CopyGCIReq.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 COPY_GCI_REQ_HPP
- #define COPY_GCI_REQ_HPP
- #include "SignalData.hpp"
- /**
- * This signal is used for transfering the sysfile
- * between Dih on different nodes.
- *
- * The master will distributes the file to the other nodes
- *
- * Since the Sysfile can be larger than on StartMeConf signal,
- * there might be more than on of these signals sent before
- * the entire sysfile is transfered
- */
- class CopyGCIReq {
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdih;
-
- friend bool printCOPY_GCI_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- enum CopyReason {
- IDLE = 0,
- LOCAL_CHECKPOINT = 1,
- RESTART = 2,
- GLOBAL_CHECKPOINT = 3,
- INITIAL_START_COMPLETED = 4
- };
-
- private:
-
- Uint32 anyData;
- Uint32 copyReason;
- Uint32 startWord;
- /**
- * No of free words to carry data
- */
- STATIC_CONST( DATA_SIZE = 22 );
-
- Uint32 data[DATA_SIZE];
- };
- #endif