src/basic/unit-def.c

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