refactor packages

event/nattype.go

@@ -2,35 +2,14 @@ package event
 
 import "github.com/libp2p/go-libp2p-core/network"
 
-// NATTransportProtocol is the transport protocol for which the NAT Device Type has been determined.
-type NATTransportProtocol int
-
-const (
-	// NATTransportUDP means that the NAT Device Type has been determined for the UDP Protocol.
-	NATTransportUDP NATTransportProtocol = iota
-	// NATTransportTCP means that the NAT Device Type has been determined for the TCP Protocol.
-	NATTransportTCP
-)
-
-func (n NATTransportProtocol) String() string {
-	switch n {
-	case 0:
-		return "UDP"
-	case 1:
-		return "TCP"
-	default:
-		return "unrecognized"
-	}
-}
-
 // EvtNATDeviceTypeChanged is an event struct to be emitted when the type of the NAT device changes for a Transport Protocol.
 //
 // Note: This event is meaningful ONLY if the AutoNAT Reachability is Private.
 // Consumers of this event should ALSO consume the `EvtLocalReachabilityChanged` event and interpret
 // this event ONLY if the Reachability on the `EvtLocalReachabilityChanged` is Private.
 type EvtNATDeviceTypeChanged struct {
 	// TransportProtocol is the Transport Protocol for which the NAT Device Type has been determined.
-	TransportProtocol NATTransportProtocol
+	TransportProtocol network.NATTransportProtocol
 	// NatDeviceType indicates the type of the NAT Device for the Transport Protocol.
 	// Currently, it can be either a `Cone NAT` or a `Symmetric NAT`. Please see the detailed documentation
 	// on `network.NATDeviceType` enumerations for a better understanding of what these types mean and

network/nattype.go

@@ -35,3 +35,24 @@ func (r NATDeviceType) String() string {
 		return "unrecognized"
 	}
 }
+
+// NATTransportProtocol is the transport protocol for which the NAT Device Type has been determined.
+type NATTransportProtocol int
+
+const (
+	// NATTransportUDP means that the NAT Device Type has been determined for the UDP Protocol.
+	NATTransportUDP NATTransportProtocol = iota
+	// NATTransportTCP means that the NAT Device Type has been determined for the TCP Protocol.
+	NATTransportTCP
+)
+
+func (n NATTransportProtocol) String() string {
+	switch n {
+	case 0:
+		return "UDP"
+	case 1:
+		return "TCP"
+	default:
+		return "unrecognized"
+	}
+}