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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <inttypes.h>
#include <stdbool.h>
#include <sys/types.h>
#include "gpt.h"
#include "hashmap.h"
#include "macro.h"
/* Forward declare this type so that the headers below can use it */
typedef struct Resource Resource;
#include "sysupdate-instance.h"
typedef enum ResourceType {
RESOURCE_URL_FILE,
RESOURCE_URL_TAR,
RESOURCE_TAR,
RESOURCE_PARTITION,
RESOURCE_REGULAR_FILE,
RESOURCE_DIRECTORY,
RESOURCE_SUBVOLUME,
_RESOURCE_TYPE_MAX,
_RESOURCE_TYPE_INVALID = -EINVAL,
} ResourceType;
static inline bool RESOURCE_IS_SOURCE(ResourceType t) {
return IN_SET(t,
RESOURCE_URL_FILE,
RESOURCE_URL_TAR,
RESOURCE_TAR,
RESOURCE_REGULAR_FILE,
RESOURCE_DIRECTORY,
RESOURCE_SUBVOLUME);
}
static inline bool RESOURCE_IS_TARGET(ResourceType t) {
return IN_SET(t,
RESOURCE_PARTITION,
RESOURCE_REGULAR_FILE,
RESOURCE_DIRECTORY,
RESOURCE_SUBVOLUME);
}
/* Returns true for all resources that deal with file system objects, i.e. where we operate on top of the
* file system layer, instead of below. */
static inline bool RESOURCE_IS_FILESYSTEM(ResourceType t) {
return IN_SET(t,
RESOURCE_TAR,
RESOURCE_REGULAR_FILE,
RESOURCE_DIRECTORY,
RESOURCE_SUBVOLUME);
}
static inline bool RESOURCE_IS_TAR(ResourceType t) {
return IN_SET(t,
RESOURCE_TAR,
RESOURCE_URL_TAR);
}
static inline bool RESOURCE_IS_URL(ResourceType t) {
return IN_SET(t,
RESOURCE_URL_TAR,
RESOURCE_URL_FILE);
}
typedef enum PathRelativeTo {
/* Please make sure to follow the naming of the corresponding PartitionDesignator enum values,
* where this makes sense, like for the following three. */
PATH_RELATIVE_TO_ROOT,
PATH_RELATIVE_TO_ESP,
PATH_RELATIVE_TO_XBOOTLDR,
PATH_RELATIVE_TO_BOOT, /* Refers to $BOOT from the BLS. No direct counterpart in PartitionDesignator */
_PATH_RELATIVE_TO_MAX,
_PATH_RELATIVE_TO_INVALID = -EINVAL,
} PathRelativeTo;
struct Resource {
ResourceType type;
/* Where to look for instances, and what to match precisely */
char *path;
bool path_auto; /* automatically find root path (only available if target resource, not source resource) */
PathRelativeTo path_relative_to;
char **patterns;
GptPartitionType partition_type;
bool partition_type_set;
/* All instances of this resource we found */
Instance **instances;
size_t n_instances;
/* If this is a partition resource (RESOURCE_PARTITION), then how many partition slots are currently unassigned, that we can use */
size_t n_empty;
};
void resource_destroy(Resource *rr);
int resource_load_instances(Resource *rr, bool verify, Hashmap **web_cache);
Instance* resource_find_instance(Resource *rr, const char *version);
int resource_resolve_path(Resource *rr, const char *root, const char *node);
ResourceType resource_type_from_string(const char *s) _pure_;
const char *resource_type_to_string(ResourceType t) _const_;
PathRelativeTo path_relative_to_from_string(const char *s) _pure_;
const char *path_relative_to_to_string(PathRelativeTo r) _const_;
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