Files
udp-ping-pong/server/main.go
T

34 lines
463 B
Go

package main
import (
"fmt"
"net"
)
func main() {
// udp listen
conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4(0, 0, 0, 0), Port: 5000})
if err != nil {
panic(err)
}
for {
// read
buf := make([]byte, 512)
n, addr, err := conn.ReadFromUDP(buf)
if err != nil {
panic(err)
}
fmt.Println("SERVER | received message from ", addr)
// write
_, err = conn.WriteToUDP(buf[:n], addr)
if err != nil {
panic(err)
}
}
}