Cosmetic updates to the route guide example

examples/route_guide/client/client.go

@@ -51,10 +51,10 @@ import (
 )
 
 var (
-	tls           = flag.Bool("use_tls", false, "Connection uses TLS if true, else plain TCP")
-	caFile        = flag.String("tls_ca_file", "testdata/ca.pem", "The file containning the CA root cert file")
-	serverAddr    = flag.String("server_addr", "127.0.0.1:10000", "The server address in the format of host:port")
-	tlsServerName = flag.String("server_host_override", "x.test.youtube.com", "The server name use to verify the hostname returned by TLS handshake")
+	tls                = flag.Bool("tls", false, "Connection uses TLS if true, else plain TCP")
+	caFile             = flag.String("ca_file", "testdata/ca.pem", "The file containning the CA root cert file")
+	serverAddr         = flag.String("server_addr", "127.0.0.1:10000", "The server address in the format of host:port")
+	serverHostOverride = flag.String("server_host_override", "x.test.youtube.com", "The server name use to verify the hostname returned by TLS handshake")
 )
 
 // printFeature gets the feature for the given point.
@@ -63,9 +63,9 @@ func printFeature(client pb.RouteGuideClient, point *pb.Point) {
 	feature, err := client.GetFeature(context.Background(), point)
 	if err != nil {
 		log.Fatalf("%v.GetFeatures(_) = _, %v: ", client, err)
-		return
+	} else {
+		log.Println(feature)
 	}
-	log.Println(feature)
 }
 
 // printFeatures lists all the features within the given bounding Rectangle.
@@ -162,8 +162,8 @@ func main() {
 	var opts []grpc.DialOption
 	if *tls {
 		var sn string
-		if *tlsServerName != "" {
-			sn = *tlsServerName
+		if *serverHostOverride != "" {
+			sn = *serverHostOverride
 		}
 		var creds credentials.TransportAuthenticator
 		if *caFile != "" {

examples/route_guide/server/server.go

@@ -59,10 +59,10 @@ import (
 )
 
 var (
-	tls        = flag.Bool("use_tls", false, "Connection uses TLS if true, else plain TCP")
-	certFile   = flag.String("tls_cert_file", "testdata/server1.pem", "The TLS cert file")
-	keyFile    = flag.String("tls_key_file", "testdata/server1.key", "The TLS key file")
-	jsonDBFile = flag.String("route_guide_db", "testdata/route_guide_db.json", "A json file containing a list of features")
+	tls        = flag.Bool("tls", false, "Connection uses TLS if true, else plain TCP")
+	certFile   = flag.String("cert_file", "testdata/server1.pem", "The TLS cert file")
+	keyFile    = flag.String("key_file", "testdata/server1.key", "The TLS key file")
+	jsonDBFile = flag.String("json_db_file", "testdata/route_guide_db.json", "A json file containing a list of features")
 	port       = flag.Int("port", 10000, "The server port")
 )
 
@@ -144,7 +144,6 @@ func (s *routeGuideServer) RouteChat(stream pb.RouteGuide_RouteChatServer) error
 		key := serialize(in.Location)
 		if _, present := s.routeNotes[key]; !present {
 			s.routeNotes[key] = []*pb.RouteNote{in}
-
 		} else {
 			s.routeNotes[key] = append(s.routeNotes[key], in)
 		}
@@ -162,7 +161,7 @@ func (s *routeGuideServer) loadFeatures(filePath string) {
 	if err != nil {
 		log.Fatal("Failed to load default features: %v", err)
 	}
-	if err := json.Unmarshal(file, &(s.savedFeatures)); err != nil {
+	if err := json.Unmarshal(file, &s.savedFeatures); err != nil {
 		log.Fatal("Failed to load default features: %v", err)
 	}
 }
@@ -216,7 +215,7 @@ func serialize(point *pb.Point) string {
 func newServer() *routeGuideServer {
 	s := new(routeGuideServer)
 	s.loadFeatures(*jsonDBFile)
-	s.routeNotes = make(map[string][]*pb.RouteNote, 0)
+	s.routeNotes = make(map[string][]*pb.RouteNote)
 	return s
 }