mariadb/storage/ndb/include/kernel/signaldata/CopyFrag.hpp
2014-01-06 10:52:35 +05:30

137 lines
2.5 KiB
C++

/* Copyright (c) 2003, 2005-2007 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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef COPY_FRAG_HPP
#define COPY_FRAG_HPP
#include "SignalData.hpp"
class CopyFragReq {
/**
* Sender(s)
*/
friend class Dbdih;
/**
* Receiver(s)
*/
friend class Dblqh;
public:
STATIC_CONST( SignalLength = 10 );
private:
Uint32 userPtr;
Uint32 userRef;
Uint32 tableId;
Uint32 fragId;
Uint32 nodeId;
Uint32 schemaVersion;
Uint32 distributionKey;
Uint32 gci;
Uint32 nodeCount;
Uint32 nodeList[1];
//Uint32 maxPage; is stored in nodeList[nodeCount]
};
class CopyFragConf {
/**
* Sender(s)
*/
friend class Dblqh;
/**
* Receiver(s)
*/
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 5 );
private:
Uint32 userPtr;
Uint32 sendingNodeId;
Uint32 startingNodeId;
Uint32 tableId;
Uint32 fragId;
};
class CopyFragRef {
/**
* Sender(s)
*/
friend class Dblqh;
/**
* Receiver(s)
*/
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 6 );
private:
Uint32 userPtr;
Uint32 sendingNodeId;
Uint32 startingNodeId;
Uint32 tableId;
Uint32 fragId;
Uint32 errorCode;
};
struct UpdateFragDistKeyOrd
{
Uint32 tableId;
Uint32 fragId;
Uint32 fragDistributionKey;
STATIC_CONST( SignalLength = 3 );
};
struct PrepareCopyFragReq
{
STATIC_CONST( SignalLength = 6 );
Uint32 senderRef;
Uint32 senderData;
Uint32 tableId;
Uint32 fragId;
Uint32 copyNodeId;
Uint32 startingNodeId;
};
struct PrepareCopyFragRef
{
Uint32 senderRef;
Uint32 senderData;
Uint32 tableId;
Uint32 fragId;
Uint32 copyNodeId;
Uint32 startingNodeId;
Uint32 errorCode;
STATIC_CONST( SignalLength = 7 );
};
struct PrepareCopyFragConf
{
STATIC_CONST( SignalLength = 7 );
Uint32 senderRef;
Uint32 senderData;
Uint32 tableId;
Uint32 fragId;
Uint32 copyNodeId;
Uint32 startingNodeId;
Uint32 maxPageNo;
};
#endif