public async Task<CopyableBlob[]> CopyDirectoryTo(string accountName, string accountKey,
string sourceContainerName, string directoryName, string destinationContanerName, string copyDirectoryPrefix = "")
{
var copyIds = new List<CopyableBlob>();
// get a list of the source account blobs
var sourceAccountStorageCredentials = new StorageCredentials(AccountName, AccountKey);
var account = new CloudStorageAccount(sourceAccountStorageCredentials, true);
var client = account.CreateCloudBlobClient();
var sourceContainer = client.GetContainerReference(sourceContainerName);
var blobs = sourceContainer.ListBlobs(directoryName, true);
// get a list of the destination account blobs
var destinationAccountCredentials = new StorageCredentials(accountName, accountKey);
var destinationAccount = new CloudStorageAccount(destinationAccountCredentials, true);
var destinationClient = destinationAccount.CreateCloudBlobClient();
var destinationContainer = destinationClient.GetContainerReference(destinationContanerName);
destinationContainer.CreateIfNotExists();
foreach (var blob in blobs)
{
var blockBlob = blob as CloudBlockBlob;
var destinationBlockBlob =
destinationContainer.GetBlockBlobReference(String.Format("{0}/{1}", copyDirectoryPrefix,
String.Join("", blob.Uri.Segments.Skip(3).Take(5).ToArray())));
var sas = blockBlob.GetSharedAccessSignature(new SharedAccessBlobPolicy()
{
Permissions = SharedAccessBlobPermissions.Read,
SharedAccessStartTime = DateTime.Now.AddMinutes(-15),
SharedAccessExpiryTime = DateTime.Now.AddHours(1)
});
blockBlob = new CloudBlockBlob(new Uri(blockBlob.Uri.AbsoluteUri + sas));
copyIds.Add(new CopyableBlob()
{
// the use of a SAS fubars this
CopyId = await destinationBlockBlob.StartCopyFromBlobAsync(blockBlob),
BlobUri = destinationBlockBlob.Uri,
ContainerName = destinationContanerName,
Size = (double) blockBlob.Properties.Length/1024,
PercentageCopied = 0
});
}
CopyingBlobs = copyIds.ToArray();
int completed = 0;
while (true)
{
foreach (var blob in copyIds)
{
var blockBlob = new CloudBlockBlob(blob.BlobUri, destinationAccountCredentials);
await blockBlob.FetchAttributesAsync();
await Task.Delay(500);
if (blockBlob.CopyState.BytesCopied.HasValue)
{
blob.PercentageCopied =
Convert.ToInt32(
Math.Round(
(double) blockBlob.CopyState.BytesCopied.Value/blockBlob.CopyState.TotalBytes.Value,
2)*100);
}
if (blockBlob.CopyState.Status == CopyStatus.Success ||
blockBlob.CopyState.Status == CopyStatus.Failed)
{
completed++;
}
if (completed == copyIds.Count)
return CopyingBlobs;
}
}
}
