/usr/include/ns3.17/ns3/pointer.h is in libns3-dev 3.17+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (c) 2008 INRIA
*
* 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
*
* Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef NS_POINTER_H
#define NS_POINTER_H
#include "attribute.h"
#include "object.h"
namespace ns3 {
/**
* \ingroup attribute
*
* \brief hold objects of type Ptr<T>
*/
class PointerValue : public AttributeValue
{
public:
PointerValue ();
PointerValue (Ptr<Object> object);
void SetObject (Ptr<Object> object);
Ptr<Object> GetObject (void) const;
template <typename T>
PointerValue (const Ptr<T> &object);
template <typename T>
void Set (const Ptr<T> &object);
template <typename T>
Ptr<T> Get (void) const;
template <typename T>
bool GetAccessor (Ptr<T> &v) const;
template <typename T>
operator Ptr<T> () const;
virtual Ptr<AttributeValue> Copy (void) const;
virtual std::string SerializeToString (Ptr<const AttributeChecker> checker) const;
virtual bool DeserializeFromString (std::string value, Ptr<const AttributeChecker> checker);
private:
Ptr<Object> m_value;
};
class PointerChecker : public AttributeChecker
{
public:
virtual TypeId GetPointeeTypeId (void) const = 0;
};
template <typename T>
Ptr<AttributeChecker> MakePointerChecker (void);
} // namespace ns3
namespace ns3 {
namespace internal {
template <typename T>
class APointerChecker : public PointerChecker
{
virtual bool Check (const AttributeValue &val) const {
const PointerValue *value = dynamic_cast<const PointerValue *> (&val);
if (value == 0)
{
return false;
}
if (value->GetObject () == 0)
{
return true;
}
T *ptr = dynamic_cast<T*> (PeekPointer (value->GetObject ()));
if (ptr == 0)
{
return false;
}
return true;
}
virtual std::string GetValueTypeName (void) const {
return "ns3::PointerValue";
}
virtual bool HasUnderlyingTypeInformation (void) const {
return true;
}
virtual std::string GetUnderlyingTypeInformation (void) const {
TypeId tid = T::GetTypeId ();
return "ns3::Ptr< " + tid.GetName () + " >";
}
virtual Ptr<AttributeValue> Create (void) const {
return ns3::Create<PointerValue> ();
}
virtual bool Copy (const AttributeValue &source, AttributeValue &destination) const {
const PointerValue *src = dynamic_cast<const PointerValue *> (&source);
PointerValue *dst = dynamic_cast<PointerValue *> (&destination);
if (src == 0 || dst == 0)
{
return false;
}
*dst = *src;
return true;
}
virtual TypeId GetPointeeTypeId (void) const {
return T::GetTypeId ();
}
};
} // namespace internal
template <typename T>
PointerValue::PointerValue (const Ptr<T> &object)
{
m_value = object;
}
template <typename T>
void
PointerValue::Set (const Ptr<T> &object)
{
m_value = object;
}
template <typename T>
Ptr<T>
PointerValue::Get (void) const
{
T *v = dynamic_cast<T *> (PeekPointer (m_value));
return v;
}
template <typename T>
PointerValue::operator Ptr<T> () const
{
return Get<T> ();
}
template <typename T>
bool
PointerValue::GetAccessor (Ptr<T> &v) const
{
Ptr<T> ptr = dynamic_cast<T*> (PeekPointer (m_value));
if (ptr == 0)
{
return false;
}
v = ptr;
return true;
}
ATTRIBUTE_ACCESSOR_DEFINE (Pointer);
template <typename T>
Ptr<AttributeChecker>
MakePointerChecker (void)
{
return Create<internal::APointerChecker<T> > ();
}
} // namespace ns3
#endif /* NS_POINTER_H */
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