BIND 10 #234: Receive of partial DNS message on TCP does not buffer properly

[BIND 10 Development]

#234: Receive of partial DNS message on TCP does not buffer properly
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 Reporter:  shane     |        Owner:                      
     Type:  defect    |       Status:  new                 
 Priority:  major     |    Milestone:  feature backlog item
Component:  b10-auth  |   Resolution:                      
 Keywords:            |    Sensitive:  0                   
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Comment(by jinmei):

 Replying to [ticket:234 shane]:
 > When we receive TCP data in the auth-srv, we parse it right away. If we
 only have a partial DNS message, the query fails. We should handle this
 properly, by buffering the data somehow.

 Is that true?  From a quick look at the TCPClient class implementation
 it doesn't seem to call AuthSrv::processMessage() until it receives a
 complete message.  (At least that was my intent of the
 implementation).

 (Yeah we need an abstract layer and unit tests for such cases,
 regardless)

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Ticket URL: <https://bind10.isc.org/ticket/234#comment:1>
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