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Performance optimizations

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This commit is contained in:
Christian Kratky
2017-11-25 23:10:48 +01:00
parent 24ab285066
commit 611fabcd01
11 changed files with 105 additions and 88 deletions
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Tests/MQTTnet.Core.Tests/MqttPacketSerializerTests.cs
+18 -6
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@@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
@@ -392,9 +393,9 @@ namespace MQTTnet.Core.Tests
private static void SerializeAndCompare(MqttBasePacket packet, string expectedBase64Value, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
{
var serializer = new MqttPacketSerializer { ProtocolVersion = protocolVersion };
var buffer = serializer.Serialize(packet);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(buffer));
var chunks = serializer.Serialize(packet);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(Join(chunks)));
}
private static void DeserializeAndCompare(MqttBasePacket packet, string expectedBase64Value)
@@ -403,18 +404,29 @@ namespace MQTTnet.Core.Tests
var buffer1 = serializer.Serialize(packet);
using (var headerStream = new MemoryStream(buffer1))
using (var headerStream = new MemoryStream(Join(buffer1)))
{
var header = MqttPacketReader.ReadHeaderFromSource(headerStream, CancellationToken.None);
using (var bodyStream = new MemoryStream(buffer1, (int)headerStream.Position, header.BodyLength))
using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, header.BodyLength))
{
var deserializedPacket = serializer.Deserialize(new ReceivedMqttPacket(header, bodyStream));
var buffer2 = serializer.Serialize(deserializedPacket);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(buffer2));
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(Join(buffer2)));
}
}
}
private static byte[] Join(IEnumerable<ArraySegment<byte>> chunks)
{
var buffer = new MemoryStream();
foreach (var chunk in chunks)
{
buffer.Write(chunk.Array, chunk.Offset, chunk.Count);
}
return buffer.ToArray();
}
}
}
Tests/MQTTnet.Core.Tests/MqttSubscriptionsManagerTests.cs
+3 -3
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@@ -18,7 +18,7 @@ namespace MQTTnet.Core.Tests
sm.Subscribe(sp, "");
var pp = new MqttPublishPacket
var pp = new MqttApplicationMessage
{
Topic = "A/B/C",
QualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce
@@ -37,7 +37,7 @@ namespace MQTTnet.Core.Tests
sm.Subscribe(sp, "");
var pp = new MqttPublishPacket
var pp = new MqttApplicationMessage
{
Topic = "A/B/X",
QualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce
@@ -56,7 +56,7 @@ namespace MQTTnet.Core.Tests
sm.Subscribe(sp, "");
var pp = new MqttPublishPacket
var pp = new MqttApplicationMessage
{
Topic = "A/B/C",
QualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce
Tests/MQTTnet.TestApp.NetCore/PerformanceTest.cs
+10 -10
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@@ -171,16 +171,16 @@ namespace MQTTnet.TestApp.NetCore
var msgs = 0;
var stopwatch = Stopwatch.StartNew();
mqttServer.ApplicationMessageReceived += (sender, args) =>
{
msgs++;
if (stopwatch.ElapsedMilliseconds > 1000)
{
Console.WriteLine($"received {msgs}");
msgs = 0;
stopwatch.Restart();
}
};
////mqttServer.ApplicationMessageReceived += (sender, args) =>
////{
//// msgs++;
//// if (stopwatch.ElapsedMilliseconds > 1000)
//// {
//// Console.WriteLine($"received {msgs}");
//// msgs = 0;
//// stopwatch.Restart();
//// }
////};
await mqttServer.StartAsync(new MqttServerOptions());
Console.WriteLine("Press any key to exit.");