System.ServiceModel.Http2Protocol.FrameSerializer.DeserializeControlFrame C# (CSharp) Метод

        private BaseFrame DeserializeControlFrame(byte[] data)
        {
            FrameType type = GetFrameType(data);
            ControlFrame frame = new ControlFrame();

            switch (type)
            {
                case FrameType.RTS:
                    frame.StreamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));
                    frame.StatusCode = (StatusCode)BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 12, 4));
                    break;
                case FrameType.Headers:
                case FrameType.SynReply:
                    ParseControlFrameHeader(ref frame, data);

                    frame.StreamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));

                    ParseControlFrameHeaders(ref frame, data, 12);
                    break;
                case FrameType.SynStream:
                    ParseControlFrameHeader(ref frame, data);

                    frame.StreamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));
                    frame.AssociatedToStreamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 12, 4));
                    frame.Priority = (byte)(data[16] >> 5);
                    frame.Slot = data[17];

                    ParseControlFrameHeaders(ref frame, data, 18);
                    break;
                case FrameType.Settings:
                    int numberOfEntries = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));
                    frame = new SettingsFrame(numberOfEntries);
                    int headersOffset = 12;

                    for (int i = 0; i < numberOfEntries; i++)
                    {
                        int key = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, headersOffset, 4));
                        headersOffset += 4;
                        int value = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, headersOffset, 4));
                        headersOffset += 4;

                        frame.SettingsHeaders.Add(key, value);
                    }

                    ParseControlFrameHeader(ref frame, data);
                    break;
                case FrameType.GoAway:
                    int lastSeenGoodStreamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));
                    StatusCode status = StatusCode.Success;

                    if (data.Length > 12)
                        status = (StatusCode)BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 12, 4));

                    frame = new GoAwayFrame(lastSeenGoodStreamId, status);
                    ParseControlFrameHeader(ref frame, data);
                    break;
                case FrameType.Ping:
                    int streamID = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 4, 4));
                    frame = new ControlFrame { StreamId = streamID };

                    ParseControlFrameHeader(ref frame, data);
                    break;
                case FrameType.WindowUpdate:
                    int streamId = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 4, 4));
                    int deltaWindowSize = BinaryHelper.Int32FromBytes(new ArraySegment<byte>(data, 8, 4));
                    frame = new WindowUpdateFrame(streamId, deltaWindowSize);

                    ParseControlFrameHeader(ref frame, data);
                    break;
            }
            frame.Type = type;

            return frame;
        }