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718e3744 | 1 | /* |
2 | * OSPF LSDB support. | |
3 | * Copyright (C) 1999, 2000 Alex Zinin, Kunihiro Ishiguro, Toshiaki Takada | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #ifndef _ZEBRA_OSPF_LSDB_H | |
24 | #define _ZEBRA_OSPF_LSDB_H | |
25 | ||
26 | /* OSPF LSDB structure. */ | |
27 | struct ospf_lsdb | |
28 | { | |
29 | struct | |
30 | { | |
31 | unsigned long count; | |
32 | unsigned long count_self; | |
fe71a97d | 33 | unsigned int checksum; |
718e3744 | 34 | struct route_table *db; |
35 | } type[OSPF_MAX_LSA]; | |
36 | unsigned long total; | |
37 | #define MONITOR_LSDB_CHANGE 1 /* XXX */ | |
38 | #ifdef MONITOR_LSDB_CHANGE | |
39 | /* Hooks for callback functions to catch every add/del event. */ | |
40 | int (* new_lsa_hook)(struct ospf_lsa *); | |
41 | int (* del_lsa_hook)(struct ospf_lsa *); | |
42 | #endif /* MONITOR_LSDB_CHANGE */ | |
43 | }; | |
44 | ||
45 | /* Macros. */ | |
fe71a97d | 46 | #define LSDB_LOOP(T,N,L) \ |
47 | if ((T) != NULL) \ | |
48 | for ((N) = route_top ((T)); ((N)); ((N)) = route_next ((N))) \ | |
718e3744 | 49 | if (((L) = (N)->info)) |
50 | ||
51 | #define ROUTER_LSDB(A) ((A)->lsdb->type[OSPF_ROUTER_LSA].db) | |
52 | #define NETWORK_LSDB(A) ((A)->lsdb->type[OSPF_NETWORK_LSA].db) | |
53 | #define SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_SUMMARY_LSA].db) | |
54 | #define ASBR_SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_ASBR_SUMMARY_LSA].db) | |
55 | #define EXTERNAL_LSDB(O) ((O)->lsdb->type[OSPF_AS_EXTERNAL_LSA].db) | |
56 | #define NSSA_LSDB(A) ((A)->lsdb->type[OSPF_AS_NSSA_LSA].db) | |
57 | #define OPAQUE_LINK_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_LINK_LSA].db) | |
58 | #define OPAQUE_AREA_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_AREA_LSA].db) | |
59 | #define OPAQUE_AS_LSDB(O) ((O)->lsdb->type[OSPF_OPAQUE_AS_LSA].db) | |
60 | ||
61 | #define AREA_LSDB(A,T) ((A)->lsdb->type[(T)].db) | |
62 | #define AS_LSDB(O,T) ((O)->lsdb->type[(T)].db) | |
63 | ||
64 | /* OSPF LSDB related functions. */ | |
4dadc291 | 65 | extern struct ospf_lsdb *ospf_lsdb_new (void); |
66 | extern void ospf_lsdb_init (struct ospf_lsdb *); | |
67 | extern void ospf_lsdb_free (struct ospf_lsdb *); | |
68 | extern void ospf_lsdb_cleanup (struct ospf_lsdb *); | |
91e6a0e5 | 69 | extern void ls_prefix_set (struct prefix_ls *lp, struct ospf_lsa *lsa); |
4dadc291 | 70 | extern void ospf_lsdb_add (struct ospf_lsdb *, struct ospf_lsa *); |
71 | extern void ospf_lsdb_delete (struct ospf_lsdb *, struct ospf_lsa *); | |
72 | extern void ospf_lsdb_delete_all (struct ospf_lsdb *); | |
462f20d5 | 73 | /* Set all stats to -1 (LSA_SPF_NOT_EXPLORED). */ |
4dadc291 | 74 | extern void ospf_lsdb_clean_stat (struct ospf_lsdb *lsdb); |
75 | extern struct ospf_lsa *ospf_lsdb_lookup (struct ospf_lsdb *, struct ospf_lsa *); | |
76 | extern struct ospf_lsa *ospf_lsdb_lookup_by_id (struct ospf_lsdb *, u_char, | |
718e3744 | 77 | struct in_addr, struct in_addr); |
4dadc291 | 78 | extern struct ospf_lsa *ospf_lsdb_lookup_by_id_next (struct ospf_lsdb *, u_char, |
718e3744 | 79 | struct in_addr, struct in_addr, |
80 | int); | |
4dadc291 | 81 | extern unsigned long ospf_lsdb_count_all (struct ospf_lsdb *); |
82 | extern unsigned long ospf_lsdb_count (struct ospf_lsdb *, int); | |
83 | extern unsigned long ospf_lsdb_count_self (struct ospf_lsdb *, int); | |
84 | extern unsigned int ospf_lsdb_checksum (struct ospf_lsdb *, int); | |
85 | extern unsigned long ospf_lsdb_isempty (struct ospf_lsdb *); | |
718e3744 | 86 | |
87 | #endif /* _ZEBRA_OSPF_LSDB_H */ |