apiregsignaldata.hpp

mysql-5.0.22.tar.gz源码包

/* 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; either version 2 of the License, or
   (at your option) any later version.

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef API_REGCONF_HPP
#define API_REGCONF_HPP

#include <NodeState.hpp>

class ApiRegReq {
  /**
   * Sender(s)
   */
  friend class ClusterMgr;
  
  /**
   * Reciver(s)
   */
  friend class Qmgr;

public:
  STATIC_CONST( SignalLength = 2 );

private:
  Uint32 ref;
  Uint32 version; // Version of API node
};

/**
 * 
 */
class ApiRegRef {
  /**
   * Sender(s)
   */
  friend class Qmgr;
  
  /**
   * Reciver(s)
   */
  friend class ClusterMgr;

public:
  STATIC_CONST( SignalLength = 3 );
  
  enum ErrorCode {
    WrongType = 1,
    UnsupportedVersion = 2
  };
private:
  Uint32 ref; // Qmgr ref
  Uint32 version; // Version of NDB node
  Uint32 errorCode;
};

/**
 * 
 */
class ApiRegConf {
  /**
   * Sender(s)
   */
  friend class Qmgr;
  
  /**
   * Reciver(s)
   */
  friend class ClusterMgr;

public:
  STATIC_CONST( SignalLength = 3 + NodeState::DataLength );
private:
  
  Uint32 qmgrRef;
  Uint32 version; // Version of NDB node
  Uint32 apiHeartbeatFrequency;
  NodeState nodeState;
};

#endif