gtp-tunnel-app.h

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/*
 * Copyright (c) 2016 University of Campinas (Unicamp)
 *
 * 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
 *
 * Author: Luciano Jerez Chaves <ljerezchaves@gmail.com>
 */
 
#ifndef GTP_TUNNEL_APP_H
#define GTP_TUNNEL_APP_H
 
#include <ns3/applications-module.h>
#include <ns3/core-module.h>
#include <ns3/csma-module.h>
#include <ns3/internet-module.h>
#include <ns3/network-module.h>
#include <ns3/virtual-net-device-module.h>
 
namespace ns3
{
 
class GtpTunnelApp : public Application
{
  public:
    GtpTunnelApp(Ptr<VirtualNetDevice> logicalPort, Ptr<CsmaNetDevice> physicalDev);
    ~GtpTunnelApp() override; 
 
    static TypeId GetTypeId();
 
    bool RecvFromLogicalPort(Ptr<Packet> packet,
                             const Address& source,
                             const Address& dest,
                             uint16_t protocolNo);
 
    void RecvFromTunnelSocket(Ptr<Socket> socket);
 
  protected:
    void DoDispose() override;
 
    // Inherited from Application.
    void StartApplication() override;
 
  private:
    void AddHeader(Ptr<Packet> packet,
                   Mac48Address source = Mac48Address(),
                   Mac48Address dest = Mac48Address(),
                   uint16_t protocolNo = Ipv4L3Protocol::PROT_NUMBER);
 
    Ptr<Socket> m_tunnelSocket;          
    Ptr<VirtualNetDevice> m_logicalPort; 
    Ptr<CsmaNetDevice> m_physicalDev;    
    const uint16_t m_port = 2152;        
};
 
} // namespace ns3
#endif /* GTP_TUNNEL_APP_H */