private void UploadChunk(string filePath, string blobName, ref ChunkInfo chunk) { int tid = System.Threading.Thread.CurrentThread.ManagedThreadId; if (logger != null) { logger.Log("Start Synchronizer Read Chunk From File" + tid); } if (StaticChunkSize > MaxAzureBlockSize && StaticChunkSize % MaxAzureBlockSize != 0) { throw new NotImplementedException("chunk size (current: " + chunk.rsize + ") has to be a fixed multiple of maximum block size :" + MaxAzureBlockSize); } // structuredLog("I", "uploading chunk with index: " + chunk.chunkIndex); byte[] chunkBuffer = new byte[chunk.rsize]; long start = DateTime.Now.Ticks; using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read)) { fs.Seek(chunk.roffset, SeekOrigin.Begin); BinaryReader br = new BinaryReader(fs); br.Read(chunkBuffer, 0, chunkBuffer.Length);//read chunk into buffer fs.Close(); } long end = DateTime.Now.Ticks; // Console.WriteLine("time taken : " + (double)((double)(end - start) / (double)10000000)); if (logger != null) { logger.Log("End Synchronizer Read Chunk From File" + tid); } // Here is the compression and encryption for the chunk if (logger != null) { logger.Log("Start Synchronizer Compress Chunk"); } byte[] compressedChunkBuffer = Compress(chunkBuffer);// for now if (logger != null) { logger.Log("End Synchronizer Compress Chunk"); } if (logger != null) { logger.Log("Start Synchronizer Encrypt Chunk"); } byte[] encryptedCompressedChunkBuffer = Encrypt(compressedChunkBuffer); if (logger != null) { logger.Log("End Synchronizer Encrypt Chunk"); } if (logger != null) { logger.Log("Start Synchronizer Upload Chunk" + tid); } int blockID; if (StaticChunkSize < MaxAzureBlockSize) { blockID = (int)chunk.chunkIndex; } else { blockID = (int)chunk.chunkIndex * (int)(StaticChunkSize / MaxAzureBlockSize); } int blockCount = 0; CloudBlockBlob blockBlob = GetBlockBlobReference(blobName); // Upload the chunk while (blockCount * MaxAzureBlockSize < encryptedCompressedChunkBuffer.Length) { string blockIdBase64 = Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(blockID.ToString(CultureInfo.InvariantCulture).PadLeft(16, '0'))); int blockSize = MaxAzureBlockSize <= encryptedCompressedChunkBuffer.Length - blockCount * MaxAzureBlockSize ? MaxAzureBlockSize : encryptedCompressedChunkBuffer.Length - blockCount * MaxAzureBlockSize; long startt = DateTime.Now.Ticks; using (MemoryStream ms = new MemoryStream(encryptedCompressedChunkBuffer, blockCount * MaxAzureBlockSize, blockSize)) { blockBlob.PutBlock(blockIdBase64, ms, GetMD5FromStream(ms.ToArray()), GetBlobRequestOptions()); } long endt = DateTime.Now.Ticks; //Console.WriteLine("+" + (double)((double)(endt - startt) / (double)10000000)); chunk.AddToBlockList(blockID); chunk.SetCSize(encryptedCompressedChunkBuffer.Length); blockID++; blockCount++; } if (logger != null) { logger.Log("End Synchronizer Upload Chunk" + tid); } }
private void UploadChunk(string filePath, string s3objectName, ref ChunkInfo chunk) { // structuredLog("I", "uploading chunk with index: " + chunk.chunkIndex); // if (logger != null) logger.Log("Thread: " + System.Threading.Thread.CurrentThread.ManagedThreadId); if (logger != null) { logger.Log("Start Synchronizer Read Chunk From File"); } byte[] chunkBuffer = new byte[chunk.rsize]; using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read)) { fs.Seek(chunk.roffset, SeekOrigin.Begin); BinaryReader br = new BinaryReader(fs); br.Read(chunkBuffer, 0, chunkBuffer.Length);//read chunk into buffer fs.Close(); } if (logger != null) { logger.Log("End Synchronizer Read Chunk From File"); } // Here is the compression and encryption for the chunk if (logger != null) { logger.Log("Start Synchronizer Compress Chunk"); } byte[] compressedChunkBuffer = Compress(chunkBuffer);// for now if (logger != null) { logger.Log("End Synchronizer Compress Chunk"); } if (logger != null) { logger.Log("Start Synchronizer Encrypt Chunk"); } byte[] encryptedCompressedChunkBuffer = Encrypt(compressedChunkBuffer); if (logger != null) { logger.Log("End Synchronizer Encrypt Chunk"); } if (logger != null) { logger.Log("Start Synchronizer Upload Chunk"); } string chunkObjectName = ChunkObjectNamePrefix + s3objectName + "-" + chunk.chunkIndex; if (UploadByteArrayToS3Object(chunkObjectName, encryptedCompressedChunkBuffer)) { chunk.SetBlobName(chunkObjectName); chunk.SetCSize(encryptedCompressedChunkBuffer.Length); } else { throw new Exception("Chunk upload for given chunk has failed. FileName: " + s3objectName + " . Chunk:" + chunk.ToString()); } if (logger != null) { logger.Log("End Synchronizer Upload Chunk"); } }