/// <summary>Launch the custom data source</summary>
private void LogCustomDataSource(ICustomLogDataSource src, LogDataSourceRunData launch)
{
BufferedCustomDataSource buffered_src = null;
try
{
// Close any currently open file
// Strictly, we don't have to close because OpenLogFile closes before opening
// however if the user reopens the same process the existing process will hold
// a lock to the capture file preventing the new process being created.
Src = null;
// Set options so that data always shows
PrepareForStreamedData(launch.OutputFilepath);
// Launch the process with standard output/error redirected to the temporary file
buffered_src = new BufferedCustomDataSource(src, launch);
// Give some UI feedback when the data source ends
buffered_src.ConnectionDropped += (s, a) =>
{
this.BeginInvoke(() => SetStaticStatusMessage(string.Format("{0} stopped", src.ShortName), Color.Black, Color.LightSalmon));
};
// Attach the optional selection changed handler
if (launch.HandleSelectionChanged != null)
{
SelectionChanged += (s, a) => launch.HandleSelectionChanged(a.Rows);
}
// Open the capture file created by buffered_src
OpenSingleLogFile(buffered_src.Filepath, !buffered_src.TmpFile);
buffered_src.Start();
SetStaticStatusMessage("Connected", Color.Black, Color.LightGreen);
// Pass over the ref
if (m_buffered_custom_source != null)
{
m_buffered_custom_source.Dispose();
}
m_buffered_custom_source = buffered_src;
buffered_src = null;
}
catch (Exception ex)
{
Log.Write(ELogLevel.Error, ex, $"Custom data source failed: {src.ShortName} -> {launch.OutputFilepath}");
Misc.ShowMessage(this, $"Failed to launch {src.ShortName}.", "Data Source Failed", MessageBoxIcon.Error, ex);
}
finally
{
if (buffered_src != null)
{
buffered_src.Dispose();
}
}
}
public BufferedCustomDataSource(ICustomLogDataSource src, LogDataSourceRunData launch)
: base(launch.OutputFilepath, launch.AppendOutputFile)
{
m_src = src;
m_buf = new byte[BufBlockSize];
}