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1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | ||
24 | #include "unit.h" | |
25 | #include "automount.h" | |
26 | #include "load-fragment.h" | |
27 | #include "load-dropin.h" | |
28 | ||
29 | static const UnitActiveState state_translation_table[_AUTOMOUNT_STATE_MAX] = { | |
30 | [AUTOMOUNT_DEAD] = UNIT_INACTIVE, | |
31 | [AUTOMOUNT_WAITING] = UNIT_ACTIVE, | |
32 | [AUTOMOUNT_RUNNING] = UNIT_ACTIVE, | |
33 | [AUTOMOUNT_MAINTAINANCE] = UNIT_INACTIVE, | |
34 | }; | |
35 | ||
36 | static const char* const state_string_table[_AUTOMOUNT_STATE_MAX] = { | |
37 | [AUTOMOUNT_DEAD] = "dead", | |
38 | [AUTOMOUNT_WAITING] = "waiting", | |
39 | [AUTOMOUNT_RUNNING] = "running", | |
40 | [AUTOMOUNT_MAINTAINANCE] = "maintainance" | |
41 | }; | |
42 | ||
43 | static void automount_init(Unit *u) { | |
44 | Automount *a = AUTOMOUNT(u); | |
45 | ||
46 | a->state = 0; | |
47 | a->mount = NULL; | |
48 | } | |
49 | ||
50 | static int automount_load(Unit *u) { | |
51 | int r; | |
52 | Automount *a = AUTOMOUNT(u); | |
53 | ||
54 | assert(u); | |
55 | assert(u->meta.load_state == UNIT_STUB); | |
56 | ||
57 | /* Load a .automount file */ | |
58 | if ((r = unit_load_fragment_and_dropin_optional(u)) < 0) | |
59 | return r; | |
60 | ||
61 | if (u->meta.load_state == UNIT_LOADED) { | |
62 | ||
63 | if ((r = unit_load_related_unit(u, ".mount", (Unit**) &a->mount)) < 0) | |
64 | return r; | |
65 | ||
66 | if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(a->mount))) < 0) | |
67 | return r; | |
68 | } | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | static void automount_done(Unit *u) { | |
74 | Automount *a = AUTOMOUNT(u); | |
75 | ||
76 | assert(a); | |
77 | ||
78 | a->mount = NULL; | |
79 | } | |
80 | ||
81 | static void automount_dump(Unit *u, FILE *f, const char *prefix) { | |
82 | Automount *s = AUTOMOUNT(u); | |
83 | ||
84 | assert(s); | |
85 | ||
86 | fprintf(f, | |
87 | "%sAutomount State: %s\n", | |
88 | prefix, state_string_table[s->state]); | |
89 | } | |
90 | ||
91 | static UnitActiveState automount_active_state(Unit *u) { | |
92 | ||
93 | return state_translation_table[AUTOMOUNT(u)->state]; | |
94 | } | |
95 | ||
96 | static const char *automount_sub_state_to_string(Unit *u) { | |
97 | assert(u); | |
98 | ||
99 | return state_string_table[AUTOMOUNT(u)->state]; | |
100 | } | |
101 | ||
102 | const UnitVTable automount_vtable = { | |
103 | .suffix = ".mount", | |
104 | ||
105 | .no_alias = true, | |
106 | ||
107 | .init = automount_init, | |
108 | .load = automount_load, | |
109 | .done = automount_done, | |
110 | ||
111 | .dump = automount_dump, | |
112 | ||
113 | .active_state = automount_active_state, | |
114 | .sub_state_to_string = automount_sub_state_to_string | |
115 | }; |