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#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "expScalars.h"
#include "expExpression.h"
/** Initializes the expScalars module */
void
init_expScalars(void)
{
static oid expResource_oid[] = { 1, 3, 6, 1, 2, 1, 90, 1, 1 };
DEBUGMSGTL(("expScalars", "Initializing\n"));
netsnmp_register_scalar_group(
netsnmp_create_handler_registration("expResource",
handle_expResourceGroup,
expResource_oid, OID_LENGTH(expResource_oid),
HANDLER_CAN_RONLY),
EXP_RESOURCE_MIN_DELTA, EXP_RESOURCE_SAMPLE_LACKS);
}
int
handle_expResourceGroup(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
oid obj;
long value = 0;
switch (reqinfo->mode) {
case MODE_GET:
obj = requests->requestvb->name[ requests->requestvb->name_length-2 ];
switch (obj) {
case EXP_RESOURCE_MIN_DELTA:
value = 1; /* Fixed minimum sample frequency */
snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
(u_char *)&value, sizeof(value));
break;
case EXP_RESOURCE_SAMPLE_MAX:
value = 0; /* No fixed maximum */
snmp_set_var_typed_value(requests->requestvb, ASN_UNSIGNED,
(u_char *)&value, sizeof(value));
break;
case EXP_RESOURCE_SAMPLE_INSTANCES:
#ifdef USING_DISMAN_EXPR_EXPEXPRESSION_MODULE
value = expExpression_getNumEntries(0);
#else
value = 0;
#endif
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
(u_char *)&value, sizeof(value));
break;
case EXP_RESOURCE_SAMPLE_HIGH:
#ifdef USING_DISMAN_EXPR_EXPEXPRESSION_MODULE
value = expExpression_getNumEntries(1);
#else
value = 0;
#endif
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
(u_char *)&value, sizeof(value));
break;
case EXP_RESOURCE_SAMPLE_LACKS:
value = 0; /* expResSampleInstMax not used */
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *)&value, sizeof(value));
break;
default:
snmp_log(LOG_ERR,
"unknown object (%d) in handle_expResourceGroup\n", (int)obj);
return SNMP_ERR_GENERR;
}
break;
default:
/*
* Although expResourceDeltaMinimum and expResDeltaWildcardInstMaximum
* are defined with MAX-ACCESS read-write, this version hardcodes
* these values, so doesn't need to implement write access.
*/
snmp_log(LOG_ERR,
"unknown mode (%d) in handle_expResourceGroup\n",
reqinfo->mode);
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
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