//=-------------------------------------------------------------------------=//
//  Scheduler definition                                                     //
//                                                                           //
//  Copyright © 2021 Libre en Communs (contact@a-lec.org)                    //
//  Copyright © 2021 Adrien Bourmault (neox@a-lec.org)                       //
//                                                                           //
//  This file is part of gem-graph.                                          //
//                                                                           //
//  This program is free software: you can redistribute it and/or modify     //
//  it under the terms of the GNU Affero General Public License as           //
//  published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.                      //
//                                                                           //
//  You should have received a copy of the GNU Affero General Public License //
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
//=-------------------------------------------------------------------------=//

#pragma once
#ifndef BASE_H
    #include "../include/base.h"
#endif

#include <sys/sysinfo.h>

#include "../include/worker.h"
#include "../include/model.h"

/* -------------------------------------------------------------------------- */

enum
{
    // quitting values
    SCHED_NORMAL_EXIT,
    SCHED_OMP_ERROR,
    SCHED_UNKNOWN_ERROR,

    // non-quitting / non-fatal errors
    SCHED_NON_FATAL_ERRORS, //meta-code
    SCHED_MODEL_ERROR,

    SCHED_CONTINUE
};

struct scheduler_t
{
    int id;
    int n_workers;
    int pleaseStop;

    struct model_t **models;
    struct worker_t **workers;
};

// -------------------------------------------------------------------------- //
// Scheduler main function                                                    //
// -------------------------------------------------------------------------- //
int sched_start (struct scheduler_t *scheduler, struct parameters_t *parameters);

// -------------------------------------------------------------------------- //
// Scheduler content destructor function                                      //
// -------------------------------------------------------------------------- //
// static inline void sched_clean (scheduler_t *scheduler)
// {
//     assert(scheduler);

//     if (scheduler->globalDrawingSpace) {
//         if (scheduler->globalDrawingSpace->space) {
//             free(scheduler->globalDrawingSpace->space);
//             scheduler->globalDrawingSpace->space = NULL;
//         }
//         free(scheduler->globalDrawingSpace);
//         scheduler->globalDrawingSpace = NULL;
//     }

//     if (scheduler->arrowArray) {
//         if (scheduler->arrowArray->array) {
//             free(scheduler->arrowArray->array);
//             scheduler->arrowArray->array = NULL;
//         }
//         free(scheduler->arrowArray);
//         scheduler->arrowArray = NULL;
//     }
// }

// -------------------------------------------------------------------------- //
// Scheduler destructor function                                              //
// -------------------------------------------------------------------------- //
// static inline void sched_shutdown (scheduler_t *scheduler)
// {
//     assert(scheduler);
//     free(scheduler);
//     scheduler = NULL;
// }