pdns/anadns.hh

   1 #ifndef PDNS_ANADNS_HH
   2 #define PDNS_ANADNS_HH
   3 #include <boost/tuple/tuple.hpp>
   4 #include <boost/tuple/tuple_comparison.hpp>
   5 #include <string>
   6 #include <netinet/ip.h>
   7 #include <netinet/udp.h>
   8 #include "dnsparser.hh"
   9 #include "iputils.hh"
  10 #include "namespaces.hh"
  11 #include "namespaces.hh"
  12
  13 struct QuestionIdentifier
  14 {
  15   QuestionIdentifier()
  16   {}
  17
  18   bool operator<(const QuestionIdentifier& rhs) const
  19   {
  20     return
  21       tie(d_source, d_dest, d_qname, d_qtype, d_id) <
  22       tie(rhs.d_source, rhs.d_dest, rhs.d_qname, rhs.d_qtype, rhs.d_id);
  23   }
  24
  25   // the canonical direction is that of the question
  26   static QuestionIdentifier create(const ComboAddress& src, const ComboAddress& dst, const MOADNSParser& mdp)
  27   {
  28     QuestionIdentifier ret;
  29
  30     if(mdp.d_header.qr) {
  31       ret.d_source = dst;
  32       ret.d_dest = src;
  33     }
  34     else {
  35       ret.d_source = src;
  36       ret.d_dest = dst;
  37     }
  38     ret.d_qname=mdp.d_qname;
  39     ret.d_qtype=mdp.d_qtype;
  40     ret.d_id=mdp.d_header.id;
  41     return ret;
  42   }
  43
  44   ComboAddress d_source, d_dest;
  45
  46   string d_qname;
  47   uint16_t d_qtype;
  48   uint16_t d_id;
  49 };
  50
  51 inline ostream& operator<<(ostream &s, const QuestionIdentifier& qi)
  52 {
  53   s<< "'"<<qi.d_qname<<"|"<<DNSRecordContent::NumberToType(qi.d_qtype)<<"', with id " << qi.d_id <<" from "<<qi.d_source.toStringWithPort();
  54
  55   s<<" to " << qi.d_dest.toStringWithPort();
  56   return s;
  57 }
  58
  59
  60 #endif