private static unsafe IEventTraceOperand BuildOperandFromXml(EVENT_RECORD *eventRecord, Dictionary <Guid, EventSourceManifest> cache, EventRecordReader eventRecordReader, int metadataTableIndex)
{
EventSourceManifest manifest;
Guid providerGuid = eventRecord->ProviderId;
if (!cache.TryGetValue(providerGuid, out manifest))
{
manifest = CreateEventSourceManifest(providerGuid, cache, eventRecord, eventRecordReader);
}
if (manifest == null)
{
return(null);
}
return(!manifest.IsComplete ? null : EventTraceOperandBuilder.Build(manifest.Schema, eventRecord->Id, metadataTableIndex));
}
private static unsafe IEventTraceOperand BuildOperandFromTdh(EVENT_RECORD *eventRecord, int metadataTableIndex)
{
uint bufferSize;
byte *buffer = (byte *)0;
// Not Found
if (Tdh.GetEventInformation(eventRecord, 0, IntPtr.Zero, buffer, out bufferSize) == 1168)
{
return(null);
}
buffer = (byte *)Marshal.AllocHGlobal((int)bufferSize);
Tdh.GetEventInformation(eventRecord, 0, IntPtr.Zero, buffer, out bufferSize);
var traceEventInfo = (TRACE_EVENT_INFO *)buffer;
IEventTraceOperand traceEventOperand = EventTraceOperandBuilder.Build(traceEventInfo, metadataTableIndex);
Marshal.FreeHGlobal((IntPtr)buffer);
return(traceEventOperand);
}
private unsafe IEventTraceOperand BuildOperand(EVENT_RECORD *eventRecord, EventRecordReader eventRecordReader, int metadataTableIndex, ref bool isSpecialKernelTraceMetaDataEvent)
{
if (eventRecord->ProviderId == CustomParserGuids.KernelTraceControlMetaDataGuid && eventRecord->Opcode == 32)
{
isSpecialKernelTraceMetaDataEvent = true;
return(EventTraceOperandBuilder.Build((TRACE_EVENT_INFO *)eventRecord->UserData, metadataTableIndex));
}
IEventTraceOperand operand;
if ((operand = BuildOperandFromTdh(eventRecord, metadataTableIndex)) == null)
{
operand = BuildOperandFromXml(eventRecord, this.eventSourceManifestCache, eventRecordReader, metadataTableIndex);
}
if (operand == null && eventRecord->Id != 65534) // don't show manifest events
{
operand = BuildUnknownOperand(eventRecord, metadataTableIndex);
}
return(operand);
}