RtclAttnShuttle.hpp

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// $Id: RtclAttnShuttle.hpp 1186 2019-07-12 17:49:59Z mueller $
// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright 2013-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
// 
// Revision History: 
// Date         Rev Version  Comment
// 2014-12-30   625   1.1    adopt to Rlink V4 attn logic
// 2013-03-01   493   1.0    Initial version
// 2013-01-14   475   0.5    First draft
// ---------------------------------------------------------------------------
 
#ifndef included_Retro_RtclAttnShuttle
#define included_Retro_RtclAttnShuttle 1
 
#include "tcl.h"
 
#include <cstdint>
 
#include "librtcltools/RtclOPtr.hpp"
#include "librlink/RlinkServer.hpp"
 
namespace Retro {
 
  class RtclAttnShuttle {
    public:
                    RtclAttnShuttle(uint16_t mask, Tcl_Obj* pobj);
                   ~RtclAttnShuttle();
 
      uint16_t      Mask() const;
      Tcl_Obj*      Script() const;
 
      void          Add(RlinkServer* pserv, Tcl_Interp* interp);
      void          Remove();
 
    protected:
      int           AttnHandler(RlinkServer::AttnArgs& args);
      void          TclChannelHandler(int mask);
      static void   ThunkTclChannelHandler(ClientData cdata, int mask);
 
    protected:
      RlinkServer*  fpServ;                 
      Tcl_Interp*   fpInterp;               
      int           fFdPipeRead;            
      int           fFdPipeWrite;           
      Tcl_Channel   fShuttleChn;            
      uint16_t      fMask;                  
      RtclOPtr      fpScript;               
  };
  
} // end namespace Retro
 
#include "RtclAttnShuttle.ipp"
 
#endif