def update(self):
if self.timer == 0:
packet = Packet(self.screen, self.pos[0], self.pos[1])
packet.color = (128, 255, 128)
packet.payload = {}
packet.protocol = "OSPF"
for link in self.links:
packetCopy = copy(packet)
interface = self.interfaces[link]
packetCopy.source = interface
packetCopy.destination = interface.broadcast()
packetCopy.payload[DNSIP()] = (0, link)
link.send(packetCopy, self)
self.timer = 250
else:
self.timer -= 1
def update(self):
if self.timer == 0:
packet = Packet(self.screen, self.pos[0], self.pos[1])
packet.color = self.packetColor
packet.payload = {}
packet.protocol = "OSPF"
for link in self.links:
packetCopy = copy(packet)
for subnetIP in self.table:
if self.table[subnetIP][1] != link: #poisoned reverse
interface = self.interfaces[link]
packetCopy.source = interface
packetCopy.destination = interface.broadcast()
packetCopy.payload[subnetIP] = (self.table[subnetIP][0], link)
link.send(packetCopy, self)
self.timer = 250
else:
self.timer -= 1
def receive(self, packet):
if packet.protocol == "OSPF":
pass
elif packet.protocol == "DNS Request":
respacket = Packet(self.screen, self.pos[0], self.pos[1])
respacket.protocol = "DNS Response"
respacket.destination = packet.source
respacket.color = self.packetColor
respacket.source = self.IP
try:
respacket.response = packet.request, self.names[packet.request]
respacket.code = 200
except KeyError: #Yes, I'm using HTTP codes for DNS. Shh.
respacket.response = None
respacket.code = 404
packet.link.send(respacket, self)
def sendMail(self):
mail = Packet(self.screen, self.pos[0], self.pos[1])
mail.color = self.color
mail.protocol = "SMTP"
mail.source = self.IP
mail.sender = self.name
mail.destination = self.names[self.corespondent]
self.link.send(mail, self)
def update(self):
if self.corespondent not in self.names:
if self.timer == 0:
request = Packet(self.screen, self.pos[0], self.pos[1])
request.color = (191, 128, 128)
request.protocol = "DNS Request"
request.source = self.IP
request.destination = DNSIP()
request.request = self.corespondent
self.link.send(request, self)
self.timer = 250
else:
self.timer -= 1
def packet(self):
packet = Packet(self.screen, self.pos[0], self.pos[1])
packet.color = self.color
packet.owner = self.owner
return packet
