1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
typedef enum UnitFileScope UnitFileScope;
typedef enum UnitFileState UnitFileState;
typedef enum UnitFilePresetMode UnitFilePresetMode;
typedef enum UnitFileChangeType UnitFileChangeType;
typedef enum UnitFileFlags UnitFileFlags;
typedef enum UnitFileType UnitFileType;
typedef struct UnitFileChange UnitFileChange;
typedef struct UnitFileList UnitFileList;
typedef struct UnitFileInstallInfo UnitFileInstallInfo;
#include <stdbool.h>
#include "hashmap.h"
#include "macro.h"
#include "path-lookup.h"
#include "strv.h"
#include "unit-name.h"
enum UnitFileScope {
UNIT_FILE_SYSTEM,
UNIT_FILE_GLOBAL,
UNIT_FILE_USER,
_UNIT_FILE_SCOPE_MAX,
_UNIT_FILE_SCOPE_INVALID = -1
};
enum UnitFileState {
UNIT_FILE_ENABLED,
UNIT_FILE_ENABLED_RUNTIME,
UNIT_FILE_LINKED,
UNIT_FILE_LINKED_RUNTIME,
UNIT_FILE_MASKED,
UNIT_FILE_MASKED_RUNTIME,
UNIT_FILE_STATIC,
UNIT_FILE_DISABLED,
UNIT_FILE_INDIRECT,
UNIT_FILE_GENERATED,
UNIT_FILE_TRANSIENT,
UNIT_FILE_BAD,
_UNIT_FILE_STATE_MAX,
_UNIT_FILE_STATE_INVALID = -1
};
enum UnitFilePresetMode {
UNIT_FILE_PRESET_FULL,
UNIT_FILE_PRESET_ENABLE_ONLY,
UNIT_FILE_PRESET_DISABLE_ONLY,
_UNIT_FILE_PRESET_MAX,
_UNIT_FILE_PRESET_INVALID = -1
};
enum UnitFileChangeType {
UNIT_FILE_SYMLINK,
UNIT_FILE_UNLINK,
UNIT_FILE_IS_MASKED,
UNIT_FILE_IS_DANGLING,
_UNIT_FILE_CHANGE_TYPE_MAX,
_UNIT_FILE_CHANGE_TYPE_INVALID = INT_MIN
};
enum UnitFileFlags {
UNIT_FILE_RUNTIME = 1 << 0,
UNIT_FILE_FORCE = 1 << 1,
UNIT_FILE_DRY_RUN = 1 << 2,
};
/* type can either one of the UnitFileChangeTypes listed above, or a negative error.
* If source is specified, it should be the contents of the path symlink.
* In case of an error, source should be the existing symlink contents or NULL
*/
struct UnitFileChange {
int type; /* UnitFileChangeType or bust */
char *path;
char *source;
};
static inline bool unit_file_changes_have_modification(const UnitFileChange* changes, size_t n_changes) {
size_t i;
for (i = 0; i < n_changes; i++)
if (IN_SET(changes[i].type, UNIT_FILE_SYMLINK, UNIT_FILE_UNLINK))
return true;
return false;
}
struct UnitFileList {
char *path;
UnitFileState state;
};
enum UnitFileType {
UNIT_FILE_TYPE_REGULAR,
UNIT_FILE_TYPE_SYMLINK,
UNIT_FILE_TYPE_MASKED,
_UNIT_FILE_TYPE_MAX,
_UNIT_FILE_TYPE_INVALID = -1,
};
struct UnitFileInstallInfo {
char *name;
char *path;
char **aliases;
char **wanted_by;
char **required_by;
char **also;
char *default_instance;
char *symlink_target;
UnitFileType type;
bool auxiliary;
};
bool unit_type_may_alias(UnitType type) _const_;
bool unit_type_may_template(UnitType type) _const_;
int unit_file_enable(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_disable(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_reenable(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_preset(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFilePresetMode mode,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_preset_all(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
UnitFilePresetMode mode,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_mask(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_unmask(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_link(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_revert(
UnitFileScope scope,
const char *root_dir,
char **files,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_set_default(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
const char *file,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_get_default(
UnitFileScope scope,
const char *root_dir,
char **name);
int unit_file_add_dependency(
UnitFileScope scope,
UnitFileFlags flags,
const char *root_dir,
char **files,
const char *target,
UnitDependency dep,
UnitFileChange **changes,
size_t *n_changes);
int unit_file_lookup_state(
UnitFileScope scope,
const LookupPaths *paths,
const char *name,
UnitFileState *ret);
int unit_file_get_state(UnitFileScope scope, const char *root_dir, const char *filename, UnitFileState *ret);
int unit_file_exists(UnitFileScope scope, const LookupPaths *paths, const char *name);
int unit_file_get_list(UnitFileScope scope, const char *root_dir, Hashmap *h, char **states, char **patterns);
Hashmap* unit_file_list_free(Hashmap *h);
int unit_file_changes_add(UnitFileChange **changes, size_t *n_changes, UnitFileChangeType type, const char *path, const char *source);
void unit_file_changes_free(UnitFileChange *changes, size_t n_changes);
void unit_file_dump_changes(int r, const char *verb, const UnitFileChange *changes, size_t n_changes, bool quiet);
int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name);
const char *unit_file_state_to_string(UnitFileState s) _const_;
UnitFileState unit_file_state_from_string(const char *s) _pure_;
/* from_string conversion is unreliable because of the overlap between -EPERM and -1 for error. */
const char *unit_file_change_type_to_string(UnitFileChangeType s) _const_;
UnitFileChangeType unit_file_change_type_from_string(const char *s) _pure_;
const char *unit_file_preset_mode_to_string(UnitFilePresetMode m) _const_;
UnitFilePresetMode unit_file_preset_mode_from_string(const char *s) _pure_;
|
