[Twisted-Python] Reactor Spinning?

[Itamar Turner-Trauring]

>
> I've confirmed that when spinning the FD corresponds with a client
> connection.  What would you suggest logging that might provide some
> insight?

What is the transport's writeSomeData() method doing? Is it actually
trying to write an empty string? Transition from/to writeable state may
also be interesting, along with logging size of transport's buffer (so
logging in stopWriting/startWriting).