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113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "sd-id128.h"
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#include "hashmap.h"
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#include "lockfile-util.h"
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#include "macro.h"
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#include "path-util.h"
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#include "string-util.h"
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#include "time-util.h"
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typedef enum ImageClass {
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IMAGE_MACHINE,
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IMAGE_PORTABLE,
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_IMAGE_CLASS_MAX,
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_IMAGE_CLASS_INVALID = -1
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} ImageClass;
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typedef enum ImageType {
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IMAGE_DIRECTORY,
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IMAGE_SUBVOLUME,
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IMAGE_RAW,
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IMAGE_BLOCK,
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_IMAGE_TYPE_MAX,
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_IMAGE_TYPE_INVALID = -1
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} ImageType;
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typedef struct Image {
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unsigned n_ref;
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ImageType type;
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char *name;
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char *path;
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bool read_only;
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usec_t crtime;
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usec_t mtime;
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uint64_t usage;
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uint64_t usage_exclusive;
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uint64_t limit;
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uint64_t limit_exclusive;
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char *hostname;
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sd_id128_t machine_id;
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char **machine_info;
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char **os_release;
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bool metadata_valid:1;
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bool discoverable:1; /* true if we know for sure that image_find() would find the image given just the short name */
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void *userdata;
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} Image;
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Image *image_unref(Image *i);
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Image *image_ref(Image *i);
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DEFINE_TRIVIAL_CLEANUP_FUNC(Image*, image_unref);
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int image_find(ImageClass class, const char *name, Image **ret);
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int image_from_path(const char *path, Image **ret);
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int image_find_harder(ImageClass class, const char *name_or_path, Image **ret);
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int image_discover(ImageClass class, Hashmap *map);
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int image_remove(Image *i);
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int image_rename(Image *i, const char *new_name);
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int image_clone(Image *i, const char *new_name, bool read_only);
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int image_read_only(Image *i, bool b);
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const char* image_type_to_string(ImageType t) _const_;
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ImageType image_type_from_string(const char *s) _pure_;
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bool image_name_is_valid(const char *s) _pure_;
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int image_path_lock(const char *path, int operation, LockFile *global, LockFile *local);
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int image_name_lock(const char *name, int operation, LockFile *ret);
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int image_set_limit(Image *i, uint64_t referenced_max);
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int image_read_metadata(Image *i);
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bool image_in_search_path(ImageClass class, const char *image);
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static inline bool IMAGE_IS_HIDDEN(const struct Image *i) {
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assert(i);
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return i->name && i->name[0] == '.';
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}
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static inline bool IMAGE_IS_VENDOR(const struct Image *i) {
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assert(i);
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return i->path && path_startswith(i->path, "/usr");
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}
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static inline bool IMAGE_IS_HOST(const struct Image *i) {
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assert(i);
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if (i->name && streq(i->name, ".host"))
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return true;
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if (i->path && path_equal(i->path, "/"))
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return true;
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return false;
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}
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extern const struct hash_ops image_hash_ops;
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