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Diffstat (limited to 'plugin/pkg/rcode/rcode.go')
-rw-r--r--plugin/pkg/rcode/rcode.go16
1 files changed, 16 insertions, 0 deletions
diff --git a/plugin/pkg/rcode/rcode.go b/plugin/pkg/rcode/rcode.go
new file mode 100644
index 000000000..32863f0b2
--- /dev/null
+++ b/plugin/pkg/rcode/rcode.go
@@ -0,0 +1,16 @@
+package rcode
+
+import (
+ "strconv"
+
+ "github.com/miekg/dns"
+)
+
+// ToString convert the rcode to the official DNS string, or to "RCODE"+value if the RCODE
+// value is unknown.
+func ToString(rcode int) string {
+ if str, ok := dns.RcodeToString[rcode]; ok {
+ return str
+ }
+ return "RCODE" + strconv.Itoa(rcode)
+}