mirror of
https://github.com/AuxXxilium/eudev.git
synced 2024-12-25 21:25:59 +07:00
726 lines
21 KiB
C
726 lines
21 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
|
|
|
|
/***
|
|
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 General Public License as published by
|
|
the Free Software Foundation; either version 2 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
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <dbus/dbus.h>
|
|
|
|
#include <sys/epoll.h>
|
|
#include <sys/timerfd.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "dbus.h"
|
|
#include "log.h"
|
|
#include "strv.h"
|
|
|
|
static void bus_dispatch_status(DBusConnection *bus, DBusDispatchStatus status, void *data) {
|
|
Manager *m = data;
|
|
|
|
assert(bus);
|
|
assert(m);
|
|
|
|
m->request_bus_dispatch = status != DBUS_DISPATCH_COMPLETE;
|
|
}
|
|
|
|
static uint32_t bus_flags_to_events(DBusWatch *bus_watch) {
|
|
unsigned flags;
|
|
uint32_t events = 0;
|
|
|
|
assert(bus_watch);
|
|
|
|
/* no watch flags for disabled watches */
|
|
if (!dbus_watch_get_enabled(bus_watch))
|
|
return 0;
|
|
|
|
flags = dbus_watch_get_flags(bus_watch);
|
|
|
|
if (flags & DBUS_WATCH_READABLE)
|
|
events |= EPOLLIN;
|
|
if (flags & DBUS_WATCH_WRITABLE)
|
|
events |= EPOLLOUT;
|
|
|
|
return events | EPOLLHUP | EPOLLERR;
|
|
}
|
|
|
|
static unsigned events_to_bus_flags(uint32_t events) {
|
|
unsigned flags = 0;
|
|
|
|
if (events & EPOLLIN)
|
|
flags |= DBUS_WATCH_READABLE;
|
|
if (events & EPOLLOUT)
|
|
flags |= DBUS_WATCH_WRITABLE;
|
|
if (events & EPOLLHUP)
|
|
flags |= DBUS_WATCH_HANGUP;
|
|
if (events & EPOLLERR)
|
|
flags |= DBUS_WATCH_ERROR;
|
|
|
|
return flags;
|
|
}
|
|
|
|
void bus_watch_event(Manager *m, Watch *w, int events) {
|
|
assert(m);
|
|
assert(w);
|
|
|
|
/* This is called by the event loop whenever there is
|
|
* something happening on D-Bus' file handles. */
|
|
|
|
if (!(dbus_watch_get_enabled(w->data.bus_watch)))
|
|
return;
|
|
|
|
dbus_watch_handle(w->data.bus_watch, events_to_bus_flags(events));
|
|
}
|
|
|
|
static dbus_bool_t bus_add_watch(DBusWatch *bus_watch, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
struct epoll_event ev;
|
|
|
|
assert(bus_watch);
|
|
assert(m);
|
|
|
|
if (!(w = new0(Watch, 1)))
|
|
return FALSE;
|
|
|
|
w->fd = dbus_watch_get_unix_fd(bus_watch);
|
|
w->type = WATCH_DBUS_WATCH;
|
|
w->data.bus_watch = bus_watch;
|
|
|
|
zero(ev);
|
|
ev.events = bus_flags_to_events(bus_watch);
|
|
ev.data.ptr = w;
|
|
|
|
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, w->fd, &ev) < 0) {
|
|
|
|
if (errno != EEXIST) {
|
|
free(w);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Hmm, bloody D-Bus creates multiple watches on the
|
|
* same fd. epoll() does not like that. As a dirty
|
|
* hack we simply dup() the fd and hence get a second
|
|
* one we can safely add to the epoll(). */
|
|
|
|
if ((w->fd = dup(w->fd)) < 0) {
|
|
free(w);
|
|
return FALSE;
|
|
}
|
|
|
|
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, w->fd, &ev) < 0) {
|
|
free(w);
|
|
close_nointr_nofail(w->fd);
|
|
return FALSE;
|
|
}
|
|
|
|
w->fd_is_dupped = true;
|
|
}
|
|
|
|
dbus_watch_set_data(bus_watch, w, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void bus_remove_watch(DBusWatch *bus_watch, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
|
|
assert(bus_watch);
|
|
assert(m);
|
|
|
|
if (!(w = dbus_watch_get_data(bus_watch)))
|
|
return;
|
|
|
|
assert(w->type == WATCH_DBUS_WATCH);
|
|
assert_se(epoll_ctl(m->epoll_fd, EPOLL_CTL_DEL, w->fd, NULL) >= 0);
|
|
|
|
if (w->fd_is_dupped)
|
|
close_nointr_nofail(w->fd);
|
|
|
|
free(w);
|
|
}
|
|
|
|
static void bus_toggle_watch(DBusWatch *bus_watch, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
struct epoll_event ev;
|
|
|
|
assert(bus_watch);
|
|
assert(m);
|
|
|
|
assert_se(w = dbus_watch_get_data(bus_watch));
|
|
assert(w->type == WATCH_DBUS_WATCH);
|
|
|
|
zero(ev);
|
|
ev.events = bus_flags_to_events(bus_watch);
|
|
ev.data.ptr = w;
|
|
|
|
assert_se(epoll_ctl(m->epoll_fd, EPOLL_CTL_MOD, w->fd, &ev) == 0);
|
|
}
|
|
|
|
static int bus_timeout_arm(Manager *m, Watch *w) {
|
|
struct itimerspec its;
|
|
|
|
assert(m);
|
|
assert(w);
|
|
|
|
zero(its);
|
|
|
|
if (dbus_timeout_get_enabled(w->data.bus_timeout)) {
|
|
timespec_store(&its.it_value, dbus_timeout_get_interval(w->data.bus_timeout) * USEC_PER_MSEC);
|
|
its.it_interval = its.it_interval;
|
|
}
|
|
|
|
if (timerfd_settime(w->fd, 0, &its, NULL) < 0)
|
|
return -errno;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bus_timeout_event(Manager *m, Watch *w, int events) {
|
|
assert(m);
|
|
assert(w);
|
|
|
|
/* This is called by the event loop whenever there is
|
|
* something happening on D-Bus' file handles. */
|
|
|
|
if (!(dbus_timeout_get_enabled(w->data.bus_timeout)))
|
|
return;
|
|
|
|
dbus_timeout_handle(w->data.bus_timeout);
|
|
}
|
|
|
|
static dbus_bool_t bus_add_timeout(DBusTimeout *timeout, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
struct epoll_event ev;
|
|
|
|
assert(timeout);
|
|
assert(m);
|
|
|
|
if (!(w = new0(Watch, 1)))
|
|
return FALSE;
|
|
|
|
if (!(w->fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC)) < 0)
|
|
goto fail;
|
|
|
|
w->type = WATCH_DBUS_TIMEOUT;
|
|
w->data.bus_timeout = timeout;
|
|
|
|
if (bus_timeout_arm(m, w) < 0)
|
|
goto fail;
|
|
|
|
zero(ev);
|
|
ev.events = EPOLLIN;
|
|
ev.data.ptr = w;
|
|
|
|
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, w->fd, &ev) < 0)
|
|
goto fail;
|
|
|
|
dbus_timeout_set_data(timeout, w, NULL);
|
|
|
|
return TRUE;
|
|
|
|
fail:
|
|
if (w->fd >= 0)
|
|
close_nointr_nofail(w->fd);
|
|
|
|
free(w);
|
|
return FALSE;
|
|
}
|
|
|
|
static void bus_remove_timeout(DBusTimeout *timeout, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
|
|
assert(timeout);
|
|
assert(m);
|
|
|
|
if (!(w = dbus_timeout_get_data(timeout)))
|
|
return;
|
|
|
|
assert(w->type == WATCH_DBUS_TIMEOUT);
|
|
assert_se(epoll_ctl(m->epoll_fd, EPOLL_CTL_DEL, w->fd, NULL) >= 0);
|
|
close_nointr_nofail(w->fd);
|
|
free(w);
|
|
}
|
|
|
|
static void bus_toggle_timeout(DBusTimeout *timeout, void *data) {
|
|
Manager *m = data;
|
|
Watch *w;
|
|
int r;
|
|
|
|
assert(timeout);
|
|
assert(m);
|
|
|
|
assert_se(w = dbus_timeout_get_data(timeout));
|
|
assert(w->type == WATCH_DBUS_TIMEOUT);
|
|
|
|
if ((r = bus_timeout_arm(m, w)) < 0)
|
|
log_error("Failed to rearm timer: %s", strerror(-r));
|
|
}
|
|
|
|
static DBusHandlerResult bus_message_filter(DBusConnection *connection, DBusMessage *message, void *data) {
|
|
Manager *m = data;
|
|
DBusError error;
|
|
|
|
assert(connection);
|
|
assert(message);
|
|
assert(m);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
/* log_debug("Got D-Bus request: %s.%s() on %s", */
|
|
/* dbus_message_get_interface(message), */
|
|
/* dbus_message_get_member(message), */
|
|
/* dbus_message_get_path(message)); */
|
|
|
|
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
|
|
log_error("Warning! D-Bus connection terminated.");
|
|
|
|
/* FIXME: we probably should restart D-Bus here */
|
|
|
|
} else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
|
|
const char *name, *old, *new;
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &old,
|
|
DBUS_TYPE_STRING, &new,
|
|
DBUS_TYPE_INVALID))
|
|
log_error("Failed to parse NameOwnerChanged message: %s", error.message);
|
|
else {
|
|
if (set_remove(m->subscribed, (char*) name))
|
|
log_debug("Subscription client vanished: %s (left: %u)", name, set_size(m->subscribed));
|
|
}
|
|
}
|
|
|
|
dbus_error_free(&error);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
unsigned bus_dispatch(Manager *m) {
|
|
assert(m);
|
|
|
|
if (!m->request_bus_dispatch)
|
|
return 0;
|
|
|
|
if (dbus_connection_dispatch(m->bus) == DBUS_DISPATCH_COMPLETE)
|
|
m->request_bus_dispatch = false;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int request_name(Manager *m) {
|
|
DBusMessage *message;
|
|
const char *name = "org.freedesktop.systemd1";
|
|
uint32_t flags = 0;
|
|
|
|
if (!(message = dbus_message_new_method_call(
|
|
DBUS_SERVICE_DBUS,
|
|
DBUS_PATH_DBUS,
|
|
DBUS_INTERFACE_DBUS,
|
|
"RequestName")))
|
|
return -ENOMEM;
|
|
|
|
if (!dbus_message_append_args(
|
|
message,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID)) {
|
|
dbus_message_unref(message);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (!dbus_connection_send(m->bus, message, NULL)) {
|
|
dbus_message_unref(message);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* We simple ask for the name and don't wait for it. Sooner or
|
|
* later we'll have it, and we wouldn't know what to do on
|
|
* error anyway. */
|
|
|
|
dbus_message_unref(message);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_init(Manager *m) {
|
|
DBusError error;
|
|
char *id;
|
|
int r;
|
|
|
|
assert(m);
|
|
|
|
if (m->bus)
|
|
return 0;
|
|
|
|
if (!(m->subscribed = set_new(string_hash_func, string_compare_func)))
|
|
return -ENOMEM;
|
|
|
|
dbus_connection_set_change_sigpipe(FALSE);
|
|
|
|
dbus_error_init(&error);
|
|
if (!(m->bus = dbus_bus_get_private(m->running_as == MANAGER_SESSION ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error))) {
|
|
log_error("Failed to get D-Bus connection: %s", error.message);
|
|
dbus_error_free(&error);
|
|
return -ECONNREFUSED;
|
|
}
|
|
|
|
dbus_connection_set_exit_on_disconnect(m->bus, FALSE);
|
|
dbus_connection_set_dispatch_status_function(m->bus, bus_dispatch_status, m, NULL);
|
|
if (!dbus_connection_set_watch_functions(m->bus, bus_add_watch, bus_remove_watch, bus_toggle_watch, m, NULL) ||
|
|
!dbus_connection_set_timeout_functions(m->bus, bus_add_timeout, bus_remove_timeout, bus_toggle_timeout, m, NULL) ||
|
|
!dbus_connection_register_object_path(m->bus, "/org/freedesktop/systemd1", &bus_manager_vtable, m) ||
|
|
!dbus_connection_register_fallback(m->bus, "/org/freedesktop/systemd1/unit", &bus_unit_vtable, m) ||
|
|
!dbus_connection_register_fallback(m->bus, "/org/freedesktop/systemd1/job", &bus_job_vtable, m) ||
|
|
!dbus_connection_add_filter(m->bus, bus_message_filter, m, NULL)) {
|
|
bus_done(m);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dbus_bus_add_match(m->bus,
|
|
"type='signal',"
|
|
"sender='"DBUS_SERVICE_DBUS"',"
|
|
"interface='"DBUS_INTERFACE_DBUS"',"
|
|
"path='"DBUS_PATH_DBUS"'",
|
|
&error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
log_error("Failed to register match: %s", error.message);
|
|
dbus_error_free(&error);
|
|
bus_done(m);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if ((r = request_name(m)) < 0) {
|
|
bus_done(m);
|
|
return r;
|
|
}
|
|
|
|
log_debug("Successfully connected to D-Bus bus %s as %s",
|
|
strnull((id = dbus_connection_get_server_id(m->bus))),
|
|
strnull(dbus_bus_get_unique_name(m->bus)));
|
|
dbus_free(id);
|
|
|
|
m->request_bus_dispatch = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bus_done(Manager *m) {
|
|
assert(m);
|
|
|
|
if (m->bus) {
|
|
dbus_connection_close(m->bus);
|
|
dbus_connection_unref(m->bus);
|
|
m->bus = NULL;
|
|
}
|
|
|
|
if (m->subscribed) {
|
|
char *c;
|
|
|
|
while ((c = set_steal_first(m->subscribed)))
|
|
free(c);
|
|
|
|
set_free(m->subscribed);
|
|
m->subscribed = NULL;
|
|
}
|
|
}
|
|
|
|
DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message, const char*introspection, const BusProperty *properties) {
|
|
DBusError error;
|
|
DBusMessage *reply = NULL;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(message);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect") && introspection) {
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Properties", "Get") && properties) {
|
|
const char *interface, *property;
|
|
const BusProperty *p;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &interface,
|
|
DBUS_TYPE_STRING, &property,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(m, message, &error, -EINVAL);
|
|
|
|
for (p = properties; p->property; p++)
|
|
if (streq(p->interface, interface) && streq(p->property, property))
|
|
break;
|
|
|
|
if (p->property) {
|
|
DBusMessageIter iter, sub;
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, p->signature, &sub))
|
|
goto oom;
|
|
|
|
if ((r = p->append(m, &sub, property, p->data)) < 0) {
|
|
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
return bus_send_error_reply(m, message, NULL, r);
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
}
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Properties", "GetAll") && properties) {
|
|
const char *interface;
|
|
const BusProperty *p;
|
|
DBusMessageIter iter, sub, sub2, sub3;
|
|
bool any = false;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &interface,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(m, message, &error, -EINVAL);
|
|
|
|
if (!(reply = dbus_message_new_method_return(message)))
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub))
|
|
goto oom;
|
|
|
|
for (p = properties; p->property; p++) {
|
|
if (!streq(p->interface, interface))
|
|
continue;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_DICT_ENTRY, NULL, &sub2) ||
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &p->property) ||
|
|
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, p->signature, &sub3))
|
|
goto oom;
|
|
|
|
if ((r = p->append(m, &sub3, p->property, p->data)) < 0) {
|
|
|
|
if (r == -ENOMEM)
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
return bus_send_error_reply(m, message, NULL, r);
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&sub2, &sub3) ||
|
|
!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
|
|
any = true;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
}
|
|
|
|
if (reply) {
|
|
if (!dbus_connection_send(m->bus, reply, NULL))
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
|
|
oom:
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
}
|
|
|
|
|
|
|
|
static const char *error_to_dbus(int error) {
|
|
|
|
switch(error) {
|
|
|
|
case -EINVAL:
|
|
return DBUS_ERROR_INVALID_ARGS;
|
|
|
|
case -ENOMEM:
|
|
return DBUS_ERROR_NO_MEMORY;
|
|
|
|
case -EPERM:
|
|
case -EACCES:
|
|
return DBUS_ERROR_ACCESS_DENIED;
|
|
|
|
case -ESRCH:
|
|
return DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN;
|
|
|
|
case -ENOENT:
|
|
return DBUS_ERROR_FILE_NOT_FOUND;
|
|
|
|
case -EEXIST:
|
|
return DBUS_ERROR_FILE_EXISTS;
|
|
|
|
case -ETIMEDOUT:
|
|
return DBUS_ERROR_TIMEOUT;
|
|
|
|
case -EIO:
|
|
return DBUS_ERROR_IO_ERROR;
|
|
|
|
case -ENETRESET:
|
|
case -ECONNABORTED:
|
|
case -ECONNRESET:
|
|
return DBUS_ERROR_DISCONNECTED;
|
|
}
|
|
|
|
return DBUS_ERROR_FAILED;
|
|
}
|
|
|
|
DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusError *bus_error, int error) {
|
|
DBusMessage *reply = NULL;
|
|
const char *name, *text;
|
|
|
|
if (bus_error && dbus_error_is_set(bus_error)) {
|
|
name = bus_error->name;
|
|
text = bus_error->message;
|
|
} else {
|
|
name = error_to_dbus(error);
|
|
text = strerror(-error);
|
|
}
|
|
|
|
if (!(reply = dbus_message_new_error(message, name, text)))
|
|
goto oom;
|
|
|
|
if (!dbus_connection_send(m->bus, reply, NULL))
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
|
|
if (bus_error)
|
|
dbus_error_free(bus_error);
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
oom:
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
if (bus_error)
|
|
dbus_error_free(bus_error);
|
|
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
}
|
|
|
|
int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data) {
|
|
const char *t = data;
|
|
|
|
assert(m);
|
|
assert(i);
|
|
assert(property);
|
|
|
|
if (!t)
|
|
t = "";
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data) {
|
|
DBusMessageIter sub;
|
|
char **t = data;
|
|
|
|
assert(m);
|
|
assert(i);
|
|
assert(property);
|
|
|
|
if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "s", &sub))
|
|
return -ENOMEM;
|
|
|
|
STRV_FOREACH(t, t)
|
|
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t))
|
|
return -ENOMEM;
|
|
|
|
if (!dbus_message_iter_close_container(i, &sub))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *property, void *data) {
|
|
bool *b = data;
|
|
dbus_bool_t db;
|
|
|
|
assert(m);
|
|
assert(i);
|
|
assert(property);
|
|
assert(b);
|
|
|
|
db = *b;
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &db))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data) {
|
|
assert(m);
|
|
assert(i);
|
|
assert(property);
|
|
assert(data);
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, data))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data) {
|
|
assert(m);
|
|
assert(i);
|
|
assert(property);
|
|
assert(data);
|
|
|
|
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, data))
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|