/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                               *
 * Copyright (C) 2018 Simon Stürz <simon.stuerz@guh.io>                          *
 *                                                                               *
 * This file is part of nymea-remoteproxy.                                       *
 *                                                                               *
 * This program 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.                                           *
 *                                                                               *
 * 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 General Public License for more details.                                  *
 *                                                                               *
 * You should have received a copy of the GNU General Public License             *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.         *
 *                                                                               *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "remoteproxyserverapplication.h"
#include "loggingcategories.h"
#include "engine.h"

#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include <cxxabi.h>

using namespace remoteproxy;

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;
        case SIGSEGV: {
            qCDebug(dcApplication()) << "Cought SIGSEGV signal. Segmentation fault!";
            exit(1);
        }
        default:
            break;
        }

        qCDebug(dcApplication()) << "==========================================================";
        qCDebug(dcApplication) << "Shutting down nymea-remoteproxy";
        qCDebug(dcApplication()) << "==========================================================";

        Engine::instance()->destroy();
        RemoteProxyServerApplication::quit();
    };

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

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

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