Clean up more RTR v2 remnants

cmd/rtrdump/rtrdump.go

@@ -147,13 +147,11 @@ func main() {
 	}
 
 	targetVersion := rtr.PROTOCOL_VERSION_0
-	if *FlagVersion > 2 {
-		log.Fatalf("Invalid RTR Version provided, the highest version this release supports is 2")
+	if *FlagVersion > 1 {
+		log.Fatalf("Invalid RTR Version provided, the highest version this release supports is 1")
 	}
 	if *FlagVersion == 1 {
 		targetVersion = rtr.PROTOCOL_VERSION_1
-	} else if *FlagVersion == 2 {
-		targetVersion = rtr.PROTOCOL_VERSION_2
 	}
 
 	lvl, _ := log.ParseLevel(*LogLevel)
@@ -225,9 +223,6 @@ func main() {
 	log.Infof("Connecting with %v to %v", *ConnType, *Connect)
 	err := clientSession.Start(*Connect, typeToId[*ConnType], configTLS, configSSH)
 	if err != nil {
-		if err == io.EOF && targetVersion == rtr.PROTOCOL_VERSION_2 {
-			log.Warnf("EOF From remote side, This might be due to version 2 being requested, try using -rtr.version 1")
-		}
 		log.Fatal(err)
 	}
 

cmd/stayrtr/stayrtr.go

@@ -155,7 +155,6 @@ var (
 	protoverToLib = map[int]uint8{
 		0: rtr.PROTOCOL_VERSION_0,
 		1: rtr.PROTOCOL_VERSION_1,
-		2: rtr.PROTOCOL_VERSION_2,
 	}
 )
 

lib/client.go

@@ -122,20 +122,6 @@ func (c *ClientSession) StartRW(rd io.Reader, wr io.Writer) error {
 			}
 			c.version = PROTOCOL_VERSION_0
 		}
-		if c.version == PROTOCOL_VERSION_2 {
-			downgraded := false
-			switch dec.GetVersion() {
-			case PROTOCOL_VERSION_0:
-				c.version = PROTOCOL_VERSION_0
-				downgraded = true
-			case PROTOCOL_VERSION_1:
-				c.version = PROTOCOL_VERSION_1
-				downgraded = true
-			}
-			if c.log != nil && downgraded {
-				c.log.Infof("Downgrading to version %d", c.version)
-			}
-		}
 
 		if c.handler != nil {
 			c.handler.HandlePDU(c, dec)

lib/structs.go

@@ -30,7 +30,6 @@ const (
 
 	PROTOCOL_VERSION_0 = 0
 	PROTOCOL_VERSION_1 = 1
-	PROTOCOL_VERSION_2 = 2
 
 	PDU_ID_SERIAL_NOTIFY  = 0
 	PDU_ID_SERIAL_QUERY   = 1