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

   1 /* Copyright (c) 2003, 2005-2007 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 NDB_EXTENT_HPP
  17 #define NDB_EXTENT_HPP
  18
  19 #include "SignalData.hpp"
  20
  21 struct AllocExtentReq {
  22   /**
  23    * Sender(s) / Reciver(s)
  24    */
  25
  26   /**
  27    * For printing
  28    */
  29
  30   STATIC_CONST( SignalLength = 3 );
  31
  32   enum ErrorCode {
  33     UnmappedExtentPageIsNotImplemented = 1,
  34     NoExtentAvailable = 1601,
  35     NoDatafile = 1602
  36   };
  37
  38   union
  39   {
  40     struct
  41     {
  42       Uint32 tablespace_id;
  43       Uint32 table_id;
  44       Uint32 fragment_id;
  45     } request;
  46     struct
  47     {
  48       Uint32 errorCode;
  49       Local_key page_id;
  50       Uint32 page_count;
  51     } reply;
  52   };
  53 };
  54
  55 struct FreeExtentReq {
  56   /**
  57    * Sender(s) / Reciver(s)
  58    */
  59
  60   /**
  61    * For printing
  62    */
  63
  64   STATIC_CONST( SignalLength = 4 );
  65
  66   enum ErrorCode {
  67     UnmappedExtentPageIsNotImplemented = 1
  68   };
  69
  70   union
  71   {
  72     struct
  73     {
  74       Local_key key;
  75       Uint32 table_id;
  76       Uint32 tablespace_id;
  77       Uint32 lsn_hi;
  78       Uint32 lsn_lo;
  79     } request;
  80     struct
  81     {
  82       Uint32 errorCode;
  83     } reply;
  84   };
  85 };
  86
  87 struct AllocPageReq {
  88   /**
  89    * Sender(s) / Reciver(s)
  90    */
  91
  92   /**
  93    * For printing
  94    */
  95
  96   STATIC_CONST( SignalLength = 3 );
  97
  98   enum ErrorCode {
  99     UnmappedExtentPageIsNotImplemented = 1,
 100     NoPageFree= 2
 101   };
 102
 103   Local_key key; // in out
 104   Uint32 bits;   // in out
 105   union
 106   {
 107     struct
 108     {
 109       Uint32 table_id;
 110       Uint32 fragment_id;
 111       Uint32 tablespace_id;
 112     } request;
 113     struct
 114     {
 115       Uint32 errorCode;
 116     } reply;
 117   };
 118 };
 119
 120
 121 #endif