release/src/router/mysql/storage/ndb/include/kernel/signaldata/GCPSave.hpp

   1 /* Copyright (c) 2003, 2005 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #ifndef GCP_SAVE_HPP
  17 #define GCP_SAVE_HPP
  18
  19 #include "SignalData.hpp"
  20
  21 /**
  22  * GCPSaveReq / (Ref/Conf) is sent as part of GCP
  23  */
  24 class GCPSaveReq {
  25   /**
  26    * Sender(s)
  27    */
  28   friend class Dbdih;
  29
  30   /**
  31    * Reciver(s)
  32    */
  33   friend class Dblqh;
  34
  35   friend bool printGCPSaveReq(FILE * output, const Uint32 * theData,
  36                               Uint32 len, Uint16 receiverBlockNo);
  37 public:
  38   STATIC_CONST( SignalLength = 3 );
  39
  40 private:
  41   Uint32 dihBlockRef;
  42   Uint32 dihPtr;
  43   Uint32 gci;
  44 };
  45
  46 class GCPSaveRef {
  47   /**
  48    * Sender(s)
  49    */
  50   friend class Dblqh;
  51
  52   /**
  53    * Reciver(s)
  54    */
  55   friend class Dbdih;
  56
  57   friend bool printGCPSaveRef(FILE * output, const Uint32 * theData,
  58                               Uint32 len, Uint16 receiverBlockNo);
  59 public:
  60   STATIC_CONST( SignalLength = 4 );
  61
  62   enum ErrorCode {
  63     NodeShutdownInProgress = 1,
  64     FakedSignalDueToNodeFailure = 2,
  65     NodeRestartInProgress = 3
  66   };
  67
  68 private:
  69   Uint32 dihPtr;
  70   Uint32 nodeId;
  71   Uint32 gci;
  72   Uint32 errorCode;
  73 };
  74
  75 class GCPSaveConf {
  76   /**
  77    * Sender(s)
  78    */
  79   friend class Dblqh;
  80
  81   /**
  82    * Reciver(s)
  83    */
  84   friend class Dbdih;
  85
  86   friend bool printGCPSaveConf(FILE * output, const Uint32 * theData,
  87                                Uint32 len, Uint16 receiverBlockNo);
  88 public:
  89   STATIC_CONST( SignalLength = 3 );
  90
  91 private:
  92   Uint32 dihPtr;
  93   Uint32 nodeId;
  94   Uint32 gci;
  95 };
  96
  97 #endif