release/src/router/mysql/storage/ndb/include/kernel/signaldata/StartInfo.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 START_INFO_HPP
  17 #define START_INFO_HPP
  18
  19 /**
  20  * This signal is sent from the master DIH to all DIHs
  21  * when a node is starting.
  22  * If the typeStart is initial node restart then the node
  23  * has started without filesystem.
  24  * All DIHs must then "forget" that the starting node has
  25  * performed LCP's ever.
  26  *
  27  * @see StartPermReq
  28  */
  29
  30 class StartInfoReq {
  31   /**
  32    * Sender/Receiver
  33    */
  34   friend class Dbdih;
  35
  36   Uint32 startingNodeId;
  37   Uint32 typeStart;
  38   Uint32 systemFailureNo;
  39
  40 public:
  41   STATIC_CONST( SignalLength = 3 );
  42 };
  43
  44 class StartInfoConf {
  45
  46   /**
  47    * Sender/Receiver
  48    */
  49   friend class Dbdih;
  50
  51   /**
  52    * NodeId of sending node
  53    * which is "done"
  54    */
  55   Uint32 sendingNodeId;
  56   Uint32 startingNodeId;
  57
  58 public:
  59   STATIC_CONST( SignalLength = 2 );
  60 };
  61
  62 class StartInfoRef {
  63
  64   /**
  65    * Sender/Receiver
  66    */
  67   friend class Dbdih;
  68
  69   /**
  70    * NodeId of sending node
  71    * The node was refused to start. This could be
  72    * because there are still processes handling
  73    * previous information from the starting node.
  74    */
  75   Uint32 sendingNodeId;
  76   Uint32 startingNodeId;
  77   Uint32 errorCode;
  78
  79 public:
  80   STATIC_CONST( SignalLength = 3 );
  81 };
  82
  83 #endif