src/core/dbus-swap.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2010 Maarten Lankhorst
   4 ***/
   5
   6 #include "bus-get-properties.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         assert(s);
  16
  17         if (s->from_proc_swaps && s->parameters_proc_swaps.priority_set)
  18                 return s->parameters_proc_swaps.priority;
  19
  20         if (s->from_fragment && s->parameters_fragment.priority_set)
  21                 return s->parameters_fragment.priority;
  22
  23         return -1;
  24 }
  25
  26 static const char *swap_get_options(Swap *s) {
  27         assert(s);
  28
  29         if (s->from_fragment)
  30                 return s->parameters_fragment.options;
  31
  32         return NULL;
  33 }
  34
  35 static BUS_DEFINE_PROPERTY_GET(property_get_priority, "i", Swap, swap_get_priority);
  36 static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Swap, swap_get_options);
  37 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, swap_result, SwapResult);
  38
  39 const sd_bus_vtable bus_swap_vtable[] = {
  40         SD_BUS_VTABLE_START(0),
  41         SD_BUS_PROPERTY("What", "s", NULL, offsetof(Swap, what), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  42         SD_BUS_PROPERTY("Priority", "i", property_get_priority, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  43         SD_BUS_PROPERTY("Options", "s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  44         SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Swap, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
  45         SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Swap, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  46         SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Swap, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  47         SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  48         SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  49         BUS_EXEC_COMMAND_VTABLE("ExecActivate", offsetof(Swap, exec_command[SWAP_EXEC_ACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  50         BUS_EXEC_COMMAND_VTABLE("ExecDeactivate", offsetof(Swap, exec_command[SWAP_EXEC_DEACTIVATE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  51         SD_BUS_VTABLE_END
  52 };
  53
  54 int bus_swap_set_property(
  55                 Unit *u,
  56                 const char *name,
  57                 sd_bus_message *message,
  58                 UnitWriteFlags flags,
  59                 sd_bus_error *error) {
  60
  61         Swap *s = SWAP(u);
  62
  63         assert(s);
  64         assert(name);
  65         assert(message);
  66
  67         return bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error);
  68 }
  69
  70 int bus_swap_commit_properties(Unit *u) {
  71         assert(u);
  72
  73         unit_invalidate_cgroup_members_masks(u);
  74         unit_realize_cgroup(u);
  75
  76         return 0;
  77 }