1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
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.
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.
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/>.
26 #include "load-fragment.h"
29 static const UnitActiveState state_translation_table
[_TARGET_STATE_MAX
] = {
30 [TARGET_DEAD
] = UNIT_INACTIVE
,
31 [TARGET_ACTIVE
] = UNIT_ACTIVE
34 static const char* const state_string_table
[_TARGET_STATE_MAX
] = {
35 [TARGET_DEAD
] = "dead",
36 [TARGET_ACTIVE
] = "active"
39 static int target_init(Unit
*u
) {
43 /* Make sure this config file actually exists */
45 if ((r
= unit_load_fragment_and_dropin(u
)) <= 0)
46 return r
< 0 ? r
: -ENOENT
;
51 static void target_dump(Unit
*u
, FILE *f
, const char *prefix
) {
52 Target
*t
= TARGET(u
);
58 "%sTarget State: %s\n",
59 prefix
, state_string_table
[t
->state
]);
62 static void target_set_state(Target
*t
, TargetState state
) {
63 TargetState old_state
;
69 log_debug("%s changed %s → %s", unit_id(UNIT(t
)), state_string_table
[old_state
], state_string_table
[state
]);
71 unit_notify(UNIT(t
), state_translation_table
[old_state
], state_translation_table
[state
]);
74 static int target_start(Unit
*u
) {
75 Target
*t
= TARGET(u
);
78 assert(t
->state
== TARGET_DEAD
);
80 target_set_state(t
, TARGET_ACTIVE
);
84 static int target_stop(Unit
*u
) {
85 Target
*t
= TARGET(u
);
88 assert(t
->state
== TARGET_ACTIVE
);
90 target_set_state(t
, TARGET_DEAD
);
94 static UnitActiveState
target_active_state(Unit
*u
) {
97 return state_translation_table
[TARGET(u
)->state
];
100 const UnitVTable target_vtable
= {
107 .start
= target_start
,
110 .active_state
= target_active_state