public async Task OnFailedAsync(UploadExceptionEvent @event,
CancellationToken ct)
{
var exception = await ParseExceptionAsync(@event.Response, @event.Exception, ct);
await inner.OnFailedAsync(new AssetUploadExceptionEvent(@event.FileId, exception), ct);
}
/// <summary>
/// Uploads the file.
/// </summary>
/// <returns>The upload id.</returns>
/// <param name="filePath">File path.</param>
/// <param name="uploadName">Upload name.</param>
/// <param name="maxPartRetry">Max part retry.</param>
public async Task <string> UploadFile(string filePath, string uploadName, int maxPartRetry = 3, long maxPartSize = 6000000L)
{
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException(nameof(filePath));
}
if (string.IsNullOrWhiteSpace(uploadName))
{
throw new ArgumentNullException(nameof(uploadName));
}
if (maxPartRetry < 1)
{
throw new ArgumentException("Max Part Retry needs to be greater than or equal to 1", nameof(maxPartRetry));
}
if (maxPartSize < 1)
{
throw new ArgumentException("Max Part Size needs to be greater than 0", nameof(maxPartSize));
}
var fileInfo = new FileInfo(filePath);
var contentType = MimeGuesser.GuessFileType(filePath).MimeType;
Amazon.S3.Model.InitiateMultipartUploadResponse multiPartStart;
using (var client = CreateNewClient())
{
multiPartStart = await client.InitiateMultipartUploadAsync(new Amazon.S3.Model.InitiateMultipartUploadRequest()
{
BucketName = _spaceName,
ContentType = contentType,
Key = uploadName
});
var estimatedParts = (int)(fileInfo.Length / maxPartSize);
if (estimatedParts == 0)
{
estimatedParts = 1;
}
UploadStatusEvent?.Invoke(this, new UploadStatus(0, estimatedParts, 0, fileInfo.Length));
try
{
var i = 0L;
var n = 1;
Dictionary <string, int> parts = new Dictionary <string, int>();
while (i < fileInfo.Length)
{
long partSize = maxPartSize;
var lastPart = (i + partSize) >= fileInfo.Length;
if (lastPart)
{
partSize = fileInfo.Length - i;
}
bool complete = false;
int retry = 0;
Amazon.S3.Model.UploadPartResponse partResp = null;
do
{
retry++;
try
{
partResp = await client.UploadPartAsync(new Amazon.S3.Model.UploadPartRequest()
{
BucketName = _spaceName,
FilePath = filePath,
FilePosition = i,
IsLastPart = lastPart,
PartSize = partSize,
PartNumber = n,
UploadId = multiPartStart.UploadId,
Key = uploadName
});
complete = true;
}
catch (Exception ex)
{
UploadExceptionEvent?.Invoke(this, new UploadException($"Failed to upload part {n} on try #{retry}", ex));
}
} while (!complete && retry <= maxPartRetry);
if (!complete || partResp == null)
{
throw new Exception($"Unable to upload part {n}");
}
parts.Add(partResp.ETag, n);
i += partSize;
UploadStatusEvent?.Invoke(this, new UploadStatus(n, estimatedParts, i, fileInfo.Length));
n++;
}
// upload complete
var completePart = await client.CompleteMultipartUploadAsync(new Amazon.S3.Model.CompleteMultipartUploadRequest()
{
UploadId = multiPartStart.UploadId,
BucketName = _spaceName,
Key = uploadName,
PartETags = parts.Select(p => new Amazon.S3.Model.PartETag(p.Value, p.Key)).ToList()
});
}
catch (Exception ex)
{
var abortPart = await client.AbortMultipartUploadAsync(_spaceName, uploadName, multiPartStart.UploadId);
UploadExceptionEvent?.Invoke(this, new UploadException("Something went wrong upload file and it was aborted", ex));
}
}
return(multiPartStart?.UploadId);
}
