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/*
 * OSPF Flooding -- RFC2328 Section 13.
 * Copyright (C) 1999, 2000 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_FLOOD_H
#define _ZEBRA_OSPF_FLOOD_H

extern int ospf_flood (struct ospf *, struct ospf_neighbor *,
		       struct ospf_lsa *, struct ospf_lsa *);
extern int ospf_flood_through (struct ospf *, struct ospf_neighbor *,
			       struct ospf_lsa *);
extern int ospf_flood_through_area (struct ospf_area *,
				    struct ospf_neighbor *,
				    struct ospf_lsa *);
extern int ospf_flood_through_as (struct ospf *, struct ospf_neighbor *,
				  struct ospf_lsa *);

extern unsigned long ospf_ls_request_count (struct ospf_neighbor *);
extern int ospf_ls_request_isempty (struct ospf_neighbor *);
extern struct ospf_lsa *ospf_ls_request_new (struct lsa_header *);
extern void ospf_ls_request_free (struct ospf_lsa *);
extern void ospf_ls_request_add (struct ospf_neighbor *, struct ospf_lsa *);
extern void ospf_ls_request_delete (struct ospf_neighbor *,
				    struct ospf_lsa *);
extern void ospf_ls_request_delete_all (struct ospf_neighbor *);
extern struct ospf_lsa *ospf_ls_request_lookup (struct ospf_neighbor *,
						struct ospf_lsa *);

extern unsigned long ospf_ls_retransmit_count (struct ospf_neighbor *);
extern unsigned long ospf_ls_retransmit_count_self (struct ospf_neighbor *,
						    int);
extern int ospf_ls_retransmit_isempty (struct ospf_neighbor *);
extern void ospf_ls_retransmit_add (struct ospf_neighbor *,
				    struct ospf_lsa *);
extern void ospf_ls_retransmit_delete (struct ospf_neighbor *,
				       struct ospf_lsa *);
extern void ospf_ls_retransmit_clear (struct ospf_neighbor *);
extern struct ospf_lsa *ospf_ls_retransmit_lookup (struct ospf_neighbor *,
						   struct ospf_lsa *);
extern void ospf_ls_retransmit_delete_nbr_area (struct ospf_area *,
						struct ospf_lsa *);
extern void ospf_ls_retransmit_delete_nbr_as (struct ospf *,
					      struct ospf_lsa *);
extern void ospf_ls_retransmit_add_nbr_all (struct ospf_interface *,
					    struct ospf_lsa *);

extern void ospf_flood_lsa_area (struct ospf_lsa *, struct ospf_area *);
extern void ospf_flood_lsa_as (struct ospf_lsa *);
extern void ospf_lsa_flush_area (struct ospf_lsa *, struct ospf_area *);
extern void ospf_lsa_flush_as (struct ospf *, struct ospf_lsa *);
extern void ospf_lsa_flush (struct ospf *, struct ospf_lsa *);
extern struct external_info *ospf_external_info_check (struct ospf_lsa *);

extern void ospf_lsdb_init (struct ospf_lsdb *);

#endif /* _ZEBRA_OSPF_FLOOD_H */