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PeriodicRealTimeout.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 * Free Software Foundation;
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WNS_EVENTS_PERIODICREALTIMEOUT_HPP
#define WNS_EVENTS_PERIODICREALTIMEOUT_HPP

#include <WNS/events/scheduler/ICommand.hpp>

#include <pthread.h>

namespace wns { namespace events {

    class PeriodicRealTimeout
    {
        class PeriodicRealTimeoutCommand
        {
        public:
            explicit
            PeriodicRealTimeoutCommand(PeriodicRealTimeout* _dest) :
                dest(_dest)
            {}

            void
            operator()()
            {
                dest->periodically();
            }

        private:
            PeriodicRealTimeout* dest;
        }; // PeriodicRealTimeoutCommand

    public:
        explicit
        PeriodicRealTimeout();

        virtual
        ~PeriodicRealTimeout();

        void
        startPeriodicTimeout(double _period, double _delay = 0.0);

        bool
        hasPeriodicRealTimeoutSet();

        void
        cancelPeriodicRealTimeout();

        virtual void
        periodically() = 0;

    private:
        pthread_cond_t dataRead;
        pthread_mutex_t mutex;
        double period;
        double delay;


        bool running;
        pthread_t thread;
        wns::events::scheduler::ICommandPtr currentCommand;

        static void* worker(void* _arg);
    }; // PeriodicRealTimeOut

} // events
} // wns


#endif // NOT defined WNS_EVENTS_PERIODICREALTIMEOUT_HPP

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