src/core/dbus-slice.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2013 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  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   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <errno.h>
  23
  24 #include "dbus-unit.h"
  25 #include "dbus-common.h"
  26 #include "dbus-cgroup.h"
  27 #include "selinux-access.h"
  28 #include "dbus-slice.h"
  29
  30 #define BUS_SLICE_INTERFACE                                             \
  31         " <interface name=\"org.freedesktop.systemd1.Slice\">\n"        \
  32         BUS_UNIT_CGROUP_INTERFACE                                       \
  33         BUS_CGROUP_CONTEXT_INTERFACE                                    \
  34         " </interface>\n"
  35
  36 #define INTROSPECTION                                                   \
  37         DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
  38         "<node>\n"                                                      \
  39         BUS_UNIT_INTERFACE                                              \
  40         BUS_SLICE_INTERFACE                                             \
  41         BUS_PROPERTIES_INTERFACE                                        \
  42         BUS_PEER_INTERFACE                                              \
  43         BUS_INTROSPECTABLE_INTERFACE                                    \
  44         "</node>\n"
  45
  46 #define INTERFACES_LIST                              \
  47         BUS_UNIT_INTERFACES_LIST                     \
  48         "org.freedesktop.systemd1.Slice\0"
  49
  50 const char bus_slice_interface[] _introspect_("Slice") = BUS_SLICE_INTERFACE;
  51
  52 DBusHandlerResult bus_slice_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
  53         Slice *s = SLICE(u);
  54
  55         const BusBoundProperties bps[] = {
  56                 { "org.freedesktop.systemd1.Unit",  bus_unit_properties,           u },
  57                 { "org.freedesktop.systemd1.Slice", bus_unit_cgroup_properties,    u },
  58                 { "org.freedesktop.systemd1.Slice", bus_cgroup_context_properties, &s->cgroup_context },
  59                 {}
  60         };
  61
  62         SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
  63
  64         return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
  65 }
  66
  67 int bus_slice_set_property(
  68                 Unit *u,
  69                 const char *name,
  70                 DBusMessageIter *i,
  71                 UnitSetPropertiesMode mode,
  72                 DBusError *error) {
  73
  74         Slice *s = SLICE(u);
  75         int r;
  76
  77         assert(name);
  78         assert(u);
  79         assert(i);
  80
  81         r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);
  82         if (r != 0)
  83                 return r;
  84
  85         return 0;
  86 }
  87
  88 int bus_slice_commit_properties(Unit *u) {
  89         assert(u);
  90
  91         unit_realize_cgroup(u);
  92         return 0;
  93 }