BIND 10 #1600: Use UDPSyncServer for b10-auth

[BIND 10 Development]

#1600: Use UDPSyncServer for b10-auth
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                   Reporter:         |                 Owner:  kevin_tes
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20120320
  medium                             |            Resolution:
                  Component:         |             Sensitive:  0
  b10-auth                           |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  5
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:  auth   |
  performance                        |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by muks):

 Replying to [comment:17 jinmei]:
 > Regarding the code, it's not exception safe: If message->toWire()
 > throws in the middle of it, renderer_ will keep remembering the
 > previously set buffer.  In the version of the base for trac1600 it
 > doesn't matter much because the process will immediately die anyway.
 > But the latest code catch the condition and continue to the next
 > message.  So once this branch is merged this bug becomes more
 > critical.

 kevin_tes: Was MessageRendererHandle introduced to address this issue?

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Ticket URL: <http://bind10.isc.org/ticket/1600#comment:22>
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