1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/epoll.h>
23 #include <sys/timerfd.h>
26 #include <dbus/dbus.h>
32 #include "dbus-unit.h"
34 #include "dbus-manager.h"
36 static void api_bus_dispatch_status(DBusConnection
*bus
, DBusDispatchStatus status
, void *data
) {
45 assert(m
->api_bus
== bus
);
47 m
->request_api_bus_dispatch
= status
!= DBUS_DISPATCH_COMPLETE
;
50 static void system_bus_dispatch_status(DBusConnection
*bus
, DBusDispatchStatus status
, void *data
) {
59 assert(m
->system_bus
== bus
);
61 m
->request_system_bus_dispatch
= status
!= DBUS_DISPATCH_COMPLETE
;
64 static uint32_t bus_flags_to_events(DBusWatch
*bus_watch
) {
70 /* no watch flags for disabled watches */
71 if (!dbus_watch_get_enabled(bus_watch
))
74 flags
= dbus_watch_get_flags(bus_watch
);
76 if (flags
& DBUS_WATCH_READABLE
)
78 if (flags
& DBUS_WATCH_WRITABLE
)
81 return events
| EPOLLHUP
| EPOLLERR
;
84 static unsigned events_to_bus_flags(uint32_t events
) {
88 flags
|= DBUS_WATCH_READABLE
;
89 if (events
& EPOLLOUT
)
90 flags
|= DBUS_WATCH_WRITABLE
;
91 if (events
& EPOLLHUP
)
92 flags
|= DBUS_WATCH_HANGUP
;
93 if (events
& EPOLLERR
)
94 flags
|= DBUS_WATCH_ERROR
;
99 void bus_watch_event(Manager
*m
, Watch
*w
, int events
) {
103 /* This is called by the event loop whenever there is
104 * something happening on D-Bus' file handles. */
106 if (!dbus_watch_get_enabled(w
->data
.bus_watch
))
109 dbus_watch_handle(w
->data
.bus_watch
, events_to_bus_flags(events
));
112 static dbus_bool_t
bus_add_watch(DBusWatch
*bus_watch
, void *data
) {
115 struct epoll_event ev
;
120 if (!(w
= new0(Watch
, 1)))
123 w
->fd
= dbus_watch_get_unix_fd(bus_watch
);
124 w
->type
= WATCH_DBUS_WATCH
;
125 w
->data
.bus_watch
= bus_watch
;
128 ev
.events
= bus_flags_to_events(bus_watch
);
131 if (epoll_ctl(m
->epoll_fd
, EPOLL_CTL_ADD
, w
->fd
, &ev
) < 0) {
133 if (errno
!= EEXIST
) {
138 /* Hmm, bloody D-Bus creates multiple watches on the
139 * same fd. epoll() does not like that. As a dirty
140 * hack we simply dup() the fd and hence get a second
141 * one we can safely add to the epoll(). */
143 if ((w
->fd
= dup(w
->fd
)) < 0) {
148 if (epoll_ctl(m
->epoll_fd
, EPOLL_CTL_ADD
, w
->fd
, &ev
) < 0) {
150 close_nointr_nofail(w
->fd
);
154 w
->fd_is_dupped
= true;
157 dbus_watch_set_data(bus_watch
, w
, NULL
);
162 static void bus_remove_watch(DBusWatch
*bus_watch
, void *data
) {
169 if (!(w
= dbus_watch_get_data(bus_watch
)))
172 assert(w
->type
== WATCH_DBUS_WATCH
);
173 assert_se(epoll_ctl(m
->epoll_fd
, EPOLL_CTL_DEL
, w
->fd
, NULL
) >= 0);
176 close_nointr_nofail(w
->fd
);
181 static void bus_toggle_watch(DBusWatch
*bus_watch
, void *data
) {
184 struct epoll_event ev
;
189 assert_se(w
= dbus_watch_get_data(bus_watch
));
190 assert(w
->type
== WATCH_DBUS_WATCH
);
193 ev
.events
= bus_flags_to_events(bus_watch
);
196 assert_se(epoll_ctl(m
->epoll_fd
, EPOLL_CTL_MOD
, w
->fd
, &ev
) == 0);
199 static int bus_timeout_arm(Manager
*m
, Watch
*w
) {
200 struct itimerspec its
;
207 if (dbus_timeout_get_enabled(w
->data
.bus_timeout
)) {
208 timespec_store(&its
.it_value
, dbus_timeout_get_interval(w
->data
.bus_timeout
) * USEC_PER_MSEC
);
209 its
.it_interval
= its
.it_interval
;
212 if (timerfd_settime(w
->fd
, 0, &its
, NULL
) < 0)
218 void bus_timeout_event(Manager
*m
, Watch
*w
, int events
) {
222 /* This is called by the event loop whenever there is
223 * something happening on D-Bus' file handles. */
225 if (!(dbus_timeout_get_enabled(w
->data
.bus_timeout
)))
228 dbus_timeout_handle(w
->data
.bus_timeout
);
231 static dbus_bool_t
bus_add_timeout(DBusTimeout
*timeout
, void *data
) {
234 struct epoll_event ev
;
239 if (!(w
= new0(Watch
, 1)))
242 if (!(w
->fd
= timerfd_create(CLOCK_MONOTONIC
, TFD_NONBLOCK
|TFD_CLOEXEC
)) < 0)
245 w
->type
= WATCH_DBUS_TIMEOUT
;
246 w
->data
.bus_timeout
= timeout
;
248 if (bus_timeout_arm(m
, w
) < 0)
255 if (epoll_ctl(m
->epoll_fd
, EPOLL_CTL_ADD
, w
->fd
, &ev
) < 0)
258 dbus_timeout_set_data(timeout
, w
, NULL
);
264 close_nointr_nofail(w
->fd
);
270 static void bus_remove_timeout(DBusTimeout
*timeout
, void *data
) {
277 if (!(w
= dbus_timeout_get_data(timeout
)))
280 assert(w
->type
== WATCH_DBUS_TIMEOUT
);
281 assert_se(epoll_ctl(m
->epoll_fd
, EPOLL_CTL_DEL
, w
->fd
, NULL
) >= 0);
282 close_nointr_nofail(w
->fd
);
286 static void bus_toggle_timeout(DBusTimeout
*timeout
, void *data
) {
294 assert_se(w
= dbus_timeout_get_data(timeout
));
295 assert(w
->type
== WATCH_DBUS_TIMEOUT
);
297 if ((r
= bus_timeout_arm(m
, w
)) < 0)
298 log_error("Failed to rearm timer: %s", strerror(-r
));
301 static DBusHandlerResult
api_bus_message_filter(DBusConnection
*connection
, DBusMessage
*message
, void *data
) {
309 dbus_error_init(&error
);
311 /* log_debug("Got D-Bus request: %s.%s() on %s", */
312 /* dbus_message_get_interface(message), */
313 /* dbus_message_get_member(message), */
314 /* dbus_message_get_path(message)); */
316 if (dbus_message_is_signal(message
, DBUS_INTERFACE_LOCAL
, "Disconnected")) {
317 log_error("Warning! API D-Bus connection terminated.");
320 } else if (dbus_message_is_signal(message
, DBUS_INTERFACE_DBUS
, "NameOwnerChanged")) {
321 const char *name
, *old_owner
, *new_owner
;
323 if (!dbus_message_get_args(message
, &error
,
324 DBUS_TYPE_STRING
, &name
,
325 DBUS_TYPE_STRING
, &old_owner
,
326 DBUS_TYPE_STRING
, &new_owner
,
328 log_error("Failed to parse NameOwnerChanged message: %s", error
.message
);
330 if (set_remove(m
->subscribed
, (char*) name
))
331 log_debug("Subscription client vanished: %s (left: %u)", name
, set_size(m
->subscribed
));
333 if (old_owner
[0] == 0)
336 if (new_owner
[0] == 0)
339 manager_dispatch_bus_name_owner_changed(m
, name
, old_owner
, new_owner
);
343 dbus_error_free(&error
);
344 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
347 static DBusHandlerResult
system_bus_message_filter(DBusConnection
*connection
, DBusMessage
*message
, void *data
) {
355 dbus_error_init(&error
);
357 /* log_debug("Got D-Bus request: %s.%s() on %s", */
358 /* dbus_message_get_interface(message), */
359 /* dbus_message_get_member(message), */
360 /* dbus_message_get_path(message)); */
362 if (dbus_message_is_signal(message
, DBUS_INTERFACE_LOCAL
, "Disconnected")) {
363 log_error("Warning! System D-Bus connection terminated.");
366 } if (dbus_message_is_signal(message
, "org.freedesktop.systemd1.Agent", "Released")) {
369 if (!dbus_message_get_args(message
, &error
,
370 DBUS_TYPE_STRING
, &cgroup
,
372 log_error("Failed to parse Released message: %s", error
.message
);
374 cgroup_notify_empty(m
, cgroup
);
377 dbus_error_free(&error
);
378 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
381 unsigned bus_dispatch(Manager
*m
) {
384 if (m
->request_api_bus_dispatch
) {
385 if (dbus_connection_dispatch(m
->api_bus
) == DBUS_DISPATCH_COMPLETE
)
386 m
->request_api_bus_dispatch
= false;
391 if (m
->request_system_bus_dispatch
) {
392 if (dbus_connection_dispatch(m
->system_bus
) == DBUS_DISPATCH_COMPLETE
)
393 m
->request_system_bus_dispatch
= false;
401 static void request_name_pending_cb(DBusPendingCall
*pending
, void *userdata
) {
405 dbus_error_init(&error
);
407 assert_se(reply
= dbus_pending_call_steal_reply(pending
));
409 switch (dbus_message_get_type(reply
)) {
411 case DBUS_MESSAGE_TYPE_ERROR
:
413 assert_se(dbus_set_error_from_message(&error
, reply
));
414 log_warning("RequestName() failed: %s", error
.message
);
417 case DBUS_MESSAGE_TYPE_METHOD_RETURN
: {
420 if (!dbus_message_get_args(reply
,
422 DBUS_TYPE_UINT32
, &r
,
423 DBUS_TYPE_INVALID
)) {
424 log_error("Failed to parse RequestName() reply: %s", error
.message
);
429 log_debug("Successfully acquired name.");
431 log_error("Name already owned.");
437 assert_not_reached("Invalid reply message");
440 dbus_message_unref(reply
);
441 dbus_error_free(&error
);
444 static int request_name(Manager
*m
) {
445 const char *name
= "org.freedesktop.systemd1";
447 DBusMessage
*message
= NULL
;
448 DBusPendingCall
*pending
= NULL
;
450 if (!(message
= dbus_message_new_method_call(
457 if (!dbus_message_append_args(
459 DBUS_TYPE_STRING
, &name
,
460 DBUS_TYPE_UINT32
, &flags
,
464 if (!dbus_connection_send_with_reply(m
->api_bus
, message
, &pending
, -1))
467 if (!dbus_pending_call_set_notify(pending
, request_name_pending_cb
, m
, NULL
))
470 dbus_message_unref(message
);
471 dbus_pending_call_unref(pending
);
473 /* We simple ask for the name and don't wait for it. Sooner or
474 * later we'll have it. */
480 dbus_pending_call_cancel(pending
);
481 dbus_pending_call_unref(pending
);
485 dbus_message_unref(message
);
490 static int bus_setup_loop(Manager
*m
, DBusConnection
*bus
) {
494 dbus_connection_set_exit_on_disconnect(bus
, FALSE
);
496 if (!dbus_connection_set_watch_functions(bus
, bus_add_watch
, bus_remove_watch
, bus_toggle_watch
, m
, NULL
) ||
497 !dbus_connection_set_timeout_functions(bus
, bus_add_timeout
, bus_remove_timeout
, bus_toggle_timeout
, m
, NULL
))
503 int bus_init_system(Manager
*m
) {
510 dbus_error_init(&error
);
515 if (m
->running_as
!= MANAGER_SESSION
&& m
->api_bus
)
516 m
->system_bus
= m
->api_bus
;
518 if (!(m
->system_bus
= dbus_bus_get_private(DBUS_BUS_SYSTEM
, &error
))) {
519 log_debug("Failed to get system D-Bus connection, retrying later: %s", error
.message
);
520 dbus_error_free(&error
);
524 dbus_connection_set_dispatch_status_function(m
->system_bus
, system_bus_dispatch_status
, m
, NULL
);
525 m
->request_system_bus_dispatch
= true;
527 if ((r
= bus_setup_loop(m
, m
->system_bus
)) < 0) {
533 if (!dbus_connection_add_filter(m
->system_bus
, system_bus_message_filter
, m
, NULL
)) {
538 dbus_bus_add_match(m
->system_bus
,
540 "interface='org.freedesktop.systemd1.Agent',"
541 "path='/org/freedesktop/systemd1/agent'",
544 if (dbus_error_is_set(&error
)) {
545 log_error("Failed to register match: %s", error
.message
);
546 dbus_error_free(&error
);
551 log_debug("Successfully connected to system D-Bus bus %s as %s",
552 strnull((id
= dbus_connection_get_server_id(m
->system_bus
))),
553 strnull(dbus_bus_get_unique_name(m
->system_bus
)));
559 int bus_init_api(Manager
*m
) {
566 dbus_error_init(&error
);
571 if (m
->name_data_slot
< 0)
572 if (!dbus_pending_call_allocate_data_slot(&m
->name_data_slot
))
575 if (m
->running_as
!= MANAGER_SESSION
&& m
->system_bus
)
576 m
->api_bus
= m
->system_bus
;
578 if (!(m
->api_bus
= dbus_bus_get_private(m
->running_as
== MANAGER_SESSION
? DBUS_BUS_SESSION
: DBUS_BUS_SYSTEM
, &error
))) {
579 log_debug("Failed to get API D-Bus connection, retrying later: %s", error
.message
);
580 dbus_error_free(&error
);
584 dbus_connection_set_dispatch_status_function(m
->api_bus
, api_bus_dispatch_status
, m
, NULL
);
585 m
->request_api_bus_dispatch
= true;
587 if ((r
= bus_setup_loop(m
, m
->api_bus
)) < 0) {
593 if (!dbus_connection_register_object_path(m
->api_bus
, "/org/freedesktop/systemd1", &bus_manager_vtable
, m
) ||
594 !dbus_connection_register_fallback(m
->api_bus
, "/org/freedesktop/systemd1/unit", &bus_unit_vtable
, m
) ||
595 !dbus_connection_register_fallback(m
->api_bus
, "/org/freedesktop/systemd1/job", &bus_job_vtable
, m
) ||
596 !dbus_connection_add_filter(m
->api_bus
, api_bus_message_filter
, m
, NULL
)) {
601 dbus_bus_add_match(m
->api_bus
,
603 "sender='"DBUS_SERVICE_DBUS
"',"
604 "interface='"DBUS_INTERFACE_DBUS
"',"
605 "path='"DBUS_PATH_DBUS
"'",
608 if (dbus_error_is_set(&error
)) {
609 log_error("Failed to register match: %s", error
.message
);
610 dbus_error_free(&error
);
615 if ((r
= request_name(m
)) < 0) {
620 log_debug("Successfully connected to API D-Bus bus %s as %s",
621 strnull((id
= dbus_connection_get_server_id(m
->api_bus
))),
622 strnull(dbus_bus_get_unique_name(m
->api_bus
)));
626 if (!(m
->subscribed
= set_new(string_hash_func
, string_compare_func
)))
632 void bus_done_api(Manager
*m
) {
636 if (m
->system_bus
== m
->api_bus
)
637 m
->system_bus
= NULL
;
639 dbus_connection_set_dispatch_status_function(m
->api_bus
, NULL
, NULL
, NULL
);
640 dbus_connection_close(m
->api_bus
);
641 dbus_connection_unref(m
->api_bus
);
648 while ((c
= set_steal_first(m
->subscribed
)))
651 set_free(m
->subscribed
);
652 m
->subscribed
= NULL
;
655 if (m
->name_data_slot
>= 0)
656 dbus_pending_call_free_data_slot(&m
->name_data_slot
);
659 void bus_done_system(Manager
*m
) {
662 if (m
->system_bus
== m
->api_bus
)
666 dbus_connection_set_dispatch_status_function(m
->system_bus
, NULL
, NULL
, NULL
);
667 dbus_connection_close(m
->system_bus
);
668 dbus_connection_unref(m
->system_bus
);
669 m
->system_bus
= NULL
;
673 static void query_pid_pending_cb(DBusPendingCall
*pending
, void *userdata
) {
674 Manager
*m
= userdata
;
679 dbus_error_init(&error
);
681 assert_se(name
= dbus_pending_call_get_data(pending
, m
->name_data_slot
));
682 assert_se(reply
= dbus_pending_call_steal_reply(pending
));
684 switch (dbus_message_get_type(reply
)) {
686 case DBUS_MESSAGE_TYPE_ERROR
:
688 assert_se(dbus_set_error_from_message(&error
, reply
));
689 log_warning("GetConnectionUnixProcessID() failed: %s", error
.message
);
692 case DBUS_MESSAGE_TYPE_METHOD_RETURN
: {
695 if (!dbus_message_get_args(reply
,
697 DBUS_TYPE_UINT32
, &r
,
698 DBUS_TYPE_INVALID
)) {
699 log_error("Failed to parse GetConnectionUnixProcessID() reply: %s", error
.message
);
703 manager_dispatch_bus_query_pid_done(m
, name
, (pid_t
) r
);
708 assert_not_reached("Invalid reply message");
711 dbus_message_unref(reply
);
712 dbus_error_free(&error
);
715 int bus_query_pid(Manager
*m
, const char *name
) {
716 DBusMessage
*message
= NULL
;
717 DBusPendingCall
*pending
= NULL
;
723 if (!(message
= dbus_message_new_method_call(
727 "GetConnectionUnixProcessID")))
730 if (!(dbus_message_append_args(
732 DBUS_TYPE_STRING
, &name
,
736 if (!dbus_connection_send_with_reply(m
->api_bus
, message
, &pending
, -1))
739 if (!(n
= strdup(name
)))
742 if (!dbus_pending_call_set_data(pending
, m
->name_data_slot
, n
, free
))
747 if (!dbus_pending_call_set_notify(pending
, query_pid_pending_cb
, m
, NULL
))
750 dbus_message_unref(message
);
751 dbus_pending_call_unref(pending
);
759 dbus_pending_call_cancel(pending
);
760 dbus_pending_call_unref(pending
);
764 dbus_message_unref(message
);
769 DBusHandlerResult
bus_default_message_handler(Manager
*m
, DBusMessage
*message
, const char*introspection
, const BusProperty
*properties
) {
771 DBusMessage
*reply
= NULL
;
777 dbus_error_init(&error
);
779 if (dbus_message_is_method_call(message
, "org.freedesktop.DBus.Introspectable", "Introspect") && introspection
) {
781 if (!(reply
= dbus_message_new_method_return(message
)))
784 if (!dbus_message_append_args(reply
, DBUS_TYPE_STRING
, &introspection
, DBUS_TYPE_INVALID
))
787 } else if (dbus_message_is_method_call(message
, "org.freedesktop.DBus.Properties", "Get") && properties
) {
788 const char *interface
, *property
;
789 const BusProperty
*p
;
791 if (!dbus_message_get_args(
794 DBUS_TYPE_STRING
, &interface
,
795 DBUS_TYPE_STRING
, &property
,
797 return bus_send_error_reply(m
, message
, &error
, -EINVAL
);
799 for (p
= properties
; p
->property
; p
++)
800 if (streq(p
->interface
, interface
) && streq(p
->property
, property
))
804 DBusMessageIter iter
, sub
;
806 if (!(reply
= dbus_message_new_method_return(message
)))
809 dbus_message_iter_init_append(reply
, &iter
);
811 if (!dbus_message_iter_open_container(&iter
, DBUS_TYPE_VARIANT
, p
->signature
, &sub
))
814 if ((r
= p
->append(m
, &sub
, property
, (void*) p
->data
)) < 0) {
819 dbus_message_unref(reply
);
820 return bus_send_error_reply(m
, message
, NULL
, r
);
823 if (!dbus_message_iter_close_container(&iter
, &sub
))
826 } else if (dbus_message_is_method_call(message
, "org.freedesktop.DBus.Properties", "GetAll") && properties
) {
827 const char *interface
;
828 const BusProperty
*p
;
829 DBusMessageIter iter
, sub
, sub2
, sub3
;
832 if (!dbus_message_get_args(
835 DBUS_TYPE_STRING
, &interface
,
837 return bus_send_error_reply(m
, message
, &error
, -EINVAL
);
839 if (!(reply
= dbus_message_new_method_return(message
)))
842 dbus_message_iter_init_append(reply
, &iter
);
844 if (!dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "{sv}", &sub
))
847 for (p
= properties
; p
->property
; p
++) {
848 if (!streq(p
->interface
, interface
))
851 if (!dbus_message_iter_open_container(&sub
, DBUS_TYPE_DICT_ENTRY
, NULL
, &sub2
) ||
852 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &p
->property
) ||
853 !dbus_message_iter_open_container(&sub2
, DBUS_TYPE_VARIANT
, p
->signature
, &sub3
))
856 if ((r
= p
->append(m
, &sub3
, p
->property
, (void*) p
->data
)) < 0) {
861 dbus_message_unref(reply
);
862 return bus_send_error_reply(m
, message
, NULL
, r
);
865 if (!dbus_message_iter_close_container(&sub2
, &sub3
) ||
866 !dbus_message_iter_close_container(&sub
, &sub2
))
872 if (!dbus_message_iter_close_container(&iter
, &sub
))
877 if (!dbus_connection_send(m
->api_bus
, reply
, NULL
))
880 dbus_message_unref(reply
);
881 return DBUS_HANDLER_RESULT_HANDLED
;
884 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
888 dbus_message_unref(reply
);
890 dbus_error_free(&error
);
892 return DBUS_HANDLER_RESULT_NEED_MEMORY
;
895 static const char *error_to_dbus(int error
) {
900 return DBUS_ERROR_INVALID_ARGS
;
903 return DBUS_ERROR_NO_MEMORY
;
907 return DBUS_ERROR_ACCESS_DENIED
;
910 return DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN
;
913 return DBUS_ERROR_FILE_NOT_FOUND
;
916 return DBUS_ERROR_FILE_EXISTS
;
919 return DBUS_ERROR_TIMEOUT
;
922 return DBUS_ERROR_IO_ERROR
;
927 return DBUS_ERROR_DISCONNECTED
;
930 return DBUS_ERROR_FAILED
;
933 DBusHandlerResult
bus_send_error_reply(Manager
*m
, DBusMessage
*message
, DBusError
*bus_error
, int error
) {
934 DBusMessage
*reply
= NULL
;
935 const char *name
, *text
;
937 if (bus_error
&& dbus_error_is_set(bus_error
)) {
938 name
= bus_error
->name
;
939 text
= bus_error
->message
;
941 name
= error_to_dbus(error
);
942 text
= strerror(-error
);
945 if (!(reply
= dbus_message_new_error(message
, name
, text
)))
948 if (!dbus_connection_send(m
->api_bus
, reply
, NULL
))
951 dbus_message_unref(reply
);
954 dbus_error_free(bus_error
);
956 return DBUS_HANDLER_RESULT_HANDLED
;
960 dbus_message_unref(reply
);
963 dbus_error_free(bus_error
);
965 return DBUS_HANDLER_RESULT_NEED_MEMORY
;
968 int bus_property_append_string(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
969 const char *t
= data
;
978 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_STRING
, &t
))
984 int bus_property_append_strv(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
992 if (!dbus_message_iter_open_container(i
, DBUS_TYPE_ARRAY
, "s", &sub
))
996 if (!dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, t
))
999 if (!dbus_message_iter_close_container(i
, &sub
))
1005 int bus_property_append_bool(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
1016 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_BOOLEAN
, &db
))
1022 int bus_property_append_uint64(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
1028 /* Let's ensure that pid_t is actually 64bit, and hence this
1029 * function can be used for usec_t */
1030 assert_cc(sizeof(uint64_t) == sizeof(usec_t
));
1032 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_UINT64
, data
))
1038 int bus_property_append_uint32(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
1044 /* Let's ensure that pid_t and mode_t is actually 32bit, and
1045 * hence this function can be used for pid_t/mode_t */
1046 assert_cc(sizeof(uint32_t) == sizeof(pid_t
));
1047 assert_cc(sizeof(uint32_t) == sizeof(mode_t
));
1048 assert_cc(sizeof(uint32_t) == sizeof(unsigned));
1050 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_UINT32
, data
))
1056 int bus_property_append_int32(Manager
*m
, DBusMessageIter
*i
, const char *property
, void *data
) {
1062 assert_cc(sizeof(int32_t) == sizeof(int));
1064 if (!dbus_message_iter_append_basic(i
, DBUS_TYPE_INT32
, data
))