Logger.hpp

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/*
 *  This file is part of AQUAgpusph, a free CFD program based on SPH.
 *  Copyright (C) 2012  Jose Luis Cercos Pita <jl.cercos@upm.es>
 *
 *  AQUAgpusph 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  AQUAgpusph 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 AQUAgpusph.  If not, see <http://www.gnu.org/licenses/>.
 */

 
#ifndef LOGGER_H_INCLUDED
#define LOGGER_H_INCLUDED
 
#include "aquagpusph/sphPrerequisites.hpp"
 
#include <string>
#include <fstream>
#include <vector>
#include <mutex>
#if __APPLE__
#include <OpenCL/cl.h>
#else
#include <CL/cl.h>
#endif
 
#include "Report.hpp"
 
#ifndef addMessageF
#define addMessageF(level, log) addMessage(level, log, __METHOD_CLASS_NAME__)
#endif
 
#ifndef LOG
#define LOG(level, log)                                                        \
        Aqua::InputOutput::Logger::singleton()->addMessageF(level, log)
#endif
#ifndef LOG0
#define LOG0(level, log)                                                       \
        Aqua::InputOutput::Logger::singleton()->addMessage(level, log)
#endif
 
namespace Aqua {
 
enum TLogLevel
{
        L_DEBUG,
        L_INFO,
        L_WARNING,
        L_ERROR,
        L_NONE
};
 
namespace InputOutput {

class DECLDIR Logger
  : public Aqua::InputOutput::Report
{
public:
        ~Logger();
 
    // Deleting the copy constructor to prevent copies
    Logger(const Logger& obj) = delete;

        static Logger* singleton();

        inline void setLevel(int level)
        {
                _level = (std::min)((std::max)(level, (int)L_DEBUG), (int)L_NONE);
        }

        void writeReport(std::string msg);

        void addMessage(TLogLevel level, std::string log, std::string func = "");

        void printDate(TLogLevel level = L_DEBUG);

        void printOpenCLError(cl_int error, TLogLevel level = L_DEBUG);

        void save(float UNUSED_PARAM t) {};
 
  protected:
        void open();

        void close();
 
  private:
        Logger();

        int _level;

        std::ofstream _log_file;

        std::recursive_mutex _mutex;
};
 
}
} // namespace
 
#endif // LOGGER_H_INCLUDED