MessageManager.h

Go to the documentation of this file.

/*****************************************************************************
 *
 * Copyright (C) 2022  Florian Pose <fp@igh.de>
 *
 * This file is part of the QtPdCom library.
 *
 * The QtPdCom library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * The QtPdCom library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the QtPdCom Library. If not, see <http://www.gnu.org/licenses/>.
 *
 ****************************************************************************/
 
#ifndef QTPDCOM_MESSAGE_MANAGER_H
#define QTPDCOM_MESSAGE_MANAGER_H
 
#include <pdcom5/MessageManagerBase.h>
#include "FutureWatchers.h"
 
#include <QObject>
#include <QFuture>
#include <QFutureInterface>
#include <QFutureWatcher>
#include <QQueue>
 
/****************************************************************************/
 
namespace PdCom {
    class Process;
}
 
namespace QtPdCom {
 
using MessageFuture = QFuture<PdCom::Message>;
using MessageFutureInterface = QFutureInterface<PdCom::Message>;
using MessageListFuture = QFuture<std::vector<PdCom::Message>>;
using MessageListFutureInterface = QFutureInterface<std::vector<PdCom::Message>>;
 
 
class MessageWatcher : public QFutureWatcher<PdCom::Message>
{
    Q_OBJECT
 
    public:
 
        using QFutureWatcher<PdCom::Message>::QFutureWatcher;
};
 
class MessageListWatcher : public QFutureWatcher<std::vector<PdCom::Message>>
{
    Q_OBJECT
 
    public:
 
        using QFutureWatcher<std::vector<PdCom::Message>>::QFutureWatcher;
};
 
class MessageManager:
    public QObject,
    public PdCom::MessageManagerBase
{
    Q_OBJECT
 
    public:
        MessageManager();
        virtual ~MessageManager();
 
        void reset();
 
        MessageListFuture activeMessagesQt();
        MessageFuture getMessageQt(uint32_t seqNo);
 
        template <class Object, typename Callback>
        void activeMessages(Object *obj, Callback &&callback)
        {
            createWatcher<std::vector<PdCom::Message>>(obj, callback)
                .setFuture(activeMessagesQt());
        }
 
        template <class Object, typename Callback>
        void getMessage(uint32_t seqNo, Object *obj, Callback &&callback)
        {
            createWatcher<PdCom::Message>(obj, callback)
                .setFuture(getMessageQt(seqNo));
        }
 
 
    signals:
        void processMessageSignal(PdCom::Message message);
        void processResetSignal();
 
    private:
        void processMessage(PdCom::Message message) override;
        void getMessageReply(PdCom::Message message) override;
        void activeMessagesReply(std::vector<PdCom::Message> messageList) override;
 
        QQueue<MessageFutureInterface> getMessageQueue;
        QQueue<MessageListFutureInterface> activeMessageQueue;
};
 
}
 
#endif
 
/****************************************************************************/