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// $Id: Rw11UnitTerm.hpp 515 2013-05-04 17:28:59Z 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
// 2013-05-03   515   1.1    use AttachDone(),DetachCleanup(),DetachDone()
// 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 515 2013-05-04 17:28:59Z 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  AttachDone();
 
    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