static List<byte[]> computePartHashs(Stream stream)
{
long initialPosition = stream.Position;
SHA256 sha = SHA256.Create();
List<byte[]> hashes = new List<byte[]>();
while (stream.Position < stream.Length)
{
PartStreamWrapper wrapper = new PartStreamWrapper(stream, MB);
byte[] currentHash = sha.ComputeHash(wrapper);
hashes.Add(currentHash);
}
stream.Seek(initialPosition, SeekOrigin.Begin);
return hashes;
}
internal override void Execute()
{
FileInfo fileInfo = new FileInfo(filePath);
FileStream fileStream = File.OpenRead(filePath);
string uploadId = null;
try
{
this.currentUploadProgressArgs = new StreamTransferProgressArgs(0, 0, fileInfo.Length);
long partSize = CalculatePartSize(fileInfo.Length);
InitiateMultipartUploadRequest initiateRequest = new InitiateMultipartUploadRequest
{
AccountId = this.options.AccountId,
ArchiveDescription = archiveDescription,
VaultName = vaultName,
PartSize = partSize
};
initiateRequest.BeforeRequestEvent += new UserAgentPostFix("MultiUpload").UserAgentRequestEventHandlerSync;
InitiateMultipartUploadResult initiateResult = this.manager.GlacierClient.InitiateMultipartUpload(initiateRequest).InitiateMultipartUploadResult;
uploadId = initiateResult.UploadId;
List<string> partTreeHashs = new List<string>();
long currentPosition = 0;
while (currentPosition < fileInfo.Length)
{
long length = partSize;
if (currentPosition + partSize > fileInfo.Length)
{
length = fileInfo.Length - currentPosition;
}
PartStreamWrapper partStream = new PartStreamWrapper(fileStream, length);
string checksum = TreeHashGenerator.CalculateTreeHash(partStream);
partTreeHashs.Add(checksum);
UploadMultipartPartRequest uploadRequest = new UploadMultipartPartRequest
{
AccountId=this.options.AccountId,
Checksum=checksum,
Body=partStream,
Range = ("bytes " + currentPosition + "-" + (currentPosition + length - 1) + "/*"),
UploadId=uploadId,
VaultName=vaultName
};
uploadRequest.StreamTransferProgress += this.ProgressCallback;
uploadRequest.BeforeRequestEvent += new UserAgentPostFix("MultiUpload").UserAgentRequestEventHandlerSync;
this.manager.GlacierClient.UploadMultipartPart(uploadRequest);
currentPosition += partSize;
}
string totalFileChecksum = TreeHashGenerator.CalculateTreeHash(partTreeHashs);
string archiveSize = fileInfo.Length.ToString();
CompleteMultipartUploadRequest compRequest = new CompleteMultipartUploadRequest
{
AccountId=this.options.AccountId,
ArchiveSize=archiveSize,
VaultName=vaultName,
Checksum=totalFileChecksum,
UploadId=uploadId
};
compRequest.BeforeRequestEvent += new UserAgentPostFix("MultiUpload").UserAgentRequestEventHandlerSync;
CompleteMultipartUploadResult completeMultipartUploadResult = this.manager.GlacierClient.CompleteMultipartUpload(compRequest).CompleteMultipartUploadResult;
string archiveId = completeMultipartUploadResult.ArchiveId;
this.UploadResult = new UploadResult(archiveId, totalFileChecksum);
}
catch (Exception)
{
// If we got an unrecoverable then abort the upload.
if (!string.IsNullOrEmpty(uploadId))
{
AbortMultipartUploadRequest abortRequest = new AbortMultipartUploadRequest()
{
AccountId = this.options.AccountId,
VaultName = this.vaultName,
UploadId = uploadId
};
abortRequest.BeforeRequestEvent += new UserAgentPostFix("MultiUpload").UserAgentRequestEventHandlerSync;
this.manager.GlacierClient.AbortMultipartUpload(abortRequest);
}
throw;
}
finally
{
try { fileStream.Close(); }
catch (Exception) { }
}
}
