public override void Trace(TraceEvent traceEvent)
{
// Apply standard event properties
// Note: we must be sure to default any null values to empty string
// otherwise the ETW event will fail to be persisted (silently)
string subscriptionId = _subscriptionId ?? string.Empty;
string appName = _appName ?? string.Empty;
string source = traceEvent.Source ?? string.Empty;
string summary = traceEvent.Message ?? string.Empty;
// Apply any additional extended event info from the Properties bag
string functionName = string.Empty;
string eventName = string.Empty;
string details = string.Empty;
if (traceEvent.Properties != null)
{
object value;
if (traceEvent.Properties.TryGetValue(ScriptConstants.TracePropertyIsUserTraceKey, out value)
&& value is bool && (bool)value == true)
{
// we don't write user traces to system logs
return;
}
if (traceEvent.Properties.TryGetValue(ScriptConstants.TracePropertyFunctionNameKey, out value) && value != null)
{
functionName = value.ToString();
}
if (traceEvent.Properties.TryGetValue(ScriptConstants.TracePropertyEventNameKey, out value) && value != null)
{
eventName = value.ToString();
}
if (traceEvent.Properties.TryGetValue(ScriptConstants.TracePropertyEventDetailsKey, out value) && value != null)
{
details = value.ToString();
}
}
_eventGenerator.LogFunctionTraceEvent(traceEvent.Level, subscriptionId, appName, functionName, eventName, source, details, summary, traceEvent.Exception);
}
}
