bandwidth-manager.h

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/*
 * Copyright (c) 2007,2008,2009 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
 *
 * Authors: Jahanzeb Farooq <jahanzeb.farooq@sophia.inria.fr>
 *          Mohamed Amine Ismail <amine.ismail@sophia.inria.fr>
 *                               <amine.ismail@UDcast.com>
 */
 
#ifndef BANDWIDTH_MANAGER_H
#define BANDWIDTH_MANAGER_H
 
#include "bs-uplink-scheduler.h"
#include "cid.h"
#include "ul-job.h"
#include "wimax-net-device.h"
 
#include <stdint.h>
 
/*
 The same bandwidth manager class serves both for BS and SS though some functions are exclusive to
 only one of them.
 */
 
namespace ns3
{
 
class SSRecord;
class ServiceFlow;
class UlJob;
class UplinkScheduler;
 
class BandwidthManager : public Object
{
  public:
    static TypeId GetTypeId();
    BandwidthManager(Ptr<WimaxNetDevice> device);
    ~BandwidthManager() override;
 
    // Delete copy constructor and assignment operator to avoid misuse
    BandwidthManager(const BandwidthManager&) = delete;
    BandwidthManager& operator=(const BandwidthManager&) = delete;
 
    void DoDispose() override;
 
    uint32_t CalculateAllocationSize(const SSRecord* ssRecord, const ServiceFlow* serviceFlow);
    ServiceFlow* SelectFlowForRequest(uint32_t& bytesToRequest);
    void SendBandwidthRequest(uint8_t uiuc, uint16_t allocationSize);
    void ProcessBandwidthRequest(const BandwidthRequestHeader& bwRequestHdr);
    void SetSubframeRatio();
    uint32_t GetSymbolsPerFrameAllocated();
 
  private:
    Ptr<WimaxNetDevice> m_device; 
    uint16_t m_nrBwReqsSent;      
};
 
} // namespace ns3
 
#endif /* BANDWIDTH_MANAGER_H */