private async Task <UploadResponse> SingleUpload(UploadRequest request)
{
logger.Info("Using PutObject to upload file");
if (_configuration.EnforceMd5Upload && request.PutObjectRequest.ContentMD5 == null)
{
var inputStream = request.PutObjectRequest.PutObjectBody;
var contentMd5 = MultipartUtils.CalculateMd5(inputStream);
if (inputStream.CanSeek)
{
inputStream.Position = 0;
}
else
{
throw new NotSupportedException("Stream cannot be seeked, Please re-try with re-readable streams.");
}
request.PutObjectRequest.ContentMD5 = contentMd5;
}
if (request.OnProgress != null)
{
request.PutObjectRequest.PutObjectBody = new ProgressTrackingInputStream(
request.PutObjectRequest.PutObjectBody, new ProgressTracker(request.OnProgress, request.PutObjectRequest.PutObjectBody.Length));
}
var response = await _osClient.PutObject(request.PutObjectRequest, request.RetryConfiguration).ConfigureAwait(false);
return(new UploadResponse()
{
ETag = response.ETag,
OpcRequestId = response.OpcRequestId,
OpcClientRequestId = response.OpcClientRequestId,
OpcContentMd5 = response.OpcContentMd5
});
}
/// <summary>
/// Add the next part to the upload. Parts will be committed in the order submitted.
/// </summary>
/// <param name="stream"></param>
/// <param name="contentLength"></param>
/// <param name="partNumber"></param>
/// <returns>Part Number</returns>
public async Task <int> AddPart(Stream stream, long contentLength, int partNumber)
{
ValidateState();
MultipartUtils.ValidatePartNumber(partNumber);
var request = new UploadPartRequest()
{
BucketName = _bucketName,
NamespaceName = _namespaceName,
ObjectName = _objectName,
ContentLength = contentLength,
UploadId = _multipartManifest.UploadId,
UploadPartNum = partNumber,
UploadPartBody = stream,
OpcClientRequestId = CreateClientRequestId($"Part{partNumber}")
};
if (_enforceContentMD5Upload)
{
request.ContentMD5 = MultipartUtils.CalculateMd5(stream);
if (stream.CanSeek)
{
stream.Position = 0;
_logger.Info($"MD5: {request.ContentMD5}");
}
else
{
throw new NotSupportedException("Stream cannot be seeked, Please re-try with re-readable streams.");
}
}
await _transferManager.StartTransfer(request).ConfigureAwait(false);
return(partNumber);
}
/// <summary>
/// Initiates a new upload request. The upload manager will decide whether to use
/// a single PutObject call or multi-part uploads depending on the UploadConfiguration specified.
/// If a multi-part upload attempt fails, the UploadManager will attempt to abort the upload to avoid leaving
/// partially complete uploads and parts (unless explicitly disabled via UploadConfiguration).
/// </summary>
/// <param name="request">UploadRequest</param>
/// <returns>Task<UploadResponse></returns>
public async Task <UploadResponse> Upload(UploadRequest request)
{
if (MultipartUtils.ShouldUseMultipart(_configuration, request.PutObjectRequest.PutObjectBody.Length))
{
logger.Info("Using multipart Upload");
return(await MultipartUpload(request).ConfigureAwait(false));
}
return(await SingleUpload(request).ConfigureAwait(false));
}