public static CloudBlobContainer GetContainer(string connectionString, string containerName)
{
try
{
return(BackupRestoreUtility.PerformWithRetries <string, CloudBlobContainer>(
(string name) =>
{
CloudBlobContainer container = GetContainerRef(connectionString, name);
// Create the container
if (!container.Exists())
{
throw new ArgumentException(string.Format("Given container {0} doesn't exist.", name), "containerName");
}
return container;
},
containerName,
new RetriableOperationExceptionHandler(AzureStorageExceptionHandler),
RetryCount));
}
catch (Exception e)
{
TraceSource.WriteExceptionAsError(
TraceType,
e,
"Failed to get container {0} from Azure storage.",
containerName);
throw;
}
}
public static BlobResultSegment GetBlobList(CloudBlobDirectory directory, bool useFlatBlobListing, BlobContinuationToken blobContinuationToken, int maxResults)
{
try
{
return(BackupRestoreUtility.PerformWithRetries <bool, BlobResultSegment>(
(bool flatBlobListing) =>
{
return directory.ListBlobsSegmented(flatBlobListing, BlobListingDetails.None, maxResults, blobContinuationToken, null, null);
},
useFlatBlobListing,
new RetriableOperationExceptionHandler(AzureStorageExceptionHandler),
RetryCount));
}
catch (Exception e)
{
TraceSource.WriteExceptionAsError(
TraceType,
e,
"Failed to list blobs under directory {0} from Azure storage.",
directory.Prefix);
throw;
}
}
public static CloudBlockBlob GetCloudBlockBlobRef(CloudBlobContainer container, string blockBlobPath)
{
try
{
return(BackupRestoreUtility.PerformWithRetries <string, CloudBlockBlob>(
(string blobPath) =>
{
return container.GetBlockBlobReference(blobPath);
},
blockBlobPath,
new RetriableOperationExceptionHandler(AzureStorageExceptionHandler),
RetryCount));
}
catch (Exception e)
{
TraceSource.WriteExceptionAsError(
TraceType,
e,
"Failed to get block blob reference {0} from Azure storage container.",
blockBlobPath);
throw;
}
}
public static IEnumerable <IListBlobItem> GetBlobList(CloudBlobDirectory directory, bool useFlatBlobListing)
{
try
{
return(BackupRestoreUtility.PerformWithRetries <bool, IEnumerable <IListBlobItem> >(
(bool flatBlobListing) =>
{
return directory.ListBlobs(flatBlobListing);
},
useFlatBlobListing,
new RetriableOperationExceptionHandler(AzureStorageExceptionHandler),
RetryCount));
}
catch (Exception e)
{
TraceSource.WriteExceptionAsError(
TraceType,
e,
"Failed to list blobs under directory {0} from Azure storage.",
directory.Prefix);
throw;
}
}
public static CloudBlobDirectory GetCloudBlobDirectoryRef(CloudBlobContainer container, string directoryPath)
{
try
{
return(BackupRestoreUtility.PerformWithRetries <string, CloudBlobDirectory>(
(string relDirName) =>
{
return container.GetDirectoryReference(relDirName);
},
directoryPath,
new RetriableOperationExceptionHandler(AzureStorageExceptionHandler),
RetryCount));
}
catch (Exception e)
{
TraceSource.WriteExceptionAsError(
TraceType,
e,
"Failed to get directory reference {0} from Azure storage.",
directoryPath);
throw;
}
}
