Extract local AS from peer xml (#245)

Author: mraerino

pkg/features/bgp/helper.go

@@ -45,5 +45,13 @@ func localASNForPeer(p peer) string {
 		return strconv.FormatInt(p.OptionInformation.LocalAs, 10)
 	}
 
-	return strconv.FormatInt(p.OptionInformation.LocalSystemAs, 10)
+	if p.OptionInformation.LocalSystemAs > 0 {
+		return strconv.FormatInt(p.OptionInformation.LocalSystemAs, 10)
+	}
+
+	if p.LocalASN > 0 {
+		return strconv.FormatInt(p.LocalASN, 10)
+	}
+
+	return "unknown"
 }

pkg/features/bgp/rpc.go

@@ -12,6 +12,7 @@ type peer struct {
 	CFGRTI            string            `xml:"peer-cfg-rti"`
 	IP                string            `xml:"peer-address"`
 	ASN               string            `xml:"peer-as"`
+	LocalASN          int64             `xml:"local-as"`
 	State             string            `xml:"peer-state"`
 	Group             string            `xml:"peer-group"`
 	GroupIndex        int64             `xml:"peer-group-index"`