automount.c

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