1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://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 http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://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 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QLOCALSOCKET_P_H 43 #define QLOCALSOCKET_P_H 44 45 // 46 // W A R N I N G 47 // ------------- 48 // 49 // This file is not part of the Qt API. It exists for the convenience 50 // of the QLocalSocket class. This header file may change from 51 // version to version without notice, or even be removed. 52 // 53 // We mean it. 54 // 55 56 #ifndef QT_NO_LOCALSOCKET 57 58 #include "qlocalsocket.h" 59 #include "private/qiodevice_p.h" 60 61 #include <qtimer.h> 62 63 #if defined(QT_LOCALSOCKET_TCP) 64 # include "qtcpsocket.h" 65 #elif defined(Q_OS_WIN) 66 # include "private/qwindowspipewriter_p.h" 67 # include "private/qringbuffer_p.h" 68 # include <private/qwineventnotifier_p.h> 69 #else 70 # include "private/qabstractsocketengine_p.h" 71 # include <qtcpsocket.h> 72 # include <qsocketnotifier.h> 73 # include <errno.h> 74 #endif 75 76 QT_BEGIN_NAMESPACE 77 78 #if !defined(Q_OS_WIN) || defined(QT_LOCALSOCKET_TCP) 79 class QLocalUnixSocket : public QTcpSocket 80 { 81 82 public: QLocalUnixSocket()83 QLocalUnixSocket() : QTcpSocket() 84 { 85 }; 86 setSocketState(QAbstractSocket::SocketState state)87 inline void setSocketState(QAbstractSocket::SocketState state) 88 { 89 QTcpSocket::setSocketState(state); 90 }; 91 setErrorString(const QString & string)92 inline void setErrorString(const QString &string) 93 { 94 QTcpSocket::setErrorString(string); 95 } 96 setSocketError(QAbstractSocket::SocketError error)97 inline void setSocketError(QAbstractSocket::SocketError error) 98 { 99 QTcpSocket::setSocketError(error); 100 } 101 readData(char * data,qint64 maxSize)102 inline qint64 readData(char *data, qint64 maxSize) 103 { 104 return QTcpSocket::readData(data, maxSize); 105 } 106 writeData(const char * data,qint64 maxSize)107 inline qint64 writeData(const char *data, qint64 maxSize) 108 { 109 return QTcpSocket::writeData(data, maxSize); 110 } 111 }; 112 #endif //#if !defined(Q_OS_WIN) || defined(QT_LOCALSOCKET_TCP) 113 114 class QLocalSocketPrivate : public QIODevicePrivate 115 { 116 Q_DECLARE_PUBLIC(QLocalSocket) 117 118 public: 119 QLocalSocketPrivate(); 120 void init(); 121 122 #if defined(QT_LOCALSOCKET_TCP) 123 QLocalUnixSocket* tcpSocket; 124 bool ownsTcpSocket; 125 void setSocket(QLocalUnixSocket*); 126 QString generateErrorString(QLocalSocket::LocalSocketError, const QString &function) const; 127 void errorOccurred(QLocalSocket::LocalSocketError, const QString &function); 128 void _q_stateChanged(QAbstractSocket::SocketState newState); 129 void _q_error(QAbstractSocket::SocketError newError); 130 #elif defined(Q_OS_WIN) 131 ~QLocalSocketPrivate(); 132 void destroyPipeHandles(); 133 void setErrorString(const QString &function); 134 void _q_notified(); 135 void _q_canWrite(); 136 void _q_pipeClosed(); 137 void _q_emitReadyRead(); 138 DWORD checkPipeState(); 139 void startAsyncRead(); 140 bool completeAsyncRead(); 141 void checkReadyRead(); 142 HANDLE handle; 143 OVERLAPPED overlapped; 144 QWindowsPipeWriter *pipeWriter; 145 qint64 readBufferMaxSize; 146 QRingBuffer readBuffer; 147 int actualReadBufferSize; 148 QWinEventNotifier *dataReadNotifier; 149 QLocalSocket::LocalSocketError error; 150 bool readSequenceStarted; 151 bool pendingReadyRead; 152 bool pipeClosed; 153 static const qint64 initialReadBufferSize = 4096; 154 #else 155 QLocalUnixSocket unixSocket; 156 QString generateErrorString(QLocalSocket::LocalSocketError, const QString &function) const; 157 void errorOccurred(QLocalSocket::LocalSocketError, const QString &function); 158 void _q_stateChanged(QAbstractSocket::SocketState newState); 159 void _q_error(QAbstractSocket::SocketError newError); 160 void _q_connectToSocket(); 161 void _q_abortConnectionAttempt(); 162 void cancelDelayedConnect(); 163 QSocketNotifier *delayConnect; 164 QTimer *connectTimer; 165 int connectingSocket; 166 QString connectingName; 167 QIODevice::OpenMode connectingOpenMode; 168 #endif 169 170 QString serverName; 171 QString fullServerName; 172 QLocalSocket::LocalSocketState state; 173 }; 174 175 QT_END_NAMESPACE 176 177 #endif // QT_NO_LOCALSOCKET 178 179 #endif // QLOCALSOCKET_P_H 180 181