1 /* $FreeBSD: stable/10/usr.sbin/rtadvd/timer_subr.c 253970 2013-08-05 20:13:02Z hrs $ */
2 /* $KAME: timer.c,v 1.9 2002/06/10 19:59:47 itojun Exp $ */
3
4 /*
5 * Copyright (C) 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <sys/queue.h>
34 #include <sys/socket.h>
35 #include <syslog.h>
36 #include <stdio.h>
37 #include <inttypes.h>
38 #include <time.h>
39
40 #include "timer.h"
41 #include "timer_subr.h"
42
43 struct timespec *
rtadvd_timer_rest(struct rtadvd_timer * rat)44 rtadvd_timer_rest(struct rtadvd_timer *rat)
45 {
46 static struct timespec returnval, now;
47
48 clock_gettime(CLOCK_MONOTONIC_FAST, &now);
49 if (TS_CMP(&rat->rat_tm, &now, <=)) {
50 syslog(LOG_DEBUG,
51 "<%s> a timer must be expired, but not yet",
52 __func__);
53 returnval.tv_sec = returnval.tv_nsec = 0;
54 }
55 else
56 TS_SUB(&rat->rat_tm, &now, &returnval);
57
58 return (&returnval);
59 }
60
61 char *
sec2str(uint32_t s,char * buf)62 sec2str(uint32_t s, char *buf)
63 {
64 uint32_t day;
65 uint32_t hour;
66 uint32_t min;
67 uint32_t sec;
68 char *p;
69
70 min = s / 60;
71 sec = s % 60;
72
73 hour = min / 60;
74 min = min % 60;
75
76 day = hour / 24;
77 hour = hour % 24;
78
79 p = buf;
80 if (day > 0)
81 p += sprintf(p, "%" PRIu32 "d", day);
82 if (hour > 0)
83 p += sprintf(p, "%" PRIu32 "h", hour);
84 if (min > 0)
85 p += sprintf(p, "%" PRIu32 "m", min);
86
87 if ((p == buf) || (sec > 0 && p > buf))
88 sprintf(p, "%" PRIu32 "s", sec);
89
90 return (buf);
91 }
92