BIND 10 #772: Update xfrout to use ACL checking library

[BIND 10 Development]

#772: Update xfrout to use ACL checking library
-------------------------------------+-------------------------------------
                   Reporter:         |                 Owner:  vorner
  stephen                            |                Status:  reviewing
                       Type:         |             Milestone:
  enhancement                        |  Sprint-20110802
                   Priority:  major  |            Resolution:
                  Component:         |             Sensitive:  0
  xfrout                             |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  3.0
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 ah, overlooked one point: we should probably reset has_ipv6 to the
 original value after this test:
 {{{
         xfrout.socket.has_ipv6 = False
         sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         sock.connect(('127.0.0.1', 12345))
         self.assertEqual(('127.0.0.1', 12345),
                          self.unix._guess_remote(sock.fileno()))
 }}}

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Ticket URL: <http://bind10.isc.org/ticket/772#comment:16>
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