/// <summary>
/// Initializes a new instance of the FileDetails class.
/// </summary>
public StreamLoaderResult(StreamLoadStatus status, StreamMetadata streamMeta, string contentType, Uri cloudLocation, Stream fileStream)
{
Status = status;
Metadata = streamMeta;
ContentType = contentType;
//MimeTypes.GetMimeTypeForFileExtension(Path.GetExtension(FileName));
CloudLocation = cloudLocation;
FileStream = fileStream;
}
private static bool IsActionableRangeRequest(StreamMetadata metadata, IEnumerable<RangeRequest> rangeRequests, string ifRangeEntityTag)
{
bool isRangeRequest = RangeRequestHelpers.IsPartialOrMultipleRangeRequests(rangeRequests, metadata.Size.Value);
return isRangeRequest &&
(string.IsNullOrWhiteSpace(ifRangeEntityTag)
|| string.Equals(metadata.ExpectedMD5, ifRangeEntityTag, StringComparison.OrdinalIgnoreCase));
}
private static long CalculateContentLength(StreamMetadata metadata, IEnumerable<RangeRequest> rangeRequests, string ifRangeEntityTag, string contentType, bool isMultipart)
{
if (IsActionableRangeRequest(metadata, rangeRequests, ifRangeEntityTag))
{
//sum the content length of each request, taking special care when we support multipart
long length = rangeRequests.Sum(rangeRequest => rangeRequest.End - rangeRequest.Start + 1 +
//length of our header, plus our intermediate header footer (line break)
(isMultipart ? rangeRequest.GetMultipartIntermediateHeader(contentType).Length + Environment.NewLine.Length : 0));
//responseContentLength += 49 + HttpMethodNames.MULTIPART_BOUNDARY.Length + contentType.Length + rangeRequests[i].startRange.ToString().Length + rangeRequests[i].endRange.ToString().Length + downloadProperties.Attachment.Size.ToString().Length;
//tack on the last intermediate header length if applicable
return isMultipart ?
length + _MultipartFooter.Length : length;
}
// not a Range request, or the requested Range entity ID does not match the current entity ID, so start a new download
return metadata.Size.Value;
}
