def readTick(self):
if self.mode == constants.MODE_SERVER:
loadingTimeout = self.connectionTimeout * 2
for client in list(self.activeConnections.values()):
if time.time() - client.lastPacketTime > (
self.connectionTimeout
if client.ready else loadingTimeout):
del self.activeConnections[client.address]
if self.disconnectCallback is not None:
self.disconnectCallback(client.address)
elif self.mode == MODE_CLIENT:
if self.clientConnected:
if self.disconnectCallback is not None and time.time(
) - self.hostConnection.lastPacketTime > self.connectionTimeout:
self.disconnectCallback(self.hostConnection.address)
self.clientConnected = False
else:
if self.connectionAttempts < 10:
if time.time() - self.lastConnectionAttempt > 0.5:
self.clientConnect(self.clientUsername)
self.connectionAttempts += 1
self.lastConnectionAttempt = time.time()
else:
self.connectionAttempts = 0
self.disconnectCallback(self.hostConnection.address)
readQueue = []
while True:
try:
message, address = self.socket.recvfrom(1024)
except socket.error:
return readQueue
if not message:
continue
if address in self.activeConnections:
self.activeConnections[address].lastPacketTime = time.time()
try:
message = zlib.decompress(message)
except zlib.error:
continue
iterator = PyDatagram(message)
if not iterator.getRemainingSize():
continue
code = Uint8.getFrom(iterator)
if code == constants.PACKET_HOSTLIST:
numHosts = Uint16.getFrom(iterator)
hosts = []
for _ in range(numHosts):
ip = String.getFrom(iterator)
port = Uint16.getFrom(iterator)
user = String.getFrom(iterator)
map = String.getFrom(iterator)
activePlayers = Uint8.getFrom(iterator)
playerSlots = Uint8.getFrom(iterator)
hosts.append((user, map, ip + ":" + str(port),
activePlayers, playerSlots))
#engine.log.debug("Received " + str(numHosts) + " hosts from lobby server.")
if self.hostListCallback is not None:
self.hostListCallback(hosts)
if self.mode == constants.MODE_SERVER:
if code == constants.PACKET_NEWCLIENTNOTIFICATION:
ip = String.getFrom(iterator)
port = Uint16.getFrom(iterator)
clientAddress = (ip, port)
self.connectionAttempts = 0
#engine.log.info("Received notification from lobby server of new client " + ip + ":" + str(port))
self.serverConnect(clientAddress)
elif code == constants.PACKET_DISCONNECT:
if address in self.activeConnections:
del self.activeConnections[address]
elif code == constants.PACKET_CLIENTREADY:
if address in self.activeConnections:
self.activeConnections[address].ready = True
elif self.mode == MODE_CLIENT and address == self.hostConnection.address:
self.hostConnection.lastPacketTime = time.time()
readQueue.append((message, address))
return readQueue
