/*-*- 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 }, 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; }