LCP.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
- /* 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 LCP_SIGNAL_DATA_HPP
- #define LCP_SIGNAL_DATA_HPP
- #include "SignalData.hpp"
- #include <NodeBitmask.hpp>
- class StartLcpReq {
- /**
- * Sender(s)
- */
- friend class Dbdih;
-
- /**
- * Sender(s) / Receiver(s)
- */
-
- /**
- * Receiver(s)
- */
- friend class Dblqh;
- friend bool printSTART_LCP_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 2 + 2 * NdbNodeBitmask::Size );
- private:
- Uint32 senderRef;
- Uint32 lcpId;
-
- NdbNodeBitmask participatingDIH;
- NdbNodeBitmask participatingLQH;
- };
- class StartLcpConf {
- /**
- * Sender(s)
- */
- friend class Dblqh;
-
- /**
- * Sender(s) / Receiver(s)
- */
-
- /**
- * Receiver(s)
- */
- friend class Dbdih;
- friend bool printSTART_LCP_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
-
- STATIC_CONST( SignalLength = 2 );
- private:
- Uint32 senderRef;
- Uint32 lcpId;
- };
- /**
- * This signals is sent by Dbdih to Dblqh
- * to order checkpointing of a certain
- * fragment.
- */
- class LcpFragOrd {
- /**
- * Sender(s)
- */
- friend class Dbdih;
-
- /**
- * Sender(s) / Receiver(s)
- */
-
- /**
- * Receiver(s)
- */
- friend class Dblqh;
- friend bool printLCP_FRAG_ORD(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 6 );
- private:
-
- Uint32 tableId;
- Uint32 fragmentId;
- Uint32 lcpNo;
- Uint32 lcpId;
- Uint32 lastFragmentFlag;
- Uint32 keepGci;
- };
- class LcpFragRep {
- /**
- * Sender(s) and receiver(s)
- */
- friend class Dbdih;
- /**
- * Sender(s)
- */
- friend class Dblqh;
- friend bool printLCP_FRAG_REP(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 7 );
- private:
- Uint32 nodeId;
- Uint32 lcpId;
- Uint32 lcpNo;
- Uint32 tableId;
- Uint32 fragId;
- Uint32 maxGciCompleted;
- Uint32 maxGciStarted;
- };
- class LcpCompleteRep {
- /**
- * Sender(s) and receiver(s)
- */
- friend class Dbdih;
-
- /**
- * Sender(s)
- */
- friend class Dblqh;
- friend bool printLCP_COMPLETE_REP(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 3 );
-
- private:
- Uint32 nodeId;
- Uint32 blockNo;
- Uint32 lcpId;
- };
- #endif