pdns/responsestats.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 #include "misc.hh"
  24 #include "dnspacket.hh"
  25
  26 class ResponseStats
  27 {
  28 public:
  29   ResponseStats();
  30
  31   void submitResponse(DNSPacket &p, bool udpOrTCP);
  32   void submitResponse(uint16_t qtype, uint16_t respsize, bool udpOrTCP);
  33   void submitResponse(uint16_t qtype, uint16_t respsize, uint8_t rcode, bool udpOrTCP);
  34   map<uint16_t, uint64_t> getQTypeResponseCounts();
  35   map<uint16_t, uint64_t> getSizeResponseCounts();
  36   map<uint8_t, uint64_t> getRCodeResponseCounts();
  37   string getQTypeReport();
  38
  39 private:
  40   boost::scoped_array<std::atomic<unsigned long>> d_qtypecounters;
  41   boost::scoped_array<std::atomic<unsigned long>> d_rcodecounters;
  42   typedef vector<pair<uint16_t, uint64_t> > sizecounters_t;
  43   sizecounters_t d_sizecounters;
  44 };
  45
  46 extern ResponseStats g_rs;