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Merge branch '1183-simplify-cachedb-rrset-stats-counters' into 'master'

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Simplify cachedb rrset statistic counters

Closes #1183

See merge request isc-projects/bind9!2897
This commit is contained in:
Matthijs Mekking
2020-02-04 11:19:24 +00:00
parent 59a1e5564d 7135ef78ee
commit 830d40b36e
6 changed files with 296 additions and 116 deletions
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10
bin/tests/system/serve-stale/ans2/ans.pl
View File

@@ -47,6 +47,7 @@ my $A = "ns.example 300 IN A $localaddr";
# #
my $TXT = "data.example 1 IN TXT \"A text record with a 1 second ttl\""; my $TXT = "data.example 1 IN TXT \"A text record with a 1 second ttl\"";
my $LONGTXT = "longttl.example 600 IN TXT \"A text record with a 600 second ttl\""; my $LONGTXT = "longttl.example 600 IN TXT \"A text record with a 600 second ttl\"";
my $CAA = "othertype.example 1 IN CAA 0 issue \"ca1.example.net\"";
my $negSOA = "example 1 IN SOA . . 0 0 0 0 300"; my $negSOA = "example 1 IN SOA . . 0 0 0 0 300";
sub reply_handler { sub reply_handler {
@@ -129,6 +130,15 @@ sub reply_handler {
my $rr = new Net::DNS::RR($negSOA); my $rr = new Net::DNS::RR($negSOA);
push @auth, $rr; push @auth, $rr;
$rcode = "NXDOMAIN"; $rcode = "NXDOMAIN";
} elsif ($qname eq "othertype.example") {
if ($qtype eq "CAA") {
my $rr = new Net::DNS::RR($CAA);
push @ans, $rr;
} else {
my $rr = new Net::DNS::RR($negSOA);
push @auth, $rr;
}
$rcode = "NOERROR";
} else { } else {
my $rr = new Net::DNS::RR($SOA); my $rr = new Net::DNS::RR($SOA);
push @auth, $rr; push @auth, $rr;

2
bin/tests/system/serve-stale/ns1/named2.conf.in
View File

@@ -27,7 +27,7 @@ options {
listen-on { 10.53.0.1; }; listen-on { 10.53.0.1; };
listen-on-v6 { none; }; listen-on-v6 { none; };
recursion yes; recursion yes;
max-stale-ttl 35; max-stale-ttl 45;
stale-answer-ttl 3; stale-answer-ttl 3;
stale-answer-enable yes; stale-answer-enable yes;
}; };

157
bin/tests/system/serve-stale/tests.sh
View File

@@ -30,6 +30,7 @@ n=0
#$DIG -p ${PORT} @10.53.0.2 data.example TXT #$DIG -p ${PORT} @10.53.0.2 data.example TXT
#$DIG -p ${PORT} @10.53.0.2 nodata.example TXT #$DIG -p ${PORT} @10.53.0.2 nodata.example TXT
#$DIG -p ${PORT} @10.53.0.2 nxdomain.example TXT #$DIG -p ${PORT} @10.53.0.2 nxdomain.example TXT
#$DIG -p ${PORT} @10.53.0.2 othertype.example CAA
# #
# First test server with serve-stale options set. # First test server with serve-stale options set.
@@ -54,6 +55,15 @@ grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "prime cache othertype.example ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "prime cache nodata.example ($n)" echo_i "prime cache nodata.example ($n)"
ret=0 ret=0
@@ -82,6 +92,7 @@ cp ns1/named.stats ns1/named.stats.$n
# Check first 10 lines of Cache DB statistics. After prime queries, we expect # Check first 10 lines of Cache DB statistics. After prime queries, we expect
# two active TXT one nxrrset TXT, and one NXDOMAIN. # two active TXT one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
@@ -126,6 +137,16 @@ awk '/; answer/ { x=$0; getline; print x, $0}' ns1/named_dump.db.test$n |
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example ($n)" echo_i "check stale nodata.example ($n)"
ret=0 ret=0
@@ -158,6 +179,7 @@ cp ns1/named.stats ns1/named.stats.$n
# stale NXDOMAIN. # stale NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
@@ -189,6 +211,14 @@ status=`expr $status + $ret`
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (serve-stale off) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (serve-stale off) ($n)" echo_i "check stale nodata.example (serve-stale off) ($n)"
ret=0 ret=0
@@ -230,6 +260,16 @@ grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (serve-stale on) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (serve-stale on) ($n)" echo_i "check stale nodata.example (serve-stale on) ($n)"
ret=0 ret=0
@@ -273,6 +313,14 @@ grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (serve-stale no) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (serve-stale no) ($n)" echo_i "check stale nodata.example (serve-stale no) ($n)"
ret=0 ret=0
@@ -314,6 +362,16 @@ grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (serve-stale yes) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (serve-stale yes) ($n)" echo_i "check stale nodata.example (serve-stale yes) ($n)"
ret=0 ret=0
@@ -366,6 +424,16 @@ grep "data\.example\..*2.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (serve-stale reset) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (serve-stale reset) ($n)" echo_i "check stale nodata.example (serve-stale reset) ($n)"
ret=0 ret=0
@@ -425,7 +493,7 @@ n=`expr $n + 1`
echo_i "check 'rndc serve-stale status' ($n)" echo_i "check 'rndc serve-stale status' ($n)"
ret=0 ret=0
$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1 $RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
grep '_default: off (rndc) (stale-answer-ttl=3 max-stale-ttl=35)' rndc.out.test$n > /dev/null || ret=1 grep '_default: off (rndc) (stale-answer-ttl=3 max-stale-ttl=45)' rndc.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -444,7 +512,7 @@ n=`expr $n + 1`
echo_i "check 'rndc serve-stale status' ($n)" echo_i "check 'rndc serve-stale status' ($n)"
ret=0 ret=0
$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1 $RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
grep '_default: on (rndc) (stale-answer-ttl=3 max-stale-ttl=35)' rndc.out.test$n > /dev/null || ret=1 grep '_default: on (rndc) (stale-answer-ttl=3 max-stale-ttl=45)' rndc.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -477,6 +545,15 @@ grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "prime cache othertype.example (low max-stale-ttl) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "prime cache nodata.example (low max-stale-ttl) ($n)" echo_i "prime cache nodata.example (low max-stale-ttl) ($n)"
ret=0 ret=0
@@ -506,6 +583,7 @@ cp ns1/named.stats ns1/named.stats.$n
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN. # two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -532,6 +610,16 @@ grep "data\.example\..*3.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check stale othertype.example (low max-stale-ttl) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*3.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check stale nodata.example (low max-stale-ttl) ($n)" echo_i "check stale nodata.example (low max-stale-ttl) ($n)"
ret=0 ret=0
@@ -565,8 +653,10 @@ cp ns1/named.stats ns1/named.stats.$n
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
@@ -581,6 +671,15 @@ grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check ancient othertype.example (low max-stale-ttl) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check ancient nodata.example (low max-stale-ttl) ($n)" echo_i "check ancient nodata.example (low max-stale-ttl) ($n)"
ret=0 ret=0
@@ -632,6 +731,16 @@ grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "prime cache othertype.example (max-stale-ttl default) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*1.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "prime cache nodata.example (max-stale-ttl default) ($n)" echo_i "prime cache nodata.example (max-stale-ttl default) ($n)"
ret=0 ret=0
@@ -663,6 +772,7 @@ cp ns3/named.stats ns3/named.stats.$n
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN. # two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "2 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 !TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 !TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 NXDOMAIN" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 NXDOMAIN" ns3/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -696,6 +806,15 @@ grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check fail of othertype.example (max-stale-ttl default) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$n
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check fail of nodata.example (max-stale-ttl default) ($n)" echo_i "check fail of nodata.example (max-stale-ttl default) ($n)"
ret=0 ret=0
@@ -727,8 +846,10 @@ cp ns3/named.stats ns3/named.stats.$n
grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1
grep "1 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #Others" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #!TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #!TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #NXDOMAIN" ns3/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #NXDOMAIN" ns3/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
@@ -757,6 +878,16 @@ grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check othertype.example (max-stale-ttl default) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "example\..*1.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check nodata.example (max-stale-ttl default) ($n)" echo_i "check nodata.example (max-stale-ttl default) ($n)"
ret=0 ret=0
@@ -810,6 +941,16 @@ grep "data\.example\..*1.*IN.*TXT.*A text record with a 1 second ttl" dig.out.te
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "prime cache othertype.example (serve-stale disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.4 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*1.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "prime cache nodata.example (serve-stale disabled) ($n)" echo_i "prime cache nodata.example (serve-stale disabled) ($n)"
ret=0 ret=0
@@ -841,6 +982,7 @@ cp ns4/named.stats ns4/named.stats.$n
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN. # two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "2 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 !TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 !TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -874,6 +1016,15 @@ grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret` status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check fail of othertype.example (serve-stale disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.4 othertype.example CAA > dig.out.test$n
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1` n=`expr $n + 1`
echo_i "check fail of nodata.example (serve-stale disabled) ($n)" echo_i "check fail of nodata.example (serve-stale disabled) ($n)"
ret=0 ret=0
@@ -905,6 +1056,7 @@ cp ns4/named.stats ns4/named.stats.$n
grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
grep "1 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #Others" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #!TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #!TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 #NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null || ret=1 grep "1 #NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null || ret=1
status=`expr $status + $ret` status=`expr $status + $ret`
@@ -960,6 +1112,7 @@ cp ns4/named.stats ns4/named.stats.$n
# everything to be removed or scheduled to be removed. # everything to be removed or scheduled to be removed.
grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1 grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
grep "#TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1 grep "#TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1
grep "#Others" ns4/named.stats.$n.cachedb > /dev/null && ret=1
grep "#!TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1 grep "#!TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1
grep "#NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null && ret=1 grep "#NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null && ret=1
status=`expr $status + $ret` status=`expr $status + $ret`

3
lib/dns/rbtdb.c
View File

@@ -1585,7 +1585,8 @@ clean_cache_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node) {
top_next = current->next; top_next = current->next;
clean_stale_headers(rbtdb, mctx, current); clean_stale_headers(rbtdb, mctx, current);
/* /*
* If current is nonexistent or stale, we can clean it up. * If current is nonexistent, ancient, or stale and
* we are not keeping stale, we can clean it up.
*/ */
if (NONEXISTENT(current) || ANCIENT(current) || if (NONEXISTENT(current) || ANCIENT(current) ||
(STALE(current) && ! KEEPSTALE(rbtdb))) { (STALE(current) && ! KEEPSTALE(rbtdb))) {

227
lib/dns/stats.c
View File

@@ -42,38 +42,57 @@ typedef enum {
/*% /*%
* It doesn't make sense to have 2^16 counters for all possible types since * It doesn't make sense to have 2^16 counters for all possible types since
* most of them won't be used. We have counters for the first 256 types and * most of them won't be used. We have counters for the first 256 types.
* those explicitly supported in the rdata implementation. *
* XXXJT: this introduces tight coupling with the rdata implementation. * A rdtypecounter is now 8 bits for RRtypes and 3 bits for flags:
* Ideally, we should have rdata handle this type of details. *
* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | | | | | | S |NX| RRType |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*
* If the 8 bits for RRtype are all zero, this is an Other RRtype.
*/ */
#define RDTYPECOUNTER_MAXTYPE 0x00ff
/* /*
* types, !types, nxdomain, stale types, stale !types, stale nxdomain, *
* ancient types, ancient !types, ancient nxdomain * Bit 7 is the NXRRSET (NX) flag and indicates whether this is a
* positive (0) or a negative (1) RRset.
*/ */
enum { #define RDTYPECOUNTER_NXRRSET 0x0100
/* For 0-255, we use the rdtype value as counter indices */
rdtypecounter_dlv = 256, /* for dns_rdatatype_dlv */ /*
rdtypecounter_others = 257, /* anything else */ * Then bit 5 and 6 mostly tell you if this counter is for an active,
rdtypecounter_max = 258, * stale, or ancient RRtype:
/* The following are used for nxrrset rdataset */ *
rdtypenxcounter_max = rdtypecounter_max * 2, * S = 0 (0b00) means Active
/* nxdomain counter */ * S = 1 (0b01) means Stale
rdtypecounter_nxdomain = rdtypenxcounter_max, * S = 2 (0b10) means Ancient
/* stale counters offset */ *
rdtypecounter_stale = rdtypecounter_nxdomain + 1, * Since a counter cannot be stale and ancient at the same time, we
rdtypecounter_stale_max = rdtypecounter_stale + rdtypecounter_max, * treat S = 0x11 as a special case to deal with NXDOMAIN counters.
rdtypenxcounter_stale_max = rdtypecounter_stale_max + rdtypecounter_max, */
rdtypecounter_stale_nxdomain = rdtypenxcounter_stale_max, #define RDTYPECOUNTER_STALE (1 << 9)
/* ancient counters offset */ #define RDTYPECOUNTER_ANCIENT (1 << 10)
rdtypecounter_ancient = rdtypecounter_stale_nxdomain + 1, #define RDTYPECOUNTER_NXDOMAIN ((1 << 9) | (1 << 10))
rdtypecounter_ancient_max = rdtypecounter_ancient + rdtypecounter_max,
rdtypenxcounter_ancient_max = rdtypecounter_ancient_max + /*
rdtypecounter_max, * S = 0x11 indicates an NXDOMAIN counter and in this case the RRtype
rdtypecounter_ancient_nxdomain = rdtypenxcounter_ancient_max, * field signals the expiry of this cached item:
/* limit of number counter types */ *
rdatasettypecounter_max = rdtypecounter_ancient_nxdomain + 1, * RRType = 0 (0b00) means Active
}; * RRType = 1 (0b01) means Stale
* RRType = 2 (0b02) means Ancient
*
*/
#define RDTYPECOUNTER_NXDOMAIN_STALE 1
#define RDTYPECOUNTER_NXDOMAIN_ANCIENT 2
/*
* The maximum value for rdtypecounter is for an ancient NXDOMAIN.
*/
#define RDTYPECOUNTER_MAXVAL 0x0602
/* dnssec maximum key id */ /* dnssec maximum key id */
static int dnssec_keyid_max = 65535; static int dnssec_keyid_max = 65535;
@@ -175,8 +194,12 @@ isc_result_t
dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp) { dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp) {
REQUIRE(statsp != NULL && *statsp == NULL); REQUIRE(statsp != NULL && *statsp == NULL);
return (create_stats(mctx, dns_statstype_rdtype, rdtypecounter_max, /*
statsp)); * Create rdtype statistics for the first 255 RRtypes,
* plus one additional for other RRtypes.
*/
return (create_stats(mctx, dns_statstype_rdtype,
(RDTYPECOUNTER_MAXTYPE+1), statsp));
} }
isc_result_t isc_result_t
@@ -184,7 +207,7 @@ dns_rdatasetstats_create(isc_mem_t *mctx, dns_stats_t **statsp) {
REQUIRE(statsp != NULL && *statsp == NULL); REQUIRE(statsp != NULL && *statsp == NULL);
return (create_stats(mctx, dns_statstype_rdataset, return (create_stats(mctx, dns_statstype_rdataset,
rdatasettypecounter_max, statsp)); (RDTYPECOUNTER_MAXVAL+1), statsp));
} }
isc_result_t isc_result_t
@@ -220,52 +243,62 @@ dns_generalstats_increment(dns_stats_t *stats, isc_statscounter_t counter) {
isc_stats_increment(stats->counters, counter); isc_stats_increment(stats->counters, counter);
} }
inline static
isc_statscounter_t rdatatype2counter(dns_rdatatype_t type) {
if (type > (dns_rdatatype_t)RDTYPECOUNTER_MAXTYPE) {
return 0;
}
return (isc_statscounter_t)type;
}
void void
dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type) { dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type) {
int counter; isc_statscounter_t counter;
REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_rdtype); REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_rdtype);
if (type == dns_rdatatype_dlv) counter = rdatatype2counter(type);
counter = rdtypecounter_dlv; isc_stats_increment(stats->counters, counter);
else if (type > dns_rdatatype_any)
counter = rdtypecounter_others;
else
counter = (int)type;
isc_stats_increment(stats->counters, (isc_statscounter_t)counter);
} }
static inline void static inline void
update_rdatasetstats(dns_stats_t *stats, dns_rdatastatstype_t rrsettype, update_rdatasetstats(dns_stats_t *stats, dns_rdatastatstype_t rrsettype,
bool increment) bool increment)
{ {
int counter; isc_statscounter_t counter;
dns_rdatatype_t rdtype;
if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) != 0) { DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) != 0) {
counter = rdtypecounter_nxdomain; counter = RDTYPECOUNTER_NXDOMAIN;
/*
* This is an NXDOMAIN counter, save the expiry value
* (active, stale, or ancient) value in the RRtype part.
*/
if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
DNS_RDATASTATSTYPE_ATTR_ANCIENT) != 0) {
counter |= RDTYPECOUNTER_NXDOMAIN_ANCIENT;
}
else if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
DNS_RDATASTATSTYPE_ATTR_STALE) != 0) {
counter += RDTYPECOUNTER_NXDOMAIN_STALE;
}
} else { } else {
rdtype = DNS_RDATASTATSTYPE_BASE(rrsettype); counter = rdatatype2counter(DNS_RDATASTATSTYPE_BASE(rrsettype));
if (rdtype == dns_rdatatype_dlv)
counter = (int)rdtypecounter_dlv;
else if (rdtype > dns_rdatatype_any)
counter = (int)rdtypecounter_others;
else
counter = (int)rdtype;
if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
DNS_RDATASTATSTYPE_ATTR_NXRRSET) != 0) DNS_RDATASTATSTYPE_ATTR_NXRRSET) != 0) {
counter += rdtypecounter_max; counter |= RDTYPECOUNTER_NXRRSET;
} }
if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
DNS_RDATASTATSTYPE_ATTR_ANCIENT) != 0) { DNS_RDATASTATSTYPE_ATTR_ANCIENT) != 0) {
counter += rdtypecounter_ancient; counter |= RDTYPECOUNTER_ANCIENT;
} else if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & }
DNS_RDATASTATSTYPE_ATTR_STALE) != 0) { else if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) &
counter += rdtypecounter_stale; DNS_RDATASTATSTYPE_ATTR_STALE) != 0) {
counter |= RDTYPECOUNTER_STALE;
}
} }
if (increment) { if (increment) {
@@ -335,13 +368,10 @@ dump_rdentry(int rdcounter, uint64_t value, dns_rdatastatstype_t attributes,
dns_rdatatype_t rdtype = dns_rdatatype_none; /* sentinel */ dns_rdatatype_t rdtype = dns_rdatatype_none; /* sentinel */
dns_rdatastatstype_t type; dns_rdatastatstype_t type;
if (rdcounter == rdtypecounter_others) if ((rdcounter & RDTYPECOUNTER_MAXTYPE) == 0) {
attributes |= DNS_RDATASTATSTYPE_ATTR_OTHERTYPE; attributes |= DNS_RDATASTATSTYPE_ATTR_OTHERTYPE;
else { } else {
if (rdcounter == rdtypecounter_dlv) rdtype = (dns_rdatatype_t)(rdcounter & RDTYPECOUNTER_MAXTYPE);
rdtype = dns_rdatatype_dlv;
else
rdtype = (dns_rdatatype_t)rdcounter;
} }
type = DNS_RDATASTATSTYPE_VALUE((dns_rdatastatstype_t)rdtype, type = DNS_RDATASTATSTYPE_VALUE((dns_rdatastatstype_t)rdtype,
attributes); attributes);
@@ -370,48 +400,39 @@ dns_rdatatypestats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn,
static void static void
rdataset_dumpcb(isc_statscounter_t counter, uint64_t value, void *arg) { rdataset_dumpcb(isc_statscounter_t counter, uint64_t value, void *arg) {
rdatadumparg_t *rdatadumparg = arg; rdatadumparg_t *rdatadumparg = arg;
unsigned int attributes; unsigned int attributes = 0;
bool dump = true;
if (counter < rdtypecounter_max) { if ((counter & RDTYPECOUNTER_NXDOMAIN) == RDTYPECOUNTER_NXDOMAIN) {
attributes = 0; attributes |= DNS_RDATASTATSTYPE_ATTR_NXDOMAIN;
} else if (counter < rdtypenxcounter_max) {
counter -= rdtypecounter_max; /*
attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET; * This is an NXDOMAIN counter, check the RRtype part for the
} else if (counter == rdtypecounter_nxdomain) { * expiry value (active, stale, or ancient).
counter = 0; */
attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN; if ((counter & RDTYPECOUNTER_MAXTYPE) ==
} else if (counter < rdtypecounter_stale_max) { RDTYPECOUNTER_NXDOMAIN_STALE) {
counter -= rdtypecounter_stale; attributes |= DNS_RDATASTATSTYPE_ATTR_STALE;
attributes = DNS_RDATASTATSTYPE_ATTR_STALE; } else if ((counter & RDTYPECOUNTER_MAXTYPE) ==
} else if (counter < rdtypenxcounter_stale_max) { RDTYPECOUNTER_NXDOMAIN_ANCIENT) {
counter -= rdtypecounter_stale_max; attributes |= DNS_RDATASTATSTYPE_ATTR_ANCIENT;
attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET | }
DNS_RDATASTATSTYPE_ATTR_STALE;
} else if (counter == rdtypecounter_stale_nxdomain) {
counter = 0;
attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN |
DNS_RDATASTATSTYPE_ATTR_STALE;
} else if (counter < rdtypecounter_ancient_max) {
counter -= rdtypecounter_ancient;
attributes = DNS_RDATASTATSTYPE_ATTR_ANCIENT;
} else if (counter < rdtypenxcounter_ancient_max) {
counter -= rdtypecounter_ancient_max;
attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET |
DNS_RDATASTATSTYPE_ATTR_ANCIENT;
} else if (counter == rdtypecounter_ancient_nxdomain) {
counter = 0;
attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN |
DNS_RDATASTATSTYPE_ATTR_ANCIENT;
} else { } else {
/* Out of bounds, do not dump entry. */ if ((counter & RDTYPECOUNTER_MAXTYPE) == 0) {
dump = false; attributes |= DNS_RDATASTATSTYPE_ATTR_OTHERTYPE;
}
if ((counter & RDTYPECOUNTER_NXRRSET) != 0) {
attributes |= DNS_RDATASTATSTYPE_ATTR_NXRRSET;
}
if ((counter & RDTYPECOUNTER_STALE) != 0) {
attributes |= DNS_RDATASTATSTYPE_ATTR_STALE;
} else if ((counter & RDTYPECOUNTER_ANCIENT) != 0) {
attributes |= DNS_RDATASTATSTYPE_ATTR_ANCIENT;
}
} }
if (dump) { dump_rdentry(counter, value, attributes, rdatadumparg->fn,
dump_rdentry(counter, value, attributes, rdatadumparg->fn,
rdatadumparg->arg); rdatadumparg->arg);
}
} }
void void

13
lib/dns/tests/rdatasetstats_test.c
View File

@@ -223,12 +223,11 @@ rdatasetstats(void **state, bool servestale) {
result = dns_rdatasetstats_create(dt_mctx, &stats); result = dns_rdatasetstats_create(dt_mctx, &stats);
assert_int_equal(result, ISC_R_SUCCESS); assert_int_equal(result, ISC_R_SUCCESS);
/* First 256 types. */ /* First 255 types. */
for (i = 0; i <= 255; i++) { for (i = 1; i <= 255; i++) {
set_typestats(stats, (dns_rdatatype_t)i); set_typestats(stats, (dns_rdatatype_t)i);
} }
/* Specials */ /* Specials */
set_typestats(stats, dns_rdatatype_dlv);
set_typestats(stats, (dns_rdatatype_t)1000); set_typestats(stats, (dns_rdatatype_t)1000);
set_nxdomainstats(stats); set_nxdomainstats(stats);
@@ -237,12 +236,10 @@ rdatasetstats(void **state, bool servestale) {
if (servestale) { if (servestale) {
/* Mark stale */ /* Mark stale */
for (i = 0; i <= 255; i++) { for (i = 1; i <= 255; i++) {
mark_stale(stats, (dns_rdatatype_t)i, 0, mark_stale(stats, (dns_rdatatype_t)i, 0,
DNS_RDATASTATSTYPE_ATTR_STALE); DNS_RDATASTATSTYPE_ATTR_STALE);
} }
mark_stale(stats, dns_rdatatype_dlv, 0,
DNS_RDATASTATSTYPE_ATTR_STALE);
mark_stale(stats, (dns_rdatatype_t)1000, 0, mark_stale(stats, (dns_rdatatype_t)1000, 0,
DNS_RDATASTATSTYPE_ATTR_STALE); DNS_RDATASTATSTYPE_ATTR_STALE);
mark_nxdomain_stale(stats, 0, DNS_RDATASTATSTYPE_ATTR_STALE); mark_nxdomain_stale(stats, 0, DNS_RDATASTATSTYPE_ATTR_STALE);
@@ -255,12 +252,10 @@ rdatasetstats(void **state, bool servestale) {
} }
/* Mark ancient */ /* Mark ancient */
for (i = 0; i <= 255; i++) { for (i = 1; i <= 255; i++) {
mark_stale(stats, (dns_rdatatype_t)i, from, mark_stale(stats, (dns_rdatatype_t)i, from,
DNS_RDATASTATSTYPE_ATTR_ANCIENT); DNS_RDATASTATSTYPE_ATTR_ANCIENT);
} }
mark_stale(stats, dns_rdatatype_dlv, from,
DNS_RDATASTATSTYPE_ATTR_ANCIENT);
mark_stale(stats, (dns_rdatatype_t)1000, from, mark_stale(stats, (dns_rdatatype_t)1000, from,
DNS_RDATASTATSTYPE_ATTR_ANCIENT); DNS_RDATASTATSTYPE_ATTR_ANCIENT);
mark_nxdomain_stale(stats, from, DNS_RDATASTATSTYPE_ATTR_ANCIENT); mark_nxdomain_stale(stats, from, DNS_RDATASTATSTYPE_ATTR_ANCIENT);