/usr/include/ns3.27/ns3/drop-tail-queue.h is in libns3-dev 3.27+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 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | /* -*- 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 "ns3/queue.h"
namespace ns3 {
/**
* \ingroup queue
*
* \brief A FIFO packet queue that drops tail-end packets on overflow
*/
template <typename Item>
class DropTailQueue : public Queue<Item>
{
public:
/**
* \brief Get the type ID.
* \return the object TypeId
*/
static TypeId GetTypeId (void);
/**
* \brief DropTailQueue Constructor
*
* Creates a droptail queue with a maximum size of 100 packets by default
*/
DropTailQueue ();
virtual ~DropTailQueue ();
virtual bool Enqueue (Ptr<Item> item);
virtual Ptr<Item> Dequeue (void);
virtual Ptr<Item> Remove (void);
virtual Ptr<const Item> Peek (void) const;
private:
using Queue<Item>::Head;
using Queue<Item>::Tail;
using Queue<Item>::DoEnqueue;
using Queue<Item>::DoDequeue;
using Queue<Item>::DoRemove;
using Queue<Item>::DoPeek;
NS_LOG_TEMPLATE_DECLARE; //!< redefinition of the log component
};
/**
* Implementation of the templates declared above.
*/
template <typename Item>
TypeId
DropTailQueue<Item>::GetTypeId (void)
{
static TypeId tid = TypeId (("ns3::DropTailQueue<" + GetTypeParamName<DropTailQueue<Item> > () + ">").c_str ())
.SetParent<Queue<Item> > ()
.SetGroupName ("Network")
.template AddConstructor<DropTailQueue<Item> > ()
;
return tid;
}
template <typename Item>
DropTailQueue<Item>::DropTailQueue () :
Queue<Item> (),
NS_LOG_TEMPLATE_DEFINE ("DropTailQueue")
{
NS_LOG_FUNCTION (this);
}
template <typename Item>
DropTailQueue<Item>::~DropTailQueue ()
{
NS_LOG_FUNCTION (this);
}
template <typename Item>
bool
DropTailQueue<Item>::Enqueue (Ptr<Item> item)
{
NS_LOG_FUNCTION (this << item);
return DoEnqueue (Tail (), item);
}
template <typename Item>
Ptr<Item>
DropTailQueue<Item>::Dequeue (void)
{
NS_LOG_FUNCTION (this);
Ptr<Item> item = DoDequeue (Head ());
NS_LOG_LOGIC ("Popped " << item);
return item;
}
template <typename Item>
Ptr<Item>
DropTailQueue<Item>::Remove (void)
{
NS_LOG_FUNCTION (this);
Ptr<Item> item = DoRemove (Head ());
NS_LOG_LOGIC ("Removed " << item);
return item;
}
template <typename Item>
Ptr<const Item>
DropTailQueue<Item>::Peek (void) const
{
NS_LOG_FUNCTION (this);
return DoPeek (Head ());
}
} // namespace ns3
#endif /* DROPTAIL_H */
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