187 lines
6.5 KiB
C++
187 lines
6.5 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
|
/*
|
|
* 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 OBJECT_BASE_H
|
|
#define OBJECT_BASE_H
|
|
|
|
#include "type-id.h"
|
|
#include "callback.h"
|
|
#include <string>
|
|
#include <list>
|
|
|
|
/**
|
|
* \ingroup object
|
|
* \brief Register the class in the ns-3 factory.
|
|
*
|
|
* This macro should be invoked once for every class which
|
|
* defines a new GetTypeId method.
|
|
*
|
|
* If the class is in a namespace, then the macro call should also be
|
|
* in the namespace.
|
|
*/
|
|
#define NS_OBJECT_ENSURE_REGISTERED(type) \
|
|
static struct Object ## type ## RegistrationClass \
|
|
{ \
|
|
Object ## type ## RegistrationClass () { \
|
|
ns3::TypeId tid = type::GetTypeId (); \
|
|
tid.SetSize (sizeof (type)); \
|
|
tid.GetParent (); \
|
|
} \
|
|
} Object ## type ## RegistrationVariable
|
|
|
|
namespace ns3 {
|
|
|
|
class AttributeConstructionList;
|
|
|
|
/**
|
|
* \ingroup object
|
|
*
|
|
* \brief implement the ns-3 type and attribute system
|
|
*
|
|
* Every class which wants to integrate in the ns-3 type and attribute
|
|
* system should derive from this base class. This base class provides:
|
|
* - a way to associate an ns3::TypeId to each object instance
|
|
* - a way to set and get the attributes registered in the ns3::TypeId.
|
|
*/
|
|
class ObjectBase
|
|
{
|
|
public:
|
|
/**
|
|
* Get the type ID.
|
|
*/
|
|
static TypeId GetTypeId (void);
|
|
|
|
/**
|
|
* Virtual destructor
|
|
*/
|
|
virtual ~ObjectBase ();
|
|
|
|
/**
|
|
* \return the TypeId associated to the most-derived type
|
|
* of this instance.
|
|
*
|
|
* This method is typically implemented by ns3::Object::GetInstanceTypeId
|
|
* but some classes which derive from ns3::ObjectBase directly
|
|
* have to implement it themselves.
|
|
*/
|
|
virtual TypeId GetInstanceTypeId (void) const = 0;
|
|
|
|
/**
|
|
* \param name the name of the attribute to set
|
|
* \param value the name of the attribute to set
|
|
*
|
|
* Set a single attribute. This cannot fail: if the input is invalid,
|
|
* it will crash immediately.
|
|
*/
|
|
void SetAttribute (std::string name, const AttributeValue &value);
|
|
/**
|
|
* \param name the name of the attribute to set
|
|
* \param value the name of the attribute to set
|
|
* \return true if the requested attribute exists and could be set,
|
|
* false otherwise.
|
|
*/
|
|
bool SetAttributeFailSafe (std::string name, const AttributeValue &value);
|
|
/**
|
|
* \param name the name of the attribute to read
|
|
* \param value a reference to the value where the result should be stored.
|
|
* \return the attribute read.
|
|
*
|
|
* If the input attribute name does not exist, this method crashes.
|
|
*/
|
|
void GetAttribute (std::string name, AttributeValue &value) const;
|
|
/**
|
|
* \param name the name of the attribute to read
|
|
* \param attribute the attribute where the result value should be stored
|
|
* \return true if the requested attribute was found, false otherwise.
|
|
*/
|
|
bool GetAttributeFailSafe (std::string name, AttributeValue &attribute) const;
|
|
|
|
/**
|
|
* \param name the name of the targetted trace source
|
|
* \param context the trace context associated to the callback
|
|
* \param cb the callback to connect to the trace source.
|
|
*
|
|
* The targetted trace source should be registered with TypeId::AddTraceSource.
|
|
*/
|
|
bool TraceConnect (std::string name, std::string context, const CallbackBase &cb);
|
|
/**
|
|
* \param name the name of the targetted trace source
|
|
* \param cb the callback to connect to the trace source.
|
|
*
|
|
* The targetted trace source should be registered with TypeId::AddTraceSource.
|
|
*/
|
|
bool TraceConnectWithoutContext (std::string name, const CallbackBase &cb);
|
|
/**
|
|
* \param name the name of the targetted trace source
|
|
* \param context the trace context associated to the callback
|
|
* \param cb the callback to disconnect from the trace source.
|
|
*
|
|
* The targetted trace source should be registered with TypeId::AddTraceSource.
|
|
*/
|
|
bool TraceDisconnect (std::string name, std::string context, const CallbackBase &cb);
|
|
/**
|
|
* \param name the name of the targetted trace source
|
|
* \param cb the callback to disconnect from the trace source.
|
|
*
|
|
* The targetted trace source should be registered with TypeId::AddTraceSource.
|
|
*/
|
|
bool TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb);
|
|
|
|
protected:
|
|
/**
|
|
* This method is invoked once all member attributes have been
|
|
* initialized. Subclasses can override this method to be notified
|
|
* of this event but if they do this, they must chain up to their
|
|
* parent's NotifyConstructionCompleted method.
|
|
*/
|
|
virtual void NotifyConstructionCompleted (void);
|
|
/**
|
|
* \param attributes the attribute values used to initialize
|
|
* the member variables of this object's instance.
|
|
*
|
|
* Invoked from subclasses to initialize all of their
|
|
* attribute members. This method will typically be invoked
|
|
* automatically from ns3::CreateObject if your class derives
|
|
* from ns3::Object. If you derive from ns3::ObjectBase directly,
|
|
* you should make sure that you invoke this method from
|
|
* your most-derived constructor.
|
|
*/
|
|
void ConstructSelf (const AttributeConstructionList &attributes);
|
|
|
|
private:
|
|
/**
|
|
* Attempt to set the value referenced by the accessor \p spec
|
|
* to a valid value according to the \c checker, based on \p value.
|
|
*
|
|
* \param [in] spec The accessor for the storage location.
|
|
* \param [in] checker The checker to use in validating the value.
|
|
* \param [in] value The value to attempt to store.
|
|
* \returns true if the \c value could be validated by the \p checker
|
|
* and written to the storage location.
|
|
*/
|
|
bool DoSet (Ptr<const AttributeAccessor> spec,
|
|
Ptr<const AttributeChecker> checker,
|
|
const AttributeValue &value);
|
|
|
|
};
|
|
|
|
} // namespace ns3
|
|
|
|
#endif /* OBJECT_BASE_H */
|