prio-queue-disc.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2017 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
 *
 * Authors:  Stefano Avallone <stavallo@unina.it>
 */

#ifndef PRIO_QUEUE_DISC_H
#define PRIO_QUEUE_DISC_H

#include "ns3/queue-disc.h"
#include <array>

namespace ns3 {

typedef std::array<uint16_t, 16> Priomap;

class PrioQueueDisc : public QueueDisc {
public:
  static TypeId GetTypeId (void);
  PrioQueueDisc ();

  virtual ~PrioQueueDisc();

  void SetBandForPriority (uint8_t prio, uint16_t band);

  uint16_t GetBandForPriority (uint8_t prio) const;

private:
  virtual bool DoEnqueue (Ptr<QueueDiscItem> item);
  virtual Ptr<QueueDiscItem> DoDequeue (void);
  virtual Ptr<const QueueDiscItem> DoPeek (void);
  virtual bool CheckConfig (void);
  virtual void InitializeParams (void);

  Priomap m_prio2band;    
};

std::ostream &operator << (std::ostream &os, const Priomap &priomap);

std::istream &operator >> (std::istream &is, Priomap &priomap);

ATTRIBUTE_HELPER_HEADER (Priomap);

} // namespace ns3

#endif /* PRIO_QUEUE_DISC_H */