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/*
* (C) 2006 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cache.h"
#include "conntrackd.h"
#include "us-conntrack.h"
#include "alarm.h"
#include "debug.h"
#include <stdio.h>
static void timeout(struct alarm_block *a, void *data)
{
struct us_conntrack *u = data;
debug_ct(u->ct, "expired timeout");
cache_del(u->cache, u->ct);
}
static void timer_add(struct us_conntrack *u, void *data)
{
struct alarm_block *alarm = data;
init_alarm(alarm, u, timeout);
add_alarm(alarm, CONFIG(cache_timeout), 0);
}
static void timer_update(struct us_conntrack *u, void *data)
{
struct alarm_block *alarm = data;
add_alarm(alarm, CONFIG(cache_timeout), 0);
}
static void timer_destroy(struct us_conntrack *u, void *data)
{
struct alarm_block *alarm = data;
del_alarm(alarm);
}
static int timer_dump(struct us_conntrack *u, void *data, char *buf, int type)
{
struct timeval tv, tmp;
struct alarm_block *alarm = data;
if (type == NFCT_O_XML)
return 0;
if (!alarm_pending(alarm))
return 0;
gettimeofday(&tv, NULL);
timersub(&tv, &alarm->tv, &tmp);
return sprintf(buf, " [expires in %lds]", tmp.tv_sec);
}
struct cache_feature timer_feature = {
.size = sizeof(struct alarm_block),
.add = timer_add,
.update = timer_update,
.destroy = timer_destroy,
.dump = timer_dump
};
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