core: add new .slice unit type for partitioning systems

[elogind.git] / src / core / dbus-slice.c

diff --git a/src/core/dbus-slice.c b/src/core/dbus-slice.c
new file mode 100644 (file)
index 0000000..8a318fa
--- /dev/null
+++ b/src/core/dbus-slice.c
@@ -0,0 +1,60 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2013 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-slice.h"
+#include "dbus-common.h"
+#include "selinux-access.h"
+
+#define BUS_SLICE_INTERFACE                                             \
+        " <interface name=\"org.freedesktop.systemd1.Slice\">\n"        \
+        BUS_UNIT_CGROUP_INTERFACE                                       \
+        " </interface>\n"
+
+#define INTROSPECTION                                                   \
+        DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
+        "<node>\n"                                                      \
+        BUS_UNIT_INTERFACE                                              \
+        BUS_SLICE_INTERFACE                                             \
+        BUS_PROPERTIES_INTERFACE                                        \
+        BUS_PEER_INTERFACE                                              \
+        BUS_INTROSPECTABLE_INTERFACE                                    \
+        "</node>\n"
+
+#define INTERFACES_LIST                              \
+        BUS_UNIT_INTERFACES_LIST                     \
+        "org.freedesktop.systemd1.Slice\0"
+
+const char bus_slice_interface[] _introspect_("Slice") = BUS_SLICE_INTERFACE;
+
+DBusHandlerResult bus_slice_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
+        const BusBoundProperties bps[] = {
+                { "org.freedesktop.systemd1.Unit",  bus_unit_properties,             u },
+                { "org.freedesktop.systemd1.Slice", bus_unit_cgroup_properties,      u },
+                { NULL, }
+        };
+
+        SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
+
+        return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
+}