本文整理汇总了C#中ICloudBlob.BeginUploadFromStream方法的典型用法代码示例。如果您正苦于以下问题:C# ICloudBlob.BeginUploadFromStream方法的具体用法?C# ICloudBlob.BeginUploadFromStream怎么用?C# ICloudBlob.BeginUploadFromStream使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ICloudBlob
的用法示例。
在下文中一共展示了ICloudBlob.BeginUploadFromStream方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: UploadTextAPM
public static void UploadTextAPM(ICloudBlob 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.ParallelOperationThreadCount = 2;
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
IAsyncResult result = blob.BeginUploadFromStream(stream, accessCondition, options, operationContext,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
}
}
}
示例2: DoDownloadToByteArrayTest
/// <summary>
/// Single put blob and get blob
/// </summary>
/// <param name="blobSize">The blob size.</param>
/// <param name="bufferOffset">The blob offset.</param>
/// <param name="option"> 0 - Sunc, 1 - APM and 2 - APM overload.</param>
private void DoDownloadToByteArrayTest(ICloudBlob blob, int blobSize, int bufferSize, int bufferOffset, int option)
{
int downloadLength;
byte[] buffer = GetRandomBuffer(blobSize);
byte[] resultBuffer = new byte[bufferSize];
byte[] resultBuffer2 = new byte[bufferSize];
using (MemoryStream originalBlob = new MemoryStream(buffer))
{
if (option == 0)
{
blob.UploadFromStream(originalBlob);
downloadLength = blob.DownloadToByteArray(resultBuffer, bufferOffset);
}
else if (option == 1)
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
ICancellableAsyncResult result = blob.BeginUploadFromStream(originalBlob,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
result = blob.BeginDownloadToByteArray(resultBuffer,
bufferOffset,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
downloadLength = blob.EndDownloadToByteArray(result);
}
}
else
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
ICancellableAsyncResult result = blob.BeginUploadFromStream(originalBlob,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
OperationContext context = new OperationContext();
result = blob.BeginDownloadToByteArray(resultBuffer,
bufferOffset, /* offset */
null, /* accessCondition */
null, /* options */
context, /* operationContext */
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
downloadLength = blob.EndDownloadToByteArray(result);
}
}
int downloadSize = Math.Min(blobSize, bufferSize - bufferOffset);
Assert.AreEqual(downloadSize, downloadLength);
for (int i = 0; i < blob.Properties.Length; i++)
{
Assert.AreEqual(buffer[i], resultBuffer[bufferOffset + i]);
}
for (int j = 0; j < bufferOffset; j++)
{
Assert.AreEqual(0, resultBuffer2[j]);
}
if (bufferOffset + blobSize < bufferSize)
{
for (int k = bufferOffset + blobSize; k < bufferSize; k++)
{
Assert.AreEqual(0, resultBuffer2[k]);
}
}
}
}
示例3: BlobReadStreamReadSizeTestAPM
private void BlobReadStreamReadSizeTestAPM(ICloudBlob blob)
{
IAsyncResult result;
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
byte[] buffer = GetRandomBuffer(5 * 1024 * 1024);
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
result = blob.BeginUploadFromStream(wholeBlob,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
}
TestHelper.ExpectedException<ArgumentOutOfRangeException>(
() => blob.StreamMinimumReadSizeInBytes = 16 * 1024 - 1,
"StreamMinimumReadSizeInBytes should not accept values smaller than 16KB");
blob.StreamMinimumReadSizeInBytes = 4 * 1024 * 1024 + 1;
BlobRequestOptions options = new BlobRequestOptions() { UseTransactionalMD5 = true };
result = blob.BeginOpenRead(null, options, null,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
TestHelper.ExpectedException<ArgumentOutOfRangeException>(
() => blob.EndOpenRead(result),
"StreamMinimumReadSizeInBytes should be smaller than 4MB if UseTransactionalMD5 is true");
string range = null;
OperationContext context = new OperationContext();
context.SendingRequest += (sender, e) => range = range ?? e.Request.Headers["x-ms-range"];
blob.StreamMinimumReadSizeInBytes = 4 * 1024 * 1024;
result = blob.BeginOpenRead(null, options, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
using (Stream blobStream = blob.EndOpenRead(result))
{
blobStream.ReadByte();
Assert.AreEqual("bytes=0-" + (blob.StreamMinimumReadSizeInBytes - 1).ToString(), range);
range = null;
}
blob.StreamMinimumReadSizeInBytes = 6 * 1024 * 1024;
options.UseTransactionalMD5 = false;
result = blob.BeginOpenRead(null, options, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
using (Stream blobStream = blob.EndOpenRead(result))
{
blobStream.ReadByte();
Assert.AreEqual("bytes=0-" + (buffer.Length - 1).ToString(), range);
range = null;
}
blob.StreamMinimumReadSizeInBytes = 16 * 1024;
result = blob.BeginOpenRead(null, options, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
using (Stream blobStream = blob.EndOpenRead(result))
{
blobStream.ReadByte();
Assert.AreEqual("bytes=0-" + (blob.StreamMinimumReadSizeInBytes - 1).ToString(), range);
range = null;
}
}
}
示例4: DoDownloadRangeToByteArray
/// <summary>
/// Single put blob and get blob
/// </summary>
/// <param name="blobSize">The blob size.</param>
/// <param name="bufferSize">The output buffer size.</param>
/// <param name="bufferOffset">The output buffer offset.</param>
/// <param name="blobOffset">The blob offset.</param>
/// <param name="length">Length of the data range to download.</param>
/// <param name="option">0 - Sync, 1 - APM and 2 - APM overload.</param>
private void DoDownloadRangeToByteArray(ICloudBlob blob, int blobSize, int bufferSize, int bufferOffset, long? blobOffset, long? length, int option)
{
int downloadLength;
byte[] buffer = GetRandomBuffer(blobSize);
byte[] resultBuffer = new byte[bufferSize];
byte[] resultBuffer2 = new byte[bufferSize];
using (MemoryStream originalBlob = new MemoryStream(buffer))
{
if (option == 0)
{
blob.UploadFromStream(originalBlob);
downloadLength = blob.DownloadRangeToByteArray(resultBuffer, bufferOffset, blobOffset, length);
}
else if (option == 1)
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
ICancellableAsyncResult result = blob.BeginUploadFromStream(originalBlob,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
result = blob.BeginDownloadRangeToByteArray(resultBuffer,
bufferOffset,
blobOffset,
length,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
downloadLength = blob.EndDownloadRangeToByteArray(result);
}
}
else
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
ICancellableAsyncResult result = blob.BeginUploadFromStream(originalBlob,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromStream(result);
OperationContext context = new OperationContext();
result = blob.BeginDownloadRangeToByteArray(resultBuffer,
bufferOffset,
blobOffset,
length,
null,
null,
context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
downloadLength = blob.EndDownloadRangeToByteArray(result);
}
}
int downloadSize = Math.Min(blobSize - (int)(blobOffset.HasValue ? blobOffset.Value : 0), bufferSize - bufferOffset);
if (length.HasValue && (length.Value < downloadSize))
{
downloadSize = (int)length.Value;
}
Assert.AreEqual(downloadSize, downloadLength);
for (int i = 0; i < bufferOffset; i++)
{
Assert.AreEqual(0, resultBuffer[i]);
}
for (int j = 0; j < downloadLength; j++)
{
Assert.AreEqual(buffer[(blobOffset.HasValue ? blobOffset.Value : 0) + j], resultBuffer[bufferOffset + j]);
}
for (int k = bufferOffset + downloadLength; k < bufferSize; k++)
{
Assert.AreEqual(0, resultBuffer[k]);
}
}
}
示例5: UploadBlobAsync
public void UploadBlobAsync(ICloudBlob blob, string LocalFile)
{
// The class currently stores state in class level variables so calling UploadBlobAsync or DownloadBlobAsync a second time will cause problems.
// A better long term solution would be to better encapsulate the state, but the current solution works for the needs of my primary client.
// Throw an exception if UploadBlobAsync or DownloadBlobAsync has already been called.
lock (WorkingLock)
{
if (!Working)
Working = true;
else
throw new Exception("BlobTransfer already initiated. Create new BlobTransfer object to initiate a new file transfer.");
}
// Attempt to open the file first so that we throw an exception before getting into the async work
using (FileStream fstemp = new FileStream(LocalFile, FileMode.Open, FileAccess.Read)) { }
// Create an async op in order to raise the events back to the client on the correct thread.
asyncOp = AsyncOperationManager.CreateOperation(blob);
TransferType = TransferTypeEnum.Upload;
m_Blob = blob;
m_FileName = LocalFile;
var file = new FileInfo(m_FileName);
long fileSize = file.Length;
FileStream fs = new FileStream(m_FileName, FileMode.Open, FileAccess.Read, FileShare.Read);
ProgressStream pstream = new ProgressStream(fs);
pstream.ProgressChanged += pstream_ProgressChanged;
pstream.SetLength(fileSize);
m_Blob.ServiceClient.ParallelOperationThreadCount = 10;
asyncresult = m_Blob.BeginUploadFromStream(pstream, BlobTransferCompletedCallback, new BlobTransferAsyncState(m_Blob, pstream));
}