IAsyncResult BeginRunDownloadingStream(DTPStream userStream, AsyncCallback cb, object state)
{
TransStateObjectStream stateObj =
new TransStateObjectStream(userStream, cb, state);
DataStream.BeginRead(_workBuffer,
0,
_workBuffer.Length,
new AsyncCallback(this.DataStreamRead_End),
stateObj);
return(stateObj);
}
void UserStreamWrite_End(IAsyncResult ar)
{
TransStateObjectStream stateObj = (TransStateObjectStream)ar.AsyncState;
try
{
stateObj.UpdateContext();
DTPStream userStream = (DTPStream)stateObj.UserStream;
userStream.EndWrite(ar);
if (_aborted)
{
throw new FtpAbortedException();
}
if (userStream.AvailableSpace > 0)
{
DataStream.BeginRead(_workBuffer,
0,
_workBuffer.Length,
new AsyncCallback(this.DataStreamRead_End),
stateObj);
}
else
{
_manuallyClosed = true;
userStream.Flush();
OnCompleted();
stateObj.SetCompleted();
}
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
catch
{
NSTrace.WriteLineError("Non-CLS exception at: " + Environment.StackTrace);
throw;
}
}
private void onFlushed()
{
_data.BeginRead(_client.Buffer.Storage, onDataAvailable);
}