[SNMP4J] Re: unable to add community name to SampleAgent

[Jeff Ramin]

Can anybody help me? Am I completely off the mark? Missing one
critical step? If I'm unable to do this, I may have to choose
another package entirely.

Thanks.


Jeff Ramin wrote:
> 
> Hi folks.
> 
> I'm using the latest snmp4jagent library (1.2.2), and I have the
> SampleAgent running.
> 
> I want to add another community name that the agent will accept
> from a v2c client. I've stolen some code from the 
> TestAgent.addCommunities()
> method and added it to the SampleAgent. These are the changes I've made:
> 
> I save the engine context id when creating the AgentConfigManager for
> later use:
> 106c115,116
> <     agent = new AgentConfigManager(new 
> OctetString(MPv3.createLocalEngineID()),
> ---
>  >     engineContextID = new OctetString(MPv3.createLocalEngineID());
>  >     agent = new AgentConfigManager(engineContextID,
> 
> I create and save an SnmpCommunityMIB object in the constructor for
> later use:
> 115c125,133
> <   }
> ---
>  >
>  >   SnmpTargetMIB targetMIB = new SnmpTargetMIB(messageDispatcher);
>  >   communityMIB = new SnmpCommunityMIB(targetMIB);
>  >   }
> 
> In main(), right after the sampleAgent.run() call, I try to add a
> community name by calling the new method:
> 387a406,407
>  >
>  >       addCommunity("test");
> 
> and here is my addCommunity() method, stolen from TestAgent:
>   private static void addCommunity(String community) {
> 
>       // add row to SnmpCommunityMIB table
>       Variable[] com2sec = new Variable[] {
>           new OctetString(community),              // community name
>           new OctetString("cpublic"),              // security name
>           engineContextID,        // local engine ID
>           new OctetString("public"),              // default context name
>           new OctetString(),                      // transport tag
>           new Integer32(StorageType.nonVolatile), // storage type
>           new Integer32(RowStatus.active)         // row status
>       };
>       MOTableRow row = 
> communityMIB.getSnmpCommunityEntry().createRow(new 
> OctetString("public2public").toSubIndex(true), com2sec);
>       communityMIB.getSnmpCommunityEntry().addRow(row);
>   }
> 
> 
> 
> 
> I don't see any errors, but the agent rejects requests that use
> the community name "test".
> 
> Could somebody explain what I'm doing wrong? Thanks!
> 
> 
> 

-- 
Jeffrey Ramin
Berbee
ramin at berbee.com
608.298.1024