mount.c

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #include <errno.h>
   4
   5 #include "unit.h"
   6 #include "mount.h"
   7 #include "load-fragment.h"
   8 #include "load-fstab.h"
   9 #include "load-dropin.h"
  10
  11 static int mount_init(Unit *u) {
  12         int r;
  13         Mount *m = MOUNT(u);
  14
  15         assert(m);
  16
  17         /* Load a .mount file */
  18         if ((r = unit_load_fragment(u)) < 0 && errno != -ENOENT)
  19                 return r;
  20
  21         /* Load entry from /etc/fstab */
  22         if ((r = unit_load_fstab(u)) < 0)
  23                 return r;
  24
  25         /* Load drop-in directory data */
  26         if ((r = unit_load_dropin(u)) < 0)
  27                 return r;
  28
  29         return r;
  30 }
  31
  32 static void mount_done(Unit *u) {
  33         Mount *d = MOUNT(u);
  34
  35         assert(d);
  36         free(d->path);
  37 }
  38
  39 static void mount_dump(Unit *u, FILE *f, const char *prefix) {
  40
  41         static const char* const state_table[_MOUNT_STATE_MAX] = {
  42                 [MOUNT_DEAD] = "dead",
  43                 [MOUNT_MOUNTING] = "mounting",
  44                 [MOUNT_MOUNTED] = "mounted",
  45                 [MOUNT_UNMOUNTING] = "unmounting",
  46                 [MOUNT_MAINTAINANCE] = "maintainance"
  47         };
  48
  49         Mount *s = MOUNT(u);
  50
  51         assert(s);
  52
  53         fprintf(f,
  54                 "%sMount State: %s\n"
  55                 "%sPath: %s\n",
  56                 prefix, state_table[s->state],
  57                 prefix, s->path);
  58 }
  59
  60 static UnitActiveState mount_active_state(Unit *u) {
  61
  62         static const UnitActiveState table[_MOUNT_STATE_MAX] = {
  63                 [MOUNT_DEAD] = UNIT_INACTIVE,
  64                 [MOUNT_MOUNTING] = UNIT_ACTIVATING,
  65                 [MOUNT_MOUNTED] = UNIT_ACTIVE,
  66                 [MOUNT_UNMOUNTING] = UNIT_DEACTIVATING,
  67                 [MOUNT_MAINTAINANCE] = UNIT_INACTIVE,
  68         };
  69
  70         return table[MOUNT(u)->state];
  71 }
  72
  73 const UnitVTable mount_vtable = {
  74         .suffix = ".mount",
  75
  76         .init = mount_init,
  77         .done = mount_done,
  78
  79         .dump = mount_dump,
  80
  81         .active_state = mount_active_state,
  82 };