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/>.
27 #include "load-fragment.h"
30 static const UnitActiveState state_translation_table
[_TARGET_STATE_MAX
] = {
31 [TARGET_DEAD
] = UNIT_INACTIVE
,
32 [TARGET_ACTIVE
] = UNIT_ACTIVE
35 static const char* const state_string_table
[_TARGET_STATE_MAX
] = {
36 [TARGET_DEAD
] = "dead",
37 [TARGET_ACTIVE
] = "active"
40 static void target_init(Unit
*u
) {
41 Target
*t
= TARGET(u
);
44 assert(u
->meta
.load_state
== UNIT_STUB
);
49 static void target_dump(Unit
*u
, FILE *f
, const char *prefix
) {
50 Target
*t
= TARGET(u
);
56 "%sTarget State: %s\n",
57 prefix
, state_string_table
[t
->state
]);
60 static void target_set_state(Target
*t
, TargetState state
) {
61 TargetState old_state
;
67 if (state
!= old_state
)
68 log_debug("%s changed %s → %s", unit_id(UNIT(t
)), state_string_table
[old_state
], state_string_table
[state
]);
70 unit_notify(UNIT(t
), state_translation_table
[old_state
], state_translation_table
[state
]);
73 static int target_start(Unit
*u
) {
74 Target
*t
= TARGET(u
);
77 assert(t
->state
== TARGET_DEAD
);
79 target_set_state(t
, TARGET_ACTIVE
);
83 static int target_stop(Unit
*u
) {
84 Target
*t
= TARGET(u
);
87 assert(t
->state
== TARGET_ACTIVE
);
89 target_set_state(t
, TARGET_DEAD
);
93 static UnitActiveState
target_active_state(Unit
*u
) {
96 return state_translation_table
[TARGET(u
)->state
];
99 static const char *target_sub_state_to_string(Unit
*u
) {
102 return state_string_table
[TARGET(u
)->state
];
105 int target_get_runlevel(Target
*t
) {
107 static const struct {
111 { SPECIAL_RUNLEVEL5_TARGET
, '5' },
112 { SPECIAL_RUNLEVEL4_TARGET
, '4' },
113 { SPECIAL_RUNLEVEL3_TARGET
, '3' },
114 { SPECIAL_RUNLEVEL2_TARGET
, '2' },
115 { SPECIAL_RUNLEVEL1_TARGET
, '1' },
116 { SPECIAL_RUNLEVEL0_TARGET
, '0' },
117 { SPECIAL_RUNLEVEL6_TARGET
, '6' },
124 /* Tries to determine if this is a SysV runlevel and returns
125 * it if that is so. */
127 for (i
= 0; i
< ELEMENTSOF(table
); i
++)
128 if (unit_has_name(UNIT(t
), table
[i
].special
))
129 return table
[i
].runlevel
;
134 const UnitVTable target_vtable
= {
138 .load
= unit_load_fragment_and_dropin
,
142 .start
= target_start
,
145 .active_state
= target_active_state
,
146 .sub_state_to_string
= target_sub_state_to_string