src/fs/ufs/StoreSearchUFS.cc

   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 /* 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), walker (sd->repl->WalkInit(sd->repl)),
  20     current (NULL), _done (false)
  21 {}
  22
  23 Fs::Ufs::StoreSearchUFS::~StoreSearchUFS()
  24 {
  25     walker->Done(walker);
  26     walker = NULL;
  27 }
  28
  29 void
  30 Fs::Ufs::StoreSearchUFS::next(void (aCallback)(void *cbdata), void *aCallbackArgs)
  31 {
  32     next();
  33     aCallback(aCallbackArgs);
  34 }
  35
  36 bool
  37 Fs::Ufs::StoreSearchUFS::next()
  38 {
  39     /* the walker API doesn't make sense. the store entries referred to are already readwrite
  40      * from their hash table entries
  41      */
  42
  43     if (walker)
  44         current = const_cast<StoreEntry *>(walker->Next(walker));
  45
  46     if (current == NULL)
  47         _done = true;
  48
  49     return current != NULL;
  50 }
  51
  52 bool
  53 Fs::Ufs::StoreSearchUFS::error() const
  54 {
  55     return false;
  56 }
  57
  58 bool
  59 Fs::Ufs::StoreSearchUFS::isDone() const
  60 {
  61     return _done;
  62 }
  63
  64 StoreEntry *
  65 Fs::Ufs::StoreSearchUFS::currentItem()
  66 {
  67     return current;
  68 }
  69