1/*
2 * Copyright (C) 2001 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
17 * along with GNU Zebra; see the file COPYING.  If not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22#ifndef OSPF6_HOOK_H
23#define OSPF6_HOOK_H
24
25#include "ospf6_dump.h"
26
27struct ospf6_hook
28{
29  struct ospf6_hook *prev;
30  struct ospf6_hook *next;
31
32  char *name;
33  int (*hook_add) (void *);
34  int (*hook_change) (void *);
35  int (*hook_remove) (void *);
36};
37
38struct ospf6_hook_master
39{
40  char *name;
41  struct ospf6_hook *head;
42  struct ospf6_hook *tail;
43  int count;
44};
45
46#define CALL_HOOKS(master,hookname,hookstr,data) \
47  {\
48    struct ospf6_hook *hook;\
49    for (hook = (master)->head; hook; hook = hook->next)\
50      {\
51        if (hook->hookname)\
52          {\
53            if (IS_OSPF6_DUMP_HOOK)\
54              zlog_info ("HOOK: Call %s hook: %s", (hookstr), hook->name);\
55            (*(hook->hookname)) (data);\
56          }\
57      }\
58  }
59#define CALL_ADD_HOOK(master,data) \
60  { CALL_HOOKS ((master), hook_add, "ADD", (data)) }
61#define CALL_CHANGE_HOOK(master,data) \
62  { CALL_HOOKS ((master), hook_change, "CHANGE", (data)) }
63#define CALL_REMOVE_HOOK(master,data) \
64  { CALL_HOOKS ((master), hook_remove, "REMOVE", (data)) }
65
66#define IS_HOOK_SET(hook) \
67  ((hook)->hook_add || (hook)->hook_change || (hook)->hook_remove)
68
69extern struct ospf6_hook_master neighbor_hook;
70extern struct ospf6_hook_master interface_hook;
71extern struct ospf6_hook_master area_hook;
72extern struct ospf6_hook_master top_hook;
73extern struct ospf6_hook_master database_hook;
74extern struct ospf6_hook_master intra_topology_hook;
75extern struct ospf6_hook_master inter_topology_hook;
76extern struct ospf6_hook_master route_hook;
77extern struct ospf6_hook_master redistribute_hook;
78
79void ospf6_hook_register (struct ospf6_hook *,
80                          struct ospf6_hook_master *);
81void ospf6_hook_unregister (struct ospf6_hook *,
82                            struct ospf6_hook_master *);
83void ospf6_hook_unregister_all (struct ospf6_hook_master *);
84void ospf6_hook_init ();
85
86#endif /*OSPF6_HOOK_H*/
87
88