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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <errno.h>
#include "dbus-unit.h"
#include "dbus-timer.h"
#include "dbus-execute.h"
#include "dbus-common.h"
#include "selinux-access.h"
#define BUS_TIMER_INTERFACE \
" <interface name=\"org.freedesktop.systemd1.Timer\">\n" \
" <property name=\"Unit\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"TimersMonotonic\" type=\"a(stt)\" access=\"read\"/>\n" \
" <property name=\"TimersCalendar\" type=\"a(sst)\" access=\"read\"/>\n" \
" <property name=\"NextElapseUSecRealtime\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"NextElapseUSecMonotonic\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
BUS_UNIT_INTERFACE \
BUS_TIMER_INTERFACE \
BUS_PROPERTIES_INTERFACE \
BUS_PEER_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_UNIT_INTERFACES_LIST \
"org.freedesktop.systemd1.Timer\0"
const char bus_timer_interface[] _introspect_("Timer") = BUS_TIMER_INTERFACE;
const char bus_timer_invalidating_properties[] =
"TimersMonotonic\0"
"TimersRealtime\0"
"NextElapseUSecRealtime\0"
"NextElapseUSecMonotonic\0"
"Result\0";
static int bus_timer_append_monotonic_timers(DBusMessageIter *i, const char *property, void *data) {
Timer *p = data;
DBusMessageIter sub, sub2;
TimerValue *k;
assert(i);
assert(property);
assert(p);
if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(stt)", &sub))
return -ENOMEM;
LIST_FOREACH(value, k, p->values) {
_cleanup_free_ char *buf = NULL;
const char *t;
size_t l;
bool b;
if (k->base == TIMER_CALENDAR)
continue;
t = timer_base_to_string(k->base);
assert(endswith(t, "Sec"));
/* s/Sec/USec/ */
l = strlen(t);
buf = new(char, l+2);
if (!buf)
return -ENOMEM;
memcpy(buf, t, l-3);
memcpy(buf+l-3, "USec", 5);
b = dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &buf) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &k->value) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &k->next_elapse) &&
dbus_message_iter_close_container(&sub, &sub2);
if (!b)
return -ENOMEM;
}
if (!dbus_message_iter_close_container(i, &sub))
return -ENOMEM;
return 0;
}
static int bus_timer_append_calendar_timers(DBusMessageIter *i, const char *property, void *data) {
Timer *p = data;
DBusMessageIter sub, sub2;
TimerValue *k;
assert(i);
assert(property);
assert(p);
if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sst)", &sub))
return -ENOMEM;
LIST_FOREACH(value, k, p->values) {
_cleanup_free_ char *buf = NULL;
const char *t;
bool b;
int j;
if (k->base != TIMER_CALENDAR)
continue;
t = timer_base_to_string(k->base);
j = calendar_spec_to_string(k->calendar_spec, &buf);
if (j < 0)
return j;
b = dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &t) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &buf) &&
dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &k->next_elapse) &&
dbus_message_iter_close_container(&sub, &sub2);
if (!b)
return -ENOMEM;
}
if (!dbus_message_iter_close_container(i, &sub))
return -ENOMEM;
return 0;
}
static int bus_timer_append_unit(DBusMessageIter *i, const char *property, void *data) {
Unit *u = data, *trigger;
const char *t;
assert(i);
assert(property);
assert(u);
trigger = UNIT_TRIGGER(u);
t = trigger ? trigger->id : "";
return dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t) ? 0 : -ENOMEM;
}
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_timer_append_timer_result, timer_result, TimerResult);
static const BusProperty bus_timer_properties[] = {
{ "Unit", bus_timer_append_unit, "s", 0 },
{ "TimersMonotonic", bus_timer_append_monotonic_timers, "a(stt)", 0 },
{ "TimersCalendar", bus_timer_append_calendar_timers, "a(sst)", 0 },
{ "NextElapseUSecMonotonic", bus_property_append_usec, "t", offsetof(Timer, next_elapse_monotonic) },
{ "NextElapseUSecRealtime", bus_property_append_usec, "t", offsetof(Timer, next_elapse_realtime) },
{ "Result", bus_timer_append_timer_result, "s", offsetof(Timer, result) },
{ NULL, }
};
DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Timer *t = TIMER(u);
const BusBoundProperties bps[] = {
{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
{ "org.freedesktop.systemd1.Timer", bus_timer_properties, t },
{ NULL, }
};
SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
}
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