mariadb/storage/ndb/include/kernel/signaldata/GCPSave.hpp

/* 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 GCP_SAVE_HPP
#define GCP_SAVE_HPP

#include "SignalData.hpp"

/**
 * GCPSaveReq / (Ref/Conf) is sent as part of GCP
 */
class GCPSaveReq {
  /**
   * Sender(s)
   */
  friend class Dbdih;
  
  /**
   * Reciver(s)
   */
  friend class Dblqh;

  friend bool printGCPSaveReq(FILE * output, const Uint32 * theData, 
			      Uint32 len, Uint16 receiverBlockNo);
public:
  STATIC_CONST( SignalLength = 3 );

private:
  Uint32 dihBlockRef;
  Uint32 dihPtr;
  Uint32 gci;
};

class GCPSaveRef {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  
  /**
   * Reciver(s)
   */
  friend class Dbdih;
  
  friend bool printGCPSaveRef(FILE * output, const Uint32 * theData, 
			      Uint32 len, Uint16 receiverBlockNo);
public:
  STATIC_CONST( SignalLength = 4 );

  enum ErrorCode {
    NodeShutdownInProgress = 1,
    FakedSignalDueToNodeFailure = 2,
    NodeRestartInProgress = 3
  };
  
private:
  Uint32 dihPtr;
  Uint32 nodeId;
  Uint32 gci;
  Uint32 errorCode;
};

class GCPSaveConf {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  
  /**
   * Reciver(s)
   */
  friend class Dbdih;

  friend bool printGCPSaveConf(FILE * output, const Uint32 * theData, 
			       Uint32 len, Uint16 receiverBlockNo);
public:
  STATIC_CONST( SignalLength = 3 );

private:
  Uint32 dihPtr;
  Uint32 nodeId;
  Uint32 gci;
};

#endif