Re: Agent Implimentation

On Tue, 2007-04-03 at 12:16 -0700, Reza Salehi wrote:
> Hi,
>  
> I have a question about implementing a MIB in agent side .Right now
> for adding and implementing each MIB I need to compile the agent and
> add my code to that. Is there anyway that I can run my code separately
> and just refresh some variables (MIBS object) on agent.
> Is there any sample code for that?

I've had that situation before.

Your application runs appart from the agent and you need the agent to
fetch OIDs that reside primarilly on your application. Is this right ?

What I did was design my application to listen on a UNIX socket for
requests from the agent. Then, in the agent code I simply create a
socket, connect it to the server an retrieve the information. This is a
synchronous approach as the agent will always get the information when
it needs it.

Similar to this, you have the AgentX approach, fully suported by
net-snmp in which you would not have to code the agent. Your application
would need to act as an agentX though (there is an API for that). Check
the documentation. There is Perl if you like it (I do :-))

Another option is your application would write the information to a
common file on disk and then program the agent to read from that file
(this is not a good approach for big mibs or for many OIDs)

Well, I hope I helped.

Cheers
joao
jmf



>  
> Appreciate your help,
> Reza
>  
>  
> 
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