private void RawDispatch(TraceEventNativeMethods.EVENT_RECORD *rawData)
{
if (stopProcessing)
{
return;
}
if (lockObj != null)
{
Monitor.Enter(lockObj);
}
Debug.Assert(rawData->EventHeader.HeaderType == 0); // if non-zero probably old-style ETW header
TraceEvent anEvent = Lookup(rawData);
#if DEBUG
anEvent.DisallowEventIndexAccess = DisallowEventIndexAccess;
#endif
// Keep in mind that for UnhandledTraceEvent 'PrepForCallback' has NOT been called, which means the
// opcode, guid and eventIds are not correct at this point. The ToString() routine WILL call
// this so if that is in your debug window, it will have this side effect (which is good and bad)
// Looking at rawData will give you the truth however.
anEvent.DebugValidate();
if (anEvent.NeedsFixup)
{
anEvent.FixupData();
}
Dispatch(anEvent);
if (lockObj != null)
{
Monitor.Exit(lockObj);
}
}
public void OnEvent(ITraceEvent eventData, CTraceRelogger relogger)
{
var rawData = (TraceEventNativeMethods.EVENT_RECORD *)eventData.GetEventRecord();
var source = m_source;
if (source.stopProcessing)
{
return;
}
// is this the very first event? if so this could be the header event (for real time ETW)
if (m_source._syncTimeQPC == 0)
{
Initialize(rawData);
}
Debug.Assert(rawData->EventHeader.HeaderType == 0); // if non-zero probably old-style ETW header
// Give it an event ID if it does not have one.
source.m_traceLoggingEventId.TestForTraceLoggingEventAndFixupIfNeeded(rawData);
// Lookup the event;
TraceEvent anEvent = source.Lookup(rawData);
source.m_curITraceEvent = eventData;
source.m_curTraceEventRecord = anEvent.eventRecord;
// Keep in mind that for UnhandledTraceEvent 'PrepForCallback' has NOT been called, which means the
// opcode, guid and eventIds are not correct at this point. The ToString() routine WILL call
// this so if that is in your debug window, it will have this side effect (which is good and bad)
// Looking at rawData will give you the truth however.
anEvent.DebugValidate();
if (anEvent.NeedsFixup)
{
anEvent.FixupData();
}
source.Dispatch(anEvent);
// Release the COM object aggressively Otherwise you build up quite a few of these before
// the GC kicks in and cleans them all up.
Marshal.FinalReleaseComObject(source.m_curITraceEvent);
source.m_curITraceEvent = null;
}
