static void
ospf6_top_brouter_hook_add (struct ospf6_route *route)
{
ospf6_abr_examin_brouter (ADV_ROUTER_IN_PREFIX (&route->prefix));
ospf6_asbr_lsentry_add (route);
ospf6_abr_originate_summary (route);
}
static void
ospf6_abr_range_update (struct ospf6_route *range)
{
u_int32_t cost = 0;
struct ospf6_route *ro;
assert (range->type == OSPF6_DEST_TYPE_RANGE);
/* update range's cost and active flag */
for (ro = ospf6_route_match_head (&range->prefix, ospf6->route_table);
ro; ro = ospf6_route_match_next (&range->prefix, ro))
{
if (ro->path.area_id == range->path.area_id &&
! CHECK_FLAG (ro->flag, OSPF6_ROUTE_REMOVE))
cost = MAX (cost, ro->path.cost);
}
if (range->path.cost != cost)
{
range->path.cost = cost;
if (range->path.cost)
SET_FLAG (range->flag, OSPF6_ROUTE_ACTIVE_SUMMARY);
else
UNSET_FLAG (range->flag, OSPF6_ROUTE_ACTIVE_SUMMARY);
ospf6_abr_originate_summary (range);
}
}
static void ospf6_top_brouter_hook_add(struct ospf6_route *route)
{
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL) ||
IS_OSPF6_DEBUG_BROUTER) {
uint32_t brouter_id;
char brouter_name[16];
brouter_id = ADV_ROUTER_IN_PREFIX(&route->prefix);
inet_ntop(AF_INET, &brouter_id, brouter_name,
sizeof(brouter_name));
zlog_debug("%s: brouter %s add with adv router %x nh count %u",
__PRETTY_FUNCTION__, brouter_name,
route->path.origin.adv_router,
listcount(route->nh_list));
}
ospf6_abr_examin_brouter(ADV_ROUTER_IN_PREFIX(&route->prefix));
ospf6_asbr_lsentry_add(route);
ospf6_abr_originate_summary(route);
}
static void
ospf6_top_route_hook_remove (struct ospf6_route *route)
{
ospf6_abr_originate_summary (route);
ospf6_zebra_route_update_remove (route);
}
static int
ospf6_spf_calculation_thread (struct thread *t)
{
struct ospf6_area *oa;
struct ospf6 *ospf6;
struct timeval start, end, runtime;
struct listnode *node;
struct ospf6_route *route;
int areas_processed = 0;
char rbuf[32];
ospf6 = (struct ospf6 *)THREAD_ARG (t);
ospf6->t_spf_calc = NULL;
/* execute SPF calculation */
quagga_gettime (QUAGGA_CLK_MONOTONIC, &start);
for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa))
{
if (oa == ospf6->backbone)
continue;
if (IS_OSPF6_DEBUG_SPF (PROCESS))
zlog_debug ("SPF calculation for Area %s", oa->name);
if (IS_OSPF6_DEBUG_SPF (DATABASE))
ospf6_spf_log_database (oa);
ospf6_spf_calculation (ospf6->router_id, oa->spf_table, oa);
ospf6_intra_route_calculation (oa);
ospf6_intra_brouter_calculation (oa);
areas_processed++;
}
if (ospf6->backbone)
{
if (IS_OSPF6_DEBUG_SPF (PROCESS))
zlog_debug ("SPF calculation for Backbone area %s",
ospf6->backbone->name);
if (IS_OSPF6_DEBUG_SPF (DATABASE))
ospf6_spf_log_database(ospf6->backbone);
ospf6_spf_calculation(ospf6->router_id, ospf6->backbone->spf_table,
ospf6->backbone);
ospf6_intra_route_calculation(ospf6->backbone);
ospf6_intra_brouter_calculation(ospf6->backbone);
areas_processed++;
}
/* Redo summaries if required */
for (route = ospf6_route_head (ospf6->route_table); route;
route = ospf6_route_next (route))
ospf6_abr_originate_summary(route);
quagga_gettime (QUAGGA_CLK_MONOTONIC, &end);
timersub (&end, &start, &runtime);
ospf6->ts_spf_duration = runtime;
ospf6_spf_reason_string(ospf6->spf_reason, rbuf, sizeof(rbuf));
if (IS_OSPF6_DEBUG_SPF (PROCESS) || IS_OSPF6_DEBUG_SPF (TIME))
zlog_debug ("SPF runtime: %lld sec %lld usec",
(long long)runtime.tv_sec, (long long)runtime.tv_usec);
zlog_info("SPF processing: # Areas: %d, SPF runtime: %lld sec %lld usec, "
"Reason: %s\n", areas_processed,
(long long)runtime.tv_sec, (long long)runtime.tv_usec,
rbuf);
ospf6->last_spf_reason = ospf6->spf_reason;
ospf6_reset_spf_reason(ospf6);
return 0;
}
static void ospf6_top_route_hook_remove(struct ospf6_route *route)
{
route->flag |= OSPF6_ROUTE_REMOVE;
ospf6_abr_originate_summary(route);
ospf6_zebra_route_update_remove(route);
}
