1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNETWORKACCESSHTTPBACKEND_P_H
#define QNETWORKACCESSHTTPBACKEND_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the Network Access API. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "qhttpnetworkconnection_p.h"
#include "qnetworkaccessbackend_p.h"
#include "qnetworkrequest.h"
#include "qnetworkreply.h"
#include "qabstractsocket.h"
#include "QtCore/qpointer.h"
#include "QtCore/qdatetime.h"
#ifndef QT_NO_HTTP
QT_BEGIN_NAMESPACE
class QNetworkAccessHttpBackendCache;
class QNetworkAccessHttpBackendIODevice;
class QNetworkAccessHttpBackend: public QNetworkAccessBackend
{
Q_OBJECT
public:
QNetworkAccessHttpBackend();
virtual ~QNetworkAccessHttpBackend();
virtual void open();
virtual void closeDownstreamChannel();
virtual void closeUpstreamChannel();
virtual bool waitForDownstreamReadyRead(int msecs);
virtual bool waitForUpstreamBytesWritten(int msecs);
virtual void upstreamReadyRead();
virtual void downstreamReadyWrite();
virtual void copyFinished(QIODevice *);
#ifndef QT_NO_OPENSSL
virtual void ignoreSslErrors();
virtual void fetchSslConfiguration(QSslConfiguration &configuration) const;
virtual void setSslConfiguration(const QSslConfiguration &configuration);
#endif
QNetworkCacheMetaData fetchCacheMetaData(const QNetworkCacheMetaData &metaData) const;
qint64 deviceReadData(char *buffer, qint64 maxlen);
private slots:
void replyReadyRead();
void replyFinished();
void replyHeaderChanged();
void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);
void httpError(QNetworkReply::NetworkError error, const QString &errorString);
bool sendCacheContents(const QNetworkCacheMetaData &metaData);
private:
QHttpNetworkReply *httpReply;
QPointer<QNetworkAccessHttpBackendCache> http;
QByteArray cacheKey;
QNetworkAccessHttpBackendIODevice *uploadDevice;
#ifndef QT_NO_OPENSSL
QSslConfiguration *pendingSslConfiguration;
bool pendingIgnoreSslErrors;
#endif
void disconnectFromHttp();
void finished(); // override
void setupConnection();
void validateCache(QHttpNetworkRequest &httpRequest, bool &loadedFromCache);
void invalidateCache();
void postRequest();
void readFromHttp();
void checkForRedirect(const int statusCode);
friend class QNetworkAccessHttpBackendIODevice;
};
class QNetworkAccessHttpBackendFactory : public QNetworkAccessBackendFactory
{
public:
virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
const QNetworkRequest &request) const;
};
QT_END_NAMESPACE
#endif // QT_NO_HTTP
#endif
|
