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[traffxml] Purge expired messages

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Signed-off-by: mvglasow <michael -at- vonglasow.com>
This commit is contained in:
mvglasow
2025-06-15 16:40:03 +03:00
parent db3ed87b92
commit f31541efb2
6 changed files with 86 additions and 5 deletions
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34
map/traffic_manager.cpp
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@@ -22,6 +22,12 @@ namespace
* Poll interval for traffic data
*/
auto constexpr kUpdateInterval = minutes(1);
/**
* Purge interval for expired traffic messages
*/
auto constexpr kPurgeInterval = minutes(1);
auto constexpr kOutdatedDataTimeout = minutes(5) + kUpdateInterval;
auto constexpr kNetworkErrorTimeout = minutes(20);
@@ -404,6 +410,21 @@ void TrafficManager::Push(traffxml::TraffFeed feed)
m_condition.notify_one();
}
void TrafficManager::PurgeExpiredMessages()
{
std::lock_guard<std::mutex> lock(m_mutex);
LOG(LINFO, ("before:", m_messageCache.size(), "message(s)"));
traffxml::IsoTime now = traffxml::IsoTime::Now();
for (auto it = m_messageCache.begin(); it != m_messageCache.end(); )
{
if (it->second.IsExpired(now))
it = m_messageCache.erase(it);
else
++it;
}
LOG(LINFO, ("after:", m_messageCache.size(), "message(s)"));
}
void TrafficManager::ConsolidateFeedQueue()
{
std::lock_guard<std::mutex> lock(m_mutex);
@@ -504,7 +525,8 @@ void TrafficManager::DecodeFirstMessage()
void TrafficManager::ThreadRoutine()
{
// initially, treat drape and observer as having just been updated
// initially, treat last purge and drape/observer update as having just happened
auto lastPurged = steady_clock::now();
m_lastDrapeUpdate = steady_clock::now();
m_lastObserverUpdate = steady_clock::now();
@@ -513,11 +535,15 @@ void TrafficManager::ThreadRoutine()
if (!IsEnabled())
continue;
// TODO clean out expired messages
if (!IsTestMode())
{
LOG(LINFO, ("start loop, active MWMs changed:", m_activeMwmsChanged, ", poll needed:", m_isPollNeeded));
if (steady_clock::now() - lastPurged >= kPurgeInterval)
{
lastPurged == steady_clock::now();
PurgeExpiredMessages();
}
LOG(LINFO, ("active MWMs changed:", m_activeMwmsChanged, ", poll needed:", m_isPollNeeded));
// this is a no-op if active MWMs have not changed
if (!SetSubscriptionArea())