Re: timeticks in second and send a easy trap

> > "send_easy_trap" isn't really sufficient for your requirements here.

> > > You should probably look at using 'send_enterprise_trap_vars()'
> > > in order to specify your Enterprise OID value.
> > >
> > > Dave
> > >
> >
> > [MIB]
> > myMibTrap ::= { enterprise 920 }
> >
> > demoTrap       NOTIFICATION-TYPE
> > STATUS         current
> > DESCRIPTION     "Send a message to the manager when the DHCP setting is
> >                              chaged"
> > ::= { myMibTrap 1 }
> > [/MIB]
>
> One suggestion - I'd insert an extra definition between myMibTrap and
> demoTrap:
>
> > myMibTrap  ::= { enterprise 920 }
> > myMibTrap0 ::= { myMibTrap 0 }
> > demoTrap       NOTIFICATION-TYPE  ...
> > ::= { myMibTrap0 1 }
>
> That will keep the SNMPv1<->SNMPv2 translations consistent.
>
>
>
> > int specific = 1;
> > oid  trapOid = { SNMP_OID_ENTERPRISES, 920 };
> > oid flagOid = { PRIVATE_OID_DHCP_FLAG };
> > struct variable_list varList;
>
> > send_enterprise_trap_vars( SNMP_TRAP_ENTERPRISESPECIFIC,
> >     specific, trapOid, sizeof(trapOid), varList);
> >
> > Is the above code right ?
>
> Nearly.
> You need to pass a *pointer* to varList, rather than the struct itself.
>
>
> > and does some useful function to set the variable_list
>
> snmp_set_var_objid()  to set the name
> snmp_set_var_typed_value() or
> snmp_set_var_typed_integer() to set the value
>
> Dave


I follow the steps and pass a pointer to varList instead varList itself.
Make sure that the callback function is triggered while the value is changed
, but

 myMibTrap  ::= { enterprise 920 999}
 myMibTrap0 ::= { myMibTrap 0 }
 demoTrap       NOTIFICATION-TYPE  ...
 ::= { myMibTrap0 1 }

(assume 920 is my organization oid)

#define MY_MIB_TRAP_OID SNMP_OID_ENTERPRISES, 920, 999
#define MY_OID_COMMOM SNMP_OID_ENTERPRISES, 920, 1

cb_func( cfgchange_params_t * cfgchange_params) {
struct variable_list vars;
oid trapoid[] = { MY_OID_TRAP_COMMON };
oid testFlagoid[] = {MY_OID_COMMON, 1, 2 };

memset(&vars, 0, sizeof(struct variable_list));
vars.next_variable = NULL;
snmp_set_var_objid(&vars, stbDhcpMode_oid, OID_LENGTH(stbDhcpMode_oid));
snmp_set_var_value(&vars,(u_char*)cfgchange_params->buffer,
cfgchange_params->bufsize);
vars.type = ASN_INTEGER;
send_enterprise_trap_vars( SNMP_TRAP_ENTERPRISESPECIFIC, 1,
trapoid,OID_LENGTH(trapoid), &vars );
}

the error message pop out to me:
snmpd: send_trap: Error building ASN.1 representation (build int size 5: s/b
4)

I can't make sure what the red parts actually mean.

Jack

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