TimerManager.h

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/* 
 * Copyright (C) 2006-2010 Jacek Sieka, arnetheduck on gmail point com
 *
 * 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 ADCHPP_TIMERMANAGER_H
#define ADCHPP_TIMERMANAGER_H

#include "Singleton.h"

namespace adchpp { 

class TimerManager : public Singleton<TimerManager>
{
public:
#ifdef _WIN32
    static uint32_t getTick() { 
        return GetTickCount(); 
    }

#else
    uint32_t getTick() {
        timeval tv2;
        gettimeofday(&tv2, NULL);
        return (time_t)((tv2.tv_sec - tv.tv_sec) * 1000 ) + ( (tv2.tv_usec - tv.tv_usec) / 1000);
    }
#endif
    
    static time_t getTime() {
        return time(NULL);
    }
        
private:

    friend class Singleton<TimerManager>;
    ADCHPP_DLL static TimerManager* instance;
    
    TimerManager() throw() { 
#ifndef _WIN32
        gettimeofday(&tv, NULL);
        tv.tv_sec -= 1000; // To make sure the timer doesn't start too close to 0...
#endif
    }
    
    virtual ~TimerManager() throw() { }
    
#ifndef _WIN32
    timeval tv;
#endif
};

#ifdef _WIN32
#define GET_TICK() TimerManager::getTick()
#else
#define GET_TICK() TimerManager::getInstance()->getTick()
#endif // WIN32

#define GET_TIME() TimerManager::getTime()

}

#endif // TIMERMANAGER_H