chiark / gitweb /
Use bus_maybe_send_reply() where applicable
[elogind.git] / src / login / logind-seat-dbus.c
index 3a916ee..4da076e 100644 (file)
@@ -6,16 +6,16 @@
   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/>.
 ***/
 
@@ -36,6 +36,8 @@
         "  <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" \
@@ -133,7 +135,7 @@ static int bus_seat_append_sessions(DBusMessageIter *i, const char *property, vo
         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;
 
@@ -141,7 +143,39 @@ static int bus_seat_append_multi_session(DBusMessageIter *i, const char *propert
         assert(property);
         assert(s);
 
-        b = seat_is_vtconsole(s);
+        b = seat_can_multi_session(s);
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+                return -ENOMEM;
+
+        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;
@@ -207,22 +241,24 @@ static int get_seat_for_path(Manager *m, const char *path, Seat **_s) {
         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;
         int r;
@@ -265,11 +301,16 @@ static DBusHandlerResult seat_message_dispatch(
                 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);