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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSystems module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QREMOTESERVICEREGISTER_H
#define QREMOTESERVICEREGISTER_H
#include "qserviceframeworkglobal.h"
#include <QObject>
#include <QQueue>
#include <QHash>
#include <QDebug>
#include <QExplicitlySharedDataPointer>
#include "qserviceclientcredentials.h"
#include "qservice.h"
QT_BEGIN_NAMESPACE
class QRemoteServiceRegisterPrivate;
class QRemoteServiceRegisterEntryPrivate;
class QServiceClientCredentialsPrivate;
class QServiceClientCredentials;
class Q_SERVICEFW_EXPORT QRemoteServiceRegister : public QObject
{
Q_OBJECT
Q_PROPERTY(bool quitOnLastInstanceClosed READ quitOnLastInstanceClosed WRITE setQuitOnLastInstanceClosed)
Q_FLAGS(SocketAccessOption SecurityAccessOptions)
public:
enum InstanceType {
GlobalInstance = 0,
PrivateInstance
};
enum SecurityAccessOption {
NoOptions = 0x0,
UserAccessOption = 0x01,
GroupAccessOption = 0x02,
OtherAccessOption = 0x04,
WorldAccessOption = 0x07
};
Q_DECLARE_FLAGS(SecurityAccessOptions, SecurityAccessOption)
typedef QObject *(*CreateServiceFunc)();
class Q_SERVICEFW_EXPORT Entry {
public:
Entry();
Entry(const Entry &);
Entry &operator=(const Entry &);
~Entry();
bool operator==(const Entry &) const;
bool operator!=(const Entry &) const;
bool isValid() const;
QString interfaceName() const;
QString serviceName() const;
QString version() const;
void setInstantiationType(QRemoteServiceRegister::InstanceType type);
QRemoteServiceRegister::InstanceType instantiationType() const;
private:
QExplicitlySharedDataPointer<QRemoteServiceRegisterEntryPrivate> d;
const QMetaObject* metaObject() const;
friend class QRemoteServiceRegisterPrivate;
friend class QRemoteServiceRegister;
friend class InstanceManager;
friend class QServiceManager;
#ifndef QT_NO_DATASTREAM
friend Q_SERVICEFW_EXPORT QDataStream &operator<<(QDataStream &, const QRemoteServiceRegister::Entry &);
friend Q_SERVICEFW_EXPORT QDataStream &operator>>(QDataStream &, QRemoteServiceRegister::Entry &);
#endif
};
explicit QRemoteServiceRegister(QObject* parent = Q_NULLPTR);
~QRemoteServiceRegister();
template <typename T>
Entry createEntry(const QString& serviceName,
const QString& interfaceName, const QString& version);
void publishEntries(const QString& ident );
bool quitOnLastInstanceClosed() const;
void setQuitOnLastInstanceClosed(const bool quit);
typedef void (*SecurityFilter)(QServiceClientCredentials *creds);
SecurityFilter setSecurityFilter(SecurityFilter filter);
SecurityAccessOptions securityAccessOptions() const;
void setSecurityAccessOptions(SecurityAccessOptions options);
qintptr getBaseUserIdentifier() const;
void setBaseUserIdentifier(qintptr uid);
qintptr getBaseGroupIdentifier() const;
void setBaseGroupIdentifier(qintptr gid);
Q_SIGNALS:
void allInstancesClosed();
void instanceClosed(const QRemoteServiceRegister::Entry& entry);
private:
Entry createEntry(const QString& serviceName,
const QString& interfaceName, const QString& version,
CreateServiceFunc cptr, const QMetaObject* meta);
void init();
bool event(QEvent *e);
QRemoteServiceRegisterPrivate* d;
};
inline uint qHash(const QRemoteServiceRegister::Entry& e) {
//Only consider version, iface and service name -> needs to sync with operator==
return ( qHash(e.serviceName()) + qHash(e.interfaceName()) + qHash(e.version()) );
}
#ifndef QT_NO_DATASTREAM
Q_SERVICEFW_EXPORT QDataStream& operator>>(QDataStream& s, QRemoteServiceRegister::Entry& entry);
Q_SERVICEFW_EXPORT QDataStream& operator<<(QDataStream& s, const QRemoteServiceRegister::Entry& entry);
#endif
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const QRemoteServiceRegister::Entry& entry);
#endif
template <typename T>
QObject* qServiceTypeConstructHelper()
{
return new T;
}
template <typename T>
QRemoteServiceRegister::Entry QRemoteServiceRegister::createEntry(const QString& serviceName,
const QString& interfaceName, const QString& version)
{
QRemoteServiceRegister::CreateServiceFunc cptr = qServiceTypeConstructHelper<T>;
return createEntry(serviceName, interfaceName, version, cptr, &T::staticMetaObject);
}
QT_END_NAMESPACE
#endif //QREMOTESERVICEREGISTER_H
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