Path and Time Flow Table

openoptics.TimeFlowTable.Path(src, ...)	A packet forwarding path.
openoptics.TimeFlowTable.Step([cur_node, ...])	One step in a path containing (send time slice && send port) or the node sent to.
openoptics.TimeFlowTable.TimeFlowEntry(dst)	An entry in a time flow table.
openoptics.TimeFlowTable.TimeFlowHop([...])	A hop in a time flow entry.