Exemple #1
0
        public void DictShouldEqualExpect(short version, Codec codec, int tag)
        {
            var buffer  = Unpooled.Buffer(1);
            var options = new TarsConvertOptions()
            {
                Codec   = codec,
                Version = version,
                Tag     = tag
            };
            var dict = new Dictionary <string, string>
            {
                { "str", "ok" }
            };

            sut.Serialize(dict, buffer, options);
            headHandler.ReadHead(buffer, options);
            var result = sut.Deserialize <Dictionary <string, string> >(buffer, options);

            Assert.Single(result);
            Assert.Equal("ok", result["str"]);
            Assert.Equal(tag, options.Tag);
            Assert.Equal(TarsStructType.Map, options.TarsType);
        }
Exemple #2
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        public void DecodeFullHttpRequestWithUrlEncodedBodyWithInvalidHexNibbleLo()
        {
            byte[]      bodyBytes = Encoding.UTF8.GetBytes("foo=bar&a=b&empty=%2g&city=london");
            IByteBuffer content   = Unpooled.DirectBuffer(bodyBytes.Length);

            content.WriteBytes(bodyBytes);

            IFullHttpRequest req = new DefaultFullHttpRequest(HttpVersion.Http11, HttpMethod.Post, "/", content);

            try
            {
                new HttpPostRequestDecoder(req);
                Assert.False(true); // Was expecting an ErrorDataDecoderException
            }
            catch (ErrorDataDecoderException e)
            {
                Assert.Equal("Invalid hex byte at index '0' in string: '%2g'", e.Message);
            }
            finally
            {
                req.Release();
            }
        }
        public void ReleaseWhenMergeCumulateThrows()
        {
            WriteFailingByteBuf oldCumulation = new WriteFailingByteBuf(1, 64);

            oldCumulation.WriteZero(1);
            var input = Unpooled.Buffer().WriteZero(12);

            Exception thrown = null;

            try
            {
                ByteToMessageDecoder.MergeCumulator.Cumulate(UnpooledByteBufferAllocator.Default, oldCumulation, input);
            }
            catch (Exception t)
            {
                thrown = t;
            }

            Assert.Same(oldCumulation.WriteError(), thrown);
            Assert.Equal(0, input.ReferenceCount);
            Assert.Equal(1, oldCumulation.ReferenceCount);
            oldCumulation.Release();
        }
        public void TestUpgradeChunk()
        {
            EmbeddedChannel ch      = new EmbeddedChannel(new Http2StreamFrameToHttpObjectCodec(true));
            var             hello   = Unpooled.CopiedBuffer("hello world", Encoding.UTF8);
            var             content = new DefaultHttpContent(hello);

            Assert.True(ch.WriteOutbound(content));

            var dataFrame = ch.ReadOutbound <IHttp2DataFrame>();

            try
            {
                Assert.Equal("hello world", dataFrame.Content.ToString(Encoding.UTF8));
                Assert.False(dataFrame.IsEndStream);
            }
            finally
            {
                dataFrame.Release();
            }

            Assert.Null(ch.ReadOutbound());
            Assert.False(ch.Finish());
        }
Exemple #5
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        public void TestPartialMessage()
        {
            var ch = new EmbeddedChannel(new FrameDecoder(1024, _prepend, _append));

            for (var i = 0; i < 2; i++)
            {
                ch.WriteInbound(Unpooled.Buffer(2)
                                .WriteBytes(_prepend)
                                .WriteBytes(_iso.GetBytes("A")));
                var buf = ch.ReadInbound <IByteBuffer>();
                Assert.Null(buf);

                ch.WriteInbound(Unpooled.Buffer(1).WriteByte(_append[0]));
                buf = ch.ReadInbound <IByteBuffer>();
                Assert.Null(buf);

                ch.WriteInbound(Unpooled.Buffer(1).WriteByte(_append[1]));
                buf = ch.ReadInbound <IByteBuffer>();
                ReferenceCountUtil.ReleaseLater(buf);
                Assert.Equal("A", buf.ToString(_iso));
                buf.Release();
            }
        }
        public void ResetContentResponseWithTransferEncoding()
        {
            var ch = new EmbeddedChannel(new HttpResponseDecoder());

            Assert.True(ch.WriteInbound(Unpooled.CopiedBuffer(Encoding.ASCII.GetBytes(
                                                                  "HTTP/1.1 205 Reset Content\r\n" +
                                                                  "Transfer-Encoding: chunked\r\n" +
                                                                  "\r\n" +
                                                                  "0\r\n" +
                                                                  "\r\n"))));

            var res = ch.ReadInbound <IHttpResponse>();

            Assert.Same(HttpVersion.Http11, res.ProtocolVersion);
            Assert.Equal(HttpResponseStatus.ResetContent, res.Status);

            var lastContent = ch.ReadInbound <ILastHttpContent>();

            Assert.False(lastContent.Content.IsReadable());
            lastContent.Release();

            Assert.False(ch.Finish());
        }
Exemple #7
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 protected override void Encode(IChannelHandlerContext context, IJT808Reply message, IByteBuffer output)
 {
     if (message.Package != null)
     {
         try
         {
             var sendData = JT808Serializer.Serialize(message.Package, message.MinBufferSize);
             output.WriteBytes(Unpooled.WrappedBuffer(sendData));
         }
         catch (JT808.Protocol.Exceptions.JT808Exception ex)
         {
             logger.LogError(ex, context.Channel.Id.AsShortText());
         }
         catch (System.Exception ex)
         {
             logger.LogError(ex, context.Channel.Id.AsShortText());
         }
     }
     else if (message.HexData != null)
     {
         output.WriteBytes(Unpooled.WrappedBuffer(message.HexData));
     }
 }
        public void EncodeVarint32Size(int size, byte[] data)
        {
            IByteBuffer written = null;

            try
            {
                var         channel = new EmbeddedChannel(new ProtobufVarint32LengthFieldPrepender());
                IByteBuffer content = Unpooled.WrappedBuffer(data, size, data.Length - size);
                Assert.True(channel.WriteOutbound(content));
                written = channel.ReadOutbound <IByteBuffer>();
                Assert.NotNull(written);
                byte[] output = TestUtil.GetReadableBytes(written);

                Assert.Equal(data.Length, output.Length);
                Assert.True(output.SequenceEqual(data));

                Assert.False(channel.Finish());
            }
            finally
            {
                written?.Release();
            }
        }
        public void WriteHeaders()
        {
            int streamId = 1;
            var headers  = new DefaultHttp2Headers();

            headers.Method    = (AsciiString)"GET";
            headers.Path      = (AsciiString)"/";
            headers.Authority = (AsciiString)"foo.com";
            headers.Scheme    = (AsciiString)"https";

            _frameWriter.WriteHeadersAsync(_ctx.Object, streamId, headers, 0, true, _promise);

            byte[] expectedPayload    = HeaderPayload(streamId, headers);
            byte[] expectedFrameBytes =
            {
                (byte)0x00, (byte)0x00, (byte)0x0a,            // payload length = 10
                (byte)0x01,                                    // payload type = 1
                (byte)0x05,                                    // flags = (0x01 | 0x04)
                (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01 // stream id = 1
            };
            _expectedOutbound = Unpooled.CopiedBuffer(expectedFrameBytes, expectedPayload);
            Assert.Equal(_expectedOutbound, _outbound);
        }
Exemple #10
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        public void TestSetMaxHeaderListSizeEnforcedAfterSet()
        {
            Assert.Throws <Http2Exception>(() =>
            {
                var buf = Unpooled.Buffer();
                IHttp2Headers headers = new DefaultHttp2Headers();
                headers.Add(
                    (AsciiString)"x-big-header",
                    (AsciiString) new string(new char[1024 * 16]).Replace('\0', 'X')
                    );

                hpackEncoder.SetMaxHeaderListSize(1000);

                try
                {
                    hpackEncoder.EncodeHeaders(0, buf, headers, NeverSensitiveDetector.Instance);
                }
                finally
                {
                    buf.Release();
                }
            });
        }
Exemple #11
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        public void FragmentedDecode()
        {
            EmbeddedChannel ch = new EmbeddedChannel(new LineBasedFrameDecoder(8192, false, false));

            Assert.False(ch.WriteInbound(Unpooled.CopiedBuffer("huu", Encoding.ASCII)));
            Assert.Null(ch.ReadInbound <IByteBuffer>());

            Assert.False(ch.WriteInbound(Unpooled.CopiedBuffer("haa\r", Encoding.ASCII)));
            Assert.Null(ch.ReadInbound <IByteBuffer>());

            Assert.True(ch.WriteInbound(Unpooled.CopiedBuffer("\nhuuhaa\r\n", Encoding.ASCII)));
            var buf = ch.ReadInbound <IByteBuffer>();

            Assert.Equal("huuhaa\r\n", buf.ToString(Encoding.ASCII));

            var buf2 = ch.ReadInbound <IByteBuffer>();

            Assert.Equal("huuhaa\r\n", buf2.ToString(Encoding.ASCII));
            Assert.False(ch.FinishAndReleaseAll());

            buf.Release();
            buf2.Release();
        }
Exemple #12
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        public void TestWillEncode16MBHeaderByDefault()
        {
            var           buf           = Unpooled.Buffer();
            var           bigHeaderName = "x-big-header";
            int           bigHeaderSize = 1024 * 1024 * 16;
            var           bigHeaderVal  = new string(new char[bigHeaderSize]).Replace('\0', 'X');
            IHttp2Headers headersIn     = new DefaultHttp2Headers();

            headersIn.Add((AsciiString)"x-big-header", (AsciiString)bigHeaderVal);
            IHttp2Headers headersOut = new DefaultHttp2Headers();

            try
            {
                hpackEncoder.EncodeHeaders(0, buf, headersIn, NeverSensitiveDetector.Instance);
                hpackDecoder.SetMaxHeaderListSize(bigHeaderSize + 1024);
                hpackDecoder.Decode(0, buf, headersOut, false);
            }
            finally
            {
                buf.Release();
            }
            Assert.Equal(bigHeaderVal, headersOut.Get((AsciiString)bigHeaderName, null).ToString());
        }
Exemple #13
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        protected override void Encode(IChannelHandlerContext context, string message, List <object> output)
        {
            Span <byte> strBytes      = Encoding.Convert(Encoding.UTF8, Encoding, Encoding.UTF8.GetBytes(message));
            int         bytesLength   = strBytes.Length;
            Span <byte> encryptedData = new byte[bytesLength + (int)Math.Ceiling((decimal)bytesLength / 0x7E) + 1];

            int j = 0;

            for (int i = 0; i < bytesLength; i++)
            {
                if ((i % 126) == 0)
                {
                    encryptedData[i + j] = (byte)(bytesLength - i > 126 ? 126 : bytesLength - i);
                    j++;
                }

                encryptedData[i + j] = (byte)~strBytes[i];
            }

            encryptedData[encryptedData.Length - 1] = 0xFF;

            output.Add(Unpooled.WrappedBuffer(encryptedData.ToArray()));
        }
        public void ShouldEqualExpect(short version, Codec codec, int tag, int age, string name)
        {
            var buffer  = Unpooled.Buffer(1);
            var options = new TarsConvertOptions()
            {
                Codec   = codec,
                Version = version,
                Tag     = tag
            };
            TestData data = new TestData()
            {
                Age  = age,
                Name = name
            };

            sut.Serialize(data, buffer, options);
            headHandler.ReadHead(buffer, options);
            var result = sut.Deserialize <TestData>(buffer, options);

            Assert.Equal(tag, options.Tag);
            Assert.Equal(age, result.Age);
            Assert.Equal(name, result.Name);
        }
Exemple #15
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        public void Identity()
        {
            var ch = new EmbeddedChannel(new HttpContentCompressor());

            Assert.True(ch.WriteInbound(NewRequest()));

            var res = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.OK,
                                                  Unpooled.CopiedBuffer(Encoding.ASCII.GetBytes("Hello, World")));
            int len = res.Content.ReadableBytes;

            res.Headers.Set(HttpHeaderNames.ContentLength, len);
            res.Headers.Set(HttpHeaderNames.ContentEncoding, HttpHeaderValues.Identity);
            Assert.True(ch.WriteOutbound(res));

            var response = ch.ReadOutbound <IFullHttpResponse>();

            Assert.Equal(len.ToString(), response.Headers.Get(HttpHeaderNames.ContentLength, null).ToString());
            Assert.Equal(HttpHeaderValues.Identity.ToString(), response.Headers.Get(HttpHeaderNames.ContentEncoding, null).ToString());
            Assert.Equal("Hello, World", response.Content.ToString(Encoding.ASCII));
            response.Release();

            Assert.True(ch.FinishAndReleaseAll());
        }
Exemple #16
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        private static byte[] Encode(HpackEncoder hpackEncoder, List <HpackHeaderField> headers, int maxHeaderTableSize, bool sensitive)
        {
            IHttp2Headers        http2Headers        = ToHttp2Headers(headers);
            ISensitivityDetector sensitivityDetector = sensitive ? AlwaysSensitiveDetector.Instance : NeverSensitiveDetector.Instance;
            var buffer = Unpooled.Buffer();

            try
            {
                if (maxHeaderTableSize != -1)
                {
                    hpackEncoder.SetMaxHeaderTableSize(buffer, maxHeaderTableSize);
                }

                hpackEncoder.EncodeHeaders(3 /* randomly chosen */, buffer, http2Headers, sensitivityDetector);
                byte[] bytes = new byte[buffer.ReadableBytes];
                buffer.ReadBytes(bytes);
                return(bytes);
            }
            finally
            {
                buffer.Release();
            }
        }
        public void PrematureClosureWithChunkedEncoding1()
        {
            var ch = new EmbeddedChannel(new HttpResponseDecoder());

            ch.WriteInbound(Unpooled.CopiedBuffer(Encoding.ASCII.GetBytes("HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n")));

            // Read the response headers.
            var res = ch.ReadInbound <IHttpResponse>();

            Assert.Same(HttpVersion.Http11, res.ProtocolVersion);
            Assert.Equal(HttpResponseStatus.OK, res.Status);
            Assert.Equal("chunked", res.Headers.Get(HttpHeaderNames.TransferEncoding, null).ToString());
            res = ch.ReadInbound <IHttpResponse>();
            Assert.Null(res);

            // Close the connection without sending anything.
            ch.Finish();

            // The decoder should not generate the last chunk because it's closed prematurely.
            var last = ch.ReadInbound <IByteBufferHolder>();

            Assert.Null(last);
        }
        private byte[] EncodeMediaAsFlvTagAndPrevTagSize(AbstractRtmpMediaMessage msg)
        {
            int tagType = msg.GetMsgType();

            byte[] data              = msg.Raw();
            int    dataSize          = data.Length;
            int    timestamp         = (msg.Timestamp ?? 0) & 0xffffff;
            int    timestampExtended = (int)(((msg.Timestamp ?? 0) & 0xff000000) >> 24);

            var buffer = Unpooled.Buffer();

            buffer.WriteByte(tagType);
            buffer.WriteMedium(dataSize);
            buffer.WriteMedium(timestamp);
            buffer.WriteByte(timestampExtended); // timestampExtended
            buffer.WriteMedium(0);               // streamid
            buffer.WriteBytes(data);
            buffer.WriteInt(data.Length + 11);   // prevousTagSize

            byte[] r = new byte[buffer.ReadableBytes];
            buffer.ReadBytes(r);
            return(r);
        }
Exemple #19
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        protected override void Encode(IChannelHandlerContext context, string message, List <object> output)
        {
            try
            {
                var tmp = _loginServerConfiguration.UserLanguage.GetEncoding().GetBytes($"{message} ");
                for (var i = 0; i < message.Length; i++)
                {
                    tmp[i] = Convert.ToByte(tmp[i] + 15);
                }

                tmp[tmp.Length - 1] = 25;
                if (tmp.Length == 0)
                {
                    return;
                }

                output.Add(Unpooled.WrappedBuffer(tmp));
            }
            catch (Exception ex)
            {
                Logger.Log.Info(LogLanguage.Instance.GetMessageFromKey(LanguageKey.ENCODE_ERROR), ex);
            }
        }
Exemple #20
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        protected override void Encode(IChannelHandlerContext context, T message, List <object> output)
        {
            Contract.Requires(context != null);
            Contract.Requires(message != null);
            Contract.Requires(output != null);

            IByteBuffer buffer = null;

            try
            {
                buffer = Unpooled.WrappedBuffer(ProtoUtils.Serialize(message));
                output.Add(buffer);
                buffer = null;
            }
            catch (Exception exception)
            {
                throw new CodecException(exception);
            }
            finally
            {
                buffer?.Release();
            }
        }
        public override void Encode(IByteBuffer buffer)
        {
            var buf = Unpooled.Buffer();

            try
            {
                buf.WriteShort(PacketId);

                foreach (var item in _topics)
                {
                    buf.WriteString(item);
                }

                FixedHeader.RemaingLength = buf.ReadableBytes;
                FixedHeader.WriteTo(buffer);
                buffer.WriteBytes(buf);
                buf = null;
            }
            finally
            {
                buf?.Release();
            }
        }
Exemple #22
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        public override void Encode(IByteBuffer buffer)
        {
            var buf = Unpooled.Buffer();

            try
            {
                buf.WriteUnsignedShort(PacketId);

                foreach (var item in _subscribeTopics)
                {
                    buf.WriteString(item.Topic);
                    buf.WriteByte((byte)item.Qos);
                }

                FixedHeader.RemaingLength = buf.ReadableBytes;
                FixedHeader.WriteFixedHeader(buffer);
                buffer.WriteBytes(buf);
            }
            finally
            {
                buf?.Release();
            }
        }
        public void TestEncodeDataEndAsClient()
        {
            EmbeddedChannel  ch    = new EmbeddedChannel(new Http2StreamFrameToHttpObjectCodec(false));
            IByteBuffer      hello = Unpooled.CopiedBuffer("hello world", Encoding.UTF8);
            ILastHttpContent end   = new DefaultLastHttpContent(hello, true);

            Assert.True(ch.WriteOutbound(end));

            var dataFrame = ch.ReadOutbound <IHttp2DataFrame>();

            try
            {
                Assert.Equal("hello world", dataFrame.Content.ToString(Encoding.UTF8));
                Assert.True(dataFrame.IsEndStream);
            }
            finally
            {
                dataFrame.Release();
            }

            Assert.Null(ch.ReadOutbound());
            Assert.False(ch.Finish());
        }
Exemple #24
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        private void SendRealMsg2Server(IChannelHandlerContext context, string msg)
        {
            Logger.Info($"发送消息到Server, msg:{msg}");
            msg = msg.Replace("-", "");
            var bytes  = BytesUtil.Hex2Bytes(msg);
            var buffer = Unpooled.WrappedBuffer(bytes);

            DatagramPacket packet = null;

            if (Index == 0)
            {
                packet = new DatagramPacket(buffer, new IPEndPoint(IPAddress.Parse((string)RemoteHost), RemotePort));
            }
            else
            {
                packet = new DatagramPacket(buffer, context.Channel.RemoteAddress);
            }
            context.WriteAndFlushAsync(packet);
            Index++;

//            var packet = new DatagramPacket(buffer,context.Channel.RemoteAddress);
//            context.WriteAndFlushAsync(packet);
        }
Exemple #25
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        public void DecodeMalformedNotEncodedContentDispositionFieldParameters()
        {
            const string Boundary = "74e78d11b0214bdcbc2f86491eeb4902";

            const string Body = "--" + Boundary + "\r\n" +
                                "Content-Disposition: form-data; name=\"file\"; filename*=not-encoded\r\n" +
                                "\r\n" +
                                "foo\r\n" +
                                "\r\n" +
                                "--" + Boundary + "--";

            var req = new DefaultFullHttpRequest(
                HttpVersion.Http11,
                HttpMethod.Post,
                "http://localhost",
                Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(Body)));

            req.Headers.Add(HttpHeaderNames.ContentType, "multipart/form-data; boundary=" + Boundary);
            var inMemoryFactory = new DefaultHttpDataFactory(false);

            Assert.Throws <ErrorDataDecoderException>(() => new HttpPostRequestDecoder(inMemoryFactory, req));
            req.Release();
        }
Exemple #26
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        protected override void ChannelRead0(IChannelHandlerContext ctx, DatagramPacket msg)
        {
            Logger.Info("GkDevice收到server端消息");
            var buffer = msg.Content;

            if (buffer == null)
            {
                return;
            }
            var serverMsg = Unpooled.Buffer(buffer.ReadableBytes);

            buffer.ReadBytes(serverMsg);
            var hexMsg = BytesUtil.BytesToHex(serverMsg.Array);

            Logger.Info($"收到server端消息, data:{hexMsg}");
            if (hexMsg.Contains("7ffe0048"))
            {
                var deviceInfo   = DeviceInfoMsg.Replace("-", "");
                var bytes        = BytesUtil.Hex2Bytes(deviceInfo);
                var deviceBuffer = Unpooled.WrappedBuffer(bytes);
                ctx.WriteAndFlushAsync(new DatagramPacket(deviceBuffer, msg.Sender));
            }
        }
Exemple #27
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        public override Task WriteAsync(IChannelHandlerContext context, object msg)
        {
            if (!(msg is ClusterMessage message))
            {
                return(base.WriteAsync(context, null));
            }

            message.Encode();

            if (message.Id != 20103)
            {
                message.Encrypt();
            }

            var header = Unpooled.Buffer(5);

            header.WriteUnsignedShort(message.Id);
            header.WriteMedium(message.Length);

            base.WriteAsync(context, header);

            return(base.WriteAsync(context, message.Writer));
        }
Exemple #28
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        protected override void Encode(IChannelHandlerContext context, string message, List <object> output)
        {
            try
            {
                var tmp = Encoding.Default.GetBytes($"{message} ");
                for (var i = 0; i < message.Length; i++)
                {
                    tmp[i] = Convert.ToByte(tmp[i] + 15);
                }

                tmp[tmp.Length - 1] = 25;
                if (tmp.Length == 0)
                {
                    return;
                }

                output.Add(Unpooled.WrappedBuffer(tmp));
            }
            catch
            {
                //do nothing maybe log it
            }
        }
Exemple #29
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 public void Send(byte[] bytes)
 {
     kcpChannel?.write(Unpooled.WrappedBuffer(bytes));
     if (kcpChannel != null)
     {
         Log.Info(string.Format("sento_sender({0}): {1} {2} => {3} Channel:{4} DATA:{5}", this.netType, kcpChannel.user().RemoteAddress.ToIPv4String(), Global.Host.Id, ConnId, this.kcpChannel.user().Channel.Id.AsLongText(), StringUtil.ToHexString(bytes)));
     }
     tcpChannel?.WriteAndFlushAsync(Unpooled.WrappedBuffer(bytes));
     if (tcpChannel != null)
     {
         Log.Info(string.Format("sento_sender({0}): {1} {2} => {3} Channel:{4} DATA:{5}", this.netType, tcpChannel.RemoteAddress.ToIPv4String(), Global.Host.Id, ConnId, tcpChannel.Id.AsLongText(), StringUtil.ToHexString(bytes)));
     }
     kcpClient?.Send(bytes);
     if (kcpClient != null)
     {
         Log.Info(string.Format("sento_receiver({0}): {1} {2} => {3} Channel:{4} DATA:{5}", this.netType, kcpClient.RemoteAddress.ToIPv4String(), Global.Host.Id, ConnId, kcpClient.ChannelId, StringUtil.ToHexString(bytes)));
     }
     tcpClient?.Send(bytes);
     if (tcpClient != null)
     {
         Log.Info(string.Format("sento_receiver({0}): {1} {2} => {3} Channel:{4} DATA:{5}", this.netType, tcpClient.RemoteAddress.ToIPv4String(), Global.Host?.Id, ConnId, tcpClient.ChannelId, StringUtil.ToHexString(bytes)));
     }
 }
Exemple #30
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        public IByteBuffer ToByteBuffer()
        {
            var apiNameBytes = Encoding.UTF8.GetBytes(this.ApiName);
            var headLength   = apiNameBytes.Length + 16;

            this.TotalBytes = this.Body == null ? headLength : headLength + this.Body.Length;

            this.ApiNameLength = (byte)apiNameBytes.Length;
            var bb = Unpooled.Buffer(TotalBytes);

            bb.WriteByte(FastPacket.Mark);      //1
            bb.WriteInt(this.TotalBytes);       //4
            bb.WriteByte(this.ApiNameLength);   //1
            bb.WriteBytes(apiNameBytes);        //
            bb.WriteLong(this.Id);              //8
            bb.WriteBoolean(this.IsFromClient); //1
            bb.WriteBoolean(this.IsException);  //1
            if (this.Body != null)
            {
                bb.WriteBytes(this.Body);
            }
            return(bb);
        }