Peter M. Groen / FlashMQ

Commit 8198690242e0173fbf1a8e20f9ecd302a50884b1

Authored by Wiebe Cazemier
1 parent fdef7ff3

Queue session removal with second granularity 

There's no point in keeping a vector of removals per nanosecond.
Inline Side-by-side
Showing 2 changed files with 7 additions and 4 deletions
subscriptionstore.cpp
  View file @8198690
... ... @@ -661,6 +661,8 @@ void SubscriptionStore::removeExpiredSessionsClients()
661 661 logger->logf(LOG_DEBUG, "Cleaning out old sessions");
662 662  
663 663 const std::chrono::time_point<std::chrono::steady_clock> now = std::chrono::steady_clock::now();
  664 + const std::chrono::seconds secondsSinceEpoch = std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch());
  665 +
664 666 int removedSessions = 0;
665 667 int processedRemovals = 0;
666 668 int queuedRemovalsLeft = -1;
... ... @@ -673,9 +675,9 @@ void SubscriptionStore::removeExpiredSessionsClients()
673 675 auto it = queuedSessionRemovals.begin();
674 676 while (it != queuedSessionRemovals.end())
675 677 {
676   - const std::chrono::time_point<std::chrono::steady_clock> &removeAt = it->first;
  678 + const std::chrono::seconds &removeAt = it->first;
677 679  
678   - if (removeAt > now)
  680 + if (removeAt > secondsSinceEpoch)
679 681 {
680 682 break;
681 683 }
... ... @@ -725,10 +727,11 @@ void SubscriptionStore::queueSessionRemoval(const std::shared_ptr&lt;Session&gt; &amp;sess
725 727 return;
726 728  
727 729 std::chrono::time_point<std::chrono::steady_clock> removeAt = std::chrono::steady_clock::now() + std::chrono::seconds(session->getSessionExpiryInterval());
  730 + std::chrono::seconds secondsSinceEpoch = std::chrono::duration_cast<std::chrono::seconds>(removeAt.time_since_epoch());
728 731 session->setQueuedRemovalAt();
729 732  
730 733 std::lock_guard<std::mutex> locker(this->queuedSessionRemovalsMutex);
731   - queuedSessionRemovals[removeAt].push_back(session);
  734 + queuedSessionRemovals[secondsSinceEpoch].push_back(session);
732 735 }
733 736  
734 737 int64_t SubscriptionStore::getRetainedMessageCount() const
... ...
subscriptionstore.h
  View file @8198690
... ... @@ -111,7 +111,7 @@ class SubscriptionStore
111 111 const std::unordered_map<std::string, std::shared_ptr<Session>> &sessionsByIdConst;
112 112  
113 113 std::mutex queuedSessionRemovalsMutex;
114   - std::map<std::chrono::time_point<std::chrono::steady_clock>, std::vector<std::weak_ptr<Session>>> queuedSessionRemovals;
  114 + std::map<std::chrono::seconds, std::vector<std::weak_ptr<Session>>> queuedSessionRemovals;
115 115  
116 116 pthread_rwlock_t retainedMessagesRwlock = PTHREAD_RWLOCK_INITIALIZER;
117 117 RetainedMessageNode retainedMessagesRoot;
... ...