199 lines
3.9 KiB
C++
199 lines
3.9 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/log.h"
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#include "ns3/trace-source-accessor.h"
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#include "queue.h"
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NS_LOG_COMPONENT_DEFINE ("Queue");
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namespace ns3 {
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NS_OBJECT_ENSURE_REGISTERED (Queue);
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TypeId
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Queue::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::Queue")
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.SetParent<Object> ()
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.AddTraceSource ("Enqueue", "XXX",
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MakeTraceSourceAccessor (&Queue::m_traceEnqueue))
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.AddTraceSource ("Dequeue", "XXX",
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MakeTraceSourceAccessor (&Queue::m_traceDequeue))
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.AddTraceSource ("Drop", "XXX",
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MakeTraceSourceAccessor (&Queue::m_traceDrop))
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;
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return tid;
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}
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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_LOG_FUNCTION;
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}
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Queue::~Queue()
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{
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NS_LOG_FUNCTION;
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}
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bool
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Queue::Enqueue (Ptr<Packet> p)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this << p);
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NS_LOG_LOGIC ("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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Ptr<Packet>
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Queue::Dequeue (void)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this);
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Ptr<Packet> packet = DoDequeue ();
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if (packet != 0)
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{
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m_nBytes -= packet->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_LOG_LOGIC("m_traceDequeue (packet)");
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m_traceDequeue (packet);
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}
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return packet;
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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_LOG_FUNCTION;
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NS_ASSERT_MSG (0, "Don't know what to do with dequeued packets!");
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}
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Ptr<Packet>
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Queue::Peek (void) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this);
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return DoPeek ();
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}
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uint32_t
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Queue::GetNPackets (void) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC ("returns " << 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) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC (" returns " << 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) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC ("returns " << (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) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC("returns " << 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) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC ("returns " << 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) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC ("returns " << m_nTotalDroppedBytes);
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return m_nTotalDroppedBytes;
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}
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uint32_t
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Queue::GetTotalDroppedPackets (void) const
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{
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NS_LOG_FUNCTION;
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NS_LOG_LOGIC("returns " << 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_LOG_FUNCTION;
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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 (Ptr<Packet> p)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this << p);
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m_nTotalDroppedPackets++;
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m_nTotalDroppedBytes += p->GetSize ();
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NS_LOG_LOGIC ("m_traceDrop (p)");
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m_traceDrop (p);
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}
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} // namespace ns3
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