mariadb/storage/ndb/include/kernel/signaldata/CopyGCIReq.hpp
2014-02-17 18:19:04 +05:30

63 lines
1.7 KiB
C++

/* Copyright (c) 2003, 2005 MySQL AB
Use is subject to license terms
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_GCI_REQ_HPP
#define COPY_GCI_REQ_HPP
#include "SignalData.hpp"
/**
* This signal is used for transfering the sysfile
* between Dih on different nodes.
*
* The master will distributes the file to the other nodes
*
* Since the Sysfile can be larger than on StartMeConf signal,
* there might be more than on of these signals sent before
* the entire sysfile is transfered
*/
class CopyGCIReq {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
friend bool printCOPY_GCI_REQ(FILE *, const Uint32 *, Uint32, Uint16);
public:
enum CopyReason {
IDLE = 0,
LOCAL_CHECKPOINT = 1,
RESTART = 2,
GLOBAL_CHECKPOINT = 3,
INITIAL_START_COMPLETED = 4
};
private:
Uint32 anyData;
Uint32 copyReason;
Uint32 startWord;
/**
* No of free words to carry data
*/
STATIC_CONST( DATA_SIZE = 22 );
Uint32 data[DATA_SIZE];
};
#endif