Re: Doing things in a callback routine

Dave Shield wrote:
> On 29 March 2010 16:16, Thomas Andrews <[email protected]> wrote:
>> In a callback routine for netsnmp_register_int_instance() I would like
>> to be able to do things like turn on a kettle.
>>
>> My problem is that in the callback I don't know if it's a GET or a SET.
> 
> Have a look at the "watched_scalar" helper instead.
> This uses the standard handler API, so does provide
> information about GET vs SET, etc.

Thanks Dave. I'm now using the example at 
http://net-snmp.sourceforge.net/dev/agent/watched_8c-example.html

Unfortunately compiling that code gives me this error:

   undefined reference to `netsnmp_init_watcher_info6'

I have the following debs installed:

libsnmp-base 5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)
libsnmp-dev  5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)
libsnmp-perl 5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)
libsnmp15    5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)
snmp         5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)
snmpd        5.4.1~dfsg-12 SNMP (Simple Network Management Protocol)

Are `netsnmp_init_watcher_info6' and `netsnmp_init_watcher_info' too new 
for my version of net-snmp ? I can't find any references to them in 
/usr/include/net-snmp.

Many thanks,
Thomas

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