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// $Id: Rw11UnitTerm.hpp 508 2013-04-20 18:43:28Z mueller $

//

// Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

//

// This program is free software; you may redistribute and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation, either version 2, or at your option any later version.

//

// 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 General Public License

// for complete details.

// 

// Revision History: 

// Date         Rev Version  Comment

// 2013-04-20   508   1.0.1  add 7bit and non-printable masking; add log file

// 2013-04-13   504   1.0    Initial version

// 2013-02-19   490   0.1    First draft

// ---------------------------------------------------------------------------

/*!

  \file

  \version $Id: Rw11UnitTerm.hpp 508 2013-04-20 18:43:28Z mueller $

  \brief   Declaration of class Rw11UnitTerm.

*/

#ifndef included_Retro_Rw11UnitTerm

#define included_Retro_Rw11UnitTerm 1

#include <iostream>

#include <fstream>

#include <deque>

#include "Rw11VirtTerm.hpp"

#include "Rw11UnitVirt.hpp"

namespace Retro {

  class Rw11UnitTerm : public Rw11UnitVirt<Rw11VirtTerm> {

    public:

                    Rw11UnitTerm(Rw11Cntl* pcntl, size_t index);

                   ~Rw11UnitTerm();

      const std::string& ChannelId() const;

      void          SetTo7bit(bool to7bit);

      void          SetToEnpc(bool toenpc);

      void          SetTi7bit(bool ti7bit);

      bool          To7bit() const;

      bool          ToEnpc() const;

      bool          Ti7bit() const;

      void          SetLog(const std::string& fname);

      const std::string&  Log() const;

      virtual bool  RcvQueueEmpty();

      virtual size_t RcvQueueSize();

      virtual uint8_t RcvNext();

      virtual size_t Rcv(uint8_t* buf, size_t count);

      virtual bool  Snd(const uint8_t* buf, size_t count);

      virtual bool  RcvCallback(const uint8_t* buf, size_t count);

      virtual void  WakeupCntl();

      virtual void  Dump(std::ostream& os, int ind=0, const char* text=0) const;

    // statistics counter indices

      enum stats {

        kStatNPreAttDrop = Rw11Unit::kDimStat,

        kDimStat

      };

    protected:

      virtual void  AttachSetup();

    protected:

      bool          fTo7bit;                //<! discard parity bit on output

      bool          fToEnpc;                //<! escape non-printabls on output

      bool          fTi7bit;                //<! discard parity bit on input

      std::deque<uint8_t>  fRcvQueue;       //<! input queue

      std::string   fLogFname;              //<! log file name

      std::ofstream fLogStream;             //<! log file stream

      bool          fLogOptCrlf;            //<! log file: crlf option given

      bool          fLogCrPend;             //<! log file: cr pending

      bool          fLogLfLast;             //<! log file: lf was last char

  };

} // end namespace Retro

#include "Rw11UnitTerm.ipp"

#endif