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/*
* OSPF6 Area Data Structure
* Copyright (C) 1999 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* 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.
*/
#ifndef OSPF_AREA_H
#define OSPF_AREA_H
/* This file defines area parameters and data structures. */
#define OSPF6_AREA_RANGE_ADVERTISE 0
#define OSPF6_AREA_RANGE_NOT_ADVERTISE 1
#include "ospf6_spf.h"
#include "ospf6_top.h"
struct ospf6_area
{
char str[16];
struct ospf6 *ospf6; /* back pointer */
u_int32_t area_id;
u_char options[3]; /* OSPF Option including ExternalCapability */
list if_list; /* OSPF interface to this area */
struct ospf6_lsdb *lsdb;
struct thread *spf_calc;
struct thread *route_calc;
int stat_spf_execed;
int stat_route_execed;
struct route_table *table; /* new route table */
struct prefix_ipv6 area_range;
struct ospf6_spftree *spf_tree;
struct ospf6_route_table *route_table;
struct ospf6_route_table *table_topology;
void (*foreach_if) (struct ospf6_area *, void *, int,
void (*func) (void *, int, void *));
void (*foreach_nei) (struct ospf6_area *, void *, int,
void (*func) (void *, int, void *));
struct thread *maxage_remover;
struct thread *thread_router_lsa;
};
/* prototypes */
int
ospf6_area_count_neighbor_in_state (u_char state, struct ospf6_area *o6a);
void
ospf6_area_schedule_maxage_remover (void *arg, int val, void *obj);
int ospf6_area_is_stub (struct ospf6_area *o6a);
int ospf6_area_is_transit (struct ospf6_area *o6a);
struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
struct ospf6_area *ospf6_area_create (u_int32_t);
void ospf6_area_delete (struct ospf6_area *);
void ospf6_area_show (struct vty *, struct ospf6_area *);
void
ospf6_area_statistics_show (struct vty *vty, struct ospf6_area *o6a);
void ospf6_area_init ();
#endif /* OSPF_AREA_H */
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