// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
response.Close();
state.StatusDescription = response.StatusDescription;
// Signal the main application thread that
// the operation is complete.
state.OperationComplete.Set();
state.Request.GetResponse();
Ctrl.Invoke(new Action(delegate
{
if (UploadCompleted != null)
{
UploadCompleted.Invoke(this, EventArgs.Empty);
}
}));
}
// Return exceptions to the main application thread.
catch (Exception e)
{
if (UploadError != null)
{
ThreadExceptionEventArgs arg = new ThreadExceptionEventArgs(e);
UploadError.Invoke(this, arg);
}
}
}
private void OnUploadError(UploadOperation e, ICompletedUpload upload, Exception ex)
{
UploadError?.Invoke(this, new TransferOperationErrorEventArgs(
e.Guid,
upload.Name,
upload.ContentType,
ex));
}
private void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
FileStream stream = File.OpenRead(state.FileName);
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
Ctrl.Invoke(new Action(delegate()
{
if (ProgressChanged != null)
{
ProgressChanged.Invoke(this, new ProgressEventArgs(stream.Length, count, readBytes));
}
}));
}while (readBytes != 0);
stream.Close();
Console.WriteLine("Writing {0} bytes to the stream.", count);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
if (UploadError != null)
{
ThreadExceptionEventArgs arg = new ThreadExceptionEventArgs(e);
UploadError.Invoke(this, arg);
}
}
}
public async Task <UploadStatus> Upload(string[] logLines, UploadMetaData data)
{
var result = LogValidator.Validate(logLines);
if (!result.IsValid)
{
UploadError?.Invoke(new UploadErrorEventArgs(0, data, result.Reason));
return(new UploadStatus(new InvalidLogException(result.Reason)));
}
var log = string.Join(Environment.NewLine, logLines);
var item = new UploaderItem(log.GetHashCode());
if (_inProgress.Contains(item))
{
Log.Debug($"{item.Hash} already in progress. Waiting for it to complete...");
_inProgress.Add(item);
return(await item.Status);
}
_inProgress.Add(item);
Log.Debug($"Uploading {item.Hash}...");
UploadStatus status;
UploadInitiated?.Invoke(new UploadStatusChangedEventArgs(item.Hash, data));
try
{
status = await TryUpload(logLines, data);
}
catch (Exception ex)
{
Log.Error(ex);
status = new UploadStatus(ex);
}
Log.Debug($"{item.Hash} complete. Success={status.Success}");
UploadComplete?.Invoke(new UploadCompleteEventArgs(item.Hash, data, status));
foreach (var waiting in _inProgress.Where(x => x.Hash == item.Hash))
{
waiting.Complete(status);
}
_inProgress.RemoveAll(x => x.Hash == item.Hash);
return(status);
}
private bool ProcessResult(Task <Tuple <string, MyFile> > task)
{
bool success = false;
Tuple <string, MyFile> result = task.Result;
if (string.IsNullOrEmpty(result.Item1))
{
result.Item2.Status = MyFile.CompletionStatus.Complete;
FileUploadComplete?.Invoke(this, result.Item2);
success = true;
}
else
{
result.Item2.Status = MyFile.CompletionStatus.Error;
UploadError?.Invoke(this, result.Item1);
}
return(success);
}
private void OnUploadError(UploadErrorEventArgs e)
{
UploadError?.Invoke(this, e);
}