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/*-------------------------------------------------------------------------
*
* walsummary.h
* WAL summary management
*
* Portions Copyright (c) 2010-2024, PostgreSQL Global Development Group
*
* src/include/backup/walsummary.h
*
*-------------------------------------------------------------------------
*/
#ifndef WALSUMMARY_H
#define WALSUMMARY_H
#include <time.h>
#include "access/xlogdefs.h"
#include "nodes/pg_list.h"
#include "storage/fd.h"
typedef struct WalSummaryIO
{
File file;
off_t filepos;
} WalSummaryIO;
typedef struct WalSummaryFile
{
XLogRecPtr start_lsn;
XLogRecPtr end_lsn;
TimeLineID tli;
} WalSummaryFile;
extern List *GetWalSummaries(TimeLineID tli, XLogRecPtr start_lsn,
XLogRecPtr end_lsn);
extern List *FilterWalSummaries(List *wslist, TimeLineID tli,
XLogRecPtr start_lsn, XLogRecPtr end_lsn);
extern bool WalSummariesAreComplete(List *wslist,
XLogRecPtr start_lsn, XLogRecPtr end_lsn,
XLogRecPtr *missing_lsn);
extern File OpenWalSummaryFile(WalSummaryFile *ws, bool missing_ok);
extern void RemoveWalSummaryIfOlderThan(WalSummaryFile *ws,
time_t cutoff_time);
extern int ReadWalSummary(void *wal_summary_io, void *data, int length);
extern int WriteWalSummary(void *wal_summary_io, void *data, int length);
extern void ReportWalSummaryError(void *callback_arg, char *fmt,...) pg_attribute_printf(2, 3);
#endif /* WALSUMMARY_H */
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