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/*
* 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 "iputils.hh"
#include "dnsrecords.hh"
struct SortListOrder
{
NetmaskTree<int> d_orders;
};
struct SortListOrderCmp
{
SortListOrderCmp(SortListOrder slo) : d_slo(slo) {}
bool operator()(const ComboAddress& a, const ComboAddress& b) const;
bool operator()(const DNSRecord& a, const DNSRecord& b) const;
const SortListOrder d_slo;
};
class SortList {
public:
void clear();
void addEntry(const Netmask& covers, const Netmask& answermask, int order=-1);
int getMaxOrder(const Netmask& formask) const;
std::unique_ptr<SortListOrderCmp> getOrderCmp(const ComboAddress& who) const;
private:
NetmaskTree<SortListOrder> d_sortlist;
};
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