync(requestPacket, typeof(TResponsePacket), _options.DefaultCommunicationTimeout);
-            await _adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, _cancellationTokenSource.Token, requestPacket).ConfigureAwait(false);
-            return (TResponsePacket)await wait.ConfigureAwait(false);
-        }
-
-        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).ConfigureAwait(false);
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        return;
-                    }
-
-                    await SendAndReceiveAsync<MqttPingRespPacket>(new MqttPingReqPacket()).ConfigureAwait(false);
-                }
-            }
-            catch (TaskCanceledException)
-            {
-            }
-            catch (MqttCommunicationException exception)
-            {
-                if (cancellationToken.IsCancellationRequested)
-                {
-                    return;
-                }
-
-                MqttTrace.Warning(nameof(MqttClient), exception, "MQTT communication exception while sending/receiving keep alive packets.");
-                await DisconnectInternalAsync().ConfigureAwait(false);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Warning(nameof(MqttClient), exception, "Unhandled exception while sending/receiving keep alive packets.");
-                await DisconnectInternalAsync().ConfigureAwait(false);
-            }
-            finally
-            {
-                MqttTrace.Information(nameof(MqttClient), "Stopped sending keep alive packets.");
-            }
-        }
-
-        private async Task ReceivePackets(CancellationToken cancellationToken)
-        {
-            MqttTrace.Information(nameof(MqttClient), "Start receiving packets.");
-
-            try
-            {
-                while (!cancellationToken.IsCancellationRequested)
-                {
-                    var packet = await _adapter.ReceivePacketAsync(TimeSpan.Zero, cancellationToken).ConfigureAwait(false);
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        return;
-                    }
-
-                    StartProcessReceivedPacket(packet, cancellationToken);
-                }
-            }
-            catch (TaskCanceledException)
-            {
-            }
-            catch (MqttCommunicationException exception)
-            {
-                if (cancellationToken.IsCancellationRequested)
-                {
-                    return;
-                }
-
-                MqttTrace.Warning(nameof(MqttClient), exception, "MQTT communication exception while receiving packets.");
-                await DisconnectInternalAsync().ConfigureAwait(false);
-            }
-            catch (Exception exception)
-            {
-                MqttTrace.Error(nameof(MqttClient), exception, "Unhandled exception while receiving packets.");
-                await DisconnectInternalAsync().ConfigureAwait(false);
-            }
-            finally
-            {
-                MqttTrace.Information(nameof(MqttClient), "Stopped receiving packets.");
-            }
-        }
-
-        private void StartProcessReceivedPacket(MqttBasePacket packet, CancellationToken cancellationToken)
-        {
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-            Task.Run(async () => await ProcessReceivedPacketAsync(packet), cancellationToken).ConfigureAwait(false);
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-        }
-
-        private void StartReceivePackets(CancellationToken cancellationToken)
-        {
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-            Task.Run(async () => await ReceivePackets(cancellationToken), cancellationToken).ConfigureAwait(false); ;
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-        }
-
-        private void StartSendKeepAliveMessages(CancellationToken cancellationToken)
-        {
-#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-            Task.Run(async () => await SendKeepAliveMessagesAsync(cancellationToken), cancellationToken).ConfigureAwait(false);
-#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
-        }
-    }
-}
@@ -1,35 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Client
-{
-    public static class MqttClientExtensions
-    {
-        public static Task PublishAsync(this IMqttClient client, params MqttApplicationMessage[] applicationMessages)
-        {
-            if (client == null) throw new ArgumentNullException(nameof(client));
-            if (applicationMessages == null) throw new ArgumentNullException(nameof(applicationMessages));
-
-            return client.PublishAsync(applicationMessages);
-        }
-
-        public static Task<IList<MqttSubscribeResult>> SubscribeAsync(this IMqttClient client, params TopicFilter[] topicFilters)
-        {
-            if (client == null) throw new ArgumentNullException(nameof(client));
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            return client.SubscribeAsync(topicFilters.ToList());
-        }
-
-        public static Task UnsubscribeAsync(this IMqttClient client, params string[] topicFilters)
-        {
-            if (client == null) throw new ArgumentNullException(nameof(client));
-            if (topicFilters == null) throw new ArgumentNullException(nameof(topicFilters));
-
-            return client.UnsubscribeAsync(topicFilters.ToList());
-        }
-    }
-}
@@ -1,30 +0,0 @@
-using System;
-using MQTTnet.Core.Serializer;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttClientOptions
-    {
-        public string Server { get; set; }
-
-        public int? Port { get; set; }
-
-        public MqttClientTlsOptions TlsOptions { get; set; } = new MqttClientTlsOptions();
-
-        public string UserName { get; set; }
-
-        public string Password { get; set; }
-
-        public string ClientId { get; set; } = Guid.NewGuid().ToString().Replace("-", string.Empty);
-
-        public bool CleanSession { get; set; } = true;
-
-        public TimeSpan KeepAlivePeriod { get; set; } = TimeSpan.FromSeconds(5);
-
-        public TimeSpan DefaultCommunicationTimeout { get; set; } = TimeSpan.FromSeconds(10);
-
-        public MqttProtocolVersion ProtocolVersion { get; set; } = MqttProtocolVersion.V311;
-
-        public MqttConnectionType ConnectionType { get; set; } = MqttConnectionType.Tcp;
-    }
-}
@@ -1,13 +0,0 @@
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Client
-{
-    public sealed class MqttClientTlsOptions
-    {
-        public bool UseTls { get; set; }
-
-        public bool CheckCertificateRevocation { get; set; }
-
-        public List<byte[]> Certificates { get; set; }
-    }
-}
@@ -1,8 +0,0 @@
-namespace MQTTnet.Core.Client
-{
-    public enum MqttConnectionType
-    {
-        Tcp,
-        Ws
-    }
-}
@@ -1,96 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using MQTTnet.Core.Diagnostics;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Internal;
-using MQTTnet.Core.Packets;
-using System.Collections.Concurrent;
-
-namespace MQTTnet.Core.Client
-{
-    public class MqttPacketDispatcher
-    {
-        private readonly ConcurrentDictionary<Type, TaskCompletionSource<MqttBasePacket>> _packetByResponseType = new ConcurrentDictionary<Type, TaskCompletionSource<MqttBasePacket>>();
-        private readonly ConcurrentDictionary<Type, ConcurrentDictionary<ushort, TaskCompletionSource<MqttBasePacket>>> _packetByResponseTypeAndIdentifier = new ConcurrentDictionary<Type, ConcurrentDictionary<ushort, TaskCompletionSource<MqttBasePacket>>>();
-
-        public async Task<MqttBasePacket> WaitForPacketAsync(MqttBasePacket request, Type responseType, TimeSpan timeout)
-        {
-            if (request == null) throw new ArgumentNullException(nameof(request));
-
-            var packetAwaiter = AddPacketAwaiter(request, responseType);
-            try
-            {
-                return await packetAwaiter.Task.TimeoutAfter(timeout);
-            }
-            catch (MqttCommunicationTimedOutException)
-            {
-                MqttTrace.Warning(nameof(MqttPacketDispatcher), "Timeout while waiting for packet of type '{0}'.", responseType.Name);
-                throw;
-            }
-            finally
-            {
-                RemovePacketAwaiter(request, responseType);
-            }
-        }
-
-        public void Dispatch(MqttBasePacket packet)
-        {
-            if (packet == null) throw new ArgumentNullException(nameof(packet));
-
-            var type = packet.GetType();
-            if (packet is IMqttPacketWithIdentifier withIdentifier)
-            {
-                if (_packetByResponseTypeAndIdentifier.TryGetValue(type, out var byid))
-                {
-                    if (byid.TryRemove(withIdentifier.PacketIdentifier, out var tcs))
-                    {
-                        tcs.TrySetResult(packet);
-                        return;
-                    }
-                }
-            }
-            else if (_packetByResponseType.TryRemove(type, out var tcs))
-            {
-                tcs.TrySetResult(packet);
-                return;
-            }
-
-            throw new InvalidOperationException($"Packet of type '{type.Name}' not handled or dispatched.");
-        }
-
-        public void Reset()
-        {
-            _packetByResponseTypeAndIdentifier.Clear();
-            _packetByResponseType.Clear();
-        }
-
-        private TaskCompletionSource<MqttBasePacket> AddPacketAwaiter(MqttBasePacket request, Type responseType)
-        {
-            var tcs = new TaskCompletionSource<MqttBasePacket>();
-            if (request is IMqttPacketWithIdentifier withIdent)
-            {
-                var byId = _packetByResponseTypeAndIdentifier.GetOrAdd(responseType, key => new ConcurrentDictionary<ushort, TaskCompletionSource<MqttBasePacket>>());
-                byId[withIdent.PacketIdentifier] = tcs;
-            }
-            else
-            {
-                _packetByResponseType[responseType] = tcs;
-            }
-
-            return tcs;
-        }
-
-        private void RemovePacketAwaiter(MqttBasePacket request, Type responseType)
-        {
-            if (request is IMqttPacketWithIdentifier withIdent)
-            {
-                var byId = _packetByResponseTypeAndIdentifier.GetOrAdd(responseType, key => new ConcurrentDictionary<ushort, TaskCompletionSource<MqttBasePacket>>());
-                byId.TryRemove(withIdent.PacketIdentifier, out var _);
-            }
-            else
-            {
-                _packetByResponseType.TryRemove(responseType, out var _);
-            }
-        }
-    }
-}
@@ -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; }
-    }
-}
@@ -1,63 +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, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Verbose, null, message, parameters);
-        }
-
-        public static void Information(string source, string message, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Information, null, message, parameters);
-        }
-
-        public static void Warning(string source, string message, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Warning, null, message, parameters);
-        }
-
-        public static void Warning(string source, Exception exception, string message, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Warning, exception, message, parameters);
-        }
-
-        public static void Error(string source, string message, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Error, null, message, parameters);
-        }
-
-        public static void Error(string source, Exception exception, string message, params object[] parameters)
-        {
-            Publish(source, MqttTraceLevel.Error, exception, message, parameters);
-        }
-
-        private static void Publish(string source, MqttTraceLevel traceLevel, Exception exception, string message, params object[] parameters)
-        {
-            var handler = TraceMessagePublished;
-            if (handler == null)
-            {
-                return;
-            }
-
-            if (parameters?.Length > 0)
-            {
-                try
-                {
-                    message = string.Format(message, parameters);
-                }
-                catch (Exception formatException)
-                {
-                    Error(nameof(MqttTrace), formatException, "Error while tracing message: " + message);
-                    return;
-                }
-            }
-
-            handler.Invoke(null, new MqttTraceMessagePublishedEventArgs(Environment.CurrentManagedThreadId, source, traceLevel, message, exception));
-        }
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Diagnostics
-{
-    public enum MqttTraceLevel
-    {
-        Verbose,
-        Information,
-        Warning,
-        Error
-    }
-}
@@ -1,26 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Diagnostics
-{
-    public sealed class MqttTraceMessagePublishedEventArgs : EventArgs
-    {
-        public MqttTraceMessagePublishedEventArgs(int threadId, string source, MqttTraceLevel level, string message, Exception exception)
-        {
-            ThreadId = threadId;
-            Source = source;
-            Level = level;
-            Message = message;
-            Exception = exception;
-        }
-
-        public int ThreadId { get; }
-
-        public string Source { get; }
-
-        public MqttTraceLevel Level { get; }
-
-        public string Message { get; }
-
-        public Exception Exception { get; }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Exceptions
-{
-    public sealed class MqttCommunicationTimedOutException : MqttCommunicationException
-    {
-    }
-}
@@ -1,34 +0,0 @@
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Internal
-{
-    internal static class MqttApplicationMessageExtensions
-    {
-        public static MqttApplicationMessage ToApplicationMessage(this MqttPublishPacket publishPacket)
-        {
-            return new MqttApplicationMessage(
-                publishPacket.Topic,
-                publishPacket.Payload,
-                publishPacket.QualityOfServiceLevel,
-                publishPacket.Retain
-            );
-        }
-
-        public static MqttPublishPacket ToPublishPacket(this MqttApplicationMessage applicationMessage)
-        {
-            if (applicationMessage == null)
-            {
-                return null;
-            }
-
-            return new MqttPublishPacket
-            {
-                Topic = applicationMessage.Topic,
-                Payload = applicationMessage.Payload,
-                QualityOfServiceLevel = applicationMessage.QualityOfServiceLevel,
-                Retain = applicationMessage.Retain,
-                Dup = false
-            };
-        }
-    }
-}
@@ -1,74 +0,0 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Exceptions;
-
-namespace MQTTnet.Core.Internal
-{
-    public static class TaskExtensions
-    {
-        public static async Task TimeoutAfter(this Task task, TimeSpan timeout)
-        {
-            using (var cancellationTokenSource = new CancellationTokenSource())
-            {
-                try
-                {
-                    var timeoutTask = Task.Delay(timeout, cancellationTokenSource.Token);
-                    var finishedTask = await Task.WhenAny(timeoutTask, task).ConfigureAwait(false);
-
-                    if (finishedTask == timeoutTask)
-                    {
-                        throw new MqttCommunicationTimedOutException();
-                    }
-
-                    if (task.IsCanceled)
-                    {
-                        throw new TaskCanceledException();
-                    }
-
-                    if (task.IsFaulted)
-                    {
-                        throw new MqttCommunicationException(task.Exception.GetBaseException());
-                    }
-                }
-                finally
-                {
-                    cancellationTokenSource.Cancel();
-                }
-            }
-        }
-
-        public static async Task<TResult> TimeoutAfter<TResult>(this Task<TResult> task, TimeSpan timeout)
-        {
-            using (var cancellationTokenSource = new CancellationTokenSource())
-            {
-                try
-                {
-                    var timeoutTask = Task.Delay(timeout, cancellationTokenSource.Token);
-                    var finishedTask = await Task.WhenAny(timeoutTask, task).ConfigureAwait(false);
-
-                    if (finishedTask == timeoutTask)
-                    {
-                        throw new MqttCommunicationTimedOutException();
-                    }
-
-                    if (task.IsCanceled)
-                    {
-                        throw new TaskCanceledException();
-                    }
-
-                    if (task.IsFaulted)
-                    {
-                        throw new MqttCommunicationException(task.Exception.GetBaseException());
-                    }
-
-                    return task.Result;
-                }
-                finally
-                {
-                    cancellationTokenSource.Cancel();
-                }
-            }
-        }
-    }
-}
@@ -1,35 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
-    <AssemblyName>MQTTnet.Core</AssemblyName>
-    <RootNamespace>MQTTnet.Core</RootNamespace>
-    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
-    <DebugType>Full</DebugType>
-    <Description></Description>
-    <Product></Product>
-    <Company></Company>
-    <Authors></Authors>
-    <Version>0.0.0.0</Version>
-    <PackageId></PackageId>
-    <Copyright></Copyright>
-    <PackageProjectUrl></PackageProjectUrl>
-    <PackageIconUrl></PackageIconUrl>
-    <RepositoryUrl></RepositoryUrl>
-    <PackageTags></PackageTags>
-    <FileVersion>2.3.0.0</FileVersion>
-    <AssemblyVersion>2.3.0.0</AssemblyVersion>
-    <PackageLicenseUrl></PackageLicenseUrl>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|AnyCPU'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x64'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x86'" />
-
-</Project>
@@ -1,24 +0,0 @@
-using System;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core
-{
-    public sealed class MqttApplicationMessage
-    {
-        public MqttApplicationMessage(string topic, byte[] payload, MqttQualityOfServiceLevel qualityOfServiceLevel, bool retain)
-        {
-            Topic = topic ?? throw new ArgumentNullException(nameof(topic));
-            Payload = payload ?? throw new ArgumentNullException(nameof(payload));
-            QualityOfServiceLevel = qualityOfServiceLevel;
-            Retain = retain;
-        }
-
-        public string Topic { get; }
-
-        public byte[] Payload { get; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; }
-
-        public bool Retain { get; }
-    }
-}
@@ -1,58 +0,0 @@
-using System;
-using System.Globalization;
-using System.IO;
-using System.Text;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core
-{
-    public class MqttApplicationMessageFactory
-    {
-        public MqttApplicationMessage CreateApplicationMessage(string topic, MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce, bool retain = false)
-        {
-            if (topic == null) throw new ArgumentNullException(nameof(topic));
-
-            return CreateApplicationMessage(topic, new byte[0], qualityOfServiceLevel, retain);
-        }
-
-        public MqttApplicationMessage CreateApplicationMessage(string topic, byte[] payload, MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce, bool retain = false)
-        {
-            if (topic == null) throw new ArgumentNullException(nameof(topic));
-
-            if (payload == null)
-            {
-                payload = new byte[0];
-            }
-
-            return new MqttApplicationMessage(topic, payload, qualityOfServiceLevel, retain);
-        }
-
-        public MqttApplicationMessage CreateApplicationMessage<TPayload>(string topic, TPayload payload, MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce, bool retain = false)
-        {
-            if (topic == null) throw new ArgumentNullException(nameof(topic));
-
-            var payloadString = Convert.ToString(payload, CultureInfo.InvariantCulture);
-            var payloadBuffer = string.IsNullOrEmpty(payloadString) ? new byte[0] : Encoding.UTF8.GetBytes(payloadString);
-
-            return CreateApplicationMessage(topic, payloadBuffer, qualityOfServiceLevel, retain);
-        }
-
-        public MqttApplicationMessage CreateApplicationMessage(string topic, Stream payload, MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce, bool retain = false)
-        {
-            if (topic == null) throw new ArgumentNullException(nameof(topic));
-
-            byte[] payloadBuffer;
-            if (payload == null || payload.Length == 0)
-            {
-                payloadBuffer = new byte[0];
-            }
-            else
-            {
-                payloadBuffer = new byte[payload.Length - payload.Position];
-                payload.Read(payloadBuffer, 0, payloadBuffer.Length);
-            }
-
-            return CreateApplicationMessage(topic, payloadBuffer, qualityOfServiceLevel, retain);
-        }
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public interface IMqttPacketWithIdentifier
-    {
-        ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,16 +0,0 @@
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttConnAckPacket : MqttBasePacket
-    {
-        public bool IsSessionPresent { get; set; }
-
-        public MqttConnectReturnCode ConnectReturnCode { get; set; }
-
-        public override string ToString()
-        {
-            return nameof(MqttConnAckPacket) + ": [ConnectReturnCode=" + ConnectReturnCode + "] [IsSessionPresent=" + IsSessionPresent + "]";
-        }
-    }
-}
@@ -1,26 +0,0 @@
-using MQTTnet.Core.Serializer;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttConnectPacket : MqttBasePacket
-    {
-        public MqttProtocolVersion ProtocolVersion { get; set; }
-
-        public string ClientId { get; set; }
-
-        public string Username { get; set; }
-
-        public string Password { get; set; }
-
-        public ushort KeepAlivePeriod { get; set; }
-
-        public bool CleanSession { get; set; }
-
-        public MqttApplicationMessage WillMessage { get; set; }
-
-        public override string ToString()
-        {
-            return nameof(MqttConnectPacket) + ": [ClientId=" + ClientId + "] [Username=" + Username + "] [Password=" + Password + "] [KeepAlivePeriod=" + KeepAlivePeriod + "] [CleanSession=" + CleanSession + "]";
-        }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttDisconnectPacket : MqttBasePacket
-    {
-    }
-}
@@ -1,27 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Packets
-{
-    public static class MqttPacketExtensions
-    {
-        public static TResponsePacket CreateResponse<TResponsePacket>(this MqttBasePacket packet)
-        {
-            if (packet == null) throw new ArgumentNullException(nameof(packet));
-
-            var responsePacket = Activator.CreateInstance<TResponsePacket>();
-
-            if (responsePacket is IMqttPacketWithIdentifier responsePacketWithIdentifier)
-            {
-                var requestPacketWithIdentifier = packet as IMqttPacketWithIdentifier;
-                if (requestPacketWithIdentifier == null)
-                {
-                    throw new InvalidOperationException("Response packet has PacketIdentifier but request packet does not.");
-                }
-
-                responsePacketWithIdentifier.PacketIdentifier = requestPacketWithIdentifier.PacketIdentifier;
-            }
-
-            return responsePacket;
-        }
-    }
-}
@@ -1,13 +0,0 @@
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public class MqttPacketHeader
-    {
-        public MqttControlPacketType ControlPacketType { get; set; }
-
-        public byte FixedHeader { get; set; }
-
-        public int BodyLength { get; set; }
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPingReqPacket : MqttBasePacket
-    {
-        public override string ToString()
-        {
-            return nameof(MqttPingReqPacket);
-        }
-    }
-}
@@ -1,10 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPingRespPacket : MqttBasePacket
-    {
-        public override string ToString()
-        {
-            return nameof(MqttPingRespPacket);
-        }
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubAckPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubCompPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubRecPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,6 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPubRelPacket : MqttBasePublishPacket
-    {
-    }
-}
@@ -1,29 +0,0 @@
-using System;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttPublishPacket : MqttBasePublishPacket
-    {
-        public bool Retain { get; set; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; set; }
-
-        public bool Dup { get; set; }
-
-        public string Topic { get; set; }
-
-        public byte[] Payload { get; set; }
-
-        public override string ToString()
-        {
-            return nameof(MqttPublishPacket) +
-                ": [Topic=" + Topic + "]" +
-                " [Payload=" + Convert.ToBase64String(Payload) + "]" +
-                " [QoSLevel=" + QualityOfServiceLevel + "]" +
-                " [Dup=" + Dup + "]" +
-                " [Retain=" + Retain + "]" +
-                " [PacketIdentifier=" + PacketIdentifier + "]";
-        }
-    }
-}
@@ -1,19 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttSubAckPacket : MqttBasePacket, IMqttPacketWithIdentifier
-    {
-        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 + "]";
-        }
-    }
-}
@@ -1,18 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttSubscribePacket : MqttBasePacket, IMqttPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-
-        public IList<TopicFilter> TopicFilters { get; set; } = new List<TopicFilter>();
-
-        public override string ToString()
-        {
-            var topicFiltersText = string.Join(",", TopicFilters.Select(f => $"{f.Topic}@{f.QualityOfServiceLevel}"));
-            return nameof(MqttSubscribePacket) + ": [PacketIdentifier=" + PacketIdentifier + "] [TopicFilters=" + topicFiltersText + "]";
-        }
-    }
-}
@@ -1,7 +0,0 @@
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttUnsubAckPacket : MqttBasePacket, IMqttPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-    }
-}
@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class MqttUnsubscribePacket : MqttBasePacket, IMqttPacketWithIdentifier
-    {
-        public ushort PacketIdentifier { get; set; }
-
-        public IList<string> TopicFilters { get; set; } = new List<string>();
-    }
-}
@@ -1,17 +0,0 @@
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Packets
-{
-    public sealed class TopicFilter
-    {
-        public TopicFilter(string topic, MqttQualityOfServiceLevel qualityOfServiceLevel)
-        {
-            Topic = topic;
-            QualityOfServiceLevel = qualityOfServiceLevel;
-        }
-
-        public string Topic { get; }
-
-        public MqttQualityOfServiceLevel QualityOfServiceLevel { get; }
-    }
-}
@@ -1,48 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class ByteReader
-    {
-        private readonly int _source;
-        private int _index;
-
-        public ByteReader(int source)
-        {
-            _source = source;
-        }
-
-        public bool Read()
-        {
-            if (_index >= 8)
-            {
-                throw new InvalidOperationException("End of byte reached.");
-            }
-
-            var result = ((1 << _index) & _source) > 0;
-            _index++;
-            return result;
-        }
-
-        public int Read(int count)
-        {
-            if (_index + count > 8)
-            {
-                throw new InvalidOperationException("End of byte will be reached.");
-            }
-
-            var result = 0;
-            for (var i = 0; i < count; i++)
-            {
-                if (((1 << _index) & _source) > 0)
-                {
-                    result |= 1 << i;
-                }
-
-                _index++;
-            }
-
-            return result;
-        }
-    }
-}
@@ -1,36 +0,0 @@
-using System;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class ByteWriter
-    {
-        private int _index;
-        private int _byte;
-
-        public byte Value => (byte)_byte;
-
-        public void Write(int @byte, int count)
-        {
-            for (var i = 0; i < count; i++)
-            {
-                var value = ((1 << i) & @byte) > 0;
-                Write(value);
-            }
-        }
-
-        public void Write(bool bit)
-        {
-            if (_index >= 8)
-            {
-                throw new InvalidOperationException("End of the byte reached.");
-            }
-
-            if (bit)
-            {
-                _byte |= 1 << _index;
-            }
-
-            _index++;
-        }
-    }
-}
@@ -1,14 +0,0 @@
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Serializer
-{
-    public interface IMqttPacketSerializer
-    {
-        MqttProtocolVersion ProtocolVersion { get; set; }
-
-        byte[] Serialize(MqttBasePacket mqttPacket);
-
-        MqttBasePacket Deserialize(ReceivedMqttPacket receivedMqttPacket);
-    }
-}
@@ -1,91 +0,0 @@
-using System;
-using System.IO;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Protocol;
-using MQTTnet.Core.Packets;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class MqttPacketReader : BinaryReader
-    {
-        private readonly ReceivedMqttPacket _receivedMqttPacket;
-        
-        public MqttPacketReader(ReceivedMqttPacket receivedMqttPacket)
-            : base(receivedMqttPacket.Body, Encoding.UTF8, true)
-        {
-            _receivedMqttPacket = receivedMqttPacket;
-        }
-
-        public bool EndOfRemainingData => BaseStream.Position == _receivedMqttPacket.Header.BodyLength;
-
-        public static MqttPacketHeader ReadHeaderFromSource(Stream stream, CancellationToken cancellationToken)
-        {
-            var fixedHeader = (byte)stream.ReadByte();
-            var controlPacketType = (MqttControlPacketType)(fixedHeader >> 4);
-            var bodyLength = ReadBodyLengthFromSource(stream, cancellationToken);
-
-            return new MqttPacketHeader
-            {
-                FixedHeader = fixedHeader,
-                ControlPacketType = controlPacketType,
-                BodyLength = bodyLength
-            };
-        }
-
-        public override ushort ReadUInt16()
-        {
-            var buffer = ReadBytes(2);
-
-            var temp = buffer[0];
-            buffer[0] = buffer[1];
-            buffer[1] = temp;
-
-            return BitConverter.ToUInt16(buffer, 0);
-        }
-
-        public string ReadStringWithLengthPrefix()
-        {
-            var buffer = ReadWithLengthPrefix();
-            return Encoding.UTF8.GetString(buffer, 0, buffer.Length);
-        }
-
-        public byte[] ReadWithLengthPrefix()
-        {
-            var length = ReadUInt16();
-            return ReadBytes(length);
-        }
-
-        public byte[] ReadRemainingData()
-        {
-            return ReadBytes(_receivedMqttPacket.Header.BodyLength - (int)BaseStream.Position);
-        }
-
-        private static int ReadBodyLengthFromSource(Stream stream, CancellationToken cancellationToken)
-        {
-            // 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
-            {
-                if (cancellationToken.IsCancellationRequested)
-                {
-                    throw new TaskCanceledException();
-                }
-
-                encodedByte = (byte)stream.ReadByte();
-                value += (encodedByte & 127) * multiplier;
-                multiplier *= 128;
-                if (multiplier > 128 * 128 * 128)
-                {
-                    throw new MqttProtocolViolationException("Remaining length is invalid.");
-                }
-            } while ((encodedByte & 128) != 0);
-            return value;
-        }
-    }
-}
@@ -1,609 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using MQTTnet.Core.Adapter;
-using MQTTnet.Core.Exceptions;
-using MQTTnet.Core.Packets;
-using MQTTnet.Core.Protocol;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class MqttPacketSerializer : IMqttPacketSerializer
-    {
-        private static byte[] ProtocolVersionV311Name { get; } = Encoding.UTF8.GetBytes("MQTT");
-        private static byte[] ProtocolVersionV310Name { get; } = Encoding.UTF8.GetBytes("MQIs");
-
-        public MqttProtocolVersion ProtocolVersion { get; set; } = MqttProtocolVersion.V311;
-
-        public byte[] Serialize(MqttBasePacket packet)
-        {
-            if (packet == null) throw new ArgumentNullException(nameof(packet));
-
-            using (var stream = new MemoryStream())
-            using (var writer = new MqttPacketWriter(stream))
-            {
-                var header = new List<byte> { SerializePacket(packet, writer) };
-                var body = stream.ToArray();
-                MqttPacketWriter.BuildLengthHeader(body.Length, header);
-                var headerArray = header.ToArray();
-                var writeBuffer = new byte[header.Count + body.Length];
-                Buffer.BlockCopy(headerArray, 0, writeBuffer, 0, headerArray.Length);
-                Buffer.BlockCopy(body, 0, writeBuffer, headerArray.Length, body.Length);
-
-                return writeBuffer;
-            }
-        }
-
-        private byte SerializePacket(MqttBasePacket packet, MqttPacketWriter writer)
-        {
-            if (packet is MqttConnectPacket connectPacket)
-            {
-                return Serialize(connectPacket, writer);
-            }
-
-            if (packet is MqttConnAckPacket connAckPacket)
-            {
-                return Serialize(connAckPacket, writer);
-            }
-
-            if (packet is MqttDisconnectPacket disconnectPacket)
-            {
-                return Serialize(disconnectPacket, writer);
-            }
-
-            if (packet is MqttPingReqPacket pingReqPacket)
-            {
-                return Serialize(pingReqPacket, writer);
-            }
-
-            if (packet is MqttPingRespPacket pingRespPacket)
-            {
-                return Serialize(pingRespPacket, writer);
-            }
-
-            if (packet is MqttPublishPacket publishPacket)
-            {
-                return Serialize(publishPacket, writer);
-            }
-
-            if (packet is MqttPubAckPacket pubAckPacket)
-            {
-                return Serialize(pubAckPacket, writer);
-            }
-
-            if (packet is MqttPubRecPacket pubRecPacket)
-            {
-                return Serialize(pubRecPacket, writer);
-            }
-
-            if (packet is MqttPubRelPacket pubRelPacket)
-            {
-                return Serialize(pubRelPacket, writer);
-            }
-
-            if (packet is MqttPubCompPacket pubCompPacket)
-            {
-                return Serialize(pubCompPacket, writer);
-            }
-
-            if (packet is MqttSubscribePacket subscribePacket)
-            {
-                return Serialize(subscribePacket, writer);
-            }
-
-            if (packet is MqttSubAckPacket subAckPacket)
-            {
-                return Serialize(subAckPacket, writer);
-            }
-
-            if (packet is MqttUnsubscribePacket unsubscribePacket)
-            {
-                return Serialize(unsubscribePacket, writer);
-            }
-
-            if (packet is MqttUnsubAckPacket unsubAckPacket)
-            {
-                return Serialize(unsubAckPacket, writer);
-            }
-
-            throw new MqttProtocolViolationException("Packet type invalid.");
-        }
-
-        public MqttBasePacket Deserialize(ReceivedMqttPacket receivedMqttPacket)
-        {
-            if (receivedMqttPacket == null) throw new ArgumentNullException(nameof(receivedMqttPacket));
-
-            using (var reader = new MqttPacketReader(receivedMqttPacket))
-            {
-                return Deserialize(receivedMqttPacket.Header, reader);
-            }
-        }
-
-        private static MqttBasePacket Deserialize(MqttPacketHeader header, MqttPacketReader reader)
-        {
-            switch (header.ControlPacketType)
-            {
-                case MqttControlPacketType.Connect:
-                    {
-                        return DeserializeConnect(reader);
-                    }
-
-                case MqttControlPacketType.ConnAck:
-                    {
-                        return DeserializeConnAck(reader);
-                    }
-
-                case MqttControlPacketType.Disconnect:
-                    {
-                        return new MqttDisconnectPacket();
-                    }
-
-                case MqttControlPacketType.Publish:
-                    {
-                        return DeserializePublish(reader, header);
-                    }
-
-                case MqttControlPacketType.PubAck:
-                    {
-                        return new MqttPubAckPacket
-                        {
-                            PacketIdentifier = reader.ReadUInt16()
-                        };
-                    }
-
-                case MqttControlPacketType.PubRec:
-                    {
-                        return new MqttPubRecPacket
-                        {
-                            PacketIdentifier = reader.ReadUInt16()
-                        };
-                    }
-
-                case MqttControlPacketType.PubRel:
-                    {
-                        return new MqttPubRelPacket
-                        {
-                            PacketIdentifier = reader.ReadUInt16()
-                        };
-                    }
-
-                case MqttControlPacketType.PubComp:
-                    {
-                        return new MqttPubCompPacket
-                        {
-                            PacketIdentifier = reader.ReadUInt16()
-                        };
-                    }
-
-                case MqttControlPacketType.PingReq:
-                    {
-                        return new MqttPingReqPacket();
-                    }
-
-                case MqttControlPacketType.PingResp:
-                    {
-                        return new MqttPingRespPacket();
-                    }
-
-                case MqttControlPacketType.Subscribe:
-                    {
-                        return DeserializeSubscribe(reader);
-                    }
-
-                case MqttControlPacketType.SubAck:
-                    {
-                        return DeserializeSubAck(reader);
-                    }
-
-                case MqttControlPacketType.Unsubscibe:
-                    {
-                        return DeserializeUnsubscribe(reader);
-                    }
-
-                case MqttControlPacketType.UnsubAck:
-                    {
-                        return new MqttUnsubAckPacket
-                        {
-                            PacketIdentifier = reader.ReadUInt16()
-                        };
-                    }
-
-                default:
-                    {
-                        throw new MqttProtocolViolationException(
-                            $"Packet type ({(int)header.ControlPacketType}) not supported.");
-                    }
-            }
-        }
-
-        private static MqttBasePacket DeserializeUnsubscribe(MqttPacketReader reader)
-        {
-            var packet = new MqttUnsubscribePacket
-            {
-                PacketIdentifier = reader.ReadUInt16(),
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.TopicFilters.Add(reader.ReadStringWithLengthPrefix());
-            }
-
-            return packet;
-        }
-
-        private static MqttBasePacket DeserializeSubscribe(MqttPacketReader reader)
-        {
-            var packet = new MqttSubscribePacket
-            {
-                PacketIdentifier = reader.ReadUInt16()
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.TopicFilters.Add(new TopicFilter(
-                    reader.ReadStringWithLengthPrefix(),
-                    (MqttQualityOfServiceLevel)reader.ReadByte()));
-            }
-
-            return packet;
-        }
-
-        private static MqttBasePacket DeserializePublish(MqttPacketReader reader, MqttPacketHeader mqttPacketHeader)
-        {
-            var fixedHeader = new ByteReader(mqttPacketHeader.FixedHeader);
-            var retain = fixedHeader.Read();
-            var qualityOfServiceLevel = (MqttQualityOfServiceLevel)fixedHeader.Read(2);
-            var dup = fixedHeader.Read();
-
-            var topic = reader.ReadStringWithLengthPrefix();
-
-            ushort packetIdentifier = 0;
-            if (qualityOfServiceLevel > MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                packetIdentifier = reader.ReadUInt16();
-            }
-
-            var packet = new MqttPublishPacket
-            {
-                Retain = retain,
-                QualityOfServiceLevel = qualityOfServiceLevel,
-                Dup = dup,
-                Topic = topic,
-                Payload = reader.ReadRemainingData(),
-                PacketIdentifier = packetIdentifier
-            };
-
-            return packet;
-        }
-
-        private static MqttBasePacket DeserializeConnect(MqttPacketReader reader)
-        {
-            reader.ReadBytes(2); // Skip 2 bytes
-
-            MqttProtocolVersion protocolVersion;
-            var protocolName = reader.ReadBytes(4);
-            if (protocolName.SequenceEqual(ProtocolVersionV310Name))
-            {
-                reader.ReadBytes(2);
-                protocolVersion = MqttProtocolVersion.V310;
-            }
-            else if (protocolName.SequenceEqual(ProtocolVersionV311Name))
-            {
-                protocolVersion = MqttProtocolVersion.V311;
-            }
-            else
-            {
-                throw new MqttProtocolViolationException("Protocol name is not supported.");
-            }
-
-            var protocolLevel = reader.ReadByte();
-            var connectFlags = reader.ReadByte();
-
-            var connectFlagsReader = new ByteReader(connectFlags);
-            connectFlagsReader.Read(); // Reserved.
-
-            var packet = new MqttConnectPacket
-            {
-                ProtocolVersion = protocolVersion,
-                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 = reader.ReadUInt16();
-            packet.ClientId = reader.ReadStringWithLengthPrefix();
-
-            if (willFlag)
-            {
-                packet.WillMessage = new MqttApplicationMessage(
-                    reader.ReadStringWithLengthPrefix(),
-                    reader.ReadWithLengthPrefix(),
-                    (MqttQualityOfServiceLevel)willQoS,
-                    willRetain);
-            }
-
-            if (usernameFlag)
-            {
-                packet.Username = reader.ReadStringWithLengthPrefix();
-            }
-
-            if (passwordFlag)
-            {
-                packet.Password = reader.ReadStringWithLengthPrefix();
-            }
-
-            ValidateConnectPacket(packet);
-            return packet;
-        }
-
-        private static MqttBasePacket DeserializeSubAck(MqttPacketReader reader)
-        {
-            var packet = new MqttSubAckPacket
-            {
-                PacketIdentifier = reader.ReadUInt16()
-            };
-
-            while (!reader.EndOfRemainingData)
-            {
-                packet.SubscribeReturnCodes.Add((MqttSubscribeReturnCode)reader.ReadByte());
-            }
-
-            return packet;
-        }
-
-        private static MqttBasePacket DeserializeConnAck(MqttPacketReader reader)
-        {
-            var variableHeader1 = reader.ReadByte();
-            var variableHeader2 = reader.ReadByte();
-
-            var packet = new MqttConnAckPacket
-            {
-                IsSessionPresent = new ByteReader(variableHeader1).Read(),
-                ConnectReturnCode = (MqttConnectReturnCode)variableHeader2
-            };
-
-            return packet;
-        }
-
-        private static void ValidateConnectPacket(MqttConnectPacket packet)
-        {
-            if (string.IsNullOrEmpty(packet.ClientId) && !packet.CleanSession)
-            {
-                throw new MqttProtocolViolationException("CleanSession must be set if ClientId is empty [MQTT-3.1.3-7].");
-            }
-        }
-
-        private static void ValidatePublishPacket(MqttPublishPacket packet)
-        {
-            if (packet.QualityOfServiceLevel == 0 && packet.Dup)
-            {
-                throw new MqttProtocolViolationException("Dup flag must be false for QoS 0 packets [MQTT-3.3.1-2].");
-            }
-        }
-
-        private byte Serialize(MqttConnectPacket packet, MqttPacketWriter writer)
-        {
-            ValidateConnectPacket(packet);
-
-            // Write variable header
-            writer.Write(0x00, 0x04); // 3.1.2.1 Protocol Name
-            if (ProtocolVersion == MqttProtocolVersion.V311)
-            {
-                writer.Write(ProtocolVersionV311Name);
-                writer.Write(0x04); // 3.1.2.2 Protocol Level (4)
-            }
-            else
-            {
-                writer.Write(ProtocolVersionV310Name);
-                writer.Write(0x64, 0x70, 0x03); // Protocol Level (0x03)
-            }
-
-            var connectFlags = new ByteWriter(); // 3.1.2.3 Connect Flags
-            connectFlags.Write(false); // Reserved
-            connectFlags.Write(packet.CleanSession);
-            connectFlags.Write(packet.WillMessage != null);
-
-            if (packet.WillMessage != null)
-            {
-                connectFlags.Write((int)packet.WillMessage.QualityOfServiceLevel, 2);
-                connectFlags.Write(packet.WillMessage.Retain);
-            }
-            else
-            {
-                connectFlags.Write(0, 2);
-                connectFlags.Write(false);
-            }
-
-            connectFlags.Write(packet.Password != null);
-            connectFlags.Write(packet.Username != null);
-
-            writer.Write(connectFlags);
-            writer.Write(packet.KeepAlivePeriod);
-            writer.WriteWithLengthPrefix(packet.ClientId);
-
-            if (packet.WillMessage != null)
-            {
-                writer.WriteWithLengthPrefix(packet.WillMessage.Topic);
-                writer.WriteWithLengthPrefix(packet.WillMessage.Payload);
-            }
-
-            if (packet.Username != null)
-            {
-                writer.WriteWithLengthPrefix(packet.Username);
-            }
-
-            if (packet.Password != null)
-            {
-                writer.WriteWithLengthPrefix(packet.Password);
-            }
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.Connect);
-        }
-
-        private byte Serialize(MqttConnAckPacket packet, MqttPacketWriter writer)
-        {
-            var connectAcknowledgeFlags = new ByteWriter();
-
-            if (ProtocolVersion == MqttProtocolVersion.V311)
-            {
-                connectAcknowledgeFlags.Write(packet.IsSessionPresent);
-            }
-
-            writer.Write(connectAcknowledgeFlags);
-            writer.Write((byte)packet.ConnectReturnCode);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.ConnAck);
-        }
-
-        private static byte Serialize(MqttPubRelPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.PubRel, 0x02);
-        }
-
-        private static byte Serialize(MqttDisconnectPacket packet, MqttPacketWriter writer)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.Disconnect, writer);
-        }
-
-        private static byte Serialize(MqttPingReqPacket packet, MqttPacketWriter writer)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.PingReq, writer);
-        }
-
-        private static byte Serialize(MqttPingRespPacket packet, MqttPacketWriter writer)
-        {
-            return SerializeEmptyPacketAsync(MqttControlPacketType.PingResp, writer);
-        }
-
-        private static byte Serialize(MqttPublishPacket packet, MqttPacketWriter writer)
-        {
-            ValidatePublishPacket(packet);
-
-            writer.WriteWithLengthPrefix(packet.Topic);
-
-            if (packet.QualityOfServiceLevel > MqttQualityOfServiceLevel.AtMostOnce)
-            {
-                writer.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)
-            {
-                writer.Write(packet.Payload);
-            }
-
-            byte fixedHeader = 0;
-
-            if (packet.Retain)
-            {
-                fixedHeader |= 0x01;
-            }
-
-            fixedHeader |= (byte)((byte)packet.QualityOfServiceLevel << 1);
-
-            if (packet.Dup)
-            {
-                fixedHeader |= 0x08;
-            }
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.Publish, fixedHeader);
-        }
-
-        private static byte Serialize(MqttPubAckPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.PubAck);
-        }
-
-        private static byte Serialize(MqttPubRecPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.PubRec);
-        }
-
-        private static byte Serialize(MqttPubCompPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.PubComp);
-        }
-
-        private static byte Serialize(MqttSubscribePacket packet, MqttPacketWriter writer)
-        {
-            if (!packet.TopicFilters.Any()) throw new MqttProtocolViolationException("At least one topic filter must be set [MQTT-3.8.3-3].");
-
-            writer.Write(packet.PacketIdentifier);
-
-            if (packet.TopicFilters?.Count > 0)
-            {
-                foreach (var topicFilter in packet.TopicFilters)
-                {
-                    writer.WriteWithLengthPrefix(topicFilter.Topic);
-                    writer.Write((byte)topicFilter.QualityOfServiceLevel);
-                }
-            }
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.Subscribe, 0x02);
-        }
-
-        private static byte Serialize(MqttSubAckPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            if (packet.SubscribeReturnCodes?.Any() == true)
-            {
-                foreach (var packetSubscribeReturnCode in packet.SubscribeReturnCodes)
-                {
-                    writer.Write((byte)packetSubscribeReturnCode);
-                }
-            }
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.SubAck);
-        }
-
-        private static byte Serialize(MqttUnsubscribePacket packet, MqttPacketWriter writer)
-        {
-            if (!packet.TopicFilters.Any()) throw new MqttProtocolViolationException("At least one topic filter must be set [MQTT-3.10.3-2].");
-
-            writer.Write(packet.PacketIdentifier);
-
-            if (packet.TopicFilters?.Any() == true)
-            {
-                foreach (var topicFilter in packet.TopicFilters)
-                {
-                    writer.WriteWithLengthPrefix(topicFilter);
-                }
-            }
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.Unsubscibe, 0x02);
-        }
-
-        private static byte Serialize(MqttUnsubAckPacket packet, MqttPacketWriter writer)
-        {
-            writer.Write(packet.PacketIdentifier);
-
-            return MqttPacketWriter.BuildFixedHeader(MqttControlPacketType.UnsubAck);
-        }
-
-        private static byte SerializeEmptyPacketAsync(MqttControlPacketType type, MqttPacketWriter writer)
-        {
-            return MqttPacketWriter.BuildFixedHeader(type);
-        }
-    }
-}
@@ -1,82 +0,0 @@
-using System;
-using System.IO;
-using System.Text;
-using MQTTnet.Core.Protocol;
-using System.Collections.Generic;
-
-namespace MQTTnet.Core.Serializer
-{
-    public sealed class MqttPacketWriter : BinaryWriter
-    {
-        public MqttPacketWriter(Stream stream)
-            : base(stream)
-        {
-        }
-
-        public static byte BuildFixedHeader(MqttControlPacketType packetType, byte flags = 0)
-        {
-            var fixedHeader = (int)packetType << 4;
-            fixedHeader |= flags;
-            return (byte)fixedHeader;
-        }
-
-        public override void Write(ushort value)
-        {
-            var buffer = BitConverter.GetBytes(value);
-            Write(buffer[1], buffer[0]);
-        }
-
-        public new void Write(params byte[] values)
-        {
-            base.Write(values);
-        }
-
-        public new void Write(byte value)
-        {
-            base.Write(value);
-        }
-
-        public void Write(ByteWriter value)
-        {
-            if (value == null) throw new ArgumentNullException(nameof(value));
-
-            Write(value.Value);
-        }
-
-        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 static void BuildLengthHeader(int length, List<byte> header)
-        {
-            if (length == 0)
-            {
-                header.Add(0);
-                return;
-            }
-
-            // Alorithm taken from http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html.
-            var x = length;
-            do
-            {
-                var encodedByte = x % 128;
-                x = x / 128;
-                if (x > 0)
-                {
-                    encodedByte = encodedByte | 128;
-                }
-
-                header.Add((byte)encodedByte);
-            } while (x > 0);
-        }
-    }
-}
--- a/Show More
+++ b/Show More