/**

   This file is part of CWRT package **

   Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). **

   This program 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, version 2.1 of the License.

   This program 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 this program. If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef Q_SERVICEIPCCLIENT_H

#define Q_SERVICEIPCCLIENT_H

#include <QtCore>

#include "serviceipcdefs.h"

namespace WRT {

    class ServiceFwIPC;

    class SFWIPC_EXPORT ServiceIPCClient : public QObject

    {

    Q_OBJECT

    public:

        virtual ~ ServiceIPCClient();

        explicit ServiceIPCClient(QObject* aParent, TServiceIPCBackends aBackend = EDefaultIPC);

    public:

        bool connect(const QString& aServerName);

        void disconnect();

        bool startServer(const QString& aServerName, const QString& aExeName);

        bool sendSync(const QString& aRequestType, const QByteArray& aData);

        void sendAsync(const QString& aRequestType, const QByteArray& aData);

        QByteArray readAll();

        //bool requestPending();

        inline qint32 sessionId() {return m_sessionId;}

    signals:

        void error(int aError);

        void readyRead(); //keep interface for ServiceFwIPC

        void readAsync(QByteArray ipcResult); //read async result

        void handleMessage( QByteArray aMessage );  //send broadcast msg 

    private slots:

    /**

     * Handle the IPC client "readyRead" signal

     */

        void handleAsyncMsg(); 

        void handleBroadcastMsg();

    private:    

        void subscribeBroadcastMsg();

        // Member Variables

    protected:        

       // friend class ServiceFwIPC;

        // One instance of the IPC endpoint to handle async messages

        ServiceFwIPC* m_asyncIPC;

        // Another instance of the IPC endpoint to handle sync messages

        ServiceFwIPC* m_syncIPC;

        // Another instance of the IPC endpoint to handle broadcast messages

        ServiceFwIPC* m_broadcastIPC;

    private:

        qint32 m_sessionId;

    };

}

#endif // Q_SERVICEIPCCLIENT_H