EventDispatcher.hpp

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#pragma once
 
#include "EpollManager.hpp"
#include "IEventHandler.hpp"
#include <map>
#include <set>
 
namespace network {

class EventDispatcher {
public:
    ~EventDispatcher();
 
    void registerHandler(IEventHandler *handler);
    void removeHandler(IEventHandler *handler);
    void handleEvents();
    void requestShutdown();
 
    static EventDispatcher &getInstance();
 
public:
    void enableRead(IEventHandler *handler);

    void disableRead(IEventHandler *handler);

    void enableWrite(IEventHandler *handler);

    void disableWrite(IEventHandler *handler);
 
private:
    void updateEventMask(IEventHandler *handler, uint32_t newMask);
    void cleanUpGarbage();
 
private:
    EpollManager epollManager_;
    std::map<int, IEventHandler *> handlers_;
    std::set<IEventHandler *> pendingRemovals_;
    std::set<IEventHandler *> activeHandlers_;
 
private:
    EventDispatcher();
    EventDispatcher(const EventDispatcher &);
    EventDispatcher &operator=(const EventDispatcher &);
};
 
} // namespace network