WsfCommTransportLayer.hpp

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// ****************************************************************************
// CUI
//
// The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
//
// Copyright 2017 Infoscitex, a DCS Company. All rights reserved.
//
// The use, dissemination or disclosure of data in this file is subject to
// limitation or restriction. See accompanying README and LICENSE for details.
// ****************************************************************************
 
#ifndef WSFCOMMTRANSPORTLAYER_HPP
#define WSFCOMMTRANSPORTLAYER_HPP
 
#include "wsf_export.h"
 
// Base class
#include "WsfCommLayer.hpp"
 
namespace wsf
{
namespace comm
{
 
class Message;
 
class WSF_EXPORT TransportLayer : public LayerImp
{
public:
   enum
   {
      cRELIABLE_TRANSPORT = 0x00000001, 
      cORDERED_DELIVERY   = 0x00000002, 
      cCHECKSUM           = 0x00000004, 
      cMTU                = 0x00000008, 
      cFLOW_CONTROL       = 0x00000010, 
      cCONGESTION_CONTROL = 0x00000020, 
      cNAGLE_ALGORITHM    = 0x00000040  
   };
 
   // Constructor and destructor
   TransportLayer()           = default;
   ~TransportLayer() override = default;
   TransportLayer& operator=(const TransportLayer& aRhs) = delete;


   LayerImp* Clone() const override;
   bool      Initialize(double aSimTime) override { return true; }
   bool      ProcessInput(UtInput& aInput) override;


   bool Receive(double aSimTime, Comm* aXmtrPtr, Message& aMessage, bool& aNotifyNextLayer) override;
   bool Send(double aSimTime, size_t aLayerIndex, Message& aMessage, bool& aNotifyNextLayer) override;


   bool ProcessLayerMessage(double aSimTime, layer::Message aLayerMessage, Message* aCommMessagePtr) override;

   unsigned int GetTransportFeatures() const { return mTransportFeature; }
 
protected:
   // Copy constructor
   TransportLayer(const TransportLayer& aSrc) = default;
 
private:
   unsigned int mTransportFeature{0};
   unsigned int mMTU{0};      
   unsigned int mChecksum{0}; 

};
 
} // namespace comm
} // namespace wsf
 
#endif