node.h

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/*
 * Copyright (c) 2006 Georgia Tech Research Corporation, INRIA
 *
 * 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
 *
 * Authors: George F. Riley<riley@ece.gatech.edu>
 *          Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */
#ifndef NODE_H
#define NODE_H
 
#include "net-device.h"
 
#include "ns3/callback.h"
#include "ns3/object.h"
#include "ns3/ptr.h"
 
#include <vector>
 
namespace ns3
{
 
class Application;
class Packet;
class Address;
class Time;
 
class Node : public Object
{
  public:
    static TypeId GetTypeId();
 
    Node();
    Node(uint32_t systemId);
 
    ~Node() override;
 
    uint32_t GetId() const;
 
    Time GetLocalTime() const;
 
    uint32_t GetSystemId() const;
 
    uint32_t AddDevice(Ptr<NetDevice> device);
    Ptr<NetDevice> GetDevice(uint32_t index) const;
    uint32_t GetNDevices() const;
 
    uint32_t AddApplication(Ptr<Application> application);
    Ptr<Application> GetApplication(uint32_t index) const;
 
    uint32_t GetNApplications() const;
 
    typedef Callback<void,
                     Ptr<NetDevice>,
                     Ptr<const Packet>,
                     uint16_t,
                     const Address&,
                     const Address&,
                     NetDevice::PacketType>
        ProtocolHandler;
    void RegisterProtocolHandler(ProtocolHandler handler,
                                 uint16_t protocolType,
                                 Ptr<NetDevice> device,
                                 bool promiscuous = false);
    void UnregisterProtocolHandler(ProtocolHandler handler);
 
    typedef Callback<void, Ptr<NetDevice>> DeviceAdditionListener;
    void RegisterDeviceAdditionListener(DeviceAdditionListener listener);
    void UnregisterDeviceAdditionListener(DeviceAdditionListener listener);
 
    static bool ChecksumEnabled();
 
  protected:
    void DoDispose() override;
    void DoInitialize() override;
 
  private:
    void NotifyDeviceAdded(Ptr<NetDevice> device);
 
    bool NonPromiscReceiveFromDevice(Ptr<NetDevice> device,
                                     Ptr<const Packet> packet,
                                     uint16_t protocol,
                                     const Address& from);
    bool PromiscReceiveFromDevice(Ptr<NetDevice> device,
                                  Ptr<const Packet> packet,
                                  uint16_t protocol,
                                  const Address& from,
                                  const Address& to,
                                  NetDevice::PacketType packetType);
    bool ReceiveFromDevice(Ptr<NetDevice> device,
                           Ptr<const Packet>,
                           uint16_t protocol,
                           const Address& from,
                           const Address& to,
                           NetDevice::PacketType packetType,
                           bool promisc);
 
    void Construct();
 
    struct ProtocolHandlerEntry
    {
        ProtocolHandler handler; 
        Ptr<NetDevice> device;   
        uint16_t protocol;       
        bool promiscuous;        
    };
 
    typedef std::vector<Node::ProtocolHandlerEntry> ProtocolHandlerList;
    typedef std::vector<DeviceAdditionListener> DeviceAdditionListenerList;
 
    uint32_t m_id;                                        
    uint32_t m_sid;                                       
    std::vector<Ptr<NetDevice>> m_devices;                
    std::vector<Ptr<Application>> m_applications;         
    ProtocolHandlerList m_handlers;                       
    DeviceAdditionListenerList m_deviceAdditionListeners; 
};
 
} // namespace ns3
 
#endif /* NODE_H */