public static void UploadTextAPM(CloudBlob blob, string text, Encoding encoding, AccessCondition accessCondition = null, BlobRequestOptions options = null, OperationContext operationContext = null) { byte[] textAsBytes = encoding.GetBytes(text); using (MemoryStream stream = new MemoryStream()) { stream.Write(textAsBytes, 0, textAsBytes.Length); if (blob.BlobType == BlobType.PageBlob) { int lastPageSize = (int)(stream.Length % 512); if (lastPageSize != 0) { byte[] padding = new byte[512 - lastPageSize]; stream.Write(padding, 0, padding.Length); } } stream.Seek(0, SeekOrigin.Begin); blob.ServiceClient.DefaultRequestOptions.ParallelOperationThreadCount = 2; using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { if (blob.BlobType == BlobType.AppendBlob) { CloudAppendBlob blob1 = blob as CloudAppendBlob; IAsyncResult result = blob1.BeginCreateOrReplace( ar => waitHandle.Set(), null); waitHandle.WaitOne(); blob1.EndCreateOrReplace(result); result = blob1.BeginAppendBlock(stream, null, ar => waitHandle.Set(), null); waitHandle.WaitOne(); blob1.EndAppendBlock(result); } else if (blob.BlobType == BlobType.PageBlob) { CloudPageBlob pageBlob = blob as CloudPageBlob; IAsyncResult result = pageBlob.BeginUploadFromStream(stream, accessCondition, options, operationContext, ar => waitHandle.Set(), null); waitHandle.WaitOne(); pageBlob.EndUploadFromStream(result); } else { CloudBlockBlob blockBlob = blob as CloudBlockBlob; IAsyncResult result = blockBlob.BeginUploadFromStream(stream, accessCondition, options, operationContext, ar => waitHandle.Set(), null); waitHandle.WaitOne(); blockBlob.EndUploadFromStream(result); } } } }
public void CloudBlobSnapshotAPM() { CloudBlobContainer container = GetRandomContainerReference(); try { container.Create(); MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024)); CloudAppendBlob appendBlob = container.GetAppendBlobReference(BlobName); appendBlob.CreateOrReplace(); appendBlob.AppendBlock(originalData, null); CloudBlob blob = container.GetBlobReference(BlobName); blob.FetchAttributes(); IAsyncResult result; using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { result = blob.BeginSnapshot(ar => waitHandle.Set(), null); waitHandle.WaitOne(); CloudBlob snapshot1 = blob.EndSnapshot(result); Assert.AreEqual(blob.Properties.ETag, snapshot1.Properties.ETag); Assert.AreEqual(blob.Properties.LastModified, snapshot1.Properties.LastModified); Assert.IsTrue(snapshot1.IsSnapshot); Assert.IsNotNull(snapshot1.SnapshotTime, "Snapshot does not have SnapshotTime set"); Assert.AreEqual(blob.Uri, snapshot1.Uri); Assert.AreNotEqual(blob.SnapshotQualifiedUri, snapshot1.SnapshotQualifiedUri); Assert.AreNotEqual(snapshot1.Uri, snapshot1.SnapshotQualifiedUri); Assert.IsTrue(snapshot1.SnapshotQualifiedUri.Query.Contains("snapshot")); result = blob.BeginSnapshot(ar => waitHandle.Set(), null); waitHandle.WaitOne(); CloudBlob snapshot2 = blob.EndSnapshot(result); Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value); snapshot1.FetchAttributes(); snapshot2.FetchAttributes(); blob.FetchAttributes(); AssertAreEqual(snapshot1.Properties, blob.Properties); CloudBlob snapshotCopy = container.GetBlobReference("blob2"); result = snapshotCopy.BeginStartCopy(snapshot1.Uri, null, null, null, null, ar => waitHandle.Set(), null); waitHandle.WaitOne(); snapshotCopy.EndStartCopy(result); WaitForCopy(snapshotCopy); Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status); result = snapshot1.BeginOpenRead(ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream snapshotStream = snapshot1.EndOpenRead(result)) { snapshotStream.Seek(0, SeekOrigin.End); TestHelper.AssertStreamsAreEqual(originalData, snapshotStream); } result = appendBlob.BeginCreateOrReplace(ar => waitHandle.Set(), null); waitHandle.WaitOne(); appendBlob.EndCreateOrReplace(result); result = blob.BeginFetchAttributes(ar => waitHandle.Set(), null); waitHandle.WaitOne(); blob.EndFetchAttributes(result); result = snapshot1.BeginOpenRead(ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream snapshotStream = snapshot1.EndOpenRead(result)) { snapshotStream.Seek(0, SeekOrigin.End); TestHelper.AssertStreamsAreEqual(originalData, snapshotStream); } List <IListBlobItem> blobs = container.ListBlobs(null, true, BlobListingDetails.All, null, null).ToList(); Assert.AreEqual(4, blobs.Count); AssertAreEqual(snapshot1, (CloudBlob)blobs[0]); AssertAreEqual(snapshot2, (CloudBlob)blobs[1]); AssertAreEqual(blob, (CloudBlob)blobs[2]); AssertAreEqual(snapshotCopy, (CloudBlob)blobs[3]); } } finally { container.DeleteIfExists(); } }