[tor-bugs] #19259 [Metrics/Onionoo]: uncaught NFE

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jun 8 14:12:21 UTC 2016


#19259: uncaught NFE
-----------------------------+-----------------------------------
 Reporter:  iwakeh           |          Owner:  iwakeh
     Type:  defect           |         Status:  needs_information
 Priority:  High             |      Milestone:
Component:  Metrics/Onionoo  |        Version:
 Severity:  Major            |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
-----------------------------+-----------------------------------

Comment (by karsten):

 Fine questions!  Let's see:

  - The first timestamp should not precede the second, though that might
 not be checked in the current code.  This is independent of whether
 timestamps are on the same day or not, so should contain your lines 1 and
 3.  I could imagine that these lines don't work well with the
 `compressHistory()` method, but I didn't try that out.  We could add a
 check to make sure these lines are rejected.
  - Negative values are fine and simply indicate that a value is missing.
 Normally, we'd put in -1.0, but any other negative value should do just
 fine.  No need to break in such cases.

 Note that I took a quick look at the code to answer these questions, but
 that doesn't guarantee that I'm right.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19259#comment:6>
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