[bind10-dev] Error: unexpected answer from ConfigManager

[Jelte Jansen]

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On 02/24/2010 04:41 PM, Jeremy C. Reed wrote:
> 
> After an update I went from two "unexpected answer" to only one:
> 
> Error: unexpected answer from ConfigManager
> {'specification_update': ['Auth', [{'item_name': 'default_name', 
> 'item_optional': False, 'item_default': 'Hello, world!', 'item_type': 
> 'string'}, {'item_name': 'zone_list', 'item_optional': False, 
> 'list_item_spec': {'item_name': 'zone_name', 'item_optional': False, 
> 'item_default': '', 'item_type': 'string'}, 'item_default': [], 
> 'item_type': 'list'}]]}

hmm, so what seems to happen is an asynchronicity problem;

cmdctl starts handling a message from the queue, during which it needs
to send a command, and it expects an answer back. But before that
command is sent another message arrived in the queue. The code it uses
for get the answer is the same (group_recvmsg()), so it'll get the
second message, instead of the answer which gets added to the end.

Michael? Is there a specific way it can do
'get-the-answer-that-was-created-with-group_reply()' or should cmdctl
(and other modules, for that matter) hold an internal queue of
non-answer messages that it needs to handle?

Jelte
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