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/*
* 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 OSPF6_SPF_H
#define OSPF6_SPF_H
#include "prefix.h"
/* Transit Vertex */
struct ospf6_vertex
{
/* type of this vertex */
u_int8_t type;
/* Vertex Identifier */
struct prefix_ls vertex_id;
/* Identifier String */
char string[128];
/* Associated LSA */
struct ospf6_lsa *lsa;
/* Distance from Root (Cost) */
u_int16_t distance;
/* Depth of this node */
u_char depth;
/* nexthops to this node */
struct linklist *nexthop_list;
/* upper nodes in spf tree */
list parent_list;
/* lower nodes in spf tree */
list path_list;
/* capability bits */
u_char capability_bits;
/* Optional capabilities */
u_char opt_capability[3];
};
#define OSPF6_VERTEX_TYPE_ROUTER 0x01
#define OSPF6_VERTEX_TYPE_NETWORK 0x02
struct ospf6_spftree
{
/* calculation thread */
struct thread *t_spf_calculation;
/* root of this tree */
struct ospf6_vertex *root;
/* list for search */
list list;
/* statistics */
u_int32_t timerun;
struct timeval runtime_total;
struct timeval runtime_min;
struct timeval runtime_max;
struct timeval updated_time;
struct timeval interval_total;
struct timeval interval_min;
struct timeval interval_max;
};
int ospf6_spf_calculate_route (void *);
void
ospf6_spf_calculation_schedule (u_int32_t area_id);
struct ospf6_spftree *ospf6_spftree_create ();
void
ospf6_spf_statistics_show (struct vty *vty, struct ospf6_spftree *spf_tree);
void ospf6_spftree_delete (struct ospf6_spftree *spf_tree);
void ospf6_spf_database_hook (struct ospf6_lsa *old, struct ospf6_lsa *new);
void ospf6_spf_init ();
#endif /* OSPF6_SPF_H */
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