static void print_status_info(const StatusInfo *i) {
char a[FORMAT_TIMESTAMP_MAX];
char b[FORMAT_TIMESTAMP_MAX];
char s[32];
struct tm tm;
time_t sec;
bool have_time = false;
_cleanup_free_ char *zc = NULL, *zn = NULL;
time_t t, tc, tn;
int dn = 0;
bool is_dstc = false, is_dstn = false;
int r;
assert(i);
/* Enforce the values of /etc/localtime */
if (getenv("TZ")) {
fprintf(stderr, "Warning: Ignoring the TZ variable. Reading the system's time zone setting only.\n\n");
unsetenv("TZ");
}
if (i->time != 0) {
sec = (time_t) (i->time / USEC_PER_SEC);
have_time = true;
} else if (arg_transport == BUS_TRANSPORT_LOCAL) {
sec = time(NULL);
have_time = true;
} else
fprintf(stderr, "Warning: Could not get time from timedated and not operating locally.\n\n");
if (have_time) {
zero(tm);
assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) > 0);
char_array_0(a);
printf(" Local time: %s\n", a);
zero(tm);
assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) > 0);
char_array_0(a);
printf(" Universal time: %s\n", a);
} else {
printf(" Local time: %s\n", "n/a");
printf(" Universal time: %s\n", "n/a");
}
if (i->rtc_time > 0) {
time_t rtc_sec;
rtc_sec = (time_t)(i->rtc_time / USEC_PER_SEC);
zero(tm);
assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)) > 0);
char_array_0(a);
printf(" RTC time: %s\n", a);
} else
printf(" RTC time: %s\n", "n/a");
if (have_time) {
zero(tm);
assert_se(strftime(a, sizeof(a), "%Z, %z", localtime_r(&sec, &tm)) > 0);
char_array_0(a);
}
printf(" Time zone: %s (%s)\n"
" NTP enabled: %s\n"
"NTP synchronized: %s\n"
" RTC in local TZ: %s\n",
strna(i->timezone), have_time ? a : "n/a",
i->ntp_capable ? yes_no(i->ntp_enabled) : "n/a",
yes_no(i->ntp_synced),
yes_no(i->rtc_local));
if (have_time) {
r = time_get_dst(sec, "/etc/localtime",
&tc, &zc, &is_dstc,
&tn, &dn, &zn, &is_dstn);
if (r < 0)
printf(" DST active: %s\n", "n/a");
else {
printf(" DST active: %s\n", yes_no(is_dstc));
t = tc - 1;
zero(tm);
assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
char_array_0(a);
zero(tm);
assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)) > 0);
char_array_0(b);
printf(" Last DST change: DST %s at\n"
" %s\n"
" %s\n",
is_dstc ? "began" : "ended", a, b);
t = tn - 1;
zero(tm);
assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
char_array_0(a);
zero(tm);
assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)) > 0);
char_array_0(b);
printf(" Next DST change: DST %s (the clock jumps %s) at\n"
" %s\n"
" %s\n",
is_dstn ? "begins" : "ends", jump_str(dn, s, sizeof(s)), a, b);
}
} else
printf(" DST active: %s\n", yes_no(is_dstc));
if (i->rtc_local)
fputs("\n" ANSI_HIGHLIGHT_ON
"Warning: The system is configured to read the RTC time in the local time zone. This\n"
" mode can not be fully supported. It will create various problems with time\n"
" zone changes and daylight saving time adjustments. The RTC time is never updated,\n"
" it relies on external facilities to maintain it. If at all possible, use\n"
" RTC in UTC by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout);
}
static void print_status_info(StatusInfo *i) {
usec_t n;
char a[FORMAT_TIMESTAMP_MAX];
char b[FORMAT_TIMESTAMP_MAX];
char s[32];
struct tm tm;
time_t sec;
char *zc, *zn;
time_t t, tc, tn;
int dn;
bool is_dstc, is_dstn;
int r;
assert(i);
/* enforce the values of /etc/localtime */
if (getenv("TZ")) {
fprintf(stderr, "Warning: ignoring the TZ variable, reading the system's timezone setting only.\n\n");
unsetenv("TZ");
}
n = now(CLOCK_REALTIME);
sec = (time_t) (n / USEC_PER_SEC);
zero(tm);
assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) > 0);
char_array_0(a);
printf(" Local time: %s\n", a);
zero(tm);
assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) > 0);
char_array_0(a);
printf(" Universal time: %s\n", a);
zero(tm);
r = hwclock_get_time(&tm);
if (r >= 0) {
/* Calculcate the week-day */
mktime(&tm);
assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S", &tm) > 0);
char_array_0(a);
printf(" RTC time: %s\n", a);
}
zero(tm);
assert_se(strftime(a, sizeof(a), "%z", localtime_r(&sec, &tm)) > 0);
char_array_0(a);
printf(" Timezone: %s\n"
" UTC offset: %s\n"
" NTP enabled: %s\n"
"NTP synchronized: %s\n"
" RTC in local TZ: %s\n",
strna(i->timezone),
a,
yes_no(i->ntp),
yes_no(ntp_synced()),
yes_no(i->local_rtc));
r = time_get_dst(sec, "/etc/localtime",
&tc, &zc, &is_dstc,
&tn, &dn, &zn, &is_dstn);
if (r < 0)
printf(" DST active: n/a\n");
else {
printf(" DST active: %s\n", yes_no(is_dstc));
t = tc - 1;
zero(tm);
assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
char_array_0(a);
zero(tm);
assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)) > 0);
char_array_0(b);
printf(" Last DST change: %s → %s, DST became %s\n"
" %s\n"
" %s\n",
strna(zn), strna(zc), is_dstc ? "active" : "inactive", a, b);
t = tn - 1;
zero(tm);
assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
char_array_0(a);
zero(tm);
assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)) > 0);
char_array_0(b);
printf(" Next DST change: %s → %s, DST will become %s\n"
" the clock will jump %s\n"
" %s\n"
" %s\n",
strna(zc), strna(zn), is_dstn ? "active" : "inactive", jump_str(dn, s, sizeof(s)), a, b);
free(zc);
free(zn);
}
if (i->local_rtc)
fputs("\n" ANSI_HIGHLIGHT_ON
"Warning: The RTC is configured to maintain time in the local time zone. This\n"
" mode is not fully supported and will create various problems with time\n"
" zone changes and daylight saving adjustments. If at all possible use\n"
" RTC in UTC, by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout);
}
