BIND 10 #1534: socket creator should set IPV6_USE_MIN_MTU for AF_INET6 UDP sockets

[BIND 10 Development]

#1534: socket creator should set IPV6_USE_MIN_MTU for AF_INET6 UDP sockets
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                   Reporter:         |                 Owner:  vorner
  jinmei                             |                Status:  reviewing
                       Type:         |             Milestone:
  defect                             |  Sprint-20120306
                   Priority:  major  |            Resolution:
                  Component:  Boss   |             Sensitive:  0
  of BIND                            |           Sub-Project:  Core
                   Keywords:         |  Estimated Difficulty:  2
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:  UnAssigned => vorner


Comment:

 Not that it could currently be a problem I think, but it seems slightly
 better to me to only set IPV6_MTU if IPV6_USE_MIN_MTU actually does not
 exist; So I propose to change the code slightly to
 {{{
 if defined(IPV6_USE_MIN_MTU)
     foo
 elif defined(IPV6_MTU)
     bar
 fi

 I would also like to request that you add a comment in the unittest file
 at closeCall(), warning that you should really reset the close_called
 value before you run the code that is supposed to call close :) (i'd
 almost suggest one would use a fixture but the hassles of bound methods
 are probably not worth working around for the current two tests)

 Apart from that, it looks good :)

-- 
Ticket URL: <http://bind10.isc.org/ticket/1534#comment:7>
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