author | Tom Henderson <tomh@tomh.org> |
Sun, 25 Mar 2007 17:47:59 -0700 | |
changeset 375 | de64c081a2e0 |
parent 345 | 47b41507a45a |
child 378 | 32bd402ea5ea |
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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#include "ns3/debug.h" |
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#include "drop-tail.h" |
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NS_DEBUG_COMPONENT_DEFINE ("DropTailQueue"); |
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namespace ns3 { |
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static class QueueStackInitializationClass { |
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public: |
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QueueStackInitializationClass () { |
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Queue::Default (DropTailQueue ()); |
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} |
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} queue_stack_initialization_class; |
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DropTailQueue::DropTailQueue () : |
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Queue (), |
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m_packets (), |
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m_maxPackets(DTQ_NPACKETS_MAX_DEFAULT) |
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{ |
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NS_DEBUG("DropTailQueue::DropTailQueue ()"); |
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} |
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DropTailQueue::~DropTailQueue () |
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{ |
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NS_DEBUG("DropTailQueue::~DropTailQueue ()"); |
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} |
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DropTailQueue* DropTailQueue::Copy() const |
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{ |
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return new DropTailQueue(*this); |
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} |
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void |
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DropTailQueue::SetMaxPackets (uint32_t npackets) |
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{ |
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NS_DEBUG("DropTailQueue::SetMaxPackets (" << npackets << ")"); |
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m_maxPackets = npackets; |
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} |
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uint32_t |
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DropTailQueue::GetMaxPackets (void) |
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{ |
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NS_DEBUG("DropTailQueue::GetMaxPackets () <= " << m_maxPackets); |
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return m_maxPackets; |
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} |
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bool |
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DropTailQueue::DoEnqueue (const Packet& p) |
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{ |
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NS_DEBUG("DropTailQueue::DoEnqueue (" << &p << ")"); |
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if (m_packets.size () >= m_maxPackets) |
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{ |
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NS_DEBUG("DropTailQueue::DoEnqueue (): Queue full -- droppping pkt"); |
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Drop (p); |
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return false; |
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} |
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m_packets.push(p); |
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return true; |
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} |
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bool |
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DropTailQueue::DoDequeue (Packet& p) |
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{ |
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NS_DEBUG("DropTailQueue::DoDequeue (" << &p << ")"); |
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if (m_packets.empty()) |
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{ |
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NS_DEBUG("DropTailQueue::DoDequeue (): Queue empty"); |
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return false; |
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} |
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p = m_packets.front (); |
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m_packets.pop (); |
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NS_DEBUG("DropTailQueue::DoDequeue (): Popped " << &p << " <= true"); |
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return true; |
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} |
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}; // namespace ns3 |