/*-*- 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' is 'required_by' */ UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' is 'required_by_overridable' */ UNIT_REQUISITE_OF, /* inverse of 'requisite' is 'requisite_of' */ UNIT_REQUISITE_OF_OVERRIDABLE,/* inverse of 'requisite_overridable' is 'requisite_of_overridable' */ 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_parent_slice(const char *slice, char **ret); int slice_build_subslice(const char *slice, const char*name, char **subslice); bool slice_name_is_valid(const char *name); 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_;