DihSwitchReplica.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* 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 DIH_SWITCH_REPLICA_HPP
- #define DIH_SWITCH_REPLICA_HPP
- /**
- * This signal is sent from master DIH to all DIH's
- * switches primary / backup nodes for replica(s)
- *
- */
- class DihSwitchReplicaReq {
- /**
- * Sender/Reciver
- */
- friend class Dbdih;
- public:
- STATIC_CONST( SignalLength = 4 + MAX_REPLICAS );
- private:
- /**
- * Request Info
- *
- */
- Uint32 senderRef;
- Uint32 tableId;
- Uint32 fragNo;
- Uint32 noOfReplicas;
- Uint32 newNodeOrder[MAX_REPLICAS];
- };
- class DihSwitchReplicaRef {
- /**
- * Sender/Reciver
- */
- friend class Dbdih;
- public:
- STATIC_CONST( SignalLength = 2 );
- private:
- Uint32 senderNode;
- Uint32 errorCode; // See StopPermRef::ErrorCode
- };
- class DihSwitchReplicaConf {
- /**
- * Sender/Reciver
- */
- friend class Dbdih;
- public:
- STATIC_CONST( SignalLength = 1 );
- private:
- Uint32 senderNode;
- };
- #endif