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/****************************************************************************
**
** Copyright (C) 2013 Jolla Ltd
** Contact: lorn.potter@gmail.com
**
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
****************************************************************************/
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#include <QtCore/QCoreApplication>
#include <QTimer>
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#include <QtGlobal>
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#include <QDebug>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
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#include <unistd.h>
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#include "qconnectionagent.h"
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#include "connectiond_adaptor.h"
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static void signal_handler(int signum)
{
    switch(signum) {
    case SIGHUP: exit(EXIT_FAILURE); break;
    case SIGTERM: exit(EXIT_SUCCESS); exit(0); break;
    }
}

static void daemonize(void)
{
    pid_t pid, sid;
    int fd;

    if ( getppid() == 1 ) return;

    signal(SIGHUP,signal_handler);
    signal(SIGTERM,signal_handler);

    pid = fork();
    if (pid < 0) {
        exit(EXIT_FAILURE);
    }

    if (pid > 0) {
        exit(EXIT_SUCCESS);
    }

    sid = setsid();
    if (sid < 0) {
        exit(EXIT_FAILURE);
    }
    if ((chdir("/")) < 0) {
        exit(EXIT_FAILURE);
    }

    fd = open("/dev/null",O_RDWR, 0);

    if (fd != -1) {
        dup2 (fd, STDIN_FILENO);
        dup2 (fd, STDOUT_FILENO);
        dup2 (fd, STDERR_FILENO);

        if (fd > 2) {
            close (fd);
        }
    }

    umask(027);
}
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static QtMessageHandler previousMessageHandler;
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static bool toggleDebug;
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void messageOutput(QtMsgType type, const QMessageLogContext &context, const QString &str)
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{
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    if (toggleDebug)
        previousMessageHandler(type,context,str);
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}
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Q_DECL_EXPORT int main(int argc, char *argv[])
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{
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    previousMessageHandler = qInstallMessageHandler(messageOutput);
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    if (argc > 1) {
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        if (strcmp(argv[1],"-n") == 0) { //nodaemon
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            daemonize();
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        } else if (strcmp(argv[1],"-d") == 0) { //debug
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            toggleDebug = true;
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        }
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    }
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    QCoreApplication::setOrganizationName("nemomobile");
    QCoreApplication::setOrganizationDomain("org.nemomobile");
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    QCoreApplication::setApplicationName("connectionagent");
    QCoreApplication::setApplicationVersion("1.0");

    QCoreApplication a(argc, argv);
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    QConnectionAgent agent;
    if (!agent.isValid()) {
        qDebug() << "Connectionagent service failed to register. Exiting now";
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        return 1;
    }
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    return a.exec();
}