bgpd: Implement SNMP BGP4V2-MIB (bgp4V2PeerEventTimesTable)

```
$ snmpwalk -c public -v1 localhost .1.3.6.1.3.5.1.1.4.1
iso.3.6.1.3.5.1.1.4.1.1.1.4.192.168.10.64 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.1.1.4.192.168.10.65 = Gauge32: 18
iso.3.6.1.3.5.1.1.4.1.1.2.16.42.2.71.128.1.35.0.0.0.0.0.0.0.0.0.2 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.1.2.16.42.12.47.7.72.150.6.102.0.0.0.0.0.0.177.121 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.1.2.16.42.12.47.7.72.150.6.102.0.0.0.0.0.0.177.128 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.2.1.4.192.168.10.64 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.2.1.4.192.168.10.65 = Gauge32: 17
iso.3.6.1.3.5.1.1.4.1.2.2.16.42.2.71.128.1.35.0.0.0.0.0.0.0.0.0.2 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.2.2.16.42.12.47.7.72.150.6.102.0.0.0.0.0.0.177.121 = Gauge32: 0
iso.3.6.1.3.5.1.1.4.1.2.2.16.42.12.47.7.72.150.6.102.0.0.0.0.0.0.177.128 = Gauge32: 0
```

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2022-12-01 13:26:19 +02:00
parent b85dd40ff6
commit 109cd5f5d0

View File

@ -380,6 +380,40 @@ static uint8_t *bgpv2PeerErrorsTable(struct variable *v, oid name[],
return NULL;
}
static uint8_t *bgpv2PeerEventTimesTable(struct variable *v, oid name[],
size_t *length, int exact,
size_t *var_len,
WriteMethod **write_method)
{
struct peer *peer;
struct ipaddr addr = {};
if (smux_header_table(v, name, length, exact, var_len, write_method) ==
MATCH_FAILED)
return NULL;
peer = bgpv2PeerTable_lookup(v, name, length, exact, &addr);
if (!peer)
return NULL;
switch (v->magic) {
case BGP4V2_PEER_FSM_ESTABLISHED_TIME:
if (!peer->uptime)
return SNMP_INTEGER(0);
else
return SNMP_INTEGER(monotime(NULL) - peer->uptime);
case BGP4V2_PEER_PEER_IN_UPDATES_ELAPSED_TIME:
if (!peer->update_time)
return SNMP_INTEGER(0);
else
return SNMP_INTEGER(monotime(NULL) - peer->update_time);
default:
break;
}
return NULL;
}
static struct variable bgpv2_variables[] = {
/* bgp4V2PeerEntry */
{BGP4V2_PEER_INSTANCE,
@ -671,6 +705,31 @@ static struct variable bgpv2_variables[] = {
bgpv2PeerErrorsTable,
6,
{1, 3, 1, BGP4V2_PEER_LAST_ERROR_SENT_DATA, 2, 16}},
/* bgp4V2PeerEventTimesEntry */
{BGP4V2_PEER_FSM_ESTABLISHED_TIME,
ASN_UNSIGNED,
RONLY,
bgpv2PeerEventTimesTable,
6,
{1, 4, 1, BGP4V2_PEER_FSM_ESTABLISHED_TIME, 1, 4}},
{BGP4V2_PEER_FSM_ESTABLISHED_TIME,
ASN_UNSIGNED,
RONLY,
bgpv2PeerEventTimesTable,
6,
{1, 4, 1, BGP4V2_PEER_FSM_ESTABLISHED_TIME, 2, 16}},
{BGP4V2_PEER_PEER_IN_UPDATES_ELAPSED_TIME,
ASN_UNSIGNED,
RONLY,
bgpv2PeerEventTimesTable,
6,
{1, 4, 1, BGP4V2_PEER_PEER_IN_UPDATES_ELAPSED_TIME, 1, 4}},
{BGP4V2_PEER_PEER_IN_UPDATES_ELAPSED_TIME,
ASN_UNSIGNED,
RONLY,
bgpv2PeerEventTimesTable,
6,
{1, 4, 1, BGP4V2_PEER_PEER_IN_UPDATES_ELAPSED_TIME, 2, 16}},
};
int bgp_snmp_bgp4v2_init(struct thread_master *tm)