author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Tue, 28 Aug 2007 15:59:49 +0200 | |
changeset 1386 | f2ee41c3e788 |
parent 1383 | 12f30b7defb4 |
child 1401 | 96a21130865c |
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 Emmanuelle Laprise |
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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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* Author: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca> |
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*/ |
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|
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#include <iostream> |
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#include <cassert> |
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#include "ns3/debug.h" |
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#include "ns3/queue.h" |
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#include "ns3/simulator.h" |
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#include "ns3/composite-trace-resolver.h" |
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#include "csma-net-device.h" |
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#include "csma-channel.h" |
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#include "ns3/ethernet-header.h" |
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#include "ns3/ethernet-trailer.h" |
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#include "ns3/llc-snap-header.h" |
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NS_DEBUG_COMPONENT_DEFINE ("CsmaNetDevice"); |
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namespace ns3 { |
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CsmaTraceType::CsmaTraceType (enum Type type) |
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: m_type (type) |
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{} |
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CsmaTraceType::CsmaTraceType () |
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: m_type (RX) |
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{} |
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void |
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CsmaTraceType::Print (std::ostream &os) const |
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{ |
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switch (m_type) { |
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case RX: |
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os << "dev-rx"; |
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break; |
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case DROP: |
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os << "dev-drop"; |
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break; |
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} |
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} |
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uint16_t |
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CsmaTraceType::GetUid (void) |
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{ |
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static uint16_t uid = AllocateUid<CsmaTraceType> ("CsmaTraceType"); |
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return uid; |
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} |
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std::string |
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CsmaTraceType::GetName (void) const |
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{ |
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return "CsmaTraceType"; |
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} |
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CsmaNetDevice::CsmaNetDevice (Ptr<Node> node) |
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: NetDevice (node, Eui48Address::Allocate ()), |
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m_bps (DataRate (0xffffffff)) |
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{ |
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NS_DEBUG ("CsmaNetDevice::CsmaNetDevice (" << node << ")"); |
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m_encapMode = IP_ARP; |
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Init(true, true); |
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} |
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CsmaNetDevice::CsmaNetDevice (Ptr<Node> node, Eui48Address addr, |
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CsmaEncapsulationMode encapMode) |
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: NetDevice(node, addr), |
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m_bps (DataRate (0xffffffff)) |
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{ |
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NS_DEBUG ("CsmaNetDevice::CsmaNetDevice (" << node << ")"); |
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m_encapMode = encapMode; |
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Init(true, true); |
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} |
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CsmaNetDevice::CsmaNetDevice (Ptr<Node> node, Eui48Address addr, |
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CsmaEncapsulationMode encapMode, |
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bool sendEnable, bool receiveEnable) |
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: NetDevice(node, addr), |
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m_bps (DataRate (0xffffffff)) |
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{ |
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NS_DEBUG ("CsmaNetDevice::CsmaNetDevice (" << node << ")"); |
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m_encapMode = encapMode; |
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Init(sendEnable, receiveEnable); |
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} |
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CsmaNetDevice::~CsmaNetDevice() |
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{ |
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NS_DEBUG ("CsmaNetDevice::~CsmaNetDevice ()"); |
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m_queue = 0; |
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} |
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void |
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CsmaNetDevice::DoDispose () |
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{ |
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m_channel = 0; |
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NetDevice::DoDispose (); |
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112 |
} |
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113 |
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// |
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// Assignment operator for CsmaNetDevice. |
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// |
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// This uses the non-obvious trick of taking the source net device passed by |
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// value instead of by reference. This causes the copy constructor to be |
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// invoked (where the real work is done -- see above). All we have to do |
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// here is to return the newly constructed net device. |
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// |
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/* |
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CsmaNetDevice& |
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CsmaNetDevice::operator= (const CsmaNetDevice nd) |
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{ |
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NS_DEBUG ("CsmaNetDevice::operator= (" << &nd << ")"); |
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return *this; |
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128 |
} |
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*/ |
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130 |
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131 |
void |
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CsmaNetDevice::Init(bool sendEnable, bool receiveEnable) |
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{ |
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m_txMachineState = READY; |
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m_tInterframeGap = Seconds(0); |
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m_channel = 0; |
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m_queue = 0; |
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138 |
|
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EnableBroadcast (Eui48Address ("ff:ff:ff:ff:ff:ff")); |
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EnableMulticast(); |
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141 |
|
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142 |
SetSendEnable (sendEnable); |
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143 |
SetReceiveEnable (receiveEnable); |
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144 |
} |
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145 |
|
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146 |
void |
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CsmaNetDevice::SetSendEnable (bool sendEnable) |
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148 |
{ |
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149 |
m_sendEnable = sendEnable; |
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150 |
} |
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151 |
|
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152 |
void |
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CsmaNetDevice::SetReceiveEnable (bool receiveEnable) |
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154 |
{ |
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155 |
m_receiveEnable = receiveEnable; |
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156 |
} |
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157 |
bool |
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158 |
CsmaNetDevice::IsSendEnabled (void) |
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159 |
{ |
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160 |
return (m_sendEnable); |
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161 |
} |
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162 |
|
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163 |
bool |
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164 |
CsmaNetDevice::IsReceiveEnabled (void) |
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165 |
{ |
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166 |
return (m_receiveEnable); |
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167 |
} |
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168 |
|
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169 |
void |
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170 |
CsmaNetDevice::SetDataRate (DataRate bps) |
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171 |
{ |
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172 |
m_bps = bps; |
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173 |
} |
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174 |
|
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175 |
void |
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176 |
CsmaNetDevice::SetInterframeGap (Time t) |
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177 |
{ |
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178 |
m_tInterframeGap = t; |
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179 |
} |
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180 |
|
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181 |
void |
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182 |
CsmaNetDevice::SetBackoffParams (Time slotTime, uint32_t minSlots, |
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183 |
uint32_t maxSlots, uint32_t ceiling, |
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184 |
uint32_t maxRetries) |
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185 |
{ |
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186 |
m_backoff.m_slotTime = slotTime; |
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187 |
m_backoff.m_minSlots = minSlots; |
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188 |
m_backoff.m_maxSlots = maxSlots; |
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189 |
m_backoff.m_ceiling = ceiling; |
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190 |
m_backoff.m_maxRetries = maxRetries; |
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191 |
} |
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192 |
void |
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193 |
CsmaNetDevice::AddHeader (Packet& p, Eui48Address dest, |
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194 |
uint16_t protocolNumber) |
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195 |
{ |
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196 |
if (m_encapMode == RAW) |
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197 |
{ |
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198 |
return; |
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199 |
} |
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200 |
EthernetHeader header (false); |
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201 |
EthernetTrailer trailer; |
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202 |
Eui48Address source = Eui48Address::ConvertFrom (GetAddress ()); |
1167 | 203 |
header.SetSource(source); |
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204 |
header.SetDestination(dest); |
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205 |
|
1001
33cf9c56e3cd
Fix lengthType initialization for optimized build
Tom Henderson <tomh@tomh.org>
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|
206 |
uint16_t lengthType = 0; |
995
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207 |
switch (m_encapMode) |
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208 |
{ |
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209 |
case ETHERNET_V1: |
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210 |
lengthType = p.GetSize() + header.GetSerializedSize() + trailer.GetSerializedSize(); |
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211 |
break; |
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212 |
case IP_ARP: |
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213 |
lengthType = protocolNumber; |
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214 |
break; |
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215 |
case LLC: { |
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216 |
LlcSnapHeader llc; |
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217 |
llc.SetType (protocolNumber); |
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218 |
p.AddHeader (llc); |
995
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219 |
} break; |
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220 |
case RAW: |
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221 |
NS_ASSERT (false); |
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222 |
break; |
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223 |
} |
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224 |
header.SetLengthType (lengthType); |
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225 |
p.AddHeader(header); |
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226 |
trailer.CalcFcs(p); |
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p.AddTrailer(trailer); |
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228 |
} |
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229 |
bool |
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CsmaNetDevice::ProcessHeader (Packet& p, uint16_t & param) |
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{ |
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232 |
if (m_encapMode == RAW) |
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{ |
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234 |
return true; |
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235 |
} |
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236 |
EthernetHeader header (false); |
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237 |
EthernetTrailer trailer; |
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238 |
|
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239 |
p.RemoveTrailer(trailer); |
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240 |
trailer.CheckFcs(p); |
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241 |
p.RemoveHeader(header); |
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242 |
|
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243 |
if ((header.GetDestination() != GetBroadcast ()) && |
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(header.GetDestination() != GetAddress ())) |
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245 |
{ |
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246 |
return false; |
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247 |
} |
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248 |
|
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249 |
switch (m_encapMode) |
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250 |
{ |
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251 |
case ETHERNET_V1: |
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252 |
case IP_ARP: |
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253 |
param = header.GetLengthType(); |
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254 |
break; |
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255 |
case LLC: { |
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256 |
LlcSnapHeader llc; |
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|
257 |
p.RemoveHeader (llc); |
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|
258 |
param = llc.GetType (); |
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259 |
} break; |
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260 |
case RAW: |
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261 |
NS_ASSERT (false); |
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262 |
break; |
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263 |
} |
995
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|
264 |
return true; |
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265 |
} |
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266 |
|
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267 |
bool |
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268 |
CsmaNetDevice::DoNeedsArp (void) const |
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269 |
{ |
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|
270 |
if ((m_encapMode == IP_ARP) || (m_encapMode == LLC)) |
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271 |
{ |
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272 |
return true; |
997
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273 |
} |
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274 |
else |
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275 |
{ |
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|
276 |
return false; |
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|
277 |
} |
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|
278 |
} |
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|
279 |
|
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280 |
bool |
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|
281 |
CsmaNetDevice::SendTo ( |
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282 |
const Packet& packet, |
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|
283 |
const Address& dest, |
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|
284 |
uint16_t protocolNumber) |
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|
285 |
{ |
1266
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parents:
1192
diff
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|
286 |
Packet p = packet; |
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|
287 |
NS_DEBUG ("CsmaNetDevice::SendTo (" << &p << ")"); |
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|
288 |
NS_DEBUG ("CsmaNetDevice::SendTo (): UID is " << p.GetUid () << ")"); |
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|
289 |
|
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|
290 |
NS_ASSERT (IsLinkUp ()); |
09bf4e458015
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parents:
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changeset
|
291 |
|
09bf4e458015
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|
292 |
// Only transmit if send side of net device is enabled |
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parents:
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|
293 |
if (!IsSendEnabled()) |
09bf4e458015
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|
294 |
return false; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
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parents:
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changeset
|
295 |
|
1207
a9f3610bbffa
remove implicit conversion from Address to Eui48Address, to Ipv4Address and to InetSocketAddress
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1205
diff
changeset
|
296 |
Eui48Address destination = Eui48Address::ConvertFrom (dest); |
a9f3610bbffa
remove implicit conversion from Address to Eui48Address, to Ipv4Address and to InetSocketAddress
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1205
diff
changeset
|
297 |
AddHeader(p, destination, protocolNumber); |
977
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changeset
|
298 |
|
09bf4e458015
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|
299 |
// Place the packet to be sent on the send queue |
997
d95ffcec6523
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diff
changeset
|
300 |
if (m_queue->Enqueue(p) == false ) |
d95ffcec6523
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diff
changeset
|
301 |
{ |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
302 |
return false; |
d95ffcec6523
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
303 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
304 |
// If the device is idle, we need to start a transmission. Otherwise, |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
305 |
// the transmission will be started when the current packet finished |
d95ffcec6523
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff
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|
306 |
// transmission (see TransmitCompleteEvent) |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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diff
changeset
|
307 |
if (m_txMachineState == READY) |
d95ffcec6523
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
308 |
{ |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
309 |
// Store the next packet to be transmitted |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
310 |
if (m_queue->Dequeue (m_currentPkt)) |
d95ffcec6523
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
311 |
{ |
d95ffcec6523
fix indent, basic coding style issues
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parents:
995
diff
changeset
|
312 |
TransmitStart(); |
d95ffcec6523
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
313 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
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diff
changeset
|
314 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
315 |
return true; |
977
09bf4e458015
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Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
316 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
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parents:
diff
changeset
|
317 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
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|
318 |
void |
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|
319 |
CsmaNetDevice::TransmitStart () |
977
09bf4e458015
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|
320 |
{ |
1276
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parents:
1270
diff
changeset
|
321 |
NS_DEBUG ("CsmaNetDevice::TransmitStart (" << &m_currentPkt << ")"); |
e0b88ec7a6be
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|
322 |
NS_DEBUG ("CsmaNetDevice::TransmitStart (): UID is " |
977
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parents:
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|
323 |
<< m_currentPkt.GetUid () << ")"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
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parents:
diff
changeset
|
324 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
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parents:
diff
changeset
|
325 |
// This function is called to start the process of transmitting a packet. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
326 |
// We need to tell the channel that we've started wiggling the wire and |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
327 |
// schedule an event that will be executed when it's time to tell the |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
328 |
// channel that we're done wiggling the wire. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
329 |
// |
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a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
330 |
NS_ASSERT_MSG((m_txMachineState == READY) || (m_txMachineState == BACKOFF), |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
331 |
"Must be READY to transmit. Tx state is: " |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
332 |
<< m_txMachineState); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
333 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
334 |
// Only transmit if send side of net device is enabled |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
335 |
if (!IsSendEnabled()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
336 |
return; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
337 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
338 |
if (m_channel->GetState() != IDLE) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
339 |
{ // Channel busy, backoff and rechedule TransmitStart() |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
340 |
m_txMachineState = BACKOFF; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
341 |
if (m_backoff.MaxRetriesReached()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
342 |
{ // Too many retries reached, abort transmission of packet |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
343 |
TransmitAbort(); |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
344 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
345 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
346 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
347 |
m_backoff.IncrNumRetries(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
348 |
Time backoffTime = m_backoff.GetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
349 |
|
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
350 |
NS_DEBUG ("CsmaNetDevice::TransmitStart (): " |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
351 |
<< "Channel busy, backing off for " |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
352 |
<< backoffTime.GetSeconds () << "sec"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
353 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
354 |
Simulator::Schedule (backoffTime, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
355 |
&CsmaNetDevice::TransmitStart, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
356 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
357 |
} |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
358 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
359 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
360 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
361 |
// Channel is free, transmit packet |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
362 |
m_txMachineState = BUSY; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
363 |
Time tEvent = Seconds (m_bps.CalculateTxTime(m_currentPkt.GetSize())); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
364 |
|
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
365 |
NS_DEBUG ("CsmaNetDevice::TransmitStart (): " << |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
366 |
"Schedule TransmitCompleteEvent in " << |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
367 |
tEvent.GetSeconds () << "sec"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
368 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
369 |
Simulator::Schedule (tEvent, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
370 |
&CsmaNetDevice::TransmitCompleteEvent, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
371 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
372 |
if (!m_channel->TransmitStart (m_currentPkt, m_deviceId)) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
373 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
374 |
NS_DEBUG ("CsmaNetDevice::TransmitStart (): " << |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
375 |
"Channel transmit start did not work at " << |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
376 |
tEvent.GetSeconds () << "sec"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
377 |
m_txMachineState = READY; |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
378 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
379 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
380 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
381 |
// Transmission success, reset backoff time parameters. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
382 |
m_backoff.ResetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
383 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
384 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
385 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
386 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
387 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
388 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
389 |
CsmaNetDevice::TransmitAbort (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
390 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
391 |
NS_DEBUG ("CsmaNetDevice::TransmitAbort ()"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
392 |
|
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
393 |
NS_DEBUG ("CsmaNetDevice::TransmitAbort (): Pkt UID is " << |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
394 |
m_currentPkt.GetUid () << ")"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
395 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
396 |
// Try to transmit a new packet |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
397 |
bool found; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
398 |
found = m_queue->Dequeue (m_currentPkt); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
399 |
NS_ASSERT_MSG(found, "IsEmpty false but no Packet on queue?"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
400 |
m_backoff.ResetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
401 |
m_txMachineState = READY; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
402 |
TransmitStart (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
403 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
404 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
405 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
406 |
CsmaNetDevice::TransmitCompleteEvent (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
407 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
408 |
NS_DEBUG ("CsmaNetDevice::TransmitCompleteEvent ()"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
409 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
410 |
// This function is called to finish the process of transmitting a packet. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
411 |
// We need to tell the channel that we've stopped wiggling the wire and |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
412 |
// schedule an event that will be executed when it's time to re-enable |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
413 |
// the transmitter after the interframe gap. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
414 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
415 |
NS_ASSERT_MSG(m_txMachineState == BUSY, "Must be BUSY if transmitting"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
416 |
// Channel should be transmitting |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
417 |
NS_ASSERT(m_channel->GetState() == TRANSMITTING); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
418 |
m_txMachineState = GAP; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
419 |
|
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
420 |
NS_DEBUG ("CsmaNetDevice::TransmitCompleteEvent (): Pkt UID is " << |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
421 |
m_currentPkt.GetUid () << ")"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
422 |
m_channel->TransmitEnd (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
423 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
424 |
NS_DEBUG ( |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
425 |
"CsmaNetDevice::TransmitCompleteEvent (): " << |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
426 |
"Schedule TransmitReadyEvent in " |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
427 |
<< m_tInterframeGap.GetSeconds () << "sec"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
428 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
429 |
Simulator::Schedule (m_tInterframeGap, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
430 |
&CsmaNetDevice::TransmitReadyEvent, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
431 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
432 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
433 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
434 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
435 |
CsmaNetDevice::TransmitReadyEvent (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
436 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
437 |
NS_DEBUG ("CsmaNetDevice::TransmitReadyEvent ()"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
438 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
439 |
// This function is called to enable the transmitter after the interframe |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
440 |
// gap has passed. If there are pending transmissions, we use this opportunity |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
441 |
// to start the next transmit. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
442 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
443 |
NS_ASSERT_MSG(m_txMachineState == GAP, "Must be in interframe gap"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
444 |
m_txMachineState = READY; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
445 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
446 |
// Get the next packet from the queue for transmitting |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
447 |
if (m_queue->IsEmpty()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
448 |
{ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
449 |
return; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
450 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
451 |
else |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
452 |
{ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
453 |
bool found; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
454 |
found = m_queue->Dequeue (m_currentPkt); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
455 |
NS_ASSERT_MSG(found, "IsEmpty false but no Packet on queue?"); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
456 |
TransmitStart (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
457 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
458 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
459 |
|
1333
c0d66de933e9
convert TraceResolver * to Ptr<TraceResolver>
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1325
diff
changeset
|
460 |
Ptr<TraceResolver> |
1383 | 461 |
CsmaNetDevice::GetTraceResolver (void) const |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
462 |
{ |
1333
c0d66de933e9
convert TraceResolver * to Ptr<TraceResolver>
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1325
diff
changeset
|
463 |
Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> (); |
1386
f2ee41c3e788
avoid method naming ambiguity in CompositeTraceResolver
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1383
diff
changeset
|
464 |
resolver->AddComposite ("queue", m_queue); |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
465 |
resolver->AddSource ("rx", |
1379
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
466 |
TraceDoc ("receive MAC packet", |
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
467 |
"const Packet &", "packet received"), |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
468 |
m_rxTrace, |
1376 | 469 |
CsmaTraceType (CsmaTraceType::RX)); |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
470 |
resolver->AddSource ("drop", |
1379
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
471 |
TraceDoc ("drop MAC packet", |
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
472 |
"const Packet &", "packet dropped"), |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
473 |
m_dropTrace, |
1376 | 474 |
CsmaTraceType (CsmaTraceType::DROP)); |
1386
f2ee41c3e788
avoid method naming ambiguity in CompositeTraceResolver
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1383
diff
changeset
|
475 |
resolver->SetParentResolver (NetDevice::GetTraceResolver ()); |
1341
f685d4bf320f
use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1333
diff
changeset
|
476 |
return resolver; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
477 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
478 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
479 |
bool |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
480 |
CsmaNetDevice::Attach (Ptr<CsmaChannel> ch) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
481 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
482 |
NS_DEBUG ("CsmaNetDevice::Attach (" << &ch << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
483 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
484 |
m_channel = ch; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
485 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
486 |
m_deviceId = m_channel->Attach(this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
487 |
m_bps = m_channel->GetDataRate (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
488 |
m_tInterframeGap = m_channel->GetDelay (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
489 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
490 |
/* |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
491 |
* For now, this device is up whenever a channel is attached to it. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
492 |
*/ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
493 |
NotifyLinkUp (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
494 |
return true; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
495 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
496 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
497 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
498 |
CsmaNetDevice::AddQueue (Ptr<Queue> q) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
499 |
{ |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
500 |
NS_DEBUG ("CsmaNetDevice::AddQueue (" << q << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
501 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
502 |
m_queue = q; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
503 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
504 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
505 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
506 |
CsmaNetDevice::Receive (const Packet& packet) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
507 |
{ |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
508 |
EthernetHeader header (false); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
509 |
EthernetTrailer trailer; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
510 |
Eui48Address broadcast; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
511 |
Eui48Address destination; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
512 |
Packet p = packet; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
513 |
|
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
514 |
NS_DEBUG ("CsmaNetDevice::Receive UID is (" << p.GetUid() << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
515 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
516 |
// Only receive if send side of net device is enabled |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
517 |
if (!IsReceiveEnabled()) |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
518 |
{ |
1210
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
519 |
m_dropTrace (p); |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
520 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
521 |
} |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
522 |
|
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
523 |
if (m_encapMode == RAW) |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
524 |
{ |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
525 |
ForwardUp (packet, 0, GetBroadcast ()); |
1210
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
526 |
m_dropTrace (p); |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
527 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
528 |
} |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
529 |
p.RemoveTrailer(trailer); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
530 |
trailer.CheckFcs(p); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
531 |
p.RemoveHeader(header); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
532 |
|
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
533 |
broadcast = Eui48Address::ConvertFrom (GetBroadcast ()); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
534 |
destination = Eui48Address::ConvertFrom (GetAddress ()); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
535 |
if ((header.GetDestination() != broadcast) && |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
536 |
(header.GetDestination() != destination)) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
537 |
{ |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
538 |
// not for us. |
1210
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
539 |
m_dropTrace (p); |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
540 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
541 |
} |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
542 |
|
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
543 |
m_rxTrace (p); |
1210
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
544 |
// |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
545 |
// protocol must be initialized to avoid a compiler warning in the RAW |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
546 |
// case that breaks the optimized build. |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
547 |
// |
599a311daef6
fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface
Craig Dowell <craigdo@ee.washington.edu>
parents:
1209
diff
changeset
|
548 |
uint16_t protocol = 0; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
549 |
|
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
550 |
switch (m_encapMode) |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
551 |
{ |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
552 |
case ETHERNET_V1: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
553 |
case IP_ARP: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
554 |
protocol = header.GetLengthType(); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
555 |
break; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
556 |
case LLC: { |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
557 |
LlcSnapHeader llc; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
558 |
p.RemoveHeader (llc); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
559 |
protocol = llc.GetType (); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
560 |
} break; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
561 |
case RAW: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
562 |
NS_ASSERT (false); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
563 |
break; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
564 |
} |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
565 |
|
1209
7629e5cd8f5e
make the previous merge actually work
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1208
diff
changeset
|
566 |
ForwardUp (p, protocol, header.GetSource ()); |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
567 |
return; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
568 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
569 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
570 |
Ptr<Queue> |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
571 |
CsmaNetDevice::GetQueue(void) const |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
572 |
{ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
573 |
return m_queue; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
574 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
575 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
576 |
Ptr<Channel> |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
577 |
CsmaNetDevice::DoGetChannel(void) const |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
578 |
{ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
579 |
return m_channel; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
580 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
581 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
582 |
} // namespace ns3 |