pdns/ixfrdist-stats.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 <atomic>
  24 #include <map>
  25 #include <string>
  26
  27 #include "dnsname.hh"
  28 #include "pdnsexception.hh"
  29
  30 class ixfrdistStats {
  31   public:
  32     ixfrdistStats() {
  33       progStats.startTime = time(nullptr);
  34     }
  35
  36     std::string getStats();
  37
  38     void setSOASerial(const DNSName& d, const uint32_t serial) {
  39       auto stat = getRegisteredDomain(d);
  40       stat->second.currentSOA = serial;
  41       stat->second.haveZone = true;
  42     }
  43     void incrementSOAChecks(const DNSName& d, const uint64_t amount = 1) {
  44       getRegisteredDomain(d)->second.numSOAChecks += amount;
  45     }
  46     void incrementSOAChecksFailed(const DNSName& d, const uint64_t amount = 1) {
  47       getRegisteredDomain(d)->second.numSOAChecksFailed += amount;
  48     }
  49     void incrementSOAinQueries(const DNSName& d, const uint64_t amount = 1) {
  50       getRegisteredDomain(d)->second.numSOAinQueries += amount;
  51     }
  52     void incrementAXFRinQueries(const DNSName& d, const uint64_t amount = 1) {
  53       getRegisteredDomain(d)->second.numAXFRinQueries += amount;
  54     }
  55     void incrementIXFRinQueries(const DNSName& d, const uint64_t amount = 1) {
  56       getRegisteredDomain(d)->second.numIXFRinQueries += amount;
  57     }
  58     void incrementAXFRFailures(const DNSName& d, const uint64_t amount = 1) {
  59       getRegisteredDomain(d)->second.numAXFRFailures += amount;
  60     }
  61     void incrementIXFRFailures(const DNSName& d, const uint64_t amount = 1) {
  62       getRegisteredDomain(d)->second.numIXFRFailures += amount;
  63     }
  64     void registerDomain(const DNSName& d) {
  65       domainStats[d].haveZone = false;
  66     }
  67   private:
  68     class perDomainStat {
  69       public:
  70         bool                  haveZone;
  71         std::atomic<uint32_t> currentSOA; // NOTE: this will wrongly be zero for unavailable zones
  72
  73         std::atomic<uint32_t> numSOAChecks;
  74         std::atomic<uint32_t> numSOAChecksFailed;
  75
  76         std::atomic<uint64_t> numSOAinQueries;
  77         std::atomic<uint64_t> numAXFRinQueries;
  78         std::atomic<uint64_t> numIXFRinQueries;
  79
  80         std::atomic<uint64_t> numAXFRFailures;
  81         std::atomic<uint64_t> numIXFRFailures;
  82     };
  83     class programStats {
  84       public:
  85         time_t startTime;
  86     };
  87
  88     std::map<DNSName, perDomainStat> domainStats;
  89     programStats progStats;
  90
  91     std::map<DNSName, perDomainStat>::iterator getRegisteredDomain(const DNSName& d) {
  92       auto ret = domainStats.find(d);
  93       if (ret == domainStats.end()) {
  94         throw PDNSException("Domain '" + d.toLogString() + "' not defined in the statistics map");
  95       }
  96       return ret;
  97     };
  98 };