source: trunk/src/network/access/qnetworkdiskcache.cpp@ 769

Last change on this file since 769 was 769, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.3 sources from branches/vendor/nokia/qt.

File size: 19.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtNetwork module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42//#define QNETWORKDISKCACHE_DEBUG
43
44
45#include "qnetworkdiskcache.h"
46#include "qnetworkdiskcache_p.h"
47#include "QtCore/qscopedpointer.h"
48
49#include <qfile.h>
50#include <qdir.h>
51#include <qdatetime.h>
52#include <qdiriterator.h>
53#include <qcryptographichash.h>
54#include <qurl.h>
55
56#include <qdebug.h>
57
58#define CACHE_PREFIX QLatin1String("cache_")
59#define CACHE_POSTFIX QLatin1String(".cache")
60#define MAX_COMPRESSION_SIZE (1024 * 1024 * 3)
61
62#ifndef QT_NO_NETWORKDISKCACHE
63
64QT_BEGIN_NAMESPACE
65
66/*!