1 /*	$OpenBSD: scheduler_backend.c,v 1.18 2021/06/14 17:58:16 eric Exp $	*/
2 
3 /*
4  * Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <string.h>
20 
21 #include "smtpd.h"
22 
23 extern struct scheduler_backend scheduler_backend_null;
24 extern struct scheduler_backend scheduler_backend_proc;
25 extern struct scheduler_backend scheduler_backend_ramqueue;
26 
27 struct scheduler_backend *
scheduler_backend_lookup(const char * name)28 scheduler_backend_lookup(const char *name)
29 {
30 	if (!strcmp(name, "null"))
31 		return &scheduler_backend_null;
32 	if (!strcmp(name, "ramqueue"))
33 		return &scheduler_backend_ramqueue;
34 
35 	return &scheduler_backend_proc;
36 }
37 
38 void
scheduler_info(struct scheduler_info * sched,struct envelope * evp)39 scheduler_info(struct scheduler_info *sched, struct envelope *evp)
40 {
41 	struct dispatcher *disp;
42 
43 	disp = evp->type == D_BOUNCE ?
44 	    env->sc_dispatcher_bounce :
45 	    dict_xget(env->sc_dispatchers, evp->dispatcher);
46 
47 	switch (disp->type) {
48 	case DISPATCHER_LOCAL:
49 		sched->type = D_MDA;
50 		break;
51 	case DISPATCHER_REMOTE:
52 		sched->type = D_MTA;
53 		break;
54 	case DISPATCHER_BOUNCE:
55 		sched->type = D_BOUNCE;
56 		break;
57 	}
58 	sched->ttl = disp->ttl ? disp->ttl : env->sc_ttl;
59 
60 	sched->evpid = evp->id;
61 	sched->creation = evp->creation;
62 	sched->retry = evp->retry;
63 	sched->lasttry = evp->lasttry;
64 	sched->lastbounce = evp->lastbounce;
65 	sched->nexttry	= 0;
66 }
67