コード例 #1
0
        public object Decode(ITranscoder transcoder, byte[] bytes, bool isNativeFiile)
        {
            lock (this)
            {
                buffer.Clear();
                if (isNativeFiile)
                {
                    return(null);
                }

                buffer.WriteBytes(bytes);

                if (buffer.ReadShort() != MAGIC_NUMBER)
                {
                    throw new ApplicationException("bytes have not used TranscoderManager encode.");
                }
                byte compress = buffer.ReadByte();
                int  len      = buffer.ReadInt();

                if (compress == 1)
                {
                    byte[] tempBytes = new byte[len];
                    buffer.ReadBytes(tempBytes, 0, len);
                    buffer.Clear();

                    using (MemoryStream ms = new MemoryStream(tempBytes))
                    {
                        ms.Flush();
                        using (GZipStream gipStream = new GZipStream(ms, CompressionMode.Decompress))
                        {
                            using (MemoryStream outBuffer = new MemoryStream())
                            {
                                byte[] block = new byte[1024];
                                while (true)
                                {
                                    int bytesRead = gipStream.Read(block, 0, block.Length);
                                    if (bytesRead <= 0)
                                    {
                                        break;
                                    }
                                    else
                                    {
                                        outBuffer.Write(block, 0, bytesRead);
                                    }
                                }
                                buffer.WriteBytes(outBuffer.ToArray());
                            }
                        }
                    }
                }
                return(transcoder.Decode(buffer));
            }
        }
コード例 #2
0
        public object Decode(ITranscoder transcoder, byte[] bytes,bool isNativeFiile)
        {
            lock(this)
            {
                buffer.Clear();
                if (isNativeFiile)
                {
                    return null;
                }

                buffer.WriteBytes(bytes);

                if(buffer.ReadShort() != MAGIC_NUMBER)
                {
                    throw new ApplicationException("bytes have not used TranscoderManager encode.");
                }
                byte compress = buffer.ReadByte();
                int len = buffer.ReadInt();

                if(compress == 1)
                {
                    byte[] tempBytes = new byte[len];
                    buffer.ReadBytes(tempBytes, 0, len);
                    buffer.Clear();

                    using (MemoryStream ms = new MemoryStream(tempBytes))
                    {
                        ms.Flush();
                        using (GZipStream gipStream = new GZipStream(ms, CompressionMode.Decompress))
                        {
                            using (MemoryStream outBuffer = new MemoryStream())
                            {
                                byte[] block = new byte[1024];
                                while (true)
                                {
                                    int bytesRead = gipStream.Read(block, 0, block.Length);
                                    if (bytesRead <= 0)
                                    {
                                        break;
                                    }
                                    else
                                    {
                                        outBuffer.Write(block, 0, bytesRead);
                                    }
                                }
                                buffer.WriteBytes(outBuffer.ToArray());
                            }
                        }
                    }
                }
                return transcoder.Decode(buffer);
            }
        }