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timedated: add CanNTP property

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If we can't successfully query any ntpd units, set CanNTP to false.

GNOME wants to use this to grey out the NTP switch in the UI.

https://bugs.freedesktop.org/show_bug.cgi?id=61816
This commit is contained in:
Ryan Lortie 2013-03-04 16:35:02 -05:00 committed by Lennart Poettering
parent da61d6b2f2
commit 6ffe5e37c4
1 changed files with 20 additions and 0 deletions
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20
src/timedate/timedated.c
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@ -45,6 +45,7 @@
" <interface name=\"org.freedesktop.timedate1\">\n" \
" <property name=\"Timezone\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"LocalRTC\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"CanNTP\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"NTP\" type=\"b\" access=\"read\"/>\n" \
" <method name=\"SetTime\">\n" \
" <arg name=\"usec_utc\" type=\"x\" direction=\"in\"/>\n" \
@ -84,10 +85,12 @@ const char timedate_interface[] _introspect_("timedate1") = INTERFACE;
typedef struct TZ {
char *zone;
bool local_rtc;
int can_ntp;
int use_ntp;
} TZ;
static TZ tz = {
.can_ntp = -1,
.use_ntp = -1,
};
@ -387,6 +390,7 @@ static int read_ntp(DBusConnection *bus) {
goto finish;
}
tz.can_ntp = 1;
tz.use_ntp =
streq(s, "enabled") ||
streq(s, "enabled-runtime");
@ -395,6 +399,7 @@ static int read_ntp(DBusConnection *bus) {
}
/* NTP is not installed. */
tz.can_ntp = 0;
tz.use_ntp = 0;
r = 0;
@ -588,6 +593,20 @@ finish:
return r;
}
static int property_append_can_ntp(DBusMessageIter *i, const char *property, void *data) {
dbus_bool_t db;
assert(i);
assert(property);
db = tz.can_ntp > 0;
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &db))
return -ENOMEM;
return 0;
}
static int property_append_ntp(DBusMessageIter *i, const char *property, void *data) {
dbus_bool_t db;
@ -605,6 +624,7 @@ static int property_append_ntp(DBusMessageIter *i, const char *property, void *d
static const BusProperty bus_timedate_properties[] = {
{ "Timezone", bus_property_append_string, "s", offsetof(TZ, zone), true },
{ "LocalRTC", bus_property_append_bool, "b", offsetof(TZ, local_rtc) },
{ "CanNTP", property_append_can_ntp, "b", offsetof(TZ, can_ntp) },
{ "NTP", property_append_ntp, "b", offsetof(TZ, use_ntp) },
{ NULL, }
};