import socket
import datetime

def dataO():
    dataAttuale=datetime.datetime.now()
    dataS=dataAttuale.strftime("%d/%m/%y-%H:%M:%S")
    dataB=bytes(dataS,'utf-8')
    return dataB

HOST = '127.0.0.1'  # Standard loopback interface address (localhost)
PORT = 65432        # Port to listen on (non-privileged ports are > 1023)

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.bind((HOST, PORT))
s.listen()
print("server avviato.\n")
while True:
    conn, addr = s.accept()
    print('Connected by:', addr)

    while True:
        data = conn.recv(1024)
        scelta=(data.decode('utf-8'))

        if scelta=='1':
            b=dataO()
            conn.send(b)

        if scelta=='2':
            b=bytes("chiusura server",'utf-8')
            conn.send(b)
            s.close()

        if scelta!='1' and scelta!='2':
            b=bytes("opzione non presente in quelle del server, riprova",'utf-8')
            conn.send(b)

        if not data:
            break
            conn.sendall(data)