public void CreateBlobWithInputBytes()
{
byte[] bytes = { 0, 1, 2, 3, 4 };
SpookyHash spookyHash = new SpookyHash();
BlobAllocator allocator = new BlobAllocator();
IBlob blob = allocator.CreateBlob(bytes);
Assert.AreEqual((ulong)5, blob.Length);
Assert.AreEqual(spookyHash.CalculateHash(bytes), blob.BlobId);
}
public void CreateBlobWithInputSubStream()
{
byte[] bytes = { 0, 1, 2, 3, 4 };
SpookyHash spookyHash = new SpookyHash();
using (MemoryStream ms = new MemoryStream(bytes))
{
BlobAllocator allocator = new BlobAllocator();
IBlob blob = allocator.CreateBlob(ms, 4);
Assert.AreEqual((ulong)4, blob.Length);
Assert.AreEqual(spookyHash.CalculateHash(new byte[] { 0, 1, 2, 3 }), blob.BlobId);
}
}
internal void GetZipChunkingBlobs(ILogger logger, out string[] blobIds, out IReadOnlyDictionary <string, IBlob> blobs)
{
if (ResourceId.Equals(Constants.ZipChunkingResourceFiles.ZeroByteOfficeDocumentResourceId))
{
blobIds = new string[0];
blobs = new Dictionary <string, IBlob>();
return;
}
try
{
List <string> offsets = new List <string>();
string chunkIdsResourcePath = FilePath + Constants.ZipChunkingResourceFiles.ChunkIds;
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(chunkIdsResourcePath))
using (StreamReader streamReader = new StreamReader(stream))
{
while (!streamReader.EndOfStream)
{
offsets.Add(streamReader.ReadLine());
}
}
string[] blobIdsToReturn = new string[offsets.Count];
Dictionary <string, IBlob> blobsToReturn = new Dictionary <string, IBlob>();
IBlobAllocator blobAllocator = new BlobAllocator();
string fileStreamResourcePath = FilePath + Constants.ZipChunkingResourceFiles.FileStream;
using (Stream fs = Assembly.GetExecutingAssembly().GetManifestResourceStream(fileStreamResourcePath))
{
for (int i = 0; i < offsets.Count; i++)
{
if (!int.TryParse(offsets[i], out int offset_1))
{
throw new IOException($"In {nameof(Resource.GetZipChunkingBlobs)}, FileName:{FileName}, FilePath:{FilePath}, Offset:{offsets[ i ]} parsing failed");
}
if (fs.Position != offset_1)
{
throw new IOException("Filestream position not equal to offset parsed from ChunkIds.txt");
}
int offset_2 = (int)fs.Length;
if (i + 1 < offsets.Count)
{
if (!int.TryParse(offsets[i + 1], out offset_2))
{
throw new IOException($"In {nameof(Resource.GetZipChunkingBlobs)}, FileName:{FileName}, FilePath:{FilePath}, Offset:{offsets[ i + 1 ]} parsing failed");
}
}
IBlob blob = blobAllocator.CreateBlob(fs, offset_2 - offset_1);
blobIdsToReturn[i] = blob.BlobId;
if (!blobsToReturn.ContainsKey(blob.BlobId))
{
blobsToReturn.Add(blob.BlobId, blob);
}
}
}
blobIds = blobIdsToReturn;
blobs = blobsToReturn;
return;
}
catch (IOException ex)
{
logger.Log($"{nameof(Resource.GetZipChunkingBlobs)} IO Exception when trying to get resource content.");
logger.Log(ex.Message);
blobIds = new string[0];
blobs = new Dictionary <string, IBlob>();
return;
}
}
