YangWX/MQTTnet
1
0
Fork 0
mirror of https://github.com/dotnet/MQTTnet.git synced 2026-10-16 09:13:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

Use latest language features (#2176)

Browse Source 
* Make use of language features line AsyncDispose, init etc.

* Fix build errors

* Improve Unit Tests

* Improve Unit Tests

* Improve Unit Tests

* Update samples

* Remove obsolete benchmarks

* Code cleanup

* Improve unit tests

* Improve Unit Tests

* Fix Unit Tests

* Improve Unit Tests

* Improve Unit Tests

* Restore unit tests

* Exclude load tests from unit tests
This commit is contained in:
Christian
2025-08-30 10:52:59 +02:00
committed by GitHub
parent 247988e633
commit e43e7f8e36
330 changed files with 21417 additions and 22919 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Samples/Server/Server_Retained_Messages_Samples.cs
+49 -51
View File
@@ -29,64 +29,62 @@ public static class Server_Retained_Messages_Samples
// Due to security reasons the "default" endpoint (which is unencrypted) is not enabled by default!
var mqttServerOptions = mqttServerFactory.CreateServerOptionsBuilder().WithDefaultEndpoint().Build();
using (var server = mqttServerFactory.CreateMqttServer(mqttServerOptions))
using var server = mqttServerFactory.CreateMqttServer(mqttServerOptions);
// Make sure that the server will load the retained messages.
server.LoadingRetainedMessageAsync += async eventArgs =>
{
// Make sure that the server will load the retained messages.
server.LoadingRetainedMessageAsync += async eventArgs =>
try
{
try
{
var models = await JsonSerializer.DeserializeAsync<List<MqttRetainedMessageModel>>(File.OpenRead(storePath)) ?? new List<MqttRetainedMessageModel>();
var retainedMessages = models.Select(m => m.ToApplicationMessage()).ToList();
var models = await JsonSerializer.DeserializeAsync<List<MqttRetainedMessageModel>>(File.OpenRead(storePath)) ?? new List<MqttRetainedMessageModel>();
var retainedMessages = models.Select(m => m.ToApplicationMessage()).ToList();
eventArgs.LoadedRetainedMessages = retainedMessages;
Console.WriteLine("Retained messages loaded.");
}
catch (FileNotFoundException)
{
// Ignore because nothing is stored yet.
Console.WriteLine("No retained messages stored yet.");
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
};
// Make sure to persist the changed retained messages.
server.RetainedMessageChangedAsync += async eventArgs =>
eventArgs.LoadedRetainedMessages = retainedMessages;
Console.WriteLine("Retained messages loaded.");
}
catch (FileNotFoundException)
{
try
{
// This sample uses the property _StoredRetainedMessages_ which will contain all(!) retained messages.
// The event args also contain the affected retained message (property ChangedRetainedMessage). This can be
// used to write all retained messages to dedicated files etc. Then all files must be loaded and a full list
// of retained messages must be provided in the loaded event.
var models = eventArgs.StoredRetainedMessages.Select(MqttRetainedMessageModel.Create);
var buffer = JsonSerializer.SerializeToUtf8Bytes(models);
await File.WriteAllBytesAsync(storePath, buffer);
Console.WriteLine("Retained messages saved.");
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
};
// Make sure to clear the retained messages when they are all deleted via API.
server.RetainedMessagesClearedAsync += _ =>
// Ignore because nothing is stored yet.
Console.WriteLine("No retained messages stored yet.");
}
catch (Exception exception)
{
File.Delete(storePath);
return Task.CompletedTask;
};
Console.WriteLine(exception);
}
};
await server.StartAsync();
// Make sure to persist the changed retained messages.
server.RetainedMessageChangedAsync += async eventArgs =>
{
try
{
// This sample uses the property _StoredRetainedMessages_ which will contain all(!) retained messages.
// The event args also contain the affected retained message (property ChangedRetainedMessage). This can be
// used to write all retained messages to dedicated files etc. Then all files must be loaded and a full list
// of retained messages must be provided in the loaded event.
Console.WriteLine("Press Enter to exit.");
Console.ReadLine();
}
var models = eventArgs.StoredRetainedMessages.Select(MqttRetainedMessageModel.Create);
var buffer = JsonSerializer.SerializeToUtf8Bytes(models);
await File.WriteAllBytesAsync(storePath, buffer);
Console.WriteLine("Retained messages saved.");
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
};
// Make sure to clear the retained messages when they are all deleted via API.
server.RetainedMessagesClearedAsync += _ =>
{
File.Delete(storePath);
return Task.CompletedTask;
};
await server.StartAsync();
Console.WriteLine("Press Enter to exit.");
Console.ReadLine();
}
sealed class MqttRetainedMessageModel