WaitGCP.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 WAIT_GCP_HPP
- #define WAIT_GCP_HPP
- /**
- * This signal is sent by anyone to local DIH
- *
- * If local DIH is not master, it forwards it to master DIH
- * and start acting as a proxy
- *
- */
- class WaitGCPReq {
-
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdih;
-
- /**
- * Sender
- */
- friend class Ndbcntr;
- friend class Dbdict;
- friend class Backup;
- //friend class Grep::PSCoord;
- public:
- STATIC_CONST( SignalLength = 3 );
- public:
- enum RequestType {
- Complete = 1, ///< Wait for a GCP to complete
- CompleteForceStart = 2, ///< Wait for a GCP to complete start one if needed
- CompleteIfRunning = 3, ///< Wait for ongoing GCP
- CurrentGCI = 8 ///< Immediately return current GCI
- };
- Uint32 senderRef;
- Uint32 senderData;
- Uint32 requestType;
- };
- class WaitGCPConf {
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdih;
-
- /**
- * Reciver(s)
- */
- friend class Ndbcntr;
- friend class Dbdict;
- friend class Backup;
- //friend class Grep::PSCoord;
- public:
- STATIC_CONST( SignalLength = 2 );
-
- public:
- Uint32 senderData;
- Uint32 gcp;
- };
- class WaitGCPRef {
-
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdih;
-
- /**
- * Reciver(s)
- */
- friend class Ndbcntr;
- friend class Dbdict;
- friend class Backup;
- friend class Grep;
- public:
- STATIC_CONST( SignalLength = 2 );
- enum ErrorCode {
- StopOK = 0,
- NF_CausedAbortOfProcedure = 1,
- NoWaitGCPRecords = 2
- };
-
- private:
- Uint32 errorCode;
- Uint32 senderData;
- };
- #endif