def update(self, pci):
        self.pduUserData = pci.pduUserData
        self.pduSource = pci.pduSource
        self.pduDestination = pci.pduDestination
Empty all the queued messages for an existing topic.
dataset/ETHPy150Open JoelBender/bacpypes/py25/bacpypes/comm.py/PCI.update--crossover with--dataset/ETHPy150Open wtolson/gnsq/gnsq/nsqd.py/Nsqd.empty_topic