Implementing CcnxTraceHelper (only aggregate traces for now)
diff --git a/helper/ccnx-trace-helper.cc b/helper/ccnx-trace-helper.cc
new file mode 100644
index 0000000..3e006e4
--- /dev/null
+++ b/helper/ccnx-trace-helper.cc
@@ -0,0 +1,417 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011 UCLA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "ccnx-trace-helper.h"
+
+#include "ns3/ccnx-interest-header.h"
+#include "ns3/ccnx-content-object-header.h"
+#include "ns3/config.h"
+#include "ns3/callback.h"
+#include "ns3/ccnx-app.h"
+#include "ns3/ccnx-face.h"
+#include "ns3/packet.h"
+#include "ns3/log.h"
+#include "ns3/node-list.h"
+#include "ns3/object-vector.h"
+
+#include <fstream>
+#include <boost/lexical_cast.hpp>
+
+using namespace std;
+using namespace boost;
+
+NS_LOG_COMPONENT_DEFINE ("CcnxTraceHelper");
+
+namespace ns3 {
+
+CcnxAppTracer::CcnxAppTracer (const std::string &app, const std::string &node, const std::string &appId)
+ : m_app (app)
+ , m_appId (appId)
+ , m_node (node)
+{
+ Config::Connect ("/NodeList/"+m_node+"/ApplicationList/"+appId+"/$"+m_app+"/TransmittedInterests",
+ MakeCallback (&CcnxAppTracer::OutInterests, this));
+
+ Config::Connect ("/NodeList/"+m_node+"/ApplicationList/"+appId+"/$"+m_app+"/ReceivedNacks",
+ MakeCallback (&CcnxAppTracer::InNacks, this));
+
+ Config::Connect ("/NodeList/"+m_node+"/ApplicationList/"+appId+"/$"+m_app+"/ReceivedInterests",
+ MakeCallback (&CcnxAppTracer::InInterests, this));
+
+ Config::Connect ("/NodeList/"+m_node+"/ApplicationList/"+appId+"/$"+m_app+"/TransmittedContentObjects",
+ MakeCallback (&CcnxAppTracer::OutData, this));
+
+ Config::Connect ("/NodeList/"+m_node+"/ApplicationList/"+appId+"/$"+m_app+"/ReceivedContentObjects",
+ MakeCallback (&CcnxAppTracer::InData, this));
+}
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+
+CcnxL3Tracer::CcnxL3Tracer (const std::string &node)
+: m_node (node)
+{
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/ForwardingStrategy/OutInterests",
+ MakeCallback (&CcnxL3Tracer::OutInterests, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/InInterests",
+ MakeCallback (&CcnxL3Tracer::InInterests, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/DropInterests",
+ MakeCallback (&CcnxL3Tracer::DropInterests, this));
+
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/OutNacks",
+ MakeCallback (&CcnxL3Tracer::OutNacks, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/InNacks",
+ MakeCallback (&CcnxL3Tracer::InNacks, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/DropNacks",
+ MakeCallback (&CcnxL3Tracer::DropNacks, this));
+
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/OutData",
+ MakeCallback (&CcnxL3Tracer::OutData, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/InData",
+ MakeCallback (&CcnxL3Tracer::InData, this));
+ Config::Connect ("/NodeList/"+node+"/$ns3::CcnxL3Protocol/DropData",
+ MakeCallback (&CcnxL3Tracer::DropData, this));
+}
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+
+CcnxAggregateAppTracer::CcnxAggregateAppTracer (const std::string &app, const std::string &node, const std::string &appId)
+ : CcnxAppTracer (app, node, appId)
+ , m_inInterests (0)
+ , m_outInterests (0)
+ , m_inNacks (0)
+ , m_inData (0)
+ , m_outData (0)
+{
+}
+
+void
+CcnxAggregateAppTracer::PrintHeader (std::ostream &os) const
+{
+ os << "NodeId" << "\t"
+ << "App" << "\t"
+ << "AppId" << "\t"
+ << "InInterests" << "\t"
+ << "OutInterests" << "\t"
+
+ << "InNacks" << "\t"
+
+ << "InData" << "\t"
+ << "OutData";
+}
+
+void
+CcnxAggregateAppTracer::Print (std::ostream &os) const
+{
+ os << m_node << "\t"
+ << m_app << "\t"
+ << m_appId << "\t"
+ << m_inInterests << "\t"
+ << m_outInterests << "\t"
+
+ << m_inNacks << "\t"
+
+ << m_inData << "\t"
+ << m_outData;
+}
+
+void
+CcnxAggregateAppTracer::OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>)
+{
+ m_outInterests++;
+}
+
+void
+CcnxAggregateAppTracer::OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>,
+ Ptr<CcnxApp>, Ptr<CcnxFace>)
+{
+ m_outData++;
+}
+
+void
+CcnxAggregateAppTracer::InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>,
+ Ptr<CcnxApp>, Ptr<CcnxFace>)
+{
+ m_inInterests++;
+}
+
+void
+CcnxAggregateAppTracer::InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>,
+ Ptr<CcnxApp>, Ptr<CcnxFace>)
+{
+ m_inNacks++;
+}
+
+void
+CcnxAggregateAppTracer::InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>,
+ Ptr<CcnxApp>, Ptr<CcnxFace>)
+{
+ m_inData++;
+}
+
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+
+
+CcnxAggregateL3Tracer::CcnxAggregateL3Tracer (const std::string &node)
+ : CcnxL3Tracer (node)
+ , m_inInterests (0)
+ , m_outInterests (0)
+ , m_dropInterests (0)
+ , m_inNacks (0)
+ , m_outNacks (0)
+ , m_dropNacks (0)
+ , m_inData (0)
+ , m_outData (0)
+ , m_dropData (0)
+{
+}
+
+void
+CcnxAggregateL3Tracer::PrintHeader (std::ostream &os) const
+{
+ os << "Node" << "\t"
+ << "InInterests" << "\t"
+ << "OutInterests" << "\t"
+ << "DropInterests" << "\t"
+
+ << "InNacks" << "\t"
+ << "OutNacks" << "\t"
+ << "DropNacks" << "\t"
+
+ << "InData" << "\t"
+ << "OutData" << "\t"
+ << "DropData";
+}
+
+void
+CcnxAggregateL3Tracer::Print (std::ostream &os) const
+{
+ os << m_node << "\t"
+ << m_inInterests << "\t"
+ << m_outInterests << "\t"
+ << m_dropInterests << "\t"
+
+ << m_inNacks << "\t"
+ << m_outNacks << "\t"
+ << m_dropNacks << "\t"
+
+ << m_inData << "\t"
+ << m_outData << "\t"
+ << m_dropData;
+}
+
+void
+CcnxAggregateL3Tracer::OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>)
+{
+ m_outInterests++;
+}
+
+void
+CcnxAggregateL3Tracer::InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>)
+{
+ m_inInterests++;
+}
+
+void
+CcnxAggregateL3Tracer::DropInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>)
+{
+ m_dropInterests++;
+}
+
+void
+CcnxAggregateL3Tracer::OutNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>)
+{
+ m_outNacks++;
+}
+
+void
+CcnxAggregateL3Tracer::InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>)
+{
+ m_inNacks++;
+}
+
+void
+CcnxAggregateL3Tracer::DropNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>)
+{
+ m_dropNacks++;
+}
+
+void
+CcnxAggregateL3Tracer::OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, bool fromCache, Ptr<const CcnxFace>)
+{
+ m_inData++;
+}
+
+void
+CcnxAggregateL3Tracer::InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const CcnxFace>)
+{
+ m_outData++;
+}
+
+void
+CcnxAggregateL3Tracer::DropData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ccnx::DropReason, Ptr<const CcnxFace>)
+{
+ m_dropData++;
+}
+
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+
+CcnxTraceHelper::~CcnxTraceHelper ()
+{
+ NS_LOG_FUNCTION (this);
+
+ if (m_apps.size () > 0)
+ {
+ ofstream of;
+ if (!m_appTrace.empty ())
+ {
+ of.open (m_appTrace.c_str (), ios_base::trunc | ios_base::out);
+ of << "# ";
+ m_apps.front ()->PrintHeader (of);
+ of << "\n";
+ }
+
+ for (std::list<Ptr<CcnxAggregateAppTracer> >::iterator app = m_apps.begin ();
+ app != m_apps.end ();
+ app++)
+ {
+ if (!m_appTrace.empty ())
+ {
+ (*app)->Print (of);
+ of << "\n";
+ }
+ else
+ {
+ NS_LOG_INFO (*(*app));
+ }
+ }
+ }
+
+ if (m_l3s.size () > 0)
+ {
+ ofstream of;
+ if (!m_l3Trace.empty ())
+ {
+ of.open (m_l3Trace.c_str (), ios_base::trunc | ios_base::out);
+ of << "# ";
+ m_l3s.front ()->PrintHeader (of);
+ of << "\n";
+ }
+
+ for (std::list<Ptr<CcnxAggregateL3Tracer> >::iterator l3 = m_l3s.begin ();
+ l3 != m_l3s.end ();
+ l3++)
+ {
+ if (!m_l3Trace.empty ())
+ {
+ (*l3)->Print (of);
+ of << "\n";
+ }
+ else
+ {
+ NS_LOG_INFO (*(*l3));
+ }
+ }
+ }
+}
+
+void
+CcnxTraceHelper::SetAppTraceFile (const std::string &appTrace)
+{
+ NS_LOG_FUNCTION (this << appTrace);
+ m_appTrace = appTrace;
+}
+
+void
+CcnxTraceHelper::SetL3TraceFile (const std::string &l3Trace)
+{
+ NS_LOG_FUNCTION (this << l3Trace);
+ m_l3Trace = l3Trace;
+}
+
+void
+CcnxTraceHelper::EnableAggregateAppAll (const std::string &appName)
+{
+ NS_LOG_FUNCTION (this << appName);
+ for (NodeList::Iterator node = NodeList::Begin ();
+ node != NodeList::End ();
+ node++)
+ {
+ ObjectVectorValue apps;
+ (*node)->GetAttribute ("ApplicationList", apps);
+
+ NS_LOG_DEBUG ("Node: " << lexical_cast<string> ((*node)->GetId ()));
+
+ uint32_t appId = 0;
+ for (ObjectVectorValue::Iterator app = apps.Begin ();
+ app != apps.End ();
+ app++, appId++)
+ {
+ NS_LOG_DEBUG ("App: " << lexical_cast<string> (appId) << ", typeId: " << (*app)->GetInstanceTypeId ().GetName ());
+ if ((*app)->GetInstanceTypeId ().GetName () == appName)
+ {
+ m_apps.push_back (Create<CcnxAggregateAppTracer> (appName,
+ lexical_cast<string> ((*node)->GetId ()),
+ lexical_cast<string> (appId)));
+ }
+ }
+ }
+}
+
+void
+CcnxTraceHelper::EnableAggregateL3All ()
+{
+ NS_LOG_FUNCTION (this);
+
+ for (NodeList::Iterator node = NodeList::Begin ();
+ node != NodeList::End ();
+ node++)
+ {
+ NS_LOG_DEBUG ("Node: " << lexical_cast<string> ((*node)->GetId ()));
+
+ m_l3s.push_back (Create<CcnxAggregateL3Tracer> (lexical_cast<string> ((*node)->GetId ())));
+ }
+}
+
+
+} // namespace ns3
diff --git a/helper/ccnx-trace-helper.h b/helper/ccnx-trace-helper.h
new file mode 100644
index 0000000..0a0906d
--- /dev/null
+++ b/helper/ccnx-trace-helper.h
@@ -0,0 +1,300 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011 UCLA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef CCNX_TRACE_HELPER_H
+#define CCNX_TRACE_HELPER_H
+
+#include "ns3/ptr.h"
+#include "ns3/simple-ref-count.h"
+#include "ns3/ccnx.h"
+
+namespace ns3 {
+
+class CcnxApp;
+
+class CcnxAppTracer : public SimpleRefCount<CcnxAppTracer>
+{
+public:
+ CcnxAppTracer (const std::string &app, const std::string &node = "*", const std::string &appId = "*");
+ virtual ~CcnxAppTracer () { };
+
+ virtual void
+ PrintHeader (std::ostream &os) const = 0;
+
+ virtual void
+ Print (std::ostream &os) const = 0;
+
+ virtual void
+ OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>) = 0;
+
+ virtual void
+ InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>) = 0;
+
+ virtual void
+ InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>) = 0;
+
+ virtual void
+ OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>, Ptr<CcnxApp>, Ptr<CcnxFace>) = 0;
+
+ virtual void
+ InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>, Ptr<CcnxApp>, Ptr<CcnxFace>) = 0;
+
+protected:
+ std::string m_app;
+ std::string m_appId;
+ std::string m_node;
+};
+
+std::ostream&
+operator << (std::ostream &os, const CcnxAppTracer &tracer)
+{
+ os << "# ";
+ tracer.PrintHeader (os);
+ os << "\n";
+ tracer.Print (os);
+ return os;
+}
+
+class CcnxL3Tracer : public SimpleRefCount<CcnxL3Tracer>
+{
+public:
+ CcnxL3Tracer (const std::string &node = "*");
+ virtual ~CcnxL3Tracer () { };
+
+ virtual void
+ PrintHeader (std::ostream &os) const = 0;
+
+ virtual void
+ Print (std::ostream &os) const = 0;
+
+ virtual void
+ OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ DropInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ OutNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ DropNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>) = 0;
+
+
+ virtual void
+ OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, bool fromCache, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const CcnxFace>) = 0;
+
+ virtual void
+ DropData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ccnx::DropReason, Ptr<const CcnxFace>) = 0;
+
+protected:
+ std::string m_node;
+};
+
+std::ostream&
+operator << (std::ostream &os, const CcnxL3Tracer &tracer)
+{
+ os << "# ";
+ tracer.PrintHeader (os);
+ os << "\n";
+ tracer.Print (os);
+ return os;
+}
+
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////
+
+class CcnxAggregateAppTracer : public CcnxAppTracer
+{
+public:
+ CcnxAggregateAppTracer (const std::string &app, const std::string &node = "*", const std::string &appId = "*");
+ virtual ~CcnxAggregateAppTracer () { };
+
+ virtual void
+ PrintHeader (std::ostream &os) const;
+
+ virtual void
+ Print (std::ostream &os) const;
+
+ virtual void
+ OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>);
+
+ virtual void
+ InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>);
+
+ virtual void
+ InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<CcnxApp>, Ptr<CcnxFace>);
+
+ virtual void
+ OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>, Ptr<CcnxApp>, Ptr<CcnxFace>);
+
+ virtual void
+ InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>, Ptr<CcnxApp>, Ptr<CcnxFace>);
+
+private:
+ uint64_t m_inInterests;
+ uint64_t m_outInterests;
+ uint64_t m_inNacks;
+ uint64_t m_inData;
+ uint64_t m_outData;
+};
+
+class CcnxAggregateL3Tracer : public CcnxL3Tracer
+{
+public:
+ CcnxAggregateL3Tracer (const std::string &node = "*");
+ virtual ~CcnxAggregateL3Tracer () { };
+
+ virtual void
+ PrintHeader (std::ostream &os) const;
+
+ virtual void
+ Print (std::ostream &os) const;
+
+ virtual void
+ OutInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>);
+
+ virtual void
+ InInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>);
+
+ virtual void
+ DropInterests (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>);
+
+ virtual void
+ OutNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>);
+
+ virtual void
+ InNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ptr<const CcnxFace>);
+
+ virtual void
+ DropNacks (std::string context,
+ Ptr<const CcnxInterestHeader>, Ccnx::DropReason, Ptr<const CcnxFace>);
+
+ virtual void
+ OutData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, bool fromCache, Ptr<const CcnxFace>);
+
+ virtual void
+ InData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ptr<const CcnxFace>);
+
+ virtual void
+ DropData (std::string context,
+ Ptr<const CcnxContentObjectHeader>, Ccnx::DropReason, Ptr<const CcnxFace>);
+
+private:
+ uint64_t m_inInterests;
+ uint64_t m_outInterests;
+ uint64_t m_dropInterests;
+ uint64_t m_inNacks;
+ uint64_t m_outNacks;
+ uint64_t m_dropNacks;
+ uint64_t m_inData;
+ uint64_t m_outData;
+ uint64_t m_dropData;
+};
+
+class CcnxTraceHelper
+{
+public:
+ /**
+ * @brief Destructor that invokes trace output procedures
+ */
+ ~CcnxTraceHelper ();
+
+ /**
+ * @brief Set filename to output app trace.
+ *
+ * By default, trace is output to NS_LOG_INFO stream
+ *
+ * @param file File where trace will be written to
+ */
+ void
+ SetAppTraceFile (const std::string &appTrace = "apps.log");
+
+ /**
+ * @brief Set filename to output app trace.
+ *
+ * By default, trace is output to NS_LOG_INFO stream
+ *
+ * @param file File where trace will be written to
+ */
+ void
+ SetL3TraceFile (const std::string &l3Trace = "l3.log");
+
+ /**
+ * @brief Enable aggregate app-level CCNx tracing on all CCNx applications (individual file per application)
+ *
+ * @param app Class name of the application of interest
+ */
+ void
+ EnableAggregateAppAll (const std::string &app);
+
+ /**
+ * @brief Enable aggregate network-level CCNx tracing on all CCNx nodes (individual file per node)
+ */
+ void
+ EnableAggregateL3All ();
+
+private:
+ std::string m_appTrace;
+ std::list<Ptr<CcnxAggregateAppTracer> > m_apps;
+
+ std::string m_l3Trace;
+ std::list<Ptr<CcnxAggregateL3Tracer> > m_l3s;
+};
+
+
+} // namespace ns3
+
+#endif /* CCNX_TRACE_HELPER_H */