bs-uplink-scheduler.h

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/*
 * Copyright (c) 2007,2008 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
 *
 * Author: Jahanzeb Farooq <jahanzeb.farooq@sophia.inria.fr>
 */
 
#ifndef UPLINK_SCHEDULER_H
#define UPLINK_SCHEDULER_H
 
#include "service-flow-record.h"
#include "service-flow.h"
#include "ul-mac-messages.h"
#include "wimax-phy.h"
 
#include "ns3/nstime.h"
 
#include <stdint.h>
 
namespace ns3
{
 
class BaseStationNetDevice;
class SSRecord;
class ServiceFlow;
class ServiceFlowRecord;
 
class UplinkScheduler : public Object
{
  public:
    UplinkScheduler();
    UplinkScheduler(Ptr<BaseStationNetDevice> bs);
    ~UplinkScheduler() override;
 
    static TypeId GetTypeId();
 
    virtual uint8_t GetNrIrOppsAllocated() const;
    virtual void SetNrIrOppsAllocated(uint8_t nrIrOppsAllocated);
 
    virtual bool GetIsIrIntrvlAllocated() const;
    virtual void SetIsIrIntrvlAllocated(bool isIrIntrvlAllocated);
 
    virtual bool GetIsInvIrIntrvlAllocated() const;
    virtual void SetIsInvIrIntrvlAllocated(bool isInvIrIntrvlAllocated);
 
    virtual std::list<OfdmUlMapIe> GetUplinkAllocations() const;
 
    virtual Time GetTimeStampIrInterval();
    virtual void SetTimeStampIrInterval(Time timeStampIrInterval);
 
    virtual Time GetDcdTimeStamp() const;
    virtual void SetDcdTimeStamp(Time dcdTimeStamp);
 
    virtual Time GetUcdTimeStamp() const;
    virtual void SetUcdTimeStamp(Time ucdTimeStamp);
 
    virtual Ptr<BaseStationNetDevice> GetBs();
    virtual void SetBs(Ptr<BaseStationNetDevice> bs);
    virtual void GetChannelDescriptorsToUpdate(bool&, bool&, bool&, bool&) = 0;
    virtual uint32_t CalculateAllocationStartTime() = 0;
    virtual void AddUplinkAllocation(OfdmUlMapIe& ulMapIe,
                                     const uint32_t& allocationSize,
                                     uint32_t& symbolsToAllocation,
                                     uint32_t& availableSymbols) = 0;
    virtual void Schedule() = 0;
    virtual void ServiceUnsolicitedGrants(const SSRecord* ssRecord,
                                          ServiceFlow::SchedulingType schedulingType,
                                          OfdmUlMapIe& ulMapIe,
                                          const WimaxPhy::ModulationType modulationType,
                                          uint32_t& symbolsToAllocation,
                                          uint32_t& availableSymbols) = 0;
    virtual void ServiceBandwidthRequests(const SSRecord* ssRecord,
                                          ServiceFlow::SchedulingType schedulingType,
                                          OfdmUlMapIe& ulMapIe,
                                          const WimaxPhy::ModulationType modulationType,
                                          uint32_t& symbolsToAllocation,
                                          uint32_t& availableSymbols) = 0;
    virtual bool ServiceBandwidthRequests(ServiceFlow* serviceFlow,
                                          ServiceFlow::SchedulingType schedulingType,
                                          OfdmUlMapIe& ulMapIe,
                                          const WimaxPhy::ModulationType modulationType,
                                          uint32_t& symbolsToAllocation,
                                          uint32_t& availableSymbols) = 0;
    virtual void AllocateInitialRangingInterval(uint32_t& symbolsToAllocation,
                                                uint32_t& availableSymbols) = 0;
    virtual void SetupServiceFlow(SSRecord* ssRecord, ServiceFlow* serviceFlow) = 0;
    virtual void ProcessBandwidthRequest(const BandwidthRequestHeader& bwRequestHdr) = 0;
 
    virtual void InitOnce() = 0;
 
    virtual void OnSetRequestedBandwidth(ServiceFlowRecord* sfr) = 0;
 
  private:
    Ptr<BaseStationNetDevice> m_bs;             
    std::list<OfdmUlMapIe> m_uplinkAllocations; 
    Time m_timeStampIrInterval;                 
    uint8_t m_nrIrOppsAllocated;                
    bool m_isIrIntrvlAllocated;                 
    bool m_isInvIrIntrvlAllocated;              
    Time m_dcdTimeStamp;                        
    Time m_ucdTimeStamp;                        
};
 
} // namespace ns3
 
#endif /* UPLINK_SCHEDULER_H */