/*
 * 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_FLOODING_H
#define _ZEBRA_OSPF_FLOODING_H

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

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

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

void ospf_flood_lsa_area (struct ospf_lsa *, struct ospf_area *);
void ospf_flood_lsa_as (struct ospf_lsa *);
void ospf_lsa_flush_area (struct ospf_lsa *, struct ospf_area *);
void ospf_lsa_flush_as (struct ospf_lsa *);
void ospf_flush_through_as (struct ospf_lsa *);
struct external_info *ospf_external_info_check (struct ospf_lsa *);

void debug_ospf_ls_retransmit (struct ospf_neighbor *);

void ospf_lsdb_init (struct ospf_lsdb *);

#endif /* _ZEBRA_OSPF_FLOODING_H */