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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#elif defined(_MSC_VER)
#include "config-msvc.h"
#endif
#include "syshead.h"
#include "interval.h"
#include "memdbg.h"
void
interval_init (struct interval *top, int horizon, int refresh)
{
CLEAR (*top);
top->refresh = refresh;
top->horizon = horizon;
}
bool
event_timeout_trigger (struct event_timeout *et,
struct timeval *tv,
const int et_const_retry)
{
bool ret = false;
const time_t local_now = now;
if (et->defined)
{
int wakeup = (int) et->last + et->n - local_now;
if (wakeup <= 0)
{
#if INTERVAL_DEBUG
dmsg (D_INTERVAL, "EVENT event_timeout_trigger (%d) etcr=%d", et->n, et_const_retry);
#endif
if (et_const_retry < 0)
{
et->last = local_now;
wakeup = et->n;
ret = true;
}
else
{
wakeup = et_const_retry;
}
}
if (tv && wakeup < tv->tv_sec)
{
#if INTERVAL_DEBUG
dmsg (D_INTERVAL, "EVENT event_timeout_wakeup (%d/%d) etcr=%d", wakeup, et->n, et_const_retry);
#endif
tv->tv_sec = wakeup;
tv->tv_usec = 0;
}
}
return ret;
}
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