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84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/*
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* OSPF LSDB support.
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* Copyright (C) 1999, 2000 Alex Zinin, Kunihiro Ishiguro, Toshiaki Takada
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _ZEBRA_OSPF_LSDB_H
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#define _ZEBRA_OSPF_LSDB_H
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/* OSPF LSDB structure. */
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struct ospf_lsdb
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{
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struct
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{
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unsigned long count;
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unsigned long count_self;
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struct route_table *db;
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} type[OSPF_MAX_LSA];
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unsigned long total;
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#define MONITOR_LSDB_CHANGE 1 /* XXX */
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#ifdef MONITOR_LSDB_CHANGE
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/* Hooks for callback functions to catch every add/del event. */
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int (* new_lsa_hook)(struct ospf_lsa *);
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int (* del_lsa_hook)(struct ospf_lsa *);
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#endif /* MONITOR_LSDB_CHANGE */
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};
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/* Macros. */
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#define LSDB_LOOP(T,N,L) \
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for ((N) = route_top ((T)); ((N)); ((N)) = route_next ((N))) \
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if (((L) = (N)->info))
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#define ROUTER_LSDB(A) ((A)->lsdb->type[OSPF_ROUTER_LSA].db)
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#define NETWORK_LSDB(A) ((A)->lsdb->type[OSPF_NETWORK_LSA].db)
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#define SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_SUMMARY_LSA].db)
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#define ASBR_SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_ASBR_SUMMARY_LSA].db)
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#define EXTERNAL_LSDB(O) ((O)->lsdb->type[OSPF_AS_EXTERNAL_LSA].db)
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#define NSSA_LSDB(A) ((A)->lsdb->type[OSPF_AS_NSSA_LSA].db)
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#define OPAQUE_LINK_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_LINK_LSA].db)
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#define OPAQUE_AREA_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_AREA_LSA].db)
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#define OPAQUE_AS_LSDB(O) ((O)->lsdb->type[OSPF_OPAQUE_AS_LSA].db)
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#define AREA_LSDB(A,T) ((A)->lsdb->type[(T)].db)
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#define AS_LSDB(O,T) ((O)->lsdb->type[(T)].db)
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/* OSPF LSDB related functions. */
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struct ospf_lsdb *ospf_lsdb_new ();
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void ospf_lsdb_init (struct ospf_lsdb *);
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void ospf_lsdb_free (struct ospf_lsdb *);
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void ospf_lsdb_cleanup (struct ospf_lsdb *);
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void ospf_lsdb_add (struct ospf_lsdb *, struct ospf_lsa *);
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void ospf_lsdb_delete (struct ospf_lsdb *, struct ospf_lsa *);
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void ospf_lsdb_delete_all (struct ospf_lsdb *);
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struct ospf_lsa *ospf_lsdb_lookup (struct ospf_lsdb *, struct ospf_lsa *);
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struct ospf_lsa *ospf_lsdb_lookup_by_id (struct ospf_lsdb *, u_char,
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struct in_addr, struct in_addr);
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struct ospf_lsa *ospf_lsdb_lookup_by_id_next (struct ospf_lsdb *, u_char,
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struct in_addr, struct in_addr,
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int);
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unsigned long ospf_lsdb_count_all (struct ospf_lsdb *);
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unsigned long ospf_lsdb_count (struct ospf_lsdb *, int);
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unsigned long ospf_lsdb_count_self (struct ospf_lsdb *, int);
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unsigned long ospf_lsdb_isempty (struct ospf_lsdb *);
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struct ospf_lsa *foreach_lsa (struct route_table *, void *, int,
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int (*callback) (struct ospf_lsa *, void *, int));
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#endif /* _ZEBRA_OSPF_LSDB_H */
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