1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2007-2009 Strasbourg University
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  * Author: David Gross <gdavid.devel@gmail.com>
19  */
20 
21 #ifndef IPV6_EXTENSION_DEMUX_H
22 #define IPV6_EXTENSION_DEMUX_H
23 
24 #include <list>
25 #include "ns3/object.h"
26 #include "ns3/ptr.h"
27 
28 namespace ns3
29 {
30 
31 class Ipv6Extension;
32 class Node;
33 
34 /**
35  * \ingroup ipv6HeaderExt
36  *
37  * \brief Demultiplexes IPv6 extensions.
38  */
39 class Ipv6ExtensionDemux : public Object
40 {
41 public:
42   /**
43    * \brief The interface ID.
44    * \return type ID
45    */
46   static TypeId GetTypeId (void);
47 
48   /**
49    * \brief Constructor.
50    */
51   Ipv6ExtensionDemux ();
52 
53   /**
54    * \brief Destructor.
55    */
56   virtual ~Ipv6ExtensionDemux ();
57 
58   /**
59    * \brief Set the node.
60    * \param node the node to set
61    */
62   void SetNode (Ptr<Node> node);
63 
64   /**
65    * \brief Insert a new IPv6 Extension.
66    * \param extension the extension to insert
67    */
68   void Insert (Ptr<Ipv6Extension> extension);
69 
70   /**
71    * \brief Get the extension corresponding to extensionNumber.
72    * \param extensionNumber extension number of the extension to retrieve
73    * \return a matching IPv6 extension
74    */
75   Ptr<Ipv6Extension> GetExtension (uint8_t extensionNumber);
76 
77   /**
78    * \brief Remove an extension from this demux.
79    * \param extension pointer on the extension to remove
80    */
81   void Remove (Ptr<Ipv6Extension> extension);
82 
83 protected:
84   /**
85    * \brief Dispose object.
86    */
87   virtual void DoDispose ();
88 
89 private:
90 
91   /**
92    * \brief Container of the IPv6 Extensions.
93    */
94   typedef std::list<Ptr<Ipv6Extension> > Ipv6ExtensionList_t;
95 
96   /**
97    * \brief List of IPv6 Extensions supported.
98    */
99   Ipv6ExtensionList_t m_extensions;
100 
101   /**
102    * \brief The node.
103    */
104   Ptr<Node> m_node;
105 };
106 
107 } /* namespace ns3 */
108 
109 #endif /* IPV6_EXTENSION_DEMUX_H */
110 
111