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authorVincent Bernat <bernat@luffy.cx>2012-06-04 12:59:20 +0200
committerVincent Bernat <bernat@luffy.cx>2012-06-25 19:05:17 +0200
commitc349bb86927d1f5fc8aa8ebc6f553786f8e70634 (patch)
tree5560db37b8512a550dd33a7217577b54bf1cad15 /ospf6d
parent3bc4f84efe147ebc65fccbe898b81d78341c542b (diff)
ospf6d: add SNMP support for ospfv3*LsdbTable
This includes: - ospfv3AsLsdbTable - ospfv3AreaLsdbTable - ospfv3LinkLsdbTable
Diffstat (limited to 'ospf6d')
-rw-r--r--ospf6d/ospf6_snmp.c263
1 files changed, 174 insertions, 89 deletions
diff --git a/ospf6d/ospf6_snmp.c b/ospf6d/ospf6_snmp.c
index 1880fc0a..ce49331c 100644
--- a/ospf6d/ospf6_snmp.c
+++ b/ospf6d/ospf6_snmp.c
@@ -90,26 +90,20 @@
#define OSPFv3AREASTUBMETRICTYPE 15
#define OSPFv3AREATEENABLED 16
-/* OSPFv3 MIB AS Lsdb Table values: ospfv3AsLsdbTable */
-#define OSPFv3ASLSDBSEQUENCE 4
-#define OSPFv3ASLSDBAGE 5
-#define OSPFv3ASLSDBCHECKSUM 6
-#define OSPFv3ASLSDBADVERTISEMENT 7
-#define OSPFv3ASLSDBTYPEKNOWN 8
-
-/* OSPFv3 MIB Area Lsdb Table values: ospfv3AreaLsdbTable */
-#define OSPFv3AREALSDBSEQUENCE 5
-#define OSPFv3AREALSDBAGE 6
-#define OSPFv3AREALSDBCHECKSUM 7
-#define OSPFv3AREALSDBADVERTISEMENT 8
-#define OSPFv3AREALSDBTYPEKNOWN 9
-
-/* OSPFv3 MIB Link Lsdb Table values: ospfv3LinkLsdbTable */
-#define OSPFv3LINKLSDBSEQUENCE 6
-#define OSPFv3LINKLSDBAGE 7
-#define OSPFv3LINKLSDBCHECKSUM 8
-#define OSPFv3LINKLSDBADVERTISEMENT 9
-#define OSPFv3LINKLSDBTYPEKNOWN 10
+/* OSPFv3 MIB * Lsdb Table values: ospfv3*LsdbTable */
+#define OSPFv3WWLSDBSEQUENCE 1
+#define OSPFv3WWLSDBAGE 2
+#define OSPFv3WWLSDBCHECKSUM 3
+#define OSPFv3WWLSDBADVERTISEMENT 4
+#define OSPFv3WWLSDBTYPEKNOWN 5
+
+/* Three first bits are to identify column */
+#define OSPFv3WWCOLUMN 0x7
+/* Then we use other bits to identify table */
+#define OSPFv3WWASTABLE (1 << 3)
+#define OSPFv3WWAREATABLE (1 << 4)
+#define OSPFv3WWLINKTABLE (1 << 5)
+#define OSPFv3WWVIRTLINKTABLE (1 << 6)
/* OSPFv3 MIB Host Table values: ospfv3HostTable */
#define OSPFv3HOSTMETRIC 3
@@ -192,13 +186,6 @@
#define OSPFv3AREAAGGREGATEEFFECT 7
#define OSPFv3AREAAGGREGATEROUTETAG 8
-/* OSPFv3 MIB Virtual Link Lsdb Table values: ospfv3VirtLinkLsdbTable */
-#define OSPFv3VIRTLINKLSDBSEQUENCE 6
-#define OSPFv3VIRTLINKLSDBAGE 7
-#define OSPFv3VIRTLINKLSDBCHECKSUM 8
-#define OSPFv3VIRTLINKLSDBADVERTISEMENT 9
-#define OSPFv3VIRTLINKLSDBTYPEKNOWN 10
-
/* SYNTAX Status from OSPF-MIB. */
#define OSPF_STATUS_ENABLED 1
#define OSPF_STATUS_DISABLED 2
@@ -223,8 +210,8 @@ static u_char *ospfv3GeneralGroup (struct variable *, oid *, size_t *,
int, size_t *, WriteMethod **);
static u_char *ospfv3AreaEntry (struct variable *, oid *, size_t *,
int, size_t *, WriteMethod **);
-static u_char *ospfv3AreaLsdbEntry (struct variable *, oid *, size_t *,
- int, size_t *, WriteMethod **);
+static u_char *ospfv3WwLsdbEntry (struct variable *, oid *, size_t *,
+ int, size_t *, WriteMethod **);
static u_char *ospfv3NbrEntry (struct variable *, oid *, size_t *,
int, size_t *, WriteMethod **);
static u_char *ospfv3IfEntry (struct variable *, oid *, size_t *,
@@ -316,18 +303,42 @@ struct variable ospfv3_variables[] =
{OSPFv3AREATEENABLED, INTEGER, RWRITE, ospfv3AreaEntry,
4, {1, 2, 1, 16}},
+ /* OSPFv3 AS LSDB */
+ {OSPFv3WWLSDBSEQUENCE | OSPFv3WWASTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 3, 1, 4}},
+ {OSPFv3WWLSDBAGE | OSPFv3WWASTABLE, UNSIGNED, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 3, 1, 5}},
+ {OSPFv3WWLSDBCHECKSUM | OSPFv3WWASTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 3, 1, 6}},
+ {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWASTABLE, STRING, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 3, 1, 7}},
+ {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWASTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 3, 1, 8}},
+
/* OSPFv3 Area LSDB */
- {OSPFv3AREALSDBSEQUENCE, INTEGER, RONLY, ospfv3AreaLsdbEntry,
+ {OSPFv3WWLSDBSEQUENCE | OSPFv3WWAREATABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
4, {1, 4, 1, 5}},
- {OSPFv3AREALSDBAGE, UNSIGNED, RONLY, ospfv3AreaLsdbEntry,
+ {OSPFv3WWLSDBAGE | OSPFv3WWAREATABLE, UNSIGNED, RONLY, ospfv3WwLsdbEntry,
4, {1, 4, 1, 6}},
- {OSPFv3AREALSDBCHECKSUM, INTEGER, RONLY, ospfv3AreaLsdbEntry,
+ {OSPFv3WWLSDBCHECKSUM | OSPFv3WWAREATABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
4, {1, 4, 1, 7}},
- {OSPFv3AREALSDBADVERTISEMENT, STRING, RONLY, ospfv3AreaLsdbEntry,
+ {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWAREATABLE, STRING, RONLY, ospfv3WwLsdbEntry,
4, {1, 4, 1, 8}},
- {OSPFv3AREALSDBTYPEKNOWN, INTEGER, RONLY, ospfv3AreaLsdbEntry,
+ {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWAREATABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
4, {1, 4, 1, 9}},
+ /* OSPFv3 Link LSDB */
+ {OSPFv3WWLSDBSEQUENCE | OSPFv3WWLINKTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 5, 1, 6}},
+ {OSPFv3WWLSDBAGE | OSPFv3WWLINKTABLE, UNSIGNED, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 5, 1, 7}},
+ {OSPFv3WWLSDBCHECKSUM | OSPFv3WWLINKTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 5, 1, 8}},
+ {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWLINKTABLE, STRING, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 5, 1, 9}},
+ {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWLINKTABLE, INTEGER, RONLY, ospfv3WwLsdbEntry,
+ 4, {1, 5, 1, 10}},
+
/* OSPFv3 interfaces */
{OSPFv3IFAREAID, UNSIGNED, RONLY, ospfv3IfEntry,
4, {1, 7, 1, 3}},
@@ -596,12 +607,18 @@ ospfv3AreaEntry (struct variable *v, oid *name, size_t *length,
return NULL;
}
+static int
+if_icmp_func (struct interface *ifp1, struct interface *ifp2)
+{
+ return (ifp1->ifindex - ifp2->ifindex);
+}
+
static u_char *
-ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
+ospfv3WwLsdbEntry (struct variable *v, oid *name, size_t *length,
int exact, size_t *var_len, WriteMethod **write_method)
{
struct ospf6_lsa *lsa = NULL;
- u_int32_t area_id, id, adv_router;
+ u_int32_t ifindex, area_id, id, instid, adv_router;
u_int16_t type;
int len;
oid *offset;
@@ -609,12 +626,15 @@ ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
char a[16], b[16], c[16];
struct ospf6_area *oa;
struct listnode *node;
+ struct interface *iif;
+ struct ospf6_interface *oi = NULL;
+ struct list *ifslist;
if (smux_header_table(v, name, length, exact, var_len, write_method)
== MATCH_FAILED)
return NULL;
- area_id = type = id = adv_router = 0;
+ instid = ifindex = area_id = type = id = adv_router = 0;
/* Check OSPFv3 instance. */
if (ospf6 == NULL)
@@ -624,17 +644,38 @@ ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
offset = name + v->namelen;
offsetlen = *length - v->namelen;
-#define OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET 4
-
- if (exact && offsetlen != OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET)
+ if (exact && (v->magic & OSPFv3WWASTABLE) && offsetlen != 3)
+ return NULL;
+ if (exact && (v->magic & OSPFv3WWAREATABLE) && offsetlen != 4)
+ return NULL;
+ if (exact && (v->magic & OSPFv3WWLINKTABLE) && offsetlen != 5)
return NULL;
- /* Parse area-id */
- len = (offsetlen < 1 ? 0 : 1);
- if (len)
- area_id = htonl (*offset);
- offset += len;
- offsetlen -= len;
+ if (v->magic & OSPFv3WWLINKTABLE)
+ {
+ /* Parse ifindex */
+ len = (offsetlen < 1 ? 0 : 1);
+ if (len)
+ ifindex = *offset;
+ offset += len;
+ offsetlen -= len;
+
+ /* Parse instance ID */
+ len = (offsetlen < 1 ? 0 : 1);
+ if (len)
+ instid = *offset;
+ offset += len;
+ offsetlen -= len;
+ }
+ else if (v->magic & OSPFv3WWAREATABLE)
+ {
+ /* Parse area-id */
+ len = (offsetlen < 1 ? 0 : 1);
+ if (len)
+ area_id = htonl (*offset);
+ offset += len;
+ offsetlen -= len;
+ }
/* Parse type */
len = (offsetlen < 1 ? 0 : 1);
@@ -657,52 +698,102 @@ ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
offset += len;
offsetlen -= len;
- inet_ntop (AF_INET, &area_id, a, sizeof (a));
- inet_ntop (AF_INET, &adv_router, b, sizeof (b));
- inet_ntop (AF_INET, &id, c, sizeof (c));
- zlog_debug ("SNMP access by lsdb: area=%s exact=%d length=%lu magic=%d"
- " type=%#x adv_router=%s id=%s",
- a, exact, (u_long)*length, v->magic, ntohs (type), b, c);
-
if (exact)
{
- oa = ospf6_area_lookup (area_id, ospf6);
- lsa = ospf6_lsdb_lookup (type, id, adv_router, oa->lsdb);
+ if (v->magic & OSPFv3WWASTABLE)
+ {
+ lsa = ospf6_lsdb_lookup (type, id, adv_router, ospf6->lsdb);
+ }
+ else if (v->magic & OSPFv3WWAREATABLE)
+ {
+ oa = ospf6_area_lookup (area_id, ospf6);
+ lsa = ospf6_lsdb_lookup (type, id, adv_router, oa->lsdb);
+ }
+ else if (v->magic & OSPFv3WWLINKTABLE)
+ {
+ oi = ospf6_interface_lookup_by_ifindex (ifindex);
+ if (oi->instance_id != instid) return NULL;
+ lsa = ospf6_lsdb_lookup (type, id, adv_router, oi->lsdb);
+ }
}
else
{
- for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
+ if (v->magic & OSPFv3WWASTABLE)
+ {
+ if (ospf6->lsdb->count)
+ lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
+ ospf6->lsdb);
+ }
+ else if (v->magic & OSPFv3WWAREATABLE)
+ for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
+ {
+ if (oa->area_id < area_id)
+ continue;
+
+ if (oa->lsdb->count)
+ lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
+ oa->lsdb);
+ if (lsa) break;
+ type = 0;
+ id = 0;
+ adv_router = 0;
+ }
+ else if (v->magic & OSPFv3WWLINKTABLE)
{
- if (lsa)
- continue;
- if (oa->area_id < area_id)
- continue;
-
- lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
- oa->lsdb);
- if (! lsa)
+ /* We build a sorted list of interfaces */
+ ifslist = list_new ();
+ if (!ifslist) return NULL;
+ ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
+ for (ALL_LIST_ELEMENTS_RO (iflist, node, iif))
+ listnode_add_sort (ifslist, iif);
+
+ for (ALL_LIST_ELEMENTS_RO (ifslist, node, iif))
{
+ if (!iif->ifindex) continue;
+ oi = ospf6_interface_lookup_by_ifindex (iif->ifindex);
+ if (!oi) continue;
+ if (iif->ifindex < ifindex) continue;
+ if (oi->instance_id < instid) continue;
+
+ if (oi->lsdb->count)
+ lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
+ oi->lsdb);
+ if (lsa) break;
type = 0;
- id = 0;
- adv_router = 0;
+ id = 0;
+ adv_router = 0;
+ oi = NULL;
}
+
+ list_delete_all_node (ifslist);
}
}
if (! lsa)
- {
- zlog_debug ("SNMP respond: No LSA to return");
return NULL;
- }
- oa = OSPF6_AREA (lsa->lsdb->data);
-
- zlog_debug ("SNMP respond: area: %s lsa: %s", oa->name, lsa->name);
- /* Add Index (AreaId, Type, RouterId, Lsid) */
- *length = v->namelen + OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET;
- offset = name + v->namelen;
- *offset = ntohl (oa->area_id);
- offset++;
+ /* Add indexes */
+ if (v->magic & OSPFv3WWASTABLE)
+ {
+ *length = v->namelen + 3;
+ offset = name + v->namelen;
+ }
+ else if (v->magic & OSPFv3WWAREATABLE)
+ {
+ *length = v->namelen + 4;
+ offset = name + v->namelen;
+ *offset = ntohl (oa->area_id);
+ offset++;
+ }
+ else if (v->magic & OSPFv3WWLINKTABLE)
+ {
+ *length = v->namelen + 5;
+ offset = name + v->namelen;
+ *offset = oi->interface->ifindex;
+ offset++;
+ *offset = oi->instance_id;
+ offset++;
+ }
*offset = ntohs (lsa->header->type);
offset++;
*offset = ntohl (lsa->header->adv_router);
@@ -711,23 +802,23 @@ ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
offset++;
/* Return the current value of the variable */
- switch (v->magic)
+ switch (v->magic & OSPFv3WWCOLUMN)
{
- case OSPFv3AREALSDBSEQUENCE:
+ case OSPFv3WWLSDBSEQUENCE:
return SNMP_INTEGER (ntohl (lsa->header->seqnum));
break;
- case OSPFv3AREALSDBAGE:
+ case OSPFv3WWLSDBAGE:
ospf6_lsa_age_current (lsa);
return SNMP_INTEGER (ntohs (lsa->header->age));
break;
- case OSPFv3AREALSDBCHECKSUM:
+ case OSPFv3WWLSDBCHECKSUM:
return SNMP_INTEGER (ntohs (lsa->header->checksum));
break;
- case OSPFv3AREALSDBADVERTISEMENT:
+ case OSPFv3WWLSDBADVERTISEMENT:
*var_len = ntohs (lsa->header->length);
return (u_char *) lsa->header;
break;
- case OSPFv3AREALSDBTYPEKNOWN:
+ case OSPFv3WWLSDBTYPEKNOWN:
return SNMP_INTEGER (OSPF6_LSA_IS_KNOWN (lsa->header->type) ?
SNMP_TRUE : SNMP_FALSE);
break;
@@ -735,12 +826,6 @@ ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
return NULL;
}
-static int
-if_icmp_func (struct interface *ifp1, struct interface *ifp2)
-{
- return (ifp1->ifindex - ifp2->ifindex);
-}
-
static u_char *
ospfv3IfEntry (struct variable *v, oid *name, size_t *length,
int exact, size_t *var_len, WriteMethod **write_method)