icinga2/lib/config/configfragment.hpp

/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012-2018 Icinga Development Team (https://icinga.com/)      *
 *                                                                            *
 * 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 2             *
 * 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, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#ifndef CONFIGFRAGMENT_H
#define CONFIGFRAGMENT_H

#include "config/configcompiler.hpp"
#include "base/initialize.hpp"
#include "base/debug.hpp"
#include "base/exception.hpp"
#include "base/application.hpp"

/* Ensure that the priority is lower than the basic namespace initialization in scriptframe.cpp. */
#define REGISTER_CONFIG_FRAGMENT(name, fragment) \
	INITIALIZE_ONCE_WITH_PRIORITY([]() { \
		std::unique_ptr<icinga::Expression> expression = icinga::ConfigCompiler::CompileText(name, fragment); \
		VERIFY(expression); \
		try { \
			icinga::ScriptFrame frame(true); \
			expression->Evaluate(frame); \
		} catch (const std::exception& ex) { \
			std::cerr << icinga::DiagnosticInformation(ex) << std::endl; \
			icinga::Application::Exit(1); \
		} \
	}, 5)

#endif /* CONFIGFRAGMENT_H */