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 QABSTRACTSOCKET_P_H 41 #define QABSTRACTSOCKET_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 QAbstractSocket class. 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 "QtNetwork/qabstractsocket.h" 56 #include "QtCore/qbytearray.h" 57 #include "QtCore/qlist.h" 58 #include "QtCore/qtimer.h" 59 #include "private/qiodevice_p.h" 60 #include "private/qabstractsocketengine_p.h" 61 #include "qnetworkproxy.h" 62 63 QT_BEGIN_NAMESPACE 64 65 class QHostInfo; 66 67 class QAbstractSocketPrivate : public QIODevicePrivate, public QAbstractSocketEngineReceiver 68 { 69 Q_DECLARE_PUBLIC(QAbstractSocket) 70 public: 71 QAbstractSocketPrivate(); 72 virtual ~QAbstractSocketPrivate(); 73 74 // from QIODevicePrivate 75 qint64 skip(qint64 maxSize) override; 76 77 // from QAbstractSocketEngineReceiver readNotification()78 inline void readNotification() override { canReadNotification(); } writeNotification()79 inline void writeNotification() override { canWriteNotification(); } exceptionNotification()80 inline void exceptionNotification() override {} closeNotification()81 inline void closeNotification() override { canCloseNotification(); } 82 void connectionNotification() override; 83 #ifndef QT_NO_NETWORKPROXY proxyAuthenticationRequired(const QNetworkProxy & proxy,QAuthenticator * authenticator)84 inline void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator) override { 85 Q_Q(QAbstractSocket); 86 emit q->proxyAuthenticationRequired(proxy, authenticator); 87 } 88 #endif 89 90 virtual bool bind(const QHostAddress &address, quint16 port, QAbstractSocket::BindMode mode); 91 92 virtual bool canReadNotification(); 93 bool canWriteNotification(); 94 void canCloseNotification(); 95 96 // slots 97 void _q_connectToNextAddress(); 98 void _q_startConnecting(const QHostInfo &hostInfo); 99 void _q_testConnection(); 100 void _q_abortConnectionAttempt(); 101 102 bool emittedReadyRead; 103 bool emittedBytesWritten; 104 105 bool abortCalled; 106 bool pendingClose; 107 108 QAbstractSocket::PauseModes pauseMode; 109 110 QString hostName; 111 quint16 port; 112 QHostAddress host; 113 QList<QHostAddress> addresses; 114 115 quint16 localPort; 116 quint16 peerPort; 117 QHostAddress localAddress; 118 QHostAddress peerAddress; 119 QString peerName; 120 121 QAbstractSocketEngine *socketEngine; 122 qintptr cachedSocketDescriptor; 123 124 #ifndef QT_NO_NETWORKPROXY 125 QNetworkProxy proxy; 126 QNetworkProxy proxyInUse; 127 QString protocolTag; 128 void resolveProxy(const QString &hostName, quint16 port); 129 #else resolveProxy(const QString &,quint16)130 inline void resolveProxy(const QString &, quint16) { } 131 #endif resolveProxy(quint16 port)132 inline void resolveProxy(quint16 port) { resolveProxy(QString(), port); } 133 134 void resetSocketLayer(); 135 virtual bool flush(); 136 137 bool initSocketLayer(QAbstractSocket::NetworkLayerProtocol protocol); 138 virtual void configureCreatedSocket(); 139 void startConnectingByName(const QString &host); 140 void fetchConnectionParameters(); 141 bool readFromSocket(); 142 virtual bool writeToSocket(); 143 void emitReadyRead(int channel = 0); 144 void emitBytesWritten(qint64 bytes, int channel = 0); 145 146 void setError(QAbstractSocket::SocketError errorCode, const QString &errorString); 147 void setErrorAndEmit(QAbstractSocket::SocketError errorCode, const QString &errorString); 148 149 qint64 readBufferMaxSize; 150 bool isBuffered; 151 bool hasPendingData; 152 153 QTimer *connectTimer; 154 155 int hostLookupId; 156 157 QAbstractSocket::SocketType socketType; 158 QAbstractSocket::SocketState state; 159 160 // Must be kept in sync with QIODevicePrivate::errorString. 161 QAbstractSocket::SocketError socketError; 162 163 QAbstractSocket::NetworkLayerProtocol preferredNetworkLayerProtocol; 164 165 bool prePauseReadSocketNotifierState; 166 bool prePauseWriteSocketNotifierState; 167 bool prePauseExceptionSocketNotifierState; 168 static void pauseSocketNotifiers(QAbstractSocket*); 169 static void resumeSocketNotifiers(QAbstractSocket*); 170 static QAbstractSocketEngine* getSocketEngine(QAbstractSocket*); 171 }; 172 173 QT_END_NAMESPACE 174 175 #endif // QABSTRACTSOCKET_P_H 176