252 lines
7.0 KiB
C++
252 lines
7.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006,2007 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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#ifndef CALLBACK_TRACE_H
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#define CALLBACK_TRACE_H
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#include <list>
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#include "callback.h"
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#include "fatal-error.h"
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#include "trace-context.h"
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#include "trace-source.h"
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namespace ns3 {
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/**
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* \brief log arbitrary number of parameters to a matching ns3::Callback
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* \ingroup tracing
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*
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* Whenever operator () is invoked on this class, the call and its arguments
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* are forwarded to the internal matching ns3::Callback.
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*/
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template<typename T1 = empty, typename T2 = empty,
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typename T3 = empty, typename T4 = empty>
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class CallbackTraceSource : public TraceSource {
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public:
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CallbackTraceSource ();
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virtual void AddCallback (CallbackBase const & callback, TraceContext const & context);
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virtual void RemoveCallback (CallbackBase const & callback);
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virtual void ConnectPrinter (std::ostream &os, const TraceContext &context);
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void operator() (void) const;
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void operator() (T1 a1) const;
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void operator() (T1 a1, T2 a2) const;
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void operator() (T1 a1, T2 a2, T3 a3) const;
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void operator() (T1 a1, T2 a2, T3 a3, T4 a4) const;
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private:
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typedef std::list<Callback<void,TraceContext const &,T1,T2,T3,T4> > CallbackList;
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TraceContext m_context;
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CallbackList m_callbackList;
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};
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}; // namespace ns3
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// implementation below.
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namespace ns3 {
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namespace internal {
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template<typename T1, typename T2,
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typename T3, typename T4>
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class TraceSinkPrint;
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template<typename T1, typename T2,
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typename T3, typename T4>
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class TraceSinkPrint
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{
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public:
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static Callback<void,const TraceContext &,T1,T2,T3,T4> Make (std::ostream &os)
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{
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return ns3::MakeBoundCallback (&DoPrint, &os);
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}
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private:
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static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2, T3 a3, T4 a4)
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{
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*os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\" arg3=\"" << a3 << "\" arg4=\"" << a4 << "\"" << std::endl;
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}
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};
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template<typename T1, typename T2,
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typename T3>
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class TraceSinkPrint<T1,T2,T3,empty>
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{
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public:
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static Callback<void,const TraceContext &,T1,T2,T3> Make (std::ostream &os)
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{
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return ns3::MakeBoundCallback (&DoPrint, &os);
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}
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private:
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static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2, T3 a3)
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{
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*os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\" arg3=\"" << a3 << "\"" << std::endl;
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}
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};
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template<typename T1, typename T2>
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class TraceSinkPrint<T1,T2,empty,empty>
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{
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public:
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static Callback<void,const TraceContext &,T1,T2> Make (std::ostream &os)
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{
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return ns3::MakeBoundCallback (&DoPrint, &os);
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}
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private:
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static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2)
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{
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*os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\"" << std::endl;
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}
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};
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template<typename T1>
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class TraceSinkPrint<T1,empty,empty,empty>
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{
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public:
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static Callback<void,const TraceContext &,T1> Make (std::ostream &os)
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{
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return ns3::MakeBoundCallback (&DoPrint, &os);
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}
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private:
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static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1)
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{
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*os << "context=\"" << context << "\" arg1=\"" << a1 << "\"" << std::endl;
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}
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};
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template <>
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class TraceSinkPrint<empty,empty,empty,empty>
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{
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public:
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static Callback<void,const TraceContext &> Make (std::ostream &os)
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{
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return ns3::MakeBoundCallback (&DoPrint, &os);
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}
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private:
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static void DoPrint (std::ostream *os, const TraceContext &context)
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{
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*os << "context=\"" << context << std::endl;
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}
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};
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} // namespace internal
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template<typename T1, typename T2,
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typename T3, typename T4>
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CallbackTraceSource<T1,T2,T3,T4>::CallbackTraceSource ()
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: m_callbackList ()
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{}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::AddCallback (CallbackBase const & callback,
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TraceContext const &context)
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{
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Callback<void,TraceContext const &,T1,T2,T3,T4> cb;
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cb.Assign (callback);
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m_context.Union (context);
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m_callbackList.push_back (cb);
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::RemoveCallback (CallbackBase const & callback)
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{
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for (typename CallbackList::iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); /* empty */)
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{
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if ((*i).IsEqual (callback))
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{
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i = m_callbackList.erase (i);
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}
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else
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{
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i++;
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}
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}
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::ConnectPrinter (std::ostream &os, const TraceContext &context)
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{
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AddCallback (ns3::internal::TraceSinkPrint<T1,T2,T3,T4>::Make (os), context);
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::operator() (void) const
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{
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for (typename CallbackList::const_iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); i++)
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{
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(*i) (m_context);
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}
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::operator() (T1 a1) const
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{
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for (typename CallbackList::const_iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); i++)
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{
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(*i) (m_context, a1);
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}
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::operator() (T1 a1, T2 a2) const
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{
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for (typename CallbackList::const_iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); i++)
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{
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(*i) (m_context, a1, a2);
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}
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::operator() (T1 a1, T2 a2, T3 a3) const
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{
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for (typename CallbackList::const_iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); i++)
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{
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(*i) (m_context, a1, a2, a3);
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}
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}
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template<typename T1, typename T2,
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typename T3, typename T4>
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void
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CallbackTraceSource<T1,T2,T3,T4>::operator() (T1 a1, T2 a2, T3 a3, T4 a4) const
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{
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for (typename CallbackList::const_iterator i = m_callbackList.begin ();
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i != m_callbackList.end (); i++)
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{
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(*i) (m_context, a1, a2, a3, a4);
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}
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}
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}//namespace ns3
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#endif /* CALLBACK_TRACE_H */
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