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C/C++ Source or Header  |  1996-05-05  |  8.9 KB  |  378 lines
  1. /*
  2.  *   $RCSfile: redoUser.c,v $  
  3.  *   $Revision: 1.1.1.1 $  
  4.  *   $Date: 1996/05/04 21:55:55 $      
  5.  */ 
  6. /**********************************************************************
  7. * EXODUS Database Toolkit Software
  8. * Copyright (c) 1991 Computer Sciences Department, University of
  9. *                    Wisconsin -- Madison
  10. * All Rights Reserved.
  11. *
  12. * Permission to use, copy, modify and distribute this software and its
  13. * documentation is hereby granted, provided that both the copyright
  14. * notice and this permission notice appear in all copies of the
  15. * software, derivative works or modified versions, and any portions
  16. * thereof, and that both notices appear in supporting documentation.
  17. *
  18. * THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
  19. * MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.  
  20. * THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
  21. * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  22. *
  23. * The EXODUS Project Group requests users of this software to return 
  24. * any improvements or extensions that they make to:
  25. *
  26. *   EXODUS Project Group 
  27. *     c/o David J. DeWitt and Michael J. Carey
  28. *   Computer Sciences Department
  29. *   University of Wisconsin -- Madison
  30. *   Madison, WI 53706
  31. *
  32. *     or exodus@cs.wisc.edu
  33. *
  34. * In addition, the EXODUS Project Group requests that users grant the 
  35. * Computer Sciences Department rights to redistribute these changes.
  36. **********************************************************************/
  37.  
  38. #include "sysdefs.h"
  39. #include "ess.h"
  40. #include "checking.h"
  41. #include "trace.h"
  42. #include "error.h"
  43. #include "list.h"
  44. #include "pool.h"
  45. #include "tid.h"
  46. #include "io.h"
  47. #include "lock.h"
  48. #include "object.h"
  49. #include "msgdefs.h"
  50. #include "thread.h"
  51. #include "semaphore.h"
  52. #include "latch.h"
  53. #include "link.h"
  54. #include "lsn.h"
  55. #include "bf.h"
  56. #include "volume.h"
  57. #include "openlog.h"
  58. #include "trans.h"
  59. #include "logrecs.h"
  60. #include "logaction.h"
  61. #include "util_funcs.h"
  62. #include "log_intfuncs.h"
  63. #include "log_extfuncs.h"
  64. #include "recover_intfuncs.h"
  65. #include "recover_extfuncs.h"
  66. #include "redo_extfuncs.h"
  67. #include "bf_extfuncs.h"
  68. #include "thread_globals.h"
  69.  
  70.  
  71.  void
  72. redoUser (
  73.  
  74.     register LOGRECORDHDR    *record,
  75.     register LSNOFFSET        recordLSN 
  76. )
  77. {
  78.  
  79.     TRACE(TR_LOG|TR_RECOVER, TR_LEVEL_1);
  80.  
  81.     if (record->flags & UNDO_ONLY)  {
  82.         /* Only one record currently uses this flag */
  83.         SM_ASSERT(LEVEL_3, (record->action == LOG_ACTION_LHASH_DIR_LOAD_UPDATE)
  84.                         || (record->action == LOG_ACTION_LHASH_DIR_ROOT_CTRL));
  85.         return;
  86.     }
  87.  
  88.     TRPRINT(TR_LOG|TR_RECOVER, TR_LEVEL_1, ("action %d", record->action));
  89.     /*
  90.      *    process the record
  91.      */
  92.     switch (record->action)    {
  93.  
  94.         case LOG_ACTION_ALLOCATE_PAGE:
  95.  
  96.             redoPageAllocation(record);
  97.             break;
  98.  
  99.         case LOG_ACTION_DEALLOCATE_PAGE:
  100.  
  101.             redoPageDeallocation(record);
  102.             break;
  103.  
  104.         case LOG_ACTION_MARK_FILE_PAGE:
  105.         case LOG_ACTION_UNMARK_FILE_PAGE:
  106.         case LOG_ACTION_MARK_SLOTTED_PAGE:
  107.         case LOG_ACTION_UNMARK_SLOTTED_PAGE:
  108.  
  109.             redoPageMark(record);
  110.             break;
  111.  
  112.         case LOG_ACTION_SET_ROOTENTRY:
  113.  
  114.             redoSetRootEntry(record);
  115.             break;
  116.  
  117.         case LOG_ACTION_UNSET_ROOTENTRY:
  118.  
  119.             redoUnSetRootEntry(record);
  120.             break;
  121.  
  122.         case LOG_ACTION_REMOVE_ROOTENTRY:
  123.  
  124.             redoRemoveRootEntry(record);
  125.             break;
  126.  
  127.         case LOG_ACTION_INCREMENT_UNIQUE:
  128.  
  129.             redoGetUnique(record);
  130.             break;
  131.  
  132.         case LOG_ACTION_SLOTTED_PAGE_FORMAT:
  133.  
  134.             redoSlottedFormat(record);
  135.             break;
  136.  
  137.         case LOG_ACTION_FILE_ROOT_FORMAT:
  138.  
  139.             redoFileRootFormat(record);
  140.             break;
  141.  
  142.         case LOG_ACTION_INSERT_FILE_KEY:
  143.  
  144.             redoFileKeyInsert(record);
  145.             break;
  146.  
  147.         case LOG_ACTION_DELETE_FILE_KEY:
  148.  
  149.             redoFileKeyDelete(record);
  150.             break;
  151.  
  152.         case LOG_ACTION_SPLIT_FILE_NODE:
  153.  
  154.             redoSplitFileNode(record);
  155.             break;
  156.  
  157.         case LOG_ACTION_FILE_ADD_SLOTTED:
  158.             redoFileAddSlotted(record);
  159.             break;
  160.  
  161.         case LOG_ACTION_FILE_REMOVE_SLOTTED:
  162.             redoFileRemoveSlotted(record);
  163.             break;
  164.  
  165.         case LOG_ACTION_LARGE_OBJ_ON_PAGE:
  166.  
  167.             redoMarkLargeObjOnPage(record);
  168.             break;
  169.  
  170.         case LOG_ACTION_NO_LARGE_OBJ_ON_PAGE:
  171.             
  172.             redoUnMarkLargeObjOnPage(record);
  173.             break;
  174.  
  175.         case LOG_ACTION_WRITE_SMALL_OBJ:
  176.         case LOG_ACTION_WRITE_SMALL_OBJ_ND:
  177.             redoWriteSmallObj(record);
  178.             break;
  179.  
  180.         case LOG_ACTION_CREATE_SMALL_OBJ:
  181.         case LOG_ACTION_CREATE_SMALL_OBJ_ND:
  182.             redoCreateSmallObj(record);
  183.             break;
  184.  
  185.         case LOG_ACTION_DESTROY_SMALL_OBJ:
  186.         case LOG_ACTION_DESTROY_SMALL_OBJ_ND:
  187.             redoDestroySmallObj(record);
  188.             break;
  189.  
  190.         case LOG_ACTION_INSERT_SMALL_OBJ:
  191.         case LOG_ACTION_INSERT_SMALL_OBJ_ND:
  192.             redoInsertSmallObj(record);
  193.             break;
  194.  
  195.         case LOG_ACTION_APPEND_SMALL_OBJ:
  196.         case LOG_ACTION_APPEND_SMALL_OBJ_ND:
  197.             redoAppendSmallObj(record);
  198.             break;
  199.  
  200.         case LOG_ACTION_DELETE_SMALL_OBJ:
  201.         case LOG_ACTION_DELETE_SMALL_OBJ_ND:
  202.             redoDeleteSmallObj(record);
  203.             break;
  204.  
  205.         case LOG_ACTION_FORWARD_SMALL_OBJ:
  206.             redoForwardSmallObj(record);
  207.             break;
  208.  
  209.         case LOG_ACTION_CHANGE_SMALL_OBJHDR:
  210.             redoChangeSmallObjHdr(record);
  211.             break;
  212.  
  213.         case LOG_ACTION_WRITE_LARGE_DATA:
  214.         case LOG_ACTION_APPEND_LARGE_DATA:
  215.         case LOG_ACTION_WRITE_LARGE_DATA_ND:
  216.         case LOG_ACTION_APPEND_LARGE_DATA_ND:
  217.             redoWriteLargeData(record);
  218.             break;
  219.  
  220.         case LOG_ACTION_INSERT_LARGE_DATA:
  221.         case LOG_ACTION_DELETE_LARGE_DATA:
  222.         case LOG_ACTION_INSERT_LARGE_DATA_ND:
  223.             redoInsertLargeData(record);
  224.             break;
  225.  
  226.         case LOG_ACTION_REMOVE_LARGE_DATA:
  227.             /* do nothing */
  228.             break;
  229.  
  230.         case LOG_ACTION_INIT_LARGE_NODE:
  231.             redoInitLargeNode(record);
  232.             break;
  233.  
  234.         case LOG_ACTION_WRITE_LARGE_NODE:
  235.             redoWriteLargeNode(record);
  236.             break;
  237.  
  238.         case LOG_ACTION_WRITE_LARGE_SLOTS:
  239.         case LOG_ACTION_APPEND_LARGE_SLOTS:
  240.         case LOG_ACTION_INSERT_LARGE_SLOTS:
  241.             redoWriteLargeSlots(record);
  242.             break;
  243.  
  244.         case LOG_ACTION_REMOVE_LARGE_SLOTS:
  245.         case LOG_ACTION_DELETE_LARGE_SLOTS:
  246.             redoRemoveLargeSlots(record);
  247.             break;
  248.  
  249.         case LOG_ACTION_CONVERT_TO_LARGEROOT:
  250.             redoConvertToLargeRoot(record);
  251.             break;
  252.  
  253.         case LOG_ACTION_CONVERT_TO_LARGEHDR:
  254.             redoConvertToLargeHdr(record);
  255.             break;
  256.  
  257.         case LOG_ACTION_CONVERT_TO_SMALL:
  258.             redoConvertToSmall(record);
  259.             break;
  260.  
  261.         case LOG_ACTION_UNDO_CONVERT_TO_LARGEROOT:
  262.             redoUndoConvertToLargeRoot(record);
  263.             break;
  264.  
  265.         case LOG_ACTION_UNDO_CONVERT_TO_LARGEHDR:
  266.             redoUndoConvertToLargeHdr(record);
  267.             break;
  268.  
  269.         case LOG_ACTION_INCREMENT_SLOT_BYTECOUNTS:
  270.         case LOG_ACTION_DECREMENT_SLOT_BYTECOUNTS:
  271.             redoChangeSlotByteCounts(record);
  272.             break;
  273.  
  274.         case LOG_ACTION_FILE_CREATE_DONE:
  275.         case LOG_ACTION_INSERT_FILE_KEY_DONE:
  276.         case LOG_ACTION_TRANS_DIRTY_PAGES:
  277.         case LOG_ACTION_LOGICAL_FILE_DESTROY:
  278.         case LOG_ACTION_PURE_CLR:
  279.  
  280.             break;
  281.  
  282.         case LOG_ACTION_LG_NODE_PAGE_FORMAT:
  283.  
  284.             redoLgNodePageFormat(record);
  285.             break;
  286.  
  287.         case LOG_ACTION_LG_DATA_PAGE_FORMAT:
  288.  
  289.             redoLgDataPageFormat(record);
  290.             break;
  291.  
  292.         case LOG_ACTION_BTREE_PAGE_FORMAT:
  293.  
  294.             redoBtreePageFormat(record);
  295.             break;
  296.  
  297.         case LOG_ACTION_BTREE_PAGE_INIT:
  298.         case LOG_ACTION_BTREE_MODIFY_LINK:
  299.         case LOG_ACTION_BTREE_MODIFY_VECTOR0:
  300.         case LOG_ACTION_BTREE_MODIFY_LEVEL:
  301.         case LOG_ACTION_BTREE_PHYSIC_INSERT:
  302.         case LOG_ACTION_BTREE_PHYSIC_DELETE:
  303.         case LOG_ACTION_BTREE_LOGIC_INSERT:
  304.         case LOG_ACTION_BTREE_LOGIC_DELETE:
  305.         case LOG_ACTION_BTREE_LOGIC_SET_OVERFLOW:
  306.         case LOG_ACTION_BTREE_LOGIC_RESET_OVERFLOW:
  307.         case LOG_ACTION_BTREE_LOGIC_INCR_OIDCNT:
  308.         case LOG_ACTION_BTREE_LOGIC_DECR_OIDCNT:
  309.             
  310.             redoBtree(record);
  311.             break;
  312.             
  313.         case LOG_ACTION_BTOV_PAGE_INIT:
  314.         case LOG_ACTION_BTOV_MODIFY_NEXT_LINK:
  315.         case LOG_ACTION_BTOV_MODIFY_PREV_LINK:
  316.         case LOG_ACTION_BTOV_INSERT:
  317.         case LOG_ACTION_BTOV_DELETE:
  318.             
  319.             redoBtOv(record);
  320.             break;
  321.  
  322.         case LOG_ACTION_LHASH_DIRPAGE_FORMAT:
  323.         case LOG_ACTION_LHASH_INDEXPAGE_FORMAT:
  324.         case LOG_ACTION_LHASH_DIRPAGE_INIT:
  325.         case LOG_ACTION_LHASH_INDEXPAGE_INIT:
  326.         case LOG_ACTION_LHASH_PHYSIC_INSERT:
  327.         case LOG_ACTION_LHASH_PHYSIC_DELETE:
  328.         case LOG_ACTION_LHASH_PHYLOG_INSERT:
  329.         case LOG_ACTION_LHASH_PHYLOG_DELETE:
  330.         case LOG_ACTION_LHASH_LOGIC_INSERT:
  331.         case LOG_ACTION_LHASH_LOGIC_DELETE:
  332.         case LOG_ACTION_LHASH_SET_INDEX_OVERFLOW:
  333.         case LOG_ACTION_LHASH_RESET_INDEX_OVERFLOW:
  334.         case LOG_ACTION_LHASH_DIR_UPDATE:
  335.         case LOG_ACTION_LHASH_DIR_LOAD_UPDATE:
  336.         case LOG_ACTION_LHASH_DIR_SET_NEXT_ENTRY:
  337.         case LOG_ACTION_LHASH_DIR_SPLIT_COPY:
  338.         case LOG_ACTION_LHASH_DIR_SPLIT_RESET:
  339.         case LOG_ACTION_LHASH_LOGIC_SET_OVERFLOW:
  340.         case LOG_ACTION_LHASH_LOGIC_RESET_OVERFLOW:
  341.         case LOG_ACTION_LHASH_LOGIC_INCR_OIDCNT:
  342.         case LOG_ACTION_LHASH_LOGIC_DECR_OIDCNT:
  343.         case LOG_ACTION_LHASH_OV_CONVERT:
  344.         case LOG_ACTION_LHASH_SET_THRESHOLD:
  345.         case LOG_ACTION_LHASH_DIR_ROOT_CTRL:
  346.         
  347.             redoLHash(record);
  348.             break;
  349.  
  350.  
  351.         case LOG_ACTION_NDXDESC_PAGE_FORMAT:
  352.  
  353.             redoNdxDescPageFormat(record);
  354.             break;
  355.             
  356.         case LOG_ACTION_CREATE_INDEX:
  357.         
  358.             redoCreateIndex(record);
  359.             break;
  360.             
  361.         case LOG_ACTION_ENTIRE_SLOTTED:        
  362.         case LOG_ACTION_ENTIRE_LARGE_NODE:
  363.         case LOG_ACTION_ENTIRE_LARGE_DATA:
  364.         case LOG_ACTION_ENTIRE_BTREE_PAGE:
  365.         case LOG_ACTION_ENTIRE_INDEXDESC:
  366.             redoEntirePage(record);
  367.             break;
  368.  
  369.         case LOG_ACTION_BTOV_PAGE_FORMAT:
  370.         default:
  371.  
  372.             TRPRINT(TR_RECOVER, TR_LEVEL_1,
  373.                 ("unknown action %d", record->action));
  374.             SM_ERROR(TYPE_FATAL, esmINTERNAL);
  375.             break;
  376.     }
  377. }
  378.