ss-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 SS_SERVICE_FLOW_MANAGER_H
#define SS_SERVICE_FLOW_MANAGER_H
 
#include "mac-messages.h"
#include "service-flow-manager.h"
#include "ss-net-device.h"
 
#include "ns3/buffer.h"
#include "ns3/event-id.h"
 
#include <stdint.h>
 
namespace ns3
{
 
class Packet;
class ServiceFlow;
class WimaxNetDevice;
class WimaxConnection;
class SubscriberStationNetDevice;
 
class SsServiceFlowManager : public ServiceFlowManager
{
  public:
    enum ConfirmationCode // as per Table 384 (not all codes implemented)
    {
        CONFIRMATION_CODE_SUCCESS,
        CONFIRMATION_CODE_REJECT
    };
 
    SsServiceFlowManager(Ptr<SubscriberStationNetDevice> device);
    ~SsServiceFlowManager() override;
    void DoDispose() override;
 
    static TypeId GetTypeId();
 
    void AddServiceFlow(ServiceFlow* serviceFlow);
    void AddServiceFlow(ServiceFlow serviceFlow);
    void SetMaxDsaReqRetries(uint8_t maxDsaReqRetries);
    uint8_t GetMaxDsaReqRetries() const;
 
    EventId GetDsaRspTimeoutEvent() const;
    EventId GetDsaAckTimeoutEvent() const;
 
    void InitiateServiceFlows();
 
    DsaReq CreateDsaReq(const ServiceFlow* serviceFlow);
 
    Ptr<Packet> CreateDsaAck();
 
    void ScheduleDsaReq(const ServiceFlow* serviceFlow);
 
    void ProcessDsaRsp(const DsaRsp& dsaRsp);
 
  private:
    Ptr<SubscriberStationNetDevice> m_device; 
 
    uint8_t m_maxDsaReqRetries; 
 
    EventId m_dsaRspTimeoutEvent; 
    EventId m_dsaAckTimeoutEvent; 
 
    DsaReq m_dsaReq; 
    DsaAck m_dsaAck; 
 
    uint16_t m_currentTransactionId; 
    uint16_t m_transactionIdIndex;   
    uint8_t m_dsaReqRetries;         
 
    // pointer to the service flow currently being configured
    ServiceFlow* m_pendingServiceFlow; 
};
 
} // namespace ns3
 
#endif /* SS_SERVICE_FLOW_MANAGER_H */