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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
3 | #ifndef foonamehfoo | |
4 | #define foonamehfoo | |
5 | ||
6 | #include <stdbool.h> | |
7 | #include <stdlib.h> | |
8 | ||
9 | typedef union Name Name; | |
10 | typedef struct Meta Meta; | |
11 | typedef struct Service Service; | |
12 | typedef struct Timer Timer; | |
13 | typedef struct Socket Socket; | |
14 | typedef struct Milestone Milestone; | |
15 | typedef struct Device Device; | |
16 | typedef struct Mount Mount; | |
17 | typedef struct Automount Automount; | |
18 | typedef struct Snapshot Snapshot; | |
19 | ||
20 | #include "job.h" | |
21 | #include "manager.h" | |
22 | #include "set.h" | |
23 | #include "util.h" | |
24 | #include "list.h" | |
42f4e3c4 | 25 | #include "socket-util.h" |
60918275 LP |
26 | |
27 | typedef enum NameType { | |
28 | NAME_SERVICE = 0, | |
29 | NAME_TIMER, | |
30 | NAME_SOCKET, | |
31 | NAME_MILESTONE, | |
32 | NAME_DEVICE, | |
33 | NAME_MOUNT, | |
34 | NAME_AUTOMOUNT, | |
35 | NAME_SNAPSHOT, | |
36 | _NAME_TYPE_MAX, | |
37 | _NAME_TYPE_INVALID = -1, | |
38 | } NameType; | |
39 | ||
40 | typedef enum NameState { | |
41 | NAME_STUB, | |
42 | NAME_LOADED, | |
a66d02c3 LP |
43 | NAME_FAILED, |
44 | _NAME_STATE_MAX | |
60918275 LP |
45 | } NameState; |
46 | ||
87d1515d | 47 | typedef enum NameDependency { |
60918275 | 48 | /* Positive dependencies */ |
87d1515d LP |
49 | NAME_REQUIRES, |
50 | NAME_SOFT_REQUIRES, | |
51 | NAME_WANTS, | |
52 | NAME_REQUISITE, | |
53 | NAME_SOFT_REQUISITE, | |
54 | NAME_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ | |
55 | NAME_WANTED_BY, /* inverse of 'wants', 'soft_requires' and 'soft_requisite' is 'wanted_by' */ | |
60918275 LP |
56 | |
57 | /* Negative dependencies */ | |
87d1515d | 58 | NAME_CONFLICTS, /* inverse of 'conflicts' is 'conflicts' */ |
60918275 LP |
59 | |
60 | /* Order */ | |
87d1515d LP |
61 | NAME_BEFORE, /* inverse of before is after and vice versa */ |
62 | NAME_AFTER, | |
63 | _NAME_DEPENDENCY_MAX | |
64 | } NameDependency; | |
65 | ||
66 | struct Meta { | |
67 | Manager *manager; | |
68 | NameType type; | |
69 | NameState state; | |
70 | ||
71 | Set *names; | |
72 | Set *dependencies[_NAME_DEPENDENCY_MAX]; | |
60918275 | 73 | |
60918275 LP |
74 | char *description; |
75 | ||
76 | /* If there is something to do with this name, then this is | |
77 | * the job for it */ | |
78 | Job *job; | |
79 | ||
80 | bool linked:1; | |
81 | ||
82 | /* Load queue */ | |
83 | LIST_FIELDS(Meta); | |
84 | }; | |
85 | ||
86 | typedef enum ServiceState { | |
87 | SERVICE_DEAD, | |
88 | SERVICE_BEFORE, | |
89 | SERVICE_START_PRE, | |
90 | SERVICE_START, | |
91 | SERVICE_START_POST, | |
92 | SERVICE_RUNNING, | |
93 | SERVICE_RELOAD_PRE, | |
94 | SERVICE_RELOAD, | |
95 | SERVICE_RELOAD_POST, | |
96 | SERVICE_STOP_PRE, | |
97 | SERVICE_STOP, | |
98 | SERVICE_SIGTERM, | |
99 | SERVICE_SIGKILL, | |
100 | SERVICE_STOP_POST, | |
101 | SERVICE_HOLDOFF, | |
102 | SERVICE_MAINTAINANCE | |
103 | } ServiceState; | |
104 | ||
105 | typedef enum ServiceMode { | |
106 | SERVICE_ONCE, | |
107 | SERVICE_RESTART | |
108 | } ServiceMode; | |
109 | ||
110 | struct Service { | |
111 | Meta meta; | |
112 | ||
113 | ServiceState state; | |
114 | ServiceMode mode; | |
115 | }; | |
116 | ||
117 | typedef enum TimerState { | |
118 | TIMER_DEAD, | |
119 | TIMER_BEFORE, | |
120 | TIMER_START_PRE, | |
121 | TIMER_START, | |
122 | TIMER_START_POST, | |
123 | TIMER_WAITING, | |
124 | TIMER_RUNNING, | |
125 | TIMER_STOP_PRE, | |
126 | TIMER_STOP, | |
127 | TIMER_STOP_POST, | |
128 | TIMER_MAINTAINANCE | |
129 | } TimerState; | |
130 | ||
131 | struct Timer { | |
132 | Meta meta; | |
133 | ||
134 | TimerState state; | |
135 | Service *subject; | |
136 | ||
137 | clockid_t clock_id; | |
138 | usec_t next_elapse; | |
139 | }; | |
140 | ||
141 | typedef enum SocketState { | |
142 | SOCKET_DEAD, | |
143 | SOCKET_BEFORE, | |
144 | SOCKET_START_PRE, | |
145 | SOCKET_START, | |
146 | SOCKET_START_POST, | |
147 | SOCKET_LISTENING, | |
148 | SOCKET_RUNNING, | |
149 | SOCKET_STOP_PRE, | |
150 | SOCKET_STOP, | |
151 | SOCKET_STOP_POST, | |
42f4e3c4 LP |
152 | SOCKET_MAINTAINANCE, |
153 | _SOCKET_STATE_MAX | |
60918275 LP |
154 | } SocketState; |
155 | ||
156 | struct Socket { | |
157 | Meta meta; | |
158 | ||
159 | SocketState state; | |
42f4e3c4 LP |
160 | |
161 | Address address; | |
60918275 LP |
162 | int *fds; |
163 | unsigned n_fds; | |
164 | ||
165 | Service *subject; | |
166 | }; | |
167 | ||
168 | typedef enum MilestoneState { | |
169 | MILESTONE_DEAD, | |
170 | MILESTONE_BEFORE, | |
171 | MILESTONE_ACTIVE | |
172 | } MilestoneState; | |
173 | ||
174 | struct Milestone { | |
175 | Meta meta; | |
176 | ||
177 | MilestoneState state; | |
178 | }; | |
179 | ||
180 | typedef enum DeviceState { | |
181 | DEVICE_DEAD, | |
182 | DEVICE_BEFORE, | |
183 | DEVICE_AVAILABLE | |
184 | } DeviceState; | |
185 | ||
186 | struct Device { | |
187 | Meta meta; | |
188 | ||
189 | DeviceState state; | |
190 | char *sysfs; | |
191 | }; | |
192 | ||
193 | typedef enum MountState { | |
194 | MOUNT_DEAD, | |
195 | MOUNT_BEFORE, | |
196 | MOUNT_MOUNTED | |
197 | } MountState; | |
198 | ||
199 | struct Mount { | |
200 | Meta meta; | |
201 | ||
202 | MountState state; | |
203 | char *path; | |
204 | }; | |
205 | ||
206 | typedef enum AutomountState { | |
207 | AUTOMOUNT_DEAD, | |
208 | AUTOMOUNT_BEFORE, | |
209 | AUTOMOUNT_START_PRE, | |
210 | AUTOMOUNT_START, | |
211 | AUTOMOUNT_START_POST, | |
212 | AUTOMOUNT_WAITING, | |
213 | AUTOMOUNT_RUNNING, | |
214 | AUTOMOUNT_STOP_PRE, | |
215 | AUTOMOUNT_STOP, | |
216 | AUTOMOUNT_STOP_POST, | |
217 | AUTOMOUNT_MAINTAINANCE | |
218 | } AutomountState; | |
219 | ||
220 | struct Automount { | |
221 | Meta meta; | |
222 | ||
223 | AutomountState state; | |
224 | char *path; | |
225 | Mount *subject; | |
226 | }; | |
227 | ||
228 | typedef enum SnapshotState { | |
229 | SNAPSHOT_DEAD, | |
230 | SNAPSHOT_BEFORE, | |
231 | SNAPSHOT_ACTIVE | |
232 | } SnapshotState; | |
233 | ||
234 | struct Snapshot { | |
235 | Meta meta; | |
236 | ||
237 | SnapshotState state; | |
238 | bool cleanup:1; | |
239 | }; | |
240 | ||
241 | union Name { | |
242 | Meta meta; | |
243 | Service service; | |
244 | Timer timer; | |
245 | Socket socket; | |
246 | Milestone milestone; | |
247 | Device device; | |
248 | Mount mount; | |
249 | Automount automount; | |
250 | Snapshot snapshot; | |
251 | }; | |
252 | ||
253 | /* For casting a name into the various name types */ | |
254 | ||
255 | #define DEFINE_CAST(UPPERCASE, MixedCase, lowercase) \ | |
256 | static inline MixedCase* UPPERCASE(Name *name) { \ | |
257 | if (name->meta.type != NAME_##UPPERCASE) \ | |
258 | return NULL; \ | |
259 | \ | |
260 | return &name->lowercase; \ | |
261 | } | |
262 | ||
263 | DEFINE_CAST(SERVICE, Service, service); | |
264 | DEFINE_CAST(TIMER, Timer, timer); | |
265 | DEFINE_CAST(SOCKET, Socket, socket); | |
266 | DEFINE_CAST(MILESTONE, Milestone, milestone); | |
267 | DEFINE_CAST(DEVICE, Device, device); | |
268 | DEFINE_CAST(MOUNT, Mount, mount); | |
269 | DEFINE_CAST(AUTOMOUNT, Automount, automount); | |
270 | DEFINE_CAST(SNAPSHOT, Snapshot, snapshot); | |
271 | ||
272 | /* For casting the various name types into a name */ | |
273 | #define NAME(o) ((Name*) (o)) | |
274 | ||
275 | bool name_is_ready(Name *name); | |
276 | NameType name_type_from_string(const char *n); | |
07232470 | 277 | bool name_is_valid(const char *n); |
60918275 LP |
278 | |
279 | Name *name_new(Manager *m); | |
280 | void name_free(Name *name); | |
281 | int name_link(Name *name); | |
e5b5ae50 | 282 | int name_link_names(Name *name, bool replace); |
87d1515d | 283 | int name_merge(Name *name, Name *other); |
60918275 | 284 | int name_augment(Name *n); |
a66d02c3 LP |
285 | const char* name_id(Name *n); |
286 | ||
287 | void name_dump(Name *n, FILE *f); | |
60918275 LP |
288 | |
289 | #endif |