private void DoDelete(Microsoft.WindowsAzure.Storage.Blob.DeleteSnapshotsOption deleteSnapshotsOption = DeleteSnapshotsOption.None, Microsoft.WindowsAzure.Storage.AccessCondition accessCondition = null, Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions options = null, Microsoft.WindowsAzure.Storage.OperationContext operationContext = null) { bool done = false; while (!done) { using (PrimaryCloudBlobLease lease = new PrimaryCloudBlobLease(this.Name, configuration, true)) { if (lease.HasLease) { Dictionary <ICloudBlob, IAsyncResult> results = new Dictionary <ICloudBlob, IAsyncResult>(); foreach (string serverName in configuration.PrimaryServers) { watch.Start(); ICloudBlob blob = ClientRegistry.GetCloudBlob(serverName, configuration.Name, Name); results[blob] = blob.BeginDelete(deleteSnapshotsOption, lease.getAccessConditionWithLeaseId(accessCondition), options, operationContext, null, null); ServerState ss = slaEngine.Monitor.GetServerState(serverName); ss.AddRtt(watch.ElapsedMilliseconds); slaEngine.Session.RecordObjectWritten(Name, Timestamp(blob), ss); } foreach (ICloudBlob blob in results.Keys) { blob.EndDelete(results[blob]); } done = true; } } } }
private void MultiWriteUsingBlobLease(WriteOp op) { // TODO: recover from failed clients that may leave a write partially completed // TODO: remove use of leases and replace with ETags // throw new Exception("Write to multiple primaries not yet implemented."); try { bool done = false; while (!done) { // grab lease on blob to guard against concurrent writers using (PrimaryCloudBlobLease lease = new PrimaryCloudBlobLease(blobName, configuration, true)) { if (lease.HasLease) { // TODO: fix code for writing to multiple primaries (and remove it from here) foreach (string server in configuration.PrimaryServers) { watch.Start(); ICloudBlob blob = ClientRegistry.GetCloudBlob(server, configuration.Name, blobName, false); op(blob); watch.Stop(); ServerState ss = slaEngine.Monitor.GetServerState(server); ss.AddRtt(watch.ElapsedMilliseconds); slaEngine.Session.RecordObjectWritten(blobName, Timestamp(blob), ss); } done = true; } } } } catch (StorageException se) { throw se; } catch (Exception ex) { throw ex; } }
private void DoUploadFromStream(System.IO.Stream source, Microsoft.WindowsAzure.Storage.AccessCondition accessCondition = null, Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions options = null, Microsoft.WindowsAzure.Storage.OperationContext operationContext = null) { try { bool done = false; while (!done) { using (PrimaryCloudBlobLease lease = new PrimaryCloudBlobLease(Name, configuration, true)) { if (lease.HasLease) { foreach (string server in configuration.PrimaryServers) { watch.Start(); ICloudBlob blob = ClientRegistry.GetCloudBlob(server, configuration.Name, Name, false); source.Position = 0; blob.UploadFromStream(source, lease.getAccessConditionWithLeaseId(accessCondition), options, operationContext); watch.Stop(); ServerState ss = slaEngine.Monitor.GetServerState(server); ss.AddRtt(watch.ElapsedMilliseconds); slaEngine.Session.RecordObjectWritten(Name, Timestamp(blob), ss); } done = true; } } } } catch (StorageException se) { throw se; } catch (Exception ex) { throw ex; } }