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/****************************************************************************
**
** Copyright (C) 2017 Ford Motor Company
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtRemoteObjects 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 QREMOTEOBJECTREPLICA_P_H
#define QREMOTEOBJECTREPLICA_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 "qremoteobjectreplica.h"
#include "qremoteobjectpendingcall.h"
#include "qremoteobjectpacket_p.h"
#include <QtCore/qpointer.h>
#include <QtCore/qvector.h>
#include <QtCore/qdatastream.h>
#include <QtCore/qcompilerdetection.h>
#include <QtCore/qtimer.h>
QT_BEGIN_NAMESPACE
class QRemoteObjectReplica;
class QRemoteObjectSource;
class IoDeviceBase;
class QReplicaImplementationInterface
{
public:
virtual ~QReplicaImplementationInterface() {}
virtual const QVariant getProperty(int i) const = 0;
virtual void setProperties(const QVariantList &) = 0;
virtual void setProperty(int i, const QVariant &) = 0;
virtual bool isInitialized() const = 0;
virtual QRemoteObjectReplica::State state() const = 0;
virtual bool waitForSource(int) = 0;
virtual QRemoteObjectNode *node() const = 0;
virtual void _q_send(QMetaObject::Call call, int index, const QVariantList &args) = 0;
virtual QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) = 0;
};
class QStubReplicaImplementation final : public QReplicaImplementationInterface
{
public:
explicit QStubReplicaImplementation();
~QStubReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(const QVariantList &) override;
void setProperty(int i, const QVariant &) override;
bool isInitialized() const override { return false; }
QRemoteObjectReplica::State state() const override { return QRemoteObjectReplica::State::Uninitialized;}
bool waitForSource(int) override { return false; }
QRemoteObjectNode *node() const override { return nullptr; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) override;
QVariantList m_propertyStorage;
};
class QRemoteObjectReplicaImplementation : public QObject, public QReplicaImplementationInterface
{
public:
explicit QRemoteObjectReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QRemoteObjectReplicaImplementation() override;
bool needsDynamicInitialization() const;
const QVariant getProperty(int i) const override = 0;
void setProperties(const QVariantList &) override = 0;
void setProperty(int i, const QVariant &) override = 0;
virtual bool isShortCircuit() const = 0;
bool isInitialized() const override { return true; }
QRemoteObjectReplica::State state() const override { return QRemoteObjectReplica::State(m_state.load()); }
void setState(QRemoteObjectReplica::State state);
bool waitForSource(int) override { return true; }
virtual bool waitForFinished(const QRemoteObjectPendingCall &, int) { return true; }
virtual void notifyAboutReply(int, const QVariant &) {}
virtual void configurePrivate(QRemoteObjectReplica *);
void emitInitialized();
QRemoteObjectNode *node() const override { return m_node; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override = 0;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) override = 0;
//Dynamic replica functions
virtual void setDynamicMetaObject(const QMetaObject *meta);
virtual void setDynamicProperties(const QVariantList &values);
QString m_objectName;
const QMetaObject *m_metaObject;
//Dynamic Replica data
int m_numSignals;//TODO maybe here too
int m_methodOffset;
int m_signalOffset;
int m_propertyOffset;
QRemoteObjectNode *m_node;
QByteArray m_objectSignature;
QAtomicInt m_state;
};
class QConnectedReplicaImplementation final : public QRemoteObjectReplicaImplementation
{
public:
explicit QConnectedReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QConnectedReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(const QVariantList &) override;
void setProperty(int i, const QVariant &) override;
bool isShortCircuit() const final { return false; }
bool isInitialized() const override;
bool waitForSource(int timeout) override;
QVector<int> childIndices() const;
void initialize(QVariantList &values);
void configurePrivate(QRemoteObjectReplica *) override;
void requestRemoteObjectSource();
bool sendCommand();
QRemoteObjectPendingCall sendCommandWithReply(int serialId);
bool waitForFinished(const QRemoteObjectPendingCall &call, int timeout) override;
void notifyAboutReply(int ackedSerialId, const QVariant &value) override;
void setConnection(IoDeviceBase *conn);
void setDisconnected();
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList& args) override;
void setDynamicMetaObject(const QMetaObject *meta) override;
void setDynamicProperties(const QVariantList&) override;
QVector<QRemoteObjectReplica *> m_parentsNeedingConnect;
QVariantList m_propertyStorage;
QVector<int> m_childIndices;
QPointer<IoDeviceBase> connectionToSource;
// pending call data
int m_curSerialId = 1; // 0 is reserved for heartbeat signals
QHash<int, QRemoteObjectPendingCall> m_pendingCalls;
QRemoteObjectPackets::DataStreamPacket m_packet;
QTimer m_heartbeatTimer;
};
class QInProcessReplicaImplementation final : public QRemoteObjectReplicaImplementation
{
public:
explicit QInProcessReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QInProcessReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(const QVariantList &) override;
void setProperty(int i, const QVariant &) override;
bool isShortCircuit() const final { return true; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList& args) override;
QPointer<QRemoteObjectSourceBase> connectionToSource;
};
QT_END_NAMESPACE
#endif
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