/*
   Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.

   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 FS_CONF_H
#define FS_CONF_H

#include "SignalData.hpp"

#define JAM_FILE_ID 206


/**
 * FsConf - Common signal class for all CONF signals sent from Ndbfs
 * GSN_FSCLOSECONF, GSN_FSOPENCONF, GSN_FSWRITECONF, GSN_FSREADCONF,
 * GSN_FSSYNCCONF, GSN_FSREMOVECONF
 */

/**
 * 
 * SENDER:  Ndbfs
 * RECIVER: 
 */
class FsConf {
  /**
   * Reciver(s)
   */
  friend class Backup;
  friend class Dbacc;
  friend class Dbtup;
  friend class Dbdict;
  friend class Lgman;
  friend class Tsman;
  friend class Pgman;
  friend class Restore;
  /**
   * Sender(s)
   */
  friend class Ndbfs;
  friend class VoidFs;

  /**
   * For printing
   */
  friend bool printFSCONF(FILE * output, const Uint32 * theData, Uint32 len, Uint16 receiverBlockNo);

public:
  /**
   * Length of signal
   */
  /**
   *  FSOPENCONF: static const UintR SignalLength = 2; 
   *  FSCLOSECONF, FSREADCONF, FSWRITECONF, FSSYNCCONF: static const UintR SignalLength = 2; 
   */

private:

  /**
   * DATA VARIABLES
   */
  UintR userPointer;          // DATA 0

  // Data 1
  union {
    UintR filePointer;          // FSOPENCONF
    Uint32 bytes_read;          // FSREADCONF (when allow partial read)      
  };

  // debug info for trace log
  Uint32 fileInfo;
};




#undef JAM_FILE_ID

#endif
