pdns/test-recpacketcache_cc.cc

   1 #define BOOST_TEST_DYN_LINK
   2 #define BOOST_TEST_NO_MAIN
   3
   4 #ifdef HAVE_CONFIG_H
   5 #include "config.h"
   6 #endif
   7 #include <boost/test/unit_test.hpp>
   8 #include "dnswriter.hh"
   9 #include "dnsrecords.hh"
  10 #include "dns_random.hh"
  11 #include "iputils.hh"
  12 #include "recpacketcache.hh"
  13 #include <utility>
  14
  15
  16 BOOST_AUTO_TEST_SUITE(recpacketcache_cc)
  17
  18 BOOST_AUTO_TEST_CASE(test_recPacketCacheSimple) {
  19   RecursorPacketCache rpc;
  20   string fpacket;
  21   int tag=0;
  22   uint32_t age=0;
  23   uint32_t qhash=0;
  24   uint32_t ttd=3600;
  25   BOOST_CHECK_EQUAL(rpc.size(), 0);
  26
  27   DNSName qname("www.powerdns.com");
  28   vector<uint8_t> packet;
  29   DNSPacketWriter pw(packet, qname, QType::A);
  30   pw.getHeader()->rd=true;
  31   pw.getHeader()->qr=false;
  32   pw.getHeader()->id=random();
  33   string qpacket((const char*)&packet[0], packet.size());
  34   pw.startRecord(qname, QType::A, ttd);
  35
  36   BOOST_CHECK_EQUAL(rpc.getResponsePacket(tag, qpacket, time(nullptr), &fpacket, &age, &qhash), false);
  37   BOOST_CHECK_EQUAL(rpc.getResponsePacket(tag, qpacket, qname, QType::A, QClass::IN, time(nullptr), &fpacket, &age, &qhash), false);
  38
  39   ARecordContent ar("127.0.0.1");
  40   ar.toPacket(pw);
  41   pw.commit();
  42   string rpacket((const char*)&packet[0], packet.size());
  43
  44   rpc.insertResponsePacket(tag, qhash, qname, QType::A, QClass::IN, rpacket, time(0), ttd);
  45   BOOST_CHECK_EQUAL(rpc.size(), 1);
  46   rpc.doPruneTo(0);
  47   BOOST_CHECK_EQUAL(rpc.size(), 0);
  48   rpc.insertResponsePacket(tag, qhash, qname, QType::A, QClass::IN, rpacket, time(0), ttd);
  49   BOOST_CHECK_EQUAL(rpc.size(), 1);
  50   rpc.doWipePacketCache(qname);
  51   BOOST_CHECK_EQUAL(rpc.size(), 0);
  52
  53   rpc.insertResponsePacket(tag, qhash, qname, QType::A, QClass::IN, rpacket, time(0), ttd);
  54   uint32_t qhash2 = 0;
  55   bool found = rpc.getResponsePacket(tag, qpacket, time(nullptr), &fpacket, &age, &qhash2);
  56   BOOST_CHECK_EQUAL(found, true);
  57   BOOST_CHECK_EQUAL(qhash, qhash2);
  58   BOOST_CHECK_EQUAL(fpacket, rpacket);
  59   found = rpc.getResponsePacket(tag, qpacket, qname, QType::A, QClass::IN, time(nullptr), &fpacket, &age, &qhash2);
  60   BOOST_CHECK_EQUAL(found, true);
  61   BOOST_CHECK_EQUAL(qhash, qhash2);
  62   BOOST_CHECK_EQUAL(fpacket, rpacket);
  63
  64   packet.clear();
  65   qname+=DNSName("co.uk");
  66   DNSPacketWriter pw2(packet, qname, QType::A);
  67
  68   pw2.getHeader()->rd=true;
  69   pw2.getHeader()->qr=false;
  70   pw2.getHeader()->id=random();
  71   qpacket.assign((const char*)&packet[0], packet.size());
  72
  73   found = rpc.getResponsePacket(tag, qpacket, time(nullptr), &fpacket, &age, &qhash);
  74   BOOST_CHECK_EQUAL(found, false);
  75   found = rpc.getResponsePacket(tag, qpacket, qname, QType::A, QClass::IN, time(nullptr), &fpacket, &age, &qhash);
  76   BOOST_CHECK_EQUAL(found, false);
  77
  78   rpc.doWipePacketCache(DNSName("com"), 0xffff, true);
  79   BOOST_CHECK_EQUAL(rpc.size(), 0);
  80 }
  81
  82 BOOST_AUTO_TEST_SUITE_END()