public virtual async Task UpdateContentAsync(StorageRecord record, Stream contents, string contentType, IProgress progress, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
GoogleProgressSource uploadProgress = null;
ProgressReporter miscProgress = null;
if (null != progress)
{
uploadProgress = new GoogleProgressSource();
miscProgress = new NCoreUtils.Progress.ProgressReporter();
new SummaryProgress(progress, uploadProgress, miscProgress);
}
miscProgress.SetTotal(2);
miscProgress.SetValue(0);
long?contentLength;
try
{
contentLength = contents.Length;
}
catch (NotSupportedException)
{
contentLength = null;
}
GoogleObject googleObject;
if (contentLength.HasValue && contents.CanSeek)
{
googleObject = await UpdateSeekableStream(contents, contentLength.Value).ConfigureAwait(false);
}
else
{
if (string.IsNullOrEmpty(contentType))
{
// if no content length can be deternied and content type is not set --> stream must be buffered....
using (var buffer = new MemoryStream())
{
await contents.CopyToAsync(buffer).ConfigureAwait(false);
buffer.Seek(0, SeekOrigin.Begin);
googleObject = await UpdateSeekableStream(buffer, buffer.Length);
}
}
else
{
uploadProgress.SetTotal(1);
uploadProgress.SetValue(0);
string mediaType = contentType;
miscProgress.SetValue(1);
var options = new UploadObjectOptions
{
ChunkSize = StorageProvider.Options.ChunkSize
};
record.GoogleObject.Crc32c = null;
record.GoogleObject.ComponentCount = null;
record.GoogleObject.ETag = null;
record.GoogleObject.Md5Hash = null;
record.GoogleObject.ContentType = mediaType ?? "application/octet-stream";
googleObject = await UseStorageClient(async client =>
{
record.GoogleObject = await client.UploadObjectAsync(record.GoogleObject, contents, options, cancellationToken).ConfigureAwait(false);
miscProgress.SetValue(2);
uploadProgress.SetValue(1);
return(record.GoogleObject);
}).ConfigureAwait(false);
}
}
record.GoogleObject = googleObject;
async Task <GoogleObject> UpdateSeekableStream(Stream stream, long clength)
{
uploadProgress.SetTotal(clength);
uploadProgress.SetValue(0);
string mediaType = contentType ?? await StorageProvider.GetMediaTypeAsync(stream, record.Name, cancellationToken).ConfigureAwait(false);
miscProgress.SetValue(1);
var options = new UploadObjectOptions
{
ChunkSize = StorageProvider.Options.ChunkSize
};
record.GoogleObject.Size = (ulong)clength;
record.GoogleObject.Crc32c = null;
record.GoogleObject.ComponentCount = null;
record.GoogleObject.ETag = null;
record.GoogleObject.Md5Hash = null;
record.GoogleObject.ContentType = mediaType ?? "application/octet-stream";
return(await UseStorageClient(async client =>
{
record.GoogleObject = await client.UploadObjectAsync(record.GoogleObject, stream, options, cancellationToken, uploadProgress).ConfigureAwait(false);
miscProgress.SetValue(2);
return record.GoogleObject;
}).ConfigureAwait(false));
}
}
public virtual async Task <StorageRecord> CreateRecordAsync(string name, Stream contents, string contentType, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
cancellationToken.ThrowIfCancellationRequested();
GoogleProgressSource uploadProgress = null;
ProgressReporter miscProgress = null;
if (null != progress)
{
uploadProgress = new GoogleProgressSource();
miscProgress = new NCoreUtils.Progress.ProgressReporter();
new SummaryProgress(progress, uploadProgress, miscProgress);
}
miscProgress.SetTotal(2);
miscProgress.SetValue(0);
long?contentLength;
try
{
contentLength = contents.Length;
}
catch (NotSupportedException)
{
contentLength = null;
}
GoogleObject googleObject;
if (contentLength.HasValue && contents.CanSeek)
{
googleObject = await UploadSeekableStream(contents, contentLength.Value);
}
else
{
if (string.IsNullOrEmpty(contentType))
{
// if no content length can be deternied and content type is not set --> stream must be buffered....
using (var buffer = new MemoryStream())
{
await contents.CopyToAsync(buffer);
buffer.Seek(0, SeekOrigin.Begin);
googleObject = await UploadSeekableStream(buffer, buffer.Length);
}
}
else
{
uploadProgress.SetTotal(1);
uploadProgress.SetValue(0);
var options = new UploadObjectOptions
{
ChunkSize = StorageProvider.Options.ChunkSize,
PredefinedAcl = StorageProvider.Options.PredefinedAcl
};
googleObject = new GoogleObject
{
Bucket = BucketName,
Name = name.TrimStart('/'),
CacheControl = StorageProvider.Options.DefaultCacheControl,
ContentDisposition = StorageProvider.Options.DefaultContentDisposition,
ContentEncoding = StorageProvider.Options.DefaultContentEncoding,
ContentLanguage = StorageProvider.Options.DefaultContentLanguage,
ContentType = contentType
};
googleObject = await UseStorageClient(client => client.UploadObjectAsync(googleObject, contents, options, cancellationToken)).ConfigureAwait(false);
uploadProgress.SetValue(1);
}
}
var result = new StorageRecord(this, name, googleObject);
miscProgress.SetValue(2);
return(result);
async Task <GoogleObject> UploadSeekableStream(Stream stream, long clength)
{
uploadProgress.SetTotal(clength);
uploadProgress.SetValue(0);
string mediaType;
if (string.IsNullOrEmpty(contentType))
{
mediaType = await StorageProvider.GetMediaTypeAsync(stream, name, cancellationToken).ConfigureAwait(false);
stream.Seek(0, SeekOrigin.Begin);
}
else
{
mediaType = contentType;
}
miscProgress.SetValue(1);
var options = new UploadObjectOptions
{
ChunkSize = StorageProvider.Options.ChunkSize,
PredefinedAcl = StorageProvider.Options.PredefinedAcl
};
googleObject = new GoogleObject
{
Bucket = BucketName,
Name = name.TrimStart('/'),
CacheControl = StorageProvider.Options.DefaultCacheControl,
ContentDisposition = StorageProvider.Options.DefaultContentDisposition,
ContentEncoding = StorageProvider.Options.DefaultContentEncoding,
ContentLanguage = StorageProvider.Options.DefaultContentLanguage,
ContentType = mediaType ?? "application/octet-stream",
Size = (ulong)clength
};
return(await UseStorageClient(client => client.UploadObjectAsync(googleObject, stream, options, cancellationToken, uploadProgress)).ConfigureAwait(false));
}
}