QNetworkAccessBackend Class Reference

#include <qnetworkaccessbackend_p.h>

Inheritance diagram for QNetworkAccessBackend:

Public Slots
void	writeDownstreamData (QIODevice *data)
Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Public Functions
QVariant	attribute (QNetworkRequest::Attribute code) const
virtual bool	canResume () const
virtual void	closeDownstreamChannel ()=0
virtual void	copyFinished (QIODevice *)
virtual void	downstreamReadyWrite ()
virtual void	emitReadBufferFreed (qint64 size)
virtual QNetworkCacheMetaData	fetchCacheMetaData (const QNetworkCacheMetaData &metaData) const
virtual void	fetchSslConfiguration (QSslConfiguration &configuration) const
bool	hasRawHeader (const QByteArray &headerName) const
QVariant	header (QNetworkRequest::KnownHeaders header) const
virtual void	ignoreSslErrors ()
virtual void	ignoreSslErrors (const QList< QSslError > &errors)
bool	isCachingEnabled () const
bool	isSynchronous ()
virtual bool	needsResetableUploadData ()
QAbstractNetworkCache *	networkCache () const
virtual void	open ()=0
QNetworkAccessManager::Operation	operation () const
virtual bool	processRequestSynchronously ()
QList< QNetworkProxy >	proxyList () const
	QNetworkAccessBackend ()
QByteArray	rawHeader (const QByteArray &headerName) const
QList< QByteArray >	rawHeaderList () const
QNetworkRequest	request () const
void	setAttribute (QNetworkRequest::Attribute code, const QVariant &value)
void	setCachingEnabled (bool enable)
virtual void	setDownstreamLimited (bool b)
void	setHeader (QNetworkRequest::KnownHeaders header, const QVariant &value)
void	setRawHeader (const QByteArray &headerName, const QByteArray &value)
virtual void	setReadBufferSize (qint64 size)
virtual void	setResumeOffset (quint64 offset)
virtual void	setSslConfiguration (const QSslConfiguration &configuration)
void	setSynchronous (bool sync)
void	setUrl (const QUrl &url)
virtual bool	start ()
	Starts the backend. More...
QUrl	url () const
virtual	~QNetworkAccessBackend ()
Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
const QObjectList &	children () const
	Returns a list of child objects. More...
bool	connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool	disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
bool	disconnect (const QObject *receiver, const char *member=0)
void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...
void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...
QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...
virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...
virtual bool	eventFilter (QObject *, QEvent *)
	Filters events if this object has been installed as an event filter for the watched object. More...
template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...
template<typename T >
QList< T >	findChildren (const QRegExp &re) const
bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...
void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...
bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...
void	killTimer (int id)
	Kills the timer with timer identifier, id. More...
virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...
void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...
QString	objectName () const
QObject *	parent () const
	Returns a pointer to the parent object. More...
QVariant	property (const char *name) const
	Returns the value of the object's name property. More...
Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...
void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...
void	setObjectName (const QString &name)
void	setParent (QObject *)
	Makes the object a child of parent. More...
bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...
void	setUserData (uint id, QObjectUserData *data)
bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...
int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
QThread *	thread () const
	Returns the thread in which the object lives. More...
QObjectUserData *	userData (uint id) const
virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Protected Slots
void	authenticationRequired (QAuthenticator *auth)
void	emitReplyUploadProgress (qint64 bytesSent, qint64 bytesTotal)
void	error (QNetworkReply::NetworkError code, const QString &errorString)
void	finished ()
void	metaDataChanged ()
void	proxyAuthenticationRequired (const QNetworkProxy &proxy, QAuthenticator *auth)
void	redirectionRequested (const QUrl &destination)
void	sslErrors (const QList< QSslError > &errors)

Protected Functions
QNonContiguousByteDevice *	createUploadByteDevice ()
char *	getDownloadBuffer (qint64)
qint64	nextDownstreamBlockSize () const
void	writeDownstreamData (QByteDataBuffer &list)
void	writeDownstreamDataDownloadBuffer (qint64, qint64)
Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...
virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...
virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...
virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...
	QObject (QObjectPrivate &dd, QObject *parent=0)
int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
int	senderSignalIndex () const
virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Protected Variables
QNetworkAccessManagerPrivate *	manager
QNetworkReplyImplPrivate *	reply
QSharedPointer< QNonContiguousByteDevice >	uploadByteDevice
Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Properties
bool	synchronous

Friends
class	QNetworkAccessManager
class	QNetworkAccessManagerPrivate
class	QNetworkReplyImplPrivate

Additional Inherited Members
Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...
Static Public Functions inherited from QObject
static bool	connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
static bool	connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
static bool	disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
	Disconnects signal in object sender from method in object receiver. More...
static bool	disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static uint	registerUserData ()
static QString	tr (const char *sourceText, const char *comment=0, int n=-1)
static QString	trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...
Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject
Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()
T *	qobject_cast (QObject *object)
	QObjectList
void *	qt_find_obj_child (QObject *parent, const char *type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 79 of file qnetworkaccessbackend_p.h.

Constructors and Destructors

QNetworkAccessBackend()

QNetworkAccessBackend::QNetworkAccessBackend

(

)

Definition at line 145 of file qnetworkaccessbackend.cpp.

    : manager(0)
    , reply(0)
    , synchronous(false)
{
}

~QNetworkAccessBackend()

QNetworkAccessBackend::~QNetworkAccessBackend ( )

virtual

Definition at line 152 of file qnetworkaccessbackend.cpp.

{
}

Functions

attribute()

QVariant QNetworkAccessBackend::attribute

(

QNetworkRequest::Attribute

code

)

const

Definition at line 300 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::postRequest().

{
    return reply->q_func()->attribute(code);
}

authenticationRequired

void QNetworkAccessBackend::authenticationRequired ( QAuthenticator *  auth )

protectedslot

Definition at line 340 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessHttpBackend::httpAuthenticationRequired(), and QNetworkAccessHttpBackend::postRequest().

{
    manager->authenticationRequired(this, authenticator);
}

canResume()

virtual bool QNetworkAccessBackend::canResume ( ) const

inlinevirtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 168 of file qnetworkaccessbackend_p.h.

{ return false; }

closeDownstreamChannel()

virtual void QNetworkAccessBackend::closeDownstreamChannel ( )

pure virtual

Implemented in QNetworkAccessFtpBackend, QNetworkAccessHttpBackend, QNetworkAccessFileBackend, and QNetworkAccessCacheBackend.

Referenced by QNetworkReplyImplPrivate::handleNotifications().

copyFinished()

void QNetworkAccessBackend::copyFinished ( QIODevice *  )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 179 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkReplyImplPrivate::handleNotifications().

{
    // do nothing
}

createUploadByteDevice()

QNonContiguousByteDevice * QNetworkAccessBackend::createUploadByteDevice ( )

protected

Definition at line 113 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFileBackend::open(), QNetworkAccessFtpBackend::open(), QNetworkAccessHttpBackend::postRequest(), and processRequestSynchronously().

{
    if (reply->outgoingDataBuffer)
        uploadByteDevice = QSharedPointer<QNonContiguousByteDevice>(QNonContiguousByteDeviceFactory::create(reply->outgoingDataBuffer));
    else if (reply->outgoingData) {
        uploadByteDevice = QSharedPointer<QNonContiguousByteDevice>(QNonContiguousByteDeviceFactory::create(reply->outgoingData));
    } else {
        return 0;
    }

    bool bufferDisallowed =
            reply->request.attribute(QNetworkRequest::DoNotBufferUploadDataAttribute,
                          QVariant(false)) == QVariant(true);
    if (bufferDisallowed)
        uploadByteDevice->disableReset();

    // We want signal emissions only for normal asynchronous uploads
    if (!isSynchronous())
        connect(uploadByteDevice.data(), SIGNAL(readProgress(qint64,qint64)), this, SLOT(emitReplyUploadProgress(qint64,qint64)));

    return uploadByteDevice.data();
}

downstreamReadyWrite()

void QNetworkAccessBackend::downstreamReadyWrite ( )

virtual

Reimplemented in QNetworkAccessFtpBackend, QNetworkAccessHttpBackend, QNetworkAccessCacheBackend, and QNetworkAccessFileBackend.

Definition at line 156 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkReplyImplPrivate::handleNotifications().

{
    // do nothing
}

emitReadBufferFreed()

void QNetworkAccessBackend::emitReadBufferFreed ( qint64  size )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 173 of file qnetworkaccessbackend.cpp.

{
    Q_UNUSED(size);
    // do nothing
}

emitReplyUploadProgress

void QNetworkAccessBackend::emitReplyUploadProgress ( qint64  bytesSent, qint64  bytesTotal  )

protectedslot

Definition at line 138 of file qnetworkaccessbackend.cpp.

{
    if (reply->isFinished)
        return;
    reply->emitUploadProgress(bytesSent, bytesTotal);
}

error

void QNetworkAccessBackend::error ( QNetworkReply::NetworkError  code, const QString &  errorString  )

protectedslot

Definition at line 327 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessHttpBackend::httpError(), QNetworkAccessFileBackend::loadFileInfo(), QNetworkAccessHttpBackend::needsResetableUploadData(), QNetworkAccessCacheBackend::open(), QNetworkAccessFileBackend::open(), QNetworkAccessFtpBackend::open(), QNetworkAccessHttpBackend::postRequest(), QNetworkAccessFileBackend::readMoreFromFile(), and QNetworkAccessFileBackend::uploadReadyReadSlot().

{
    reply->error(code, errorString);
}

fetchCacheMetaData()

QNetworkCacheMetaData QNetworkAccessBackend::fetchCacheMetaData ( const QNetworkCacheMetaData &  metaData ) const

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 205 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkReplyImplPrivate::initCacheSaveDevice().

{
    return QNetworkCacheMetaData();
}

fetchSslConfiguration()

void QNetworkAccessBackend::fetchSslConfiguration ( QSslConfiguration &  configuration ) const

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 195 of file qnetworkaccessbackend.cpp.

{
    // do nothing
}

finished

void QNetworkAccessBackend::finished ( )

protectedslot

Definition at line 322 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::copyFinished(), QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessFileBackend::loadFileInfo(), QNetworkAccessCacheBackend::open(), QNetworkAccessFileBackend::open(), QNetworkAccessFtpBackend::open(), QNetworkAccessHttpBackend::postRequest(), QNetworkAccessFileBackend::readMoreFromFile(), QNetworkAccessHttpBackend::replyFinished(), and QNetworkAccessFileBackend::uploadReadyReadSlot().

{
    reply->finished();
}

getDownloadBuffer()

char * QNetworkAccessBackend::getDownloadBuffer ( qint64  size )

protected

Definition at line 265 of file qnetworkaccessbackend.cpp.

Referenced by processRequestSynchronously().

{
    return reply->getDownloadBuffer(size);
}

hasRawHeader()

bool QNetworkAccessBackend::hasRawHeader

(

const QByteArray &

headerName

)

const

Definition at line 280 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::canResume(), and QNetworkAccessHttpBackend::loadFromCacheIfAllowed().

{
    return reply->q_func()->hasRawHeader(headerName);
}

header()

QVariant QNetworkAccessBackend::header

(

QNetworkRequest::KnownHeaders

header

)

const

Definition at line 270 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::checkForRedirect(), QNetworkAccessHttpBackend::fetchCacheMetaData(), QNetworkAccessHttpBackend::postRequest(), and QNetworkAccessHttpBackend::replyDownloadMetaData().

{
    return reply->q_func()->header(header);
}

ignoreSslErrors() [1/2]

void QNetworkAccessBackend::ignoreSslErrors ( )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 184 of file qnetworkaccessbackend.cpp.

{
    // do nothing
}

ignoreSslErrors() [2/2]

void QNetworkAccessBackend::ignoreSslErrors ( const QList< QSslError > &  errors )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 189 of file qnetworkaccessbackend.cpp.

{
    Q_UNUSED(errors);
    // do nothing
}

isCachingEnabled()

bool QNetworkAccessBackend::isCachingEnabled

(

)

const

Definition at line 239 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::replyDownloadMetaData().

{
    return reply->isCachingEnabled();
}

isSynchronous()

bool QNetworkAccessBackend::isSynchronous ( )

inline

Definition at line 159 of file qnetworkaccessbackend_p.h.

Referenced by QNetworkReplyImplPrivate::_q_startOperation(), QNetworkAccessManagerPrivate::authenticationRequired(), QNetworkAccessHttpBackend::postRequest(), QNetworkAccessManagerPrivate::proxyAuthenticationRequired(), QNetworkAccessHttpBackend::sendCacheContents(), and QNetworkReplyImplPrivate::setup().

{ return synchronous; }

metaDataChanged

void QNetworkAccessBackend::metaDataChanged ( )

protectedslot

Definition at line 345 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessFileBackend::loadFileInfo(), QNetworkAccessHttpBackend::replyDownloadMetaData(), and QNetworkAccessCacheBackend::sendCacheContents().

{
    reply->metaDataChanged();
}

needsResetableUploadData()

virtual bool QNetworkAccessBackend::needsResetableUploadData ( )

inlinevirtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 165 of file qnetworkaccessbackend_p.h.

Referenced by QNetworkReplyImplPrivate::setup().

{ return false; }

networkCache()

QAbstractNetworkCache * QNetworkAccessBackend::networkCache

(

)

const

Definition at line 227 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::invalidateCache(), QNetworkAccessHttpBackend::loadFromCacheIfAllowed(), QNetworkReplyImplPrivate::networkCache(), QNetworkAccessHttpBackend::replyDownloadMetaData(), QNetworkAccessCacheBackend::sendCacheContents(), and QNetworkAccessHttpBackend::sendCacheContents().

{
    if (!manager)
        return 0;
    return manager->networkCache;
}

nextDownstreamBlockSize()

qint64 QNetworkAccessBackend::nextDownstreamBlockSize ( ) const

protected

Definition at line 244 of file qnetworkaccessbackend.cpp.

Referenced by processRequestSynchronously(), and QNetworkAccessFileBackend::readMoreFromFile().

{
    return reply->nextDownstreamBlockSize();
}

open()

virtual void QNetworkAccessBackend::open ( )

pure virtual

Implemented in QNetworkAccessFtpBackend, QNetworkAccessHttpBackend, QNetworkAccessFileBackend, and QNetworkAccessCacheBackend.

Referenced by start().

operation()

QNetworkAccessManager::Operation QNetworkAccessBackend::operation

(

)

const

Definition at line 210 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::canResume(), QNetworkAccessCacheBackend::closeDownstreamChannel(), QNetworkAccessFileBackend::closeDownstreamChannel(), QNetworkAccessFtpBackend::closeDownstreamChannel(), QNetworkAccessFileBackend::downstreamReadyWrite(), QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessCacheBackend::open(), QNetworkAccessFileBackend::open(), QNetworkAccessFtpBackend::open(), QNetworkAccessHttpBackend::postRequest(), and QNetworkAccessCacheBackend::sendCacheContents().

{
    return reply->operation;
}

processRequestSynchronously()

virtual bool QNetworkAccessBackend::processRequestSynchronously ( )

inlinevirtual

Definition at line 171 of file qnetworkaccessbackend_p.h.

{ return false; }

proxyAuthenticationRequired

void QNetworkAccessBackend::proxyAuthenticationRequired ( const QNetworkProxy &  proxy, QAuthenticator *  auth  )

protectedslot

Definition at line 333 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::postRequest().

{
    manager->proxyAuthenticationRequired(this, proxy, authenticator);
}

proxyList()

QList< QNetworkProxy > QNetworkAccessBackend::proxyList

(

)

const

Definition at line 221 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::open(), and QNetworkAccessHttpBackend::postRequest().

{
    return reply->proxyList;
}

rawHeader()

QByteArray QNetworkAccessBackend::rawHeader

(

const QByteArray &

headerName

)

const

Definition at line 285 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::canResume(), QNetworkAccessHttpBackend::checkForRedirect(), QNetworkAccessHttpBackend::fetchCacheMetaData(), QNetworkAccessHttpBackend::postRequest(), and QNetworkAccessHttpBackend::replyDownloadMetaData().

{
    return reply->q_func()->rawHeader(headerName);
}

rawHeaderList()

QList< QByteArray > QNetworkAccessBackend::rawHeaderList

(

)

const

Definition at line 290 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::fetchCacheMetaData(), and QNetworkAccessHttpBackend::loadFromCacheIfAllowed().

{
    return reply->q_func()->rawHeaderList();
}

redirectionRequested

void QNetworkAccessBackend::redirectionRequested ( const QUrl &  destination )

protectedslot

Definition at line 350 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::checkForRedirect(), and QNetworkAccessCacheBackend::sendCacheContents().

{
    reply->redirectionRequested(target);
}

request()

QNetworkRequest QNetworkAccessBackend::request

(

)

const

Definition at line 215 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessManagerPrivate::authenticationRequired(), QNetworkAccessHttpBackend::canResume(), QNetworkAccessHttpBackend::fetchSslConfiguration(), QNetworkAccessHttpBackend::loadFromCacheIfAllowed(), QNetworkAccessHttpBackend::needsResetableUploadData(), and QNetworkAccessHttpBackend::postRequest().

{
    return reply->request;
}

setAttribute()

void QNetworkAccessBackend::setAttribute	(	QNetworkRequest::Attribute	code,
		const QVariant &	value
	)

Definition at line 305 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessCacheBackend::open(), QNetworkAccessHttpBackend::postRequest(), QNetworkAccessHttpBackend::replyDownloadMetaData(), QNetworkAccessCacheBackend::sendCacheContents(), and QNetworkAccessHttpBackend::sendCacheContents().

{
    if (value.isValid())
        reply->attributes.insert(code, value);
    else
        reply->attributes.remove(code);
}

setCachingEnabled()

void QNetworkAccessBackend::setCachingEnabled

(

bool

enable

)

Definition at line 234 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessHttpBackend::replyDownloadMetaData(), QNetworkAccessCacheBackend::sendCacheContents(), and QNetworkAccessHttpBackend::sendCacheContents().

{
    reply->setCachingEnabled(enable);
}

setDownstreamLimited()

void QNetworkAccessBackend::setDownstreamLimited ( bool  b )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 161 of file qnetworkaccessbackend.cpp.

{
    Q_UNUSED(b);
    // do nothing
}

setHeader()

void QNetworkAccessBackend::setHeader	(	QNetworkRequest::KnownHeaders	header,
		const QVariant &	value
	)

Definition at line 275 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpRawCommandReply(), and QNetworkAccessFileBackend::loadFileInfo().

{
    reply->setCookedHeader(header, value);
}

setRawHeader()

void QNetworkAccessBackend::setRawHeader	(	const QByteArray &	headerName,
		const QByteArray &	value
	)

Definition at line 295 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::replyDownloadMetaData(), QNetworkAccessCacheBackend::sendCacheContents(), and QNetworkAccessHttpBackend::sendCacheContents().

{
    reply->setRawHeader(headerName, headerValue);
}

setReadBufferSize()

void QNetworkAccessBackend::setReadBufferSize ( qint64  size )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 167 of file qnetworkaccessbackend.cpp.

{
    Q_UNUSED(size);
    // do nothing
}

setResumeOffset()

virtual void QNetworkAccessBackend::setResumeOffset ( quint64  offset )

inlinevirtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 169 of file qnetworkaccessbackend_p.h.

{ Q_UNUSED(offset); }

setSslConfiguration()

void QNetworkAccessBackend::setSslConfiguration ( const QSslConfiguration &  configuration )

virtual

Reimplemented in QNetworkAccessHttpBackend.

Definition at line 200 of file qnetworkaccessbackend.cpp.

{
    // do nothing
}

setSynchronous()

void QNetworkAccessBackend::setSynchronous ( bool  sync )

inline

Definition at line 160 of file qnetworkaccessbackend_p.h.

Referenced by QNetworkReplyImplPrivate::setup().

{ synchronous = sync; }

setUrl()

void QNetworkAccessBackend::setUrl

(

const QUrl &

url

)

Definition at line 317 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessFileBackend::open(), and QNetworkAccessFtpBackend::open().

{
    reply->url = url;
}

sslErrors

void QNetworkAccessBackend::sslErrors ( const QList< QSslError > &  errors )

protectedslot

Definition at line 355 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::postRequest(), and QNetworkAccessHttpBackend::replySslErrors().

{
#ifndef QT_NO_OPENSSL
    reply->sslErrors(errors);
#else
    Q_UNUSED(errors);
#endif
}

start()

bool QNetworkAccessBackend::start ( )

virtual

Starts the backend.

Returns true if the backend is started. Returns false if the backend could not be started due to an unopened or roaming session. The caller should recall this function once the session has been opened or the roaming process has finished.

Definition at line 369 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkReplyImplPrivate::_q_startOperation().

{
#ifndef QT_NO_BEARERMANAGEMENT
    // For bearer, check if session start is required
    QSharedPointer<QNetworkSession> networkSession(manager->getNetworkSession());
    if (networkSession) {
        // session required
        if (networkSession->isOpen() &&
            networkSession->state() == QNetworkSession::Connected) {
            // Session is already open and ready to use.
            // copy network session down to the backend
            setProperty("_q_networksession", QVariant::fromValue(networkSession));
        } else {
            // Session not ready, but can skip for loopback connections

            // This is not ideal.
            const QString host = reply->url.host();

            if (host == QLatin1String("localhost") ||
                QHostAddress(host) == QHostAddress::LocalHost ||
                QHostAddress(host) == QHostAddress::LocalHostIPv6) {
                // Don't need an open session for localhost access.
            } else {
                // need to wait for session to be opened
                return false;
            }
        }
    }
#endif

#ifndef QT_NO_NETWORKPROXY
#ifndef QT_NO_BEARERMANAGEMENT
    // Get the proxy settings from the network session (in the case of service networks,
    // the proxy settings change depending which AP was activated)
    QNetworkSession *session = networkSession.data();
    QNetworkConfiguration config;
    if (session) {
        QNetworkConfigurationManager configManager;
        // The active configuration tells us what IAP is in use
        QVariant v = session->sessionProperty(QLatin1String("ActiveConfiguration"));
        if (v.isValid())
            config = configManager.configurationFromIdentifier(qvariant_cast<QString>(v));
        // Fallback to using the configuration if no active configuration
        if (!config.isValid())
            config = session->configuration();
        // or unspecified configuration if that is no good either
        if (!config.isValid())
            config = QNetworkConfiguration();
    }
    reply->proxyList = manager->queryProxy(QNetworkProxyQuery(config, url()));
#else // QT_NO_BEARERMANAGEMENT
    // Without bearer management, the proxy depends only on the url
    reply->proxyList = manager->queryProxy(QNetworkProxyQuery(url()));
#endif
#endif

    // now start the request
    open();
    return true;
}

url()

QUrl QNetworkAccessBackend::url

(

)

const

Definition at line 312 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessHttpBackend::checkForRedirect(), QNetworkAccessFtpBackend::disconnectFromFtp(), QNetworkAccessFtpBackend::ftpDone(), QNetworkAccessHttpBackend::invalidateCache(), QNetworkAccessFileBackend::loadFileInfo(), QNetworkAccessHttpBackend::loadFromCacheIfAllowed(), QNetworkAccessCacheBackend::open(), QNetworkAccessFileBackend::open(), QNetworkAccessFtpBackend::open(), QNetworkAccessHttpBackend::postRequest(), QNetworkAccessFileBackend::readMoreFromFile(), QNetworkAccessHttpBackend::replyDownloadMetaData(), QNetworkAccessCacheBackend::sendCacheContents(), QNetworkAccessHttpBackend::sendCacheContents(), setUrl(), start(), and QNetworkAccessFileBackend::uploadReadyReadSlot().

{
    return reply->url;
}

writeDownstreamData() [1/2]

void QNetworkAccessBackend::writeDownstreamData ( QByteDataBuffer &  list )

protected

Definition at line 249 of file qnetworkaccessbackend.cpp.

Referenced by QNetworkAccessFtpBackend::ftpReadyRead(), processRequestSynchronously(), QNetworkAccessFileBackend::readMoreFromFile(), QNetworkAccessHttpBackend::replyDownloadData(), and QNetworkAccessCacheBackend::sendCacheContents().

{
    reply->appendDownstreamData(list);
}

writeDownstreamData [2/2]

void QNetworkAccessBackend::writeDownstreamData ( QIODevice *  data )

slot

Definition at line 254 of file qnetworkaccessbackend.cpp.

{
    reply->appendDownstreamData(data);
}

writeDownstreamDataDownloadBuffer()

void QNetworkAccessBackend::writeDownstreamDataDownloadBuffer ( qint64  bytesReceived, qint64  bytesTotal  )

protected

Definition at line 260 of file qnetworkaccessbackend.cpp.

Referenced by processRequestSynchronously(), and QNetworkAccessHttpBackend::replyDownloadProgressSlot().

{
    reply->appendDownstreamDataDownloadBuffer(bytesReceived, bytesTotal);
}

Friends and Related Functions

QNetworkAccessManager

friend class QNetworkAccessManager

friend

Definition at line 211 of file qnetworkaccessbackend_p.h.

QNetworkAccessManagerPrivate

friend class QNetworkAccessManagerPrivate

friend

Definition at line 212 of file qnetworkaccessbackend_p.h.

QNetworkReplyImplPrivate

friend class QNetworkReplyImplPrivate

friend

Definition at line 213 of file qnetworkaccessbackend_p.h.

Properties

manager

QNetworkAccessManagerPrivate* QNetworkAccessBackend::manager

protected

Definition at line 207 of file qnetworkaccessbackend_p.h.

Referenced by authenticationRequired(), QNetworkAccessManager::createRequest(), QNetworkAccessManagerPrivate::findBackend(), QNetworkAccessManagerPrivate::getObjectCache(), networkCache(), QNetworkAccessHttpBackend::postRequest(), proxyAuthenticationRequired(), and start().

reply

QNetworkReplyImplPrivate* QNetworkAccessBackend::reply

protected

Definition at line 208 of file qnetworkaccessbackend_p.h.

Referenced by attribute(), QNetworkAccessManagerPrivate::authenticationRequired(), QNetworkAccessManager::createRequest(), error(), finished(), getDownloadBuffer(), hasRawHeader(), header(), isCachingEnabled(), metaDataChanged(), nextDownstreamBlockSize(), operation(), QNetworkAccessManagerPrivate::proxyAuthenticationRequired(), proxyList(), rawHeader(), rawHeaderList(), redirectionRequested(), QNetworkAccessHttpBackend::replyDownloadMetaData(), request(), setAttribute(), setCachingEnabled(), setHeader(), setRawHeader(), setUrl(), sslErrors(), start(), url(), writeDownstreamData(), and writeDownstreamDataDownloadBuffer().

synchronous

bool QNetworkAccessBackend::synchronous

private

Definition at line 215 of file qnetworkaccessbackend_p.h.

Referenced by isSynchronous(), and setSynchronous().

uploadByteDevice

QSharedPointer<QNonContiguousByteDevice> QNetworkAccessBackend::uploadByteDevice

protected

Definition at line 186 of file qnetworkaccessbackend_p.h.

Referenced by QNetworkAccessHttpBackend::postRequest(), QNetworkAccessHttpBackend::resetUploadDataSlot(), QNetworkAccessHttpBackend::sentUploadDataSlot(), and QNetworkAccessHttpBackend::wantUploadDataSlot().

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The documentation for this class was generated from the following files:

• /src/network/access/qnetworkaccessbackend_p.h
• /src/network/access/qnetworkaccessbackend.cpp