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authorpaul <paul>2002-12-13 20:15:29 +0000
committerpaul <paul>2002-12-13 20:15:29 +0000
commit718e3744195351130f4ce7dbe0613f4b3e23df93 (patch)
treebac2ad39971cd43f31241ef123bd4e470f695ac9 /lib/routemap.h
Initial revision
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+/* Route map function.
+ * 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_ROUTEMAP_H
+#define _ZEBRA_ROUTEMAP_H
+
+/* Route map's type. */
+enum route_map_type
+{
+ RMAP_PERMIT,
+ RMAP_DENY,
+ RMAP_ANY
+};
+
+typedef enum
+{
+ RMAP_MATCH,
+ RMAP_DENYMATCH,
+ RMAP_NOMATCH,
+ RMAP_ERROR,
+ RMAP_OKAY
+} route_map_result_t;
+
+typedef enum
+{
+ RMAP_RIP,
+ RMAP_RIPNG,
+ RMAP_OSPF,
+ RMAP_OSPF6,
+ RMAP_BGP
+} route_map_object_t;
+
+typedef enum
+{
+ RMAP_EXIT,
+ RMAP_GOTO,
+ RMAP_NEXT
+} route_map_end_t;
+
+typedef enum
+{
+ RMAP_EVENT_SET_ADDED,
+ RMAP_EVENT_SET_DELETED,
+ RMAP_EVENT_SET_REPLACED,
+ RMAP_EVENT_MATCH_ADDED,
+ RMAP_EVENT_MATCH_DELETED,
+ RMAP_EVENT_MATCH_REPLACED,
+ RMAP_EVENT_INDEX_ADDED,
+ RMAP_EVENT_INDEX_DELETED
+} route_map_event_t;
+
+/* Route map rule structure for matching and setting. */
+struct route_map_rule_cmd
+{
+ /* Route map rule name (e.g. as-path, metric) */
+ char *str;
+
+ /* Function for value set or match. */
+ route_map_result_t (*func_apply)(void *, struct prefix *,
+ route_map_object_t, void *);
+
+ /* Compile argument and return result as void *. */
+ void *(*func_compile)(char *);
+
+ /* Free allocated value by func_compile (). */
+ void (*func_free)(void *);
+};
+
+/* Route map apply error. */
+enum
+{
+ /* Route map rule is missing. */
+ RMAP_RULE_MISSING = 1,
+
+ /* Route map rule can't compile */
+ RMAP_COMPILE_ERROR
+};
+
+/* Route map rule list. */
+struct route_map_rule_list
+{
+ struct route_map_rule *head;
+ struct route_map_rule *tail;
+};
+
+/* Route map index structure. */
+struct route_map_index
+{
+ struct route_map *map;
+
+ /* Preference of this route map rule. */
+ int pref;
+
+ /* Route map type permit or deny. */
+ enum route_map_type type;
+
+ /* Do we follow old rules, or hop forward? */
+ route_map_end_t exitpolicy;
+
+ /* If we're using "GOTO", to where do we go? */
+ int nextpref;
+
+ /* Matching rule list. */
+ struct route_map_rule_list match_list;
+ struct route_map_rule_list set_list;
+
+ /* Make linked list. */
+ struct route_map_index *next;
+ struct route_map_index *prev;
+};
+
+/* Route map list structure. */
+struct route_map
+{
+ /* Name of route map. */
+ char *name;
+
+ /* Route map's rule. */
+ struct route_map_index *head;
+ struct route_map_index *tail;
+
+ /* Make linked list. */
+ struct route_map *next;
+ struct route_map *prev;
+};
+
+/* Prototypes. */
+void route_map_init ();
+void route_map_init_vty ();
+
+/* Add match statement to route map. */
+int
+route_map_add_match (struct route_map_index *index,
+ char *match_name,
+ char *match_arg);
+
+/* Delete specified route match rule. */
+int
+route_map_delete_match (struct route_map_index *index,
+ char *match_name,
+ char *match_arg);
+
+/* Add route-map set statement to the route map. */
+int
+route_map_add_set (struct route_map_index *index,
+ char *set_name,
+ char *set_arg);
+
+/* Delete route map set rule. */
+int
+route_map_delete_set (struct route_map_index *index, char *set_name,
+ char *set_arg);
+
+/* Install rule command to the match list. */
+void
+route_map_install_match (struct route_map_rule_cmd *cmd);
+
+/* Install rule command to the set list. */
+void
+route_map_install_set (struct route_map_rule_cmd *cmd);
+
+/* Lookup route map by name. */
+struct route_map *
+route_map_lookup_by_name (char *name);
+
+/* Apply route map to the object. */
+route_map_result_t
+route_map_apply (struct route_map *map, struct prefix *,
+ route_map_object_t object_type, void *object);
+
+void route_map_add_hook (void (*func) (char *));
+void route_map_delete_hook (void (*func) (char *));
+void route_map_event_hook (void (*func) (route_map_event_t, char *));
+
+
+#endif /* _ZEBRA_ROUTEMAP_H */