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Migrate retained messages to the event based approach.

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This commit is contained in:
Christian
2021-11-01 11:20:46 +01:00
parent 9ab85b3592
commit 22ccdf10c6
57 changed files with 451 additions and 666 deletions
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Tests/MQTTnet.TestApp.NetCore/Program.cs
-33
View File
@@ -134,39 +134,6 @@ namespace MQTTnet.TestApp.NetCore
}
}
public class RetainedMessageHandler : IMqttServerStorage
{
const string Filename = "C:\\MQTT\\RetainedMessages.json";
public Task SaveRetainedMessagesAsync(IList<MqttApplicationMessage> messages)
{
var directory = Path.GetDirectoryName(Filename);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Filename, JsonConvert.SerializeObject(messages));
return Task.FromResult(0);
}
public Task<IList<MqttApplicationMessage>> LoadRetainedMessagesAsync()
{
IList<MqttApplicationMessage> retainedMessages;
if (File.Exists(Filename))
{
var json = File.ReadAllText(Filename);
retainedMessages = JsonConvert.DeserializeObject<List<MqttApplicationMessage>>(json);
}
else
{
retainedMessages = new List<MqttApplicationMessage>();
}
return Task.FromResult(retainedMessages);
}
}
public class WikiCode
{
public void Code()
Tests/MQTTnet.TestApp.NetCore/ServerTest.cs
+47 -8
View File
@@ -1,10 +1,14 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading.Tasks;
using MQTTnet.Diagnostics;
using MQTTnet.Extensions.ManagedClient;
using MQTTnet.Implementations;
using MQTTnet.Protocol;
using MQTTnet.Server;
using Newtonsoft.Json;
namespace MQTTnet.TestApp.NetCore
{
@@ -36,10 +40,7 @@ namespace MQTTnet.TestApp.NetCore
{
try
{
var options = new MqttServerOptions
{
Storage = new RetainedMessageHandler()
};
var options = new MqttServerOptions();
// Extend the timestamp for all messages from clients.
// Protect several topics from being subscribed from every client.
@@ -52,7 +53,45 @@ namespace MQTTnet.TestApp.NetCore
var mqttServer = new MqttFactory().CreateMqttServer(options);
mqttServer.InterceptingClientPublishAsync += e =>
const string Filename = "C:\\MQTT\\RetainedMessages.json";
mqttServer.RetainedMessageChangedAsync += e =>
{
var directory = Path.GetDirectoryName(Filename);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Filename, JsonConvert.SerializeObject(e.StoredRetainedMessages));
return Task.FromResult(0);
};
mqttServer.RetainedMessagesClearedAsync += e =>
{
File.Delete(Filename);
return Task.FromResult(0);
};
mqttServer.LoadingRetainedMessageAsync += e =>
{
List<MqttApplicationMessage> retainedMessages;
if (File.Exists(Filename))
{
var json = File.ReadAllText(Filename);
retainedMessages = JsonConvert.DeserializeObject<List<MqttApplicationMessage>>(json);
}
else
{
retainedMessages = new List<MqttApplicationMessage>();
}
e.StoredRetainedMessages = retainedMessages;
return Task.FromResult(0);
};
mqttServer.InterceptingPublishAsync += e =>
{
if (MqttTopicFilterComparer.Compare(e.ApplicationMessage.Topic, "/myTopic/WithTimestamp/#") == MqttTopicFilterCompareResult.IsMatch)
{
@@ -70,7 +109,7 @@ namespace MQTTnet.TestApp.NetCore
return PlatformAbstractionLayer.CompletedTask;
};
mqttServer.ValidatingClientConnectionAsync += e =>
mqttServer.ValidatingConnectionAsync += e =>
{
if (e.ClientId == "SpecialClient")
{
@@ -83,7 +122,7 @@ namespace MQTTnet.TestApp.NetCore
return PlatformAbstractionLayer.CompletedTask;
};
mqttServer.InterceptingClientSubscriptionAsync += e =>
mqttServer.InterceptingSubscriptionAsync += e =>
{
if (e.TopicFilter.Topic.StartsWith("admin/foo/bar") && e.ClientId != "theAdmin")
{
@@ -99,7 +138,7 @@ namespace MQTTnet.TestApp.NetCore
return PlatformAbstractionLayer.CompletedTask;
};
mqttServer.InterceptingClientPublishAsync += e =>
mqttServer.InterceptingPublishAsync += e =>
{
MqttNetConsoleLogger.PrintToConsole(
$"'{e.ClientId}' reported '{e.ApplicationMessage.Topic}' > '{Encoding.UTF8.GetString(e.ApplicationMessage.Payload ?? new byte[0])}'",