[Dnsmasq-discuss] [PATCH] expose the stale and unanswered metrics through CHAOS records

[Karavelov, Luben]

Adding two new CHAOS names:
- stale.bind
- unanswered.bind
that expose the dns_stale_answered and dns_unanswered metrics.
---
 src/cache.c   | 8 ++++++++
 src/dnsmasq.h | 2 ++
 src/option.c  | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/src/cache.c b/src/cache.c
index 1c0e250..daacbaa 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -1725,6 +1725,14 @@ int cache_make_stat(struct txt_record *t)
       break;
 #endif
 
+    case TXT_STAT_STALE:
+      sprintf(buff+1, "%u", daemon->metrics[METRIC_DNS_STALE_ANSWERED]);
+      break;
+
+    case TXT_STAT_UNANSWERED:
+      sprintf(buff+1, "%u", daemon->metrics[METRIC_DNS_UNANSWERED_QUERY]);
+      break;
+
     case TXT_STAT_SERVERS:
       /* sum counts from different records for same server */
       for (serv = daemon->servers; serv; serv = serv->next)
diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index 2f95c12..08e6888 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -380,6 +380,8 @@ struct naptr {
 #define TXT_STAT_HITS          5
 #define TXT_STAT_AUTH          6
 #define TXT_STAT_SERVERS       7
+#define TXT_STAT_STALE         8
+#define TXT_STAT_UNANSWERED    9
 #endif
 
 struct txt_record {
diff --git a/src/option.c b/src/option.c
index 8322725..2b2705e 100644
--- a/src/option.c
+++ b/src/option.c
@@ -5947,6 +5947,8 @@ void read_opts(int argc, char **argv, char *compile_opts)
       add_txt("auth.bind", NULL, TXT_STAT_AUTH);
 #endif
       add_txt("servers.bind", NULL, TXT_STAT_SERVERS);
+      add_txt("stale.bind", NULL, TXT_STAT_STALE);
+      add_txt("unanswered.bind", NULL, TXT_STAT_UNANSWERED);
     }
 #endif
 
-- 
2.25.1