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/*-------------------------------------------------------------------------
*
* pg_verifybackup.h
* Verify a backup against a backup manifest.
*
* Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/bin/pg_verifybackup/pg_verifybackup.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_VERIFYBACKUP_H
#define PG_VERIFYBACKUP_H
#include "common/controldata_utils.h"
#include "common/hashfn_unstable.h"
#include "common/logging.h"
#include "common/parse_manifest.h"
#include "fe_utils/astreamer.h"
#include "fe_utils/simple_list.h"
/*
* Each file described by the manifest file is parsed to produce an object
* like this.
*/
typedef struct manifest_file
{
uint32 status; /* hash status */
const char *pathname;
uint64 size;
pg_checksum_type checksum_type;
int checksum_length;
uint8 *checksum_payload;
bool matched;
bool bad;
} manifest_file;
#define should_verify_checksum(m) \
(((m)->matched) && !((m)->bad) && (((m)->checksum_type) != CHECKSUM_TYPE_NONE))
/*
* Define a hash table which we can use to store information about the files
* mentioned in the backup manifest.
*/
#define SH_PREFIX manifest_files
#define SH_ELEMENT_TYPE manifest_file
#define SH_KEY_TYPE const char *
#define SH_KEY pathname
#define SH_HASH_KEY(tb, key) hash_string(key)
#define SH_EQUAL(tb, a, b) (strcmp(a, b) == 0)
#define SH_SCOPE static inline
#define SH_RAW_ALLOCATOR pg_malloc0
#define SH_DECLARE
#define SH_DEFINE
#include "lib/simplehash.h"
/*
* Each WAL range described by the manifest file is parsed to produce an
* object like this.
*/
typedef struct manifest_wal_range
{
TimeLineID tli;
XLogRecPtr start_lsn;
XLogRecPtr end_lsn;
struct manifest_wal_range *next;
struct manifest_wal_range *prev;
} manifest_wal_range;
/*
* All the data parsed from a backup_manifest file.
*/
typedef struct manifest_data
{
int version;
uint64 system_identifier;
manifest_files_hash *files;
manifest_wal_range *first_wal_range;
manifest_wal_range *last_wal_range;
} manifest_data;
/*
* All of the context information we need while checking a backup manifest.
*/
typedef struct verifier_context
{
manifest_data *manifest;
char *backup_directory;
SimpleStringList ignore_list;
char format; /* backup format: p(lain)/t(ar) */
bool skip_checksums;
bool exit_on_error;
bool saw_any_error;
} verifier_context;
extern void report_backup_error(verifier_context *context,
const char *pg_restrict fmt,...)
pg_attribute_printf(2, 3);
pg_noreturn extern void report_fatal_error(const char *pg_restrict fmt,...)
pg_attribute_printf(1, 2);
extern bool should_ignore_relpath(verifier_context *context,
const char *relpath);
extern astreamer *astreamer_verify_content_new(astreamer *next,
verifier_context *context,
char *archive_name,
Oid tblspc_oid);
#endif /* PG_VERIFYBACKUP_H */
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