table.h
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上传日期:2009-11-15
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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. */
- struct route_table *route_table_init (void);
- void route_table_finish (struct route_table *);
- void route_unlock_node (struct route_node *node);
- void route_node_delete (struct route_node *node);
- struct route_node *route_top (struct route_table *);
- struct route_node *route_next (struct route_node *);
- struct route_node *route_next_until (struct route_node *, struct route_node *);
- struct route_node *route_node_get (struct route_table *, struct prefix *);
- struct route_node *route_node_lookup (struct route_table *, struct prefix *);
- struct route_node *route_lock_node (struct route_node *node);
- struct route_node *route_node_match (struct route_table *, struct prefix *);
- struct route_node *route_node_match_ipv4 (struct route_table *,
- struct in_addr *);
- #ifdef HAVE_IPV6
- struct route_node *route_node_match_ipv6 (struct route_table *,
- struct in6_addr *);
- #endif /* HAVE_IPV6 */
- #endif /* _ZEBRA_TABLE_H */