/**
  * @RDE_HEADER@
  * Generic Function Topic Server (FTS Replier)
  * $Id$
  * $HeadURL$
  * $Author$
  */
#pragma once

#include "generic_fts.h"
#include <DDS/FTS/ddsfts_export.h>
#include <DDS/Generic/wait_set_handler.h>
#include <dds/sub/qos/DataReaderQos.hpp>
#include <dds/pub/qos/DataWriterQos.hpp>

#include <QObject>

namespace FTS
{
  class DDSFTS_EXPORT GenericFtsInternal : public QObject
      , protected DDSGeneric::WaitSetHandler::CallbackInterface
  {
    Q_OBJECT
  protected:
    GenericFtsInternal() = default;

    static void printDefaultQos(NGL::INGLLogger &logger);
    static dds::sub::qos::DataReaderQos readerQos(NGL::INGLLogger &logger);
    static dds::pub::qos::DataWriterQos writerQos(NGL::INGLLogger &logger);

  protected:
    // those two functions are executed in another thread
    void dataAvailable() override;
    virtual bool enqueueRequests() = 0; // returns true when valid data could be read (so waitForRequests should be invoked)
  protected Q_SLOTS:
    virtual void processRequests() = 0;
  };

} // namespace FTS