src/StoreIOState.cc

   1 /*
   2  * Copyright (C) 1996-2021 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 20    Swap Dir base object */
  10
  11 #include "squid.h"
  12 #include "Debug.h"
  13 #include "defines.h"
  14 #include "Store.h"
  15 #include "StoreIOState.h"
  16
  17 void *
  18 StoreIOState::operator new (size_t)
  19 {
  20     assert(0);
  21     return (void *)1;
  22 }
  23
  24 void
  25 StoreIOState::operator delete (void *)
  26 {
  27     assert(0);
  28 }
  29
  30 StoreIOState::StoreIOState(StoreIOState::STFNCB *cbFile, StoreIOState::STIOCB *cbIo, void *data) :
  31     swap_dirn(-1),
  32     swap_filen(-1),
  33     e(NULL),
  34     mode(O_BINARY),
  35     offset_(0),
  36     file_callback(cbFile),
  37     callback(cbIo),
  38     callback_data(cbdataReference(data))
  39 {
  40     read.callback = NULL;
  41     read.callback_data = NULL;
  42     flags.closing = false;
  43 }
  44
  45 StoreIOState::~StoreIOState()
  46 {
  47     debugs(20,3, "StoreIOState::~StoreIOState: " << this);
  48
  49     if (read.callback_data)
  50         cbdataReferenceDone(read.callback_data);
  51
  52     if (callback_data)
  53         cbdataReferenceDone(callback_data);
  54 }
  55
  56 bool StoreIOState::touchingStoreEntry() const
  57 {
  58     return e && e->swap_filen == swap_filen;
  59 }
  60