1 /*
2  * Copyright (C) 2003 Yasuhiro Ohara
3  *
4  * This file is part of GNU Zebra.
5  *
6  * GNU Zebra is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the
8  * Free Software Foundation; either version 2, or (at your option) any
9  * later version.
10  *
11  * GNU Zebra is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with this program; see the file COPYING; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef OSPF6_LSDB_H
22 #define OSPF6_LSDB_H
23 
24 #include "prefix.h"
25 #include "table.h"
26 #include "ospf6_route.h"
27 
28 struct ospf6_lsdb {
29 	void *data; /* data structure that holds this lsdb */
30 	struct route_table *table;
31 	uint32_t count;
32 	void (*hook_add)(struct ospf6_lsa *);
33 	void (*hook_remove)(struct ospf6_lsa *);
34 };
35 
36 /* Function Prototypes */
37 extern struct ospf6_lsdb *ospf6_lsdb_create(void *data);
38 extern void ospf6_lsdb_delete(struct ospf6_lsdb *lsdb);
39 
40 extern struct ospf6_lsa *ospf6_lsdb_lookup(uint16_t type, uint32_t id,
41 					   uint32_t adv_router,
42 					   struct ospf6_lsdb *lsdb);
43 extern struct ospf6_lsa *ospf6_lsdb_lookup_next(uint16_t type, uint32_t id,
44 						uint32_t adv_router,
45 						struct ospf6_lsdb *lsdb);
46 
47 extern void ospf6_lsdb_add(struct ospf6_lsa *lsa, struct ospf6_lsdb *lsdb);
48 extern void ospf6_lsdb_remove(struct ospf6_lsa *lsa, struct ospf6_lsdb *lsdb);
49 
50 extern const struct route_node *ospf6_lsdb_head(struct ospf6_lsdb *lsdb,
51 						int argmode, uint16_t type,
52 						uint32_t adv_router,
53 						struct ospf6_lsa **lsa);
54 extern struct ospf6_lsa *ospf6_lsdb_next(const struct route_node *iterend,
55 					 struct ospf6_lsa *lsa);
56 
57 #define ALL_LSDB_TYPED_ADVRTR(lsdb, type, adv_router, lsa)                     \
58 	const struct route_node *iterend =                                     \
59 		ospf6_lsdb_head(lsdb, 2, type, adv_router, &lsa);              \
60 	lsa;                                                                   \
61 	lsa = ospf6_lsdb_next(iterend, lsa)
62 
63 #define ALL_LSDB_TYPED(lsdb, type, lsa)                                        \
64 	const struct route_node *iterend =                                     \
65 		ospf6_lsdb_head(lsdb, 1, type, 0, &lsa);                       \
66 	lsa;                                                                   \
67 	lsa = ospf6_lsdb_next(iterend, lsa)
68 
69 #define ALL_LSDB(lsdb, lsa)                                                    \
70 	const struct route_node *iterend =                                     \
71 		ospf6_lsdb_head(lsdb, 0, 0, 0, &lsa);                          \
72 	lsa;                                                                   \
73 	lsa = ospf6_lsdb_next(iterend, lsa)
74 
75 extern void ospf6_lsdb_remove_all(struct ospf6_lsdb *lsdb);
76 extern void ospf6_lsdb_lsa_unlock(struct ospf6_lsa *lsa);
77 
78 enum ospf_lsdb_show_level {
79 	OSPF6_LSDB_SHOW_LEVEL_NORMAL = 0,
80 	OSPF6_LSDB_SHOW_LEVEL_DETAIL,
81 	OSPF6_LSDB_SHOW_LEVEL_INTERNAL,
82 	OSPF6_LSDB_SHOW_LEVEL_DUMP,
83 };
84 
85 extern void ospf6_lsdb_show(struct vty *vty, enum ospf_lsdb_show_level level,
86 			    uint16_t *type, uint32_t *id, uint32_t *adv_router,
87 			    struct ospf6_lsdb *lsdb);
88 
89 extern uint32_t ospf6_new_ls_id(uint16_t type, uint32_t adv_router,
90 				struct ospf6_lsdb *lsdb);
91 extern uint32_t ospf6_new_ls_seqnum(uint16_t type, uint32_t id,
92 				    uint32_t adv_router,
93 				    struct ospf6_lsdb *lsdb);
94 extern int ospf6_lsdb_maxage_remover(struct ospf6_lsdb *lsdb);
95 
96 #endif /* OSPF6_LSDB_H */
97