pdns/ixfrutils.hh

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #pragma once
  23
  24 #include <sys/types.h>
  25
  26 #include <boost/multi_index_container.hpp>
  27 #include <boost/multi_index/key_extractors.hpp>
  28 #include <boost/multi_index/ordered_index.hpp>
  29 #include <boost/multi_index/mem_fun.hpp>
  30
  31 #include "dnsparser.hh"
  32 #include "dnsrecords.hh"
  33
  34 using namespace boost::multi_index;
  35
  36 struct CIContentCompareStruct
  37 {
  38   bool operator()(const shared_ptr<const DNSRecordContent>&a, const shared_ptr<const DNSRecordContent>& b) const
  39   {
  40     return toLower(a->getZoneRepresentation()) < toLower(b->getZoneRepresentation());
  41   }
  42 };
  43
  44
  45 typedef multi_index_container <
  46   DNSRecord,
  47     indexed_by<
  48       ordered_non_unique<
  49         composite_key<DNSRecord,
  50                       member<DNSRecord, DNSName, &DNSRecord::d_name>,
  51                       member<DNSRecord, uint16_t, &DNSRecord::d_type>,
  52                       member<DNSRecord, uint16_t, &DNSRecord::d_class>,
  53                       BOOST_MULTI_INDEX_CONST_MEM_FUN(DNSRecord, const shared_ptr<const DNSRecordContent>&, getContent) >,
  54         composite_key_compare<CanonDNSNameCompare, std::less<uint16_t>, std::less<uint16_t>, CIContentCompareStruct >
  55       > /* ordered_non_uniquw */
  56     > /* indexed_by */
  57 > /* multi_index_container */ records_t;
  58
  59 uint32_t getSerialFromPrimary(const ComboAddress& primary, const DNSName& zone, shared_ptr<const SOARecordContent>& sr, const TSIGTriplet& tt = TSIGTriplet(), const uint16_t timeout = 2);
  60 uint32_t getSerialFromDir(const std::string& dir);
  61 uint32_t getSerialFromRecords(const records_t& records, DNSRecord& soaret);
  62 void writeZoneToDisk(const records_t& records, const DNSName& zone, const std::string& directory);
  63 void loadZoneFromDisk(records_t& records, const string& fname, const DNSName& zone);
  64 void loadSOAFromDisk(const DNSName& zone, const string& fname, shared_ptr<const SOARecordContent>& soa, uint32_t& soaTTL);