src/bin/pg_rewind/pg_rewind.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pg_rewind.h
   4  *
   5  *
   6  * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  *-------------------------------------------------------------------------
  10  */
  11 #ifndef PG_REWIND_H
  12 #define PG_REWIND_H
  13
  14 #include "access/timeline.h"
  15 #include "common/logging.h"
  16 #include "common/file_utils.h"
  17
  18 /* Configuration options */
  19 extern char *datadir_target;
  20 extern bool showprogress;
  21 extern bool dry_run;
  22 extern bool do_sync;
  23 extern int      WalSegSz;
  24 extern DataDirSyncMethod sync_method;
  25
  26 /* Target history */
  27 extern TimeLineHistoryEntry *targetHistory;
  28 extern int      targetNentries;
  29
  30 /* Progress counters */
  31 extern uint64 fetch_size;
  32 extern uint64 fetch_done;
  33
  34 /* in parsexlog.c */
  35 extern void extractPageMap(const char *datadir, XLogRecPtr startpoint,
  36                                                    int tliIndex, XLogRecPtr endpoint,
  37                                                    const char *restoreCommand);
  38 extern void findLastCheckpoint(const char *datadir, XLogRecPtr forkptr,
  39                                                            int tliIndex,
  40                                                            XLogRecPtr *lastchkptrec, TimeLineID *lastchkpttli,
  41                                                            XLogRecPtr *lastchkptredo,
  42                                                            const char *restoreCommand);
  43 extern XLogRecPtr readOneRecord(const char *datadir, XLogRecPtr ptr,
  44                                                                 int tliIndex, const char *restoreCommand);
  45
  46 /* in pg_rewind.c */
  47 extern void progress_report(bool finished);
  48
  49 /* in timeline.c */
  50 extern TimeLineHistoryEntry *rewind_parseTimeLineHistory(char *buffer,
  51                                                                                                                  TimeLineID targetTLI,
  52                                                                                                                  int *nentries);
  53
  54 #endif                                                  /* PG_REWIND_H */