author | Tom Henderson <tomh@tomh.org> |
Fri, 25 Feb 2011 09:31:08 -0800 | |
changeset 6833 | 1bc4bc4f3568 |
parent 6291 | src/mpi/distributed-simulator-impl.cc@8b3cd8b4d560 |
child 7796 | 369bf20998e8 |
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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* 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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* Author: George Riley <riley@ece.gatech.edu> |
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*/ |
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#include "distributed-simulator-impl.h" |
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#include "mpi-interface.h" |
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#include "ns3/simulator.h" |
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#include "ns3/scheduler.h" |
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#include "ns3/event-impl.h" |
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#include "ns3/channel.h" |
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#include "ns3/node-container.h" |
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#include "ns3/ptr.h" |
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#include "ns3/pointer.h" |
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#include "ns3/assert.h" |
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#include "ns3/log.h" |
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#include <math.h> |
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#ifdef NS3_MPI |
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#include <mpi.h> |
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#endif |
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NS_LOG_COMPONENT_DEFINE ("DistributedSimulatorImpl"); |
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namespace ns3 { |
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NS_OBJECT_ENSURE_REGISTERED (DistributedSimulatorImpl); |
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LbtsMessage::~LbtsMessage () |
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{ |
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} |
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Time |
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LbtsMessage::GetSmallestTime () |
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{ |
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return m_smallestTime; |
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} |
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uint32_t |
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LbtsMessage::GetTxCount () |
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{ |
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return m_txCount; |
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} |
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uint32_t |
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LbtsMessage::GetRxCount () |
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{ |
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return m_rxCount; |
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} |
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uint32_t |
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LbtsMessage::GetMyId () |
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{ |
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return m_myId; |
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} |
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Time DistributedSimulatorImpl::m_lookAhead = Seconds (0); |
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TypeId |
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DistributedSimulatorImpl::GetTypeId (void) |
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{ |
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static TypeId tid = TypeId ("ns3::DistributedSimulatorImpl") |
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.SetParent<Object> () |
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.AddConstructor<DistributedSimulatorImpl> () |
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; |
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return tid; |
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} |
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DistributedSimulatorImpl::DistributedSimulatorImpl () |
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{ |
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#ifdef NS3_MPI |
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m_myId = MpiInterface::GetSystemId (); |
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m_systemCount = MpiInterface::GetSize (); |
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// Allocate the LBTS message buffer |
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m_pLBTS = new LbtsMessage[m_systemCount]; |
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m_grantedTime = Seconds (0); |
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#else |
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NS_FATAL_ERROR ("Can't use distributed simulator without MPI compiled in"); |
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#endif |
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m_stop = false; |
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// uids are allocated from 4. |
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// uid 0 is "invalid" events |
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// uid 1 is "now" events |
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// uid 2 is "destroy" events |
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m_uid = 4; |
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// before ::Run is entered, the m_currentUid will be zero |
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m_currentUid = 0; |
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m_currentTs = 0; |
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m_currentContext = 0xffffffff; |
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m_unscheduledEvents = 0; |
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m_events = 0; |
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} |
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DistributedSimulatorImpl::~DistributedSimulatorImpl () |
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{ |
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} |
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void |
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DistributedSimulatorImpl::DoDispose (void) |
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{ |
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while (!m_events->IsEmpty ()) |
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{ |
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Scheduler::Event next = m_events->RemoveNext (); |
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next.impl->Unref (); |
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} |
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m_events = 0; |
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delete [] m_pLBTS; |
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SimulatorImpl::DoDispose (); |
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} |
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void |
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DistributedSimulatorImpl::Destroy () |
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{ |
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while (!m_destroyEvents.empty ()) |
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{ |
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Ptr<EventImpl> ev = m_destroyEvents.front ().PeekEventImpl (); |
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m_destroyEvents.pop_front (); |
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NS_LOG_LOGIC ("handle destroy " << ev); |
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if (!ev->IsCancelled ()) |
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136 |
{ |
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ev->Invoke (); |
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138 |
} |
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139 |
} |
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140 |
|
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141 |
MpiInterface::Destroy (); |
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142 |
} |
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143 |
|
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144 |
|
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145 |
void |
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DistributedSimulatorImpl::CalculateLookAhead (void) |
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{ |
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#ifdef NS3_MPI |
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if (MpiInterface::GetSize () <= 1) |
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150 |
{ |
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DistributedSimulatorImpl::m_lookAhead = Seconds (0); |
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m_grantedTime = Seconds (0); |
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153 |
} |
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154 |
else |
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155 |
{ |
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NodeContainer c = NodeContainer::GetGlobal (); |
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for (NodeContainer::Iterator iter = c.Begin (); iter != c.End (); ++iter) |
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158 |
{ |
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if ((*iter)->GetSystemId () != MpiInterface::GetSystemId ()) |
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160 |
{ |
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continue; |
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162 |
} |
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163 |
|
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for (uint32_t i = 0; i < (*iter)->GetNDevices (); ++i) |
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165 |
{ |
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Ptr<NetDevice> localNetDevice = (*iter)->GetDevice (i); |
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// only works for p2p links currently |
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if (!localNetDevice->IsPointToPoint ()) |
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{ |
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continue; |
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171 |
} |
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Ptr<Channel> channel = localNetDevice->GetChannel (); |
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if (channel == 0) |
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174 |
{ |
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continue; |
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176 |
} |
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177 |
|
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// grab the adjacent node |
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Ptr<Node> remoteNode; |
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if (channel->GetDevice (0) == localNetDevice) |
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181 |
{ |
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remoteNode = (channel->GetDevice (1))->GetNode (); |
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183 |
} |
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184 |
else |
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185 |
{ |
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remoteNode = (channel->GetDevice (0))->GetNode (); |
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187 |
} |
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188 |
|
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// if it's not remote, don't consider it |
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if (remoteNode->GetSystemId () == MpiInterface::GetSystemId ()) |
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191 |
{ |
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192 |
continue; |
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193 |
} |
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194 |
|
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// compare delay on the channel with current value of |
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196 |
// m_lookAhead. if delay on channel is smaller, make |
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197 |
// it the new lookAhead. |
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198 |
TimeValue delay; |
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channel->GetAttribute ("Delay", delay); |
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200 |
if (DistributedSimulatorImpl::m_lookAhead.IsZero ()) |
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201 |
{ |
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202 |
DistributedSimulatorImpl::m_lookAhead = delay.Get (); |
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203 |
m_grantedTime = delay.Get (); |
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204 |
} |
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205 |
if (delay.Get ().GetSeconds () < DistributedSimulatorImpl::m_lookAhead.GetSeconds ()) |
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206 |
{ |
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207 |
DistributedSimulatorImpl::m_lookAhead = delay.Get (); |
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208 |
m_grantedTime = delay.Get (); |
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209 |
} |
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210 |
} |
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211 |
} |
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212 |
} |
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213 |
#else |
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214 |
NS_FATAL_ERROR ("Can't use distributed simulator without MPI compiled in"); |
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215 |
#endif |
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216 |
} |
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217 |
|
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218 |
void |
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219 |
DistributedSimulatorImpl::SetScheduler (ObjectFactory schedulerFactory) |
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220 |
{ |
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221 |
Ptr<Scheduler> scheduler = schedulerFactory.Create<Scheduler> (); |
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222 |
|
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223 |
if (m_events != 0) |
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224 |
{ |
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225 |
while (!m_events->IsEmpty ()) |
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226 |
{ |
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227 |
Scheduler::Event next = m_events->RemoveNext (); |
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228 |
scheduler->Insert (next); |
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229 |
} |
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230 |
} |
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231 |
m_events = scheduler; |
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232 |
} |
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233 |
|
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234 |
void |
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235 |
DistributedSimulatorImpl::ProcessOneEvent (void) |
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236 |
{ |
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237 |
Scheduler::Event next = m_events->RemoveNext (); |
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238 |
|
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239 |
NS_ASSERT (next.key.m_ts >= m_currentTs); |
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240 |
m_unscheduledEvents--; |
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241 |
|
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242 |
NS_LOG_LOGIC ("handle " << next.key.m_ts); |
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243 |
m_currentTs = next.key.m_ts; |
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244 |
m_currentContext = next.key.m_context; |
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245 |
m_currentUid = next.key.m_uid; |
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246 |
next.impl->Invoke (); |
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247 |
next.impl->Unref (); |
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248 |
} |
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249 |
|
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250 |
bool |
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251 |
DistributedSimulatorImpl::IsFinished (void) const |
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252 |
{ |
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253 |
return m_events->IsEmpty () || m_stop; |
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254 |
} |
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255 |
|
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256 |
uint64_t |
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257 |
DistributedSimulatorImpl::NextTs (void) const |
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258 |
{ |
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259 |
NS_ASSERT (!m_events->IsEmpty ()); |
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260 |
Scheduler::Event ev = m_events->PeekNext (); |
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261 |
return ev.key.m_ts; |
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262 |
} |
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|
263 |
|
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264 |
Time |
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265 |
DistributedSimulatorImpl::Next (void) const |
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266 |
{ |
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267 |
return TimeStep (NextTs ()); |
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268 |
} |
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269 |
|
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270 |
void |
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271 |
DistributedSimulatorImpl::Run (void) |
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272 |
{ |
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273 |
#ifdef NS3_MPI |
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274 |
CalculateLookAhead (); |
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m_stop = false; |
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while (!m_events->IsEmpty () && !m_stop) |
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{ |
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278 |
Time nextTime = Next (); |
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if (nextTime > m_grantedTime) |
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280 |
{ // Can't process, calculate a new LBTS |
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281 |
// First receive any pending messages |
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282 |
MpiInterface::ReceiveMessages (); |
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283 |
// reset next time |
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284 |
nextTime = Next (); |
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285 |
// And check for send completes |
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286 |
MpiInterface::TestSendComplete (); |
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287 |
// Finally calculate the lbts |
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LbtsMessage lMsg (MpiInterface::GetRxCount (), MpiInterface::GetTxCount (), m_myId, nextTime); |
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m_pLBTS[m_myId] = lMsg; |
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290 |
MPI_Allgather (&lMsg, sizeof (LbtsMessage), MPI_BYTE, m_pLBTS, |
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sizeof (LbtsMessage), MPI_BYTE, MPI_COMM_WORLD); |
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292 |
Time smallestTime = m_pLBTS[0].GetSmallestTime (); |
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293 |
// The totRx and totTx counts insure there are no transient |
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// messages; If totRx != totTx, there are transients, |
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// so we don't update the granted time. |
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uint32_t totRx = m_pLBTS[0].GetRxCount (); |
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uint32_t totTx = m_pLBTS[0].GetTxCount (); |
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298 |
|
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for (uint32_t i = 1; i < m_systemCount; ++i) |
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300 |
{ |
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if (m_pLBTS[i].GetSmallestTime () < smallestTime) |
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302 |
{ |
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smallestTime = m_pLBTS[i].GetSmallestTime (); |
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304 |
} |
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totRx += m_pLBTS[i].GetRxCount (); |
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totTx += m_pLBTS[i].GetTxCount (); |
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307 |
|
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308 |
} |
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if (totRx == totTx) |
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310 |
{ |
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m_grantedTime = smallestTime + DistributedSimulatorImpl::m_lookAhead; |
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312 |
} |
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313 |
} |
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if (nextTime <= m_grantedTime) |
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315 |
{ // Save to process |
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316 |
ProcessOneEvent (); |
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317 |
} |
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318 |
} |
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319 |
|
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320 |
// If the simulator stopped naturally by lack of events, make a |
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321 |
// consistency test to check that we didn't lose any events along the way. |
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322 |
NS_ASSERT (!m_events->IsEmpty () || m_unscheduledEvents == 0); |
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323 |
#else |
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324 |
NS_FATAL_ERROR ("Can't use distributed simulator without MPI compiled in"); |
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325 |
#endif |
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326 |
} |
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327 |
|
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328 |
uint32_t DistributedSimulatorImpl::GetSystemId () const |
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329 |
{ |
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330 |
return m_myId; |
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331 |
} |
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332 |
|
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333 |
void |
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334 |
DistributedSimulatorImpl::RunOneEvent (void) |
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335 |
{ |
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ProcessOneEvent (); |
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337 |
} |
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338 |
|
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339 |
void |
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340 |
DistributedSimulatorImpl::Stop (void) |
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341 |
{ |
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342 |
m_stop = true; |
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343 |
} |
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344 |
|
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345 |
void |
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346 |
DistributedSimulatorImpl::Stop (Time const &time) |
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347 |
{ |
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348 |
Simulator::Schedule (time, &Simulator::Stop); |
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349 |
} |
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350 |
|
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351 |
// |
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352 |
// Schedule an event for a _relative_ time in the future. |
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353 |
// |
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354 |
EventId |
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355 |
DistributedSimulatorImpl::Schedule (Time const &time, EventImpl *event) |
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356 |
{ |
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357 |
Time tAbsolute = time + TimeStep (m_currentTs); |
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358 |
|
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359 |
NS_ASSERT (tAbsolute.IsPositive ()); |
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360 |
NS_ASSERT (tAbsolute >= TimeStep (m_currentTs)); |
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361 |
Scheduler::Event ev; |
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362 |
ev.impl = event; |
6291
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363 |
ev.key.m_ts = static_cast<uint64_t> (tAbsolute.GetTimeStep ()); |
6113
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364 |
ev.key.m_context = GetContext (); |
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365 |
ev.key.m_uid = m_uid; |
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366 |
m_uid++; |
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367 |
m_unscheduledEvents++; |
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368 |
m_events->Insert (ev); |
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369 |
return EventId (event, ev.key.m_ts, ev.key.m_context, ev.key.m_uid); |
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370 |
} |
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|
371 |
|
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372 |
void |
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373 |
DistributedSimulatorImpl::ScheduleWithContext (uint32_t context, Time const &time, EventImpl *event) |
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374 |
{ |
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375 |
NS_LOG_FUNCTION (this << context << time.GetTimeStep () << m_currentTs << event); |
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376 |
|
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377 |
Scheduler::Event ev; |
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378 |
ev.impl = event; |
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|
379 |
ev.key.m_ts = m_currentTs + time.GetTimeStep (); |
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380 |
ev.key.m_context = context; |
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381 |
ev.key.m_uid = m_uid; |
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382 |
m_uid++; |
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383 |
m_unscheduledEvents++; |
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|
384 |
m_events->Insert (ev); |
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|
385 |
} |
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|
386 |
|
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387 |
EventId |
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388 |
DistributedSimulatorImpl::ScheduleNow (EventImpl *event) |
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|
389 |
{ |
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|
390 |
Scheduler::Event ev; |
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|
391 |
ev.impl = event; |
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|
392 |
ev.key.m_ts = m_currentTs; |
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|
393 |
ev.key.m_context = GetContext (); |
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|
394 |
ev.key.m_uid = m_uid; |
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|
395 |
m_uid++; |
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|
396 |
m_unscheduledEvents++; |
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|
397 |
m_events->Insert (ev); |
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398 |
return EventId (event, ev.key.m_ts, ev.key.m_context, ev.key.m_uid); |
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|
399 |
} |
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|
400 |
|
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|
401 |
EventId |
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|
402 |
DistributedSimulatorImpl::ScheduleDestroy (EventImpl *event) |
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|
403 |
{ |
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|
404 |
EventId id (Ptr<EventImpl> (event, false), m_currentTs, 0xffffffff, 2); |
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|
405 |
m_destroyEvents.push_back (id); |
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|
406 |
m_uid++; |
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|
407 |
return id; |
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|
408 |
} |
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Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
409 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
410 |
Time |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
411 |
DistributedSimulatorImpl::Now (void) const |
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Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
412 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
413 |
return TimeStep (m_currentTs); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
414 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
415 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
416 |
Time |
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Josh Pelkey <jpelkey@gatech.edu>
parents:
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changeset
|
417 |
DistributedSimulatorImpl::GetDelayLeft (const EventId &id) const |
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parents:
diff
changeset
|
418 |
{ |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
419 |
if (IsExpired (id)) |
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
420 |
{ |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
421 |
return TimeStep (0); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
422 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
423 |
else |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
424 |
{ |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
425 |
return TimeStep (id.GetTs () - m_currentTs); |
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
426 |
} |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
427 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
428 |
|
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
429 |
void |
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diff
changeset
|
430 |
DistributedSimulatorImpl::Remove (const EventId &id) |
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
431 |
{ |
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parents:
diff
changeset
|
432 |
if (id.GetUid () == 2) |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
433 |
{ |
0ce37bf4f1c1
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parents:
diff
changeset
|
434 |
// destroy events. |
0ce37bf4f1c1
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parents:
diff
changeset
|
435 |
for (DestroyEvents::iterator i = m_destroyEvents.begin (); i != m_destroyEvents.end (); i++) |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
436 |
{ |
0ce37bf4f1c1
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parents:
diff
changeset
|
437 |
if (*i == id) |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
438 |
{ |
0ce37bf4f1c1
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parents:
diff
changeset
|
439 |
m_destroyEvents.erase (i); |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
440 |
break; |
0ce37bf4f1c1
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parents:
diff
changeset
|
441 |
} |
0ce37bf4f1c1
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parents:
diff
changeset
|
442 |
} |
0ce37bf4f1c1
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parents:
diff
changeset
|
443 |
return; |
0ce37bf4f1c1
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parents:
diff
changeset
|
444 |
} |
0ce37bf4f1c1
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parents:
diff
changeset
|
445 |
if (IsExpired (id)) |
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
446 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
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parents:
diff
changeset
|
447 |
return; |
0ce37bf4f1c1
Merge distributed simulation code
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parents:
diff
changeset
|
448 |
} |
0ce37bf4f1c1
Merge distributed simulation code
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parents:
diff
changeset
|
449 |
Scheduler::Event event; |
0ce37bf4f1c1
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parents:
diff
changeset
|
450 |
event.impl = id.PeekEventImpl (); |
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Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
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diff
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|
451 |
event.key.m_ts = id.GetTs (); |
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Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
452 |
event.key.m_context = id.GetContext (); |
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Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
453 |
event.key.m_uid = id.GetUid (); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
454 |
m_events->Remove (event); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
455 |
event.impl->Cancel (); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
456 |
// whenever we remove an event from the event list, we have to unref it. |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
457 |
event.impl->Unref (); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
458 |
|
0ce37bf4f1c1
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Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
459 |
m_unscheduledEvents--; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
460 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
461 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
462 |
void |
0ce37bf4f1c1
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parents:
diff
changeset
|
463 |
DistributedSimulatorImpl::Cancel (const EventId &id) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
464 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
465 |
if (!IsExpired (id)) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
466 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
467 |
id.PeekEventImpl ()->Cancel (); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
468 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
469 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
470 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
471 |
bool |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
472 |
DistributedSimulatorImpl::IsExpired (const EventId &ev) const |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
473 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
474 |
if (ev.GetUid () == 2) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
475 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
476 |
if (ev.PeekEventImpl () == 0 |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
477 |
|| ev.PeekEventImpl ()->IsCancelled ()) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
478 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
479 |
return true; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
480 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
481 |
// destroy events. |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
482 |
for (DestroyEvents::const_iterator i = m_destroyEvents.begin (); i != m_destroyEvents.end (); i++) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
483 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
484 |
if (*i == ev) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
485 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
486 |
return false; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
487 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
488 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
489 |
return true; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
490 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
491 |
if (ev.PeekEventImpl () == 0 |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
492 |
|| ev.GetTs () < m_currentTs |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
493 |
|| (ev.GetTs () == m_currentTs |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
494 |
&& ev.GetUid () <= m_currentUid) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
495 |
|| ev.PeekEventImpl ()->IsCancelled ()) |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
496 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
497 |
return true; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
498 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
499 |
else |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
500 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
501 |
return false; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
502 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
503 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
504 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
505 |
Time |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
506 |
DistributedSimulatorImpl::GetMaximumSimulationTime (void) const |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
507 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
508 |
// XXX: I am fairly certain other compilers use other non-standard |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
509 |
// post-fixes to indicate 64 bit constants. |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
510 |
return TimeStep (0x7fffffffffffffffLL); |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
511 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
512 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
513 |
uint32_t |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
514 |
DistributedSimulatorImpl::GetContext (void) const |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
515 |
{ |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
516 |
return m_currentContext; |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
517 |
} |
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
518 |
|
0ce37bf4f1c1
Merge distributed simulation code
Josh Pelkey <jpelkey@gatech.edu>
parents:
diff
changeset
|
519 |
} // namespace ns3 |