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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OSPF LSDB support.
* Copyright (C) 1999, 2000 Alex Zinin, Kunihiro Ishiguro, Toshiaki Takada
*/
#ifndef _ZEBRA_OSPF_LSDB_H
#define _ZEBRA_OSPF_LSDB_H
/* OSPF LSDB structure. */
struct ospf_lsdb {
struct {
unsigned long count;
unsigned long count_self;
unsigned int checksum;
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. */
extern struct ospf_lsdb *ospf_lsdb_new(void);
extern void ospf_lsdb_init(struct ospf_lsdb *);
extern void ospf_lsdb_free(struct ospf_lsdb *);
extern void ospf_lsdb_cleanup(struct ospf_lsdb *);
extern void ls_prefix_set(struct prefix_ls *lp, struct ospf_lsa *lsa);
extern void ospf_lsdb_add(struct ospf_lsdb *, struct ospf_lsa *);
extern void ospf_lsdb_delete(struct ospf_lsdb *, struct ospf_lsa *);
extern void ospf_lsdb_delete_all(struct ospf_lsdb *);
extern struct ospf_lsa *ospf_lsdb_lookup(struct ospf_lsdb *, struct ospf_lsa *);
extern struct ospf_lsa *ospf_lsdb_lookup_by_id(struct ospf_lsdb *, uint8_t,
struct in_addr, struct in_addr);
extern struct ospf_lsa *ospf_lsdb_lookup_by_id_next(struct ospf_lsdb *, uint8_t,
struct in_addr,
struct in_addr, int);
extern unsigned long ospf_lsdb_count_all(struct ospf_lsdb *);
extern unsigned long ospf_lsdb_count(struct ospf_lsdb *, int);
extern unsigned long ospf_lsdb_count_self(struct ospf_lsdb *, int);
extern unsigned int ospf_lsdb_checksum(struct ospf_lsdb *, int);
extern unsigned long ospf_lsdb_isempty(struct ospf_lsdb *);
#endif /* _ZEBRA_OSPF_LSDB_H */
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