ipv6questions.patch

Index: pdns/syncres.hh
===================================================================
--- pdns/syncres.hh	(Revision 2905)
+++ pdns/syncres.hh	(Arbeitskopie)
@@ -460,6 +460,7 @@
   uint64_t answers0_1, answers1_10, answers10_100, answers100_1000, answersSlow;
   uint64_t avgLatencyUsec;
   uint64_t qcounter;
+  uint64_t ipv6qcounter;
   uint64_t tcpqcounter;
   uint64_t unauthorizedUDP;
   uint64_t unauthorizedTCP;
Index: pdns/docs/pdns.xml
===================================================================
--- pdns/docs/pdns.xml	(Revision 2905)
+++ pdns/docs/pdns.xml	(Arbeitskopie)
@@ -12999,6 +12999,7 @@
 packetcache-misses  Packet cache misses (since 3.2)
 qa-latency          shows the current latency average, in microseconds
 questions           counts all End-user initiated queries with the RD bit set
+ipv6-questions      counts all End-user initiated queries with the RD bit set, received over IPv6 UDP
 resource-limits     counts number of queries that could not be performed because of resource limits
 server-parse-errors counts number of server replied packets that could not be parsed
 servfail-answers    counts the number of times it answered SERVFAIL since starting
Index: pdns/pdns_recursor.cc
===================================================================
--- pdns/pdns_recursor.cc	(Revision 2905)
+++ pdns/pdns_recursor.cc	(Arbeitskopie)
@@ -816,6 +816,8 @@
 string* doProcessUDPQuestion(const std::string& question, const ComboAddress& fromaddr, int fd)
 {
   ++g_stats.qcounter;
+  if(fromaddr.sin4.sin_family==AF_INET6)
+     g_stats.ipv6qcounter++;
 
   string response;
   try {
Index: pdns/rec_channel_rec.cc
===================================================================
--- pdns/rec_channel_rec.cc	(Revision 2905)
+++ pdns/rec_channel_rec.cc	(Arbeitskopie)
@@ -402,6 +402,7 @@
 RecursorControlParser::RecursorControlParser()
 {
   addGetStat("questions", &g_stats.qcounter);
+  addGetStat("ipv6questions", &g_stats.ipv6qcounter);
   addGetStat("tcp-questions", &g_stats.tcpqcounter);
 
   addGetStat("cache-hits", doGetCacheHits);