| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtNetwork module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QNETWORKREPLYIMPL_P_H |
| 41 | #define QNETWORKREPLYIMPL_P_H |
| 42 | |
| 43 | // |
| 44 | // W A R N I N G |
| 45 | // ------------- |
| 46 | // |
| 47 | // This file is not part of the Qt API. It exists for the convenience |
| 48 | // of the Network Access API. This header file may change from |
| 49 | // version to version without notice, or even be removed. |
| 50 | // |
| 51 | // We mean it. |
| 52 | // |
| 53 | |
| 54 | #include <QtNetwork/private/qtnetworkglobal_p.h> |
| 55 | #include "qnetworkreply.h" |
| 56 | #include "qnetworkreply_p.h" |
| 57 | #include "qnetworkaccessmanager.h" |
| 58 | #include "qnetworkproxy.h" |
| 59 | #include "QtCore/qmap.h" |
| 60 | #include "QtCore/qqueue.h" |
| 61 | #include "QtCore/qbuffer.h" |
| 62 | #include "private/qringbuffer_p.h" |
| 63 | #include "private/qbytedata_p.h" |
| 64 | #include <QSharedPointer> |
| 65 | #include <QtNetwork/QNetworkSession> // ### Qt6: Remove include |
| 66 | |
| 67 | QT_BEGIN_NAMESPACE |
| 68 | |
| 69 | class QAbstractNetworkCache; |
| 70 | class QNetworkAccessBackend; |
| 71 | |
| 72 | class QNetworkReplyImplPrivate; |
| 73 | class QNetworkReplyImpl: public QNetworkReply |
| 74 | { |
| 75 | Q_OBJECT |
| 76 | public: |
| 77 | QNetworkReplyImpl(QObject *parent = nullptr); |
| 78 | ~QNetworkReplyImpl(); |
| 79 | virtual void abort() override; |
| 80 | |
| 81 | // reimplemented from QNetworkReply / QIODevice |
| 82 | virtual void close() override; |
| 83 | virtual qint64 bytesAvailable() const override; |
| 84 | virtual void setReadBufferSize(qint64 size) override; |
| 85 | |
| 86 | virtual qint64 readData(char *data, qint64 maxlen) override; |
| 87 | virtual bool event(QEvent *) override; |
| 88 | |
| 89 | Q_DECLARE_PRIVATE(QNetworkReplyImpl) |
| 90 | Q_PRIVATE_SLOT(d_func(), void _q_startOperation()) |
| 91 | Q_PRIVATE_SLOT(d_func(), void _q_copyReadyRead()) |
| 92 | Q_PRIVATE_SLOT(d_func(), void _q_copyReadChannelFinished()) |
| 93 | Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData()) |
| 94 | Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished()) |
| 95 | #ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section |
| 96 | Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected()) |
| 97 | Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed()) |
| 98 | Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State)) |
| 99 | Q_PRIVATE_SLOT(d_func(), void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies)) |
| 100 | #endif |
| 101 | |
| 102 | #ifndef QT_NO_SSL |
| 103 | protected: |
| 104 | void sslConfigurationImplementation(QSslConfiguration &configuration) const override; |
| 105 | void setSslConfigurationImplementation(const QSslConfiguration &configuration) override; |
| 106 | virtual void ignoreSslErrors() override; |
| 107 | virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors) override; |
| 108 | #endif |
| 109 | }; |
| 110 | |
| 111 | class QNetworkReplyImplPrivate: public QNetworkReplyPrivate |
| 112 | { |
| 113 | public: |
| 114 | enum InternalNotifications { |
| 115 | NotifyDownstreamReadyWrite, |
| 116 | NotifyCloseDownstreamChannel, |
| 117 | NotifyCopyFinished |
| 118 | }; |
| 119 | |
| 120 | QNetworkReplyImplPrivate(); |
| 121 | |
| 122 | void _q_startOperation(); |
| 123 | void _q_copyReadyRead(); |
| 124 | void _q_copyReadChannelFinished(); |
| 125 | void _q_bufferOutgoingData(); |
| 126 | void _q_bufferOutgoingDataFinished(); |
| 127 | #ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section |
| 128 | void _q_networkSessionConnected(); |
| 129 | void _q_networkSessionFailed(); |
| 130 | void _q_networkSessionStateChanged(QNetworkSession::State); |
| 131 | void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies); |
| 132 | #endif |
| 133 | |
| 134 | void setup(QNetworkAccessManager::Operation op, const QNetworkRequest &request, |
| 135 | QIODevice *outgoingData); |
| 136 | |
| 137 | void pauseNotificationHandling(); |
| 138 | void resumeNotificationHandling(); |
| 139 | void backendNotify(InternalNotifications notification); |
| 140 | void handleNotifications(); |
| 141 | void createCache(); |
| 142 | void completeCacheSave(); |
| 143 | |
| 144 | // callbacks from the backend (through the manager): |
| 145 | void setCachingEnabled(bool enable); |
| 146 | bool isCachingEnabled() const; |
| 147 | void consume(qint64 count); |
| 148 | void emitUploadProgress(qint64 bytesSent, qint64 bytesTotal); |
| 149 | qint64 nextDownstreamBlockSize() const; |
| 150 | |
| 151 | void initCacheSaveDevice(); |
| 152 | void appendDownstreamDataSignalEmissions(); |
| 153 | void appendDownstreamData(QByteDataBuffer &data); |
| 154 | void appendDownstreamData(QIODevice *data); |
| 155 | void appendDownstreamData(const QByteArray &data); |
| 156 | |
| 157 | void setDownloadBuffer(QSharedPointer<char> sp, qint64 size); |
| 158 | char* getDownloadBuffer(qint64 size); |
| 159 | void appendDownstreamDataDownloadBuffer(qint64, qint64); |
| 160 | |
| 161 | void finished(); |
| 162 | void error(QNetworkReply::NetworkError code, const QString &errorString); |
| 163 | void metaDataChanged(); |
| 164 | void redirectionRequested(const QUrl &target); |
| 165 | void encrypted(); |
| 166 | void sslErrors(const QList<QSslError> &errors); |
| 167 | |
| 168 | QNetworkAccessBackend *backend; |
| 169 | QIODevice *outgoingData; |
| 170 | QSharedPointer<QRingBuffer> outgoingDataBuffer; |
| 171 | QIODevice *copyDevice; |
| 172 | QAbstractNetworkCache *networkCache() const; |
| 173 | |
| 174 | bool migrateBackend(); |
| 175 | |
| 176 | bool cacheEnabled; |
| 177 | QIODevice *cacheSaveDevice; |
| 178 | |
| 179 | std::vector<InternalNotifications> pendingNotifications; |
| 180 | bool notificationHandlingPaused; |
| 181 | |
| 182 | QUrl urlForLastAuthentication; |
| 183 | #ifndef QT_NO_NETWORKPROXY |
| 184 | QNetworkProxy lastProxyAuthentication; |
| 185 | QList<QNetworkProxy> proxyList; |
| 186 | #endif |
| 187 | |
| 188 | qint64 bytesDownloaded; |
| 189 | qint64 lastBytesDownloaded; |
| 190 | qint64 bytesUploaded; |
| 191 | qint64 preMigrationDownloaded; |
| 192 | |
| 193 | QString httpReasonPhrase; |
| 194 | int httpStatusCode; |
| 195 | |
| 196 | State state; |
| 197 | |
| 198 | // Only used when the "zero copy" style is used. |
| 199 | // Please note that the whole "zero copy" download buffer API is private right now. Do not use it. |
| 200 | qint64 downloadBufferReadPosition; |
| 201 | qint64 downloadBufferCurrentSize; |
| 202 | qint64 downloadBufferMaximumSize; |
| 203 | QSharedPointer<char> downloadBufferPointer; |
| 204 | char* downloadBuffer; |
| 205 | |
| 206 | Q_DECLARE_PUBLIC(QNetworkReplyImpl) |
| 207 | }; |
| 208 | Q_DECLARE_TYPEINFO(QNetworkReplyImplPrivate::InternalNotifications, Q_PRIMITIVE_TYPE); |
| 209 | |
| 210 | QT_END_NAMESPACE |
| 211 | |
| 212 | Q_DECLARE_METATYPE(QSharedPointer<char>) |
| 213 | |
| 214 | #endif |
| 215 | |