fcfs-wifi-queue-scheduler.h

Go to the documentation of this file.

/*
 * Copyright (c) 2022 Universita' degli Studi di Napoli Federico II
 *
 * 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: Stefano Avallone <stavallo@unina.it>
 */
 
#ifndef FCFS_WIFI_QUEUE_SCHEDULER_H
#define FCFS_WIFI_QUEUE_SCHEDULER_H
 
#include "wifi-mac-queue-scheduler-impl.h"
 
#include "ns3/nstime.h"
 
namespace ns3
{
 
class WifiMpdu;
 
struct FcfsPrio
{
    Time priority;               
    WifiContainerQueueType type; 
};
 
bool operator==(const FcfsPrio& lhs, const FcfsPrio& rhs);
bool operator<(const FcfsPrio& lhs, const FcfsPrio& rhs);
 
class FcfsWifiQueueScheduler : public WifiMacQueueSchedulerImpl<FcfsPrio>
{
  public:
    static TypeId GetTypeId();
 
    FcfsWifiQueueScheduler();
 
    enum DropPolicy
    {
        DROP_NEWEST,
        DROP_OLDEST
    };
 
  private:
    Ptr<WifiMpdu> HasToDropBeforeEnqueuePriv(AcIndex ac, Ptr<WifiMpdu> mpdu) override;
    void DoNotifyEnqueue(AcIndex ac, Ptr<WifiMpdu> mpdu) override;
    void DoNotifyDequeue(AcIndex ac, const std::list<Ptr<WifiMpdu>>& mpdus) override;
    void DoNotifyRemove(AcIndex ac, const std::list<Ptr<WifiMpdu>>& mpdus) override;
 
    DropPolicy m_dropPolicy; 
    NS_LOG_TEMPLATE_DECLARE; 
};
 
} // namespace ns3
 
#endif /* FCFS_WIFI_QUEUE_SCHEDULER_H */