Exemplo n.º 1
0
        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);
                    }
                }
            }
        }
Exemplo n.º 2
0
        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();
            }
        }