mariadb/storage/ndb/include/kernel/signaldata/WaitGCP.hpp
2013-03-19 15:53:48 +01:00

111 lines
2.3 KiB
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; 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 WAIT_GCP_HPP
#define WAIT_GCP_HPP
/**
* This signal is sent by anyone to local DIH
*
* If local DIH is not master, it forwards it to master DIH
* and start acting as a proxy
*
*/
class WaitGCPReq {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
/**
* Sender
*/
friend class Ndbcntr;
friend class Dbdict;
friend class Backup;
//friend class Grep::PSCoord;
public:
STATIC_CONST( SignalLength = 3 );
public:
enum RequestType {
Complete = 1, ///< Wait for a GCP to complete
CompleteForceStart = 2, ///< Wait for a GCP to complete start one if needed
CompleteIfRunning = 3, ///< Wait for ongoing GCP
CurrentGCI = 8, ///< Immediately return current GCI
BlockStartGcp = 9,
UnblockStartGcp = 10
};
Uint32 senderRef;
Uint32 senderData;
Uint32 requestType;
};
class WaitGCPConf {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
/**
* Reciver(s)
*/
friend class Ndbcntr;
friend class Dbdict;
friend class Backup;
//friend class Grep::PSCoord;
public:
STATIC_CONST( SignalLength = 3 );
public:
Uint32 senderData;
Uint32 gcp;
Uint32 blockStatus;
};
class WaitGCPRef {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
/**
* Reciver(s)
*/
friend class Ndbcntr;
friend class Dbdict;
friend class Backup;
friend class Grep;
public:
STATIC_CONST( SignalLength = 2 );
enum ErrorCode {
StopOK = 0,
NF_CausedAbortOfProcedure = 1,
NoWaitGCPRecords = 2
};
private:
Uint32 errorCode;
Uint32 senderData;
};
#endif