in zktraffic/omni/omni_sniffer.py [0:0]
def _find_sniffer_for_packet(self, packet):
sniffer = None
src, dst = self._parse_packet_src_dst(packet)
if src in self._sniffers: sniffer = self._sniffers[src]
if dst in self._sniffers: sniffer = self._sniffers[dst]
assert sniffer is None or isinstance(sniffer, SnifferBase)
return sniffer