1 files changed, 123 insertions, 0 deletions
diff --git a/src/go/plugin/go.d/modules/nsd/stats_counters.go b/src/go/plugin/go.d/modules/nsd/stats_counters.go
new file mode 100644
index 000000000..8ebe706a5
--- /dev/null
+++ b/src/go/plugin/go.d/modules/nsd/stats_counters.go
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package nsd
+
+// Docs: https://nsd.docs.nlnetlabs.nl/en/latest/manpages/nsd-control.html?highlight=elapsed#statistics-counters
+// Source: https://github.com/NLnetLabs/nsd/blob/b4a5ccd2235a1f8f71f7c640390e409bf123c963/remote.c#L2735
+
+// https://github.com/NLnetLabs/nsd/blob/b4a5ccd2235a1f8f71f7c640390e409bf123c963/remote.c#L2737
+var answerRcodes = []string{
+	"NOERROR",
+	"FORMERR",
+	"SERVFAIL",
+	"NXDOMAIN",
+	"NOTIMP",
+	"REFUSED",
+	"YXDOMAIN",
+	"YXRRSET",
+	"NXRRSET",
+	"NOTAUTH",
+	"NOTZONE",
+	"RCODE11",
+	"RCODE12",
+	"RCODE13",
+	"RCODE14",
+	"RCODE15",
+	"BADVERS",
+}
+
+// https://github.com/NLnetLabs/nsd/blob/b4a5ccd2235a1f8f71f7c640390e409bf123c963/remote.c#L2706
+var queryOpcodes = []string{
+	"QUERY",
+	"IQUERY",
+	"STATUS",
+	"NOTIFY",
+	"UPDATE",
+	"OTHER",
+}
+
+// https://github.com/NLnetLabs/nsd/blob/b4a5ccd2235a1f8f71f7c640390e409bf123c963/dns.c#L27
+var queryClasses = []string{
+	"IN",
+	"CS",
+	"CH",
+	"HS",
+}
+
+// https://github.com/NLnetLabs/nsd/blob/b4a5ccd2235a1f8f71f7c640390e409bf123c963/dns.c#L35
+var queryTypes = []string{
+	"A",
+	"NS",
+	"MD",
+	"MF",
+	"CNAME",
+	"SOA",
+	"MB",
+	"MG",
+	"MR",
+	"NULL",
+	"WKS",
+	"PTR",
+	"HINFO",
+	"MINFO",
+	"MX",
+	"TXT",
+	"RP",
+	"AFSDB",
+	"X25",
+	"ISDN",
+	"RT",
+	"NSAP",
+	"SIG",
+	"KEY",
+	"PX",
+	"AAAA",
+	"LOC",
+	"NXT",
+	"SRV",
+	"NAPTR",
+	"KX",
+	"CERT",
+	"DNAME",
+	"OPT",
+	"APL",
+	"DS",
+	"SSHFP",
+	"IPSECKEY",
+	"RRSIG",
+	"NSEC",
+	"DNSKEY",
+	"DHCID",
+	"NSEC3",
+	"NSEC3PARAM",
+	"TLSA",
+	"SMIMEA",
+	"CDS",
+	"CDNSKEY",
+	"OPENPGPKEY",
+	"CSYNC",
+	"ZONEMD",
+	"SVCB",
+	"HTTPS",
+	"SPF",
+	"NID",
+	"L32",
+	"L64",
+	"LP",
+	"EUI48",
+	"EUI64",
+	"URI",
+	"CAA",
+	"AVC",
+	"DLV",
+	"TYPE252",
+	"TYPE255",
+}
+
+var queryTypeNumberMap = map[string]string{
+	"TYPE251": "IXFR",
+	"TYPE252": "AXFR",
+	"TYPE253": "MAILB",
+	"TYPE254": "MAILA",
+	"TYPE255": "ANY",
+}