def record_negative_sla(self, conversation: Gp2gpConversation):
self._logger.warning(
f":Negative SLA duration for conversation: {conversation.conversation_id()}",
extra={
"event": "NEGATIVE_SLA_DETECTED",
"conversation_id": conversation.conversation_id(),
"final_acknowledgement_time": conversation.effective_final_acknowledgement_time(),
"request_completed_time": conversation.effective_request_completed_time(),
},
)
def _calculate_sla(
conversation: Gp2gpConversation, probe: TransferObservabilityProbe
) -> Optional[timedelta]:
final_acknowledgement_time = conversation.effective_final_acknowledgement_time()
request_completed_time = conversation.effective_request_completed_time()
if final_acknowledgement_time is None:
return None
sla_duration = final_acknowledgement_time - request_completed_time
if sla_duration.total_seconds() < 0:
probe.record_negative_sla(conversation)
return max(timedelta(0), sla_duration)