func cmdUpdate(args []string) int {
v := new(version.Version)
if len(args) < 2 {
flag.Usage()
fmt.Fprintf(os.Stderr, "UPDATE requires APP and VERSION\n")
return 1
}
v.App = args[0]
v.Ver = args[1]
if len(args) > 2 {
v.Host = args[2]
}
if len(args) > 3 {
i, err := strconv.ParseUint(args[3], 10, 16)
if err != nil {
fmt.Println("Error parsing Intstance value:", args[3])
return 1
}
v.Instance = uint16(i)
}
err := client.SendUDP(*server, *port, *v)
if err != nil {
fmt.Println(err)
return 1
}
return 0
}
func ExampleSendUDP() {
v := version.Version{App: "app", Ver: "1.2.3", Host: "example.com"}
err := client.SendUDP("localhost", 7777, v)
if err != nil {
// handle error
}
}
func main() {
v := version.Version{App: "app", Ver: "1.2.3",
Host: "example.com", Instance: 0}
err := client.SendUDP("localhost", 7777, v)
if err != nil {
log.Fatal(err)
}
}