/usr/include/ns3/drop-tail-queue.h is in libns3-dev 3.13+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 University of Washington
*
* 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
*/
#ifndef DROPTAIL_H
#define DROPTAIL_H
#include <queue>
#include "ns3/packet.h"
#include "ns3/queue.h"
namespace ns3 {
class TraceContainer;
/**
* \ingroup queue
*
* \brief A FIFO packet queue that drops tail-end packets on overflow
*/
class DropTailQueue : public Queue {
public:
static TypeId GetTypeId (void);
/**
* \brief DropTailQueue Constructor
*
* Creates a droptail queue with a maximum size of 100 packets by default
*/
DropTailQueue ();
virtual ~DropTailQueue();
/**
* Enumeration of the modes supported in the class.
*
*/
enum Mode {
ILLEGAL, /**< Mode not set */
PACKETS, /**< Use number of packets for maximum queue size */
BYTES, /**< Use number of bytes for maximum queue size */
};
/**
* Set the operating mode of this device.
*
* \param mode The operating mode of this device.
*
*/
void SetMode (DropTailQueue::Mode mode);
/**
* Get the encapsulation mode of this device.
*
* \returns The encapsulation mode of this device.
*/
DropTailQueue::Mode GetMode (void);
private:
virtual bool DoEnqueue (Ptr<Packet> p);
virtual Ptr<Packet> DoDequeue (void);
virtual Ptr<const Packet> DoPeek (void) const;
std::queue<Ptr<Packet> > m_packets;
uint32_t m_maxPackets;
uint32_t m_maxBytes;
uint32_t m_bytesInQueue;
Mode m_mode;
};
} // namespace ns3
#endif /* DROPTAIL_H */
|