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/*-------------------------------------------------------------------------
*
* fetch.h
* Fetching data from a local or remote data directory.
*
* This file includes the prototypes for functions used to copy files from
* one data directory to another. The source to copy from can be a local
* directory (copy method), or a remote PostgreSQL server (libpq fetch
* method).
*
* Copyright (c) 2013-2015, PostgreSQL Global Development Group
*
*-------------------------------------------------------------------------
*/
#ifndef FETCH_H
#define FETCH_H
#include "c.h"
#include "access/xlogdefs.h"
#include "filemap.h"
/*
* Common interface. Calls the copy or libpq method depending on global
* config options.
*/
extern void fetchSourceFileList(void);
extern char *fetchFile(char *filename, size_t *filesize);
extern void executeFileMap(void);
/* in libpq_fetch.c */
extern void libpqProcessFileList(void);
extern char *libpqGetFile(const char *filename, size_t *filesize);
extern void libpq_executeFileMap(filemap_t *map);
extern void libpqConnect(const char *connstr);
extern XLogRecPtr libpqGetCurrentXlogInsertLocation(void);
/* in copy_fetch.c */
extern void copy_executeFileMap(filemap_t *map);
typedef void (*process_file_callback_t) (const char *path, file_type_t type, size_t size, const char *link_target);
extern void traverse_datadir(const char *datadir, process_file_callback_t callback);
#endif /* FETCH_H */
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