BIND 10 #1390: update b10-auth to pass IXFR-request to xfrout

[BIND 10 Development]

#1390: update b10-auth to pass IXFR-request to xfrout
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:  major  |  Sprint-20111122
                  Component:         |            Resolution:
  b10-auth                           |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:   => UnAssigned
 * status:  new => reviewing


Comment:

 I don't think it is inappropriate, and I even think it'll help getting
 #1371 and #1372 done (since you can then directly play with what you are
 building)

 So I've did this; change the name of processAxfr to processXfr in auth,
 and not return NOTIMPL on IXFR requests.

 The changes on the xfrout daemon are minimal; it does one extra check (to
 see if there is a SOA in the request if it is an IXFR), and I've renamed a
 few log identifiers (they had AXFR in their name, but are valid for  both
 AXFR and IXFR). It now responds exactly as if it was a AXFR request (since
 the handling is to be done in #1371/2).

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Ticket URL: <http://bind10.isc.org/ticket/1390#comment:1>
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