69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
|
|
* 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.
|
|
* ---------------------------------------------------------------------------------------
|
|
*
|
|
* zfiles.h
|
|
*
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* src/include/utils/zfiles.h
|
|
*
|
|
* ---------------------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef _LOG_FDW_ZFILES_H_
|
|
#define _LOG_FDW_ZFILES_H_
|
|
|
|
#include "ioapi.h"
|
|
#include "unzip.h"
|
|
|
|
typedef struct opaque_vfd {
|
|
int m_tmp_vfd; /* virtual fd */
|
|
int m_errno; /* io error no */
|
|
off_t m_cur_off; /* file offset */
|
|
long m_max_off; /* file max offset */
|
|
} opaque_vfd;
|
|
|
|
typedef struct zip_reader {
|
|
unzFile m_unz;
|
|
unz_global_info64 m_unz_gi;
|
|
ZPOS64_T m_unz_curfile;
|
|
opaque_vfd m_vfd;
|
|
} zip_reader;
|
|
|
|
typedef struct gz_reader {
|
|
gzFile m_gzf;
|
|
opaque_vfd* m_vfd;
|
|
} gz_reader;
|
|
|
|
extern void pm_set_unzip_memfuncs(void);
|
|
|
|
/* unzip postgresql-2018-03-31_000000.zip log file and read its contents */
|
|
extern void set_unzip_filefuncs(zlib_filefunc64_def* funcs, voidpf opaque);
|
|
extern void* unzip_open(const char* zipfile);
|
|
extern int unzip_read(void* zr, char* buf, int bufsize);
|
|
extern void unzip_close(void* zr);
|
|
|
|
extern void* vfd_file_open(const char* logfile);
|
|
extern int vfd_file_read(void* fobj, char* buf, int bufsize);
|
|
extern void vfd_file_close(void* fobj);
|
|
extern void vfd_file_close_with_thief(void* fobj);
|
|
|
|
extern void* gz_open(const char* gzfile);
|
|
extern int gz_read(void* gzfd, char* buf, int bufsize);
|
|
extern void gz_close(void* gzfd);
|
|
|
|
#endif /* _LOG_FDW_ZFILES_H_ */
|