186 lines
3.7 KiB
C++
186 lines
3.7 KiB
C++
/* -*- 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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#include "ns3/debug.h"
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#include "ns3/composite-trace-resolver.h"
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#include "queue.h"
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NS_DEBUG_COMPONENT_DEFINE ("Queue");
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namespace ns3 {
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Queue::Queue() :
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m_nBytes(0),
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m_nTotalReceivedBytes(0),
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m_nPackets(0),
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m_nTotalReceivedPackets(0),
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m_nTotalDroppedBytes(0),
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m_nTotalDroppedPackets(0)
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{
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NS_DEBUG("Queue::Queue ()");
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}
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Queue::~Queue()
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{
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NS_DEBUG("Queue::~Queue ()");
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}
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TraceResolver *
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Queue::CreateTraceResolver (TraceContext const &context)
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{
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CompositeTraceResolver *resolver = new CompositeTraceResolver (context);
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resolver->Add ("enqueue", m_traceEnqueue, Queue::ENQUEUE);
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resolver->Add ("dequeue", m_traceDequeue, Queue::DEQUEUE);
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resolver->Add ("drop", m_traceDrop, Queue::DROP);
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return resolver;
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}
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bool
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Queue::Enqueue (const Packet& p)
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{
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NS_DEBUG("Queue::Enqueue (" << &p << ")");
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NS_DEBUG("Queue::Enqueue (): m_traceEnqueue (p)");
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m_traceEnqueue (p);
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bool retval = DoEnqueue (p);
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if (retval)
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{
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m_nBytes += p.GetSize ();
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m_nPackets++;
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}
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return retval;
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}
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bool
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Queue::Dequeue (Packet &p)
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{
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NS_DEBUG("Queue::Dequeue (" << &p << ")");
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bool retval = DoDequeue (p);
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if (retval)
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{
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m_nBytes -= p.GetSize ();
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m_nPackets--;
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NS_ASSERT (m_nBytes >= 0);
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NS_ASSERT (m_nPackets >= 0);
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NS_DEBUG("Queue::Dequeue (): m_traceDequeue (p)");
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const Packet packet = p;
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m_traceDequeue (packet);
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}
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return retval;
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}
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void
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Queue::DequeueAll (void)
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{
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NS_DEBUG("Queue::DequeueAll ()");
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NS_ASSERT (!"Don't know what to do with dequeued packets!");
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}
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uint32_t
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Queue::GetNPackets (void)
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{
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NS_DEBUG("Queue::GetNPackets () <= " << m_nPackets);
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return m_nPackets;
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}
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uint32_t
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Queue::GetNBytes (void)
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{
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NS_DEBUG("Queue::GetNBytes () <= " << m_nBytes);
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return m_nBytes;
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}
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bool
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Queue::IsEmpty (void)
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{
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NS_DEBUG("Queue::IsEmpty () <= " << (m_nPackets == 0));
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return m_nPackets == 0;
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}
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uint32_t
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Queue::GetTotalReceivedBytes (void)
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{
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NS_DEBUG("Queue::GetTotalReceivedBytes () <= " << m_nTotalReceivedBytes);
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return m_nTotalReceivedBytes;
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}
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uint32_t
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Queue::GetTotalReceivedPackets (void)
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{
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NS_DEBUG("Queue::GetTotalReceivedPackets () <= " << m_nTotalReceivedPackets);
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return m_nTotalReceivedPackets;
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}
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uint32_t
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Queue:: GetTotalDroppedBytes (void)
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{
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NS_DEBUG(
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"Queue::GetTotalDroppedBytes () <= " << m_nTotalDroppedBytes
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);
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return m_nTotalDroppedBytes;
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}
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uint32_t
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Queue::GetTotalDroppedPackets (void)
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{
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NS_DEBUG(
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"Queue::GetTotalDroppedPackets () <= " << m_nTotalDroppedPackets);
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return m_nTotalDroppedPackets;
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}
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void
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Queue::ResetStatistics (void)
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{
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NS_DEBUG("Queue::ResetStatistics ()");
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m_nTotalReceivedBytes = 0;
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m_nTotalReceivedPackets = 0;
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m_nTotalDroppedBytes = 0;
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m_nTotalDroppedPackets = 0;
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}
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void
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Queue::Drop (const Packet& p)
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{
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NS_DEBUG("Queue::Drop (" << &p << ")");
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m_nTotalDroppedPackets++;
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m_nTotalDroppedBytes += p.GetSize ();
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NS_DEBUG("Queue::Drop (): m_traceDrop (p)");
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m_traceDrop (p);
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}
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}; // namespace ns3
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