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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include "macro.h"
#define UNIT_NAME_MAX 256
typedef enum UnitType UnitType;
typedef enum UnitLoadState UnitLoadState;
typedef enum UnitDependency UnitDependency;
enum UnitType {
UNIT_SERVICE = 0,
UNIT_SOCKET,
UNIT_BUSNAME,
UNIT_TARGET,
UNIT_SNAPSHOT,
UNIT_DEVICE,
UNIT_MOUNT,
UNIT_AUTOMOUNT,
UNIT_SWAP,
UNIT_TIMER,
UNIT_PATH,
UNIT_SLICE,
UNIT_SCOPE,
_UNIT_TYPE_MAX,
_UNIT_TYPE_INVALID = -1
};
enum UnitLoadState {
UNIT_STUB = 0,
UNIT_LOADED,
UNIT_NOT_FOUND,
UNIT_ERROR,
UNIT_MERGED,
UNIT_MASKED,
_UNIT_LOAD_STATE_MAX,
_UNIT_LOAD_STATE_INVALID = -1
};
enum UnitDependency {
/* Positive dependencies */
UNIT_REQUIRES,
UNIT_REQUIRES_OVERRIDABLE,
UNIT_REQUISITE,
UNIT_REQUISITE_OVERRIDABLE,
UNIT_WANTS,
UNIT_BINDS_TO,
UNIT_PART_OF,
/* Inverse of the above */
UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */
UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
UNIT_WANTED_BY, /* inverse of 'wants' */
UNIT_BOUND_BY, /* inverse of 'binds_to' */
UNIT_CONSISTS_OF, /* inverse of 'part_of' */
/* Negative dependencies */
UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */
UNIT_CONFLICTED_BY,
/* Order */
UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */
UNIT_AFTER,
/* On Failure */
UNIT_ON_FAILURE,
/* Triggers (i.e. a socket triggers a service) */
UNIT_TRIGGERS,
UNIT_TRIGGERED_BY,
/* Propagate reloads */
UNIT_PROPAGATES_RELOAD_TO,
UNIT_RELOAD_PROPAGATED_FROM,
/* Joins namespace of */
UNIT_JOINS_NAMESPACE_OF,
/* Reference information for GC logic */
UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */
UNIT_REFERENCED_BY,
_UNIT_DEPENDENCY_MAX,
_UNIT_DEPENDENCY_INVALID = -1
};
typedef enum UnitNameFlags {
UNIT_NAME_PLAIN = 1, /* Allow foo.service */
UNIT_NAME_INSTANCE = 2, /* Allow foo@bar.service */
UNIT_NAME_TEMPLATE = 4, /* Allow foo@.service */
UNIT_NAME_ANY = UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE,
} UnitNameFlags;
bool unit_name_is_valid(const char *n, UnitNameFlags flags) _pure_;
bool unit_prefix_is_valid(const char *p) _pure_;
bool unit_instance_is_valid(const char *i) _pure_;
bool unit_suffix_is_valid(const char *s) _pure_;
static inline int unit_prefix_and_instance_is_valid(const char *p) {
/* For prefix+instance and instance the same rules apply */
return unit_instance_is_valid(p);
}
int unit_name_to_prefix(const char *n, char **prefix);
int unit_name_to_instance(const char *n, char **instance);
int unit_name_to_prefix_and_instance(const char *n, char **ret);
UnitType unit_name_to_type(const char *n) _pure_;
int unit_name_change_suffix(const char *n, const char *suffix, char **ret);
int unit_name_build(const char *prefix, const char *instance, const char *suffix, char **ret);
char *unit_name_escape(const char *f);
int unit_name_unescape(const char *f, char **ret);
int unit_name_path_escape(const char *f, char **ret);
int unit_name_path_unescape(const char *f, char **ret);
int unit_name_replace_instance(const char *f, const char *i, char **ret);
int unit_name_template(const char *f, char **ret);
int unit_name_from_path(const char *path, const char *suffix, char **ret);
int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret);
int unit_name_to_path(const char *name, char **ret);
char *unit_dbus_path_from_name(const char *name);
int unit_name_from_dbus_path(const char *path, char **name);
typedef enum UnitNameMangle {
UNIT_NAME_NOGLOB,
UNIT_NAME_GLOB,
} UnitNameMangle;
int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, const char *suffix, char **ret);
static inline int unit_name_mangle(const char *name, UnitNameMangle allow_globs, char **ret) {
return unit_name_mangle_with_suffix(name, allow_globs, ".service", ret);
}
int slice_build_subslice(const char *slice, const char*name, char **subslice);
const char *unit_type_to_string(UnitType i) _const_;
UnitType unit_type_from_string(const char *s) _pure_;
const char *unit_load_state_to_string(UnitLoadState i) _const_;
UnitLoadState unit_load_state_from_string(const char *s) _pure_;
const char *unit_dependency_to_string(UnitDependency i) _const_;
UnitDependency unit_dependency_from_string(const char *s) _pure_;
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