public Stream GetFileStream(string bucketName, string key)
{
if (!ChunkCache.ContainsKey(GetS3Url(bucketName, key)))
{
S3Chunk chunk = S3ChunkStorage.GetObjectAsChunk(bucketName, key).Result;
ChunkCache.Add(GetS3Url(bucketName, key), chunk);
return(chunk.ResponseStream);
}
return(ChunkCache[GetS3Url(bucketName, key)].ResponseStream);
}
private bool TryReadByte(long byteIndex, out byte b)
{
b = 0;
if (byteIndex >= Session.FileInfo.FileSize)
{
return(false);
}
// calculate chunk index by byte number
long chunkNumber = (byteIndex / Session.FileInfo.ChunkSize) + 1;
if (!ChunkCache.ContainsKey(chunkNumber))
{
ChunkCache.Clear();
ChunkCache.Add(chunkNumber, Repository.Read(Session.Id, (int)chunkNumber));
}
// get the i-th byte inside that chunk
b = ChunkCache[chunkNumber][byteIndex % Session.FileInfo.ChunkSize];
return(true);
}