TimerService.h

См. документацию.

/* This file is part of the UniSet project
 * Copyright (c) 2002 Free Software Foundation, Inc.
 * Copyright (c) 2002 Pavel Vainerman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
// --------------------------------------------------------------------------
//---------------------------------------------------------------------------
#ifndef TimerService_H_
#define TimerService_H_
//---------------------------------------------------------------------------
#include <list>
#include <functional>
#include <omnithread.h>
#include <string>
#include "UniSetTypes.h"
#include "UniSetObject.h"
#include "TimerService_i.hh"
#include "PassiveTimer.h"
//#include "OmniThreadCreator.h"
#include "ThreadCreator.h"

//-----------------------------------------------------------------------------------
class TimerService: 
    public POA_TimerService_i,
    public UniSetObject
{
    public:
        
        TimerService( UniSetTypes::ObjectId id, const std::string confNodeName="LocalTimerService");
        ~TimerService();

        virtual void askTimer( const TimerService_i::Timer& ti, const UniSetTypes::ConsumerInfo& ci);
        void printList();

    protected:
        TimerService(const std::string confNodeName="LocalTimerService");

        struct TimerInfo
        {
            TimerInfo():id(0), curTimeMS(0){};
            TimerInfo(CORBA::Short id, CORBA::Long timeMS, const UniSetTypes::ConsumerInfo& cinf, 
                        CORBA::Short cnt, unsigned int askLifeTime, UniSetTypes::Message::Priority p):
                cinf(cinf),
                ref(0),
                id(id), 
                curTimeMS(timeMS),
                priority(p),
                curTick(cnt-1),
                not_ping(false)
            {
                tmr.setTiming(timeMS);
                lifetmr.setTiming(askLifeTime*1000); // [сек]
            };
            
            inline void reset()
            {
                curTimeMS = tmr.getInterval();
                tmr.reset();
            }
            
            UniSetTypes::ConsumerInfo cinf;     
            UniSetObject_i_var ref;             
            UniSetTypes::TimerId id;            
            timeout_t curTimeMS;                        
            UniSetTypes::Message::Priority priority;    
            CORBA::Short curTick; 
            
            // заказчик с меньшим временем ожидания имеет больший приоритет
            bool operator < ( const TimerInfo& ti ) const
            { 
                return curTimeMS > ti.curTimeMS; 
            }

            PassiveTimer tmr;
            PassiveTimer lifetmr;   
            bool not_ping;          /* признак недоступности заказчика */
        };

        typedef std::list<TimerInfo> TimersList;            
        
        virtual bool send(TimerInfo& ti);

        virtual bool disactivateObject();
        virtual bool activateObject();
        virtual void sigterm( int signo );


        unsigned int MaxCountTimers;    
        unsigned int AskLifeTimeSEC;    
        void init(const std::string& confnode);
        void work();

    private:

        bool terminate;
        bool isSleep;
        
        UniSetTimer* sleepTimer;    
        class Timer_eq: public std::unary_function<TimerInfo, bool>
        {
            public:         
                Timer_eq(const UniSetTypes::ConsumerInfo& coi, CORBA::Short t):tid(t),ci(coi){}

            inline bool operator()(const TimerInfo& ti) const
            {
                return ( ti.cinf.id == ci.id && ti.cinf.node == ci.node && ti.id == tid );
            }

            protected:
                UniSetTypes::TimerId tid;
                UniSetTypes::ConsumerInfo ci;
        };

        TimersList tlst;                
        UniSetTypes::uniset_mutex lstMutex; 
        int execute_pid; 
        ThreadCreator<TimerService>* exthread;      
};

#endif