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/* $OpenBSD: timer.c,v 1.4 2007/12/23 18:56:17 henning Exp $ */
/*
* Copyright (c) 2003-2007 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include "bgpd.h"
#include "session.h"
time_t *
timer_get(struct peer *p, enum Timer timer)
{
switch (timer) {
case Timer_None:
fatal("timer_get called with Timer_None");
case Timer_ConnectRetry:
return (&p->ConnectRetryTimer);
case Timer_Keepalive:
return (&p->KeepaliveTimer);
case Timer_Hold:
return (&p->HoldTimer);
case Timer_IdleHold:
return (&p->IdleHoldTimer);
case Timer_IdleHoldReset:
return (&p->IdleHoldResetTimer);
case Timer_Max:
fatal("timer_get called with Timer_Max");
}
fatal("King Bula lost in time");
}
int
timer_due(struct peer *p, enum Timer timer)
{
time_t *t = timer_get(p, timer);
if (t != NULL && *t > 0 && *t <= time(NULL))
return (1);
return (0);
}
time_t
timer_nextduein(struct peer *p)
{
u_int i;
time_t d, r = -1;
for (i = 1; i < Timer_Max; i++)
if (timer_running(p, i, &d))
if (r == -1 || d < r)
r = d;
return (r);
}
int
timer_running(struct peer *p, enum Timer timer, time_t *left)
{
time_t *t = timer_get(p, timer);
if (t != NULL && *t > 0) {
if (left != NULL)
*left = *t - time(NULL);
return (1);
}
return (0);
}
void
timer_set(struct peer *p, enum Timer timer, u_int offset)
{
time_t *t = timer_get(p, timer);
*t = time(NULL) + offset;
}
void
timer_stop(struct peer *p, enum Timer timer)
{
time_t *t = timer_get(p, timer);
if (t != NULL)
*t = 0;
}
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