/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *  Copyright (C) 2016 Simon Stuerz <simon.stuerz@guh.guru>                *
 *                                                                         *
 *  This file is part of guh.                                              *
 *                                                                         *
 *  Guh 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, version 2 of the License.                *
 *                                                                         *
 *  Guh 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 guh. If not, see <http://www.gnu.org/licenses/>.            *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "guhapplication.h"
#include "loggingcategories.h"
#include "guhcore.h"

#include "unistd.h"
#include "signal.h"

namespace guhserver {

static void catchUnixSignals(const std::vector<int>& quitSignals, const std::vector<int>& ignoreSignals = std::vector<int>()) {

    auto handler = [](int sig) ->void {
        switch (sig) {
        case SIGQUIT:
            qCDebug(dcApplication) << "Cought SIGQUIT quit signal...";
            break;
        case SIGINT:
            qCDebug(dcApplication) << "Cought SIGINT quit signal...";
            break;
        case SIGTERM:
            qCDebug(dcApplication) << "Cought SIGTERM quit signal...";
            break;
        case SIGHUP:
            qCDebug(dcApplication) << "Cought SIGHUP quit signal...";
            break;
        default:
            break;
        }

        qCDebug(dcApplication) << "=====================================";
        qCDebug(dcApplication) << "Shutting down guh daemon";
        qCDebug(dcApplication) << "=====================================";

        GuhCore::instance()->destroy();
        GuhApplication::quit();
    };

    // all these signals will be ignored.
    for (int sig : ignoreSignals)
        signal(sig, SIG_IGN);

    for (int sig : quitSignals)
        signal(sig, handler);
}


GuhApplication::GuhApplication(int &argc, char **argv) :
    QCoreApplication(argc, argv)
{
    catchUnixSignals({SIGQUIT, SIGINT, SIGTERM, SIGHUP});
}

}