nemlayerstate.h

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/*
 * Copyright (c) 2013-2014 - Adjacent Link LLC, Bridgewater, New Jersey
 * Copyright (c) 2008 - DRS CenGen, LLC, Columbia, Maryland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 * * Neither the name of DRS CenGen, LLC nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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 */

#ifndef EMANENEMLAYERSTATE_HEADER_
#define EMANENEMLAYERSTATE_HEADER_

#include "emane/nemlayer.h"

namespace EMANE
{
  class NEMStatefulLayer;
  class NEMLayer;
  
  class NEMLayerState
  {
  public:
    virtual ~NEMLayerState() = 0;

    virtual void handleInitialize(NEMStatefulLayer * pStatefulLayer,
                                  NEMLayer * pLayer,
                                  Registrar & registrar);

    virtual void handleConfigure(NEMStatefulLayer * pStatefulLayer, 
                                 NEMLayer * pLayer, 
                                 const ConfigurationUpdate & update);

    virtual void handleStart(NEMStatefulLayer * pStatefulLayer,
                             NEMLayer * pLayer);

    
    virtual void handlePostStart(NEMStatefulLayer * pStatefulLayer,
                                 NEMLayer * pLayer);

    virtual void handleStop(NEMStatefulLayer * pStatefulLayer,
                            NEMLayer * pLayer);

    virtual void handleDestroy(NEMStatefulLayer * pStatefulLayer,
                               NEMLayer * pLayer)
      throw();


    virtual void processConfiguration(NEMStatefulLayer * pStatefulLayer, 
                                      NEMLayer * pLayer, 
                                      const ConfigurationUpdate & update);


    virtual void processDownstreamControl(NEMStatefulLayer * pStatefulLayer, 
                                          NEMLayer * pLayer, 
                                          const ControlMessages & msgs);

    virtual void processDownstreamPacket(NEMStatefulLayer * pStatefulLayer, 
                                         NEMLayer * pLayer,  
                                         DownstreamPacket & pkt,
                                         const ControlMessages & msgs);
    
    virtual void processUpstreamPacket(NEMStatefulLayer * pStatefulLayer, 
                                       NEMLayer * pLayer, 
                                       UpstreamPacket & pkt,
                                       const ControlMessages & msgs);

    virtual void processUpstreamControl(NEMStatefulLayer * pStatefulLayer, 
                                        NEMLayer * pLayer, 
                                        const ControlMessages & msgs);
    
    virtual void processEvent(NEMStatefulLayer * pStatefulLayer,
                              NEMLayer * pLayer,
                              const EventId & id, 
                              const Serialization & serialization);


    virtual void processTimedEvent(NEMStatefulLayer * pStatefulLayer,
                                   NEMLayer * pLayer,
                                   TimerEventId eventId,
                                   const TimePoint & expireTime,
                                   const TimePoint & scheduleTime,
                                   const TimePoint & fireTime,
                                   const void * arg);
   
    std::string getStateName() const;

  protected:
    const char * pzStateName_;

    NEMLayerState(const char * pzStateName);
    
    void changeState(NEMStatefulLayer * pStatefulLayer,NEMLayerState * pState);
  };
}

#endif //EMANENEMLAYERSTATE_HEADER_