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Process messages async

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This commit fixes issues which were caused by processing messages synchronously in the packet receiver loop. This blocked KeepAlive and Ack packets from being processed while a message was processed.

Fixes #648
Fixes #587
Fixes #829
This commit is contained in:
PSanetra
2020-04-04 22:40:16 +02:00
parent 892e4842ed
commit fcd6b7ff52
4 changed files with 128 additions and 40 deletions
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Tests/MQTTnet.Core.Tests/MqttClient_Tests.cs
+45 -1
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@@ -12,6 +12,7 @@ using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
@@ -434,6 +435,49 @@ namespace MQTTnet.Tests
}
}
[TestMethod]
public async Task Publish_QoS_1_In_ApplicationMessageReceiveHandler()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
await testEnvironment.StartServerAsync();
const string client1Topic = "client1/topic";
const string client2Topic = "client2/topic";
const string expectedClient2Message = "hello client2";
var client1 = await testEnvironment.ConnectClientAsync();
client1.UseApplicationMessageReceivedHandler(async c =>
{
await client1.PublishAsync(client2Topic, expectedClient2Message, MqttQualityOfServiceLevel.AtLeastOnce);
});
await client1.SubscribeAsync(client1Topic, MqttQualityOfServiceLevel.AtLeastOnce);
var client2 = await testEnvironment.ConnectClientAsync();
var client2TopicResults = new List<string>();
client2.UseApplicationMessageReceivedHandler(c =>
{
client2TopicResults.Add(Encoding.UTF8.GetString(c.ApplicationMessage.Payload));
});
await client2.SubscribeAsync(client2Topic);
var client3 = await testEnvironment.ConnectClientAsync();
var message = new MqttApplicationMessageBuilder().WithTopic(client1Topic).Build();
await client3.PublishAsync(message);
await client3.PublishAsync(message);
await Task.Delay(500);
Assert.AreEqual(2, client2TopicResults.Count);
Assert.AreEqual(expectedClient2Message, client2TopicResults[0]);
Assert.AreEqual(expectedClient2Message, client2TopicResults[1]);
}
}
[TestMethod]
public async Task Subscribe_In_Callback_Events()
{
@@ -565,7 +609,7 @@ namespace MQTTnet.Tests
for (var i = 0; i < 98; i++)
{
Assert.IsFalse(clients[i].IsConnected);
Assert.IsFalse(clients[i].IsConnected, $"clients[{i}] is not connected");
}
Assert.IsTrue(clients[99].IsConnected);