/*

 * This file is part of PowerDNS or dnsdist.

 * Copyright -- PowerDNS.COM B.V. and its contributors

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of version 2 of the GNU General Public License as

 * published by the Free Software Foundation.

 *

 * In addition, for the avoidance of any doubt, permission is granted to

 * link this program with OpenSSL and to (re)distribute the binaries

 * produced as the result of such linking.

 *

 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#pragma once

#include <functional>

#include <unordered_map>

#include <string>

#include <tuple>

#include "lock.hh"

struct DNSQuestion;

namespace dnsdist::QueryCount

{

struct Configuration

{

  using Filter = std::function<std::tuple<bool, std::string>(const DNSQuestion* dq)>;

  Configuration() = default;

  Filter d_filter;

  bool d_enabled{false};

};

using Records = std::unordered_map<std::string, unsigned int>;

extern SharedLockGuarded<Records> g_queryCountRecords;

}