vsa-manager.h

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/*
 * Copyright (c) 2013 Dalian University of Technology
 * 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: Junling Bu <linlinjavaer@gmail.com>
 */
#ifndef VSA_MANAGER_H
#define VSA_MANAGER_H
#include "wave-net-device.h"
 
#include <vector>
 
namespace ns3
{
 
enum VsaTransmitInterval
{
    VSA_TRANSMIT_IN_CCHI = 1,
    VSA_TRANSMIT_IN_SCHI = 2,
    VSA_TRANSMIT_IN_BOTHI = 3,
};
 
struct VsaInfo
{
    Mac48Address peer;                
    OrganizationIdentifier oi;        
    uint8_t managementId;             
    Ptr<Packet> vsc;                  
    uint32_t channelNumber;           
    uint8_t repeatRate;               
    VsaTransmitInterval sendInterval; 
 
    VsaInfo(Mac48Address peer,
            OrganizationIdentifier identifier,
            uint8_t manageId,
            Ptr<Packet> vscPacket,
            uint32_t channel,
            uint8_t repeat,
            VsaTransmitInterval interval)
        : peer(peer),
          oi(identifier),
          managementId(manageId),
          vsc(vscPacket),
          channelNumber(channel),
          repeatRate(repeat),
          sendInterval(interval)
    {
    }
};
 
class VsaManager : public Object
{
  public:
    static TypeId GetTypeId();
    VsaManager();
    ~VsaManager() override;
 
    void SetWaveNetDevice(Ptr<WaveNetDevice> device);
 
    void SetWaveVsaCallback(
        Callback<bool, Ptr<const Packet>, const Address&, uint32_t, uint32_t> vsaCallback);
 
    void SendVsa(const VsaInfo& vsaInfo);
    void RemoveAll();
    void RemoveByChannel(uint32_t channelNumber);
    void RemoveByOrganizationIdentifier(const OrganizationIdentifier& oi);
 
  private:
    void DoDispose() override;
    void DoInitialize() override;
 
    bool ReceiveVsc(Ptr<WifiMac> mac,
                    const OrganizationIdentifier& oi,
                    Ptr<const Packet> vsc,
                    const Address& src);
 
    const static uint32_t VSA_REPEAT_PERIOD = 5;
 
    struct VsaWork
    {
        Mac48Address peer;                
        OrganizationIdentifier oi;        
        Ptr<Packet> vsc;                  
        uint32_t channelNumber;           
        VsaTransmitInterval sentInterval; 
        Time repeatPeriod;                
        EventId repeat;                   
    };
 
    void DoRepeat(VsaWork* vsa);
    void DoSendVsa(VsaTransmitInterval interval,
                   uint32_t channel,
                   Ptr<Packet> vsc,
                   OrganizationIdentifier oi,
                   Mac48Address peer);
 
    Callback<bool, Ptr<const Packet>, const Address&, uint32_t, uint32_t>
        m_vsaReceived;            
    std::vector<VsaWork*> m_vsas; 
    Ptr<WaveNetDevice> m_device;  
};
 
} // namespace ns3
#endif /* VSA_MANAGER_H */