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postgres/src/bin/pg_basebackup/streamutil.h
Masahiko Sawada cf2655a902 pg_recvlogical: Add --failover option.
This new option instructs pg_recvlogical to create the logical
replication slot with the failover option enabled. It can be used in
conjunction with the --create-slot option.

Author: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Reviewed-by: Michael Banck <mbanck@gmx.net>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Discussion: https://postgr.es/m/OSCPR01MB14966C54097FC83AF19F3516BF5AC2@OSCPR01MB14966.jpnprd01.prod.outlook.com
2025-04-04 10:39:57 -07:00

70 lines
2.2 KiB
C

/*-------------------------------------------------------------------------
*
* streamutil.h
*
* Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
*
* IDENTIFICATION
* src/bin/pg_basebackup/streamutil.h
*-------------------------------------------------------------------------
*/
#ifndef STREAMUTIL_H
#define STREAMUTIL_H
#include "access/xlogdefs.h"
#include "datatype/timestamp.h"
#include "libpq-fe.h"
#include "pqexpbuffer.h"
extern const char *progname;
extern char *connection_string;
extern char *dbhost;
extern char *dbuser;
extern char *dbport;
extern char *dbname;
extern int dbgetpassword;
extern int WalSegSz;
/* Connection kept global so we can disconnect easily */
extern PGconn *conn;
extern PGconn *GetConnection(void);
/* Replication commands */
extern bool CreateReplicationSlot(PGconn *conn, const char *slot_name,
const char *plugin, bool is_temporary,
bool is_physical, bool reserve_wal,
bool slot_exists_ok, bool two_phase,
bool failover);
extern bool DropReplicationSlot(PGconn *conn, const char *slot_name);
extern bool RunIdentifySystem(PGconn *conn, char **sysid,
TimeLineID *starttli,
XLogRecPtr *startpos,
char **db_name);
extern void AppendPlainCommandOption(PQExpBuffer buf,
bool use_new_option_syntax,
char *option_name);
extern void AppendStringCommandOption(PQExpBuffer buf,
bool use_new_option_syntax,
char *option_name, char *option_value);
extern void AppendIntegerCommandOption(PQExpBuffer buf,
bool use_new_option_syntax,
char *option_name, int32 option_value);
extern bool GetSlotInformation(PGconn *conn, const char *slot_name,
XLogRecPtr *restart_lsn,
TimeLineID *restart_tli);
extern bool RetrieveWalSegSize(PGconn *conn);
extern TimestampTz feGetCurrentTimestamp(void);
extern void feTimestampDifference(TimestampTz start_time, TimestampTz stop_time,
long *secs, int *microsecs);
extern bool feTimestampDifferenceExceeds(TimestampTz start_time, TimestampTz stop_time,
int msec);
extern void fe_sendint64(int64 i, char *buf);
extern int64 fe_recvint64(char *buf);
#endif /* STREAMUTIL_H */