Annotation of embedaddon/quagga/ospfd/ospf_lsdb.h, revision 1.1.1.1
1.1 misho 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;
33: unsigned int checksum;
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. */
46: #define LSDB_LOOP(T,N,L) \
47: if ((T) != NULL) \
48: for ((N) = route_top ((T)); ((N)); ((N)) = route_next ((N))) \
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. */
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 *);
69: extern void ospf_lsdb_add (struct ospf_lsdb *, struct ospf_lsa *);
70: extern void ospf_lsdb_delete (struct ospf_lsdb *, struct ospf_lsa *);
71: extern void ospf_lsdb_delete_all (struct ospf_lsdb *);
72: /* Set all stats to -1 (LSA_SPF_NOT_EXPLORED). */
73: extern void ospf_lsdb_clean_stat (struct ospf_lsdb *lsdb);
74: extern struct ospf_lsa *ospf_lsdb_lookup (struct ospf_lsdb *, struct ospf_lsa *);
75: extern struct ospf_lsa *ospf_lsdb_lookup_by_id (struct ospf_lsdb *, u_char,
76: struct in_addr, struct in_addr);
77: extern struct ospf_lsa *ospf_lsdb_lookup_by_id_next (struct ospf_lsdb *, u_char,
78: struct in_addr, struct in_addr,
79: int);
80: extern unsigned long ospf_lsdb_count_all (struct ospf_lsdb *);
81: extern unsigned long ospf_lsdb_count (struct ospf_lsdb *, int);
82: extern unsigned long ospf_lsdb_count_self (struct ospf_lsdb *, int);
83: extern unsigned int ospf_lsdb_checksum (struct ospf_lsdb *, int);
84: extern unsigned long ospf_lsdb_isempty (struct ospf_lsdb *);
85:
86: #endif /* _ZEBRA_OSPF_LSDB_H */
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