public void Setup()
{
_packet = new MqttPublishPacket
{
Topic = "A"
};
var serializer = new MqttPacketFormatterAdapter(MqttProtocolVersion.V311);
var serializedPacket = Join(serializer.Encode(_packet));
_iterations = 10000;
_stream = new MemoryStream(_iterations * serializedPacket.Length);
for (var i = 0; i < _iterations; i++)
{
_stream.Write(serializedPacket, 0, serializedPacket.Length);
}
_stream.Position = 0;
var channel = new TestMqttChannel(_stream);
_channelAdapter = new MqttChannelAdapter(channel, serializer, new MqttNetLogger());
}
public void Setup()
{
var message = new MqttApplicationMessageBuilder()
.WithTopic("A")
.Build();
_packet = message.ToPublishPacket();
var serializer = new MqttPacketSerializer();
var serializedPacket = Join(serializer.Serialize(_packet));
_iterations = 10000;
_stream = new MemoryStream(_iterations * serializedPacket.Length);
for (var i = 0; i < _iterations; i++)
{
_stream.Write(serializedPacket, 0, serializedPacket.Length);
}
_stream.Position = 0;
var channel = new TestMqttChannel(_stream);
_channelAdapter = new MqttChannelAdapter(channel, serializer, new MqttNetLogger().CreateChildLogger(nameof(MqttChannelAdapter)));
}
void DeserializeAndCompare(MqttPacket packet, string expectedBase64Value, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
{
var writer = WriterFactory();
var serializer = MqttPacketFormatterAdapter.GetMqttPacketFormatter(protocolVersion, writer);
var buffer1 = serializer.Encode(packet);
using (var headerStream = new MemoryStream(buffer1.Join().ToArray()))
{
using (var channel = new TestMqttChannel(headerStream))
{
using (var adapter = new MqttChannelAdapter(
channel,
new MqttPacketFormatterAdapter(protocolVersion, new MqttBufferWriter(4096, 65535)),
null,
new MqttNetEventLogger()))
{
var receivedPacket = adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult();
var buffer2 = serializer.Encode(receivedPacket);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(buffer2.Join().ToArray()));
}
}
}
}
MqttProtocolVersion DeserializeAndDetectVersion(MqttPacketFormatterAdapter packetFormatterAdapter, byte[] buffer)
{
var channel = new TestMqttChannel(buffer);
var adapter = new MqttChannelAdapter(channel, packetFormatterAdapter, null, new MqttNetLogger());
adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult();
return(packetFormatterAdapter.ProtocolVersion);
//using (var headerStream = new MemoryStream(buffer))
//{
// //var fixedHeader = new byte[2];
// //var header = new MqttPacketReader(channel).ReadFixedHeaderAsync(fixedHeader, CancellationToken.None).GetAwaiter().GetResult().FixedHeader;
// //using (var bodyStream = new MemoryStream(buffer, (int)headerStream.Position, (int)header.RemainingLength))
// //{
// // var reader = ReaderFactory(bodyStream.ToArray());
// // var packet = new ReceivedMqttPacket(header.Flags, reader, 0);
// // packetFormatterAdapter.DetectProtocolVersion(packet);
// // return adapter.ProtocolVersion;
// //}
//}
}
TPacket Roundtrip <TPacket>(TPacket packet, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
where TPacket : MqttBasePacket
{
var writer = WriterFactory();
var serializer = MqttPacketFormatterAdapter.GetMqttPacketFormatter(protocolVersion, writer);
var buffer = serializer.Encode(packet);
var channel = new TestMqttChannel(buffer.ToArray());
var adapter = new MqttChannelAdapter(channel, new MqttPacketFormatterAdapter(protocolVersion, writer), null, new MqttNetLogger());
return((TPacket)adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult());
//using (var headerStream = new MemoryStream(buffer1.ToArray()))
//{
// //var fixedHeader = new byte[2];
// //var header = new MqttPacketReader(channel).ReadFixedHeaderAsync(fixedHeader, CancellationToken.None).GetAwaiter().GetResult().FixedHeader;
// //using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, (int)header.RemainingLength))
// //{
// // var reader = ReaderFactory(bodyStream.ToArray());
// // return (T)serializer.Decode(new ReceivedMqttPacket(header.Flags, reader, 0));
// //}
//}
}
void DeserializeAndCompare(MqttBasePacket packet, string expectedBase64Value, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
{
var writer = WriterFactory();
var serializer = MqttPacketFormatterAdapter.GetMqttPacketFormatter(protocolVersion, writer);
var buffer1 = serializer.Encode(packet);
using (var headerStream = new MemoryStream(buffer1.ToArray()))
{
var channel = new TestMqttChannel(headerStream);
var adapter = new MqttChannelAdapter(channel, new MqttPacketFormatterAdapter(protocolVersion, writer), null, new MqttNetLogger());
var receivedPacket = adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult();
var buffer2 = serializer.Encode(receivedPacket);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(buffer2.ToArray()));
//adapter.ReceivePacketAsync(CancellationToken.None);
//var fixedHeader = new byte[2];
//var header = new MqttPacketReader(channel).ReadFixedHeaderAsync(fixedHeader, CancellationToken.None).GetAwaiter().GetResult().FixedHeader;
//using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, header.RemainingLength))
//{
// var reader = ReaderFactory(bodyStream.ToArray());
// var deserializedPacket = serializer.Decode(new ReceivedMqttPacket(header.Flags, reader, 0));
// var buffer2 = serializer.Encode(deserializedPacket);
// Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(Join(buffer2)));
//}
}
}
MqttProtocolVersion DeserializeAndDetectVersion(MqttPacketFormatterAdapter packetFormatterAdapter, byte[] buffer)
{
var channel = new TestMqttChannel(buffer);
var adapter = new MqttChannelAdapter(channel, packetFormatterAdapter, null, new MqttNetEventLogger());
adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult();
return(packetFormatterAdapter.ProtocolVersion);
}
public MqttPacket Decode(MqttPacketBuffer buffer)
{
using (var channel = new TestMqttChannel(buffer.ToArray()))
{
var formatterAdapter = new MqttPacketFormatterAdapter(_protocolVersion, new MqttBufferWriter(4096, 65535));
var adapter = new MqttChannelAdapter(channel, formatterAdapter, null, MqttNetNullLogger.Instance);
return(adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult());
}
}
TPacket Roundtrip <TPacket>(TPacket packet, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311, MqttBufferWriter bufferWriter = null) where TPacket : MqttPacket
{
var writer = bufferWriter ?? WriterFactory();
var serializer = MqttPacketFormatterAdapter.GetMqttPacketFormatter(protocolVersion, writer);
var buffer = serializer.Encode(packet);
using (var channel = new TestMqttChannel(buffer.Join().ToArray()))
{
var adapter = new MqttChannelAdapter(channel, new MqttPacketFormatterAdapter(protocolVersion, new MqttBufferWriter(4096, 65535)), null, new MqttNetEventLogger());
return((TPacket)adapter.ReceivePacketAsync(CancellationToken.None).GetAwaiter().GetResult());
}
}
public void Serialize_LargePacket()
{
var serializer = new MqttPacketSerializer {
ProtocolVersion = MqttProtocolVersion.V311
};
const int payloadLength = 80000;
var payload = new byte[payloadLength];
var value = 0;
for (var i = 0; i < payloadLength; i++)
{
if (value > 255)
{
value = 0;
}
payload[i] = (byte)value;
}
var publishPacket = new MqttPublishPacket
{
Topic = "abcdefghijklmnopqrstuvwxyz0123456789",
Payload = payload
};
var buffer = serializer.Serialize(publishPacket);
var testChannel = new TestMqttChannel(new MemoryStream(buffer.Array, buffer.Offset, buffer.Count));
var header = MqttPacketReader.ReadFixedHeaderAsync(
testChannel,
new byte[2],
new byte[1],
CancellationToken.None).GetAwaiter().GetResult();
var eof = buffer.Offset + buffer.Count;
var receivedPacket = new ReceivedMqttPacket(
header.Flags,
new MqttPacketBodyReader(buffer.Array, eof - header.RemainingLength, buffer.Count + buffer.Offset));
var packet = (MqttPublishPacket)serializer.Deserialize(receivedPacket);
Assert.AreEqual(publishPacket.Topic, packet.Topic);
Assert.IsTrue(publishPacket.Payload.SequenceEqual(packet.Payload));
}
private T Roundtrip <T>(T packet, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
where T : MqttBasePacket
{
var writer = WriterFactory();
var serializer = MqttPacketFormatterAdapter.GetMqttPacketFormatter(protocolVersion, writer);
var buffer1 = serializer.Encode(packet);
using (var headerStream = new MemoryStream(Join(buffer1)))
{
var channel = new TestMqttChannel(headerStream);
var fixedHeader = new byte[2];
var header = new MqttPacketReader(channel).ReadFixedHeaderAsync(fixedHeader, CancellationToken.None).GetAwaiter().GetResult().FixedHeader;
using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, (int)header.RemainingLength))
{
var reader = ReaderFactory(bodyStream.ToArray());
return((T)serializer.Decode(new ReceivedMqttPacket(header.Flags, reader, 0)));
}
}
}
private static T Roundtrip <T>(T packet, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
where T : MqttBasePacket
{
var serializer = new MqttPacketSerializer {
ProtocolVersion = protocolVersion
};
var buffer1 = serializer.Serialize(packet);
using (var headerStream = new MemoryStream(Join(buffer1)))
{
var channel = new TestMqttChannel(headerStream);
var fixedHeader = new byte[2];
var singleByteBuffer = new byte[1];
var header = MqttPacketReader.ReadFixedHeaderAsync(channel, fixedHeader, singleByteBuffer, CancellationToken.None).GetAwaiter().GetResult();
using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, header.RemainingLength))
{
return((T)serializer.Deserialize(new ReceivedMqttPacket(header.Flags, new MqttPacketBodyReader(bodyStream.ToArray(), 0, (int)bodyStream.Length))));
}
}
}
private static void DeserializeAndCompare(MqttBasePacket packet, string expectedBase64Value, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
{
var serializer = new MqttPacketSerializer {
ProtocolVersion = protocolVersion
};
var buffer1 = serializer.Serialize(packet);
using (var headerStream = new MemoryStream(Join(buffer1)))
{
var channel = new TestMqttChannel(headerStream);
var fixedHeader = new byte[2];
var singleByteBuffer = new byte[1];
var header = MqttPacketReader.ReadFixedHeaderAsync(channel, fixedHeader, singleByteBuffer, CancellationToken.None).GetAwaiter().GetResult();
using (var bodyStream = new MemoryStream(Join(buffer1), (int)headerStream.Position, header.RemainingLength))
{
var deserializedPacket = serializer.Deserialize(new ReceivedMqttPacket(header.Flags, new MqttPacketBodyReader(bodyStream.ToArray(), 0, (int)bodyStream.Length)));
var buffer2 = serializer.Serialize(deserializedPacket);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(Join(buffer2)));
}
}
}
