>>>>> On Wed, 3 Sep 2008 11:13:58 +0200, "Raghavendra Prasad" said:

RP> is NOTIFICATION TYPE a must to send traps? Can't I send a trap with
RP> just a normal MIB node OID, instead of combining normal OID with
RP> NOTIFICATION OID(like in examples/notification.c file) - if so how? In
RP> our project this option will be a great boon

You can use any OID, technically, as a notification OID... But no, a
notification "type" is defined by an OID that represents it. You could
always define a generic OID and just send extra varbind data within it,
but you have to, at a minimum, define an OID that represents the
notification you want to send.
--
Wes Hardaker
Sparta, Inc.

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Dear Wes,

Could you please be bit more explicit. I seem to have implemented
what have you suggested in the following small example it works and
successfully sends the traps

I am sending trap for the following mib node:
configType OBJECT-TYPE
SYNTAX INTEGER
{
standard ( 1 ),
high-power ( 2 )
}
ACCESS read-write
STATUS mandatory
DESCRIPTION
"Standard = Solid state power amplifier High-power = Dual klystron
power amplifier
1 - standard
2 - high-power"
::= { config 1}



This is the piece of code that sends the trap

void
init_config_trap(void)
{
config = get_config_pointer();

snmp_alarm_register(5, /* seconds */
SA_REPEAT, /* repeat (every 5 seconds). */
send_configTypeNotification_trap, /* our callback */
NULL /*No callback data needed */
);

}

int
send_configTypeNotification_trap( void )
{
oid snmptrap_oid[] = {1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0};
netsnmp_variable_list *var_list = NULL;
oid configType_oid[] = { 1,3,6,1,4,1,6212,2,2,1, 0 };

snmp_varlist_add_variable(&var_list,
snmptrap_oid, OID_LENGTH(snmptrap_oid),
ASN_OBJECT_ID,
configType_oid, sizeof(configType_oid));



/*
* Add any objects from the trap definition
*/
snmp_varlist_add_variable(&var_list,
configType_oid, OID_LENGTH(configType_oid),
ASN_INTEGER,
(u_char *)&(config->configType), /* Set an appropriate
value for configType */
sizeof(config->configType) );

/*
* Send the trap to the list of configured destinations
* and clean up
*/
DEBUGMSGTL(("config", "Sending the configType trap \n"));

send_v2trap( var_list );
snmp_free_varbind( var_list );

return SNMP_ERR_NOERROR;
}



In the above example I am assuming that "snmptrap_oid[] = {1, 3, 6,
1, 6, 3, 1, 1, 4, 1, 0};" is the generic OID you were refering to in
your reply.

Does this working piece of code correctlty intreprete your previous
reply?? kindly confirm.

With regards,
Raghavendra

On 9/4/08, Wes Hardaker wrote:
>>>>>> On Wed, 3 Sep 2008 11:13:58 +0200, "Raghavendra Prasad"
>>>>>> said:
>
> RP> is NOTIFICATION TYPE a must to send traps? Can't I send a trap with
> RP> just a normal MIB node OID, instead of combining normal OID with
> RP> NOTIFICATION OID(like in examples/notification.c file) - if so how? In
> RP> our project this option will be a great boon
>
> You can use any OID, technically, as a notification OID... But no, a
> notification "type" is defined by an OID that represents it. You could
> always define a generic OID and just send extra varbind data within it,
> but you have to, at a minimum, define an OID that represents the
> notification you want to send.
> --
> Wes Hardaker
> Sparta, Inc.
>

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