public DownloadConnection(DownloadRequest request, DownloadRange range, Stream stream,
long startPosition)
{
if (startPosition < -1)
{
throw new ArgumentException("Negative download length is invalid.", nameof(startPosition));
}
Request = request;
Range = range;
Stream = stream;
TotalDownloaded = startPosition >= 0 ? startPosition : (Stream.CanSeek ? Stream.Length : 0);
ShrinkStream(TotalDownloaded, CancellationToken.None).Wait();
if (Range.HasLength && (TotalWritten > Range.Length))
{
throw new ArgumentException("Invalid stream specified. Size is bigger than the requested portion.",
nameof(stream));
}
}
public DownloadConnection(DownloadRequest request, DownloadRange range, Stream stream)
: this(request, range, stream, -1)
{
}