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oceanbase/tools/ob_admin/archive_tool/ob_archive_entry_parser.h
2021-11-09 17:33:43 +08:00

61 lines
1.8 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* 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 PubL v2 for more details.
*/
#ifndef OCEANBASE_ARCHIVE_OB_ARCHIVE_ENTRY_PARSER_
#define OCEANBASE_ARCHIVE_OB_ARCHIVE_ENTRY_PARSER_
#include "../clog_tool/ob_log_entry_parser.h"
#include "../clog_tool/ob_func_utils.h"
#include "archive/ob_archive_entry_iterator.h"
namespace oceanbase
{
namespace archive
{
class ObArchiveEntryParser : public clog::ObLogEntryParserImpl
{
public:
ObArchiveEntryParser() : is_inited_(false),
file_id_(0),
tenant_id_(0) {}
virtual ~ObArchiveEntryParser() {}
int init(uint64_t file_id, const uint64_t tenant_id, const common::ObString &host,
const int32_t port);
bool is_inited() const {return is_inited_;}
int dump_all_entry_1();
int dump_all_entry(const char *path);
TO_STRING_KV(K(is_inited_),
K(file_id_),
K(tenant_id_));
protected:
int parse_next_entry_();
int get_entry_type_(ObArchiveItemType &item_type);
void advance_(const int64_t step);
void skip_block_offset_tail_();
protected:
static const int64_t MAGIC_NUM_LEN = 2L;
static const int64_t PRINT_BUF_SIZE = 5 * 1024 * 1024;
bool is_inited_;
uint64_t file_id_;
uint64_t tenant_id_;
DISALLOW_COPY_AND_ASSIGN(ObArchiveEntryParser);
};
}//end of namespace clog
}//end of namespace oceanbase
#endif //OCEANBASE_ARCHIVE_OB_ARCHIVE_ENTRY_PARSER_