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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QUNIXSOCKET_P_H
#define QUNIXSOCKET_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtNetwork/qabstractsocket.h>
#include <QtCore/qiodevice.h>
#include <QtCore/qlist.h>
#include <QtCore/qshareddata.h>
extern "C" {
#include <sys/types.h>
};
QT_BEGIN_NAMESPACE
class QUnixSocketRights;
class QUnixSocketRightsPrivate;
class QUnixSocketPrivate;
class QUnixSocketMessagePrivate;
struct iovec;
class Q_GUI_EXPORT QUnixSocketRights {
public:
QUnixSocketRights(int);
~QUnixSocketRights();
QUnixSocketRights(const QUnixSocketRights &);
QUnixSocketRights & operator=(const QUnixSocketRights &);
bool isValid() const;
int dupFd() const;
int peekFd() const;
private:
friend class QUnixSocket;
QUnixSocketRights(int,int);
QSharedDataPointer<QUnixSocketRightsPrivate> d;
};
class Q_GUI_EXPORT QUnixSocketMessage {
public:
QUnixSocketMessage();
QUnixSocketMessage(const QByteArray &);
QUnixSocketMessage(const QByteArray &, const QList<QUnixSocketRights> &);
QUnixSocketMessage(const QUnixSocketMessage &);
QUnixSocketMessage(const iovec*, int);
QUnixSocketMessage & operator=(const QUnixSocketMessage &);
~QUnixSocketMessage();
void setBytes(const QByteArray &);
void setRights(const QList<QUnixSocketRights> &);
const QList<QUnixSocketRights> & rights() const;
bool rightsWereTruncated() const;
const QByteArray & bytes() const;
pid_t processId() const;
uid_t userId() const;
gid_t groupId() const;
void setProcessId(pid_t);
void setUserId(uid_t);
void setGroupId(gid_t);
bool isValid() const;
private:
friend class QUnixSocket;
friend class QUnixSocketPrivate;
QSharedDataPointer<QUnixSocketMessagePrivate> d;
};
class Q_GUI_EXPORT QUnixSocket : public QIODevice
{
Q_OBJECT
public:
QUnixSocket(QObject * = 0);
QUnixSocket(qint64, qint64, QObject * = 0);
virtual ~QUnixSocket();
enum SocketState {
UnconnectedState = QAbstractSocket::UnconnectedState,
HostLookupState = QAbstractSocket::HostLookupState,
ConnectingState = QAbstractSocket::ConnectingState,
ConnectedState = QAbstractSocket::ConnectedState,
BoundState = QAbstractSocket::BoundState,
ClosingState = QAbstractSocket::ClosingState,
ListeningState = QAbstractSocket::ListeningState,
};
enum SocketError { NoError, InvalidPath, ResourceError,
NonexistentPath, ConnectionRefused, UnknownError,
ReadFailure, WriteFailure };
bool connect(const QByteArray & path);
bool setSocketDescriptor(int socketDescriptor);
int socketDescriptor() const;
void abort();
void close();
bool flush();
SocketError error() const;
SocketState state() const;
QByteArray address() const;
qint64 bytesAvailable() const;
qint64 bytesToWrite() const;
qint64 readBufferSize() const;
void setReadBufferSize(qint64 size);
qint64 rightsBufferSize() const;
void setRightsBufferSize(qint64 size);
bool canReadLine() const;
qint64 write(const char * data, qint64 maxSize)
{ return QIODevice::write(data, maxSize); }
qint64 write(const QByteArray & byteArray)
{ return QIODevice::write(byteArray); }
qint64 read(char * data, qint64 maxSize)
{ return QIODevice::read(data, maxSize); }
QByteArray read(qint64 maxSize)
{ return QIODevice::read(maxSize); }
qint64 write(const QUnixSocketMessage &);
QUnixSocketMessage read();
virtual bool isSequential() const;
virtual bool waitForReadyRead(int msec = 300);
virtual bool waitForBytesWritten(int msec = 300);
Q_SIGNALS:
void stateChanged(SocketState socketState);
protected:
virtual qint64 readData(char * data, qint64 maxSize);
virtual qint64 writeData (const char * data, qint64 maxSize);
private:
QUnixSocket(const QUnixSocket &);
QUnixSocket & operator=(const QUnixSocket &);
QUnixSocketPrivate * d;
};
QT_END_NAMESPACE
#endif // QUNIXSOCKET_P_H
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