OptStatusCode: public fields, proper codes, and tests (#61)

1 files changed, 32 insertions, 0 deletions

diff --git a/iana/statuscodes.go b/iana/statuscodes.go
new file mode 100644
index 0000000..47e8110
--- /dev/null
+++ b/iana/statuscodes.go
@@ -0,0 +1,32 @@
+package iana
+
+// StatusCode represents a IANA status code for DHCPv6
+type StatusCode uint16
+
+// IANA status codes as defined by rfc 3315 par. 24..4
+const (
+	StatusSuccess      StatusCode = 0
+	StatusUnspecFail   StatusCode = 1
+	StatusNoAddrsAvail StatusCode = 2
+	StatusNoBinding    StatusCode = 3
+	StatusNotOnLink    StatusCode = 4
+	StatusUseMulticast StatusCode = 5
+)
+
+// StatusCodeToString returns a mnemonic name for a given status code
+func StatusCodeToString(s StatusCode) string {
+	if sc := StatusCodeToStringMap[s]; sc != "" {
+		return sc
+	}
+	return "Unknown"
+}
+
+// StatusCodeToStringMap maps status codes to their names
+var StatusCodeToStringMap = map[StatusCode]string{
+	StatusSuccess:      "Success",
+	StatusUnspecFail:   "UnspecFail",
+	StatusNoAddrsAvail: "NoAddrsAvail",
+	StatusNoBinding:    "NoBinding",
+	StatusNotOnLink:    "NotOnLink",
+	StatusUseMulticast: "UseMulticast",
+}