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Fix freezes in _AsyncLock_ (#1549)

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Christian
2022-10-23 08:16:45 +02:00
committed by GitHub
parent 36736914bc
commit d2ce9d607a
64 changed files with 798 additions and 516 deletions
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Samples/Client/Client_Connection_Samples.cs
+53 -10
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@@ -119,7 +119,7 @@ public static class Client_Connection_Samples
// The used public broker sometimes has invalid certificates. This sample accepts all
// certificates. This should not be used in live environments.
o.CertificateValidationHandler = _ => true;
// The default value is determined by the OS. Set manually to force version.
o.SslProtocol = SslProtocols.Tls12;
})
@@ -134,15 +134,17 @@ public static class Client_Connection_Samples
}
}
public static async Task Connect_Client_Using_WebSockets()
public static async Task Connect_Client_Using_WebSocket4Net()
{
/*
* This sample creates a simple MQTT client and connects to a public broker using a WebSocket connection.
* Instead of the .NET implementation of WebSockets the implementaion from WebSocket4Net is used. It provides more
* encryption algorithms and supports more platforms.
*
* This is a modified version of the sample _Connect_Client_! See other sample for more details.
*/
var mqttFactory = new MqttFactory();
var mqttFactory = new MqttFactory().UseWebSocket4Net();
using (var mqttClient = mqttFactory.CreateMqttClient())
{
@@ -155,18 +157,16 @@ public static class Client_Connection_Samples
response.DumpToConsole();
}
}
public static async Task Connect_Client_Using_WebSocket4Net()
public static async Task Connect_Client_Using_WebSockets()
{
/*
* This sample creates a simple MQTT client and connects to a public broker using a WebSocket connection.
* Instead of the .NET implementation of WebSockets the implementaion from WebSocket4Net is used. It provides more
* encryption algorithms and supports more platforms.
*
* This is a modified version of the sample _Connect_Client_! See other sample for more details.
*/
var mqttFactory = new MqttFactory().UseWebSocket4Net();
var mqttFactory = new MqttFactory();
using (var mqttClient = mqttFactory.CreateMqttClient())
{
@@ -206,7 +206,7 @@ public static class Client_Connection_Samples
using (var timeout = new CancellationTokenSource(5000))
{
var response = await mqttClient.ConnectAsync(mqttClientOptions, timeout.Token);
Console.WriteLine("The MQTT client is connected.");
response.DumpToConsole();
@@ -214,6 +214,49 @@ public static class Client_Connection_Samples
}
}
public static async Task Disconnect_Clean()
{
/*
* This sample disconnects from the server with sending a DISCONNECT packet.
* This way of disconnecting is treated as a clean disconnect which will not
* trigger sending the last will etc.
*/
var mqttFactory = new MqttFactory();
using (var mqttClient = mqttFactory.CreateMqttClient())
{
var mqttClientOptions = new MqttClientOptionsBuilder().WithTcpServer("broker.hivemq.com").Build();
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
// 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);
}
}
public static async Task Disconnect_Non_Clean()
{
/*
* This sample disconnects from the server without sending a DISCONNECT packet.
* This way of disconnecting is treated as a non clean disconnect which will
* trigger sending the last will etc.
*/
var mqttFactory = new MqttFactory();
var mqttClient = mqttFactory.CreateMqttClient();
var mqttClientOptions = new MqttClientOptionsBuilder().WithTcpServer("broker.hivemq.com").Build();
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
// Calling _Dispose_ or use of a _using_ statement will close the transport connection
// without sending a DISCONNECT packet to the server.
mqttClient.Dispose();
}
public static async Task Inspect_Certificate_Validation_Errors()
{
/*
@@ -248,7 +291,7 @@ public static class Client_Connection_Samples
}
}
}
public static async Task Ping_Server()
{
/*