nymea/server/main.cpp

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* 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 <QCoreApplication>
#include <guhcore.h>
#include <QtPlugin>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
void daemonizeGuh() {
// Our process ID and Session ID
pid_t pid, sid;
// Fork off the parent process
pid = fork();
if (pid < 0) {
exit(EXIT_FAILURE);
}
// If we got a good PID, then we can exit the parent process.
if (pid > 0) {
exit(EXIT_SUCCESS);
}
// Change the file mode mask
umask(0);
// Create a new SID for the child process
sid = setsid();
if (sid < 0) {
// Log the failure
exit(EXIT_FAILURE);
}
// Change the current working directory
if ((chdir("/")) < 0) {
/* Log the failure */
exit(EXIT_FAILURE);
}
// Close out the standard file descriptors
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QStringList arguments = a.arguments();
if (arguments.contains("-h") || arguments.contains("--help")) {
qDebug() << "guhd" << GUH_VERSION_STRING << "(C) 2014-2015 guh" ;
qDebug() << "Released under the GNU GENERAL PUBLIC LICENSE Version 2";
qDebug() << "";
qDebug() << "guh (/[guːh]/ - pronounced German and sounds like \"goo\") is an open source";
qDebug() << "home automation server, which allows to control a lot of different devices ";
qDebug() << "from many different manufacturers.";
qDebug() << "";
qDebug() << "options:";
qDebug() << " -h, --help print this help message";
qDebug() << " -v, --version print version";
qDebug() << " -e, --executable start guh as application, not as daemon";
qDebug() << "";
exit(0);
}
if (arguments.contains("-v") || arguments.contains("--version")) {
qDebug() << GUH_VERSION_STRING;
exit(0);
}
if (!arguments.contains("-e") && !arguments.contains("--executable")) {
qDebug() << "Starting guhd as daemon.";
daemonizeGuh();
} else {
qDebug() << "Starting guhd as executable application.";
}
a.setOrganizationName("guh");
GuhCore::instance();
return a.exec();
}