XLibrary.Remote.DatPacket.Decode C# (CSharp) Method

        public static DatPacket Decode(G2Header root)
        {
            var dat = new DatPacket();

            foreach(var child in G2Protocol.EnumerateChildren(root))
            {
                switch (child.Name)
                {
                    case Packet_Pos:
                        dat.Pos = BitConverter.ToInt64(child.Data, child.PayloadPos);
                        break;

                    case Packet_Data:
                        dat.Data = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
                        break;
                }
            }

            return dat;
        }

        void Receive_DatPacket(XConnection connection, G2ReceivedPacket packet)
        {
            // received by client from server
            var chunk = DatPacket.Decode(packet.Root);

            // write to tmp file
            if (LocalTempFile == null)
            {
                LocalTempFile = File.Create(LocalDatTempPath);
                LocalTempFile.SetLength(0);
            }

            Log("Received dat pos: {0}, length: {1}", chunk.Pos, chunk.Data.Length); //todo delete

            LocalTempFile.Write(chunk.Data);

            var percentComplete = LocalTempFile.Length * 100 / RemoteDatSize;

            RemoteStatus = string.Format("Downloading Dat File - {0}% Complete", percentComplete);

            // hash when complete
            if (LocalTempFile.Length >= RemoteDatSize)
            {
                LocalTempFile.Close();
                LocalTempFile = null;

                var checkHash = Utilities.MD5HashFile(LocalDatTempPath);

                if (checkHash == RemoteDatHash)
                {
                    File.Move(LocalDatTempPath, LocalDatPath);
                    Send_StartSync(connection);
                }
                else
                {
                    RemoteStatus = string.Format("Dat integrity check failed - Expecting {0}, got {1}", RemoteDatHash, checkHash);
                }
            }
        }