[SNMP4J] Agent Notification Example

[Prusi, Jesse R]

My problem was that I was using SNMP4J-Agent v1.0-alpha1.  I switched to
v1.0-alpha2 in which the BaseAgent class includes a
notificationOriginator (not local to the init() method).  I can now use
the following code in the TestAgent class:

notificationOriginator.notify(new OctetString(),
				  SnmpConstants.coldStart,
				  new VariableBinding[0]); 

Thanks,
Jesse


-----Original Message-----
From: snmp4j-bounces at agentpp.org [mailto:snmp4j-bounces at agentpp.org] On
Behalf Of Prusi, Jesse R
Sent: Wednesday, April 05, 2006 10:44 AM
To: Frank Fock
Cc: snmp4j at agentpp.org
Subject: RE: [SNMP4J] Agent Notification Example

Frank,

Here is what I did to send a trap from the TestAgent class:

1) I set the NotificationOriginator in the finishInit() method of
BaseAgent.

  protected void finishInit(VacmMIB vacmMIB, SnmpTargetMIB targetMIB,
                          SnmpNotificationMIB notificationMIB,
                          NotificationOriginator notificationOriginator)
{
    agent.addMOServer(server);
    addViews(vacmMIB);
    addNotificationTargets(targetMIB, notificationMIB);
    agent.setNotificationOriginator(notificationOriginator);  // ADDED
    agent.setVacm(vacmMIB);
    dispatcher.addCommandResponder(agent);

    notificationOriginator.notify(new OctetString(),
SnmpConstants.coldStart,
                                  new VariableBinding[0]);
  }


2) I added a simple method in TestAgent to send a trap

  // ADDED
  public void sendTrap(){
	  agent.notify(new OctetString(),
			  SnmpConstants.coldStart,
			  new VariableBinding[0]);
  }

3) I called the sendTrap() method from main() in TestAgent

      testAgent1.run();
      testAgent1.sendTrap();   // ADDED

Is this a good approach?  Is there an easier way to send traps from
TestAgent without having to modifiy BaseAgent?

Thanks,
Jesse



-----Original Message-----
From: snmp4j-bounces at agentpp.org [mailto:snmp4j-bounces at agentpp.org] On
Behalf Of Prusi, Jesse R
Sent: Tuesday, April 04, 2006 4:56 PM
To: Frank Fock
Cc: snmp4j at agentpp.org
Subject: RE: [SNMP4J] Agent Notification Example

The NotificationOriginator in the BaseAgent is local to the init()
method.  I think it would make sense to call setNotificationOriginator()
from the init() method of BaseAgent.  This would allow you to call
agent.notify() from a class that extends BaseAgent.  Or is there another
way to do this that I'm not seeing?

Thanks,
Jesse

-----Original Message-----
From: Frank Fock [mailto:fock at agentpp.com]
Sent: Tuesday, April 04, 2006 4:47 PM
To: Prusi, Jesse R
Cc: snmp4j at agentpp.org
Subject: Re: [SNMP4J] Agent Notification Example

Jesse,

Creating a single NotificationOriginator(Impl) is enough.
The BaseAgent already has one. To send a notification call for example:

     notificationOriginator.notify(new OctetString(),
                                   SnmpConstants.coldStart,
                                   new VariableBinding[0]);

Best regards,
Frank

Prusi, Jesse R wrote:
> Can someone please give an example for sending notifications from an 
> agent?  Does a new NotificationOriginator need to be created for each 
> notification message?
> 
> Thanks,
> Jesse
> _______________________________________________
> SNMP4J mailing list
> SNMP4J at agentpp.org
> http://lists.agentpp.org/mailman/listinfo/snmp4j

-- 
AGENT++
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