WrapNode.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_WRAP_NODE_H__
#define __WRAPPERS_HARNESS_WRAP_NODE_H__


#include "config.h"
#include "dtn/Node.h"
#include "dtn/ConsumerChain.h"
#include "dtn/Application.h"
#include "BundleHandler.h"
#include "NodeCollector.h"

#include <list>

class BundleEvent;
class ResendEvent;


class WrapNode : public BundleHandler
{
   public :
      typedef std::list< NodeCollector* > CollectorList;

      WrapNode();
      virtual ~WrapNode();

      Entity* create() const;

      void configure( const ArgList& args );

      void emit( const ArgList& args );

      InterpreterItem get( const ArgList& args );

      void addLink( DTN::Link* l );

      void addConsumer( DTN::Consumer* c );

      void addApplication( DTN::Application* a );

      void addCollector( NodeCollector* c );

      void setVolatileStorePolicy( DTN::VolatileStorePolicy* p );

      void setForwardingPolicy( DTN::ForwardingPolicy* p );

      void setVolatileStore( DTN::VolatileBundleStore* s );

      void setPersistentStore( DTN::PersistentBundleStore* s );

      bool handler( BundleEvent& event );

      bool handler( ResendEvent& event );

      std::string identifier() const { return "node"; }

      void finalize() const;

      void collect() const;

      void setAddr( const DTN::ByteString& a );

      DTN::Node& node() { return m_node; }

      const DTN::ByteString& addr() const;

      const std::string& addrString() const;

      void forwardOn( DTN::Link& l );

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

      size_t volatileBundles() const;

      DTN::BundlePointer cachedVolatile();

      const DTN::BundlePointer cachedVolatile() const;

      size_t persistentBundles() const;

      DTN::BundlePointer cachedPersistent();

      const DTN::BundlePointer cachedPersistent() const;

      const Time& bundleLifetime() const { return m_bundleLifetime; }

   private :
      DTN::Node  m_node; 

      DTN::ConsumerChain*  m_consumers; 
      CollectorList        m_collectors;

      Time  m_bundleLifetime;

      Time  m_resendPeriod;
      bool  m_resending;

      mutable std::string  m_addrString;
};


#endif /* __WRAPPERS_HARNESS_WRAP_NODE_H__ */

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