private static void CreateForTest(CloudBlockBlob blob, int blockCount, int blockSize, bool isAsync, bool commit = true)
{
byte[] buffer = GetRandomBuffer(blockSize);
List<string> blocks = GetBlockIdList(blockCount);
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
foreach (string block in blocks)
{
using (MemoryStream stream = new MemoryStream(buffer))
{
if (isAsync)
{
IAsyncResult result = blob.BeginPutBlock(block, stream, null,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndPutBlock(result);
}
else
{
blob.PutBlock(block, stream, null);
}
}
}
if (commit)
{
if (isAsync)
{
IAsyncResult result = blob.BeginPutBlockList(blocks,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndPutBlockList(result);
}
else
{
blob.PutBlockList(blocks);
}
}
}
}
public void UseTransactionalMD5PutTestAPM()
{
BlobRequestOptions optionsWithNoMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = false,
};
BlobRequestOptions optionsWithMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = true,
};
byte[] buffer = GetRandomBuffer(1024);
MD5 hasher = MD5.Create();
string md5 = Convert.ToBase64String(hasher.ComputeHash(buffer));
string lastCheckMD5 = null;
int checkCount = 0;
OperationContext opContextWithMD5Check = new OperationContext();
opContextWithMD5Check.SendingRequest += (_, args) =>
{
if (args.Request.ContentLength >= buffer.Length)
{
lastCheckMD5 = args.Request.Headers[HttpRequestHeader.ContentMd5];
checkCount++;
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
IAsyncResult result;
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
List <string> blockIds = GetBlockIdList(3);
checkCount = 0;
using (Stream blockData = new MemoryStream(buffer))
{
result = blockBlob.BeginPutBlock(blockIds[0], blockData, null, null, optionsWithNoMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blockBlob.EndPutBlock(result);
Assert.IsNull(lastCheckMD5);
blockData.Seek(0, SeekOrigin.Begin);
result = blockBlob.BeginPutBlock(blockIds[1], blockData, null, null, optionsWithMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blockBlob.EndPutBlock(result);
Assert.AreEqual(md5, lastCheckMD5);
blockData.Seek(0, SeekOrigin.Begin);
result = blockBlob.BeginPutBlock(blockIds[2], blockData, md5, null, optionsWithNoMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blockBlob.EndPutBlock(result);
Assert.AreEqual(md5, lastCheckMD5);
}
Assert.AreEqual(3, checkCount);
CloudPageBlob pageBlob = container.GetPageBlobReference("blob2");
pageBlob.Create(buffer.Length);
checkCount = 0;
using (Stream pageData = new MemoryStream(buffer))
{
result = pageBlob.BeginWritePages(pageData, 0, null, null, optionsWithNoMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
pageBlob.EndWritePages(result);
Assert.IsNull(lastCheckMD5);
pageData.Seek(0, SeekOrigin.Begin);
result = pageBlob.BeginWritePages(pageData, 0, null, null, optionsWithMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
pageBlob.EndWritePages(result);
Assert.AreEqual(md5, lastCheckMD5);
pageData.Seek(0, SeekOrigin.Begin);
result = pageBlob.BeginWritePages(pageData, 0, md5, null, optionsWithNoMD5, opContextWithMD5Check,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
pageBlob.EndWritePages(result);
Assert.AreEqual(md5, lastCheckMD5);
}
Assert.AreEqual(3, checkCount);
}
}
finally
{
container.DeleteIfExists();
}
}