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/*
* PIM for Quagga
* Copyright (C) 2008 Everton da Silva Marques
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include "log.h"
#include "thread.h"
#include "lib_errors.h"
#include "pim_time.h"
static int gettime_monotonic(struct timeval *tv)
{
int result;
result = gettimeofday(tv, 0);
if (result) {
flog_err_sys(EC_LIB_SYSTEM_CALL,
"%s: gettimeofday() failure: errno=%d: %s",
__PRETTY_FUNCTION__, errno, safe_strerror(errno));
}
return result;
}
/*
pim_time_monotonic_sec():
number of seconds since some unspecified starting point
*/
int64_t pim_time_monotonic_sec(void)
{
struct timeval now_tv;
if (gettime_monotonic(&now_tv)) {
flog_err_sys(EC_LIB_SYSTEM_CALL,
"%s: gettime_monotonic() failure: errno=%d: %s",
__PRETTY_FUNCTION__, errno, safe_strerror(errno));
return -1;
}
return now_tv.tv_sec;
}
/*
pim_time_monotonic_dsec():
number of deciseconds since some unspecified starting point
*/
int64_t pim_time_monotonic_dsec(void)
{
struct timeval now_tv;
int64_t now_dsec;
if (gettime_monotonic(&now_tv)) {
flog_err_sys(EC_LIB_SYSTEM_CALL,
"%s: gettime_monotonic() failure: errno=%d: %s",
__PRETTY_FUNCTION__, errno, safe_strerror(errno));
return -1;
}
now_dsec = ((int64_t)now_tv.tv_sec) * 10
+ ((int64_t)now_tv.tv_usec) / 100000;
return now_dsec;
}
int64_t pim_time_monotonic_usec(void)
{
struct timeval now_tv;
int64_t now_dsec;
if (gettime_monotonic(&now_tv)) {
flog_err_sys(EC_LIB_SYSTEM_CALL,
"%s: gettime_monotonic() failure: errno=%d: %s",
__PRETTY_FUNCTION__, errno, safe_strerror(errno));
return -1;
}
now_dsec =
((int64_t)now_tv.tv_sec) * 1000000 + ((int64_t)now_tv.tv_usec);
return now_dsec;
}
int pim_time_mmss(char *buf, int buf_size, long sec)
{
long mm;
int wr;
zassert(buf_size >= 5);
mm = sec / 60;
sec %= 60;
wr = snprintf(buf, buf_size, "%02ld:%02ld", mm, sec);
return wr != 8;
}
static int pim_time_hhmmss(char *buf, int buf_size, long sec)
{
long hh;
long mm;
int wr;
zassert(buf_size >= 8);
hh = sec / 3600;
sec %= 3600;
mm = sec / 60;
sec %= 60;
wr = snprintf(buf, buf_size, "%02ld:%02ld:%02ld", hh, mm, sec);
return wr != 8;
}
void pim_time_timer_to_mmss(char *buf, int buf_size, struct thread *t_timer)
{
if (t_timer) {
pim_time_mmss(buf, buf_size,
thread_timer_remain_second(t_timer));
} else {
snprintf(buf, buf_size, "--:--");
}
}
void pim_time_timer_to_hhmmss(char *buf, int buf_size, struct thread *t_timer)
{
if (t_timer) {
pim_time_hhmmss(buf, buf_size,
thread_timer_remain_second(t_timer));
} else {
snprintf(buf, buf_size, "--:--:--");
}
}
void pim_time_uptime(char *buf, int buf_size, int64_t uptime_sec)
{
zassert(buf_size >= 8);
pim_time_hhmmss(buf, buf_size, uptime_sec);
}
void pim_time_uptime_begin(char *buf, int buf_size, int64_t now, int64_t begin)
{
if (begin > 0)
pim_time_uptime(buf, buf_size, now - begin);
else
snprintf(buf, buf_size, "--:--:--");
}
long pim_time_timer_remain_msec(struct thread *t_timer)
{
/* FIXME: Actually fetch msec resolution from thread */
/* no timer thread running means timer has expired: return 0 */
return t_timer ? 1000 * thread_timer_remain_second(t_timer) : 0;
}
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