package mainimport (
"fmt"
"net"
"os"
"strconv"
"strings"
)const(
SERVER_IP = "127.0.0.1"
PORT = 8080
)func main() {
fmt.Println("upd test")
address := SERVER_IP + ":" + strconv.Itoa(PORT)
addr, err := net.ResolveUDPAddr("udp", address)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
conn, err := net.ListenUDP("udp", addr)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer conn.Close()
for {
data := make([]byte, 1024)
_, rAddr, err := conn.ReadFromUDP(data)
if err != nil {
fmt.Println("Read From Udp err =",err)
continue
}
strData := string(data)
fmt.Println("Received:", strData)
upper := strings.ToUpper(strData)
_, err = conn.WriteToUDP([]byte(strData), rAddr)
if err != nil {
fmt.Println("Write Udp err =",err)
continue
}
fmt.Println("Send:", upper)
}
}