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