private void setMetadata(UploadChunkState asyncState)
{
this.m_IsDone = true;
var _asyncOperation = asyncState.m_AsyncOp;
var _request = default(WebRequest);
try
{
_request = asyncState.m_Request = this.getWebRequest(Properties.Settings.Default.HTTP_PUT, "metadata");
_request.Headers[MsVersionHeader] = HeaderVersion;
var _meta = asyncState.m_Metadata.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
foreach (var item in _meta)
{
var _kvp = item.Split("=".ToCharArray());
var _k = _kvp[0];
var _v = _kvp[1];
if (_k.StartsWith("x-ms-meta-"))
_request.Headers[_k] = _v;
}
_request.BeginGetResponse(this.setMetadataResponse, asyncState);
}
catch (Exception exception)
{
if (((exception is ThreadAbortException) || (exception is StackOverflowException)) || (exception is OutOfMemoryException))
throw;
this.uploadFileCompleted(asyncState, string.Empty, false, null);
}
}
private void uploadFileCompleted(UploadChunkState asyncState, string result, bool cancelled, Exception exception)
{
asyncState.Close();
var _eventArgs = new UploadFileCompletedEventArgs(result, exception, cancelled, this.m_AsyncOperation.UserSuppliedState);
this.InvokeOperationCompeted(this.m_AsyncOperation, this.m_UploadOperationCompleted, _eventArgs);
}
private void sendCancel(UploadChunkState asyncState)
{
this.EndTimestamp = DateTime.Now;
// Nothing to cancel, so we just end.
this.uploadFileCompleted(asyncState, string.Empty, this.m_IsCancelled, asyncState.m_Exception);
}
private void sendComplete(UploadChunkState asyncState)
{
this.m_IsDone = true;
var _asyncOperation = asyncState.m_AsyncOp;
var _request = default(WebRequest);
try
{
this.EndTimestamp = DateTime.Now;
_request = asyncState.m_Request = this.getWebRequest(Properties.Settings.Default.HTTP_PUT, "blocklist");
_request.Headers[MsVersionHeader] = HeaderVersion;
_request.BeginGetRequestStream(this.sendCompleteRequest, asyncState);
}
catch (Exception exception)
{
if (((exception is ThreadAbortException) || (exception is StackOverflowException)) || (exception is OutOfMemoryException))
throw;
if (null != _request)
_request.Abort();
asyncState.m_Exception = exception;
this.sendCancel(asyncState);
}
}
private static void appendChunkRetry(UploadChunkState asyncState)
{
Console.WriteLine("Retry: " + asyncState.m_Progress.LastBytesSent);
asyncState.m_Progress.BytesSent -= asyncState.m_Progress.LastBytesSent;
asyncState.m_AzureClient.appendChunk(asyncState);
}
private void appendChunkReadCallback(string response, UploadChunkState asyncState)
{
var _ex = default(Exception);
this.processException(ref _ex, asyncState.m_Exception);
if (_ex != null)
{
asyncState.m_Exception = _ex;
this.sendCancel(asyncState);
}
else if (response == ServerResponses.AppendFileRetry.ToString())
{
if (this.m_IsCancelled)
{
asyncState.m_Exception = _ex;
this.sendCancel(asyncState);
}
else
{
appendChunkRetry(asyncState);
}
}
else if (this.m_ProgressData.BytesSent != this.m_ProgressData.TotalBytesToSend)
{
if (this.m_IsCancelled)
{
asyncState.m_Exception = _ex;
this.sendCancel(asyncState);
}
else
{
this.appendChunk(asyncState);
}
}
else
{
this.m_IsDone = true;
this.sendComplete(asyncState);
}
}
private void appendChunkWriteCallback(UploadChunkState asyncState)
{
var _ex = default(Exception);
this.processException(ref _ex, asyncState.m_Exception);
if (_ex != null)
{
asyncState.m_Exception = _ex;
this.sendCancel(asyncState);
}
else
{
try
{
m_WebRequest.BeginGetResponse(appendChunkGetResponse, asyncState);
}
catch (Exception ex2)
{
this.processException(ref _ex, ex2);
asyncState.m_Exception = _ex;
this.sendCancel(asyncState);
}
}
}
private void appendChunk(UploadChunkState asyncState)
{
var _asyncOperation = asyncState.m_AsyncOp;
try
{
if (this.m_IsCancelled)
{
this.sendCancel(asyncState);
return;
}
var _blockId = asyncState.GetNextBlockId();
var _len = asyncState.FillBuffer();
var _request = asyncState.m_Request = this.getWebRequest(Properties.Settings.Default.HTTP_PUT, _blockId);
_request.BeginGetRequestStream(UploadClientAzure.uploadChunkRequestCallback, asyncState);
}
catch (Exception exception)
{
if (((exception is ThreadAbortException) || (exception is StackOverflowException)) || (exception is OutOfMemoryException))
throw;
if (!(exception is WebException) && !(exception is SecurityException))
exception = new WebException(Properties.Settings.Default.UnknownError, exception);
asyncState.m_Exception = exception;
this.sendCancel(asyncState);
}
}
/// <summary>
/// Begins uploading the content.
/// </summary>
/// <param name="content">The stream to upload.</param>
/// <param name="fileName">The name of the file the stream is being uploaded to.</param>
/// <param name="metadata">Optional metadata string containing additional information to send with the file.</param>
/// <param name="autoCloseStream">True to close the provided content stream once the upload completes; otherwise false to leave open.</param>
/// <param name="userToken">Optional user state associated with this request.</param>
public void UploadStreamAsync(Stream content, string fileName, string metadata, bool autoCloseStream, object userToken = null)
{
if (null == content)
throw new ArgumentNullException("content");
if (!content.CanRead)
throw new ArgumentException("The provided content Stream is not readable.", "content");
if (!content.CanSeek)
throw new ArgumentException("The provided content Stream is not seekable.", "content");
if (content.Length < 1)
throw new ArgumentException("Content length is zero (0); nothing to send.", "content");
if (content.Length == content.Position)
throw new ArgumentException("Content position is at the end of the file; no bytes left to send.", "content");
if (string.IsNullOrWhiteSpace(fileName))
throw new ArgumentNullException("fileName");
this.initUploadClientState();
this.clearUploadClientState();
this.FileName = Path.GetFileName(fileName);
this.ContentLength = content.Length;
// Azure Uri
var _uriBuilder = new UriBuilder(m_ResolvedUri);
_uriBuilder.Path += string.Format(CultureInfo.InvariantCulture, "/{0}", this.FileName);
this.m_ResolvedUri = _uriBuilder.Uri;
this.m_AsyncOperation = AsyncOperationManager.CreateOperation(userToken);
try
{
if (!string.IsNullOrEmpty(metadata))
metadata = HttpUtility.HtmlEncode(metadata);
var _request = this.getWebRequest(Properties.Settings.Default.HTTP_HEAD, "metadata");
_request.Headers[MsVersionHeader] = HeaderVersion;
_request.Headers[ContentMD5] = Convert.ToBase64String(new System.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(content));
var _asyncState = new UploadChunkState(_request, content, fileName, metadata, autoCloseStream, this.appendChunkWriteCallback, this.appendChunkReadCallback, this.m_AsyncOperation, this.m_ProgressData, this);
_request.BeginGetResponse(this.sendFileCheckResponse, _asyncState);
}
catch (Exception exception)
{
if (((exception is ThreadAbortException) || (exception is StackOverflowException)) || (exception is OutOfMemoryException))
{
throw;
}
this.processException(ref exception, exception);
if (null != content)
content.Close();
var _eventArgs = new UploadFileCompletedEventArgs(null, exception, this.m_IsCancelled, this.m_AsyncOperation.UserSuppliedState);
this.InvokeOperationCompeted(this.m_AsyncOperation, this.m_UploadOperationCompleted, _eventArgs);
}
}
