50024b39cd
Co-authored-by: tino247 <tino247@126.com> Co-authored-by: BinChenn <binchenn.bc@gmail.com> Co-authored-by: HaHaJeff <jeffzhouhhh@gmail.com>
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_ARCHIVE_OB_ARCHIVE_FILE_UTILS_H_
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#define OCEANBASE_ARCHIVE_OB_ARCHIVE_FILE_UTILS_H_
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#include "lib/container/ob_array.h"
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#include "lib/container/ob_array_iterator.h"
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#include "lib/string/ob_string.h"
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#include "share/backup/ob_backup_struct.h"
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#include <cstdint>
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namespace oceanbase
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{
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namespace archive
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{
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using oceanbase::common::ObString;
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typedef common::ObArray<int64_t> ArchiveFileIdArray;
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class ObArchiveFileUtils
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{
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public:
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static int get_file_range(const ObString &prifix,
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const share::ObBackupStorageInfo *storage_info,
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int64_t &min_file_id,
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int64_t &max_file_id);
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static int list_files(const ObString &prifix,
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const share::ObBackupStorageInfo *storage_info,
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common::ObIArray<int64_t> &array);
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static int read_file(const ObString &uri,
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const share::ObBackupStorageInfo *storage_info,
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char *buf,
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const int64_t file_len,
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int64_t &read_size);
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static int range_read(const ObString &uri,
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const share::ObBackupStorageInfo *storage_info,
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char *buf,
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const int64_t buf_size,
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const int64_t offset,
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int64_t &read_size);
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static int write_file(const ObString &uri,
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const share::ObBackupStorageInfo *storage_info,
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const char *buf,
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const int64_t buf_len);
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static int is_exist(const ObString &uri,
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const share::ObBackupStorageInfo *storage_info,
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bool &exist);
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static int mkdir(const ObString &uri, const share::ObBackupStorageInfo *storage_info);
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static int get_file_length(const ObString &uri,
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const share::ObBackupStorageInfo *storage_info,
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int64_t &file_length);
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static int extract_file_id(const ObString &file_name, int64_t &file_id, bool &match);
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static int locate_file_by_scn(share::ObBackupDest &dest,
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const int64_t dest_id,
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const int64_t round,
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const int64_t piece_id,
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const share::ObLSID &ls_id,
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const share::SCN &scn,
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int64_t &file_id);
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static int locate_file_by_scn_in_piece(share::ObBackupDest &dest,
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const int64_t dest_id,
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const int64_t round,
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const int64_t piece_id,
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const share::ObLSID &ls_id,
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const int64_t min_file_id,
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const int64_t max_file_id,
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const share::SCN &scn,
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int64_t &file_id);
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private:
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static int extract_file_min_log_info_(const ObString &uri,
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share::ObBackupStorageInfo *storage_info,
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palf::LSN &lsn,
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share::SCN &scn);
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static int locate_(const int64_t min_file_id,
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const int64_t max_file_id,
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const share::SCN &ref_scn,int64_t &file_id,
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const std::function<int (const int64_t file_id, share::SCN &scn_param, palf::LSN &lsn)> &);
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};
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} // namespace archive
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} // namespace
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#endif
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