src/core/dbus-swap.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2010 Lennart Poettering
   4   Copyright 2010 Maarten Lankhorst
   5 ***/
   6
   7 #include "bus-util.h"
   8 #include "dbus-cgroup.h"
   9 #include "dbus-execute.h"
  10 #include "dbus-swap.h"
  11 #include "string-util.h"
  12 #include "swap.h"
  13 #include "unit.h"
  14
  15 static int swap_get_priority(Swap *s) {
  16         if (s->from_proc_swaps)
  17                 return s->parameters_proc_swaps.priority;
  18         if (s->from_fragment)
  19                 return s->parameters_fragment.priority;
  20         return -1;
  21 }
  22
  23 static const char *swap_get_options(Swap *s) {
  24         if (s->from_fragment)
  25                 return s->parameters_fragment.options;
  26         return NULL;
  27 }
  28
  29 static BUS_DEFINE_PROPERTY_GET(property_get_priority, "i", Swap, swap_get_priority);
  30 static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Swap, swap_get_options);
  31 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, swap_result, SwapResult);
  32
  33 const sd_bus_vtable bus_swap_vtable[] = {
  34         SD_BUS_VTABLE_START(0),
  35         SD_BUS_PROPERTY("What", "s", NULL, offsetof(Swap, what), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  36         SD_BUS_PROPERTY("Priority", "i", property_get_priority, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  37         SD_BUS_PROPERTY("Options", "s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  38         SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Swap, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
  39         SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Swap, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  40         SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Swap, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  41         SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  42         SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  43         BUS_EXEC_COMMAND_VTABLE("ExecActivate", offsetof(Swap, exec_command[SWAP_EXEC_ACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  44         BUS_EXEC_COMMAND_VTABLE("ExecDeactivate", offsetof(Swap, exec_command[SWAP_EXEC_DEACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  45         SD_BUS_VTABLE_END
  46 };
  47
  48 int bus_swap_set_property(
  49                 Unit *u,
  50                 const char *name,
  51                 sd_bus_message *message,
  52                 UnitWriteFlags flags,
  53                 sd_bus_error *error) {
  54
  55         Swap *s = SWAP(u);
  56
  57         assert(s);
  58         assert(name);
  59         assert(message);
  60
  61         return bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error);
  62 }
  63
  64 int bus_swap_commit_properties(Unit *u) {
  65         assert(u);
  66
  67         unit_update_cgroup_members_masks(u);
  68         unit_realize_cgroup(u);
  69
  70         return 0;
  71 }