public void Serialize_LargePacket()
{
var serializer = new MqttV311PacketFormatter(WriterFactory());
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 publishPacketCopy = Roundtrip(publishPacket);
//var buffer = serializer.Encode(publishPacket);
//var testChannel = new TestMqttChannel(new MemoryStream(buffer.Array, buffer.Offset, buffer.Count));
//var header = new MqttPacketReader(testChannel).ReadFixedHeaderAsync(
// new byte[2],
// CancellationToken.None).GetAwaiter().GetResult().FixedHeader;
//var eof = buffer.Offset + buffer.Count;
//var receivedPacket = new ReceivedMqttPacket(
// header.Flags,
// new MqttPacketBodyReader(buffer.Array, eof - header.RemainingLength, buffer.Count + buffer.Offset),
// 0);
//var packet = (MqttPublishPacket)serializer.Decode(receivedPacket);
Assert.AreEqual(publishPacket.Topic, publishPacketCopy.Topic);
Assert.IsTrue(publishPacket.Payload.SequenceEqual(publishPacketCopy.Payload));
}
private static void SerializeAndCompare(MqttBasePacket packet, string expectedBase64Value, MqttProtocolVersion protocolVersion = MqttProtocolVersion.V311)
{
IMqttPacketFormatter serializer;
if (protocolVersion == MqttProtocolVersion.V311)
{
serializer = new MqttV311PacketFormatter();
}
else if (protocolVersion == MqttProtocolVersion.V310)
{
serializer = new MqttV310PacketFormatter();
}
else
{
throw new NotSupportedException();
}
var data = serializer.Encode(packet);
Assert.AreEqual(expectedBase64Value, Convert.ToBase64String(Join(data)));
}
