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refs #667 Interpolator: relaxed thread safety requirements by removing the dependence on shared state.

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This commit is contained in:
Mathew Sutcliffe
2016-06-06 19:55:42 +01:00
parent 9666c02adc
commit f82a3b53e4
4 changed files with 44 additions and 10 deletions
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9
src/blackmisc/interpolatorlinear.cpp
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@@ -36,19 +36,17 @@ using namespace BlackMisc::Aviation;
namespace BlackMisc
{
CAircraftSituation CInterpolatorLinear::getInterpolatedSituation(const CCallsign &callsign, qint64 currentTimeMsSinceEpoc, bool vtolAiracraft, InterpolationStatus &status) const
CAircraftSituation CInterpolatorLinear::getInterpolatedSituation(const BlackMisc::Aviation::CAircraftSituationList &situations, qint64 currentTimeMsSinceEpoc, bool vtolAiracraft, InterpolationStatus &status) const
{
// has to be thread safe
status.reset();
// any data at all?
Q_ASSERT_X(!callsign.isEmpty(), Q_FUNC_INFO, "empty callsign");
if (this->remoteAircraftSituationsCount(callsign) < 1) { return {}; }
if (situations.isEmpty()) { return {}; }
// data, split situations by time
if (currentTimeMsSinceEpoc < 0) { currentTimeMsSinceEpoc = QDateTime::currentMSecsSinceEpoch(); }
const auto situations = remoteAircraftSituations(callsign);
// find the first situation not in the correct order, keep only the situations before that one
auto end = std::is_sorted_until(situations.begin(), situations.end(), [](auto &&a, auto &&b) { return b.getAdjustedMSecsSinceEpoch() < a.getAdjustedMSecsSinceEpoch(); });
@@ -110,7 +108,7 @@ namespace BlackMisc
{
if (this->m_withDebugMsg)
{
CLogMessage(this).warning("Extrapolation, fraction > 1: %1 for callsign: %2") << simulationTimeFraction << callsign;
CLogMessage(this).warning("Extrapolation, fraction > 1: %1 for callsign: %2") << simulationTimeFraction << oldSituation.getCallsign();
}
}
@@ -182,7 +180,6 @@ namespace BlackMisc
* simulationTimeFraction
+ oldSituation.getGroundSpeed());
status.changedPosition = true;
Q_ASSERT_X(currentSituation.getCallsign() == callsign, Q_FUNC_INFO, "mismatching callsigns");
return currentSituation;
}