110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA, Gustavo Carneiro
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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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* Authors: Gustavo Carneiro <gjcarneiro@gmail.com>,
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* Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#ifndef OBJECT_H
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#define OBJECT_H
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#include <stdint.h>
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#include <string>
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#include "ptr.h"
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namespace ns3 {
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class InterfaceId
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{
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public:
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static InterfaceId LookupByName (std::string name);
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static InterfaceId LookupParent (InterfaceId iid);
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~InterfaceId ();
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private:
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InterfaceId (uint16_t iid);
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friend InterfaceId MakeInterfaceId (std::string name, const InterfaceId &parent);
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friend InterfaceId MakeObjectInterfaceId (void);
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friend bool operator == (const InterfaceId &a, const InterfaceId &b);
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friend bool operator != (const InterfaceId &a, const InterfaceId &b);
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uint16_t m_iid;
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};
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InterfaceId
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MakeInterfaceId (std::string name, const InterfaceId &parent);
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class Object
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{
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public:
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static const InterfaceId iid;
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Object ();
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virtual ~Object ();
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inline void Ref (void) const;
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inline void Unref (void) const;
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template <typename T>
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Ptr<T> QueryInterface (InterfaceId iid) const;
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void Dispose (void);
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void AddInterface (Ptr<Object> other);
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protected:
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void SetInterfaceId (InterfaceId iid);
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virtual void DoDispose (void);
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private:
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Ptr<Object> DoQueryInterface (InterfaceId iid) const;
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bool Check (void) const;
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void MaybeDelete (void) const;
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mutable uint32_t m_count;
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InterfaceId m_iid;
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bool m_disposed;
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Object *m_next;
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};
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} // namespace ns3
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namespace ns3 {
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void
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Object::Ref (void) const
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{
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m_count++;
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}
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void
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Object::Unref (void) const
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{
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NS_ASSERT (Check ());
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m_count--;
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if (m_count == 0)
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{
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MaybeDelete ();
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}
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}
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template <typename T>
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Ptr<T>
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Object::QueryInterface (InterfaceId iid) const
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{
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Ptr<Object> found = DoQueryInterface (iid);
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if (found != 0)
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{
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return Ptr<T> (dynamic_cast<T *> (PeekPointer (found)));
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}
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return 0;
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}
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} // namespace ns3
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#endif /* OBJECT_H */
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