def run(self):
'''Fonction d'execution de serveur.'''
while self.running:
# suppression des sockets ferme ainsi que des socket inactifs
for sock in self.inputs + self.outputs:
if sock.closed():
self.disconnect(sock)
elif not sock in self.always_alive:
if sock.time_alive() > self.keep_alive and self.keep_alive > 0:
self.disconnect(sock)
# Obtention des sockets lisable/ecrivable
try:
readable, writable, exceptable = select.select(self.inputs, self.outputs, self.inputs, 0)
except socket.error:
debug.wtf(self, 'Stop that shit dude')
except:
pass
if self.running:
for sock in readable:
self.read(sock)
if self.running:
for sock in writable:
self.write(sock)
if self.running:
for sock in exceptable:
self.exception(sock)
self.stop()
def disconnect(self, sock):
'''Ferme la connexion d'un socket et de tous les sockets lies a celui-ci.
Parametre:
sock -- socket a ferme
'''
if not sock.closed():
debug.log(self, 'Disconnection of ' + str(sock), 1)
sock.close()
if sock in self.link:
self.disconnect(self.link[sock])
try:
del self.link[sock]
except KeyError:
debug.wtf(self, 'Python fait toujours la meme merde.')
if sock in self.inputs:
self.inputs.remove(sock)
if sock in self.outputs:
self.outputs.remove(sock)
if sock in self.message_queue:
try:
del self.message_queue[sock]
except KeyError:
debug.wtf(self, 'Go home Python ! You\'re drunk')
def write(self, sock):
'''Operation d'ecriture sur le socket.
Le mecanisme d'ecriture est gere par une Queue d'operation.
Parametre:
sock -- instance du socket a ecrire
'''
try:
msg = self.message_queue[sock].get_nowait()
except Queue.Empty:
self.outputs.remove(sock)
if sock in self.message_queue:
try:
del self.message_queue[sock]
except KeyError:
debug.wtf(self, 'GTFO Python !!!')
except KeyError:
if sock in self.outputs:
self.outputs.remove(sock)
else:
try:
sock.send(msg)
except socket.error:
debug.error(self, 'Error for sending to ' + str(sock))
self.disconnect(sock)
else:
debug.log(self, 'Sending to ' + str(sock), 3)
debug.log(self, 'To ' + str(sock) + '`' + msg + '`', 5)
def maj_time(self, sock):
'''Met a jour le temps d'activite d'un socket ainsi que tous ses sockets lies.'''
sock.maj_time()
if sock in self.link:
try:
s = self.link[sock]
except KeyError:
debug.wtf(self, 'WTF Python !!')
else:
self.maj_time(s)
def add_message(self, sock, msg):
'''Ajoute un message a la queue d'envoie associe au socket en parametre.
Parametre:
sock -- socket ou envoyer le message
msg -- message a rajouter a la queue d'envoie
'''
try:
if not sock in self.message_queue:
self.message_queue[sock] = Queue.Queue()
try:
self.message_queue[sock].put_nowait(msg)
except KeyError:
debug.wtf(self, 'Python fait encore de la merde')
if not sock in self.outputs:
self.outputs += [sock]
except Queue.Full:
pass