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author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-08-03 17:03:59 +0200 |
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committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-08-03 17:03:59 +0200 |
commit | f7decf41d8d0062901cd39c42a3669a80537c7df (patch) | |
tree | d3032265df11eee6e3eaf8b4b081524bef5e72b2 /src/Event.cpp | |
parent | 2017-07-29 (diff) | |
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Diffstat (limited to 'src/Event.cpp')
-rw-r--r-- | src/Event.cpp | 129 |
1 files changed, 68 insertions, 61 deletions
diff --git a/src/Event.cpp b/src/Event.cpp index ff16178..19c93f2 100644 --- a/src/Event.cpp +++ b/src/Event.cpp @@ -1,100 +1,107 @@ #include "Event.hpp" #include <easylogging++.h> -std::queue <Event> EventAgregator::eventsToHandle; +std::queue<Event> EventAgregator::eventsToHandle; std::mutex EventAgregator::queueMutex; bool EventAgregator::isStarted = false; -std::vector<EventListener*> EventAgregator::listeners; +std::vector<EventListener *> EventAgregator::listeners; std::mutex EventAgregator::listenersMutex; EventListener::EventListener() { - EventAgregator::RegisterListener(*this); + EventAgregator::RegisterListener(*this); } EventListener::~EventListener() { - EventAgregator::UnregisterListener(*this); + EventAgregator::UnregisterListener(*this); } void EventListener::PushEvent(Event event) { - eventsMutex.lock(); - events.push(event); - eventsMutex.unlock(); + eventsMutex.lock(); + handlersMutex.lock(); + if (handlers[event.type]) { + //LOG(ERROR) << "Listener notified about event " << int(event.type); + events.push(event); + } + handlersMutex.unlock(); + eventsMutex.unlock(); } bool EventListener::IsEventsQueueIsNotEmpty() { - eventsMutex.lock(); - bool value = !events.empty(); - eventsMutex.unlock(); - return value; + eventsMutex.lock(); + bool value = !events.empty(); + eventsMutex.unlock(); + return value; } void EventListener::RegisterHandler(EventType type, EventListener::HandlerFunc handler) { + handlersMutex.lock(); handlers[type] = handler; + handlersMutex.unlock(); } void EventListener::HandleEvent() { - eventsMutex.lock(); - if (events.empty()) { - eventsMutex.unlock(); - return; - } - Event event = events.front(); - events.pop(); - eventsMutex.unlock(); - auto function = handlers[event.type]; - function(event.data); + eventsMutex.lock(); + if (events.empty()) { + eventsMutex.unlock(); + return; + } + Event event = events.front(); + events.pop(); + eventsMutex.unlock(); + handlersMutex.lock(); + auto function = handlers[event.type]; + handlersMutex.unlock(); + function(event.data); } - void EventAgregator::RegisterListener(EventListener &listener) { - listenersMutex.lock(); - LOG(WARNING)<<"Registered handler "<<&listener; - listeners.push_back(&listener); - listenersMutex.unlock(); + listenersMutex.lock(); + LOG(WARNING) << "Registered handler " << &listener; + listeners.push_back(&listener); + listenersMutex.unlock(); } void EventAgregator::UnregisterListener(EventListener &listener) { - listenersMutex.lock(); - LOG(WARNING)<<"Unregistered handler "<<&listener; - listeners.erase(std::find(listeners.begin(), listeners.end(), &listener)); - listenersMutex.unlock(); + listenersMutex.lock(); + LOG(WARNING) << "Unregistered handler " << &listener; + listeners.erase(std::find(listeners.begin(), listeners.end(), &listener)); + listenersMutex.unlock(); } void EventAgregator::PushEvent(EventType type, EventData data) { - Event event; - event.type = type; - event.data = data; - eventsToHandle.push(event); - if (!isStarted) { - isStarted = true; - std::thread(&EventAgregator::EventHandlingLoop).detach(); - } + Event event; + event.type = type; + event.data = data; + eventsToHandle.push(event); + if (!isStarted) { + isStarted = true; + std::thread(&EventAgregator::EventHandlingLoop).detach(); + } } void EventAgregator::EventHandlingLoop() { - while (true) { - queueMutex.lock(); - if (!eventsToHandle.empty()) { - auto queue = eventsToHandle; - while (!eventsToHandle.empty()) - eventsToHandle.pop(); - queueMutex.unlock(); - - while (!queue.empty()) { - auto event = queue.front(); - listenersMutex.lock(); - for (auto& listener : listeners) { - LOG(ERROR)<<"Listener notified about event"; - listener->PushEvent(event); - } - listenersMutex.unlock(); - queue.pop(); - } - - queueMutex.lock(); - } - queueMutex.unlock(); - } + while (true) { + queueMutex.lock(); + if (!eventsToHandle.empty()) { + auto queue = eventsToHandle; + while (!eventsToHandle.empty()) + eventsToHandle.pop(); + queueMutex.unlock(); + + while (!queue.empty()) { + auto event = queue.front(); + listenersMutex.lock(); + for (auto &listener : listeners) { + listener->PushEvent(event); + } + listenersMutex.unlock(); + queue.pop(); + } + + queueMutex.lock(); + } + queueMutex.unlock(); + } } |