Created
March 28, 2021 20:37
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package main | |
import ( | |
"encoding/gob" | |
"fmt" | |
"log" | |
"net" | |
) | |
type CabecalhoServidor struct { | |
Payload uint32 | |
Psecret uint32 | |
Step uint16 | |
Lastdigits uint16 | |
} | |
type RecebeA struct { | |
Cabecalho CabecalhoServidor | |
Mensagem []byte | |
} | |
func ClienteA(conn net.Conn) { | |
dec := gob.NewDecoder(conn) | |
rA := &RecebeA{} | |
dec.Decode(&rA) | |
if len(string(rA.Mensagem)) > 0 { | |
fmt.Println("Mensagem: ", string(rA.Mensagem)) | |
} | |
conn.Close() | |
} | |
func main() { | |
var err error | |
addr := ":12345" | |
udpAddr, err := net.ResolveUDPAddr("udp", addr) | |
if err != nil { | |
fmt.Printf("Error ResolveUDPAddr: %v\n", err) | |
return | |
} | |
conn, err := net.ListenUDP("udp", udpAddr) | |
if err != nil { | |
fmt.Printf("Error ListenUDP: %v\n", err) | |
return | |
} | |
log.Println("Listen:", addr) | |
for { | |
conn, err = net.ListenUDP("udp", udpAddr) | |
if err != nil { | |
continue | |
} | |
ClienteA(conn) | |
} | |
} |
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