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Add feature validations (#1527)

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* Add feature validation.

* Update ReleaseNotes.md

* Add validators or subscribe and unsubscribe.

* Add feature validation for disconnect.

* Fix build errors.

* Fix build errors

Co-authored-by: HansM <HansM2013@gmx.de>
This commit is contained in:
Christian
2022-12-23 16:56:11 +01:00
committed by GitHub
co-authored by HansM
parent c7390ef0d7
commit 795139d78f
19 changed files with 574 additions and 85 deletions
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Source/MQTTnet/Client/Disconnecting/MqttClientDisconnectOptions.cs
+5 -5
View File
@@ -7,15 +7,15 @@ namespace MQTTnet.Client
public sealed class MqttClientDisconnectOptions
{
/// <summary>
/// Gets or sets the reason code.
/// Hint: MQTT 5 feature only.
/// Gets or sets the reason code.
/// <remarks>MQTT 5.0.0+ feature.</remarks>
/// </summary>
public MqttClientDisconnectReason Reason { get; set; } = MqttClientDisconnectReason.NormalDisconnection;
/// <summary>
/// Gets or sets the reason string.
/// Hint: MQTT 5 feature only.
/// Gets or sets the reason string.
/// <remarks>MQTT 5.0.0+ feature.</remarks>
/// </summary>
public string ReasonString { get; set; }
}
}
}
Source/MQTTnet/Client/Disconnecting/MqttClientDisconnectOptionsValidator.cs
+42
View File
@@ -0,0 +1,42 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Linq;
using MQTTnet.Formatter;
namespace MQTTnet.Client
{
public static class MqttClientDisconnectOptionsValidator
{
public static void ThrowIfNotSupported(MqttClientDisconnectOptions options, MqttProtocolVersion protocolVersion)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (protocolVersion == MqttProtocolVersion.V500)
{
// Everything is supported.
return;
}
if (options.ReasonString?.Any() == true)
{
Throw(nameof(options.ReasonString));
}
if (options.Reason != MqttClientDisconnectReason.NormalDisconnection)
{
Throw(nameof(options.Reason));
}
}
static void Throw(string featureName)
{
throw new NotSupportedException($"Feature {featureName} requires MQTT version 5.0.0.");
}
}
}