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authorpaul <paul>2002-12-13 21:15:29 +0100
committerpaul <paul>2002-12-13 21:15:29 +0100
commit718e3744195351130f4ce7dbe0613f4b3e23df93 (patch)
treebac2ad39971cd43f31241ef123bd4e470f695ac9 /lib/table.h
downloadfrr-718e3744195351130f4ce7dbe0613f4b3e23df93.tar.xz
frr-718e3744195351130f4ce7dbe0613f4b3e23df93.zip
Initial revision
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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 */