automount.c

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #include <errno.h>
   4
   5 #include "name.h"
   6 #include "automount.h"
   7 #include "load-fragment.h"
   8 #include "load-fstab.h"
   9 #include "load-dropin.h"
  10
  11 static int automount_load(Name *n) {
  12         int r;
  13         Automount *a = AUTOMOUNT(n);
  14
  15         assert(a);
  16
  17         exec_context_defaults(&a->exec_context);
  18
  19         /* Load a .automount file */
  20         if ((r = name_load_fragment(n)) < 0 && errno != -ENOENT)
  21                 return r;
  22
  23         /* Load entry from /etc/fstab */
  24         if ((r = name_load_fstab(n)) < 0)
  25                 return r;
  26
  27         /* Load drop-in directory data */
  28         if ((r = name_load_dropin(n)) < 0)
  29                 return r;
  30
  31         return 0;
  32 }
  33
  34 static void automount_dump(Name *n, FILE *f, const char *prefix) {
  35
  36         static const char* const state_table[_AUTOMOUNT_STATE_MAX] = {
  37                 [AUTOMOUNT_DEAD] = "dead",
  38                 [AUTOMOUNT_START_PRE] = "start-pre",
  39                 [AUTOMOUNT_START_POST] = "start-post",
  40                 [AUTOMOUNT_WAITING] = "waiting",
  41                 [AUTOMOUNT_RUNNING] = "running",
  42                 [AUTOMOUNT_STOP_PRE] = "stop-pre",
  43                 [AUTOMOUNT_STOP_POST] = "stop-post",
  44                 [AUTOMOUNT_MAINTAINANCE] = "maintainance"
  45         };
  46
  47         static const char* const command_table[_AUTOMOUNT_EXEC_MAX] = {
  48                 [AUTOMOUNT_EXEC_START_PRE] = "StartPre",
  49                 [AUTOMOUNT_EXEC_START_POST] = "StartPost",
  50                 [AUTOMOUNT_EXEC_STOP_PRE] = "StopPre",
  51                 [AUTOMOUNT_EXEC_STOP_POST] = "StopPost"
  52         };
  53
  54         AutomountExecCommand c;
  55         Automount *s = AUTOMOUNT(n);
  56
  57         assert(s);
  58
  59         fprintf(f,
  60                 "%sAutomount State: %s\n"
  61                 "%sPath: %s\n",
  62                 prefix, state_table[s->state],
  63                 prefix, s->path);
  64
  65         exec_context_dump(&s->exec_context, f, prefix);
  66
  67         for (c = 0; c < _AUTOMOUNT_EXEC_MAX; c++) {
  68                 ExecCommand *i;
  69
  70                 LIST_FOREACH(i, s->exec_command[c])
  71                         fprintf(f, "%s%s: %s\n", prefix, command_table[c], i->path);
  72         }
  73 }
  74
  75 static NameActiveState automount_active_state(Name *n) {
  76
  77         static const NameActiveState table[_AUTOMOUNT_STATE_MAX] = {
  78                 [AUTOMOUNT_DEAD] = NAME_INACTIVE,
  79                 [AUTOMOUNT_START_PRE] = NAME_ACTIVATING,
  80                 [AUTOMOUNT_START_POST] = NAME_ACTIVATING,
  81                 [AUTOMOUNT_WAITING] = NAME_ACTIVE,
  82                 [AUTOMOUNT_RUNNING] = NAME_ACTIVE,
  83                 [AUTOMOUNT_STOP_PRE] = NAME_DEACTIVATING,
  84                 [AUTOMOUNT_STOP_POST] = NAME_DEACTIVATING,
  85                 [AUTOMOUNT_MAINTAINANCE] = NAME_INACTIVE,
  86         };
  87
  88         return table[AUTOMOUNT(n)->state];
  89 }
  90
  91 static void automount_free_hook(Name *n) {
  92         Automount *d = AUTOMOUNT(n);
  93
  94         assert(d);
  95         free(d->path);
  96 }
  97
  98 const NameVTable automount_vtable = {
  99         .suffix = ".mount",
 100
 101         .load = automount_load,
 102         .dump = automount_dump,
 103
 104         .start = NULL,
 105         .stop = NULL,
 106         .reload = NULL,
 107
 108         .active_state = automount_active_state,
 109
 110         .free_hook = automount_free_hook
 111 };