release/src/router/mysql/storage/ndb/include/kernel/signaldata/TuxMaint.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 TUX_MAINT_HPP
  17 #define TUX_MAINT_HPP
  18
  19 #include "SignalData.hpp"
  20
  21 /*
  22  * Ordered index maintenance operation.
  23  */
  24
  25 class TuxMaintReq {
  26   friend class Dbtup;
  27   friend class Dbtux;
  28   friend bool printTUX_MAINT_REQ(FILE*, const Uint32*, Uint32, Uint16);
  29 public:
  30   enum OpCode {         // first byte of opInfo
  31     OpAdd = 1,
  32     OpRemove = 2
  33   };
  34   enum OpFlag {         // second byte of opInfo
  35   };
  36   enum ErrorCode {
  37     NoError = 0,        // must be zero
  38     SearchError = 901,  // add + found or remove + not found
  39     NoMemError = 902
  40   };
  41   STATIC_CONST( SignalLength = 8 );
  42
  43   /*
  44    * Error code set by TUX.  Zero means no error.
  45    */
  46   Uint32 errorCode;
  47   /*
  48    * Table, index, fragment.
  49    */
  50   Uint32 tableId;
  51   Uint32 indexId;
  52   Uint32 fragId;
  53   /*
  54    * Tuple version identified by physical address of "original" tuple
  55    * and version number.
  56    */
  57   Uint32 pageId;
  58   Uint32 pageIndex;
  59   Uint32 tupVersion;
  60   /*
  61    * Operation code and flags.
  62    */
  63   Uint32 opInfo;
  64
  65   Uint32 tupFragPtrI;
  66   Uint32 fragPageId;
  67 };
  68
  69 #endif