/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

 /*

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License version 2 as

  * published by the Free Software Foundation;

  *

  * This program 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 this program; if not, write to the Free Software

  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  */

 #ifndef NSC_TCP_L4_PROTOCOL_H

 #define NSC_TCP_L4_PROTOCOL_H

 #include <stdint.h>

 #include "ns3/packet.h"

 #include "ns3/ipv4-address.h"

 #include "ns3/ptr.h"

 #include "ns3/object-factory.h"

 #include "ipv4-end-point-demux.h"

 #include "ipv4-l4-protocol.h"

 #include "ipv4-interface.h"

 #include "tcp-header.h"

 #include "nsc-tcp-socket-impl.h"

 #include "sim_interface.h"

 namespace ns3 {

 class Node;

 class Socket;

 class TcpHeader;

 /**

  * \ingroup nsctcp

  *

  * \brief Nsc wrapper glue, to interface with the Ipv4 protocol underneath.

  */

 class NscTcpL4Protocol : public Ipv4L4Protocol {

 public:

   static const uint8_t PROT_NUMBER;

   static TypeId GetTypeId (void);

   /**

    * \brief Constructor

    */

   NscTcpL4Protocol ();

   void SetNode (Ptr<Node> node);

   // legacy, moved to node/node.cc

   void SetNscLibrary (const std::string &lib);

   std::string GetNscLibrary (void) const;

   virtual int GetProtocolNumber (void) const;

   virtual int GetVersion (void) const;

   /**

    * \return A smart Socket pointer to a NscTcpSocketImpl, allocated by this instance

    * of the TCP protocol

    */

   Ptr<Socket> CreateSocket (void);

   Ipv4EndPoint *Allocate (void);

   Ipv4EndPoint *Allocate (Ipv4Address address);

   Ipv4EndPoint *Allocate (uint16_t port);

   Ipv4EndPoint *Allocate (Ipv4Address address, uint16_t port);

   Ipv4EndPoint *Allocate (Ipv4Address localAddress, uint16_t localPort,

                           Ipv4Address peerAddress, uint16_t peerPort);

   void DeAllocate (Ipv4EndPoint *endPoint);

   /**

    * \brief Recieve a packet up the protocol stack

    * \param p The Packet to dump the contents into

    * \param source The source's Ipv4Address

    * \param destination The destinations Ipv4Address

    * \param incomingInterface The Ipv4Interface it was received on

    */

   // Stub function, not used in nsc

   virtual Ipv4L4Protocol::RxStatus Receive (Ptr<Packet> p,

                        Ipv4Address const &source,

                        Ipv4Address const &destination,

                        Ptr<Ipv4Interface> incomingInterface);

 protected:

   virtual void DoDispose (void);

   virtual void NotifyNewAggregate ();

 private:

   Ptr<Node> m_node;

   Ipv4EndPointDemux *m_endPoints;

   ObjectFactory m_rttFactory;

 private:

   static ObjectFactory GetDefaultRttEstimatorFactory (void);

   friend class NscTcpSocketImpl;

   INetStack* m_nscStack;

   void Wakeup (void);

   std::string m_nscLibrary;

   std::vector<Ptr<NscTcpSocketImpl> > m_sockets;

 };

 }; // namespace ns3

 #endif /* NSC_TCP_L4_PROTOCOL_H */