pg_rewind.h

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/*-------------------------------------------------------------------------
 *
 * pg_rewind.h
 *
 *
 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_REWIND_H
#define PG_REWIND_H
 
#include "access/timeline.h"
#include "common/logging.h"
#include "common/file_utils.h"
#include "datapagemap.h"
#include "libpq-fe.h"
#include "storage/block.h"
#include "storage/relfilelocator.h"
 
/* Configuration options */
extern char *datadir_target;
extern bool showprogress;
extern bool dry_run;
extern bool do_sync;
extern int  WalSegSz;
extern DataDirSyncMethod sync_method;
 
/* Target history */
extern TimeLineHistoryEntry *targetHistory;
extern int  targetNentries;
 
/* Progress counters */
extern uint64 fetch_size;
extern uint64 fetch_done;
 
/* in parsexlog.c */
extern void extractPageMap(const char *datadir, XLogRecPtr startpoint,
                           int tliIndex, XLogRecPtr endpoint,
                           const char *restoreCommand);
extern void findLastCheckpoint(const char *datadir, XLogRecPtr forkptr,
                               int tliIndex,
                               XLogRecPtr *lastchkptrec, TimeLineID *lastchkpttli,
                               XLogRecPtr *lastchkptredo,
                               const char *restoreCommand);
extern XLogRecPtr readOneRecord(const char *datadir, XLogRecPtr ptr,
                                int tliIndex, const char *restoreCommand);
 
/* in pg_rewind.c */
extern void progress_report(bool finished);
 
/* in timeline.c */
extern TimeLineHistoryEntry *rewind_parseTimeLineHistory(char *buffer,
                                                         TimeLineID targetTLI,
                                                         int *nentries);
 
#endif                          /* PG_REWIND_H */