119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA
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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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "pcap-trace.h"
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#include <sstream>
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#include "ns3/config.h"
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#include "ns3/callback.h"
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#include "ns3/pcap-writer.h"
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#include "ns3/node-list.h"
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#include "ns3/node.h"
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#include "ns3/packet.h"
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#include "ns3/log.h"
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#include "ipv4-l3-protocol.h"
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NS_LOG_COMPONENT_DEFINE ("PcapTrace");
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namespace ns3 {
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PcapTrace::PcapTrace (std::string filename)
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: m_filename (filename)
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{}
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PcapTrace::~PcapTrace ()
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{
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for (std::vector<Trace>::iterator i = m_traces.begin ();
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i != m_traces.end (); i++)
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{
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delete i->writer;
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}
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}
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void
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PcapTrace::TraceAllIp (void)
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{
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Config::ConnectWithContext ("/NodeList/*/$Ipv4L3Protocol/Tx",
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MakeCallback (&PcapTrace::LogTxIp, this));
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Config::ConnectWithContext ("/NodeList/*/$Ipv4L3Protocol/Rx",
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MakeCallback (&PcapTrace::LogRxIp, this));
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}
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PcapWriter *
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PcapTrace::GetStream (uint32_t nodeId, uint32_t interfaceId)
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{
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for (std::vector<Trace>::iterator i = m_traces.begin ();
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i != m_traces.end (); i++)
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{
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if (i->nodeId == nodeId &&
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i->interfaceId == interfaceId)
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{
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return i->writer;
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}
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}
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PcapTrace::Trace trace;
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trace.nodeId = nodeId;
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trace.interfaceId = interfaceId;
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trace.writer = new PcapWriter ();
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std::ostringstream oss;
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oss << m_filename << "-" << nodeId << "-" << interfaceId;
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std::string filename = oss.str ();
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trace.writer->Open (filename);
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trace.writer->WriteIpHeader ();
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m_traces.push_back (trace);
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return trace.writer;
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}
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uint32_t
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PcapTrace::GetNodeIndex (std::string context) const
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{
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std::string::size_type pos;
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pos = context.find ("/NodeList/");
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NS_ASSERT (pos == 0);
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std::string::size_type afterNodeIndex = context.find ("/", 11);
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NS_ASSERT (afterNodeIndex != std::string::npos);
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std::string index = context.substr (10, afterNodeIndex - 10);
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NS_LOG_DEBUG ("index="<<index);
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std::istringstream iss;
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iss.str (index);
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uint32_t nodeIndex;
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iss >> nodeIndex;
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return nodeIndex;
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}
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void
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PcapTrace::LogTxIp (std::string context, Ptr<const Packet> p, uint32_t interfaceIndex)
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{
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PcapWriter *writer = GetStream (GetNodeIndex (context), interfaceIndex);
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writer->WritePacket (p);
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}
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void
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PcapTrace::LogRxIp (std::string context, Ptr<const Packet> p, uint32_t interfaceIndex)
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{
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PcapWriter *writer = GetStream (GetNodeIndex (context), interfaceIndex);
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writer->WritePacket (p);
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}
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}//namespace ns3
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