mirror of
https://github.com/MariaDB/server.git
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85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef READ_NODESCONF_HPP
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#define READ_NODESCONF_HPP
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#include <NodeBitmask.hpp>
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/**
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* This signals is sent by Qmgr to NdbCntr
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* and then from NdbCntr sent to: dih, dict, lqh, tc
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*
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* NOTE Only noOfNodes & allNodes are valid when sent from Qmgr
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*/
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class ReadNodesConf {
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/**
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* Sender(s)
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*/
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friend class Qmgr;
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/**
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* Sender(s) / Reciver(s)
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*/
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friend class Ndbcntr;
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/**
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* Reciver(s)
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*/
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friend class Dbdih;
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friend class Dbdict;
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friend class Dblqh;
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friend class Dbtc;
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friend class Trix;
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friend class Backup;
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friend class Suma;
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friend class Grep;
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friend bool printREAD_NODES_CONF(FILE*, const Uint32 *, Uint32, Uint16);
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public:
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STATIC_CONST( SignalLength = 3 + 5*NdbNodeBitmask::Size );
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private:
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Uint32 noOfNodes;
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Uint32 ndynamicId;
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/**
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*
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* NOTE Not valid when send from Qmgr
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*/
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Uint32 masterNodeId;
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/**
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* This array defines all the ndb nodes in the system
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*/
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union {
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Uint32 allNodes[NdbNodeBitmask::Size];
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Uint32 definedNodes[NdbNodeBitmask::Size];
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};
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/**
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* This array describes wheather the nodes are currently active
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*
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* NOTE Not valid when send from Qmgr
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*/
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Uint32 inactiveNodes[NdbNodeBitmask::Size];
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Uint32 clusterNodes[NdbNodeBitmask::Size]; // From Qmgr
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Uint32 startingNodes[NdbNodeBitmask::Size]; // From Cntr
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Uint32 startedNodes[NdbNodeBitmask::Size]; // From Cntr
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};
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#endif
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