ospf_lsdb.h
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上传日期:2009-11-15
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- /*
- * OSPF LSDB support.
- * Copyright (C) 1999, 2000 Alex Zinin, Kunihiro Ishiguro, Toshiaki Takada
- *
- * 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_OSPF_LSDB_H
- #define _ZEBRA_OSPF_LSDB_H
- /* OSPF LSDB structure. */
- struct ospf_lsdb
- {
- struct
- {
- unsigned long count;
- unsigned long count_self;
- struct route_table *db;
- } type[OSPF_MAX_LSA];
- unsigned long total;
- #define MONITOR_LSDB_CHANGE 1 /* XXX */
- #ifdef MONITOR_LSDB_CHANGE
- /* Hooks for callback functions to catch every add/del event. */
- int (* new_lsa_hook)(struct ospf_lsa *);
- int (* del_lsa_hook)(struct ospf_lsa *);
- #endif /* MONITOR_LSDB_CHANGE */
- };
- /* Macros. */
- #define LSDB_LOOP(T,N,L)
- if ((T) != NULL)
- for ((N) = route_top ((T)); ((N)); ((N)) = route_next ((N)))
- if (((L) = (N)->info))
- #define ROUTER_LSDB(A) ((A)->lsdb->type[OSPF_ROUTER_LSA].db)
- #define NETWORK_LSDB(A) ((A)->lsdb->type[OSPF_NETWORK_LSA].db)
- #define SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_SUMMARY_LSA].db)
- #define ASBR_SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_ASBR_SUMMARY_LSA].db)
- #define EXTERNAL_LSDB(O) ((O)->lsdb->type[OSPF_AS_EXTERNAL_LSA].db)
- #define NSSA_LSDB(A) ((A)->lsdb->type[OSPF_AS_NSSA_LSA].db)
- #define OPAQUE_LINK_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_LINK_LSA].db)
- #define OPAQUE_AREA_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_AREA_LSA].db)
- #define OPAQUE_AS_LSDB(O) ((O)->lsdb->type[OSPF_OPAQUE_AS_LSA].db)
- #define AREA_LSDB(A,T) ((A)->lsdb->type[(T)].db)
- #define AS_LSDB(O,T) ((O)->lsdb->type[(T)].db)
- /* OSPF LSDB related functions. */
- struct ospf_lsdb *ospf_lsdb_new ();
- void ospf_lsdb_init (struct ospf_lsdb *);
- void ospf_lsdb_free (struct ospf_lsdb *);
- void ospf_lsdb_cleanup (struct ospf_lsdb *);
- void ospf_lsdb_add (struct ospf_lsdb *, struct ospf_lsa *);
- void ospf_lsdb_delete (struct ospf_lsdb *, struct ospf_lsa *);
- void ospf_lsdb_delete_all (struct ospf_lsdb *);
- struct ospf_lsa *ospf_lsdb_lookup (struct ospf_lsdb *, struct ospf_lsa *);
- struct ospf_lsa *ospf_lsdb_lookup_by_id (struct ospf_lsdb *, u_char,
- struct in_addr, struct in_addr);
- struct ospf_lsa *ospf_lsdb_lookup_by_id_next (struct ospf_lsdb *, u_char,
- struct in_addr, struct in_addr,
- int);
- unsigned long ospf_lsdb_count_all (struct ospf_lsdb *);
- unsigned long ospf_lsdb_count (struct ospf_lsdb *, int);
- unsigned long ospf_lsdb_count_self (struct ospf_lsdb *, int);
- unsigned long ospf_lsdb_isempty (struct ospf_lsdb *);
- #endif /* _ZEBRA_OSPF_LSDB_H */