src/core/dbus-swap.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2010 Maarten Lankhorst
   4 ***/
   5
   6 #include "bus-util.h"
   7 #include "dbus-cgroup.h"
   8 #include "dbus-execute.h"
   9 #include "dbus-swap.h"
  10 #include "string-util.h"
  11 #include "swap.h"
  12 #include "unit.h"
  13
  14 static int swap_get_priority(Swap *s) {
  15         if (s->from_proc_swaps)
  16                 return s->parameters_proc_swaps.priority;
  17         if (s->from_fragment)
  18                 return s->parameters_fragment.priority;
  19         return -1;
  20 }
  21
  22 static const char *swap_get_options(Swap *s) {
  23         if (s->from_fragment)
  24                 return s->parameters_fragment.options;
  25         return NULL;
  26 }
  27
  28 static BUS_DEFINE_PROPERTY_GET(property_get_priority, "i", Swap, swap_get_priority);
  29 static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Swap, swap_get_options);
  30 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, swap_result, SwapResult);
  31
  32 const sd_bus_vtable bus_swap_vtable[] = {
  33         SD_BUS_VTABLE_START(0),
  34         SD_BUS_PROPERTY("What", "s", NULL, offsetof(Swap, what), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  35         SD_BUS_PROPERTY("Priority", "i", property_get_priority, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  36         SD_BUS_PROPERTY("Options", "s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  37         SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Swap, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
  38         SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Swap, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  39         SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Swap, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  40         SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  41         SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  42         BUS_EXEC_COMMAND_VTABLE("ExecActivate", offsetof(Swap, exec_command[SWAP_EXEC_ACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  43         BUS_EXEC_COMMAND_VTABLE("ExecDeactivate", offsetof(Swap, exec_command[SWAP_EXEC_DEACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  44         SD_BUS_VTABLE_END
  45 };
  46
  47 int bus_swap_set_property(
  48                 Unit *u,
  49                 const char *name,
  50                 sd_bus_message *message,
  51                 UnitWriteFlags flags,
  52                 sd_bus_error *error) {
  53
  54         Swap *s = SWAP(u);
  55
  56         assert(s);
  57         assert(name);
  58         assert(message);
  59
  60         return bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error);
  61 }
  62
  63 int bus_swap_commit_properties(Unit *u) {
  64         assert(u);
  65
  66         unit_invalidate_cgroup_members_masks(u);
  67         unit_realize_cgroup(u);
  68
  69         return 0;
  70 }