summaryrefslogtreecommitdiff
path: root/ospfd/ospf_spf.c
diff options
context:
space:
mode:
Diffstat (limited to 'ospfd/ospf_spf.c')
-rw-r--r--ospfd/ospf_spf.c418
1 files changed, 208 insertions, 210 deletions
diff --git a/ospfd/ospf_spf.c b/ospfd/ospf_spf.c
index 5d873fbb..9e6690ae 100644
--- a/ospfd/ospf_spf.c
+++ b/ospfd/ospf_spf.c
@@ -76,8 +76,8 @@ vertex_nexthop_dup (struct vertex_nexthop *nh)
return new;
}
-
+
struct vertex *
ospf_vertex_new (struct ospf_lsa *lsa)
{
@@ -125,7 +125,7 @@ ospf_vertex_add_parent (struct vertex *v)
/* No need to add two links from the same parent. */
if (listnode_lookup (nh->parent->child, v) == NULL)
- listnode_add (nh->parent->child, v);
+ listnode_add (nh->parent->child, v);
}
}
@@ -200,7 +200,7 @@ ospf_lsa_has_link (struct lsa_header *w, struct lsa_header *v)
nl = (struct network_lsa *) w;
length = (ntohs (w->length) - OSPF_LSA_HEADER_SIZE - 4) / 4;
-
+
for (i = 0; i < length; i++)
if (IPV4_ADDR_SAME (&nl->routers[i], &v->id))
return 1;
@@ -215,8 +215,8 @@ ospf_lsa_has_link (struct lsa_header *w, struct lsa_header *v)
length = ntohs (w->length);
for (i = 0;
- i < ntohs (rl->links) && length >= sizeof (struct router_lsa);
- i++, length -= 12)
+ i < ntohs (rl->links) && length >= sizeof (struct router_lsa);
+ i++, length -= 12)
{
switch (rl->link[i].type)
{
@@ -235,7 +235,7 @@ ospf_lsa_has_link (struct lsa_header *w, struct lsa_header *v)
IPV4_ADDR_SAME (&rl->link[i].link_id, &v->id))
{
return 1;
- }
+ }
break;
case LSA_LINK_TYPE_STUB:
/* Not take into count? */
@@ -269,12 +269,12 @@ ospf_nexthop_add_unique (struct vertex_nexthop *new, list nexthop)
* structure even when the nexthops are identical.
*/
if (nh->oi == new->oi &&
- IPV4_ADDR_SAME (&nh->router, &new->router) &&
- nh->parent == new->parent)
- {
- match = 1;
- break;
- }
+ IPV4_ADDR_SAME (&nh->router, &new->router) &&
+ nh->parent == new->parent)
+ {
+ match = 1;
+ break;
+ }
}
if (!match)
@@ -300,7 +300,7 @@ ospf_nexthop_merge (list a, list b)
struct router_lsa_link *
ospf_get_next_link (struct vertex *v, struct vertex *w,
- struct router_lsa_link *prev_link)
+ struct router_lsa_link *prev_link)
{
u_char *p;
u_char *lim;
@@ -310,19 +310,18 @@ ospf_get_next_link (struct vertex *v, struct vertex *w,
p = ((u_char *) v->lsa) + 24;
else
{
- p = (u_char *)prev_link;
+ p = (u_char *) prev_link;
p += (ROUTER_LSA_MIN_SIZE +
(prev_link->m[0].tos_count * ROUTER_LSA_TOS_SIZE));
}
-
+
lim = ((u_char *) v->lsa) + ntohs (v->lsa->length);
while (p < lim)
{
l = (struct router_lsa_link *) p;
- p += (ROUTER_LSA_MIN_SIZE +
- (l->m[0].tos_count * ROUTER_LSA_TOS_SIZE));
+ p += (ROUTER_LSA_MIN_SIZE + (l->m[0].tos_count * ROUTER_LSA_TOS_SIZE));
if (l->m[0].type == LSA_LINK_TYPE_STUB)
continue;
@@ -331,10 +330,10 @@ ospf_get_next_link (struct vertex *v, struct vertex *w,
transit areas area confidered */
if (l->m[0].type == LSA_LINK_TYPE_VIRTUALLINK)
- continue;
+ continue;
if (IPV4_ADDR_SAME (&l->link_id, &w->id))
- return l;
+ return l;
}
return NULL;
@@ -343,30 +342,31 @@ ospf_get_next_link (struct vertex *v, struct vertex *w,
/* Consider supplied next-hop for inclusion to the supplied list
* of next-hops, adjust list as neccessary
*/
-void
-ospf_spf_consider_nexthop (struct list *nexthops, struct vertex_nexthop *newhop)
+void
+ospf_spf_consider_nexthop (struct list *nexthops,
+ struct vertex_nexthop *newhop)
{
struct listnode *nnode;
struct vertex_nexthop *hop;
-
+
LIST_LOOP (nexthops, hop, nnode)
- {
- assert (hop->oi);
- /* weed out hops with higher cost than the newhop */
- if (hop->oi->output_cost > newhop->oi->output_cost)
- {
- /* delete the existing nexthop */
- listnode_delete (nexthops, hop);
- vertex_nexthop_free (hop);
- }
- else if ( hop->oi->output_cost < newhop->oi->output_cost)
- {
- return;
- }
- }
-
+ {
+ assert (hop->oi);
+ /* weed out hops with higher cost than the newhop */
+ if (hop->oi->output_cost > newhop->oi->output_cost)
+ {
+ /* delete the existing nexthop */
+ listnode_delete (nexthops, hop);
+ vertex_nexthop_free (hop);
+ }
+ else if (hop->oi->output_cost < newhop->oi->output_cost)
+ {
+ return;
+ }
+ }
+
/* new hop is <= existing hops, add it */
- listnode_add (nexthops, newhop);
+ listnode_add (nexthops, newhop);
return;
}
@@ -380,8 +380,8 @@ ospf_nexthop_calculation (struct ospf_area *area,
struct vertex_nexthop *nh, *x;
struct ospf_interface *oi = NULL;
struct router_lsa_link *l = NULL;
-
-
+
+
if (IS_DEBUG_OSPF_EVENT)
zlog_info ("ospf_nexthop_calculation(): Start");
@@ -389,74 +389,74 @@ ospf_nexthop_calculation (struct ospf_area *area,
if (v == area->spf)
{
if (w->type == OSPF_VERTEX_ROUTER)
- {
- while ((l = ospf_get_next_link (v, w, l)))
- {
- struct router_lsa_link *l2 = NULL;
-
- if (l->m[0].type == LSA_LINK_TYPE_POINTOPOINT)
- {
- /* Check for PtMP, signified by PtP link V->W
- with link_data our PtMP interface. */
+ {
+ while ((l = ospf_get_next_link (v, w, l)))
+ {
+ struct router_lsa_link *l2 = NULL;
+
+ if (l->m[0].type == LSA_LINK_TYPE_POINTOPOINT)
+ {
+ /* Check for PtMP, signified by PtP link V->W
+ with link_data our PtMP interface. */
oi = ospf_if_is_configured (area->ospf, &l->link_data);
if (oi && oi->type == OSPF_IFTYPE_POINTOMULTIPOINT)
- {
- struct prefix_ipv4 la;
- la.prefixlen = oi->address->prefixlen;
- /* We link to them on PtMP interface
- - find the interface on w */
- while ((l2 = ospf_get_next_link (w, v, l2)))
- {
- la.prefix = l2->link_data;
-
- if (prefix_cmp ((struct prefix *)&la,
- oi->address) == 0)
- /* link_data is on our PtMP network */
- break;
- }
- }
- else
- {
- while ((l2 = ospf_get_next_link (w, v, l2)))
- {
- oi = ospf_if_is_configured (area->ospf,
- &(l2->link_data));
-
- if (oi == NULL)
- continue;
-
- if (!IPV4_ADDR_SAME (&oi->address->u.prefix4,
- &l->link_data))
- continue;
-
- break;
- }
- }
-
- if (oi && l2)
- {
- nh = vertex_nexthop_new (v);
- nh->oi = oi;
- nh->router = l2->link_data;
- ospf_spf_consider_nexthop (w->nexthop, nh);
- }
- }
- }
- }
+ {
+ struct prefix_ipv4 la;
+ la.prefixlen = oi->address->prefixlen;
+ /* We link to them on PtMP interface
+ - find the interface on w */
+ while ((l2 = ospf_get_next_link (w, v, l2)))
+ {
+ la.prefix = l2->link_data;
+
+ if (prefix_cmp ((struct prefix *) &la,
+ oi->address) == 0)
+ /* link_data is on our PtMP network */
+ break;
+ }
+ }
+ else
+ {
+ while ((l2 = ospf_get_next_link (w, v, l2)))
+ {
+ oi = ospf_if_is_configured (area->ospf,
+ &(l2->link_data));
+
+ if (oi == NULL)
+ continue;
+
+ if (!IPV4_ADDR_SAME (&oi->address->u.prefix4,
+ &l->link_data))
+ continue;
+
+ break;
+ }
+ }
+
+ if (oi && l2)
+ {
+ nh = vertex_nexthop_new (v);
+ nh->oi = oi;
+ nh->router = l2->link_data;
+ ospf_spf_consider_nexthop (w->nexthop, nh);
+ }
+ }
+ }
+ }
else
- {
- while ((l = ospf_get_next_link (v, w, l)))
- {
- oi = ospf_if_is_configured (area->ospf, &(l->link_data));
- if (oi)
- {
- nh = vertex_nexthop_new (v);
- nh->oi = oi;
- nh->router.s_addr = 0;
- listnode_add (w->nexthop, nh);
- }
- }
- }
+ {
+ while ((l = ospf_get_next_link (v, w, l)))
+ {
+ oi = ospf_if_is_configured (area->ospf, &(l->link_data));
+ if (oi)
+ {
+ nh = vertex_nexthop_new (v);
+ nh->oi = oi;
+ nh->router.s_addr = 0;
+ listnode_add (w->nexthop, nh);
+ }
+ }
+ }
return;
}
/* In case of W's parent is network connected to root. */
@@ -467,15 +467,15 @@ ospf_nexthop_calculation (struct ospf_area *area,
x = (struct vertex_nexthop *) getdata (node);
if (x->parent == area->spf)
{
- while ((l = ospf_get_next_link (w, v, l)))
- {
- nh = vertex_nexthop_new (v);
- nh->oi = x->oi;
- nh->router = l->link_data;
- listnode_add (w->nexthop, nh);
- }
- return;
- }
+ while ((l = ospf_get_next_link (w, v, l)))
+ {
+ nh = vertex_nexthop_new (v);
+ nh->oi = x->oi;
+ nh->router = l->link_data;
+ listnode_add (w->nexthop, nh);
+ }
+ return;
+ }
}
}
@@ -520,8 +520,7 @@ ospf_install_candidate (list candidate, struct vertex *w)
/* RFC2328 Section 16.1 (2). */
void
ospf_spf_next (struct vertex *v, struct ospf_area *area,
- list candidate, struct route_table *rv,
- struct route_table *nv)
+ list candidate, struct route_table *rv, struct route_table *nv)
{
struct ospf_lsa *w_lsa = NULL;
struct vertex *w, *cw;
@@ -541,8 +540,8 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
}
p = ((u_char *) v->lsa) + OSPF_LSA_HEADER_SIZE + 4;
- lim = ((u_char *) v->lsa) + ntohs (v->lsa->length);
-
+ lim = ((u_char *) v->lsa) + ntohs (v->lsa->length);
+
while (p < lim)
{
/* In case of V is Router-LSA. */
@@ -550,7 +549,7 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
{
l = (struct router_lsa_link *) p;
- p += (ROUTER_LSA_MIN_SIZE +
+ p += (ROUTER_LSA_MIN_SIZE +
(l->m[0].tos_count * ROUTER_LSA_TOS_SIZE));
/* (a) If this is a link to a stub network, examine the next
@@ -568,40 +567,40 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
case LSA_LINK_TYPE_POINTOPOINT:
case LSA_LINK_TYPE_VIRTUALLINK:
if (type == LSA_LINK_TYPE_VIRTUALLINK)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("looking up LSA through VL: %s",
- inet_ntoa (l->link_id));
- }
+ {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("looking up LSA through VL: %s",
+ inet_ntoa (l->link_id));
+ }
w_lsa = ospf_lsa_lookup (area, OSPF_ROUTER_LSA, l->link_id,
l->link_id);
if (w_lsa)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info("found the LSA");
- }
+ {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("found the LSA");
+ }
break;
case LSA_LINK_TYPE_TRANSIT:
- if (IS_DEBUG_OSPF_EVENT)
+ if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("Looking up Network LSA, ID: %s",
- inet_ntoa(l->link_id));
+ zlog_info ("Looking up Network LSA, ID: %s",
+ inet_ntoa (l->link_id));
w_lsa = ospf_lsa_lookup_by_id (area, OSPF_NETWORK_LSA,
- l->link_id);
+ l->link_id);
if (w_lsa)
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info("found the LSA");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("found the LSA");
break;
default:
- zlog_warn ("Invalid LSA link type %d", type);
+ zlog_warn ("Invalid LSA link type %d", type);
continue;
}
}
else
{
/* In case of V is Network-LSA. */
- r = (struct in_addr *) p ;
+ r = (struct in_addr *) p;
p += sizeof (struct in_addr);
/* Lookup the vertex W's LSA. */
@@ -617,10 +616,10 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
if (IS_LSA_MAXAGE (w_lsa))
continue;
- if (! ospf_lsa_has_link (w_lsa->data, v->lsa))
+ if (!ospf_lsa_has_link (w_lsa->data, v->lsa))
{
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("The LSA doesn't have a link back");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("The LSA doesn't have a link back");
continue;
}
@@ -628,8 +627,8 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
the next link in the LSA. */
if (ospf_spf_has_vertex (rv, nv, w_lsa->data))
{
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("The LSA is already in SPF");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("The LSA is already in SPF");
continue;
}
@@ -696,7 +695,7 @@ ospf_spf_next (struct vertex *v, struct ospf_area *area,
/* Add vertex V to SPF tree. */
void
ospf_spf_register (struct vertex *v, struct route_table *rv,
- struct route_table *nv)
+ struct route_table *nv)
{
struct prefix p;
struct route_node *rn;
@@ -722,10 +721,10 @@ ospf_spf_route_free (struct route_table *table)
for (rn = route_top (table); rn; rn = route_next (rn))
{
if ((v = rn->info))
- {
- ospf_vertex_free (v);
- rn->info = NULL;
- }
+ {
+ ospf_vertex_free (v);
+ rn->info = NULL;
+ }
route_unlock_node (rn);
}
@@ -743,20 +742,20 @@ ospf_spf_dump (struct vertex *v, int i)
if (v->type == OSPF_VERTEX_ROUTER)
{
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("SPF Result: %d [R] %s", i, inet_ntoa (v->lsa->id));
+ zlog_info ("SPF Result: %d [R] %s", i, inet_ntoa (v->lsa->id));
}
else
{
struct network_lsa *lsa = (struct network_lsa *) v->lsa;
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("SPF Result: %d [N] %s/%d", i, inet_ntoa (v->lsa->id),
- ip_masklen (lsa->mask));
+ zlog_info ("SPF Result: %d [N] %s/%d", i, inet_ntoa (v->lsa->id),
+ ip_masklen (lsa->mask));
for (nnode = listhead (v->nexthop); nnode; nextnode (nnode))
{
nexthop = getdata (nnode);
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info (" nexthop %s", inet_ntoa (nexthop->router));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info (" nexthop %s", inet_ntoa (nexthop->router));
}
}
@@ -771,7 +770,7 @@ ospf_spf_dump (struct vertex *v, int i)
/* Second stage of SPF calculation. */
void
-ospf_spf_process_stubs (struct ospf_area *area, struct vertex * v,
+ospf_spf_process_stubs (struct ospf_area *area, struct vertex *v,
struct route_table *rt)
{
listnode cnode;
@@ -779,7 +778,7 @@ ospf_spf_process_stubs (struct ospf_area *area, struct vertex * v,
if (IS_DEBUG_OSPF_EVENT)
zlog_info ("ospf_process_stub():processing stubs for area %s",
- inet_ntoa (area->area_id));
+ inet_ntoa (area->area_id));
if (v->type == OSPF_VERTEX_ROUTER)
{
u_char *p;
@@ -787,15 +786,15 @@ ospf_spf_process_stubs (struct ospf_area *area, struct vertex * v,
struct router_lsa_link *l;
struct router_lsa *rlsa;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("ospf_process_stub():processing router LSA, id: %s",
- inet_ntoa (v->lsa->id));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("ospf_process_stub():processing router LSA, id: %s",
+ inet_ntoa (v->lsa->id));
rlsa = (struct router_lsa *) v->lsa;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("ospf_process_stub(): we have %d links to process",
- ntohs (rlsa->links));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("ospf_process_stub(): we have %d links to process",
+ ntohs (rlsa->links));
p = ((u_char *) v->lsa) + 24;
lim = ((u_char *) v->lsa) + ntohs (v->lsa->length);
@@ -812,12 +811,12 @@ ospf_spf_process_stubs (struct ospf_area *area, struct vertex * v,
}
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("children of V:");
+ zlog_info ("children of V:");
for (cnode = listhead (v->child); cnode; nextnode (cnode))
{
child = getdata (cnode);
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info (" child : %s", inet_ntoa (child->id));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info (" child : %s", inet_ntoa (child->id));
}
for (cnode = listhead (v->child); cnode; nextnode (cnode))
@@ -825,7 +824,7 @@ ospf_spf_process_stubs (struct ospf_area *area, struct vertex * v,
child = getdata (cnode);
if (CHECK_FLAG (child->flags, OSPF_VERTEX_PROCESSED))
- continue;
+ continue;
ospf_spf_process_stubs (area, child, rt);
@@ -841,19 +840,19 @@ ospf_rtrs_free (struct route_table *rtrs)
listnode node;
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("Route: Router Routing Table free");
+ zlog_info ("Route: Router Routing Table free");
for (rn = route_top (rtrs); rn; rn = route_next (rn))
if ((or_list = rn->info) != NULL)
{
- for (node = listhead (or_list); node; nextnode (node))
- ospf_route_free (node->data);
+ for (node = listhead (or_list); node; nextnode (node))
+ ospf_route_free (node->data);
- list_delete (or_list);
+ list_delete (or_list);
- /* Unlock the node. */
- rn->info = NULL;
- route_unlock_node (rn);
+ /* Unlock the node. */
+ rn->info = NULL;
+ route_unlock_node (rn);
}
route_table_finish (rtrs);
}
@@ -882,18 +881,18 @@ ospf_rtrs_print (struct route_table *rtrs)
switch (or->path_type)
{
case OSPF_PATH_INTRA_AREA:
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("%s [%d] area: %s",
- inet_ntop (AF_INET, &or->id, buf1, BUFSIZ), or->cost,
- inet_ntop (AF_INET, &or->u.std.area_id,
- buf2, BUFSIZ));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("%s [%d] area: %s",
+ inet_ntop (AF_INET, &or->id, buf1, BUFSIZ),
+ or->cost, inet_ntop (AF_INET, &or->u.std.area_id,
+ buf2, BUFSIZ));
break;
case OSPF_PATH_INTER_AREA:
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("%s IA [%d] area: %s",
- inet_ntop (AF_INET, &or->id, buf1, BUFSIZ), or->cost,
- inet_ntop (AF_INET, &or->u.std.area_id,
- buf2, BUFSIZ));
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info ("%s IA [%d] area: %s",
+ inet_ntop (AF_INET, &or->id, buf1, BUFSIZ),
+ or->cost, inet_ntop (AF_INET, &or->u.std.area_id,
+ buf2, BUFSIZ));
break;
default:
break;
@@ -903,17 +902,17 @@ ospf_rtrs_print (struct route_table *rtrs)
{
path = getdata (pnode);
if (path->nexthop.s_addr == 0)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info (" directly attached to %s\r\n",
- IF_NAME (path->oi));
- }
- else
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_info (" via %s, %s\r\n",
- inet_ntoa (path->nexthop), IF_NAME (path->oi));
- }
+ {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info (" directly attached to %s\r\n",
+ IF_NAME (path->oi));
+ }
+ else
+ {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_info (" via %s, %s\r\n",
+ inet_ntoa (path->nexthop), IF_NAME (path->oi));
+ }
}
}
@@ -922,7 +921,7 @@ ospf_rtrs_print (struct route_table *rtrs)
/* Calculating the shortest-path tree for an area. */
void
-ospf_spf_calculate (struct ospf_area *area, struct route_table *new_table,
+ospf_spf_calculate (struct ospf_area *area, struct route_table *new_table,
struct route_table *new_rtrs)
{
list candidate;
@@ -934,27 +933,27 @@ ospf_spf_calculate (struct ospf_area *area, struct route_table *new_table,
if (IS_DEBUG_OSPF_EVENT)
{
zlog_info ("ospf_spf_calculate: Start");
- zlog_info ("ospf_spf_calculate: running Dijkstra for area %s",
- inet_ntoa (area->area_id));
+ zlog_info ("ospf_spf_calculate: running Dijkstra for area %s",
+ inet_ntoa (area->area_id));
}
/* Check router-lsa-self. If self-router-lsa is not yet allocated,
return this area's calculation. */
- if (! area->router_lsa_self)
+ if (!area->router_lsa_self)
{
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("ospf_spf_calculate: "
- "Skip area %s's calculation due to empty router_lsa_self",
- inet_ntoa (area->area_id));
+ zlog_info ("ospf_spf_calculate: "
+ "Skip area %s's calculation due to empty router_lsa_self",
+ inet_ntoa (area->area_id));
return;
}
/* RFC2328 16.1. (1). */
- /* Initialize the algorithm's data structures. */
+ /* Initialize the algorithm's data structures. */
rv = route_table_init ();
nv = route_table_init ();
- /* Clear the list of candidate vertices. */
+ /* Clear the list of candidate vertices. */
candidate = list_new ();
/* Initialize the shortest-path tree to only the root (which is the
@@ -982,7 +981,7 @@ ospf_spf_calculate (struct ospf_area *area, struct route_table *new_table,
/* Otherwise, choose the vertex belonging to the candidate list
that is closest to the root, and add it to the shortest-path
tree (removing it from the candidate list in the
- process). */
+ process). */
node = listhead (candidate);
v = getdata (node);
ospf_vertex_add_parent (v);
@@ -1002,7 +1001,7 @@ ospf_spf_calculate (struct ospf_area *area, struct route_table *new_table,
/* RFC2328 16.1. (4). */
if (v->type == OSPF_VERTEX_ROUTER)
ospf_intra_add_router (new_rtrs, v, area);
- else
+ else
ospf_intra_add_transit (new_table, v, area);
/* RFC2328 16.1. (5). */
@@ -1044,12 +1043,12 @@ ospf_spf_calculate_timer (struct thread *thread)
if (IS_DEBUG_OSPF_EVENT)
zlog_info ("SPF: Timer (SPF calculation expire)");
-
+
ospf->t_spf_calc = NULL;
/* Allocate new table tree. */
new_table = route_table_init ();
- new_rtrs = route_table_init ();
+ new_rtrs = route_table_init ();
ospf_vl_unapprove (ospf);
@@ -1087,7 +1086,7 @@ ospf_spf_calculate_timer (struct thread *thread)
ospf->old_rtrs = ospf->new_rtrs;
ospf->new_rtrs = new_rtrs;
- if (IS_OSPF_ABR (ospf))
+ if (IS_OSPF_ABR (ospf))
ospf_abr_task (ospf);
if (IS_DEBUG_OSPF_EVENT)
@@ -1114,8 +1113,8 @@ ospf_spf_calculate_schedule (struct ospf *ospf)
if (ospf->t_spf_calc)
{
if (IS_DEBUG_OSPF_EVENT)
- zlog_info ("SPF: calculation timer is already scheduled: %p",
- ospf->t_spf_calc);
+ zlog_info ("SPF: calculation timer is already scheduled: %p",
+ ospf->t_spf_calc);
return;
}
@@ -1125,9 +1124,9 @@ ospf_spf_calculate_schedule (struct ospf *ospf)
if (ht < ospf->spf_holdtime)
{
if (ospf->spf_holdtime - ht < ospf->spf_delay)
- delay = ospf->spf_delay;
+ delay = ospf->spf_delay;
else
- delay = ospf->spf_holdtime - ht;
+ delay = ospf->spf_holdtime - ht;
}
else
delay = ospf->spf_delay;
@@ -1137,4 +1136,3 @@ ospf_spf_calculate_schedule (struct ospf *ospf)
ospf->t_spf_calc =
thread_add_timer (master, ospf_spf_calculate_timer, ospf, delay);
}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 02:38:59 +0000