u_char *
var_snmp(struct variable *vp,
oid * name,
size_t * length,
int exact, size_t * var_len, WriteMethod ** write_method)
{
static long long_ret;
*write_method = 0; /* assume it isnt writable for the time being */
*var_len = sizeof(long_ret); /* assume an integer and change later if not */
if (header_generic(vp, name, length, exact, var_len, write_method)
== MATCH_FAILED)
return NULL;
/*
* this is where we do the value assignments for the mib results.
*/
if (vp->magic == SNMPENABLEAUTHENTRAPS) {
*write_method = write_snmp;
long_return = snmp_enableauthentraps;
return (u_char *) & long_return;
} else if ((vp->magic >= 1)
&& (vp->magic <=
(STAT_SNMP_STATS_END - STAT_SNMP_STATS_START + 1))) {
long_ret =
snmp_get_statistic(vp->magic + STAT_SNMP_STATS_START - 1);
return (unsigned char *) &long_ret;
}
return NULL;
}
u_char *
var_usmStats(
struct variable *vp,
oid *name,
size_t *length,
int exact,
size_t *var_len,
WriteMethod **write_method)
{
/* variables we may use later */
static long long_ret;
int tmagic;
*write_method = 0; /* assume it isnt writable for the time being */
*var_len = sizeof(long_ret); /* assume an integer and change later if not */
if (header_generic(vp,name,length,exact,var_len,write_method))
return 0;
/* this is where we do the value assignments for the mib results. */
tmagic = vp->magic;
if ( (tmagic >= 0)
&& (tmagic <= (STAT_USM_STATS_END - STAT_USM_STATS_START)) )
{
long_ret = snmp_get_statistic(tmagic + STAT_USM_STATS_START);
return (unsigned char *) &long_ret;
}
return 0;
}
int
get_unavailable_context_count(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
/*
* we're only called for GETs of the right node, so this is easy:
*/
u_long long_ret =
snmp_get_statistic(STAT_SNMPUNAVAILABLECONTEXTS);
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) & long_ret, sizeof(long_ret));
return SNMP_ERR_NOERROR;
}
static int
netsnmp_get_statistic_helper_handler(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
if (reqinfo->mode == MODE_GET) {
const oid idx = requests->requestvb->name[reginfo->rootoid_len - 2] +
(oid)(uintptr_t)handler->myvoid;
uint32_t value;
if (idx > NETSNMP_STAT_MAX_STATS)
return SNMP_ERR_GENERR;
value = snmp_get_statistic(idx);
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(const u_char*)&value, sizeof(value));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
static int
handle_snmp(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
switch (reqinfo->mode) {
case MODE_GET:
{
oid idx = requests->requestvb->name[OID_LENGTH(snmp_oid)];
switch(idx) {
case 7:
case 23:
case 30:
netsnmp_set_request_error(reqinfo, requests,
SNMP_NOSUCHOBJECT);
break;
default:
{
u_int value =
snmp_get_statistic(idx - 1 + STAT_SNMPINPKTS);
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *)&value, sizeof(value));
}
break;
}
}
break;
default:
snmp_log(LOG_ERR,
"unknown mode (%d) in handle_snmp\n", reqinfo->mode);
return SNMP_ERR_GENERR;
}
return SNMP_ERR_NOERROR;
}
