static List <string> UploadParts(string uploadID, AmazonGlacier client) { var partChecksumList = new List <string>(); long currentPosition = 0; var buffer = new byte[Convert.ToInt32(partSize)]; long fileLength = new FileInfo(BackupFilePath).Length; WriteFileUploadProgress(currentPosition, fileLength); using (var fileToUpload = new FileStream(BackupFilePath, FileMode.Open, FileAccess.Read)) { while (fileToUpload.Position < fileLength) { var uploadPartStream = GlacierUtils.CreatePartStream(fileToUpload, partSize); var checksum = TreeHashGenerator.CalculateTreeHash(uploadPartStream); partChecksumList.Add(checksum); // Upload part. var uploadMPUrequest = new UploadMultipartPartRequest() { VaultName = VaultName, Body = uploadPartStream, Checksum = checksum, UploadId = uploadID }; uploadMPUrequest.SetRange(currentPosition, currentPosition + uploadPartStream.Length - 1); client.UploadMultipartPart(uploadMPUrequest); currentPosition = currentPosition + uploadPartStream.Length; WriteFileUploadProgress(currentPosition, fileLength); } } return(partChecksumList); }
private bool retryUpload(object f_object) { try { ThreadData objData = null; AmazonGlacier client = null; Stream uploadPartStream = null; objData = (ThreadData)f_object; string uploadID = objData.uploadID; client = objData.client; long currentPosition = objData.currentPosition; Form1.log.Info("Trying to upload Part :" + Convert.ToString(objData.currentPosition)); //For the last one we need to make sure the buffer is the right size? //The uploadMPUrequest.SetRange probably takes care of this. int memoryBufferIndex = 0; //The index into buffer at which the stream begin int memoryBuffercount = (int)(objData.uploadPartStream.Length); //The length of the stream in bytes. uploadPartStream = new MemoryStream(objData.buffer, memoryBufferIndex, memoryBuffercount); //To ensure that part data is not corrupted in transmission, you compute a SHA256 tree // hash of the part and include it in your request. Upon receiving the part data, Amazon Glacier also computes a SHA256 tree hash. //If these hash values don't match, the operation fails. For information about computing a SHA256 tree hash, see Computing Checksums string checksum = TreeHashGenerator.CalculateTreeHash(uploadPartStream); SHA256ConcurrentQueue.Enqueue(checksum); UploadMultipartPartRequest uploadMPUrequest = new UploadMultipartPartRequest() { VaultName = vaultName, Body = uploadPartStream, Checksum = checksum, UploadId = uploadID }; uploadMPUrequest.SetRange(currentPosition, currentPosition + objData.uploadPartStream.Length - 1); UploadMultipartPartResponse mpr = client.UploadMultipartPart(uploadMPUrequest); Form1.log.Info("Retry Success " + Convert.ToString(mpr.ContentLength) + "bytes" + " for Part :" + Convert.ToString(objData.currentPosition)); return(true); } catch (Exception ex) { Form1.log.Error(ex.ToString()); return(false); } }
private void ThreadUpload(object f_object) { ThreadData objData = null; AmazonGlacier client = null; Stream uploadPartStream = null; try { objData = (ThreadData)f_object; string uploadID = objData.uploadID; client = objData.client; long currentPosition = objData.currentPosition; Form1.log.Info("Trying to upload Part :" + Convert.ToString(objData.currentPosition)); //For the last one we need to make sure the buffer is the right size? //The uploadMPUrequest.SetRange probably takes care of this. int memoryBufferIndex = 0; //The index into buffer at which the stream begin int memoryBuffercount = (int)(objData.uploadPartStream.Length); //The length of the stream in bytes. uploadPartStream = new MemoryStream(objData.buffer, memoryBufferIndex, memoryBuffercount); //To ensure that part data is not corrupted in transmission, you compute a SHA256 tree // hash of the part and include it in your request. Upon receiving the part data, Amazon Glacier also computes a SHA256 tree hash. //If these hash values don't match, the operation fails. For information about computing a SHA256 tree hash, see Computing Checksums string checksum = TreeHashGenerator.CalculateTreeHash(uploadPartStream); SHA256ConcurrentQueue.Enqueue(checksum); UploadMultipartPartRequest uploadMPUrequest = new UploadMultipartPartRequest() { VaultName = vaultName, Body = uploadPartStream, Checksum = checksum, UploadId = uploadID }; uploadMPUrequest.SetRange(currentPosition, currentPosition + objData.uploadPartStream.Length - 1); UploadMultipartPartResponse mpr = client.UploadMultipartPart(uploadMPUrequest); Form1.log.Info("Sent " + Convert.ToString(mpr.ContentLength) + "bytes" + " for Part :" + Convert.ToString(objData.currentPosition)); } catch (Exception e) { Form1.log.Error(e.ToString()); Form1.log.Error(e.StackTrace); Form1.log.Info("Retrying Part " + Convert.ToString(objData.currentPosition)); //Retrying up to 10 times - waiting longer each try { int fv = 0; bool successfulPartUpload = false; while (fv < 10 && successfulPartUpload == false) { successfulPartUpload = retryUpload(f_object); Thread.Sleep(4000 * fv); } } } finally { if (Interlocked.Decrement(ref ActiveWorkerCount) <= 0) { AllWorkerCompletedEvent.Set(); } uploadPartStream = null; f_object = null; objData = null; client = null; } }
static List<string> UploadParts(string uploadID, AmazonGlacier client) { var partChecksumList = new List<string>(); long currentPosition = 0; var buffer = new byte[Convert.ToInt32(partSize)]; long fileLength = new FileInfo(BackupFilePath).Length; WriteFileUploadProgress(currentPosition, fileLength); using (var fileToUpload = new FileStream(BackupFilePath, FileMode.Open, FileAccess.Read)) { while (fileToUpload.Position < fileLength) { var uploadPartStream = GlacierUtils.CreatePartStream(fileToUpload, partSize); var checksum = TreeHashGenerator.CalculateTreeHash(uploadPartStream); partChecksumList.Add(checksum); // Upload part. var uploadMPUrequest = new UploadMultipartPartRequest() { VaultName = VaultName, Body = uploadPartStream, Checksum = checksum, UploadId = uploadID }; uploadMPUrequest.SetRange(currentPosition, currentPosition + uploadPartStream.Length - 1); client.UploadMultipartPart(uploadMPUrequest); currentPosition = currentPosition + uploadPartStream.Length; WriteFileUploadProgress(currentPosition, fileLength); } } return partChecksumList; }