CmRegSignalData.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:4k
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 CM_REG_HPP
- #define CM_REG_HPP
- #include <NodeBitmask.hpp>
- /**
- * This is the first distributed signal
- * (the node tries to register in the cluster)
- */
- class CmRegReq {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- Uint32 blockRef;
- Uint32 nodeId;
- Uint32 version; // See ndb_version.h
- };
- /**
- * The node receving this signal has been accepted into the cluster
- */
- class CmRegConf {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 4 + NdbNodeBitmask::Size );
- private:
- Uint32 presidentBlockRef;
- Uint32 presidentNodeId;
- Uint32 presidentVersion;
- /**
- * The dynamic id that the node reciving this signal has
- */
- Uint32 dynamicId;
- Uint32 allNdbNodes[NdbNodeBitmask::Size];
- };
- /**
- *
- */
- class CmRegRef {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 4 );
- enum ErrorCode {
- ZBUSY = 0, /* Only the president can send this */
- ZBUSY_PRESIDENT = 1,/* Only the president can send this */
- ZBUSY_TO_PRES = 2, /* Only the president can send this */
- ZNOT_IN_CFG = 3, /* Only the president can send this */
- ZELECTION = 4, /* Receiver is definitely not president,
- * but we are not sure if sender ends up
- * as president. */
- ZNOT_PRESIDENT = 5, /* We are not president */
- ZNOT_DEAD = 6, /* We are not dead when we are starting */
- ZINCOMPATIBLE_VERSION = 7
- };
- private:
- Uint32 blockRef;
- Uint32 nodeId;
- Uint32 errorCode;
- Uint32 presidentCandidate;
- };
- class CmAdd {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- enum RequestType {
- Prepare = 0,
- AddCommit = 1,
- CommitNew = 2
- };
- Uint32 requestType;
- Uint32 startingNodeId;
- Uint32 startingVersion;
- };
- class CmAckAdd {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- Uint32 senderNodeId;
- Uint32 requestType; // see CmAdd::RequestType
- Uint32 startingNodeId;
- };
- class CmNodeInfoReq {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- /**
- * This is information for sending node (starting node)
- */
- Uint32 nodeId;
- Uint32 dynamicId;
- Uint32 version;
- };
- class CmNodeInfoRef {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- enum ErrorCode {
- NotRunning = 1
- };
- private:
- Uint32 nodeId;
- Uint32 errorCode;
- };
- class CmNodeInfoConf {
- /**
- * Sender(s) & Reciver(s)
- */
- friend class Qmgr;
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- Uint32 nodeId;
- Uint32 dynamicId;
- Uint32 version;
- };
- #endif