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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
Copyright 2010 Maarten Lankhorst
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-execute.h"
#include "dbus-kill.h"
#include "dbus-cgroup.h"
#include "dbus-common.h"
#include "selinux-access.h"
#include "dbus-swap.h"
#define BUS_SWAP_INTERFACE \
" <interface name=\"org.freedesktop.systemd1.Swap\">\n" \
" <property name=\"What\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Priority\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
BUS_UNIT_CGROUP_INTERFACE \
BUS_EXEC_COMMAND_INTERFACE("ExecActivate") \
BUS_EXEC_COMMAND_INTERFACE("ExecDeactivate") \
BUS_EXEC_CONTEXT_INTERFACE \
BUS_KILL_CONTEXT_INTERFACE \
BUS_CGROUP_CONTEXT_INTERFACE \
" <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
BUS_UNIT_INTERFACE \
BUS_SWAP_INTERFACE \
BUS_PROPERTIES_INTERFACE \
BUS_PEER_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_UNIT_INTERFACES_LIST \
"org.freedesktop.systemd1.Swap\0"
const char bus_swap_interface[] _introspect_("Swap") = BUS_SWAP_INTERFACE;
const char bus_swap_invalidating_properties[] =
"What\0"
"Priority\0"
"ExecActivate\0"
"ExecDeactivate\0"
"ControlPID\0"
"Result\0";
static int bus_swap_append_priority(DBusMessageIter *i, const char *property, void *data) {
Swap *s = data;
dbus_int32_t j;
assert(i);
assert(property);
assert(s);
if (s->from_proc_swaps)
j = s->parameters_proc_swaps.priority;
else if (s->from_fragment)
j = s->parameters_fragment.priority;
else
j = -1;
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &j))
return -ENOMEM;
return 0;
}
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_swap_append_swap_result, swap_result, SwapResult);
static const BusProperty bus_swap_properties[] = {
{ "What", bus_property_append_string, "s", offsetof(Swap, what), true },
{ "Priority", bus_swap_append_priority, "i", 0 },
{ "TimeoutUSec",bus_property_append_usec, "t", offsetof(Swap, timeout_usec)},
BUS_EXEC_COMMAND_PROPERTY("ExecActivate", offsetof(Swap, exec_command[SWAP_EXEC_ACTIVATE]), false),
BUS_EXEC_COMMAND_PROPERTY("ExecDeactivate", offsetof(Swap, exec_command[SWAP_EXEC_DEACTIVATE]), false),
{ "ControlPID", bus_property_append_pid, "u", offsetof(Swap, control_pid) },
{ "Result", bus_swap_append_swap_result,"s", offsetof(Swap, result) },
{ NULL, }
};
DBusHandlerResult bus_swap_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Swap *s = SWAP(u);
const BusBoundProperties bps[] = {
{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
{ "org.freedesktop.systemd1.Swap", bus_unit_cgroup_properties, u },
{ "org.freedesktop.systemd1.Swap", bus_swap_properties, s },
{ "org.freedesktop.systemd1.Swap", bus_exec_context_properties, &s->exec_context },
{ "org.freedesktop.systemd1.Swap", bus_kill_context_properties, &s->kill_context },
{ "org.freedesktop.systemd1.Swap", bus_cgroup_context_properties, &s->cgroup_context },
{ NULL, }
};
SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
}
int bus_swap_set_property(
Unit *u,
const char *name,
DBusMessageIter *i,
UnitSetPropertiesMode mode,
DBusError *error) {
Swap *s = SWAP(u);
int r;
assert(name);
assert(u);
assert(i);
r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);
if (r != 0)
return r;
return 0;
}
int bus_swap_commit_properties(Unit *u) {
assert(u);
unit_realize_cgroup(u);
return 0;
}
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