author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Mon, 01 Oct 2007 14:15:56 +0200 | |
changeset 1866 | e7dbcc4df546 |
parent 1308 | 5c5937a4150d |
child 1870 | 67b3d2dea3d5 |
permissions | -rw-r--r-- |
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
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/* |
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* Copyright (c) 2007 University of Washington |
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* All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation; |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#ifndef DROPTAIL_H |
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#define DROPTAIL_H |
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|
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#include <queue> |
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#include "ns3/packet.h" |
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#include "ns3/queue.h" |
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#include "ns3/component-manager.h" |
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namespace ns3 { |
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class TraceContainer; |
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const int DTQ_NPACKETS_MAX_DEFAULT = 100; |
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/** |
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* \brief A FIFO packet queue that drops tail-end packets on overflow |
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*/ |
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class DropTailQueue : public Queue { |
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public: |
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static const ClassId cid; |
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/** |
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* \brief DropTailQueue Constructor |
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* |
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* Creates a droptail queue with a maximum size of 100 packets by default |
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*/ |
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DropTailQueue (); |
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virtual ~DropTailQueue(); |
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/** |
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* \param npackets The maximum number of packets this queue will hold before |
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* dropping packets. |
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*/ |
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void SetMaxPackets (uint32_t npackets); |
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/** |
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* \return The maximum number of packets this queue will hold before dropping |
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* packets. |
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*/ |
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uint32_t GetMaxPackets (void); |
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private: |
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virtual bool DoEnqueue (Ptr<Packet> p); |
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virtual Ptr<Packet> DoDequeue (void); |
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virtual Ptr<Packet> DoPeek (void); |
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private: |
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std::queue<Ptr<Packet> > m_packets; |
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uint32_t m_maxPackets; |
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}; |
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}; // namespace ns3 |
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#endif /* DROPTAIL_H */ |