NA_NesgLog.h

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//
// Copyright (C) 2013, NESG (Network Engineering and Security Group), http://nesg.ugr.es,
// - Gabriel Maciá Fernández (gmacia@ugr.es)
// - Leovigildo Sánchez Casado (sancale@ugr.es)
// - Rafael A. Rodríguez Gómez (rodgom@ugr.es)
// - Roberto Magán Carrión (rmagan@ugr.es)
// - Pedro García Teodoro (pgteodor@ugr.es)
// - José Camacho Páez (josecamacho@ugr.es)
// - Jesús E. Díaz Verdejo (jedv@ugr.es)
//
// This file is part of NETA.
//
//    NETA 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.
//
//    NETA 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 NETA.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef NESGLOG_H_
#define NESGLOG_H_

#include <fstream>
#include <omnetpp.h>
#include <stdarg.h>
#include <NA_Utils.h>

using namespace std;

#define NESGLOGHEADER "[" << NA_Utils::currentDateTime() << "][" << simTime() << "][NESGLOG]: "

#define LOG log << NESGLOGHEADER

class NA_NesgLog {
public:
    NA_NesgLog();

    ~NA_NesgLog() {
    }

    void write(const char* logline, ...);

    void unsetLog();

    NA_NesgLog& operator<<(const std::string& t) {
        if (active)
            EV << t;
        return *this;
    } // For strings

    template<typename T> NA_NesgLog& operator<<(const T& t) {
        if (active)
            EV << t;
        return *this;
    } // For generic objects

    NA_NesgLog& operator<<(std::ostream& (t)(std::ostream&)) {
        if (active)
            EV << t;
        return *this;
    } // For objects like endl

private:
    bool active; // Indicates if logging is active or not

};

#endif