| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtNetwork module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** 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 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QHTTPNETWORKCONNECTIONCHANNEL_H |
| #define QHTTPNETWORKCONNECTIONCHANNEL_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 <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/qhttpnetworkconnection_p.h> |
| #include <private/qabstractprotocolhandler_p.h> |
| |
| #ifndef QT_NO_HTTP |
| |
| #ifndef QT_NO_SSL |
| # include <QtNetwork/qsslsocket.h> |
| # include <QtNetwork/qsslerror.h> |
| # include <QtNetwork/qsslconfiguration.h> |
| #else |
| # include <QtNetwork/qtcpsocket.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QHttpNetworkRequest; |
| class QHttpNetworkReply; |
| class QByteArray; |
| |
| #ifndef HttpMessagePair |
| typedef QPair<QHttpNetworkRequest, QHttpNetworkReply*> HttpMessagePair; |
| #endif |
| |
| class QHttpNetworkConnectionChannel : public QObject { |
| Q_OBJECT |
| public: |
| // TODO: Refactor this to add an EncryptingState (and remove pendingEncrypt). |
| // Also add an Unconnected state so IdleState does not have double meaning. |
| enum ChannelState { |
| IdleState = 0, // ready to send request |
| ConnectingState = 1, // connecting to host |
| WritingState = 2, // writing the data |
| WaitingState = 4, // waiting for reply |
| ReadingState = 8, // reading the reply |
| ClosingState = 16, |
| BusyState = (ConnectingState|WritingState|WaitingState|ReadingState|ClosingState) |
| }; |
| QAbstractSocket *socket; |
| bool ssl; |
| bool isInitialized; |
| ChannelState state; |
| QHttpNetworkRequest request; // current request, only used for HTTP |
| QHttpNetworkReply *reply; // current reply for this request, only used for HTTP |
| qint64 written; |
| qint64 bytesTotal; |
| bool resendCurrent; |
| int lastStatus; // last status received on this channel |
| bool pendingEncrypt; // for https (send after encrypted) |
| int reconnectAttempts; // maximum 2 reconnection attempts |
| QAuthenticatorPrivate::Method authMethod; |
| QAuthenticatorPrivate::Method proxyAuthMethod; |
| QAuthenticator authenticator; |
| QAuthenticator proxyAuthenticator; |
| bool authenticationCredentialsSent; |
| bool proxyCredentialsSent; |
| QScopedPointer<QAbstractProtocolHandler> protocolHandler; |
| #ifndef QT_NO_SSL |
| bool ignoreAllSslErrors; |
| QList<QSslError> ignoreSslErrorsList; |
| QSslConfiguration sslConfiguration; |
| QMultiMap<int, HttpMessagePair> spdyRequestsToSend; // sorted by priority |
| void ignoreSslErrors(); |
| void ignoreSslErrors(const QList<QSslError> &errors); |
| void setSslConfiguration(const QSslConfiguration &config); |
| void requeueSpdyRequests(); // when we wanted SPDY but got HTTP |
| // to emit the signal for all in-flight replies: |
| void emitFinishedWithError(QNetworkReply::NetworkError error, const char *message); |
| #endif |
| #ifndef QT_NO_BEARERMANAGEMENT |
| QSharedPointer<QNetworkSession> networkSession; |
| #endif |
| |
| // HTTP pipelining -> http://en.wikipedia.org/wiki/Http_pipelining |
| enum PipeliningSupport { |
| PipeliningSupportUnknown, // default for a new connection |
| PipeliningProbablySupported, // after having received a server response that indicates support |
| PipeliningNotSupported // currently not used |
| }; |
| PipeliningSupport pipeliningSupported; |
| QList<HttpMessagePair> alreadyPipelinedRequests; |
| QByteArray pipeline; // temporary buffer that gets sent to socket in pipelineFlush |
| void pipelineInto(HttpMessagePair &pair); |
| void pipelineFlush(); |
| void requeueCurrentlyPipelinedRequests(); |
| void detectPipeliningSupport(); |
| |
| QHttpNetworkConnectionChannel(); |
| |
| QAbstractSocket::NetworkLayerProtocol networkLayerPreference; |
| |
| void setConnection(QHttpNetworkConnection *c); |
| QPointer<QHttpNetworkConnection> connection; |
| |
| #ifndef QT_NO_NETWORKPROXY |
| QNetworkProxy proxy; |
| void setProxy(const QNetworkProxy &networkProxy); |
| #endif |
| |
| void init(); |
| void close(); |
| |
| bool sendRequest(); |
| |
| bool ensureConnection(); |
| |
| void allDone(); // reply header + body have been read |
| void handleStatus(); // called from allDone() |
| |
| bool resetUploadData(); // return true if resetting worked or there is no upload data |
| |
| void handleUnexpectedEOF(); |
| void closeAndResendCurrentRequest(); |
| |
| bool isSocketBusy() const; |
| bool isSocketWriting() const; |
| bool isSocketWaiting() const; |
| bool isSocketReading() const; |
| |
| protected slots: |
| void _q_receiveReply(); |
| void _q_bytesWritten(qint64 bytes); // proceed sending |
| void _q_readyRead(); // pending data to read |
| void _q_disconnected(); // disconnected from host |
| void _q_connected(); // start sending request |
| void _q_error(QAbstractSocket::SocketError); // error from socket |
| #ifndef QT_NO_NETWORKPROXY |
| void _q_proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth); // from transparent proxy |
| #endif |
| |
| void _q_uploadDataReadyRead(); |
| |
| #ifndef QT_NO_SSL |
| void _q_encrypted(); // start sending request (https) |
| void _q_sslErrors(const QList<QSslError> &errors); // ssl errors from the socket |
| void _q_preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*); // tls-psk auth necessary |
| void _q_encryptedBytesWritten(qint64 bytes); // proceed sending |
| #endif |
| |
| friend class QHttpProtocolHandler; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_HTTP |
| |
| #endif |