v4 mpls实装显示

printer/basic.go

@@ -108,4 +108,8 @@ func applyLangSetting(h *trace.Hop) {
 			}
 		}
 	}
+
+	if len(h.MPLS) > 1 {
+		h.Hostname += " [MPLS: " + h.MPLS + "]"
+	}
 }

printer/printer.go

@@ -47,6 +47,10 @@ func HopPrinter(h trace.Hop, info HopInfo) {
 		if h.Geo != nil {
 			txt += " " + formatIpGeoData(h.Address.String(), h.Geo)
 		}
+
+		if len(h.MPLS) > 1 {
+			txt += " [MPLS: " + h.MPLS + "]"
+		}
 		switch info {
 		case IXP:
 			fmt.Print(CYAN_PREFIX)