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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCORE_SYMBIAN_P_H
#define QCORE_SYMBIAN_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <e32std.h>
#include <QtCore/qglobal.h>
#include <QtCore/qmutex.h>
#include <qstring.h>
#include <qrect.h>
#include <qhash.h>
#include <qscopedpointer.h>
#include <f32file.h>
#include <es_sock.h>
#define QT_LSTRING2(x) L##x
#define QT_LSTRING(x) QT_LSTRING2(x)
#if defined(QT_LIBINFIX)
# define QT_LIBINFIX_UNICODE QT_LSTRING(QT_LIBINFIX)
#else
# define QT_LIBINFIX_UNICODE L""
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
Q_CORE_EXPORT HBufC* qt_QString2HBufC(const QString& aString);
Q_CORE_EXPORT QString qt_TDesC2QString(const TDesC& aDescriptor);
inline QString qt_TDes2QString(const TDes& aDescriptor) { return qt_TDesC2QString(aDescriptor); }
static inline QSize qt_TSize2QSize(const TSize& ts)
{
return QSize(ts.iWidth, ts.iHeight);
}
static inline TSize qt_QSize2TSize(const QSize& qs)
{
return TSize(qs.width(), qs.height());
}
static inline QRect qt_TRect2QRect(const TRect& tr)
{
return QRect(tr.iTl.iX, tr.iTl.iY, tr.Width(), tr.Height());
}
static inline TRect qt_QRect2TRect(const QRect& qr)
{
return TRect(TPoint(qr.left(), qr.top()), TSize(qr.width(), qr.height()));
}
// Returned TPtrC is valid as long as the given parameter is valid and unmodified
static inline TPtrC qt_QString2TPtrC( const QString& string )
{
return TPtrC16(static_cast<const TUint16*>(string.utf16()), string.length());
}
/*!
\internal
This class is a wrapper around the Symbian HBufC descriptor class.
It makes sure that the heap allocated HBufC class is freed when it is
destroyed.
*/
class Q_CORE_EXPORT QHBufC
{
public:
QHBufC();
QHBufC(const QHBufC &src);
QHBufC(HBufC *src);
QHBufC(const QString &src);
~QHBufC();
inline operator HBufC *() { return m_hBufC; }
inline operator const HBufC *() const { return m_hBufC; }
inline HBufC *data() { return m_hBufC; }
inline const HBufC *data() const { return m_hBufC; }
inline HBufC & operator*() { return *m_hBufC; }
inline const HBufC & operator*() const { return *m_hBufC; }
inline HBufC * operator->() { return m_hBufC; }
inline const HBufC * operator->() const { return m_hBufC; }
inline bool operator==(const QHBufC ¶m) const { return data() == param.data(); }
inline bool operator!=(const QHBufC ¶m) const { return data() != param.data(); }
private:
HBufC *m_hBufC;
};
inline uint qHash(TUid uid)
{
return qHash(uid.iUid);
}
Q_CORE_EXPORT RFs& qt_s60GetRFs();
Q_CORE_EXPORT RSocketServ& qt_symbianGetSocketServer();
// Defined in qlocale_symbian.cpp.
Q_CORE_EXPORT QByteArray qt_symbianLocaleName(int code);
template <typename R>
struct QScopedPointerRCloser
{
static inline void cleanup(R *rPointer)
{
// Enforce a complete type.
// If you get a compile error here, read the section on forward declared
// classes in the QScopedPointer documentation.
typedef char IsIncompleteType[ sizeof(R) ? 1 : -1 ];
(void) sizeof(IsIncompleteType);
if (rPointer)
rPointer->Close();
}
};
//Wrapper for RSocket so it can be used as a key in QHash or QMap
class QHashableSocket : public RSocket
{
public:
bool operator==(const QHashableSocket &other) const
{
return SubSessionHandle() == other.SubSessionHandle()
&& Session().Handle() == other.Session().Handle();
}
bool operator<(const QHashableSocket &other) const
{
if (Session().Handle() == other.Session().Handle())
return SubSessionHandle() < other.SubSessionHandle();
return Session().Handle() < other.Session().Handle();
}
};
uint qHash(const RSubSessionBase& key);
/*!
\internal
This class exists in QtCore for the benefit of QSocketNotifier, which uses integer
file descriptors in its public API.
So we need a way to map between int and RSocket.
Additionally, it is used to host the global RSocketServ session
*/
class Q_CORE_EXPORT QSymbianSocketManager
{
public:
QSymbianSocketManager();
~QSymbianSocketManager();
/*!
\internal
\return handle to the socket server
*/
RSocketServ& getSocketServer();
/*!
\internal
Adds a symbian socket to the global map
\param an open socket
\return pseudo file descriptor, -1 if out of resources
*/
int addSocket(const RSocket &sock);
/*!
\internal
Removes a symbian socket from the global map
\param an open socket
\return true if the socket was in the map
*/
bool removeSocket(const RSocket &sock);
/*!
\internal
Get pseudo file descriptor for a socket
\param an open socket
\return integer handle, or -1 if not in map
*/
int lookupSocket(const RSocket &sock) const;
/*!
\internal
Get socket for a pseudo file descriptor
\param an open socket fd
\param sock (out) socket handle
\return true on success or false if not in map
*/
bool lookupSocket(int fd, RSocket& sock) const;
/*!
\internal
Set the default connection to use for new sockets
\param an open connection
*/
void setDefaultConnection(RConnection* con);
/*!
\internal
Get the default connection to use for new sockets
\return the connection, or null pointer if there is none set
*/
RConnection *defaultConnection() const;
/*!
\internal
Add an opened connection to the active list
\param an open connection
*/
void addActiveConnection(TUint32 identifier);
/*!
\internal
Remove a connection from the active list
\param a closed connection
*/
void removeActiveConnection(TUint32 identifier);
/*!
\internal
Add an opened connection to the active list
\param an open connection
*/
QList<TUint32> activeConnections() const;
/*!
\internal
Gets a reference to the singleton socket manager
*/
static QSymbianSocketManager& instance();
private:
int allocateSocket();
const static int max_sockets = 0x20000; //covers all TCP and UDP ports, probably run out of memory first
const static int socket_offset = 0x40000000; //hacky way of separating sockets from file descriptors
int iNextSocket;
QHash<QHashableSocket, int> socketMap;
QHash<int, RSocket> reverseSocketMap;
QHash<TUint32, int> activeConnectionsMap;
mutable QMutex iMutex;
RSocketServ iSocketServ;
RConnection *iDefaultConnection;
};
template <typename T> class QScopedPointerResourceCloser
{
public:
static inline void cleanup(T* pointer)
{
if (pointer)
pointer->Close();
}
};
/*typical use:
RFile file;
file.Open(...);
QScopedResource<RFile> ptr(file);
container.append(file); //this may throw std::bad_alloc, in which case file.Close() is called by destructor
ptr.take(); //if we reach this line, ownership is transferred to the container
*/
template <typename T> class QScopedResource : public QScopedPointer<T, QScopedPointerResourceCloser<T> >
{
public:
inline QScopedResource(T& resource) : QScopedPointer<T, QScopedPointerResourceCloser<T> >(&resource) {}
};
QT_END_NAMESPACE
QT_END_HEADER
#endif //QCORE_SYMBIAN_P_H
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