Hi All,
I was testing the snmpset with the example file scalar_int.c that
comes with the net-snmp. I extended it to test set but it is failing
every time giving following error in the mib-browser.
THIS IS THE RESPONSE FOR THE SET REQUEST
Request Failed: Get Response PDU received from 127.0.0.1
Error Indication in response: A not writable error occured.
Errindex: 1
Is anything am i doing wrong.
OUTPUT OF THE BELOW PROGRAM is
Default value is 42
DEFAULT value is 2
***********INSIDE setFunc*********
inside MODE_SET_RESERVE1
***********INSIDE setFunc*********
inside MODE_SET_FREE
BELOW IS THE EXAMPLE CODE WHICH I TRIED.
THE REGISTRATION METHOD
netsnmp_register_int_instance("my example int variable",
my_registration_oid,
OID_LENGTH(my_registration_oid),
&example1, setFunc);
DEBUGMSGTL(("example_scalar_int",
"Done initalizing example scalar int\n"));
}
HANDLER FUNCTION
int setFunc(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
printf("***********INSIDE setFunc*********\n");
int *pexample = NULL;
switch(reqinfo->mode)
{
case MODE_GET:
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
(u_char *)&example1
,sizeof(int)
);
break;
case MODE_SET_RESERVE1:
printf( "inside MODE_SET_RESERVE1\n");
if ( requests->requestvb->type != ASN_INTEGER ) {
printf( "wrong type\n");
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_WRONGTYPE
);
return SNMP_ERR_WRONGTYPE;
}
if ( (*(requests->requestvb->val.integer) > 1 ) ||
(*(requests->requestvb->val.integer) < 0))
{
printf( "wrong value\n");
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_WRONGVALUE
);
return SNMP_ERR_WRONGVALUE;
}
break;
case MODE_SET_RESERVE2:
printf( "inside MODE_SET_RESERVE2\n");
/*
* XXX malloc "undo" storage buffer
*/
memdup((u_char **)&pexample, (u_char *)&example1,
sizeof(example1));
if ( pexample == NULL ) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_RESOURCEUNAVAILABLE);
return SNMP_ERR_NOERROR;
}
break;
case MODE_SET_FREE:
printf( "inside MODE_SET_FREE \n");
break;
case MODE_SET_ACTION:
printf( "Inside MODE_SET_ACTION\n");
example1 = *(requests->requestvb->val.integer);
break;
case MODE_SET_COMMIT:
printf( "Inside MODE_SET_COMMIT\n");
break;
case MODE_SET_UNDO:
printf("Inside MODE_SET_UNDO\n");
break;
default:
printf( "inside default\n");
/*
* we should never get here, so this is a really bad error
*/
return SNMP_ERR_GENERR;
}
/*if (handler->next && handler->next->access_method)
return netsnmp_call_next_handler(handler, reginfo, reqinfo,
requests);*/
return SNMP_ERR_NOERROR;
}
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