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Event: Use -1.0 for undefined/unset timestamps

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This can happen if either there's no network timestamp associated with
an event, or there's currently no event being dispatched. Using 0.0
isn't great as it's the normal start timestamp before reading a network
packet. Using -1.0 gives the caller a chance to check and realize what's
going on.
This commit is contained in:
Arne Welzel 2025-05-26 16:14:58 +02:00
parent e2e13902f3
commit 7b4b1779bf
5 changed files with 29 additions and 4 deletions
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6
src/Event.h
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@ -49,6 +49,8 @@ using EventMetadataVectorPtr = std::unique_ptr<EventMetadataVector>;
*/
EventMetadataVectorPtr MakeEventMetadataVector(double t);
constexpr double NO_TIMESTAMP = -1.0;
} // namespace detail
class Event final : public Obj {
@ -170,8 +172,8 @@ public:
// the event was intended to be executed. For scheduled events, this is the time the event
// was scheduled to. For any other event, this is the time when the event was created.
//
// If no event is being processed, returns 0.0.
double CurrentEventTime() const { return current ? current->Time() : 0.0; }
// If no event is being processed or there is no timestamp information, returns -1.0
double CurrentEventTime() const { return current ? current->Time() : detail::NO_TIMESTAMP; }
int Size() const { return num_events_queued - num_events_dispatched; }