internal void RunDTPStream(int timeout, DTPStream stream)
{
CheckDisposed();
//------------------------------------------
//Validate input
DTPStreamType dtpType = ValidateInputStream(stream);
//-------------------------------------------
//Allocate data buffer
_wholeTransfered = 0;
if (null == _workBuffer)
{
_workBuffer = new byte[_bufferSize];
}
//--------------------------------------------
//Prevent simultaneous usage
SetProgress(true);
_manuallyClosed = false;
try
{
SetTimeout(timeout);
if (DTPStreamType.ForWriting == dtpType)
{
RunDownloadingStream(stream);
}
else //if(DTPStreamType.ForReading == dtpType)
{
RunUploadingStream(stream);
}
}
catch (SocketException e)
{
if (_aborted)
{
throw new FtpAbortedException();
}
CheckDisposed();
CheckTimeoutException(e);
throw;
}
catch
{
if (_aborted)
{
throw new FtpAbortedException();
}
CheckDisposed();
throw;
//string msg = "Data transfering was unexpectedly interrupted.";
//throw new FtpIOException(msg, e);
}
finally
{
Dispose();
SetProgress(false);
}
}
internal DTPStreamCommon(Stream stream,
DTPStreamType type,
long maxData)
{
_stream = stream;
_type = type;
if (maxData > 0)
{
_available = maxData;
}
}
DTPStreamType ValidateInputStream(DTPStream stream)
{
//------------------------------------------
//Validate input
if (null == stream)
{
throw new ArgumentNullException("steam", "The value cannot be null.");
}
DTPStreamType dtpType = stream.Type;
if ((DTPStreamType.ForWriting != dtpType) &&
(DTPStreamType.ForReading != dtpType))
{
string msg = string.Format("Unknown DTP type ({0})", stream.Type.ToString());
NSTrace.WriteLineError(msg);
throw new ArgumentException(msg, "type");
}
return(dtpType);
}
internal DTPStreamCommon(Stream stream, DTPStreamType type)
{
_stream = stream;
_type = type;
}
internal IAsyncResult BeginRunDTPStream(int timeout, DTPStream stream, AsyncCallback cb, object state)
{
CheckDisposed();
//------------------------------------------
//Validate input
DTPStreamType dtpType = ValidateInputStream(stream);
//-------------------------------------------
//Allocate data buffer
_wholeTransfered = 0;
if (null == _workBuffer)
{
_workBuffer = new byte[_bufferSize];
}
//--------------------------------------------
//Prevent simultaneous usage
SetProgress(true);
RunDTPStateObjectStream stateObj = null;
_manuallyClosed = false;
try
{
SetTimeout(timeout);
if (DTPStreamType.ForWriting == dtpType)
{
stateObj = new RunDTPStateObjectStream(true, cb, state);
BeginRunDownloadingStream(stream,
new AsyncCallback(this.DTPFinishedStream),
stateObj);
}
else //if(DTPStreamType.ForReading == stream.Type)
{
stateObj = new RunDTPStateObjectStream(false, cb, state);
BeginRunUploadingStream(stream,
new AsyncCallback(this.DTPFinishedStream),
stateObj);
}
}
catch (SocketException e)
{
SetProgress(false);
if (_aborted)
{
throw new FtpAbortedException();
}
CheckDisposed();
CheckTimeoutException(e);
throw;
}
catch
{
SetProgress(false);
if (_aborted)
{
throw new FtpAbortedException();
}
CheckDisposed();
throw;
}
return(stateObj);
}
