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[thirdparty/systemd.git] / src / basic / unit-def.c
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db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
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2
3#include "alloc-util.h"
4#include "bus-label.h"
5#include "string-table.h"
6#include "unit-def.h"
7#include "unit-name.h"
8
ff3f2953 9char* unit_dbus_path_from_name(const char *name) {
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10 _cleanup_free_ char *e = NULL;
11
12 assert(name);
13
14 e = bus_label_escape(name);
15 if (!e)
16 return NULL;
17
b910cc72 18 return strjoin("/org/freedesktop/systemd1/unit/", e);
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19}
20
21int unit_name_from_dbus_path(const char *path, char **name) {
22 const char *e;
23 char *n;
24
25 e = startswith(path, "/org/freedesktop/systemd1/unit/");
26 if (!e)
27 return -EINVAL;
28
29 n = bus_label_unescape(e);
30 if (!n)
31 return -ENOMEM;
32
33 *name = n;
34 return 0;
35}
36
37const char* unit_dbus_interface_from_type(UnitType t) {
38
39 static const char *const table[_UNIT_TYPE_MAX] = {
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40 [UNIT_SERVICE] = "org.freedesktop.systemd1.Service",
41 [UNIT_SOCKET] = "org.freedesktop.systemd1.Socket",
42 [UNIT_TARGET] = "org.freedesktop.systemd1.Target",
43 [UNIT_DEVICE] = "org.freedesktop.systemd1.Device",
44 [UNIT_MOUNT] = "org.freedesktop.systemd1.Mount",
523578aa 45 [UNIT_AUTOMOUNT] = "org.freedesktop.systemd1.Automount",
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46 [UNIT_SWAP] = "org.freedesktop.systemd1.Swap",
47 [UNIT_TIMER] = "org.freedesktop.systemd1.Timer",
48 [UNIT_PATH] = "org.freedesktop.systemd1.Path",
49 [UNIT_SLICE] = "org.freedesktop.systemd1.Slice",
50 [UNIT_SCOPE] = "org.freedesktop.systemd1.Scope",
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51 };
52
53 if (t < 0)
54 return NULL;
55 if (t >= _UNIT_TYPE_MAX)
56 return NULL;
57
58 return table[t];
59}
60
bfd5a068 61const char* unit_dbus_interface_from_name(const char *name) {
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62 UnitType t;
63
64 t = unit_name_to_type(name);
65 if (t < 0)
66 return NULL;
67
68 return unit_dbus_interface_from_type(t);
69}
70
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71const char* unit_type_to_capitalized_string(UnitType t) {
72 const char *di = unit_dbus_interface_from_type(t);
73 if (!di)
74 return NULL;
75
76 return ASSERT_PTR(startswith(di, "org.freedesktop.systemd1."));
77}
78
523578aa 79static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
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80 [UNIT_SERVICE] = "service",
81 [UNIT_SOCKET] = "socket",
82 [UNIT_TARGET] = "target",
83 [UNIT_DEVICE] = "device",
84 [UNIT_MOUNT] = "mount",
523578aa 85 [UNIT_AUTOMOUNT] = "automount",
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86 [UNIT_SWAP] = "swap",
87 [UNIT_TIMER] = "timer",
88 [UNIT_PATH] = "path",
89 [UNIT_SLICE] = "slice",
90 [UNIT_SCOPE] = "scope",
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91};
92
93DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
94
95static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
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96 [UNIT_STUB] = "stub",
97 [UNIT_LOADED] = "loaded",
98 [UNIT_NOT_FOUND] = "not-found",
c4555ad8 99 [UNIT_BAD_SETTING] = "bad-setting",
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100 [UNIT_ERROR] = "error",
101 [UNIT_MERGED] = "merged",
0966933b 102 [UNIT_MASKED] = "masked",
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103};
104
105DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
106
107static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
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108 [UNIT_ACTIVE] = "active",
109 [UNIT_RELOADING] = "reloading",
110 [UNIT_INACTIVE] = "inactive",
111 [UNIT_FAILED] = "failed",
112 [UNIT_ACTIVATING] = "activating",
380dc8b0 113 [UNIT_DEACTIVATING] = "deactivating",
ef674d0e 114 [UNIT_MAINTENANCE] = "maintenance",
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115};
116
117DEFINE_STRING_TABLE_LOOKUP(unit_active_state, UnitActiveState);
118
d9e45bc3 119static const char* const freezer_state_table[_FREEZER_STATE_MAX] = {
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120 [FREEZER_RUNNING] = "running",
121 [FREEZER_FREEZING] = "freezing",
122 [FREEZER_FREEZING_BY_PARENT] = "freezing-by-parent",
123 [FREEZER_FROZEN] = "frozen",
124 [FREEZER_FROZEN_BY_PARENT] = "frozen-by-parent",
125 [FREEZER_THAWING] = "thawing",
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126};
127
128DEFINE_STRING_TABLE_LOOKUP(freezer_state, FreezerState);
129
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130/* Maps in-progress freezer states to the corresponding finished state */
131static const FreezerState freezer_state_finish_table[_FREEZER_STATE_MAX] = {
132 [FREEZER_FREEZING] = FREEZER_FROZEN,
133 [FREEZER_FREEZING_BY_PARENT] = FREEZER_FROZEN_BY_PARENT,
134 [FREEZER_THAWING] = FREEZER_RUNNING,
135
136 /* Finished states trivially map to themselves */
137 [FREEZER_RUNNING] = FREEZER_RUNNING,
138 [FREEZER_FROZEN] = FREEZER_FROZEN,
139 [FREEZER_FROZEN_BY_PARENT] = FREEZER_FROZEN_BY_PARENT,
140};
141
142FreezerState freezer_state_finish(FreezerState state) {
143 assert(state >= 0 && state < _FREEZER_STATE_MAX);
144 return freezer_state_finish_table[state];
145}
146
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147static const char* const unit_marker_table[_UNIT_MARKER_MAX] = {
148 [UNIT_MARKER_NEEDS_RELOAD] = "needs-reload",
149 [UNIT_MARKER_NEEDS_RESTART] = "needs-restart",
150};
151
152DEFINE_STRING_TABLE_LOOKUP(unit_marker, UnitMarker);
153
523578aa 154static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = {
ef674d0e 155 [AUTOMOUNT_DEAD] = "dead",
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156 [AUTOMOUNT_WAITING] = "waiting",
157 [AUTOMOUNT_RUNNING] = "running",
0966933b 158 [AUTOMOUNT_FAILED] = "failed",
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159};
160
161DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState);
162
163static const char* const device_state_table[_DEVICE_STATE_MAX] = {
ef674d0e 164 [DEVICE_DEAD] = "dead",
523578aa 165 [DEVICE_TENTATIVE] = "tentative",
ef674d0e 166 [DEVICE_PLUGGED] = "plugged",
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167};
168
169DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState);
170
171static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
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172 [MOUNT_DEAD] = "dead",
173 [MOUNT_MOUNTING] = "mounting",
174 [MOUNT_MOUNTING_DONE] = "mounting-done",
175 [MOUNT_MOUNTED] = "mounted",
176 [MOUNT_REMOUNTING] = "remounting",
177 [MOUNT_UNMOUNTING] = "unmounting",
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178 [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm",
179 [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
180 [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
181 [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
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182 [MOUNT_FAILED] = "failed",
183 [MOUNT_CLEANING] = "cleaning",
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184};
185
186DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
187
188static const char* const path_state_table[_PATH_STATE_MAX] = {
ef674d0e 189 [PATH_DEAD] = "dead",
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190 [PATH_WAITING] = "waiting",
191 [PATH_RUNNING] = "running",
0966933b 192 [PATH_FAILED] = "failed",
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193};
194
195DEFINE_STRING_TABLE_LOOKUP(path_state, PathState);
196
197static const char* const scope_state_table[_SCOPE_STATE_MAX] = {
ef674d0e 198 [SCOPE_DEAD] = "dead",
03860190 199 [SCOPE_START_CHOWN] = "start-chown",
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200 [SCOPE_RUNNING] = "running",
201 [SCOPE_ABANDONED] = "abandoned",
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202 [SCOPE_STOP_SIGTERM] = "stop-sigterm",
203 [SCOPE_STOP_SIGKILL] = "stop-sigkill",
ef674d0e 204 [SCOPE_FAILED] = "failed",
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205};
206
207DEFINE_STRING_TABLE_LOOKUP(scope_state, ScopeState);
208
209static const char* const service_state_table[_SERVICE_STATE_MAX] = {
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210 [SERVICE_DEAD] = "dead",
211 [SERVICE_CONDITION] = "condition",
212 [SERVICE_START_PRE] = "start-pre",
213 [SERVICE_START] = "start",
214 [SERVICE_START_POST] = "start-post",
215 [SERVICE_RUNNING] = "running",
216 [SERVICE_EXITED] = "exited",
217 [SERVICE_RELOAD] = "reload",
218 [SERVICE_RELOAD_SIGNAL] = "reload-signal",
219 [SERVICE_RELOAD_NOTIFY] = "reload-notify",
220 [SERVICE_STOP] = "stop",
221 [SERVICE_STOP_WATCHDOG] = "stop-watchdog",
222 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
223 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
224 [SERVICE_STOP_POST] = "stop-post",
225 [SERVICE_FINAL_WATCHDOG] = "final-watchdog",
226 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
227 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
228 [SERVICE_FAILED] = "failed",
229 [SERVICE_DEAD_BEFORE_AUTO_RESTART] = "dead-before-auto-restart",
230 [SERVICE_FAILED_BEFORE_AUTO_RESTART] = "failed-before-auto-restart",
b9c1883a 231 [SERVICE_DEAD_RESOURCES_PINNED] = "dead-resources-pinned",
a1d31573 232 [SERVICE_AUTO_RESTART] = "auto-restart",
09d04ad3 233 [SERVICE_AUTO_RESTART_QUEUED] = "auto-restart-queued",
a1d31573 234 [SERVICE_CLEANING] = "cleaning",
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235};
236
237DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
238
239static const char* const slice_state_table[_SLICE_STATE_MAX] = {
ef674d0e 240 [SLICE_DEAD] = "dead",
0966933b 241 [SLICE_ACTIVE] = "active",
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242};
243
244DEFINE_STRING_TABLE_LOOKUP(slice_state, SliceState);
245
246static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
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247 [SOCKET_DEAD] = "dead",
248 [SOCKET_START_PRE] = "start-pre",
249 [SOCKET_START_CHOWN] = "start-chown",
250 [SOCKET_START_POST] = "start-post",
251 [SOCKET_LISTENING] = "listening",
252 [SOCKET_RUNNING] = "running",
253 [SOCKET_STOP_PRE] = "stop-pre",
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254 [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
255 [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
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256 [SOCKET_STOP_POST] = "stop-post",
257 [SOCKET_FINAL_SIGTERM] = "final-sigterm",
258 [SOCKET_FINAL_SIGKILL] = "final-sigkill",
259 [SOCKET_FAILED] = "failed",
260 [SOCKET_CLEANING] = "cleaning",
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261};
262
263DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
264
265static const char* const swap_state_table[_SWAP_STATE_MAX] = {
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266 [SWAP_DEAD] = "dead",
267 [SWAP_ACTIVATING] = "activating",
268 [SWAP_ACTIVATING_DONE] = "activating-done",
269 [SWAP_ACTIVE] = "active",
270 [SWAP_DEACTIVATING] = "deactivating",
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271 [SWAP_DEACTIVATING_SIGTERM] = "deactivating-sigterm",
272 [SWAP_DEACTIVATING_SIGKILL] = "deactivating-sigkill",
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273 [SWAP_FAILED] = "failed",
274 [SWAP_CLEANING] = "cleaning",
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275};
276
277DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState);
278
279static const char* const target_state_table[_TARGET_STATE_MAX] = {
ef674d0e 280 [TARGET_DEAD] = "dead",
0966933b 281 [TARGET_ACTIVE] = "active",
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282};
283
284DEFINE_STRING_TABLE_LOOKUP(target_state, TargetState);
285
286static const char* const timer_state_table[_TIMER_STATE_MAX] = {
ef674d0e 287 [TIMER_DEAD] = "dead",
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288 [TIMER_WAITING] = "waiting",
289 [TIMER_RUNNING] = "running",
290 [TIMER_ELAPSED] = "elapsed",
0966933b 291 [TIMER_FAILED] = "failed",
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292};
293
294DEFINE_STRING_TABLE_LOOKUP(timer_state, TimerState);
295
296static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = {
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297 [UNIT_REQUIRES] = "Requires",
298 [UNIT_REQUISITE] = "Requisite",
299 [UNIT_WANTS] = "Wants",
300 [UNIT_BINDS_TO] = "BindsTo",
301 [UNIT_PART_OF] = "PartOf",
302 [UNIT_UPHOLDS] = "Upholds",
303 [UNIT_REQUIRED_BY] = "RequiredBy",
304 [UNIT_REQUISITE_OF] = "RequisiteOf",
305 [UNIT_WANTED_BY] = "WantedBy",
306 [UNIT_BOUND_BY] = "BoundBy",
307 [UNIT_UPHELD_BY] = "UpheldBy",
308 [UNIT_CONSISTS_OF] = "ConsistsOf",
309 [UNIT_CONFLICTS] = "Conflicts",
310 [UNIT_CONFLICTED_BY] = "ConflictedBy",
311 [UNIT_BEFORE] = "Before",
312 [UNIT_AFTER] = "After",
313 [UNIT_ON_SUCCESS] = "OnSuccess",
314 [UNIT_ON_SUCCESS_OF] = "OnSuccessOf",
315 [UNIT_ON_FAILURE] = "OnFailure",
316 [UNIT_ON_FAILURE_OF] = "OnFailureOf",
317 [UNIT_TRIGGERS] = "Triggers",
318 [UNIT_TRIGGERED_BY] = "TriggeredBy",
319 [UNIT_PROPAGATES_RELOAD_TO] = "PropagatesReloadTo",
523578aa 320 [UNIT_RELOAD_PROPAGATED_FROM] = "ReloadPropagatedFrom",
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321 [UNIT_PROPAGATES_STOP_TO] = "PropagatesStopTo",
322 [UNIT_STOP_PROPAGATED_FROM] = "StopPropagatedFrom",
323 [UNIT_JOINS_NAMESPACE_OF] = "JoinsNamespaceOf",
324 [UNIT_REFERENCES] = "References",
325 [UNIT_REFERENCED_BY] = "ReferencedBy",
326 [UNIT_IN_SLICE] = "InSlice",
327 [UNIT_SLICE_OF] = "SliceOf",
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328};
329
330DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
331
332static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
333 [NOTIFY_NONE] = "none",
334 [NOTIFY_MAIN] = "main",
335 [NOTIFY_EXEC] = "exec",
0966933b 336 [NOTIFY_ALL] = "all",
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337};
338
339DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
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340
341SpecialGlyph unit_active_state_to_glyph(UnitActiveState state) {
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342 static const SpecialGlyph map[_UNIT_ACTIVE_STATE_MAX] = {
343 [UNIT_ACTIVE] = SPECIAL_GLYPH_BLACK_CIRCLE,
344 [UNIT_RELOADING] = SPECIAL_GLYPH_CIRCLE_ARROW,
345 [UNIT_INACTIVE] = SPECIAL_GLYPH_WHITE_CIRCLE,
346 [UNIT_FAILED] = SPECIAL_GLYPH_MULTIPLICATION_SIGN,
347 [UNIT_ACTIVATING] = SPECIAL_GLYPH_BLACK_CIRCLE,
348 [UNIT_DEACTIVATING] = SPECIAL_GLYPH_BLACK_CIRCLE,
349 [UNIT_MAINTENANCE] = SPECIAL_GLYPH_WHITE_CIRCLE,
350 };
351
352 if (state < 0)
353 return _SPECIAL_GLYPH_INVALID;
354
355 assert(state < _UNIT_ACTIVE_STATE_MAX);
356 return map[state];
9ae5fed6 357}