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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QHTTPNETWORKCONNECTION_H
#define QHTTPNETWORKCONNECTION_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 <QtNetwork/qnetworkrequest.h>
#include <QtNetwork/qnetworkreply.h>
#include <QtNetwork/qabstractsocket.h>
#include <QtNetwork/qnetworksession.h>
#include <private/qobject_p.h>
#include <qauthenticator.h>
#include <qnetworkproxy.h>
#include <qbuffer.h>
#include <private/qhttpnetworkheader_p.h>
#include <private/qhttpnetworkrequest_p.h>
#include <private/qhttpnetworkreply_p.h>
#include <private/qhttpnetworkconnectionchannel_p.h>
#ifndef QT_NO_HTTP
#ifndef QT_NO_OPENSSL
# include <QtNetwork/qsslsocket.h>
# include <QtNetwork/qsslerror.h>
#else
# include <QtNetwork/qtcpsocket.h>
#endif
QT_BEGIN_NAMESPACE
class QHttpNetworkRequest;
class QHttpNetworkReply;
class QByteArray;
class QHttpNetworkConnectionPrivate;
class Q_AUTOTEST_EXPORT QHttpNetworkConnection : public QObject
{
Q_OBJECT
public:
#ifndef QT_NO_BEARERMANAGEMENT
QHttpNetworkConnection(const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0, QSharedPointer<QNetworkSession> networkSession = QSharedPointer<QNetworkSession>());
QHttpNetworkConnection(quint16 channelCount, const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0, QSharedPointer<QNetworkSession> networkSession = QSharedPointer<QNetworkSession>());
#else
QHttpNetworkConnection(const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0);
QHttpNetworkConnection(quint16 channelCount, const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0);
#endif
~QHttpNetworkConnection();
//The hostname to which this is connected to.
QString hostName() const;
//The HTTP port in use.
quint16 port() const;
//add a new HTTP request through this connection
QHttpNetworkReply* sendRequest(const QHttpNetworkRequest &request);
#ifndef QT_NO_NETWORKPROXY
//set the proxy for this connection
void setCacheProxy(const QNetworkProxy &networkProxy);
QNetworkProxy cacheProxy() const;
void setTransparentProxy(const QNetworkProxy &networkProxy);
QNetworkProxy transparentProxy() const;
#endif
bool isSsl() const;
QHttpNetworkConnectionChannel *channels() const;
#ifndef QT_NO_OPENSSL
void setSslConfiguration(const QSslConfiguration &config);
void ignoreSslErrors(int channel = -1);
void ignoreSslErrors(const QList<QSslError> &errors, int channel = -1);
#endif
private:
Q_DECLARE_PRIVATE(QHttpNetworkConnection)
Q_DISABLE_COPY(QHttpNetworkConnection)
friend class QHttpNetworkReply;
friend class QHttpNetworkReplyPrivate;
friend class QHttpNetworkConnectionChannel;
Q_PRIVATE_SLOT(d_func(), void _q_startNextRequest())
};
// private classes
typedef QPair<QHttpNetworkRequest, QHttpNetworkReply*> HttpMessagePair;
class QHttpNetworkConnectionPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QHttpNetworkConnection)
public:
static const int defaultChannelCount;
static const int defaultPipelineLength;
static const int defaultRePipelineLength;
enum ConnectionState {
RunningState = 0,
PausedState = 1,
};
QHttpNetworkConnectionPrivate(const QString &hostName, quint16 port, bool encrypt);
QHttpNetworkConnectionPrivate(quint16 channelCount, const QString &hostName, quint16 port, bool encrypt);
~QHttpNetworkConnectionPrivate();
void init();
void pauseConnection();
void resumeConnection();
ConnectionState state;
enum { ChunkSize = 4096 };
int indexOf(QAbstractSocket *socket) const;
QHttpNetworkReply *queueRequest(const QHttpNetworkRequest &request);
void requeueRequest(const HttpMessagePair &pair); // e.g. after pipeline broke
bool dequeueRequest(QAbstractSocket *socket);
void prepareRequest(HttpMessagePair &request);
QHttpNetworkRequest predictNextRequest();
void fillPipeline(QAbstractSocket *socket);
bool fillPipeline(QList<HttpMessagePair> &queue, QHttpNetworkConnectionChannel &channel);
// read more HTTP body after the next event loop spin
void readMoreLater(QHttpNetworkReply *reply);
void copyCredentials(int fromChannel, QAuthenticator *auth, bool isProxy);
// private slots
void _q_startNextRequest(); // send the next request from the queue
void createAuthorization(QAbstractSocket *socket, QHttpNetworkRequest &request);
QString errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket *socket,
const QString &extraDetail = QString());
#ifndef QT_NO_COMPRESS
bool expand(QAbstractSocket *socket, QHttpNetworkReply *reply, bool dataComplete);
#endif
void removeReply(QHttpNetworkReply *reply);
QString hostName;
quint16 port;
bool encrypt;
const int channelCount;
QHttpNetworkConnectionChannel *channels; // parallel connections to the server
qint64 uncompressedBytesAvailable(const QHttpNetworkReply &reply) const;
qint64 uncompressedBytesAvailableNextBlock(const QHttpNetworkReply &reply) const;
void emitReplyError(QAbstractSocket *socket, QHttpNetworkReply *reply, QNetworkReply::NetworkError errorCode);
bool handleAuthenticateChallenge(QAbstractSocket *socket, QHttpNetworkReply *reply, bool isProxy, bool &resend);
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy networkProxy;
void emitProxyAuthenticationRequired(const QHttpNetworkConnectionChannel *chan, const QNetworkProxy &proxy, QAuthenticator* auth);
#endif
//The request queues
QList<HttpMessagePair> highPriorityQueue;
QList<HttpMessagePair> lowPriorityQueue;
#ifndef QT_NO_BEARERMANAGEMENT
QSharedPointer<QNetworkSession> networkSession;
#endif
friend class QHttpNetworkConnectionChannel;
};
QT_END_NAMESPACE
#endif // QT_NO_HTTP
#endif
|