本文整理汇总了C#中ICloudBlob.UploadFromStreamAsync方法的典型用法代码示例。如果您正苦于以下问题:C# ICloudBlob.UploadFromStreamAsync方法的具体用法?C# ICloudBlob.UploadFromStreamAsync怎么用?C# ICloudBlob.UploadFromStreamAsync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.UploadFromStreamAsync方法的8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: Write
public async Task Write(ICloudBlob blob, string content)
{
using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(content)))
{
await blob.UploadFromStreamAsync(stream);
}
}
示例2: UploadTextAsync
public static async Task UploadTextAsync(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())
{
await stream.WriteAsync(textAsBytes, 0, textAsBytes.Length);
if (blob.BlobType == BlobType.PageBlob)
{
int lastPageSize = (int)(stream.Length % 512);
if (lastPageSize != 0)
{
byte[] padding = new byte[512 - lastPageSize];
await stream.WriteAsync(padding, 0, padding.Length);
}
}
stream.Seek(0, SeekOrigin.Begin);
await blob.UploadFromStreamAsync(stream.AsInputStream(), accessCondition, options, operationContext);
}
}
示例3: DoDownloadRangeToByteArrayNegativeTestsAsync
private async Task DoDownloadRangeToByteArrayNegativeTestsAsync(ICloudBlob blob)
{
int blobLength = 1024;
int resultBufSize = 1024;
byte[] buffer = GetRandomBuffer(blobLength);
byte[] resultBuffer = new byte[resultBufSize];
using (MemoryStream stream = new MemoryStream(buffer))
{
await blob.UploadFromStreamAsync(stream);
OperationContext context = new OperationContext();
await TestHelper.ExpectedExceptionAsync(async () => await blob.DownloadRangeToByteArrayAsync(resultBuffer, 0, 1024, 1, null, null, context), context, "Try invalid length", HttpStatusCode.RequestedRangeNotSatisfiable);
StorageException ex = await TestHelper.ExpectedExceptionAsync<StorageException>(async () => await blob.DownloadToByteArrayAsync(resultBuffer, 1024), "Provide invalid offset");
Assert.IsInstanceOfType(ex.InnerException, typeof(NotSupportedException));
ex = await TestHelper.ExpectedExceptionAsync<StorageException>(async () => await blob.DownloadRangeToByteArrayAsync(resultBuffer, 1023, 0, 2), "Should fail when offset + length required is greater than size of the buffer");
Assert.IsInstanceOfType(ex.InnerException, typeof(NotSupportedException));
ex = await TestHelper.ExpectedExceptionAsync<StorageException>(async () => await blob.DownloadRangeToByteArrayAsync(resultBuffer, 0, 0, -10), "Fail when a negative length is specified");
Assert.IsInstanceOfType(ex.InnerException, typeof(ArgumentOutOfRangeException));
await TestHelper.ExpectedExceptionAsync<ArgumentOutOfRangeException>(async () => await blob.DownloadRangeToByteArrayAsync(resultBuffer, -10, 0, 20), "Fail if a negative offset is provided");
ex = await TestHelper.ExpectedExceptionAsync<StorageException>(async () => await blob.DownloadRangeToByteArrayAsync(resultBuffer, 0, -10, 20), "Fail if a negative blob offset is provided");
Assert.IsInstanceOfType(ex.InnerException, typeof(ArgumentOutOfRangeException));
}
}
示例4: DoDownloadRangeToByteArrayAsyncTest
/// <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="isOverload">True when the overloaded method for DownloadRangeToByteArrayAsync is called. False when the basic method is called.</param>
private async Task DoDownloadRangeToByteArrayAsyncTest(ICloudBlob blob, int blobSize, int bufferSize, int bufferOffset, long? blobOffset, long? length, bool isOverload)
{
int downloadLength;
byte[] buffer = GetRandomBuffer(blobSize);
byte[] resultBuffer = new byte[bufferSize];
byte[] resultBuffer2 = new byte[bufferSize];
using (MemoryStream originalBlob = new MemoryStream(buffer))
{
if (!isOverload)
{
await blob.UploadFromStreamAsync(originalBlob);
downloadLength = await blob.DownloadRangeToByteArrayAsync(resultBuffer, bufferOffset, blobOffset, length);
}
else
{
await blob.UploadFromStreamAsync(originalBlob);
OperationContext context = new OperationContext();
downloadLength = await blob.DownloadRangeToByteArrayAsync(resultBuffer, bufferOffset, blobOffset, length, null, null, context);
}
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: DoDownloadToByteArrayAsyncTest
private async Task DoDownloadToByteArrayAsyncTest(ICloudBlob blob, int blobSize, int bufferSize, int bufferOffset, bool isOverload)
{
int downloadLength;
byte[] buffer = GetRandomBuffer(blobSize);
byte[] resultBuffer = new byte[bufferSize];
byte[] resultBuffer2 = new byte[bufferSize];
using (MemoryStream originalBlob = new MemoryStream(buffer))
{
if (!isOverload)
{
await blob.UploadFromStreamAsync(originalBlob);
downloadLength = await blob.DownloadToByteArrayAsync(resultBuffer, bufferOffset);
}
else
{
await blob.UploadFromStreamAsync(originalBlob);
OperationContext context = new OperationContext();
downloadLength = await blob.DownloadToByteArrayAsync(resultBuffer, bufferOffset, null, null, context);
}
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6: UploadTextTask
public static void UploadTextTask(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;
try
{
blob.UploadFromStreamAsync(stream, accessCondition, options, operationContext).Wait();
}
catch (AggregateException ex)
{
if (ex.InnerException != null)
{
throw ex.InnerException;
}
throw;
}
}
}
示例7: LockInternal
private async Task<Tuple<IDisposable, string>> LockInternal(ICloudBlob blob)
{
string leaseId;
try
{
leaseId = await blob.AcquireLeaseAsync(TimeSpan.FromMinutes(1), null).ConfigureAwait(false);
LeoTrace.WriteLine("Leased Blob: " + blob.Name);
}
catch (StorageException e)
{
// If we have a conflict this blob is already locked...
if (e.RequestInformation.HttpStatusCode == 409)
{
return null;
}
if (e.RequestInformation.HttpStatusCode == 404)
{
leaseId = null;
}
else
{
throw e.Wrap(blob.Name);
}
}
// May not have had a blob pushed...
if (leaseId == null)
{
try
{
using (var stream = new MemoryStream(new byte[1]))
{
try
{
await blob.UploadFromStreamAsync(stream).ConfigureAwait(false);
}
catch (StorageException) { } // Just eat storage exceptions at this point... something was created obviously
}
leaseId = await blob.AcquireLeaseAsync(TimeSpan.FromMinutes(1), null).ConfigureAwait(false);
LeoTrace.WriteLine("Created new blob and lease (2 calls): " + blob.Name);
}
catch (StorageException e)
{
// If we have a conflict this blob is already locked...
if (e.RequestInformation.HttpStatusCode == 409)
{
return null;
}
if (e.RequestInformation.HttpStatusCode == 404)
{
leaseId = null;
}
else
{
throw e.Wrap(blob.Name);
}
}
}
var condition = AccessCondition.GenerateLeaseCondition(leaseId);
// Every 30 secs keep the lock renewed
var keepAlive = AsyncEnumerableEx.CreateTimer(TimeSpan.FromSeconds(30))
.Select(t =>
{
LeoTrace.WriteLine("Renewed Lease: " + blob.Name);
return blob.RenewLeaseAsync(condition);
})
.Unwrap()
.TakeUntilDisposed(null, t =>
{
try
{
blob.ReleaseLease(condition);
}
catch (Exception e)
{
LeoTrace.WriteLine("Release failed: " + e.Message);
}
});
return Tuple.Create((IDisposable)keepAlive, leaseId);
}
示例8: UploadTextAsync
static async Task UploadTextAsync(ICloudBlob blob, string text, AccessCondition accessCondition)
{
blob.Properties.ContentEncoding = "UTF-8";
blob.Properties.ContentType = "text/plain";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(text))) {
await blob.UploadFromStreamAsync(stream, accessCondition, null, null);
}
}