#include "ns3/packet-sink.h"

  // Create a packet sink to receive these packets

  Ptr<PacketSink> sink = Create<PacketSink> (

    n3, 

    InetSocketAddress (Ipv4Address::GetAny (), 80), 

    "Udp");

  // Start the sink

  sink->Start (Seconds (1.0));

  sink->Stop (Seconds (10.0));

  // Create a packet sink to receive these packets

  sink = Create<PacketSink> (

    n1, 

    InetSocketAddress (Ipv4Address::GetAny (), 80), 

    "Udp");

  // Start the sink

  sink->Start (Seconds (1.1));

  sink->Stop (Seconds (10.0));

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

//

// Copyright (c) 2006 Georgia Tech Research Corporation

//

// 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

//

#include "ns3/address.h"

#include "ns3/inet-socket-address.h"

#include "ns3/node.h"

#include "ns3/socket.h"

#include "ns3/simulator.h"

#include "ns3/socket-factory.h"

#include "ns3/packet.h"

#include "packet-sink.h"

using namespace std;

namespace ns3 {

// Constructors

PacketSink::PacketSink (Ptr<Node> n, 

                        const Address &local,

                        std::string iid)

  :  Application(n)

{

  Construct (n, local, iid);

}

void

PacketSink::Construct (Ptr<Node> n, 

                             const Address &local,

                             std::string iid)

{

  m_socket = 0;

  m_local = local;

  m_iid = iid;

}

PacketSink::~PacketSink()

{}

void

PacketSink::DoDispose (void)

{

  m_socket = 0;

  // chain up

  Application::DoDispose ();

}

// Application Methods

void PacketSink::StartApplication()    // Called at time specified by Start

{

  // Create the socket if not already

  if (!m_socket)

    {

      InterfaceId iid = InterfaceId::LookupByName (m_iid);

      Ptr<SocketFactory> socketFactory = 

        GetNode ()->QueryInterface<SocketFactory> (iid);

      m_socket = socketFactory->CreateSocket ();

      m_socket->Bind (m_local);

    }

  m_socket->SetRecvCallback((Callback<void, Ptr<Socket>, const Packet &,

    const Address &>) MakeCallback(&PacketSink::Receive, this));

}

void PacketSink::StopApplication()     // Called at time specified by Stop

{

  if (!m_socket) 

    {

      m_socket->SetRecvCallback((Callback<void, Ptr<Socket>, const Packet &,

                               const Address &>) NULL);

    }

}

// This callback body suggested by Joe Kopena's wiki

void PacketSink::Receive(Ptr<Socket> socket, const Packet &packet,

                       const Address &from) 

{

  InetSocketAddress address = InetSocketAddress::ConvertFrom (from);

  cout << __PRETTY_FUNCTION__ << ": Received " << packet.GetSize() <<

    " bytes from " << address.GetIpv4() << " [" << address << "]---'" <<

    packet.PeekData() << "'" << endl;

}

} // Namespace ns3

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

//

// Copyright (c) 2006 Georgia Tech Research Corporation

//

// 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 __packet_sink_h__

#define __packet_sink_h__

#include "ns3/application.h"

#include "ns3/event-id.h"

#include "ns3/ptr.h"

namespace ns3 {

class Address;

class Socket;

class Packet;

class PacketSink : public Application 

{

public:

  /**

   * \param n node associated to this application

   * \param local local ip address

   * \param iid

   * \param ontime on time random variable

   * \param offtime off time random variable

   */

  PacketSink (Ptr<Node> n,

              const Address &local,

              std::string iid);

  virtual ~PacketSink ();

protected:

  virtual void DoDispose (void);

private:

  // inherited from Application base class.

  virtual void StartApplication (void);    // Called at time specified by Start

  virtual void StopApplication (void);     // Called at time specified by Stop

  void Construct (Ptr<Node> n,

                  const Address &local,

                  std::string iid);

  void Receive (Ptr<Socket> socket, const Packet& packet, const Address& from);

  Ptr<Socket>     m_socket;       // Associated socket

  Address         m_local;        // Local address to bind to

  std::string     m_iid;          // Protocol name (e.g., "Udp")

};

} // namespace ns3

#endif

        'packet-sink.cc',

        'packet-sink.h',

  /**

   * \brief Get Ipv4Address corresponding to INADDR_ANY constant

   *        (0.0.0.0)

   */

  /**

   * \brief Get Ipv4Address corresponding to INADDR_BROADCAST constant

   *        (255.255.255.255)

   */

  /**

   * \brief Get Ipv4Address corresponding to INADDR_LOOPBACK constant

   *        (127.0.0.1)

   */