//-------------------------------------------------
// Read pages from a page blob
//-------------------------------------------------
private static void ReadFromPageBlob(PageBlobClient pageBlobClient,
long bufferOffset, long rangeSize)
{
// <Snippet_ReadFromPageBlob>
var pageBlob = pageBlobClient.Download(new HttpRange(bufferOffset, rangeSize));
// </Snippet_ReadFromPageBlob>
}
//-------------------------------------------------
// Read valid page regions from a page blob
//-------------------------------------------------
private static void ReadValidPageRegionsFromPageBlob(PageBlobClient pageBlobClient,
long bufferOffset, long rangeSize)
{
// <Snippet_ReadValidPageRegionsFromPageBlob>
IEnumerable <HttpRange> pageRanges = pageBlobClient.GetPageRanges().Value.PageRanges;
foreach (var range in pageRanges)
{
var pageBlob = pageBlobClient.Download(range);
}
// </Snippet_ReadValidPageRegionsFromPageBlob>
}
public override byte ReadByte()
{
if (_blobLength == 0)
{
return(0);
}
if (_currPage == null || _prevPageOffset != GetCurrentPageOffset())
{
// download and cache the current page.
_currPage ??= new byte[512];
var range = new HttpRange(_currPageOffset, 512);
BlobDownloadInfo download = _pageBlobClient.Download(range);
download.Content.Read(_currPage, 0, 512);
}
var pos = _currPagePosition - _currPageOffset;
var b = _currPage[pos];
_currPagePosition += 1;
return(b);
}
