public override long Seek(long offset, SeekOrigin origin)
{
_options.Dispose();
_result.Dispose();
switch (origin)
{
case SeekOrigin.End:
Position = Length + offset;
break;
case SeekOrigin.Begin:
Position = offset;
break;
case SeekOrigin.Current:
Position += offset;
break;
default:
throw new NotSupportedException();
}
_options = new SWIG.UplinkDownloadOptions {
length = _length, offset = Position
};
_result = SWIG.storj_uplink.uplink_download_object(_bucket._projectRef, _bucket.Name, _objectName, _options);
return(Position);
}
internal DownloadOperation(SWIG.UplinkDownloadResult downloadResult, long totalBytes, string objectName)
{
_download = downloadResult.download;
TotalBytes = totalBytes;
_bytesToDownload = new byte[TotalBytes];
ObjectName = objectName;
}
public async Task <DownloadOperation> DownloadObjectAsync(Bucket bucket, string targetPath, DownloadOptions downloadOptions, bool immediateStart = true)
{
using (var downloadOptionsSWIG = downloadOptions.ToSWIG())
{
using (SWIG.UplinkDownloadResult downloadResult = await Task.Run(() => SWIG.storj_uplink.uplink_download_object(_access._project, bucket.Name, targetPath, downloadOptionsSWIG)))
{
if (downloadResult.error != null && !string.IsNullOrEmpty(downloadResult.error.message))
{
throw new ObjectNotFoundException(targetPath, downloadResult.error.message);
}
using (SWIG.UplinkObjectResult objectResult = await Task.Run(() => SWIG.storj_uplink.uplink_download_info(downloadResult.download)))
{
if (objectResult.error != null && !string.IsNullOrEmpty(objectResult.error.message))
{
throw new ObjectNotFoundException(targetPath, objectResult.error.message);
}
DownloadOperation download = new DownloadOperation(downloadResult, objectResult.object_.system.content_length, targetPath);
if (immediateStart)
{
download.StartDownloadAsync(); //Don't await it, otherwise it would "block" DownloadObjectAsync
}
return(download);
}
}
}
}
public void Dispose()
{
if (_downloadResult != null)
{
SWIG.storj_uplink.uplink_free_download_result(_downloadResult);
_downloadResult.Dispose();
_downloadResult = null;
}
}
public DownloadStream(Bucket bucket, int totalBytes, string objectName)
{
_length = totalBytes;
_bucket = bucket;
_objectName = objectName;
_options = new SWIG.UplinkDownloadOptions {
length = totalBytes, offset = Position
};
_result = SWIG.storj_uplink.uplink_download_object(_bucket._projectRef, _bucket.Name, _objectName, _options);
}
protected override void Dispose(bool disposing)
{
if (_options != null)
{
_options.Dispose();
_options = null;
}
if (_result != null)
{
_result.Dispose();
_result = null;
}
}