src/fs/ufs/RebuildState.h

   1 /*
   2  * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_FS_UFS_REBUILDSTATE_H
  10 #define SQUID_FS_UFS_REBUILDSTATE_H
  11
  12 #include "base/RefCount.h"
  13 #include "store_rebuild.h"
  14 #include "UFSSwapDir.h"
  15 #include "UFSSwapLogParser.h"
  16
  17 class StoreEntry;
  18
  19 namespace Fs
  20 {
  21 namespace Ufs
  22 {
  23
  24 class RebuildState : public RefCountable
  25 {
  26     CBDATA_CLASS(RebuildState);
  27
  28 public:
  29     static EVH RebuildStep;
  30
  31     RebuildState(RefCount<UFSSwapDir> sd);
  32     ~RebuildState();
  33
  34     virtual bool error() const;
  35     virtual bool isDone() const;
  36     virtual StoreEntry *currentItem();
  37
  38     RefCount<UFSSwapDir> sd;
  39     int n_read;
  40     /*    FILE *log;*/
  41     Fs::Ufs::UFSSwapLogParser *LogParser;
  42     int curlvl1;
  43     int curlvl2;
  44
  45     struct Flags {
  46         Flags() : need_to_validate(false), clean(false), init(false) {}
  47         bool need_to_validate;
  48         bool clean;
  49         bool init;
  50     } flags;
  51     int in_dir;
  52     int done;
  53     int fn;
  54
  55     dirent_t *entry;
  56     DIR *td;
  57     char fullpath[MAXPATHLEN];
  58     char fullfilename[MAXPATHLEN];
  59
  60     StoreRebuildData counts;
  61
  62 private:
  63     void rebuildFromDirectory();
  64     void rebuildFromSwapLog();
  65     void rebuildStep();
  66     void undoAdd();
  67     int getNextFile(sfileno *, int *size);
  68     StoreEntry *currentEntry() const;
  69     void currentEntry(StoreEntry *);
  70     StoreEntry *e;
  71     bool fromLog;
  72     bool _done;
  73     /// \bug (callback) should be hidden behind a proper human readable name
  74     void (callback)(void *cbdata);
  75     void *cbdata;
  76 };
  77
  78 } /* namespace Ufs */
  79 } /* namespace Fs */
  80
  81 #endif /* SQUID_FS_UFS_REBUILDSTATE_H */
  82