src/fs/ufs/StoreSearchUFS.cc

   1 /*
   2  * Copyright (C) 1996-2020 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 /* DEBUG: section 47    Store Directory Routines */
  10
  11 #include "squid.h"
  12 #include "cbdata.h"
  13 #include "StoreSearchUFS.h"
  14 #include "UFSSwapDir.h"
  15
  16 CBDATA_NAMESPACED_CLASS_INIT(Fs::Ufs,StoreSearchUFS);
  17
  18 Fs::Ufs::StoreSearchUFS::StoreSearchUFS(RefCount<UFSSwapDir> aSwapDir) :
  19     sd(aSwapDir),
  20     walker(sd->repl->WalkInit(sd->repl)),
  21     cbdata(NULL),
  22     current(NULL),
  23     _done(false)
  24 {}
  25
  26 Fs::Ufs::StoreSearchUFS::~StoreSearchUFS()
  27 {
  28     walker->Done(walker);
  29     walker = NULL;
  30 }
  31
  32 void
  33 Fs::Ufs::StoreSearchUFS::next(void (aCallback)(void *cbdata), void *aCallbackArgs)
  34 {
  35     next();
  36     aCallback(aCallbackArgs);
  37 }
  38
  39 bool
  40 Fs::Ufs::StoreSearchUFS::next()
  41 {
  42     /* the walker API doesn't make sense. the store entries referred to are already readwrite
  43      * from their hash table entries
  44      */
  45
  46     if (walker)
  47         current = const_cast<StoreEntry *>(walker->Next(walker));
  48
  49     if (current == NULL)
  50         _done = true;
  51
  52     return current != NULL;
  53 }
  54
  55 bool
  56 Fs::Ufs::StoreSearchUFS::error() const
  57 {
  58     return false;
  59 }
  60
  61 bool
  62 Fs::Ufs::StoreSearchUFS::isDone() const
  63 {
  64     return _done;
  65 }
  66
  67 StoreEntry *
  68 Fs::Ufs::StoreSearchUFS::currentItem()
  69 {
  70     return current;
  71 }
  72