ConsumerChain.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 __DTN_CONSUMER_CHAIN_H__
#define __DTN_CONSUMER_CHAIN_H__

#include "config.h"

#include "Consumer.h"
#include <vector>

namespace DTN
{
   class ConsumerChain : public Consumer
   {
      public :
         typedef std::vector< Consumer* >  ChainType;

         ConsumerChain( Node* owner ) : Consumer(owner) {}
         virtual ~ConsumerChain();

         virtual void operator()( const Bundle& b );

         virtual void drop( const Bundle& b,
                            const DropCause& c=DropCause::inst );

         virtual void custody( const Bundle& b );

         virtual void persistentStore( const Bundle& b );
         virtual void persistentRemove( const Bundle& b, bool cleanup=true );
         virtual void send( const Bundle& b );
         virtual void recv( const Bundle& b );
         virtual void exhausted( const Bundle& b );

         void addConsumer( Consumer* c );

      private :
         ChainType  m_chain;
   };
};

#endif /* __DTN_CONSUMER_CHAIN_H__ */

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