public void Setup()
{
_packet = new MqttPublishPacket
{
Topic = "A"
};
var serializer = new MqttPacketFormatterAdapter(MqttProtocolVersion.V311, new MqttBufferWriter(4096, 65535));
var serializedPacket = Join(serializer.Encode(_packet).Join());
_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 MemoryMqttChannel(_stream);
_channelAdapter = new MqttChannelAdapter(channel, serializer, null, new MqttNetEventLogger());
}
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 MemoryMqttChannel(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 MemoryMqttChannel(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 MemoryMqttChannel(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 MemoryMqttChannel(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());
}
}
