* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _QUAGGA_OSPF_SPF_H
#define _QUAGGA_OSPF_SPF_H
+#include "typesafe.h"
+
/* values for vertex->type */
#define OSPF_VERTEX_ROUTER 1 /* for a Router-LSA */
#define OSPF_VERTEX_NETWORK 2 /* for a Network-LSA */
/* The "root" is the node running the SPF calculation */
+PREDECL_SKIPLIST_NONUNIQ(vertex_pqueue)
/* A router or network in an area */
-struct vertex
-{
- u_char flags;
- u_char type; /* copied from LSA header */
- struct in_addr id; /* copied from LSA header */
- struct lsa_header *lsa; /* Router or Network LSA */
- int *stat; /* Link to LSA status. */
- u_int32_t distance; /* from root to this vertex */
- struct list *parents; /* list of parents in SPF tree */
- struct list *children; /* list of children in SPF tree*/
+struct vertex {
+ struct vertex_pqueue_item pqi;
+ uint8_t flags;
+ uint8_t type; /* copied from LSA header */
+ struct in_addr id; /* copied from LSA header */
+ struct ospf_lsa *lsa_p;
+ struct lsa_header *lsa; /* Router or Network LSA */
+ uint32_t distance; /* from root to this vertex */
+ struct list *parents; /* list of parents in SPF tree */
+ struct list *children; /* list of children in SPF tree*/
};
/* A nexthop taken on the root node to get to this (parent) vertex */
-struct vertex_nexthop
-{
- struct ospf_interface *oi; /* output intf on root node */
- struct in_addr router; /* router address to send to */
+struct vertex_nexthop {
+ struct ospf_interface *oi; /* output intf on root node */
+ struct in_addr router; /* router address to send to */
};
-struct vertex_parent
-{
- struct vertex_nexthop *nexthop; /* link to nexthop info for this parent */
- struct vertex *parent; /* parent vertex */
- int backlink; /* index back to parent for router-lsa's */
+struct vertex_parent {
+ struct vertex_nexthop
+ *nexthop; /* link to nexthop info for this parent */
+ struct vertex *parent; /* parent vertex */
+ int backlink; /* index back to parent for router-lsa's */
};
/* What triggered the SPF ? */
typedef enum {
- SPF_FLAG_ROUTER_LSA_INSTALL = 1,
- SPF_FLAG_NETWORK_LSA_INSTALL,
- SPF_FLAG_SUMMARY_LSA_INSTALL,
- SPF_FLAG_ASBR_SUMMARY_LSA_INSTALL,
- SPF_FLAG_MAXAGE,
- SPF_FLAG_ABR_STATUS_CHANGE,
- SPF_FLAG_ASBR_STATUS_CHANGE,
- SPF_FLAG_CONFIG_CHANGE,
+ SPF_FLAG_ROUTER_LSA_INSTALL = 1,
+ SPF_FLAG_NETWORK_LSA_INSTALL,
+ SPF_FLAG_SUMMARY_LSA_INSTALL,
+ SPF_FLAG_ASBR_SUMMARY_LSA_INSTALL,
+ SPF_FLAG_MAXAGE,
+ SPF_FLAG_ABR_STATUS_CHANGE,
+ SPF_FLAG_ASBR_STATUS_CHANGE,
+ SPF_FLAG_CONFIG_CHANGE,
} ospf_spf_reason_t;
-extern void ospf_spf_calculate_schedule (struct ospf *, ospf_spf_reason_t);
-extern void ospf_rtrs_free (struct route_table *);
+extern void ospf_spf_calculate_schedule(struct ospf *, ospf_spf_reason_t);
+extern void ospf_rtrs_free(struct route_table *);
/* void ospf_spf_calculate_timer_add (); */
#endif /* _QUAGGA_OSPF_SPF_H */