protected int SaveBufferToFile(FileStream outputFile, int bytesLeft, bool bFileOpen = true)
{
int bytesToWrite = Math.Min(bytesLeft, m_xmlStream.getBytesInBuffer() - m_xmlStream.getBufferOffset());
//for convenience, this function may be called even if the file wasn't correctly opened
if (bFileOpen)
{
outputFile.Write(m_xmlStream.getBuffer(), m_xmlStream.getBufferOffset(), bytesToWrite);
}
m_xmlStream.addProcessedBytes(bytesToWrite);// m_bufferOffset += bytesToWrite;
return(bytesToWrite);
}
public void CheckCancellationRequests()
{
try
{
if (!m_netStream.DataAvailable)
{
return;
}
XMLStream inputXMLStream = new XMLStream();
var bytes = m_netStream.Read(inputXMLStream.getBuffer(), inputXMLStream.getBufferOffset(),
inputXMLStream.getBufferSize() - inputXMLStream.getBufferOffset());
inputXMLStream.addBytesRead(bytes);
//we let the xmlstream object know that some bytes have been read in its buffer
string xmlItem = inputXMLStream.peekNextXMLItem();
if (xmlItem != "")
{
string xmlItemContent = inputXMLStream.getLastXMLItemContent();
if (xmlItemContent == JobTransmitter.m_quitMessage)
{
inputXMLStream.addProcessedBytes(bytes);
inputXMLStream.discardProcessedData();
LogMessage("Stopping job execution");
m_cancelTokenSource.Cancel();
}
}
}
catch (IOException)
{
LogMessage("IOException in CheckCancellationRequests()");
}
catch (OperationCanceledException)
{
LogMessage("Thread finished gracefully");
}
catch (ObjectDisposedException)
{
LogMessage("Network stream closed: async read finished");
}
catch (InvalidOperationException ex)
{
LogMessage("InvalidOperationException in CheckCancellationRequests");
LogMessage(ex.ToString());
}
catch (Exception ex)
{
LogMessage("Unhandled exception in CheckCancellationRequests");
LogMessage(ex.ToString());
}
}