Add Directory.Build.props. (#2120)

* Add Directory.Build.props.

* Adjust Analysis related properties and add conditional enablement for ContinuousIntegrationBuild.

* Adopt new changes in master

---------

Co-authored-by: christian <6939810+chkr1011@users.noreply.github.com>

Source/MQTTnet.AspnetCore/MQTTnet.AspNetCore.csproj

@@ -1,59 +1,23 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
         <AssemblyName>MQTTnet.AspNetCore</AssemblyName>
         <RootNamespace>MQTTnet.AspNetCore</RootNamespace>
-        <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
-        <Company>The contributors of MQTTnet</Company>
-        <Product>MQTTnet</Product>
-        <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>
-        <Authors>The contributors of MQTTnet</Authors>
-        <PackageId>MQTTnet.AspNetCore</PackageId>
-        <SignAssembly>false</SignAssembly>
-        <DelaySign>false</DelaySign>
-        <PublishRepositoryUrl>true</PublishRepositoryUrl>
-        <IncludeSymbols>true</IncludeSymbols>
-        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-        <Copyright>Copyright (c) .NET Foundation and Contributors</Copyright>
-        <PackageProjectUrl>https://github.com/dotnet/MQTTnet</PackageProjectUrl>
-        <RepositoryUrl>https://github.com/dotnet/MQTTnet.git</RepositoryUrl>
-        <RepositoryType>git</RepositoryType>
-        <PackageTags>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 Blazor</PackageTags>
-        <NeutralLanguage>en-US</NeutralLanguage>
-        <EnableNETAnalyzers>false</EnableNETAnalyzers>
-        <EnforceCodeStyleInBuild>false</EnforceCodeStyleInBuild>
-        <PackageIcon>nuget.png</PackageIcon>
-        <EmbedUntrackedSources>true</EmbedUntrackedSources>
-        <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
-        <PackageLicenseFile>LICENSE</PackageLicenseFile>
-        <PackageReleaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</PackageReleaseNotes>
-        <DisableImplicitAspNetCoreAnalyzers>true</DisableImplicitAspNetCoreAnalyzers>
-        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-        <GenerateDocumentationFile>true</GenerateDocumentationFile>
-        <NoWarn>1591;NETSDK1138;NU1803;NU1901;NU1902</NoWarn>
-        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-        <NuGetAuditMode>all</NuGetAuditMode>
-        <NuGetAudit>true</NuGetAudit>
-        <NuGetAuditLevel>low</NuGetAuditLevel>
-        <NuGetAuditLevel>low</NuGetAuditLevel>
-        <AnalysisLevel>latest-Recommended</AnalysisLevel>
         <IsAotCompatible>true</IsAotCompatible>
+
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <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>
+        <PackageId>MQTTnet.AspNetCore</PackageId>
+        <PackageTags>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 Blazor</PackageTags>
+        <PackageReleaseNotes>For release notes please go to MQTTnet release notes (https://www.nuget.org/packages/MQTTnet/).</PackageReleaseNotes>
+
+        <GenerateDocumentationFile>true</GenerateDocumentationFile>
     </PropertyGroup>
 
     <ItemGroup>
-        <None Include="..\..\Images\nuget.png" Pack="true" PackagePath="" />
-        <None Include="..\..\LICENSE" Pack="true" PackagePath="" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
         <FrameworkReference Include="Microsoft.AspNetCore.App"/>
     </ItemGroup>
 
-    <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release'">
-    </PropertyGroup>
-
     <ItemGroup>
         <ProjectReference Include="..\MQTTnet.Server\MQTTnet.Server.csproj"/>
         <ProjectReference Include="..\MQTTnet\MQTTnet.csproj"/>

Source/MQTTnet.AspnetCore/MqttClientConnectionContextFactory.cs

@@ -13,7 +13,7 @@ public sealed class MqttClientConnectionContextFactory : IMqttClientAdapterFacto
 {
     public IMqttChannelAdapter CreateClientAdapter(MqttClientOptions options, MqttPacketInspector packetInspector, IMqttNetLogger logger)
     {
-        if (options == null) throw new ArgumentNullException(nameof(options));
+        ArgumentNullException.ThrowIfNull(options);
 
         switch (options.ChannelOptions)
         {

Source/MQTTnet.AspnetCore/MqttSubProtocolSelector.cs

@@ -29,6 +29,6 @@ public static class MqttSubProtocolSelector
         ArgumentNullException.ThrowIfNull(requestedSubProtocolValues);
 
         // Order the protocols to also match "mqtt", "mqttv-3.1", "mqttv-3.11" etc.
-        return requestedSubProtocolValues.OrderByDescending(p => p.Length).FirstOrDefault(p => p.ToLower().StartsWith("mqtt"));
+        return requestedSubProtocolValues.OrderByDescending(p => p.Length).FirstOrDefault(p => p.ToLowerInvariant().StartsWith("mqtt", StringComparison.InvariantCulture));
     }
 }

Source/MQTTnet.AspnetCore/SocketConnection.cs

@@ -81,7 +81,7 @@ public sealed class SocketConnection : ConnectionContext
         IsConnected = true;
     }
 
-    static Exception ConnectionAborted()
+    static MqttCommunicationException ConnectionAborted()
     {
         return new MqttCommunicationException("Connection Aborted");
     }
@@ -218,12 +218,16 @@ public sealed class SocketConnection : ConnectionContext
 
             var flushTask = _application.Output.FlushAsync();
 
+            FlushResult result;
             if (!flushTask.IsCompleted)
             {
-                await flushTask;
+                result = await flushTask;
+            }
+            else
+            {
+                result = flushTask.GetAwaiter().GetResult();
             }
 
-            var result = flushTask.GetAwaiter().GetResult();
             if (result.IsCompleted)
             {
                 // Pipe consumer is shut down, do we stop writing

Source/MQTTnet.AspnetCore/SocketReceiver.cs

@@ -8,7 +8,7 @@ using System.Net.Sockets;
 
 namespace MQTTnet.AspNetCore;
 
-public sealed class SocketReceiver
+public sealed class SocketReceiver : IDisposable
 {
     readonly SocketAwaitable _awaitable;
     readonly SocketAsyncEventArgs _eventArgs = new();
@@ -33,4 +33,9 @@ public sealed class SocketReceiver
 
         return _awaitable;
     }
+
+    public void Dispose()
+    {
+        _eventArgs.Dispose();
+    }
 }

Source/MQTTnet.AspnetCore/SocketSender.cs

@@ -12,7 +12,7 @@ using System.Runtime.InteropServices;
 
 namespace MQTTnet.AspNetCore;
 
-public sealed class SocketSender
+public sealed class SocketSender : IDisposable
 {
     readonly SocketAwaitable _awaitable;
     readonly SocketAsyncEventArgs _eventArgs = new();
@@ -28,6 +28,11 @@ public sealed class SocketSender
         _eventArgs.Completed += (_, e) => ((SocketAwaitable)e.UserToken).Complete(e.BytesTransferred, e.SocketError);
     }
 
+    public void Dispose()
+    {
+        _eventArgs.Dispose();
+    }
+
     public SocketAwaitable SendAsync(in ReadOnlySequence<byte> buffers)
     {
         if (buffers.IsSingleSegment)