74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*-------------------------------------------------------------------------
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* origin.h
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* Exports from replication/logical/origin.c
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*
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* Copyright (c) 2013-2022, PostgreSQL Global Development Group
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*
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* src/include/replication/origin.h
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_ORIGIN_H
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#define PG_ORIGIN_H
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#include "access/xlog.h"
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#include "access/xlogdefs.h"
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#include "access/xlogreader.h"
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#include "catalog/pg_replication_origin.h"
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typedef struct xl_replorigin_set
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{
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XLogRecPtr remote_lsn;
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RepOriginId node_id;
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bool force;
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} xl_replorigin_set;
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typedef struct xl_replorigin_drop
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{
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RepOriginId node_id;
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} xl_replorigin_drop;
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#define XLOG_REPLORIGIN_SET 0x00
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#define XLOG_REPLORIGIN_DROP 0x10
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#define InvalidRepOriginId 0
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#define DoNotReplicateId PG_UINT16_MAX
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extern PGDLLIMPORT RepOriginId replorigin_session_origin;
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extern PGDLLIMPORT XLogRecPtr replorigin_session_origin_lsn;
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extern PGDLLIMPORT TimestampTz replorigin_session_origin_timestamp;
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/* API for querying & manipulating replication origins */
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extern RepOriginId replorigin_by_name(const char *name, bool missing_ok);
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extern RepOriginId replorigin_create(const char *name);
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extern void replorigin_drop_by_name(const char *name, bool missing_ok, bool nowait);
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extern bool replorigin_by_oid(RepOriginId roident, bool missing_ok,
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char **roname);
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/* API for querying & manipulating replication progress tracking */
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extern void replorigin_advance(RepOriginId node,
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XLogRecPtr remote_commit,
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XLogRecPtr local_commit,
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bool go_backward, bool wal_log);
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extern XLogRecPtr replorigin_get_progress(RepOriginId node, bool flush);
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extern void replorigin_session_advance(XLogRecPtr remote_commit,
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XLogRecPtr local_commit);
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extern void replorigin_session_setup(RepOriginId node);
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extern void replorigin_session_reset(void);
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extern XLogRecPtr replorigin_session_get_progress(bool flush);
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/* Checkpoint/Startup integration */
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extern void CheckPointReplicationOrigin(void);
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extern void StartupReplicationOrigin(void);
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/* WAL logging */
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void replorigin_redo(XLogReaderState *record);
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void replorigin_desc(StringInfo buf, XLogReaderState *record);
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const char *replorigin_identify(uint8 info);
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/* shared memory allocation */
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extern Size ReplicationOriginShmemSize(void);
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extern void ReplicationOriginShmemInit(void);
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#endif /* PG_ORIGIN_H */
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