handle timeout attribute at __init__ instead of when starting the timer.

[Vizonex]

What do these changes do?

This change moves the timeout to a better more optimized location which will ultimately increase the performance of the timeout loop.

Are there changes in behavior for the user?

There aren't any. In fact nothing new needs to be added in which is a bonus.

Related issue number

Checklist

• I think the code is well written
• Unit tests for the changes exist
• Documentation reflects the changes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.53%. Comparing base (5ffa111) to head (0724652).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #243      +/-   ##
==========================================
+ Coverage   98.46%   98.53%   +0.06%     
==========================================
  Files           5        5              
  Lines        1433     1432       -1     
  Branches       74       74              
==========================================
  Hits         1411     1411              
  Misses         16       16              
+ Partials        6        5       -1     

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[saghul]

Unlike before, we lose track of the original timeout with your change. I need to check if that has actual implications here.

[saghul]

Have you actually tested this? It's broken.

The reason why we used a different timeout for arming our timer is because of some old c-ares bug IIRC, that's why we poll every 100 ms. Probably worth revisiting, since a lot has changed since.

The real timeout needs to be passed to to c-ares unmodified, of course.

Note, however, that our own timer will now only be used in the fallback case, since we use the event thread by default, which doesn't need it.

[saghul]

.