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More options for disconnect (#1557)

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* Expose more options in disconnect options.

* Expose more options in disconnect API.

* Refactor code.

* Expose user properties in disconnected event.

* Expose more disconnect options in server.

* Fix build errors

* Add new samples.

* Fix client cleanup

* Fix merge conflicts
This commit is contained in:
Christian
2022-12-23 17:09:02 +01:00
committed by GitHub
parent abe7bbda15
commit fdf00f1b18
28 changed files with 752 additions and 366 deletions
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Samples/Client/Client_Connection_Samples.cs
+23 -1
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@@ -16,6 +16,28 @@ namespace MQTTnet.Samples.Client;
public static class Client_Connection_Samples
{
public static async Task Clean_Disconnect()
{
/*
* This sample disconnects in a clean way. This will send a MQTT DISCONNECT packet
* to the server and close the connection afterwards.
*
* See sample _Connect_Client_ for more details.
*/
var mqttFactory = new MqttFactory();
using (var mqttClient = mqttFactory.CreateMqttClient())
{
var mqttClientOptions = new MqttClientOptionsBuilder().WithTcpServer("broker.hivemq.com").Build();
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
// This will send the DISCONNECT packet. Calling _Dispose_ without DisconnectAsync the
// connection is closed in a "not clean" way. See MQTT specification for more details.
await mqttClient.DisconnectAsync(new MqttClientDisconnectOptionsBuilder().WithReason(MqttClientDisconnectOptionsReason.NormalDisconnection).Build());
}
}
public static async Task Connect_Client()
{
/*
@@ -232,7 +254,7 @@ public static class Client_Connection_Samples
// Calling _DisconnectAsync_ will send a DISCONNECT packet before closing the connection.
// Using a reason code requires MQTT version 5.0.0!
await mqttClient.DisconnectAsync(MqttClientDisconnectReason.ImplementationSpecificError);
await mqttClient.DisconnectAsync(MqttClientDisconnectOptionsReason.ImplementationSpecificError);
}
}
Samples/Server/Server_Diagnostics_Samples.cs
+53
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@@ -0,0 +1,53 @@
// 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 MQTTnet.Internal;
using MQTTnet.Packets;
using MQTTnet.Server;
namespace MQTTnet.Samples.Server;
// ReSharper disable UnusedType.Global
// ReSharper disable UnusedMember.Global
// ReSharper disable InconsistentNaming
// ReSharper disable EmptyConstructor
// ReSharper disable MemberCanBeMadeStatic.Local
public static class Server_Diagnostics_Samples
{
public static async Task Get_Notified_When_Client_Received_Message()
{
/*
* This sample starts a MQTT server and attaches an event which gets fired whenever
* a client received and acknowledged a PUBLISH packet.
*/
var mqttFactory = new MqttFactory();
var mqttServerOptions = new MqttServerOptionsBuilder().WithDefaultEndpoint().Build();
using (var mqttServer = mqttFactory.CreateMqttServer(mqttServerOptions))
{
// Attach the event handler.
mqttServer.ClientAcknowledgedPublishPacketAsync += e =>
{
Console.WriteLine($"Client '{e.ClientId}' acknowledged packet {e.PublishPacket.PacketIdentifier} with topic '{e.PublishPacket.Topic}'");
// It is also possible to read additional data from the client response. This requires casting the response packet.
var qos1AcknowledgePacket = e.AcknowledgePacket as MqttPubAckPacket;
Console.WriteLine($"QoS 1 reason code: {qos1AcknowledgePacket?.ReasonCode}");
var qos2AcknowledgePacket = e.AcknowledgePacket as MqttPubCompPacket;
Console.WriteLine($"QoS 2 reason code: {qos1AcknowledgePacket?.ReasonCode}");
return CompletedTask.Instance;
};
await mqttServer.StartAsync();
Console.WriteLine("Press Enter to exit.");
Console.ReadLine();
await mqttServer.StopAsync();
}
}
}