/*
   Copyright (C) 2003, 2005-2007 MySQL AB
    All rights reserved. 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, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   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, version 2.0, 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 St, 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 = 11 );

private:

  enum
  {
    CFR_TRANSACTIONAL = 1,    // Copy rows >= gci in transactional fashion
    CFR_NON_TRANSACTIONAL = 2 // Copy rows <= gci in non transactional fashion
  };
  union {
    Uint32 userPtr;
    Uint32 senderData;
  };
  union {
    Uint32 userRef;
    Uint32 senderRef;
  };
  Uint32 tableId;
  Uint32 fragId;
  Uint32 nodeId;
  Uint32 schemaVersion;
  Uint32 distributionKey;
  Uint32 gci;
  Uint32 nodeCount;
  Uint32 nodeList[1];
  //Uint32 maxPage; is stored in nodeList[nodeCount]
  //Uint32 requestInfo is stored after maxPage
};

class CopyFragConf {
  /**
   * Sender(s)
   */
  friend class Dblqh;

  /**
   * Receiver(s)
   */
  friend class Dbdih;
public:
  STATIC_CONST( SignalLength = 7 );

private:
  union {
    Uint32 userPtr;
    Uint32 senderData;
  };
  Uint32 sendingNodeId;
  Uint32 startingNodeId;
  Uint32 tableId;
  Uint32 fragId;
  Uint32 rows_lo;
  Uint32 bytes_lo;
};
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
