AliasLink.h

// Copyright 2008 Michael Marsh, University of Maryland.
//
// This file is part of pydtn.
//
// pydtn is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// pydtn 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 more details.
//
// You should have received a copy of the GNU General Public License
// along with pydtn.  If not, see <http://www.gnu.org/licenses/>.
//
// The views and conclusions contained in the software and documentation
// are those of the authors and should not be interpreted as representing
// official policies, either expressed or implied, of the University
// of Maryland.
//
// pydtn extends and embeds the Python interpreter, which is
// Copyright 2001-2006 Python Software Foundation, All Rights Reserved,
// and is released under the PSF License Agreement.
//
// RANLUX random number generation uses the Boost library,
// Copyright 1994-2006 by various authors (details in individual files),
// which is released under the Boost Software License, Version 1.0.

#ifndef __WRAPPERS_HARNESS_ALIAS_LINK_H__
#define __WRAPPERS_HARNESS_ALIAS_LINK_H__

#include "config.h"
#include "dtn/Link.h"
#include "SimLink.h"
#include "simlpy/SimulationException.h"


class AliasLink : public DTN::Link
{
   public :
      AliasLink( SimLink* link ) : m_link( link ) {}
      AliasLink( const AliasLink& aLink ) : m_link( aLink.m_link ) {}
      virtual ~AliasLink() {}

      void send( DTN::Bundle* b ) { if(0!=m_link) m_link->send(b); }

      const DTN::ByteString& remoteAddr() const {
         if ( 0 == m_link )
         {
            throw SimulationException( __FILE__ , __LINE__ );
         }
         return m_link->remoteAddr();
      }

   protected :
      AliasLink();

   private :
      SimLink*  m_link;
};


#endif /* __WRAPPERS_HARNESS_ALIAS_LINK_H__ */

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