ospf6d/ospf6_hook.h

   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
  27 struct 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
  38 struct 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
  69 extern struct ospf6_hook_master neighbor_hook;
  70 extern struct ospf6_hook_master interface_hook;
  71 extern struct ospf6_hook_master area_hook;
  72 extern struct ospf6_hook_master top_hook;
  73 extern struct ospf6_hook_master database_hook;
  74 extern struct ospf6_hook_master intra_topology_hook;
  75 extern struct ospf6_hook_master inter_topology_hook;
  76 extern struct ospf6_hook_master route_hook;
  77 extern struct ospf6_hook_master redistribute_hook;
  78
  79 void ospf6_hook_register (struct ospf6_hook *,
  80                           struct ospf6_hook_master *);
  81 void ospf6_hook_unregister (struct ospf6_hook *,
  82                             struct ospf6_hook_master *);
  83 void ospf6_hook_unregister_all (struct ospf6_hook_master *);
  84 void ospf6_hook_init ();
  85
  86 #endif /*OSPF6_HOOK_H*/
  87