def unreg_from_bs(self):
query = query_builder("UNREG",
data=[self.udp_ip, self.udp_port, self.username])
res = udp_send_recv(self.bs_ip, self.bs_port, query)
try:
res_type, res = query_parser(res)
except Exception as e:
pass
def disconnect_from_network(self):
for ip, port in self.routing_table.get():
query = query_builder("LEAVE", data=[self.udp_ip, self.udp_port])
data = udp_send_recv(ip, port, query)
try:
res_type, data = query_parser(data)
except Exception as e:
print("Error:", str(e))
else:
if res_type == "LEAVEOK":
pass
def connect_to_network(self):
for ip, port in self.routing_table.get():
query = query_builder("JOIN", data=[self.udp_ip, self.udp_port])
data = udp_send_recv(ip, port, query)
try:
res_type, data = query_parser(data)
except Exception as e:
print("Error:", str(e))
self.routing_table.remove((ip, port))
else:
if res_type == "JOINOK":
pass
def reg_in_bs(self):
query = query_builder("REG",
data=[self.udp_ip, self.udp_port, self.username])
data = udp_send_recv(self.bs_ip, self.bs_port, query)
try:
res_type, data = query_parser(data)
except Exception as e:
print("Error:", str(e))
sys.exit("Exiting, Couldn't connect to BS")
else:
if res_type == "REGOK":
for i in range(0, len(data), 2):
self.routing_table.add(data[i], data[i + 1])
else:
print("Error: Invalid response from BS")
sys.exit("Exiting, Couldn't connect to BS")