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/* $OpenBSD: scheduler_backend.c,v 1.11 2013/07/19 21:34:31 eric Exp $ */
/*
* Copyright (c) 2012 Gilles Chehade <gilles@poolp.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/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/socket.h>
#include <ctype.h>
#include <err.h>
#include <event.h>
#include <fcntl.h>
#include <imsg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "smtpd.h"
#include "log.h"
extern struct scheduler_backend scheduler_backend_null;
extern struct scheduler_backend scheduler_backend_proc;
extern struct scheduler_backend scheduler_backend_ramqueue;
struct scheduler_backend *
scheduler_backend_lookup(const char *name)
{
if (!strcmp(name, "null"))
return &scheduler_backend_null;
if (!strcmp(name, "proc"))
return &scheduler_backend_proc;
if (!strcmp(name, "ramqueue"))
return &scheduler_backend_ramqueue;
return NULL;
}
void
scheduler_info(struct scheduler_info *sched, struct envelope *evp, uint32_t penalty)
{
sched->evpid = evp->id;
sched->type = evp->type;
sched->creation = evp->creation;
sched->retry = evp->retry;
sched->expire = evp->expire;
sched->lasttry = evp->lasttry;
sched->lastbounce = evp->lastbounce;
sched->nexttry = 0;
sched->penalty = penalty;
}
time_t
scheduler_compute_schedule(struct scheduler_info *sched)
{
time_t delay;
uint32_t retry;
if (sched->type == D_MTA)
delay = 800;
else
delay = 10;
retry = sched->retry + sched->penalty;
delay = ((delay * retry) * retry) / 2;
return (sched->creation + delay);
}
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