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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/sysupdate/sysupdate-resource.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/sysupdate/sysupdate-resource.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/sysupdate/sysupdate-resource.h b/src/sysupdate/sysupdate-resource.h new file mode 100644 index 0000000..86be0d3 --- /dev/null +++ b/src/sysupdate/sysupdate-resource.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <inttypes.h> +#include <stdbool.h> +#include <sys/types.h> + +#include "sd-id128.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); +} + +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) */ + char **patterns; + sd_id128_t 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_; |