private IEnumerable <IndexRange> GetPageRanges()
{
pageBlob.FetchAttributesAsync(new AccessCondition(), blobRequestOptions, operationContext: null)
.ConfigureAwait(false).GetAwaiter().GetResult();
IEnumerable <PageRange> pageRanges = pageBlob.GetPageRangesAsync(null, null, new AccessCondition(), blobRequestOptions, operationContext: null)
.ConfigureAwait(false).GetAwaiter().GetResult();
pageRanges = pageRanges.OrderBy(range => range.StartOffset);
return(pageRanges.Select(pr => new IndexRange(pr.StartOffset, pr.EndOffset)));
}
//
// Function for calculating the size of a blob
//
private static void CalculateBlobSize(string accountName, object containerName, object blobName, string sasToken, bool isDisk)
{
// Now that we hvae the SAS-token, let's calculate the size of the snapshot
var blobSizeInBytes = 0F;
System.Console.WriteLine("Trying to retrieve Blob...");
var blob = default(ICloudBlob);
var blobUri = new Uri($"https://{accountName}.blob.core.windows.net/{containerName}/{blobName}?{sasToken}");
try
{
var reqOptions = new BlobRequestOptions
{
ServerTimeout = TimeSpan.FromMinutes(5),
MaximumExecutionTime = TimeSpan.FromMinutes(5)
};
if (isDisk)
{
var pageBlob = new CloudPageBlob(blobUri);
blob = pageBlob;
Task.WaitAll(blob.FetchAttributesAsync());
var blobSize = pageBlob.Properties.Length;
System.Console.WriteLine($"Blob size per API in bytes: {blobSize}.");
System.Console.WriteLine($"Blob size per API in MB: {blobSize / 1024 / 1024}.");
System.Console.WriteLine($"Blob size per API in GB: {blobSize / 1024 / 1024 / 1024}.");
var pageRanges = pageBlob.GetPageRangesAsync().Result;
foreach (var rg in pageRanges)
{
blobSizeInBytes += (12 + (rg.EndOffset - rg.StartOffset));
}
}
else
{
var blockBlob = new CloudBlockBlob(blobUri);
blob = blockBlob;
blobSizeInBytes += 8;
var blockList = blockBlob.DownloadBlockListAsync().Result;
foreach (var bl in blockList)
{
blobSizeInBytes += bl.Length + bl.Name.Length;
}
}
}
catch (Exception ex)
{
System.Console.WriteLine($"EXCPETION: {ex.Message}");
if (ex.InnerException != null)
{
System.Console.WriteLine($"INNER EXCEPTION: {ex.InnerException.Message}");
}
}
// Add the base size to the previously calculated size
blobSizeInBytes += (124 + (blob.Name.Length * 2));
foreach (var md in blob.Metadata)
{
blobSizeInBytes += (3 + (md.Key.Length + md.Value.Length));
}
// Output the final size of the blob
System.Console.WriteLine("");
System.Console.WriteLine($"Blob Size per calculation in bytes: {blobSizeInBytes}");
System.Console.WriteLine($"Blob Size per calculation in MB: {blobSizeInBytes / 1024 / 1024}");
System.Console.WriteLine($"Blob Size per calculation in GB: {blobSizeInBytes / 1024 / 1024 / 1024}");
}
public static IEnumerable <PageRange> GetPageRanges(this CloudPageBlob blob, long?offset = default(long?), long?length = default(long?), AccessCondition accessCondition = null, BlobRequestOptions options = null, OperationContext operationContext = null)
{
return(blob.GetPageRangesAsync(offset, length, accessCondition, options, operationContext).GetAwaiter().GetResult());
}
