Initial revision

1 files changed, 194 insertions, 0 deletions

diff --git a/lib/routemap.h b/lib/routemap.h
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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 */