import socket,time

eki = socket.socket()
eki.bind(('', 54321))
eki.listen(1)

while True:

    conn, addr = eki.accept()
    print( 'robot connected:', addr )
    i = 1
    data, addr = conn.recvfrom(1024)
    print( "Got: " + str(data) )

    while True:
        try:
            s = "<Atos><A>TRUE</A><B>FALSE</B><C>TRUE</C></Atos>"
            s = '<Atos><Task Active="1" Code="%i"/></Atos>' % i
            conn.send(bytes(s, encoding='ascii'))
            print( "Sent: %s" % s )
            time.sleep(3)
            i = i + 1
        except Exception as e:
            print( e )
            raise e
            break
    conn.close()

atos.close()
eki.close()