pdns/statnode.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 "dnsname.hh"
  24 #include <deque>
  25 #include <map>
  26 #include "iputils.hh"
  27
  28 class StatNode
  29 {
  30 public:
  31   void submit(const DNSName& domain, int rcode, const ComboAddress& remote);
  32   void submit(std::deque<std::string>& labels, const std::string& domain, int rcode, const ComboAddress& remote);
  33
  34   std::string name;
  35   std::string fullname;
  36   struct Stat
  37   {
  38     Stat() : queries(0), noerrors(0), nxdomains(0), servfails(0), drops(0){}
  39     int queries, noerrors, nxdomains, servfails, drops;
  40
  41     Stat& operator+=(const Stat& rhs) {
  42       queries+=rhs.queries;
  43       noerrors+=rhs.noerrors;
  44       nxdomains+=rhs.nxdomains;
  45       servfails+=rhs.servfails;
  46       drops+=rhs.drops;
  47
  48       for(const remotes_t::value_type& rem :  rhs.remotes) {
  49         remotes[rem.first]+=rem.second;
  50       }
  51       return *this;
  52     }
  53 typedef std::map<ComboAddress,int,ComboAddress::addressOnlyLessThan> remotes_t;
  54     remotes_t remotes;
  55   };
  56
  57   Stat s;
  58   Stat print(int depth=0, Stat newstat=Stat(), bool silent=false) const;
  59   typedef boost::function<void(const StatNode*, const Stat& selfstat, const Stat& childstat)> visitor_t;
  60   void visit(visitor_t visitor, Stat& newstat, int depth=0) const;
  61   typedef std::map<std::string,StatNode, CIStringCompare> children_t;
  62   children_t children;
  63
  64 };