/*
   Copyright (C) 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 NDB_EXTENT_HPP
#define NDB_EXTENT_HPP

#include "SignalData.hpp"

struct AllocExtentReq {
  /**
   * Sender(s) / Reciver(s)
   */

  /**
   * For printing
   */
  
  STATIC_CONST( SignalLength = 3 );

  enum ErrorCode {
    UnmappedExtentPageIsNotImplemented = 1,
    NoExtentAvailable = 1601,
    NoDatafile = 1602
  };
  
  union 
  {
    struct 
    {
      Uint32 tablespace_id;
      Uint32 table_id;
      Uint32 fragment_id;
    } request;
    struct 
    {
      Uint32 errorCode;
      Local_key page_id;
      Uint32 page_count;
    } reply;
  };
};

struct FreeExtentReq {
  /**
   * Sender(s) / Reciver(s)
   */

  /**
   * For printing
   */
  
  STATIC_CONST( SignalLength = 4 );

  enum ErrorCode {
    UnmappedExtentPageIsNotImplemented = 1
  };
  
  union 
  {
    struct 
    {
      Local_key key;
      Uint32 table_id;
      Uint32 tablespace_id;
      Uint32 lsn_hi;
      Uint32 lsn_lo;
    } request;
    struct 
    {
      Uint32 errorCode;
    } reply;
  };
};

struct AllocPageReq {
  /**
   * Sender(s) / Reciver(s)
   */

  /**
   * For printing
   */
  
  STATIC_CONST( SignalLength = 3 );

  enum ErrorCode {
    UnmappedExtentPageIsNotImplemented = 1,
    NoPageFree= 2
  };
  
  Local_key key; // in out
  Uint32 bits;   // in out
  union 
  {
    struct 
    {
      Uint32 table_id;
      Uint32 fragment_id;
      Uint32 tablespace_id;
    } request;
    struct 
    {
      Uint32 errorCode;
    } reply;
  };
};


#endif
