machine-image.h revision c19de71113f956809995fc68817e055e9f61f607
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2014 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 "time-util.h"
#include "hashmap.h"
typedef enum ImageType {
IMAGE_DIRECTORY,
IMAGE_SUBVOLUME,
IMAGE_RAW,
_IMAGE_TYPE_MAX,
_IMAGE_TYPE_INVALID = -1
} ImageType;
typedef struct Image {
ImageType type;
char *name;
char *path;
bool read_only;
usec_t crtime;
usec_t mtime;
uint64_t usage;
uint64_t usage_exclusive;
uint64_t limit;
uint64_t limit_exclusive;
} Image;
Image *image_unref(Image *i);
void image_hashmap_free(Hashmap *map);
DEFINE_TRIVIAL_CLEANUP_FUNC(Image*, image_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(Hashmap*, image_hashmap_free);
int image_find(const char *name, Image **ret);
int image_discover(Hashmap *map);
int image_remove(Image *i);
int image_rename(Image *i, const char *new_name);
int image_clone(Image *i, const char *new_name, bool read_only);
int image_read_only(Image *i, bool b);
const char* image_type_to_string(ImageType t) _const_;
ImageType image_type_from_string(const char *s) _pure_;
bool image_name_is_valid(const char *s) _pure_;
int image_path_lock(const char *path, int operation, LockFile *global, LockFile *local);
int image_name_lock(const char *name, int operation, LockFile *ret);