* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* ---------------------------------------------------------------------------------------
*
* nas_am.h
* nass access method definitions.
*
*
* IDENTIFICATION
* src/include/access/archive/nas_am.h
*
* ---------------------------------------------------------------------------------------
*/
#ifndef NAS_AM_H
#define NAS_AM_H
#include "postgres.h"
#include "nodes/pg_list.h"
#include "replication/slot.h"
size_t NasRead(const char* fileName, int offset, char *buffer, int length, ArchiveConfig *nas_config = NULL);
int NasWrite(const char* fileName, const char *buffer, const int bufferLength, ArchiveConfig *nas_config = NULL);
int NasDelete(const char* fileName, ArchiveConfig *nas_config = NULL);
List* NasList(const char* prefix, ArchiveConfig *nas_config = NULL);
bool checkNASFileExist(const char* file_path, ArchiveConfig *nas_config);
#endif