1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtNetwork module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QABSTRACTSOCKET_P_H

    43 #define QABSTRACTSOCKET_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 QAbstractSocket 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 #include "QtNetwork/qabstractsocket.h"

    57 #include "QtCore/qbytearray.h"

    58 #include "QtCore/qlist.h"

    59 #include "QtCore/qtimer.h"

    60 #include "private/qringbuffer_p.h"

    61 #include "private/qiodevice_p.h"

    62 #include "private/qnativesocketengine_p.h"

    63 #include "qnetworkproxy.h"

    64 

    65 QT_BEGIN_NAMESPACE

    66 

    67 class QHostInfo;

    68 

    69 class QAbstractSocketPrivate : public QIODevicePrivate, public QAbstractSocketEngineReceiver

    70 {

    71     Q_DECLARE_PUBLIC(QAbstractSocket)

    72 public:

    73     QAbstractSocketPrivate();

    74     virtual ~QAbstractSocketPrivate();

    75 

    76     // from QAbstractSocketEngineReceiver

    77     inline void readNotification() { canReadNotification(); }

    78     inline void writeNotification() { canWriteNotification(); }

    79     inline void exceptionNotification() {}

    80     void connectionNotification();

    81 #ifndef QT_NO_NETWORKPROXY

    82     inline void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator) {

    83         Q_Q(QAbstractSocket);

    84         q->proxyAuthenticationRequired(proxy, authenticator);

    85     }

    86 #endif

    87 

    88     bool canReadNotification();

    89     bool canWriteNotification();

    90 

    91     // slots

    92     void _q_connectToNextAddress();

    93     void _q_startConnecting(const QHostInfo &hostInfo);

    94     void _q_testConnection();

    95     void _q_abortConnectionAttempt();

    96 

    97     bool readSocketNotifierCalled;

    98     bool readSocketNotifierState;

    99     bool readSocketNotifierStateSet;

   100 

   101     bool emittedReadyRead;

   102     bool emittedBytesWritten;

   103 

   104     bool abortCalled;

   105     bool closeCalled;

   106     bool pendingClose;

   107 

   108     QString hostName;

   109     quint16 port;

   110     QHostAddress host;

   111     QList<QHostAddress> addresses;

   112 

   113     quint16 localPort;

   114     quint16 peerPort;

   115     QHostAddress localAddress;

   116     QHostAddress peerAddress;

   117     QString peerName;

   118 

   119     QAbstractSocketEngine *socketEngine;

   120     int cachedSocketDescriptor;

   121 

   122 #ifndef QT_NO_NETWORKPROXY

   123     QNetworkProxy proxy;

   124     QNetworkProxy proxyInUse;

   125     void resolveProxy(const QString &hostName, quint16 port);

   126 #else

   127     inline void resolveProxy(const QString &, quint16) { }

   128 #endif

   129     inline void resolveProxy(quint16 port) { resolveProxy(QString(), port); }

   130 

   131     void resetSocketLayer();

   132     bool flush();

   133 

   134     bool initSocketLayer(QAbstractSocket::NetworkLayerProtocol protocol);

   135     void startConnectingByName(const QString &host);

   136     void fetchConnectionParameters();

   137     void setupSocketNotifiers();

   138     bool readFromSocket();

   139 

   140 #ifdef Q_OS_LINUX

   141     qint64 addToBytesAvailable;

   142 #endif

   143     qint64 readBufferMaxSize;

   144     QRingBuffer readBuffer;

   145     QRingBuffer writeBuffer;

   146 

   147     bool isBuffered;

   148     int blockingTimeout;

   149 

   150     QTimer *connectTimer;

   151     int connectTimeElapsed;

   152 

   153     int hostLookupId;

   154 

   155     QAbstractSocket::SocketType socketType;

   156     QAbstractSocket::SocketState state;

   157 

   158     QAbstractSocket::SocketError socketError;

   159 };

   160 

   161 QT_END_NAMESPACE

   162 

   163 #endif // QABSTRACTSOCKET_P_H