BIND 10 #3062: Create generic "CalloutHandle" store

[BIND 10 Development]

#3062: Create generic "CalloutHandle" store
-------------------------------------+-------------------------------------
            Reporter:  stephen       |                        Owner:
                Type:  enhancement   |  UnAssigned
            Priority:  medium        |                       Status:
           Component:  dhcp          |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-DHCP-20130731
         Sub-Project:  DHCP          |                   Resolution:
Estimated Difficulty:  0             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
-------------------------------------+-------------------------------------
Changes (by stephen):

 * owner:  stephen => UnAssigned
 * status:  accepted => reviewing


Comment:

 Now ready for review.

 Interestingly enough, there was a bug in the previous server-specific
 implementation in that the stored !CalloutHandlePtr was not declared
 static.  As a result, a new !CalloutHandle was being returned on every
 call.

-- 
Ticket URL: <http://bind10.isc.org/ticket/3062#comment:2>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development