Monitorable.h

/**************************************************************************
 * Copyright (c) 2007 Clifford Conley Owens III                           *
 *                                                                        *
 * This file is part of Biorithm.                                         *
 *                                                                        *
 * Biorithm 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.                                    *
 *                                                                        *
 * Biorithm 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 Biorithm.  If not, see <http://www.gnu.org/licenses/>.      *
 *                                                                        *
 **************************************************************************/

#ifndef MONITORABLE_H
#define MONITORABLE_H

// ---------------------------- External Headers ---------------------------- //

#include <iostream>
#include <pthread.h>

using namespace std;

class Monitorable
{
    private:
        // The status interval
        unsigned int status_interval;

        // Whether or not we are monitoring status
        bool monitoring;

        // Whether or not we are allowing monitoring
        bool allow_monitoring;

        // The thread data
        void* thread_data[3];

        // The thread
        pthread_t thread;

    protected:
        // The current status
        double status;

        // The status stream
        ostream* status_out;

        void startStatusMonitoring();
        void stopStatusMonitoring();

    public:
        Monitorable();
        Monitorable(const Monitorable& src);
        virtual ~Monitorable();
        Monitorable& operator =(const Monitorable& rhs);
        void enableStatusMonitoring(ostream* status_out);
        void disableStatusMonitoring();
        void setStatusInterval(unsigned int status_interval);
};

#endif