[bgpd] Add RIB reporting commands, show bgp ... statistics
2006-09-13 Paul Jakma <paul.jakma@sun.com>
* bgp_aspath.c: (aspath_highest) new, return highest ASN in an
aspath.
* bgp_route.c: (bgp_peer_count_walker) new, do the walk done
in bgp_peer_counts as a thread.
(bgp_peer_counts) move walk to previous and call it via
thread_execute so this RIB walk shows up in thread stats.
(bgp_table_stats) New, gather some statistics for a given
RIB.
(bgp_table_stats_walker) New, RIB walker thread for former.
(bgp_table_stats_vty) Parsing front-end for 'show bgp ...',
useful model for future rationalisation of 'show ... bgp'.
(bgp_route_init) Add new RIB stats commands.
diff --git a/bgpd/bgp_aspath.c b/bgpd/bgp_aspath.c
index 317e9f8..327406f 100644
--- a/bgpd/bgp_aspath.c
+++ b/bgpd/bgp_aspath.c
@@ -434,6 +434,26 @@
return size;
}
+/* Return highest public ASN in path */
+as_t
+aspath_highest (struct aspath *aspath)
+{
+ struct assegment *seg = aspath->segments;
+ as_t highest = 0;
+ unsigned int i;
+
+ while (seg)
+ {
+ for (i = 0; i < seg->length; i++)
+ if (seg->as[i] > highest
+ && (seg->as[i] < BGP_PRIVATE_AS_MIN
+ || seg->as[i] > BGP_PRIVATE_AS_MAX))
+ highest = seg->as[i];
+ seg = seg->next;
+ }
+ return highest;
+}
+
/* Convert aspath structure to string expression. */
static char *
aspath_make_str_count (struct aspath *as)