| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #pragma once |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #include "sd-id128.h" |
| |
| #include "hashmap.h" |
| #include "lockfile-util.h" |
| #include "macro.h" |
| #include "path-util.h" |
| #include "string-util.h" |
| #include "time-util.h" |
| |
| typedef enum ImageClass { |
| IMAGE_MACHINE, |
| IMAGE_PORTABLE, |
| IMAGE_EXTENSION, |
| _IMAGE_CLASS_MAX, |
| _IMAGE_CLASS_INVALID = -EINVAL, |
| } ImageClass; |
| |
| typedef enum ImageType { |
| IMAGE_DIRECTORY, |
| IMAGE_SUBVOLUME, |
| IMAGE_RAW, |
| IMAGE_BLOCK, |
| _IMAGE_TYPE_MAX, |
| _IMAGE_TYPE_INVALID = -EINVAL, |
| } ImageType; |
| |
| typedef struct Image { |
| unsigned n_ref; |
| |
| 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; |
| |
| char *hostname; |
| sd_id128_t machine_id; |
| char **machine_info; |
| char **os_release; |
| char **extension_release; |
| |
| bool metadata_valid:1; |
| bool discoverable:1; /* true if we know for sure that image_find() would find the image given just the short name */ |
| |
| void *userdata; |
| } Image; |
| |
| Image *image_unref(Image *i); |
| Image *image_ref(Image *i); |
| |
| DEFINE_TRIVIAL_CLEANUP_FUNC(Image*, image_unref); |
| |
| int image_find(ImageClass class, const char *root, const char *name, Image **ret); |
| int image_from_path(const char *path, Image **ret); |
| int image_find_harder(ImageClass class, const char *root, const char *name_or_path, Image **ret); |
| int image_discover(ImageClass class, const char *root, 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_; |
| |
| int image_path_lock(const char *path, int operation, LockFile *global, LockFile *local); |
| int image_name_lock(const char *name, int operation, LockFile *ret); |
| |
| int image_set_limit(Image *i, uint64_t referenced_max); |
| |
| int image_read_metadata(Image *i); |
| |
| bool image_in_search_path(ImageClass class, const char *root, const char *image); |
| |
| static inline bool IMAGE_IS_HIDDEN(const struct Image *i) { |
| assert(i); |
| |
| return i->name && i->name[0] == '.'; |
| } |
| |
| static inline bool IMAGE_IS_VENDOR(const struct Image *i) { |
| assert(i); |
| |
| return i->path && path_startswith(i->path, "/usr"); |
| } |
| |
| static inline bool IMAGE_IS_HOST(const struct Image *i) { |
| assert(i); |
| |
| if (i->name && streq(i->name, ".host")) |
| return true; |
| |
| if (i->path && path_equal(i->path, "/")) |
| return true; |
| |
| return false; |
| } |
| |
| extern const struct hash_ops image_hash_ops; |