60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2006 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 F_VARIABLE_TRACER_H
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#define F_VARIABLE_TRACER_H
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#include "ns3/callback.h"
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#include <stdint.h>
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namespace ns3 {
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class FVariableTracerBase {
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public:
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typedef Callback<void,double, double> ChangeNotifyCallback;
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FVariableTracerBase () {}
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FVariableTracerBase (FVariableTracerBase const &o) {}
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FVariableTracerBase &operator = (FVariableTracerBase const &o) {
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return *this;
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}
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~FVariableTracerBase () {}
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void setCallback(ChangeNotifyCallback callback) {
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m_callback = callback;
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}
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protected:
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void notify (double oldVal, double newVal) {
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if (oldVal != newVal && !m_callback.IsNull ())
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{
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m_callback (oldVal, newVal);
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}
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}
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private:
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ChangeNotifyCallback m_callback;
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};
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}; // namespace ns3
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#endif /* F_VARIABLE_TRACER_H */
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