def serviceTxPkts(self):
        while self.server.opened and self.txPkts:
            if not self._serviceOneTxPkt():
                break  # blocked try again later
Service the .txPkts deque to send packets through server
dataset/ETHPy150Open ioflo/ioflo/ioflo/aio/proto/stacking.py/Stack.serviceTxPkts