1 /* $KAME: timer.c,v 1.9 2002/06/10 19:59:47 itojun Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (C) 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/queue.h> 35 #include <sys/socket.h> 36 #include <syslog.h> 37 #include <stdio.h> 38 #include <inttypes.h> 39 #include <time.h> 40 41 #include "timer.h" 42 #include "timer_subr.h" 43 44 struct timespec * 45 rtadvd_timer_rest(struct rtadvd_timer *rat) 46 { 47 static struct timespec returnval, now; 48 49 clock_gettime(CLOCK_MONOTONIC_FAST, &now); 50 if (TS_CMP(&rat->rat_tm, &now, <=)) { 51 syslog(LOG_DEBUG, 52 "<%s> a timer must be expired, but not yet", 53 __func__); 54 returnval.tv_sec = returnval.tv_nsec = 0; 55 } 56 else 57 TS_SUB(&rat->rat_tm, &now, &returnval); 58 59 return (&returnval); 60 } 61 62 char * 63 sec2str(uint32_t s, char *buf) 64 { 65 uint32_t day; 66 uint32_t hour; 67 uint32_t min; 68 uint32_t sec; 69 char *p; 70 71 min = s / 60; 72 sec = s % 60; 73 74 hour = min / 60; 75 min = min % 60; 76 77 day = hour / 24; 78 hour = hour % 24; 79 80 p = buf; 81 if (day > 0) 82 p += sprintf(p, "%" PRIu32 "d", day); 83 if (hour > 0) 84 p += sprintf(p, "%" PRIu32 "h", hour); 85 if (min > 0) 86 p += sprintf(p, "%" PRIu32 "m", min); 87 88 if ((p == buf) || (sec > 0 && p > buf)) 89 sprintf(p, "%" PRIu32 "s", sec); 90 91 return (buf); 92 } 93