bs-service-flow-manager.h

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/*
 * Copyright (c) 2009 INRIA, UDcast
 *
 * 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
 *
 *         Mohamed Amine Ismail <amine.ismail@sophia.inria.fr>
 */
 
#ifndef BS_SERVICE_FLOW_MANAGER_H
#define BS_SERVICE_FLOW_MANAGER_H
 
#include "bs-net-device.h"
#include "mac-messages.h"
#include "service-flow-manager.h"
 
#include "ns3/buffer.h"
#include "ns3/event-id.h"
 
#include <stdint.h>
 
namespace ns3
{
 
class Packet;
class ServiceFlow;
class WimaxNetDevice;
class SSRecord;
class WimaxConnection;
class BaseStationNetDevice;
 
class BsServiceFlowManager : public ServiceFlowManager
{
  public:
    enum ConfirmationCode // as per Table 384 (not all codes implemented)
    {
        CONFIRMATION_CODE_SUCCESS,
        CONFIRMATION_CODE_REJECT
    };
 
    BsServiceFlowManager(Ptr<BaseStationNetDevice> device);
    ~BsServiceFlowManager() override;
    void DoDispose() override;
    static TypeId GetTypeId();
 
    void AddServiceFlow(ServiceFlow* serviceFlow);
    ServiceFlow* GetServiceFlow(uint32_t sfid) const;
    ServiceFlow* GetServiceFlow(Cid cid) const;
    std::vector<ServiceFlow*> GetServiceFlows(ServiceFlow::SchedulingType schedulingType) const;
    void SetMaxDsaRspRetries(uint8_t maxDsaRspRetries);
 
    EventId GetDsaAckTimeoutEvent() const;
    void AllocateServiceFlows(const DsaReq& dsaReq, Cid cid);
    void AddMulticastServiceFlow(ServiceFlow sf, WimaxPhy::ModulationType modulation);
    void ProcessDsaAck(const DsaAck& dsaAck, Cid cid);
 
    ServiceFlow* ProcessDsaReq(const DsaReq& dsaReq, Cid cid);
 
  private:
    DsaRsp CreateDsaRsp(const ServiceFlow* serviceFlow, uint16_t transactionId);
    uint8_t GetMaxDsaRspRetries() const;
    void ScheduleDsaRsp(ServiceFlow* serviceFlow, Cid cid);
    Ptr<WimaxNetDevice> m_device; 
    uint32_t m_sfidIndex;         
    uint8_t m_maxDsaRspRetries;   
    EventId m_dsaAckTimeoutEvent; 
    Cid m_inuseScheduleDsaRspCid; 
};
 
} // namespace ns3
 
#endif /* BS_SERVICE_FLOW_MANAGER_H */