CallbackTimer.h

/*
 * Copyright (c) 2015 Pavel Vainerman.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, version 2.1.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
// --------------------------------------------------------------------------
//----------------------------------------------------------------------------
# ifndef CallbackTimer_H_
# define CallbackTimer_H_
//----------------------------------------------------------------------------
#include <list>
#include "Exceptions.h"
#include "ThreadCreator.h"
#include "PassiveTimer.h"
//-----------------------------------------------------------------------------
namespace uniset
{
class LimitTimers:
    public uniset::Exception
{
    public:
        LimitTimers(): Exception("LimitTimers") {}

        LimitTimers(const std::string& err): Exception(err) {}
};
//----------------------------------------------------------------------------------------

template <class Caller>
class CallbackTimer
//    public PassiveTimer
{
    public:

        static const size_t MAXCallbackTimer = 20;

        typedef void(Caller::* Action)( size_t id );

        CallbackTimer(Caller* r, Action a);
        ~CallbackTimer();

        // Управление таймером
        void run();        
        void terminate();  
        // Работа с таймерами (на основе интерфейса PassiveTimer)
        void reset(size_t id);                 
        void setTiming(size_t id, timeout_t timrMS); 
        timeout_t getInterval(size_t id);            
        timeout_t getCurrent(size_t id);             
        void add( size_t id, timeout_t timeMS )throw(uniset::LimitTimers); 
        void remove( size_t id ); 
    protected:

        CallbackTimer();
        void work();

        void startTimers();
        void clearTimers();

    private:

        typedef CallbackTimer<Caller> CBT;
        friend class ThreadCreator<CBT>;
        Caller* cal;
        Action act;
        ThreadCreator<CBT>* thr;

        bool terminated;

        struct TimerInfo
        {
            TimerInfo(size_t id, PassiveTimer& pt):
                id(id), pt(pt) {};

            size_t id;
            PassiveTimer pt;
        };

        typedef std::list<TimerInfo> TimersList;
        TimersList lst;

        // функция-объект для поиска по id
        struct FindId_eq: public std::unary_function<TimerInfo, bool>
        {
            FindId_eq(const size_t id): id(id) {}
            inline bool operator()(const TimerInfo& ti) const
            {
                return ti.id == id;
            }
            size_t id;
        };
};
//----------------------------------------------------------------------------------------
#include "CallbackTimer.tcc"
//----------------------------------------------------------------------------------------
} // end of uniset namespace
//----------------------------------------------------------------------------------------
# endif //CallbackTimer_H_