58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* receivelog.h
|
|
*
|
|
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
|
|
*
|
|
* IDENTIFICATION
|
|
* src/bin/pg_basebackup/receivelog.h
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef RECEIVELOG_H
|
|
#define RECEIVELOG_H
|
|
|
|
#include "access/xlogdefs.h"
|
|
#include "libpq-fe.h"
|
|
#include "walmethods.h"
|
|
|
|
/*
|
|
* Called before trying to read more data or when a segment is
|
|
* finished. Return true to stop streaming.
|
|
*/
|
|
typedef bool (*stream_stop_callback) (XLogRecPtr segendpos, uint32 timeline, bool segment_finished);
|
|
|
|
/*
|
|
* Global parameters when receiving xlog stream. For details about the individual fields,
|
|
* see the function comment for ReceiveXlogStream().
|
|
*/
|
|
typedef struct StreamCtl
|
|
{
|
|
XLogRecPtr startpos; /* Start position for streaming */
|
|
TimeLineID timeline; /* Timeline to stream data from */
|
|
char *sysidentifier; /* Validate this system identifier and
|
|
* timeline */
|
|
int standby_message_timeout; /* Send status messages this often */
|
|
bool synchronous; /* Flush immediately WAL data on write */
|
|
bool mark_done; /* Mark segment as done in generated archive */
|
|
bool do_sync; /* Flush to disk to ensure consistent state of
|
|
* data */
|
|
|
|
stream_stop_callback stream_stop; /* Stop streaming when returns true */
|
|
|
|
pgsocket stop_socket; /* if valid, watch for input on this socket
|
|
* and check stream_stop() when there is any */
|
|
|
|
WalWriteMethod *walmethod; /* How to write the WAL */
|
|
char *partial_suffix; /* Suffix appended to partially received files */
|
|
char *replication_slot; /* Replication slot to use, or NULL */
|
|
} StreamCtl;
|
|
|
|
|
|
|
|
extern bool CheckServerVersionForStreaming(PGconn *conn);
|
|
extern bool ReceiveXlogStream(PGconn *conn,
|
|
StreamCtl *stream);
|
|
|
|
#endif /* RECEIVELOG_H */
|