def replyProcess(codi, data):
global state, socudp, rndnum
# tractem la resposta rebuda per part del servidor en funcio del tipus
# de paquet que haguem rebut
if codi == "":
print time.strftime("%X") + " No s'ha pogut contactar amb el servidor"
state = utilities.closeConnection(socudp, state)
elif codi == cons.SUBS_ACK:
# en cas de que el registre sigui correcte ens disposem a distribuir el
# treball de mantenir la comunicacio i la recepcio de comandes
time.sleep(1)
sendSubsInfo()
elif codi == cons.SUBS_NACK:
print time.strftime("%X") + " Denegacio de Registre"
state = utilities.actState("NOT_SUBSCRIBED")
state = utilities.closeConnection(socudp, state)
elif codi == cons.SUBS_REJ:
print time.strftime("%X") + " " + data
state = utilities.actState("NOT_SUBSCRIBED")
state = utilities.closeConnection(socudp, state)
time.sleep(2)
register()
elif codi == cons.INFO_ACK:
print time.strftime("%X") + " Rebut INFO_ACK"
distributeWork(codi)
else:
print time.strftime("%X") + " Estat Desconegut"
state = utilities.closeConnection(socudp, state)
def sendSubsInfo():
global state
elements = (localTCP, ';'.join(elemntslst))
data = ','.join(elements)
comPDU = utilities.definePDU(options.verbose, cons.PDU_FORM,
cons.SUBS_INFO, mac, rndnum, data)
socudp.sendto(comPDU, (server, int(srvUDP)))
state = utilities.actState("WAIT_ACK_INFO")
reply = struct.unpack(cons.PDU_FORM, socudp.recvfrom(recPort)[0])
replyProcess(reply)
def regTry(regPDU, t):
global socudp, state, options, server, srvUDP, recPort
# s'intenta fer un registre
recPort = socudp.getsockname()[1]
# enviem la nostra PDU i establim un temps per esperar la resposta
utilities.debugMode("Enviant packet de registre", options.verbose)
socudp.sendto(regPDU, (server, int(srvUDP)))
socudp.settimeout(t)
state = utilities.actState("WAIT_ACK_SUBS")
# retornem la resposta si l'hem rebut, en cas contrari es llanca una
# exepcio que sera agafada per la funcio "registerloop"
unpacked = struct.unpack(cons.PDU_FORM, socudp.recvfrom(recPort)[0])
print unpacked
return unpacked
def main():
global state
state = utilities.actState("NOT_SUBSCRIBED")
register()