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/*
* Routing Table
* Copyright (C) 1998 Kunihiro Ishiguro
*
* 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 _ZEBRA_TABLE_H
#define _ZEBRA_TABLE_H
/* Routing table top structure. */
struct route_table
{
struct route_node *top;
};
/* Each routing entry. */
struct route_node
{
/* Actual prefix of this radix. */
struct prefix p;
/* Tree link. */
struct route_table *table;
struct route_node *parent;
struct route_node *link[2];
#define l_left link[0]
#define l_right link[1]
/* Lock of this radix */
unsigned int lock;
/* Each node of route. */
void *info;
/* Aggregation. */
void *aggregate;
};
/* Prototypes. */
extern struct route_table *route_table_init (void);
extern void route_table_finish (struct route_table *);
extern void route_unlock_node (struct route_node *node);
extern void route_node_delete (struct route_node *node);
extern struct route_node *route_top (struct route_table *);
extern struct route_node *route_next (struct route_node *);
extern struct route_node *route_next_until (struct route_node *,
struct route_node *);
extern struct route_node *route_node_get (struct route_table *,
struct prefix *);
extern struct route_node *route_node_lookup (struct route_table *,
struct prefix *);
extern struct route_node *route_lock_node (struct route_node *node);
extern struct route_node *route_node_match (struct route_table *,
struct prefix *);
extern struct route_node *route_node_match_ipv4 (struct route_table *,
struct in_addr *);
#ifdef HAVE_IPV6
extern struct route_node *route_node_match_ipv6 (struct route_table *,
struct in6_addr *);
#endif /* HAVE_IPV6 */
#endif /* _ZEBRA_TABLE_H */
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