A Discrete-Event Network Simulator
API
trace-source-accessor.h
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2008 INRIA
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19 */
20#ifndef TRACE_SOURCE_ACCESSOR_H
21#define TRACE_SOURCE_ACCESSOR_H
22
23#include <stdint.h>
24#include "callback.h"
25#include "ptr.h"
26#include "simple-ref-count.h"
27
34namespace ns3 {
35
36class ObjectBase;
37
46class TraceSourceAccessor : public SimpleRefCount<TraceSourceAccessor>
47{
48public:
52 virtual ~TraceSourceAccessor ();
53
62 virtual bool ConnectWithoutContext (ObjectBase *obj, const CallbackBase &cb) const = 0;
75 virtual bool Connect (ObjectBase *obj, std::string context, const CallbackBase &cb) const = 0;
84 virtual bool DisconnectWithoutContext (ObjectBase *obj, const CallbackBase &cb) const = 0;
97 virtual bool Disconnect (ObjectBase *obj, std::string context, const CallbackBase &cb) const = 0;
98};
99
115template <typename T>
117
125static inline
127{
129}
130
131} // namespace ns3
132
133
134/********************************************************************
135 * Implementation of the templates declared above.
136 ********************************************************************/
137
138namespace ns3 {
139
149template <typename T, typename SOURCE>
150Ptr<const TraceSourceAccessor>
152{
153 struct Accessor : public TraceSourceAccessor
154 {
155 virtual bool ConnectWithoutContext (ObjectBase *obj, const CallbackBase &cb) const
156 {
157 T *p = dynamic_cast<T*> (obj);
158 if (p == 0)
159 {
160 return false;
161 }
162 (p->*m_source).ConnectWithoutContext (cb);
163 return true;
164 }
165 virtual bool Connect (ObjectBase *obj, std::string context, const CallbackBase &cb) const
166 {
167 T *p = dynamic_cast<T*> (obj);
168 if (p == 0)
169 {
170 return false;
171 }
172 (p->*m_source).Connect (cb, context);
173 return true;
174 }
175 virtual bool DisconnectWithoutContext (ObjectBase *obj, const CallbackBase &cb) const
176 {
177 T *p = dynamic_cast<T*> (obj);
178 if (p == 0)
179 {
180 return false;
181 }
182 (p->*m_source).DisconnectWithoutContext (cb);
183 return true;
184 }
185 virtual bool Disconnect (ObjectBase *obj, std::string context, const CallbackBase &cb) const
186 {
187 T *p = dynamic_cast<T*> (obj);
188 if (p == 0)
189 {
190 return false;
191 }
192 (p->*m_source).Disconnect (cb, context);
193 return true;
194 }
195 SOURCE T::*m_source;
196 } *accessor = new Accessor ();
197 accessor->m_source = a;
198 return Ptr<const TraceSourceAccessor> (accessor, false);
199}
200
201template <typename T>
203{
204 return DoMakeTraceSourceAccessor (a);
205}
206
207} // namespace ns3
208
209
210#endif /* TRACE_SOURCE_ACCESSOR_H */
Declaration of the various callback functions.
Base class for Callback class.
Definition: callback.h:1196
Anchor the ns-3 type and attribute system.
Definition: object-base.h:167
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
A template-based reference counting class.
Control access to objects' trace sources.
virtual bool ConnectWithoutContext(ObjectBase *obj, const CallbackBase &cb) const =0
Connect a Callback to a TraceSource (without context.)
virtual bool Connect(ObjectBase *obj, std::string context, const CallbackBase &cb) const =0
Connect a Callback to a TraceSource with a context string.
virtual bool Disconnect(ObjectBase *obj, std::string context, const CallbackBase &cb) const =0
Disconnect a Callback from a TraceSource with a context string.
virtual bool DisconnectWithoutContext(ObjectBase *obj, const CallbackBase &cb) const =0
Disconnect a Callback from a TraceSource (without context).
virtual ~TraceSourceAccessor()
Destructor.
void Disconnect(std::string path, const CallbackBase &cb)
Definition: config.cc:935
void Connect(std::string path, const CallbackBase &cb)
Definition: config.cc:920
void DisconnectWithoutContext(std::string path, const CallbackBase &cb)
Definition: config.cc:914
void ConnectWithoutContext(std::string path, const CallbackBase &cb)
Definition: config.cc:901
static Ptr< const TraceSourceAccessor > MakeEmptyTraceSourceAccessor()
Create an empty TraceSourceAccessor.
Ptr< const TraceSourceAccessor > DoMakeTraceSourceAccessor(SOURCE T::*a)
MakeTraceSourceAccessor() implementation.
Ptr< const TraceSourceAccessor > MakeTraceSourceAccessor(T a)
Create a TraceSourceAccessor which will control access to the underlying trace source.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::Ptr smart pointer declaration and implementation.
ns3::SimpleRefCount declaration and template implementation.