FsConf.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 FS_CONF_H
- #define FS_CONF_H
- #include "SignalData.hpp"
- /**
- * FsConf - Common signal class for all CONF signals sent from Ndbfs
- * GSN_FSCLOSECONF, GSN_FSOPENCONF, GSN_FSWRITECONF, GSN_FSREADCONF,
- * GSN_FSSYNCCONF, GSN_FSREMOVECONF
- */
- /**
- *
- * SENDER: Ndbfs
- * RECIVER:
- */
- class FsConf {
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend class Dbacc;
- friend class Dbtup;
- friend class Dbdict;
- /**
- * Sender(s)
- */
- friend class Ndbfs;
- friend class VoidFs;
- /**
- * For printing
- */
- friend bool printFSCONF(FILE * output, const Uint32 * theData, Uint32 len, Uint16 receiverBlockNo);
- public:
- /**
- * Length of signal
- */
- /**
- * FSOPENCONF: static const UintR SignalLength = 2;
- * FSCLOSECONF, FSREADCONF, FSWRITECONF, FSSYNCCONF: static const UintR SignalLength = 2;
- */
- private:
- /**
- * DATA VARIABLES
- */
- UintR userPointer; // DATA 0
- /**
- * Only used if FSOPENCONF
- */
- UintR filePointer; // DATA 1
- };
- #endif