LogRecord.hpp
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上传日期:2022-05-23
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef LOG_RECORD_HPP
- #define LOG_RECORD_HPP
- #include <ndb_global.h>
- #include <portlib/NdbMem.h>
- /**
- * @class Record
- * @brief
- */
- class Record {
- public:
- enum RecordType { META = 1, LOG = 2 };
- RecordType recordType;
- Uint32 recordLen; ///< Size in bytes of entire log record, incl payload
- };
- /**
- * @class LogRecord
- * @brief
- */
- class LogRecord : public Record {
- public:
- ~LogRecord() {
- NdbMem_Free(attributeHeader);
- NdbMem_Free(attributeData);
- }
- public:
- Uint32 gci; //0
- Uint32 operation; //4
- Uint32 tableId; //8
-
- Uint32 attributeHeaderWSize; //12
- Uint32 attributeDataWSize; //16
- Uint32 * attributeHeader; //20
- Uint32 * attributeData; //24
- /**
- * Next pointer
- */
- };
- /**
- * @class MetaRecord
- * @brief
- */
- class MetaRecord : public Record {
- public:
- ~MetaRecord() {
- NdbMem_Free(data);
- }
-
- public:
- Uint32 gci;
- Uint32 tableId;
- Uint32 dataLen; //in words of the data (below)
- Uint32 *data;
- };
- #endif