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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/network/access/qhttpnetworkconnection_p.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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);
+
+ 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