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/*
* Copyright (C) 2001 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <zebra.h>
#include "log.h"
#include "memory.h"
#include "ospf6_hook.h"
struct ospf6_hook_master neighbor_hook;
struct ospf6_hook_master interface_hook;
struct ospf6_hook_master area_hook;
struct ospf6_hook_master top_hook;
struct ospf6_hook_master database_hook;
struct ospf6_hook_master intra_topology_hook;
struct ospf6_hook_master inter_topology_hook;
struct ospf6_hook_master route_hook;
struct ospf6_hook_master redistribute_hook;
static struct ospf6_hook *
ospf6_hook_create ()
{
struct ospf6_hook *new;
new = XMALLOC (MTYPE_OSPF6_OTHER, sizeof (struct ospf6_hook));
if (new == NULL)
return NULL;
memset (new, 0, sizeof (struct ospf6_hook));
return new;
}
static void
ospf6_hook_delete (struct ospf6_hook *hook)
{
XFREE (MTYPE_OSPF6_OTHER, hook);
}
static int
ospf6_hook_issame (struct ospf6_hook *hook1, struct ospf6_hook *hook2)
{
if (hook1->name && hook2->name &&
strcmp (hook1->name, hook2->name) != 0)
return 0;
if (hook1->hook_add != hook2->hook_add)
return 0;
if (hook1->hook_change != hook2->hook_change)
return 0;
if (hook1->hook_remove != hook2->hook_remove)
return 0;
return 1;
}
void
ospf6_hook_register (struct ospf6_hook *hook,
struct ospf6_hook_master *master)
{
struct ospf6_hook *new;
new = ospf6_hook_create ();
if (hook->name)
new->name = strdup (hook->name);
new->hook_add = hook->hook_add;
new->hook_change = hook->hook_change;
new->hook_remove = hook->hook_remove;
new->prev = master->tail;
if (master->tail)
master->tail->next = new;
master->tail = new;
if (! master->head)
master->head = new;
master->count++;
if (IS_OSPF6_DUMP_HOOK)
{
zlog_info ("HOOK: Register hook%s%s%s%s",
(hook->name ? " " : ""),
(hook->name ? hook->name : ""),
(master->name ? " to " : ""),
(master->name ? master->name : ""));
}
}
void
ospf6_hook_unregister (struct ospf6_hook *req,
struct ospf6_hook_master *master)
{
struct ospf6_hook *hook;
for (hook = master->head; hook; hook = hook->next)
{
if (ospf6_hook_issame (hook, req))
break;
}
if (! hook)
return;
if (hook->prev)
hook->prev->next = hook->next;
if (hook->next)
hook->next->prev = hook->prev;
if (master->head == hook)
master->head = hook->next;
if (master->tail == hook)
master->tail = hook->prev;
master->count--;
if (IS_OSPF6_DUMP_HOOK)
{
zlog_info ("HOOK: Unregister hook%s%s%s%s",
(hook->name ? " " : ""),
(hook->name ? hook->name : ""),
(master->name ? " to " : ""),
(master->name ? master->name : ""));
}
if (hook->name)
free (hook->name);
ospf6_hook_delete (hook);
}
void
ospf6_hook_unregister_all (struct ospf6_hook_master *master)
{
struct ospf6_hook *hook, *next;
for (hook = master->head; hook; hook = next)
{
next = hook->next;
ospf6_hook_delete (hook);
}
master->head = NULL;
master->tail = NULL;
master->count = 0;
}
void
ospf6_hook_init ()
{
neighbor_hook.name = "Neighbor Hooklist";
interface_hook.name = "Interface Hooklist";
area_hook.name = "Area Hooklist";
top_hook.name = "Top Hooklist";
database_hook.name = "Database Hooklist";
intra_topology_hook.name = "IntraTopology Hooklist";
inter_topology_hook.name = "InterTopology Hooklist";
route_hook.name = "Route Hooklist";
}
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