BIND 10 #225: b10-auth fails if ran from source tree

[BIND 10 Development]

#225: b10-auth fails if ran from source tree
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 Reporter:  jreed     |        Owner:  UnAssigned                                    
     Type:  defect    |       Status:  reviewing                                     
 Priority:  major     |    Milestone:  05. 3rd Incremental Release: Serious Secondary
Component:  b10-auth  |   Resolution:                                                
 Keywords:            |    Sensitive:  0                                             
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Comment(by jinmei):

 - I don't like to see hardcoded magic values such as "src/bin/auth".
 understanding this is probably a short-to-middle term hack, I can live
 with that, but if possible please consider centralizing the definition of
 these things
  - Please add tests for xfrin
  - xfrout: shouldn't we perform remove_remote_config() somewhere?
  - !UnixSockServer.get_db_file() do we really need to acquire a lock here?
 with your change it seems to eliminate the possibility of race.  besides,
 since get_remote_config_value() can be time consuming (right?), this can
 be a giant lock.
  - changelog: s/feature/func/ (unless you tried to rename func to feature,
 but that should go to a different ticket anyway)

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Ticket URL: <http://bind10.isc.org/ticket/225#comment:6>
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