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/*-------------------------------------------------------------------------
* origin.h
* Exports from replication/logical/origin.c
*
* Copyright (c) 2013-2016, PostgreSQL Global Development Group
*
* src/include/replication/origin.h
*-------------------------------------------------------------------------
*/
#ifndef PG_ORIGIN_H
#define PG_ORIGIN_H
#include "fmgr.h"
#include "access/xlog.h"
#include "access/xlogdefs.h"
#include "access/xlogreader.h"
#include "catalog/pg_replication_origin.h"
typedef struct xl_replorigin_set
{
XLogRecPtr remote_lsn;
RepOriginId node_id;
bool force;
} xl_replorigin_set;
typedef struct xl_replorigin_drop
{
RepOriginId node_id;
} xl_replorigin_drop;
#define XLOG_REPLORIGIN_SET 0x00
#define XLOG_REPLORIGIN_DROP 0x10
#define InvalidRepOriginId 0
#define DoNotReplicateId PG_UINT16_MAX
extern PGDLLIMPORT RepOriginId replorigin_session_origin;
extern PGDLLIMPORT XLogRecPtr replorigin_session_origin_lsn;
extern PGDLLIMPORT TimestampTz replorigin_session_origin_timestamp;
/* API for querying & manipulating replication origins */
extern RepOriginId replorigin_by_name(char *name, bool missing_ok);
extern RepOriginId replorigin_create(char *name);
extern void replorigin_drop(RepOriginId roident);
extern bool replorigin_by_oid(RepOriginId roident, bool missing_ok,
char **roname);
/* API for querying & manipulating replication progress tracking */
extern void replorigin_advance(RepOriginId node,
XLogRecPtr remote_commit,
XLogRecPtr local_commit,
bool go_backward, bool wal_log);
extern XLogRecPtr replorigin_get_progress(RepOriginId node, bool flush);
extern void replorigin_session_advance(XLogRecPtr remote_commit,
XLogRecPtr local_commit);
extern void replorigin_session_setup(RepOriginId node);
extern void replorigin_session_reset(void);
extern XLogRecPtr replorigin_session_get_progress(bool flush);
/* Checkpoint/Startup integration */
extern void CheckPointReplicationOrigin(void);
extern void StartupReplicationOrigin(void);
/* WAL logging */
void replorigin_redo(XLogReaderState *record);
void replorigin_desc(StringInfo buf, XLogReaderState *record);
const char *replorigin_identify(uint8 info);
/* shared memory allocation */
extern Size ReplicationOriginShmemSize(void);
extern void ReplicationOriginShmemInit(void);
/* SQL callable functions */
extern Datum pg_replication_origin_create(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_drop(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_oid(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_session_setup(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_session_reset(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_session_is_setup(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_session_progress(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_xact_setup(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_xact_reset(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_advance(PG_FUNCTION_ARGS);
extern Datum pg_replication_origin_progress(PG_FUNCTION_ARGS);
extern Datum pg_show_replication_origin_status(PG_FUNCTION_ARGS);
#endif /* PG_ORIGIN_H */