private void HandleRequestStartEvent(MediatrEventData @event)
{
try {
var transaction = _apmAgent.Tracer.CurrentTransaction;
var currentExecutionSegment = _apmAgent.Tracer.CurrentSpan ?? (IExecutionSegment)transaction;
var span = currentExecutionSegment.StartSpan(
@event.RequestType.Name,
"MediatR",
@event.RequestSubType);
if (!_processingQueries.TryAdd(@event.RequestGuid, span))
{
return;
}
span.Action = @event.RequestSubType == "Query" ? ApiConstants.ActionQuery : ApiConstants.ActionExec;
span.Context.Db = new Database {
Statement = @event.Payload,
Type = "MediatR"
};
}
catch (Exception e) {
//ignore
_apmLogger.Log(LogLevel.Error, "Exception was thrown while handling 'request started event''", e, null);
}
}
private void HandleRequestCompletedEvent(MediatrEventData @event)
{
try {
if (!_processingQueries.TryRemove(@event.RequestGuid, out var span))
{
return;
}
span.Duration = @event.TotalMilliseconds;
span.End();
}
catch (Exception ex) {
// ignore
_apmLogger.Log(LogLevel.Error, "Exception was thrown while handling 'request succeeded event''", ex,
null);
}
}
