clock_timer.hpp

//
// (c) Copyright 2012 DESY, Eugen Wintersberger <eugen.wintersberger@desy.de>
//
// This file is part of libpniio.
//
// libpniio 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.
//
// libpniio 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 libpniio.  If not, see <http://www.gnu.org/licenses/>.
//
// ============================================================================
//
//  Created on: Oct 24, 2012
//      Author: Eugen Wintersberger <eugen.wintersberger@desy.de>
//
#pragma once
#include "../types.hpp"

#include<iostream>
#include<ctime>

namespace pni{
namespace core{

    class clock_timer
    {
        private:
            clock_t _start; 
            clock_t _stop;  

        public:
            //======================static members=================================
            static const string name; 
            //=======================constructors==================================
            clock_timer():_start(0),_stop(0) {}

            //========================public member functions======================
            void start() { _start = clock(); }

            //---------------------------------------------------------------------
            void stop() { _stop = clock(); }

            //---------------------------------------------------------------------
            float64 duration() const
            {
                return ((double)(_stop-_start))/CLOCKS_PER_SEC;
            }

            //---------------------------------------------------------------------
            string unit() const
            {
                return string("s");
            }
    };


//end of namespace
}
}