/*
    Flexisip, a flexible SIP proxy server with media capabilities.
    Copyright (C) 2010-2025 Belledonne Communications SARL, All rights reserved.

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include <flexisip/common.hh>

#include <map>
#include <string>

namespace flexisip {

class EtcHostsResolver {
public:
	static EtcHostsResolver* get();
	bool resolve(const std::string& name, std::string* result) const;
	void setHost(const std::string& name, const std::string& result);

private:
	static constexpr std::string_view mLogPrefix{"EtcHostsResolver"};

	static EtcHostsResolver* sInstance;

	EtcHostsResolver();
	static void atexit(); // Don't call directly!

	std::map<std::string, std::string> mMap;
	std::map<std::string, std::string> mOverrideMap;
};

} // namespace flexisip