private void OnTraceEventInternal(object sender, xlAmo.TraceEventArgs e)
{
// we are using CommandBegin as a "heartbeat" to check if the trace
// has started capturing events
if (!_traceStarted)
{
Log.Debug("{class} {mothod} Pending TraceEvent: {eventClass}", "QueryTraceEngineExcel", "OnTraceEventInternal", e.EventClass.ToString());
StopTimer();
_traceStarted = true;
_connection.Close(false);
_connection.Dispose();
_connection = null;
Status = QueryTraceStatus.Started;
TraceStarted?.Invoke(this, null);
var f = new System.IO.FileInfo(_trace.Parent.Name);
_friendlyServerName = f.Name;
}
else
{
Log.Debug("{class} {method} TraceEvent: {eventClass}", "QueryTraceEngineExcel", "OnTraceEventInternal", e.EventClass.ToString());
//OnTraceEvent(e);
_capturedEvents.Add(CreateTraceEventArg(e, _friendlyServerName));
if (e.EventClass == xlAmo.TraceEventClass.QueryEnd)
{
// Raise an event with the captured events
TraceCompleted?.Invoke(this, _capturedEvents);
// reset the captured events collection
_capturedEvents = new List <DaxStudioTraceEventArgs>();
}
}
}
private DaxStudioTraceEventArgs CreateTraceEventArg(xlAmo.TraceEventArgs traceEvent)
{
long cpuTime;
long duration;
// not all events have CpuTime
try
{
cpuTime = traceEvent.CpuTime;
}
catch (ArgumentNullException)
{
cpuTime = 0;
}
// not all events have a duration
try
{
duration = traceEvent.Duration;
}
catch (ArgumentNullException)
{
duration = 0;
}
var dsEvent = new DaxStudioTraceEventArgs(
traceEvent.EventClass.ToString(),
traceEvent.EventSubclass.ToString(),
duration,
cpuTime,
traceEvent.TextData);
return(dsEvent);
}
private static DaxStudioTraceEventArgs CreateTraceEventArg(xlAmo.TraceEventArgs traceEvent, string xlsxFile)
{
long cpuTime;
long duration;
DateTime eventTime = DateTime.Now;
// not all events have CpuTime
try
{
cpuTime = traceEvent.CpuTime;
}
catch (ArgumentNullException)
{
cpuTime = 0;
}
// not all events have a duration
try
{
duration = traceEvent.Duration;
}
catch (ArgumentNullException)
{
duration = 0;
}
try
{
eventTime = traceEvent.CurrentTime;
eventTime = traceEvent.StartTime;
}
catch (NullReferenceException) { }
catch (ArgumentNullException)
{
//do nothing - leave whatever value worked DateTime.Now / CurrentTime / StartTime
}
var dsEvent = new DaxStudioTraceEventArgs(
traceEvent.EventClass.ToString(),
traceEvent.EventSubclass.ToString(),
duration,
cpuTime,
traceEvent.TextData,
xlsxFile,
eventTime);
return(dsEvent);
}
