async def request(
self,
cmd: stun.Message,
addr: Tuple[str, int],
retransmissions=None) -> Tuple[stun.Message, Tuple[str, int]]:
trans = stun.Transaction(cmd, addr, self, retransmissions)
self.transactions[cmd.transaction_id] = trans
try:
return await trans.run()
except Exception as e:
print("[ERROR] Exception: " + str(e))
return None, None
finally:
del self.transactions[cmd.transaction_id]
def test_timeout(self):
class DummyProtocol:
def send_stun(self, message, address):
pass
request = stun.Message(message_method=stun.Method.BINDING,
message_class=stun.Class.REQUEST)
transaction = stun.Transaction(request, ('127.0.0.1', 1234), DummyProtocol())
# timeout
with self.assertRaises(exceptions.TransactionTimeout):
run(transaction.run())
# receive response after timeout
response = stun.Message(message_method=stun.Method.BINDING,
message_class=stun.Class.RESPONSE)
transaction.response_received(response, ('127.0.0.1', 1234))