mirror of
https://github.com/arcan1s/queued.git
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114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/*
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* Copyright (c) 2016 Evgeniy Alekseev
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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*
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*/
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#include <QCommandLineParser>
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#include <QCoreApplication>
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#include <QDBusConnection>
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#include <QDBusMessage>
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#include <queued/Queued.h>
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#include "QueuedApplication.h"
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#include "version.h"
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extern "C" {
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#include <unistd.h>
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}
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bool existingSessionOperation(const QString &operation)
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{
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QVariantList arguments = QueuedCoreAdaptor::sendRequest(
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QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_APPLICATION_PATH,
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QueuedConfig::DBUS_SERVICE, operation, QVariantList());
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return (!arguments.isEmpty() && arguments.at(0).type() == QVariant::Bool
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&& arguments[0].toBool());
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}
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int main(int argc, char *argv[])
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{
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// HACK preparse arguments to find out if --daemon is set
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for (int i = 0; i < argc; i++) {
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if (std::string(argv[i]) != "--daemon")
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continue;
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::daemon(0, 0);
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}
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QCoreApplication app(argc, argv);
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app.setApplicationName(NAME);
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app.setApplicationVersion(VERSION);
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// parser
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QCommandLineParser parser;
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parser.setApplicationDescription(
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"Daemon for starting jobs to queue of calculations");
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parser.addHelpOption();
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parser.addVersionOption();
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// info
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QCommandLineOption infoOption(QStringList() << "i"
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<< "info",
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"Show additional info.");
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parser.addOption(infoOption);
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// configuration option
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QCommandLineOption configOption(QStringList() << "c"
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<< "config",
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"Read initial configuration from file.",
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"config", QueuedSettings::defaultPath());
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parser.addOption(configOption);
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// debug mode
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QCommandLineOption debugOption(QStringList() << "d"
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<< "debug",
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"Print debug information.");
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parser.addOption(debugOption);
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// daemon mode
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QCommandLineOption daemonOption(QStringList() << "daemon",
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"Start detached.");
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parser.addOption(daemonOption);
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parser.process(app);
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// show info and exit
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if (parser.isSet(infoOption)) {
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QueuedDebug::enableDebug();
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auto metadata = QueuedDebug::getBuildData();
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for (auto &string : metadata)
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qCInfo(LOG_APP) << string;
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}
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// check if exists
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if (existingSessionOperation(QString("Active"))) {
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qCWarning(LOG_APP) << "Another session is active";
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return 1;
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}
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// enable debug
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if (parser.isSet(debugOption))
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QueuedDebug::enableDebug();
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// build initial options hash
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QVariantHash arguments = {{"config", parser.value(configOption)}};
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// start application
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QueuedApplication instance(nullptr, arguments);
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return app.exec();
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}
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