Copyright 2011 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
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
" <property name=\"Id\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"ActiveSession\" type=\"so\" access=\"read\"/>\n" \
" <property name=\"CanMultiSession\" type=\"b\" access=\"read\"/>\n" \
+ " <property name=\"CanTTY\" type=\"b\" access=\"read\"/>\n" \
+ " <property name=\"CanGraphical\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \
" <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
DBusMessageIter sub;
Seat *s = data;
const char *id, *path;
- char *p = NULL;
+ _cleanup_free_ char *p = NULL;
assert(i);
assert(property);
}
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) ||
- !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) {
- free(p);
+ !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path))
return -ENOMEM;
- }
-
- free(p);
if (!dbus_message_iter_close_container(i, &sub))
return -ENOMEM;
return -ENOMEM;
LIST_FOREACH(sessions_by_seat, session, s->sessions) {
- char *p;
+ _cleanup_free_ char *p = NULL;
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
return -ENOMEM;
return -ENOMEM;
if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
- free(p);
+ !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p))
return -ENOMEM;
- }
-
- free(p);
if (!dbus_message_iter_close_container(&sub, &sub2))
return -ENOMEM;
return 0;
}
-static int bus_seat_append_multi_session(DBusMessageIter *i, const char *property, void *data) {
+static int bus_seat_append_can_multi_session(DBusMessageIter *i, const char *property, void *data) {
Seat *s = data;
dbus_bool_t b;
return 0;
}
+static int bus_seat_append_can_tty(DBusMessageIter *i, const char *property, void *data) {
+ Seat *s = data;
+ dbus_bool_t b;
+
+ assert(i);
+ assert(property);
+ assert(s);
+
+ b = seat_can_tty(s);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int bus_seat_append_can_graphical(DBusMessageIter *i, const char *property, void *data) {
+ Seat *s = data;
+ dbus_bool_t b;
+
+ assert(i);
+ assert(property);
+ assert(s);
+
+ b = seat_can_graphical(s);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+ return -ENOMEM;
+
+ return 0;
+}
+
static int bus_seat_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
Seat *s = data;
dbus_bool_t b;
}
static int get_seat_for_path(Manager *m, const char *path, Seat **_s) {
+ _cleanup_free_ char *id = NULL;
Seat *s;
- char *id;
assert(m);
assert(path);
return -ENOMEM;
s = hashmap_get(m->seats, id);
- free(id);
-
if (!s)
return -ENOENT;
return 0;
}
+static const BusProperty bus_login_seat_properties[] = {
+ { "Id", bus_property_append_string, "s", offsetof(Seat, id), true },
+ { "ActiveSession", bus_seat_append_active, "(so)", 0 },
+ { "CanMultiSession", bus_seat_append_can_multi_session, "b", 0 },
+ { "CanTTY", bus_seat_append_can_tty, "b", 0 },
+ { "CanGraphical", bus_seat_append_can_graphical, "b", 0 },
+ { "Sessions", bus_seat_append_sessions, "a(so)", 0 },
+ { "IdleHint", bus_seat_append_idle_hint, "b", 0 },
+ { "IdleSinceHint", bus_seat_append_idle_hint_since, "t", 0 },
+ { "IdleSinceHintMonotonic", bus_seat_append_idle_hint_since, "t", 0 },
+ { NULL, }
+};
+
static DBusHandlerResult seat_message_dispatch(
Seat *s,
DBusConnection *connection,
DBusMessage *message) {
- const BusProperty properties[] = {
- { "org.freedesktop.login1.Seat", "Id", bus_property_append_string, "s", s->id },
- { "org.freedesktop.login1.Seat", "ActiveSession", bus_seat_append_active, "(so)", s },
- { "org.freedesktop.login1.Seat", "CanMultiSession", bus_seat_append_multi_session, "b", s },
- { "org.freedesktop.login1.Seat", "Sessions", bus_seat_append_sessions, "a(so)", s },
- { "org.freedesktop.login1.Seat", "IdleHint", bus_seat_append_idle_hint, "b", s },
- { "org.freedesktop.login1.Seat", "IdleSinceHint", bus_seat_append_idle_hint_since, "t", s },
- { "org.freedesktop.login1.Seat", "IdleSinceHintMonotonic", bus_seat_append_idle_hint_since, "t", s },
- { NULL, NULL, NULL, NULL, NULL }
- };
-
DBusError error;
- DBusMessage *reply = NULL;
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
int r;
assert(s);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
- } else
- return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
+ } else {
+ const BusBoundProperties bps[] = {
+ { "org.freedesktop.login1.Seat", bus_login_seat_properties, s },
+ { NULL, }
+ };
+ return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
+ }
if (reply) {
- if (!dbus_connection_send(connection, reply, NULL))
+ if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
-
- dbus_message_unref(reply);
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
- if (reply)
- dbus_message_unref(reply);
-
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
};
char *seat_bus_path(Seat *s) {
- char *t, *r;
+ _cleanup_free_ char *t = NULL;
assert(s);
if (!t)
return NULL;
- r = strappend("/org/freedesktop/login1/seat/", t);
- free(t);
-
- return r;
+ return strappend("/org/freedesktop/login1/seat/", t);
}
int seat_send_signal(Seat *s, bool new_seat) {
- DBusMessage *m;
- int r = -ENOMEM;
- char *p = NULL;
+ _cleanup_dbus_message_unref_ DBusMessage *m = NULL;
+ _cleanup_free_ char *p = NULL;
assert(s);
m = dbus_message_new_signal("/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
new_seat ? "SeatNew" : "SeatRemoved");
-
if (!m)
return -ENOMEM;
p = seat_bus_path(s);
if (!p)
- goto finish;
+ return -ENOMEM;
if (!dbus_message_append_args(
m,
DBUS_TYPE_STRING, &s->id,
DBUS_TYPE_OBJECT_PATH, &p,
DBUS_TYPE_INVALID))
- goto finish;
+ return -ENOMEM;
if (!dbus_connection_send(s->manager->bus, m, NULL))
- goto finish;
-
- r = 0;
-
-finish:
- dbus_message_unref(m);
- free(p);
+ return -ENOMEM;
- return r;
+ return 0;
}
int seat_send_changed(Seat *s, const char *properties) {
- DBusMessage *m;
- int r = -ENOMEM;
- char *p = NULL;
+ _cleanup_dbus_message_unref_ DBusMessage *m = NULL;
+ _cleanup_free_ char *p = NULL;
assert(s);
m = bus_properties_changed_new(p, "org.freedesktop.login1.Seat", properties);
if (!m)
- goto finish;
+ return -ENOMEM;
if (!dbus_connection_send(s->manager->bus, m, NULL))
- goto finish;
-
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
- free(p);
+ return -ENOMEM;
- return r;
+ return 0;
}