コード例 #1
0
        public SignatureInfo GetByName(string sigName)
        {
            SignatureInfo result = null;

            _storage.Batch(
                accessor =>
            {
                var signatureLevel = GetSignatureLevel(sigName, accessor);
                if (signatureLevel == null)
                {
                    throw new FileNotFoundException(sigName + " not found in the repo");
                }
                result        = SignatureInfo.Parse(sigName);
                result.Length = accessor.GetSignatureSize(signatureLevel.Id, signatureLevel.Level);
            });
            return(result);
        }
コード例 #2
0
 public IEnumerable <SignatureInfo> GetByFileName()
 {
     return(from item in GetSigFileNamesByFileName()
            select SignatureInfo.Parse(item));
 }
コード例 #3
0
		public IList<RdcNeed> CreateNeedsList(SignatureInfo seedSignature, SignatureInfo sourceSignature,
											  CancellationToken token)
		{
			var result = new List<RdcNeed>();
			using (var seedStream = _seedSignatureRepository.GetContentForReading(seedSignature.Name))
			using (var sourceStream = _sourceSignatureRepository.GetContentForReading(sourceSignature.Name))
			{
				var fileReader = (IRdcFileReader)new RdcFileReader(seedStream);
				IRdcComparator comparator;
				if (_rdcLibrary.CreateComparator(fileReader, ComparatorBufferSize, out comparator) != 0)
					throw new RdcException("Cannot create comparator");

				var inputBuffer = new RdcBufferPointer
				{
					Size = 0,
					Used = 0,
					Data = Marshal.AllocCoTaskMem(InputBufferSize + 16)
				};

				var outputBuffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(RdcNeed)) * 256);

				try
				{
					var eofInput = false;
					var eofOutput = false;
					var outputPointer = new RdcNeedPointer();

					while (!eofOutput)
					{
						token.ThrowIfCancellationRequested();

						if (inputBuffer.Size == inputBuffer.Used && !eofInput)
						{
							var bytesRead = 0;
							try
							{
								bytesRead = RdcBufferTools.IntPtrCopy(sourceStream, inputBuffer.Data, InputBufferSize);
							}
							catch (Exception ex)
							{
								throw new RdcException("Failed to read from the source stream.", ex);
							}

							inputBuffer.Size = (uint)bytesRead;
							inputBuffer.Used = 0;

							if (bytesRead < InputBufferSize)
							{
								eofInput = true;
							}
						}

						// Initialize our output needs array
						outputPointer.Size = 256;
						outputPointer.Used = 0;
						outputPointer.Data = outputBuffer;

						RdcError error;

						var hr = comparator.Process(eofInput, ref eofOutput, ref inputBuffer, ref outputPointer, out error);

						if (hr != 0)
							throw new RdcException("Failed to process the signature block!", hr, error);

						// Convert the stream to a Needs array.
						var needs = GetRdcNeedList(outputPointer);
						result.AddRange(needs);
					}
				}
				finally
				{
					// Free our resources
					if (outputBuffer != IntPtr.Zero)
						Marshal.FreeCoTaskMem(outputBuffer);

					if (inputBuffer.Data != IntPtr.Zero)
						Marshal.FreeCoTaskMem(inputBuffer.Data);
				}
				return result;
			}
		}
コード例 #4
0
		public IList<RdcNeed> CreateNeedsList(SignatureInfo seedSignature, SignatureInfo sourceSignature)
		{
			return CreateNeedsList(seedSignature, sourceSignature, CancellationToken.None);
		}
コード例 #5
0
 private static SignatureInfo ExtractFileNameAndLevel(string sigName)
 {
     return(SignatureInfo.Parse(sigName));
 }
コード例 #6
0
        public IList <RdcNeed> CreateNeedsList(SignatureInfo seedSignature, SignatureInfo sourceSignature,
                                               CancellationToken token)
        {
            var result = new List <RdcNeed>();

            using (var seedStream = _seedSignatureRepository.GetContentForReading(seedSignature.Name))
                using (var sourceStream = _sourceSignatureRepository.GetContentForReading(sourceSignature.Name))
                {
                    var            fileReader = (IRdcFileReader) new RdcFileReader(seedStream);
                    IRdcComparator comparator;
                    if (_rdcLibrary.CreateComparator(fileReader, ComparatorBufferSize, out comparator) != 0)
                    {
                        throw new RdcException("Cannot create comparator");
                    }

                    var inputBuffer = new RdcBufferPointer
                    {
                        Size = 0,
                        Used = 0,
                        Data = Marshal.AllocCoTaskMem(InputBufferSize + 16)
                    };

                    var outputBuffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(RdcNeed)) * 256);

                    try
                    {
                        var eofInput      = false;
                        var eofOutput     = false;
                        var outputPointer = new RdcNeedPointer();

                        while (!eofOutput)
                        {
                            token.ThrowIfCancellationRequested();

                            if (inputBuffer.Size == inputBuffer.Used && !eofInput)
                            {
                                var bytesRead = 0;
                                try
                                {
                                    bytesRead = RdcBufferTools.IntPtrCopy(sourceStream, inputBuffer.Data, InputBufferSize);
                                }
                                catch (Exception ex)
                                {
                                    throw new RdcException("Failed to read from the source stream.", ex);
                                }

                                inputBuffer.Size = (uint)bytesRead;
                                inputBuffer.Used = 0;

                                if (bytesRead < InputBufferSize)
                                {
                                    eofInput = true;
                                }
                            }

                            // Initialize our output needs array
                            outputPointer.Size = 256;
                            outputPointer.Used = 0;
                            outputPointer.Data = outputBuffer;

                            RdcError error;

                            var hr = comparator.Process(eofInput, ref eofOutput, ref inputBuffer, ref outputPointer, out error);

                            if (hr != 0)
                            {
                                throw new RdcException("Failed to process the signature block!", hr, error);
                            }

                            // Convert the stream to a Needs array.
                            var needs = GetRdcNeedList(outputPointer);
                            result.AddRange(needs);
                        }
                    }
                    finally
                    {
                        // Free our resources
                        if (outputBuffer != IntPtr.Zero)
                        {
                            Marshal.FreeCoTaskMem(outputBuffer);
                        }

                        if (inputBuffer.Data != IntPtr.Zero)
                        {
                            Marshal.FreeCoTaskMem(inputBuffer.Data);
                        }
                    }
                    return(result);
                }
        }
コード例 #7
0
 public IList <RdcNeed> CreateNeedsList(SignatureInfo seedSignature, SignatureInfo sourceSignature)
 {
     return(CreateNeedsList(seedSignature, sourceSignature, CancellationToken.None));
 }