author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Mon, 01 Oct 2007 14:15:56 +0200 | |
changeset 1866 | e7dbcc4df546 |
parent 1504 | 36ecc970ba96 |
child 1870 | 67b3d2dea3d5 |
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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#include "ns3/log.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_LOG_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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NS_LOG_FUNCTION; |
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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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NS_LOG_FUNCTION; |
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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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NS_LOG_FUNCTION; |
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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::GetTypeName (void) const |
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{ |
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NS_LOG_FUNCTION; |
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return "ns3::CsmaTraceType"; |
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} |
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enum CsmaTraceType::Type |
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CsmaTraceType::Get (void) const |
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{ |
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NS_LOG_FUNCTION; |
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return m_type; |
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} |
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CsmaNetDevice::CsmaNetDevice (Ptr<Node> node) |
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: NetDevice (node, Mac48Address::Allocate ()), |
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m_bps (DataRate (0xffffffff)) |
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{ |
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NS_LOG_FUNCTION; |
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NS_LOG_PARAM ("(" << 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, Mac48Address 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_LOG_FUNCTION; |
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NS_LOG_PARAM ("(" << 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, Mac48Address 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_LOG_FUNCTION; |
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NS_LOG_PARAM ("(" << node << ")"); |
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m_encapMode = encapMode; |
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114 |
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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_LOG_FUNCTION; |
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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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NS_LOG_FUNCTION; |
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m_channel = 0; |
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NetDevice::DoDispose (); |
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} |
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131 |
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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_LOG_FUNCTION; |
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NS_LOG_PARAM ("(" << &nd << ")"); |
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return *this; |
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} |
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*/ |
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149 |
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void |
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CsmaNetDevice::Init(bool sendEnable, bool receiveEnable) |
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{ |
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NS_LOG_FUNCTION; |
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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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158 |
|
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EnableBroadcast (Mac48Address ("ff:ff:ff:ff:ff:ff")); |
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EnableMulticast (Mac48Address ("01:00:5e:00:00:00")); |
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161 |
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162 |
SetSendEnable (sendEnable); |
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163 |
SetReceiveEnable (receiveEnable); |
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164 |
} |
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165 |
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166 |
void |
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CsmaNetDevice::SetSendEnable (bool sendEnable) |
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168 |
{ |
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169 |
NS_LOG_FUNCTION; |
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m_sendEnable = sendEnable; |
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171 |
} |
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172 |
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173 |
void |
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174 |
CsmaNetDevice::SetReceiveEnable (bool receiveEnable) |
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175 |
{ |
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176 |
NS_LOG_FUNCTION; |
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177 |
m_receiveEnable = receiveEnable; |
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178 |
} |
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179 |
|
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180 |
bool |
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181 |
CsmaNetDevice::IsSendEnabled (void) |
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182 |
{ |
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183 |
NS_LOG_FUNCTION; |
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184 |
return (m_sendEnable); |
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185 |
} |
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186 |
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187 |
bool |
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188 |
CsmaNetDevice::IsReceiveEnabled (void) |
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189 |
{ |
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190 |
NS_LOG_FUNCTION; |
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191 |
return (m_receiveEnable); |
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192 |
} |
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193 |
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194 |
void |
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195 |
CsmaNetDevice::SetDataRate (DataRate bps) |
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196 |
{ |
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197 |
NS_LOG_FUNCTION; |
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198 |
m_bps = bps; |
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199 |
} |
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200 |
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201 |
void |
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202 |
CsmaNetDevice::SetInterframeGap (Time t) |
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203 |
{ |
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204 |
NS_LOG_FUNCTION; |
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205 |
m_tInterframeGap = t; |
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206 |
} |
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207 |
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208 |
void |
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209 |
CsmaNetDevice::SetBackoffParams (Time slotTime, uint32_t minSlots, |
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210 |
uint32_t maxSlots, uint32_t ceiling, |
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211 |
uint32_t maxRetries) |
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212 |
{ |
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213 |
NS_LOG_FUNCTION; |
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214 |
m_backoff.m_slotTime = slotTime; |
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215 |
m_backoff.m_minSlots = minSlots; |
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216 |
m_backoff.m_maxSlots = maxSlots; |
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217 |
m_backoff.m_ceiling = ceiling; |
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218 |
m_backoff.m_maxRetries = maxRetries; |
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219 |
} |
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220 |
|
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221 |
void |
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222 |
CsmaNetDevice::AddHeader (Ptr<Packet> p, Mac48Address dest, |
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223 |
uint16_t protocolNumber) |
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224 |
{ |
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225 |
NS_LOG_FUNCTION; |
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changeset
|
226 |
if (m_encapMode == RAW) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
227 |
{ |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
228 |
return; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
229 |
} |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
230 |
EthernetHeader header (false); |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
231 |
EthernetTrailer trailer; |
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
232 |
Mac48Address source = Mac48Address::ConvertFrom (GetAddress ()); |
1167 | 233 |
header.SetSource(source); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
234 |
header.SetDestination(dest); |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
235 |
|
1001
33cf9c56e3cd
Fix lengthType initialization for optimized build
Tom Henderson <tomh@tomh.org>
parents:
997
diff
changeset
|
236 |
uint16_t lengthType = 0; |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
237 |
switch (m_encapMode) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
238 |
{ |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
239 |
case ETHERNET_V1: |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
240 |
lengthType = p->GetSize() + header.GetSerializedSize() + trailer.GetSerializedSize(); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
241 |
break; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
242 |
case IP_ARP: |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
243 |
lengthType = protocolNumber; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
244 |
break; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
245 |
case LLC: { |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
246 |
LlcSnapHeader llc; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
247 |
llc.SetType (protocolNumber); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
248 |
p->AddHeader (llc); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
249 |
} break; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
250 |
case RAW: |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
251 |
NS_ASSERT (false); |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
252 |
break; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
253 |
} |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
254 |
header.SetLengthType (lengthType); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
255 |
p->AddHeader(header); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
256 |
trailer.CalcFcs(p); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
257 |
p->AddTrailer(trailer); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
258 |
} |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
259 |
|
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
260 |
bool |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
261 |
CsmaNetDevice::ProcessHeader (Ptr<Packet> p, uint16_t & param) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
262 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
263 |
NS_LOG_FUNCTION; |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
264 |
if (m_encapMode == RAW) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
265 |
{ |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
266 |
return true; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
267 |
} |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
268 |
EthernetHeader header (false); |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
269 |
EthernetTrailer trailer; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
270 |
|
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
271 |
p->RemoveTrailer(trailer); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
272 |
trailer.CheckFcs(p); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
273 |
p->RemoveHeader(header); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
274 |
|
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
|
275 |
if ((header.GetDestination() != GetBroadcast ()) && |
a9f3610bbffa
remove implicit conversion from Address to Eui48Address, to Ipv4Address and to InetSocketAddress
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1205
diff
changeset
|
276 |
(header.GetDestination() != GetAddress ())) |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
277 |
{ |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
278 |
return false; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
279 |
} |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
280 |
|
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
281 |
switch (m_encapMode) |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
282 |
{ |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
283 |
case ETHERNET_V1: |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
284 |
case IP_ARP: |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
285 |
param = header.GetLengthType(); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
286 |
break; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
287 |
case LLC: { |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
288 |
LlcSnapHeader llc; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
289 |
p->RemoveHeader (llc); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
290 |
param = llc.GetType (); |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
291 |
} break; |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
292 |
case RAW: |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
293 |
NS_ASSERT (false); |
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
294 |
break; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
295 |
} |
995
22821dd9152e
param is a 16 bit integer. implement proper llc encapsulation/decapsulation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
993
diff
changeset
|
296 |
return true; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
297 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
298 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
299 |
bool |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
300 |
CsmaNetDevice::DoNeedsArp (void) const |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
301 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
302 |
NS_LOG_FUNCTION; |
993
9f9d5048b710
pktType -> encapMode
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
992
diff
changeset
|
303 |
if ((m_encapMode == IP_ARP) || (m_encapMode == LLC)) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
304 |
{ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
305 |
return true; |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
306 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
307 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
308 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
309 |
return false; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
310 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
311 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
312 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
313 |
bool |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
314 |
CsmaNetDevice::SendTo (Ptr<Packet> packet, |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
315 |
const Address& dest, |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
316 |
uint16_t protocolNumber) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
317 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
318 |
NS_LOG_FUNCTION; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
319 |
NS_LOG_LOGIC ("p=" << packet); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
320 |
NS_LOG_LOGIC ("UID is " << packet->GetUid () << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
321 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
322 |
NS_ASSERT (IsLinkUp ()); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
323 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
324 |
// 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
|
325 |
if (!IsSendEnabled()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
326 |
return false; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
327 |
|
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
328 |
Mac48Address destination = Mac48Address::ConvertFrom (dest); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
329 |
AddHeader(packet, destination, protocolNumber); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
330 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
331 |
// Place the packet to be sent on the send queue |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
332 |
if (m_queue->Enqueue(packet) == false ) |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
333 |
{ |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
334 |
return false; |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
335 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
336 |
// 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
|
337 |
// the transmission will be started when the current packet finished |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
338 |
// transmission (see TransmitCompleteEvent) |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
339 |
if (m_txMachineState == READY) |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
340 |
{ |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
341 |
// Store the next packet to be transmitted |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
342 |
m_currentPkt = m_queue->Dequeue (); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
343 |
if (m_currentPkt != 0) |
1308
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
344 |
{ |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
345 |
TransmitStart(); |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
346 |
} |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
347 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
348 |
return true; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
349 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
350 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
351 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
352 |
CsmaNetDevice::TransmitStart () |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
353 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
354 |
NS_LOG_FUNCTION; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
355 |
NS_LOG_LOGIC ("m_currentPkt=" << m_currentPkt); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
356 |
NS_LOG_LOGIC ("UID is " << m_currentPkt->GetUid ()); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
357 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
358 |
// 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
|
359 |
// 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
|
360 |
// 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
|
361 |
// 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
|
362 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
363 |
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
|
364 |
"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
|
365 |
<< m_txMachineState); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
366 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
367 |
// 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
|
368 |
if (!IsSendEnabled()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
369 |
return; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
370 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
371 |
if (m_channel->GetState() != IDLE) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
372 |
{ // 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
|
373 |
m_txMachineState = BACKOFF; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
374 |
if (m_backoff.MaxRetriesReached()) |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
375 |
{ // 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
|
376 |
TransmitAbort(); |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
377 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
378 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
379 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
380 |
m_backoff.IncrNumRetries(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
381 |
Time backoffTime = m_backoff.GetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
382 |
|
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
383 |
NS_LOG_LOGIC ("Channel busy, backing off for " << |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
384 |
backoffTime.GetSeconds () << " sec"); |
977
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 |
Simulator::Schedule (backoffTime, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
387 |
&CsmaNetDevice::TransmitStart, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
388 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
389 |
} |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
390 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
391 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
392 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
393 |
// Channel is free, transmit packet |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
394 |
m_txMachineState = BUSY; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
395 |
Time tEvent = Seconds (m_bps.CalculateTxTime(m_currentPkt->GetSize())); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
396 |
|
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
397 |
NS_LOG_LOGIC ("Schedule TransmitCompleteEvent in " << |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
398 |
tEvent.GetSeconds () << "sec"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
399 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
400 |
Simulator::Schedule (tEvent, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
401 |
&CsmaNetDevice::TransmitCompleteEvent, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
402 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
403 |
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
|
404 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
405 |
NS_LOG_WARN ("Channel transmit start did not work at " << |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
406 |
tEvent.GetSeconds () << "sec"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
407 |
m_txMachineState = READY; |
997
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
408 |
} |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
409 |
else |
d95ffcec6523
fix indent, basic coding style issues
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
995
diff
changeset
|
410 |
{ |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
411 |
// 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
|
412 |
m_backoff.ResetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
413 |
} |
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 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
416 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
417 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
418 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
419 |
CsmaNetDevice::TransmitAbort (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
420 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
421 |
NS_LOG_FUNCTION; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
422 |
NS_LOG_LOGIC ("Pkt UID is " << m_currentPkt->GetUid () << ")"); |
977
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 |
// Try to transmit a new packet |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
425 |
m_currentPkt = m_queue->Dequeue (); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
426 |
NS_ASSERT_MSG(m_currentPkt != 0, "IsEmpty false but no Packet on queue?"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
427 |
m_backoff.ResetBackoffTime(); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
428 |
m_txMachineState = READY; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
429 |
TransmitStart (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
430 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
431 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
432 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
433 |
CsmaNetDevice::TransmitCompleteEvent (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
434 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
435 |
NS_LOG_FUNCTION; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
436 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
437 |
// 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
|
438 |
// 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
|
439 |
// 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
|
440 |
// 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
|
441 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
442 |
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
|
443 |
// Channel should be transmitting |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
444 |
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
|
445 |
m_txMachineState = GAP; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
446 |
|
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
447 |
NS_LOG_LOGIC ("Pkt UID is " << m_currentPkt->GetUid () << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
448 |
m_channel->TransmitEnd (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
449 |
|
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
450 |
NS_LOG_LOGIC ("Schedule TransmitReadyEvent in " |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
451 |
<< m_tInterframeGap.GetSeconds () << "sec"); |
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 |
Simulator::Schedule (m_tInterframeGap, |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
454 |
&CsmaNetDevice::TransmitReadyEvent, |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
455 |
this); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
456 |
} |
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 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
459 |
CsmaNetDevice::TransmitReadyEvent (void) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
460 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
461 |
NS_LOG_FUNCTION; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
462 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
463 |
// 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
|
464 |
// 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
|
465 |
// to start the next transmit. |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
466 |
// |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
467 |
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
|
468 |
m_txMachineState = READY; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
469 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
470 |
// Get the next packet from the queue for transmitting |
1308
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
471 |
if (m_queue->IsEmpty()) |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
472 |
{ |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
473 |
return; |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
474 |
} |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
475 |
else |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
476 |
{ |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
477 |
m_currentPkt = m_queue->Dequeue (); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
478 |
NS_ASSERT_MSG(m_currentPkt != 0, "IsEmpty false but no Packet on queue?"); |
1308
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
479 |
TransmitStart (); |
5c5937a4150d
backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1303
diff
changeset
|
480 |
} |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
481 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
482 |
|
1333
c0d66de933e9
convert TraceResolver * to Ptr<TraceResolver>
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1325
diff
changeset
|
483 |
Ptr<TraceResolver> |
1383 | 484 |
CsmaNetDevice::GetTraceResolver (void) const |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
485 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
486 |
NS_LOG_FUNCTION; |
1333
c0d66de933e9
convert TraceResolver * to Ptr<TraceResolver>
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1325
diff
changeset
|
487 |
Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> (); |
1386
f2ee41c3e788
avoid method naming ambiguity in CompositeTraceResolver
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1383
diff
changeset
|
488 |
resolver->AddComposite ("queue", m_queue); |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
489 |
resolver->AddSource ("rx", |
1379
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
490 |
TraceDoc ("receive MAC packet", |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
491 |
"Ptr<const Packet>", "packet received"), |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
492 |
m_rxTrace, |
1376 | 493 |
CsmaTraceType (CsmaTraceType::RX)); |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
494 |
resolver->AddSource ("drop", |
1379
f323d2dcdaf6
document trace source signatures
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1376
diff
changeset
|
495 |
TraceDoc ("drop MAC packet", |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
496 |
"Ptr<const Packet>", "packet dropped"), |
1355
6289ac826830
CompositeTraceResolver::Add -> CompositeTraceResolver::AddSource
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1341
diff
changeset
|
497 |
m_dropTrace, |
1376 | 498 |
CsmaTraceType (CsmaTraceType::DROP)); |
1386
f2ee41c3e788
avoid method naming ambiguity in CompositeTraceResolver
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1383
diff
changeset
|
499 |
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
|
500 |
return resolver; |
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 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
503 |
bool |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
504 |
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
|
505 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
506 |
NS_LOG_FUNCTION; |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
507 |
NS_LOG_PARAM ("(" << &ch << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
508 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
509 |
m_channel = ch; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
510 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
511 |
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
|
512 |
m_bps = m_channel->GetDataRate (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
513 |
m_tInterframeGap = m_channel->GetDelay (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
514 |
|
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 |
* 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
|
517 |
*/ |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
518 |
NotifyLinkUp (); |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
519 |
return true; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
520 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
521 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
522 |
void |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
523 |
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
|
524 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
525 |
NS_LOG_FUNCTION; |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
526 |
NS_LOG_PARAM ("(" << q << ")"); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
527 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
528 |
m_queue = q; |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
529 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
530 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
531 |
void |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
532 |
CsmaNetDevice::Receive (Ptr<Packet> packet) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
533 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
534 |
NS_LOG_FUNCTION; |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
535 |
|
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
536 |
EthernetHeader header (false); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
537 |
EthernetTrailer trailer; |
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
538 |
Mac48Address broadcast; |
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
539 |
Mac48Address multicast; |
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
540 |
Mac48Address destination; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
541 |
|
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
542 |
NS_LOG_LOGIC ("UID is " << packet->GetUid()); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
543 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
544 |
// 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
|
545 |
if (!IsReceiveEnabled()) |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
546 |
{ |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
547 |
m_dropTrace (packet); |
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
|
548 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
549 |
} |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
550 |
|
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
551 |
if (m_encapMode == RAW) |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
552 |
{ |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
553 |
ForwardUp (packet, 0, GetBroadcast ()); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
554 |
m_dropTrace (packet); |
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
|
555 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
556 |
} |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
557 |
packet->RemoveTrailer(trailer); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
558 |
trailer.CheckFcs(packet); |
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
559 |
packet->RemoveHeader(header); |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
560 |
|
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
561 |
NS_LOG_LOGIC ("Pkt destination is " << header.GetDestination ()); |
1441
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
562 |
// |
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
563 |
// An IP host group address is mapped to an Ethernet multicast address |
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
564 |
// by placing the low-order 23-bits of the IP address into the low-order |
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
565 |
// 23 bits of the Ethernet multicast address 01-00-5E-00-00-00 (hex). |
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
566 |
// |
1442
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
567 |
// We are going to receive all packets destined to any multicast address, |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
568 |
// which means clearing the low-order 23 bits the header destination |
1441
d6f8a7546e7f
semi-real multicast hardware addresses
Craig Dowell <craigdo@ee.washington.edu>
parents:
1278
diff
changeset
|
569 |
// |
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
570 |
Mac48Address mcDest; |
1442
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
571 |
uint8_t mcBuf[6]; |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
572 |
|
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
573 |
header.GetDestination ().CopyTo (mcBuf); |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
574 |
mcBuf[3] &= 0x80; |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
575 |
mcBuf[4] = 0; |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
576 |
mcBuf[5] = 0; |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
577 |
mcDest.CopyFrom (mcBuf); |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
578 |
|
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
579 |
multicast = Mac48Address::ConvertFrom (GetMulticast ()); |
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
580 |
broadcast = Mac48Address::ConvertFrom (GetBroadcast ()); |
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
581 |
destination = Mac48Address::ConvertFrom (GetAddress ()); |
1442
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
582 |
|
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
583 |
if ((header.GetDestination () != broadcast) && |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
584 |
(mcDest != multicast) && |
bb5cf98c0c64
real multicast enet addr, more source routes, default multicast route
Craig Dowell <craigdo@ee.washington.edu>
parents:
1441
diff
changeset
|
585 |
(header.GetDestination () != destination)) |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
586 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
587 |
NS_LOG_LOGIC ("Dropping pkt "); |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
588 |
m_dropTrace (packet); |
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
|
589 |
return; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
590 |
} |
1276
e0b88ec7a6be
merge ns-3-csma with tip
Craig Dowell <craigdo@ee.washington.edu>
parents:
1270
diff
changeset
|
591 |
|
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
592 |
m_rxTrace (packet); |
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
|
593 |
// |
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
|
594 |
// 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
|
595 |
// 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
|
596 |
// |
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
|
597 |
uint16_t protocol = 0; |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
598 |
|
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
599 |
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
|
600 |
{ |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
601 |
case ETHERNET_V1: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
602 |
case IP_ARP: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
603 |
protocol = header.GetLengthType(); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
604 |
break; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
605 |
case LLC: { |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
606 |
LlcSnapHeader llc; |
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
607 |
packet->RemoveHeader (llc); |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
608 |
protocol = llc.GetType (); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
609 |
} break; |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
610 |
case RAW: |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
611 |
NS_ASSERT (false); |
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
612 |
break; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
613 |
} |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
614 |
|
1866
e7dbcc4df546
do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1504
diff
changeset
|
615 |
ForwardUp (packet, protocol, header.GetSource ()); |
1186
909e9eb2124e
rework the NetDevice <-> Node interface
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1167
diff
changeset
|
616 |
return; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
617 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
618 |
|
1443
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
619 |
Address |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
620 |
CsmaNetDevice::MakeMulticastAddress(Ipv4Address multicastGroup) const |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
621 |
{ |
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
622 |
NS_LOG_FUNCTION; |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
623 |
NS_LOG_PARAM ("(" << multicastGroup << ")"); |
1443
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
624 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
625 |
// First, get the generic multicast address. |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
626 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
627 |
Address hardwareDestination = GetMulticast (); |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
628 |
|
1504
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
1494
diff
changeset
|
629 |
NS_LOG_LOGIC ("Device multicast address: " << hardwareDestination); |
1443
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
630 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
631 |
// It's our address, and we know we're playing with an EUI-48 address here |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
632 |
// primarily since we know that by construction, but also since the parameter |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
633 |
// is an Ipv4Address. |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
634 |
// |
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
635 |
Mac48Address etherAddr = Mac48Address::ConvertFrom (hardwareDestination); |
1443
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
636 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
637 |
// We now have the multicast address in an abstract 48-bit container. We |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
638 |
// need to pull it out so we can play with it. When we're done, we have the |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
639 |
// high order bits in etherBuffer[0], etc. |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
640 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
641 |
uint8_t etherBuffer[6]; |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
642 |
etherAddr.CopyTo (etherBuffer); |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
643 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
644 |
// Now we need to pull the raw bits out of the Ipv4 destination address. |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
645 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
646 |
uint8_t ipBuffer[4]; |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
647 |
multicastGroup.Serialize (ipBuffer); |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
648 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
649 |
// RFC 1112 says that an Ipv4 host group address is mapped to an EUI-48 |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
650 |
// multicast address by placing the low-order 23-bits of the IP address into |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
651 |
// the low-order 23 bits of the Ethernet multicast address |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
652 |
// 01-00-5E-00-00-00 (hex). |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
653 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
654 |
etherBuffer[3] |= ipBuffer[1] & 0x7f; |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
655 |
etherBuffer[4] = ipBuffer[2]; |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
656 |
etherBuffer[5] = ipBuffer[3]; |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
657 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
658 |
// Now, etherBuffer has the desired ethernet multicast address. We have to |
1494
c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1451
diff
changeset
|
659 |
// suck these bits back into the Mac48Address, |
1443
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
660 |
// |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
661 |
etherAddr.CopyFrom (etherBuffer); |
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
662 |
// |
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c2985e1cd091
rename Euixx to Macxx
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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changeset
|
663 |
// Implicit conversion (operator Address ()) is defined for Mac48Address, so |
1443
580ed7a4dd1e
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parents:
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diff
changeset
|
664 |
// use it by just returning the EUI-48 address which is automagically converted |
580ed7a4dd1e
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Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
665 |
// to an Address. |
580ed7a4dd1e
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Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
666 |
// |
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36ecc970ba96
checkpoint debug to log
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parents:
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changeset
|
667 |
NS_LOG_LOGIC ("multicast address is " << etherAddr); |
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parents:
1442
diff
changeset
|
668 |
|
580ed7a4dd1e
Move MakeMulticastAddress to NetDevice
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parents:
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diff
changeset
|
669 |
return etherAddr; |
580ed7a4dd1e
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Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
670 |
} |
580ed7a4dd1e
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Craig Dowell <craigdo@ee.washington.edu>
parents:
1442
diff
changeset
|
671 |
|
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
672 |
Ptr<Queue> |
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parents:
1270
diff
changeset
|
673 |
CsmaNetDevice::GetQueue(void) const |
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parents:
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changeset
|
674 |
{ |
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parents:
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diff
changeset
|
675 |
NS_LOG_FUNCTION; |
36ecc970ba96
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Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
676 |
return m_queue; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
677 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
678 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
679 |
Ptr<Channel> |
1276
e0b88ec7a6be
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parents:
1270
diff
changeset
|
680 |
CsmaNetDevice::DoGetChannel(void) const |
977
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a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
681 |
{ |
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36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
682 |
NS_LOG_FUNCTION; |
36ecc970ba96
checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents:
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diff
changeset
|
683 |
return m_channel; |
977
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
684 |
} |
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
685 |
|
09bf4e458015
a csma/cd NetDevice subclass and a test script
Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
parents:
diff
changeset
|
686 |
} // namespace ns3 |