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[traffic] Unsubscribe when traffic manager is disabled

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Signed-off-by: mvglasow <michael -at- vonglasow.com>
This commit is contained in:
mvglasow
2025-07-22 20:30:15 +03:00
parent d988ab3326
commit 75c7d146af
2 changed files with 46 additions and 28 deletions
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33
map/traffic_manager.hpp
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@@ -182,21 +182,6 @@ public:
void UpdateViewport(ScreenBase const & screen);
void UpdateMyPosition(MyPosition const & myPosition);
/**
* @brief Recalculates the TraFF subscription area.
*
* The subscription area needs to be recalculated when the traffic manager goes from disabled to
* enabled, or when it is resumed after being paused, as the subscription area is not updated
* while the traffic manager is disabled or paused.
*
* If the subscription area has changed, this triggers a change of the active TraFF subscription.
*
* No traffic data is discarded, but sources will be polled for an update, which may turn out
* larger than usual if the traffic manager was in disabled/paused state for an extended period of
* time or the subscription area has changed.
*/
void RecalculateSubscription();
/**
* @brief Invalidates traffic information for the specified MWM.
*
@@ -287,6 +272,24 @@ public:
private:
/**
* @brief Recalculates the TraFF subscription area.
*
* The subscription area needs to be recalculated when the traffic manager goes from disabled to
* enabled, or when it is resumed after being paused, as the subscription area is not updated
* while the traffic manager is disabled or paused.
*
* If the subscription area has changed, or if `forceRenewal` is true, TraFF subscriptions are
* renewed by calling `SubscribeOrChangeSubscription()`.
*
* No traffic data is discarded, but sources will be polled for an update, which may turn out
* larger than usual if the traffic manager was in disabled/paused state for an extended period of
* time or the subscription area has changed.
*
* @param forceRenewal If true, renew subscriptions even if the subscription area has not changed.
*/
void RecalculateSubscription(bool forceRenewal);
/**
* @brief Ensures every TraFF source has a subscription covering all currently active MWMs.
*