maclayerimpl.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
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 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 */

#ifndef EMANEMACLAYERIMPL_HEADER_
#define EMANEMACLAYERIMPL_HEADER_

#include "emane/nemlayer.h"
#include "emane/radioserviceuser.h"
#include "emane/commonmacheader.h"

namespace EMANE
{
  class MACLayerImplementor : public NEMLayer,
                              public RadioServiceUser
  {
  public:
    virtual ~MACLayerImplementor(){}

    virtual void processUpstreamPacket(const CommonMACHeader & hdr,
                                       UpstreamPacket & pkt, 
                                       const ControlMessages & msgs = UpstreamTransport::empty) = 0;
    
    void sendDownstreamPacket(const CommonMACHeader & hdr,
                              DownstreamPacket & pkt, 
                              const ControlMessages & msgs = DownstreamTransport::empty);

  protected:
    MACLayerImplementor(NEMId id,
                        PlatformServiceProvider * pPlatformServiceProvider,
                        RadioServiceProvider * pRadioServiceProvider):
      NEMLayer{id,pPlatformServiceProvider},
      RadioServiceUser{pRadioServiceProvider}
      {}

  private:
    void processUpstreamPacket(UpstreamPacket & pkt, const ControlMessages & msgs);
    
    void sendDownstreamPacket(DownstreamPacket & pkt, 
                              const ControlMessages & msgs =  DownstreamTransport::empty);
  };
  
  typedef  MACLayerImplementor * (*createMACFunc)(NEMId id, PlatformServiceProvider *p); 
  typedef void (*destroyMACFunc)( MACLayerImplementor*); 
}

#define DECLARE_MAC_LAYER(X)                                                                           \
  extern "C"  EMANE::MACLayerImplementor * create(EMANE::NEMId id,                                     \
                                                  EMANE::PlatformServiceProvider *p,                   \
                                                  EMANE::RadioServiceProvider * r)                     \
  {return new X{id,p,r};}                                               \
  extern "C"  void destroy(EMANE::MACLayerImplementor * p)                                             \
  {delete p;}

#include "emane/maclayerimpl.inl"

#endif //EMANEMACLAYERIMPL_HEADER_