static void Main(string[] args) { byte[] bytes = new VariableInteger(12345); VariableInteger integer = bytes; UInt64 uinteger = integer; int size = VariableInteger.Size(bytes[0]); InitialPacket packet = new InitialPacket() { Version = 16, SourceConnectionId = 124, DestinationConnectionId = 0, PacketNumber = 777521, TokenLength = 0 }; packet = new PacketCreator().CreateInitialPacket(124, 0); ConnectionCloseFrame frame = new ConnectionCloseFrame(ErrorCode.SERVER_BUSY, "The server is too busy to process your request."); MaxStreamIdFrame msidframe = new MaxStreamIdFrame(144123, StreamType.ClientUnidirectional); //packet.AttachFrame(frame); packet.AttachFrame(msidframe); byte[] data = packet.Encode(); string b64 = ToBase64(data); byte[] shpdata1 = new byte[] { 1, 1, 2, 3, 5, 8 }; byte[] shpdata2 = new byte[] { 13, 21, 34, 55, 89, 144 }; ShortHeaderPacket shp = new ShortHeaderPacket(); shp.DestinationConnectionId = 124; shp.PacketNumber = 2; shp.AttachFrame(new StreamFrame() { StreamId = 1, Length = new VariableInteger((UInt64)shpdata2.Length), StreamData = shpdata2, Offset = 6, EndOfStream = true }); shp.AttachFrame(new StreamFrame() { StreamId = 1, Length = new VariableInteger((UInt64)shpdata1.Length), StreamData = shpdata1, Offset = 0 }); string shpb64 = ToBase64(shp.Encode()); packet.Decode(data); byte[] ccfData = frame.Encode(); frame.Decode(new ByteArray(ccfData)); byte[] streamIdData = new StreamId(123, StreamType.ClientUnidirectional); StreamId streamId = streamIdData; QuicListener listener = new QuicListener(11000); listener.OnClientConnected += Listener_OnClientConnected; listener.Start(); }