release/src/router/mysql/storage/ndb/src/kernel/vm/ClusterConfiguration.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 ClusterConfiguration_H
  17 #define ClusterConfiguration_H
  18
  19 #include <kernel_types.h>
  20 #include <ndb_limits.h>
  21 #include <Properties.hpp>
  22 #include <ErrorReporter.hpp>
  23 #include <signaldata/CmvmiCfgConf.hpp>
  24 #include <signaldata/SetLogLevelOrd.hpp>
  25 #include <NodeInfo.hpp>
  26
  27 // MaxNumber of sizealteration records in each block
  28 // MaxNumber of blocks with sizealteration, (size of array)
  29 #define MAX_SIZEALT_RECORD 16
  30 #define MAX_SIZEALT_BLOCKS 8
  31
  32 enum NdbBlockName { ACC = 0, DICT, DIH, LQH, TC, TUP, TUX, NDB_SIZEALT_OFF };
  33 //  NDB_SIZEALT_OFF is used for block without sizealteration
  34 //  IMPORTANT to assign NDB_SIZEALT_OFF as largest value
  35
  36 struct VarSize {
  37   int   nrr;
  38   bool   valid;
  39 };
  40
  41 struct SizeAlt {
  42   unsigned int   noOfTables;
  43   unsigned int   noOfIndexes;
  44   unsigned int   noOfReplicas;
  45   unsigned int   noOfNDBNodes;
  46   unsigned int   noOfAPINodes;
  47   unsigned int   noOfMGMNodes;
  48   unsigned int   noOfNodes;
  49   unsigned int   noOfDiskLessNodes;
  50   unsigned int   noOfAttributes;
  51   unsigned int   noOfOperations;
  52   unsigned int   noOfTransactions;
  53   unsigned int   noOfIndexPages;
  54   unsigned int   noOfDataPages;
  55   unsigned int   noOfDiskBufferPages;
  56   unsigned int   noOfFreeClusters;
  57   unsigned int   noOfDiskClusters;
  58   unsigned int   noOfScanRecords;
  59   bool       exist;
  60   VarSize    varSize[MAX_SIZEALT_BLOCKS][MAX_SIZEALT_RECORD];
  61   unsigned short blockNo[MAX_SIZEALT_BLOCKS];
  62   LogLevel logLevel;
  63 };
  64
  65
  66 class ClusterConfiguration
  67 {
  68 public:
  69
  70   struct NodeData {
  71     NodeData() {
  72       nodeId = MAX_NODES+1;
  73       nodeType = NodeInfo::INVALID;
  74       arbitRank = ~0;
  75     }
  76     NodeId nodeId;
  77     NodeInfo::NodeType nodeType;
  78     unsigned arbitRank;
  79   };
  80
  81   struct ClusterData
  82   {
  83     SizeAlt  SizeAltData;
  84     NodeData nodeData[MAX_NODES];
  85     Uint32   ispValues[5][CmvmiCfgConf::NO_OF_WORDS];
  86   };
  87
  88   ClusterConfiguration();
  89   ~ClusterConfiguration();
  90   const ClusterData& clusterData() const;
  91
  92   void init(const Properties & p, const Properties & db);
  93 protected:
  94
  95 private:
  96
  97   ClusterData the_clusterData;
  98
  99   void calcSizeAlteration();
 100
 101 };
 102
 103 #endif // ClusterConfiguration_H
 104