func MakeSender() *sender.Sender {
aSender, err := sender.NewSender("239.192.0.0:5000")
if err != nil {
panic("Error creating sender:" + err.Error())
}
return aSender
}
func main() {
var message []byte
var err error
flag.Parse()
if flag.NArg() == 0 {
const layout = "Jan 2, 2006 at 3:04:05pm (MST)"
message = []byte(time.Now().Format(layout))
fmt.Println("Using default message:", string(message))
} else {
fmt.Println("Reading contents of file:", flag.Arg(0))
message, err = ioutil.ReadFile(flag.Arg(0))
if err != nil {
fmt.Println("Error reading file:", err)
return
}
}
sender, err := sender.NewSender("239.192.0.0:5000")
if err != nil {
fmt.Println("Error creating sender:", err)
return
}
defer sender.Close()
for i := 0; i < 10; i++ {
time.Sleep(1000 * time.Millisecond)
nbytes, err := sender.Send(message)
if err != nil {
fmt.Println("Error sending:", err)
}
fmt.Println("Wrote", nbytes, "bytes.")
}
}