mount.c

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #include <errno.h>
   4
   5 #include "name.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_load(Name *n) {
  12         int r;
  13         Mount *m = MOUNT(n);
  14
  15         assert(m);
  16
  17         /* Load a .mount file */
  18         if ((r = name_load_fragment(n)) < 0 && errno != -ENOENT)
  19                 return r;
  20
  21         /* Load entry from /etc/fstab */
  22         if ((r = name_load_fstab(n)) < 0)
  23                 return r;
  24
  25         /* Load drop-in directory data */
  26         if ((r = name_load_dropin(n)) < 0)
  27                 return r;
  28
  29         return r;
  30 }
  31
  32 static void mount_dump(Name *n, FILE *f, const char *prefix) {
  33
  34         static const char* const state_table[_MOUNT_STATE_MAX] = {
  35                 [MOUNT_DEAD] = "dead",
  36                 [MOUNT_MOUNTING] = "mounting",
  37                 [MOUNT_MOUNTED] = "mounted",
  38                 [MOUNT_UNMOUNTING] = "unmounting",
  39                 [MOUNT_MAINTAINANCE] = "maintainance"
  40         };
  41
  42         Mount *s = MOUNT(n);
  43
  44         assert(s);
  45
  46         fprintf(f,
  47                 "%sMount State: %s\n"
  48                 "%sPath: %s\n",
  49                 prefix, state_table[s->state],
  50                 prefix, s->path);
  51 }
  52
  53 static NameActiveState mount_active_state(Name *n) {
  54
  55         static const NameActiveState table[_MOUNT_STATE_MAX] = {
  56                 [MOUNT_DEAD] = NAME_INACTIVE,
  57                 [MOUNT_MOUNTING] = NAME_ACTIVATING,
  58                 [MOUNT_MOUNTED] = NAME_ACTIVE,
  59                 [MOUNT_UNMOUNTING] = NAME_DEACTIVATING,
  60                 [MOUNT_MAINTAINANCE] = NAME_INACTIVE,
  61         };
  62
  63         return table[MOUNT(n)->state];
  64 }
  65
  66 static void mount_free_hook(Name *n) {
  67         Mount *d = MOUNT(n);
  68
  69         assert(d);
  70         free(d->path);
  71 }
  72
  73 const NameVTable mount_vtable = {
  74         .suffix = ".mount",
  75
  76         .load = mount_load,
  77         .dump = mount_dump,
  78
  79         .start = NULL,
  80         .stop = NULL,
  81         .reload = NULL,
  82
  83         .active_state = mount_active_state,
  84
  85         .free_hook = mount_free_hook
  86 };