I want to add one more thing.
The callback function has a type of FindVarMethod. I try to print debug
information at the beginning of this function.
在08-6-5，杨伟 <[EMAIL PROTECTED]> 写道：
>
> Thanks for reply.
>
> I write the debug information at the beginning of the callback function,
> tring to print message every time it is invoked.
>
> In my imaginatine, this callback function is called every time when a get
> request is coming. Of course, when the request is asking for the information
> in the perticular table. But I can't see the information on the screen every
> time.Some time it is printed, but not for sure.
>
> I use the MIB browser to see what happens. Every time it returns a value,
> which is the value set by me in the callback function. But no debug
> information printed on the screen.That is why I am curious about the
> operation of Net-Snmp.
>
> I want to know whether the callback function is invoked when a request is
> coming?
>
> Thanks
> Richard
>
>
>
> 2008/6/5, Dave Shield <[EMAIL PROTECTED]>:
>>
>> Sometimes.
>>
>> 杨伟 wrote:
>>
>>> I tried to print some debug information on the screen. It is strange for
>>> me that the message is not printed every time when I try to get this value.
>>> I am so curious about this.
>>>
>>
>> But not curious enough to give us any details to work with, I notice.
>>
>> It is impossible to answer your question without more information about
>> exactly
>> where your debug information is, what module you are trying to monitor,
>> how
>> this has been implemented, etc.
>> *Some* modules will cache data and re-use it for subsequent requests.
>> Other modules will retrieve the underlying data every time.
>>
>> Or there might be something else going on. But given the minimal
>> information you have provided, it's impossible to tell.
>>
>> Dave
>>
>
>
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