109     //   may choose to re-fill it with more data it has ready or get

   109     //   may choose to re-fill it with more data it has ready or get

   110     //   more data from the network (for instance, by reading from its

   110     //   more data from the network (for instance, by reading from its

   111     //   socket).

   111     //   socket).

   112 

   112 

   113     virtual void open() = 0;

   113     virtual void open() = 0;

   114     virtual void closeDownstreamChannel() = 0;

   117     virtual void closeDownstreamChannel() = 0;

   115     virtual bool waitForDownstreamReadyRead(int msecs) = 0;

   118     virtual bool waitForDownstreamReadyRead(int msecs) = 0;

   116 

   119 

   117     // slot-like:

   120     // slot-like:

   118     virtual void downstreamReadyWrite();

   121     virtual void downstreamReadyWrite();

   158     // return true if the QNonContiguousByteDevice of the upload

   161     // return true if the QNonContiguousByteDevice of the upload

   159     // data needs to support reset(). Currently needed for HTTP.

   162     // data needs to support reset(). Currently needed for HTTP.

   160     // This will possibly enable buffering of the upload data.

   163     // This will possibly enable buffering of the upload data.

   161     virtual bool needsResetableUploadData() { return false; }

   164     virtual bool needsResetableUploadData() { return false; }

   162 

   165 

   163 protected:

   170 protected:

   164     // Create the device used for reading the upload data

   171     // Create the device used for reading the upload data

   165     QNonContiguousByteDevice* createUploadByteDevice();

   172     QNonContiguousByteDevice* createUploadByteDevice();

   166 

   173 

   167 

   174 

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

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

   180 #ifndef QT_NO_NETWORKPROXY

   187 #ifndef QT_NO_NETWORKPROXY

   181     void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth);

   188     void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth);

   182 #endif

   189 #endif

   183     void authenticationRequired(QAuthenticator *auth);

   190     void authenticationRequired(QAuthenticator *auth);

   184     void metaDataChanged();

   192     void metaDataChanged();

   185     void redirectionRequested(const QUrl &destination);

   193     void redirectionRequested(const QUrl &destination);

   186     void sslErrors(const QList<QSslError> &errors);

   194     void sslErrors(const QList<QSslError> &errors);

   187     void emitReplyUploadProgress(qint64 bytesSent, qint64 bytesTotal);

   195     void emitReplyUploadProgress(qint64 bytesSent, qint64 bytesTotal);

   188 

   196 

   189 private:

   197 private:

   190     friend class QNetworkAccessManager;

   198     friend class QNetworkAccessManager;

   191     friend class QNetworkAccessManagerPrivate;

   199     friend class QNetworkAccessManagerPrivate;

   192     friend class QNetworkAccessBackendUploadIODevice;

   200     friend class QNetworkAccessBackendUploadIODevice;

   193     QNetworkAccessManagerPrivate *manager;

   202     QNetworkAccessManagerPrivate *manager;

   194     QNetworkReplyImplPrivate *reply;

   203     QNetworkReplyImplPrivate *reply;

   195 };

   204 };

   196 

   205 

   197 class QNetworkAccessBackendFactory

   206 class QNetworkAccessBackendFactory