1 /* $FreeBSD$ */ 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 * 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 * 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