[AGENT++] Access to parent or sibling MIB OIDs from an AgentX subagent

[Frank Fock]

Hi Steven,
An AgentX subagent is not supposed to be able to get any information from other subagents and even the master agent. AgentX shared tables is the only option to sync the row indexes of those tables. 
As a consequence, the MIB structure must already support the master/subagent concept. Otherwise your task could get very difficult.

Best regards 
Frank


> Am 18.02.2015 um 10:40 schrieb MATTY, Steven <steven.matty at astrium.eads.net>:
> 
> Hi
> 
> I am in the process of converting a single, large monolithic SNMP Agent to a distributed Master/SubAgent AgentX++ model.
> We use AgenPro to generate our MIB code. Some MIB elements have validation in their respective OIDs' value_ok() methods which reference elements in other (currently linked into the same executable) MIBs, e.g.
> 
> Setting mibA.name will check the value of mibB.name to check they are not identical :
> 
> bool mibA_name::value_ok(const Vbx& vb)
> {
>  bool result=true;
>  char *valueB = mibB_name::instance->get_state().get_printable();
> 
>  // The value cannot be the same as the value of name in mibB
> if(strcmp(valueB, vb.get_printable()==0)
>  {
>    result=false;
>  }
>  return result;
> }
> 
> So, my question is - using the AgentX++ Master/SubAgent model, can a  SubAgent access OIDs from elsewhere in the MIB, without resorting to executing  snmp get ...
> 
> Regards
> 
> Steve
> 
> 
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