7a7ec2bf71
No reason to make them look like macros.
243 lines
7.8 KiB
C
243 lines
7.8 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef enum UnitFileScope UnitFileScope;
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typedef enum UnitFileState UnitFileState;
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typedef enum UnitFilePresetMode UnitFilePresetMode;
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typedef enum UnitFileChangeType UnitFileChangeType;
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typedef enum UnitFileFlags UnitFileFlags;
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typedef enum UnitFileType UnitFileType;
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typedef struct UnitFileChange UnitFileChange;
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typedef struct UnitFileList UnitFileList;
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typedef struct UnitFileInstallInfo UnitFileInstallInfo;
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#include <stdbool.h>
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#include "hashmap.h"
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#include "macro.h"
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#include "path-lookup.h"
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#include "strv.h"
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#include "unit-name.h"
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enum UnitFileScope {
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UNIT_FILE_SYSTEM,
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UNIT_FILE_GLOBAL,
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UNIT_FILE_USER,
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_UNIT_FILE_SCOPE_MAX,
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_UNIT_FILE_SCOPE_INVALID = -1
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};
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enum UnitFileState {
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UNIT_FILE_ENABLED,
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UNIT_FILE_ENABLED_RUNTIME,
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UNIT_FILE_LINKED,
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UNIT_FILE_LINKED_RUNTIME,
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UNIT_FILE_MASKED,
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UNIT_FILE_MASKED_RUNTIME,
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UNIT_FILE_STATIC,
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UNIT_FILE_DISABLED,
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UNIT_FILE_INDIRECT,
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UNIT_FILE_GENERATED,
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UNIT_FILE_TRANSIENT,
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UNIT_FILE_BAD,
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_UNIT_FILE_STATE_MAX,
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_UNIT_FILE_STATE_INVALID = -1
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};
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enum UnitFilePresetMode {
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UNIT_FILE_PRESET_FULL,
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UNIT_FILE_PRESET_ENABLE_ONLY,
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UNIT_FILE_PRESET_DISABLE_ONLY,
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_UNIT_FILE_PRESET_MAX,
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_UNIT_FILE_PRESET_INVALID = -1
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};
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enum UnitFileChangeType {
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UNIT_FILE_SYMLINK,
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UNIT_FILE_UNLINK,
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UNIT_FILE_IS_MASKED,
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UNIT_FILE_IS_DANGLING,
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_UNIT_FILE_CHANGE_TYPE_MAX,
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_UNIT_FILE_CHANGE_INVALID = INT_MIN
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};
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enum UnitFileFlags {
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UNIT_FILE_RUNTIME = 1,
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UNIT_FILE_FORCE = 1 << 1,
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UNIT_FILE_DRY_RUN = 1 << 2,
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};
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/* type can either one of the UnitFileChangeTypes listed above, or a negative error.
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* If source is specified, it should be the contents of the path symlink.
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* In case of an error, source should be the existing symlink contents or NULL
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*/
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struct UnitFileChange {
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int type; /* UnitFileChangeType or bust */
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char *path;
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char *source;
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};
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static inline bool unit_file_changes_have_modification(const UnitFileChange* changes, unsigned n_changes) {
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unsigned i;
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for (i = 0; i < n_changes; i++)
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if (IN_SET(changes[i].type, UNIT_FILE_SYMLINK, UNIT_FILE_UNLINK))
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return true;
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return false;
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}
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struct UnitFileList {
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char *path;
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UnitFileState state;
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};
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enum UnitFileType {
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UNIT_FILE_TYPE_REGULAR,
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UNIT_FILE_TYPE_SYMLINK,
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UNIT_FILE_TYPE_MASKED,
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_UNIT_FILE_TYPE_MAX,
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_UNIT_FILE_TYPE_INVALID = -1,
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};
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struct UnitFileInstallInfo {
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char *name;
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char *path;
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char **aliases;
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char **wanted_by;
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char **required_by;
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char **also;
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char *default_instance;
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char *symlink_target;
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UnitFileType type;
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bool auxiliary;
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};
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bool unit_type_may_alias(UnitType type) _const_;
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bool unit_type_may_template(UnitType type) _const_;
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int unit_file_enable(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_disable(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_reenable(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_preset(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFilePresetMode mode,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_preset_all(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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UnitFilePresetMode mode,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_mask(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_unmask(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_link(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_revert(
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UnitFileScope scope,
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const char *root_dir,
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char **files,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_set_default(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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const char *file,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_get_default(
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UnitFileScope scope,
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const char *root_dir,
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char **name);
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int unit_file_add_dependency(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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char **files,
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const char *target,
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UnitDependency dep,
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UnitFileChange **changes,
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unsigned *n_changes);
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int unit_file_get_state(UnitFileScope scope, const char *root_dir, const char *filename, UnitFileState *ret);
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int unit_file_exists(UnitFileScope scope, const LookupPaths *paths, const char *name);
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int unit_file_get_list(UnitFileScope scope, const char *root_dir, Hashmap *h, char **states, char **patterns);
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Hashmap* unit_file_list_free(Hashmap *h);
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int unit_file_changes_add(UnitFileChange **changes, unsigned *n_changes, UnitFileChangeType type, const char *path, const char *source);
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void unit_file_changes_free(UnitFileChange *changes, unsigned n_changes);
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void unit_file_dump_changes(int r, const char *verb, const UnitFileChange *changes, unsigned n_changes, bool quiet);
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int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name);
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const char *unit_file_state_to_string(UnitFileState s) _const_;
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UnitFileState unit_file_state_from_string(const char *s) _pure_;
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/* from_string conversion is unreliable because of the overlap between -EPERM and -1 for error. */
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const char *unit_file_change_type_to_string(UnitFileChangeType s) _const_;
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UnitFileChangeType unit_file_change_type_from_string(const char *s) _pure_;
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const char *unit_file_preset_mode_to_string(UnitFilePresetMode m) _const_;
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UnitFilePresetMode unit_file_preset_mode_from_string(const char *s) _pure_;
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