src/basic/unit-def.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6 ***/
   7
   8 #include "alloc-util.h"
   9 #include "bus-label.h"
  10 #include "string-table.h"
  11 #include "unit-def.h"
  12 #include "unit-name.h"
  13
  14 char *unit_dbus_path_from_name(const char *name) {
  15         _cleanup_free_ char *e = NULL;
  16
  17         assert(name);
  18
  19         e = bus_label_escape(name);
  20         if (!e)
  21                 return NULL;
  22
  23         return strappend("/org/freedesktop/systemd1/unit/", e);
  24 }
  25
  26 int unit_name_from_dbus_path(const char *path, char **name) {
  27         const char *e;
  28         char *n;
  29
  30         e = startswith(path, "/org/freedesktop/systemd1/unit/");
  31         if (!e)
  32                 return -EINVAL;
  33
  34         n = bus_label_unescape(e);
  35         if (!n)
  36                 return -ENOMEM;
  37
  38         *name = n;
  39         return 0;
  40 }
  41
  42 const char* unit_dbus_interface_from_type(UnitType t) {
  43
  44         static const char *const table[_UNIT_TYPE_MAX] = {
  45                 [UNIT_SERVICE] = "org.freedesktop.systemd1.Service",
  46                 [UNIT_SOCKET] = "org.freedesktop.systemd1.Socket",
  47                 [UNIT_TARGET] = "org.freedesktop.systemd1.Target",
  48                 [UNIT_DEVICE] = "org.freedesktop.systemd1.Device",
  49                 [UNIT_MOUNT] = "org.freedesktop.systemd1.Mount",
  50                 [UNIT_AUTOMOUNT] = "org.freedesktop.systemd1.Automount",
  51                 [UNIT_SWAP] = "org.freedesktop.systemd1.Swap",
  52                 [UNIT_TIMER] = "org.freedesktop.systemd1.Timer",
  53                 [UNIT_PATH] = "org.freedesktop.systemd1.Path",
  54                 [UNIT_SLICE] = "org.freedesktop.systemd1.Slice",
  55                 [UNIT_SCOPE] = "org.freedesktop.systemd1.Scope",
  56         };
  57
  58         if (t < 0)
  59                 return NULL;
  60         if (t >= _UNIT_TYPE_MAX)
  61                 return NULL;
  62
  63         return table[t];
  64 }
  65
  66 const char *unit_dbus_interface_from_name(const char *name) {
  67         UnitType t;
  68
  69         t = unit_name_to_type(name);
  70         if (t < 0)
  71                 return NULL;
  72
  73         return unit_dbus_interface_from_type(t);
  74 }
  75
  76 static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
  77         [UNIT_SERVICE] = "service",
  78         [UNIT_SOCKET] = "socket",
  79         [UNIT_TARGET] = "target",
  80         [UNIT_DEVICE] = "device",
  81         [UNIT_MOUNT] = "mount",
  82         [UNIT_AUTOMOUNT] = "automount",
  83         [UNIT_SWAP] = "swap",
  84         [UNIT_TIMER] = "timer",
  85         [UNIT_PATH] = "path",
  86         [UNIT_SLICE] = "slice",
  87         [UNIT_SCOPE] = "scope",
  88 };
  89
  90 DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
  91
  92 static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
  93         [UNIT_STUB] = "stub",
  94         [UNIT_LOADED] = "loaded",
  95         [UNIT_NOT_FOUND] = "not-found",
  96         [UNIT_BAD_SETTING] = "bad-setting",
  97         [UNIT_ERROR] = "error",
  98         [UNIT_MERGED] = "merged",
  99         [UNIT_MASKED] = "masked"
 100 };
 101
 102 DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
 103
 104 static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
 105         [UNIT_ACTIVE] = "active",
 106         [UNIT_RELOADING] = "reloading",
 107         [UNIT_INACTIVE] = "inactive",
 108         [UNIT_FAILED] = "failed",
 109         [UNIT_ACTIVATING] = "activating",
 110         [UNIT_DEACTIVATING] = "deactivating"
 111 };
 112
 113 DEFINE_STRING_TABLE_LOOKUP(unit_active_state, UnitActiveState);
 114
 115 static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = {
 116         [AUTOMOUNT_DEAD] = "dead",
 117         [AUTOMOUNT_WAITING] = "waiting",
 118         [AUTOMOUNT_RUNNING] = "running",
 119         [AUTOMOUNT_FAILED] = "failed"
 120 };
 121
 122 DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState);
 123
 124 static const char* const device_state_table[_DEVICE_STATE_MAX] = {
 125         [DEVICE_DEAD] = "dead",
 126         [DEVICE_TENTATIVE] = "tentative",
 127         [DEVICE_PLUGGED] = "plugged",
 128 };
 129
 130 DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState);
 131
 132 static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
 133         [MOUNT_DEAD] = "dead",
 134         [MOUNT_MOUNTING] = "mounting",
 135         [MOUNT_MOUNTING_DONE] = "mounting-done",
 136         [MOUNT_MOUNTED] = "mounted",
 137         [MOUNT_REMOUNTING] = "remounting",
 138         [MOUNT_UNMOUNTING] = "unmounting",
 139         [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm",
 140         [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
 141         [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
 142         [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
 143         [MOUNT_FAILED] = "failed"
 144 };
 145
 146 DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
 147
 148 static const char* const path_state_table[_PATH_STATE_MAX] = {
 149         [PATH_DEAD] = "dead",
 150         [PATH_WAITING] = "waiting",
 151         [PATH_RUNNING] = "running",
 152         [PATH_FAILED] = "failed"
 153 };
 154
 155 DEFINE_STRING_TABLE_LOOKUP(path_state, PathState);
 156
 157 static const char* const scope_state_table[_SCOPE_STATE_MAX] = {
 158         [SCOPE_DEAD] = "dead",
 159         [SCOPE_RUNNING] = "running",
 160         [SCOPE_ABANDONED] = "abandoned",
 161         [SCOPE_STOP_SIGTERM] = "stop-sigterm",
 162         [SCOPE_STOP_SIGKILL] = "stop-sigkill",
 163         [SCOPE_FAILED] = "failed",
 164 };
 165
 166 DEFINE_STRING_TABLE_LOOKUP(scope_state, ScopeState);
 167
 168 static const char* const service_state_table[_SERVICE_STATE_MAX] = {
 169         [SERVICE_DEAD] = "dead",
 170         [SERVICE_START_PRE] = "start-pre",
 171         [SERVICE_START] = "start",
 172         [SERVICE_START_POST] = "start-post",
 173         [SERVICE_RUNNING] = "running",
 174         [SERVICE_EXITED] = "exited",
 175         [SERVICE_RELOAD] = "reload",
 176         [SERVICE_STOP] = "stop",
 177         [SERVICE_STOP_SIGABRT] = "stop-sigabrt",
 178         [SERVICE_STOP_SIGTERM] = "stop-sigterm",
 179         [SERVICE_STOP_SIGKILL] = "stop-sigkill",
 180         [SERVICE_STOP_POST] = "stop-post",
 181         [SERVICE_FINAL_SIGTERM] = "final-sigterm",
 182         [SERVICE_FINAL_SIGKILL] = "final-sigkill",
 183         [SERVICE_FAILED] = "failed",
 184         [SERVICE_AUTO_RESTART] = "auto-restart",
 185 };
 186
 187 DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
 188
 189 static const char* const slice_state_table[_SLICE_STATE_MAX] = {
 190         [SLICE_DEAD] = "dead",
 191         [SLICE_ACTIVE] = "active"
 192 };
 193
 194 DEFINE_STRING_TABLE_LOOKUP(slice_state, SliceState);
 195
 196 static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
 197         [SOCKET_DEAD] = "dead",
 198         [SOCKET_START_PRE] = "start-pre",
 199         [SOCKET_START_CHOWN] = "start-chown",
 200         [SOCKET_START_POST] = "start-post",
 201         [SOCKET_LISTENING] = "listening",
 202         [SOCKET_RUNNING] = "running",
 203         [SOCKET_STOP_PRE] = "stop-pre",
 204         [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
 205         [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
 206         [SOCKET_STOP_POST] = "stop-post",
 207         [SOCKET_FINAL_SIGTERM] = "final-sigterm",
 208         [SOCKET_FINAL_SIGKILL] = "final-sigkill",
 209         [SOCKET_FAILED] = "failed"
 210 };
 211
 212 DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
 213
 214 static const char* const swap_state_table[_SWAP_STATE_MAX] = {
 215         [SWAP_DEAD] = "dead",
 216         [SWAP_ACTIVATING] = "activating",
 217         [SWAP_ACTIVATING_DONE] = "activating-done",
 218         [SWAP_ACTIVE] = "active",
 219         [SWAP_DEACTIVATING] = "deactivating",
 220         [SWAP_DEACTIVATING_SIGTERM] = "deactivating-sigterm",
 221         [SWAP_DEACTIVATING_SIGKILL] = "deactivating-sigkill",
 222         [SWAP_FAILED] = "failed"
 223 };
 224
 225 DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState);
 226
 227 static const char* const target_state_table[_TARGET_STATE_MAX] = {
 228         [TARGET_DEAD] = "dead",
 229         [TARGET_ACTIVE] = "active"
 230 };
 231
 232 DEFINE_STRING_TABLE_LOOKUP(target_state, TargetState);
 233
 234 static const char* const timer_state_table[_TIMER_STATE_MAX] = {
 235         [TIMER_DEAD] = "dead",
 236         [TIMER_WAITING] = "waiting",
 237         [TIMER_RUNNING] = "running",
 238         [TIMER_ELAPSED] = "elapsed",
 239         [TIMER_FAILED] = "failed"
 240 };
 241
 242 DEFINE_STRING_TABLE_LOOKUP(timer_state, TimerState);
 243
 244 static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = {
 245         [UNIT_REQUIRES] = "Requires",
 246         [UNIT_REQUISITE] = "Requisite",
 247         [UNIT_WANTS] = "Wants",
 248         [UNIT_BINDS_TO] = "BindsTo",
 249         [UNIT_PART_OF] = "PartOf",
 250         [UNIT_REQUIRED_BY] = "RequiredBy",
 251         [UNIT_REQUISITE_OF] = "RequisiteOf",
 252         [UNIT_WANTED_BY] = "WantedBy",
 253         [UNIT_BOUND_BY] = "BoundBy",
 254         [UNIT_CONSISTS_OF] = "ConsistsOf",
 255         [UNIT_CONFLICTS] = "Conflicts",
 256         [UNIT_CONFLICTED_BY] = "ConflictedBy",
 257         [UNIT_BEFORE] = "Before",
 258         [UNIT_AFTER] = "After",
 259         [UNIT_ON_FAILURE] = "OnFailure",
 260         [UNIT_TRIGGERS] = "Triggers",
 261         [UNIT_TRIGGERED_BY] = "TriggeredBy",
 262         [UNIT_PROPAGATES_RELOAD_TO] = "PropagatesReloadTo",
 263         [UNIT_RELOAD_PROPAGATED_FROM] = "ReloadPropagatedFrom",
 264         [UNIT_JOINS_NAMESPACE_OF] = "JoinsNamespaceOf",
 265         [UNIT_REFERENCES] = "References",
 266         [UNIT_REFERENCED_BY] = "ReferencedBy",
 267 };
 268
 269 DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
 270
 271 static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
 272         [NOTIFY_NONE] = "none",
 273         [NOTIFY_MAIN] = "main",
 274         [NOTIFY_EXEC] = "exec",
 275         [NOTIFY_ALL] = "all"
 276 };
 277
 278 DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);