ibrcommon/ibrcommon/thread/Timer.h

Go to the documentation of this file.

/*
 * Timer.h
 *
 *  Created on: 29.09.2009
 *      Author: morgenro
 */

#ifndef IBRCOMMON_TIMER_H_
#define IBRCOMMON_TIMER_H_

#include "ibrcommon/thread/Thread.h"
#include "ibrcommon/thread/Conditional.h"
#include <map>
#include <set>

#include <string>
#include <iostream>

namespace ibrcommon
{
        class Timer;
        class TimerCallback
        {
        public:
                virtual bool timeout(Timer *timer) = 0;
        };

        class SimpleTimerCallback
        {
        public:
                virtual size_t timeout(size_t identifier) = 0;
        };

        class Timer : public JoinableThread
        {
        public:
                static size_t get_current_time();

                Timer(TimerCallback &callback, size_t timeout);

                virtual ~Timer();

                void set(size_t timeout);

                void reset();

                void stop();

        protected:
                void run();

        private:
                enum TIMER_STATE
                {
                        TIMER_UNSET = 0,
                        TIMER_RUNNING = 1,
                        TIMER_RESET = 2,
                        TIMER_STOPPED = 3
                };

                StatefulConditional<Timer::TIMER_STATE, TIMER_STOPPED> _state;
                TimerCallback &_callback;
                size_t _timeout;
        };

        class SimpleTimer : public JoinableThread
        {
        public:
                SimpleTimer(SimpleTimerCallback &callback, size_t identifier);
                virtual ~SimpleTimer();

                void set(size_t timeout);
                void remove();

        protected:
                void run();

        private:
                SimpleTimerCallback &_callback;
                size_t _identifier;
                size_t _countdown;
                ibrcommon::Conditional _timecond;

                bool _running;
        };

        class MultiTimer : public JoinableThread
        {
        public:
                MultiTimer();
                virtual ~MultiTimer();

                void set(SimpleTimerCallback &callback, size_t identifier, size_t timeout);
                void remove(SimpleTimerCallback &callback, size_t identifier);

                void removeAll();

        protected:
                void run();

        private:
                class Eggtimer
                {
                public:
                        Eggtimer(SimpleTimerCallback &callback, size_t identifier, size_t timeout);
                        ~Eggtimer();

                        bool operator>(const Eggtimer &obj) const;
                        bool operator<(const Eggtimer &obj) const;
                        bool operator>(const size_t &obj) const;
                        bool operator<(const size_t &obj) const;

                        bool operator==(const Eggtimer &obj) const;

                        SimpleTimerCallback &_callback;
                        size_t _timeout;
                        size_t _identifier;

                        const std::string toString() const;
                };

                ibrcommon::Mutex _listlock;
                std::multiset<Eggtimer> _timers;
                ibrcommon::Conditional _timecond;

                bool _running;
        };
}

#endif /* TIMER_H_ */

---