A Discrete-Event Network Simulator
API
llc-snap-header.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2005 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  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 
21 #include "llc-snap-header.h"
22 #include "ns3/assert.h"
23 #include "ns3/log.h"
24 #include <string>
25 
26 namespace ns3 {
27 
28 NS_LOG_COMPONENT_DEFINE ("LlcSnalHeader");
29 
30 NS_OBJECT_ENSURE_REGISTERED (LlcSnapHeader);
31 
33 {
34  NS_LOG_FUNCTION (this);
35 }
36 
37 void
38 LlcSnapHeader::SetType (uint16_t type)
39 {
40  NS_LOG_FUNCTION (this);
41  m_etherType = type;
42 }
43 uint16_t
45 {
46  NS_LOG_FUNCTION (this);
47  return m_etherType;
48 }
49 
50 uint32_t
52 {
53  NS_LOG_FUNCTION (this);
55 }
56 
57 TypeId
59 {
60  static TypeId tid = TypeId ("ns3::LlcSnapHeader")
61  .SetParent<Header> ()
62  .SetGroupName("Network")
63  .AddConstructor<LlcSnapHeader> ()
64  ;
65  return tid;
66 }
67 TypeId
69 {
70  return GetTypeId ();
71 }
72 void
73 LlcSnapHeader::Print (std::ostream &os) const
74 {
75  NS_LOG_FUNCTION (this << &os);
76  os << "type 0x";
77  os.setf (std::ios::hex, std::ios::basefield);
78  os << m_etherType;
79  os.setf (std::ios::dec, std::ios::basefield);
80 }
81 
82 void
84 {
85  NS_LOG_FUNCTION (this << &start);
87  uint8_t buf[] = { 0xaa, 0xaa, 0x03, 0, 0, 0};
88  i.Write (buf, 6);
90 }
91 uint32_t
93 {
94  NS_LOG_FUNCTION (this << &start);
96  i.Next (5+1);
97  m_etherType = i.ReadNtohU16 ();
98  return GetSerializedSize ();
99 }
100 
101 
102 } // namespace ns3
Protocol header serialization and deserialization.
Definition: header.h:42
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
def start()
Definition: core.py:1844
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
void SetType(uint16_t type)
Set the Ethertype.
iterator in a Buffer instance
Definition: buffer.h:98
virtual uint32_t Deserialize(Buffer::Iterator start)
virtual uint32_t GetSerializedSize(void) const
uint16_t GetType(void)
Return the Ethertype.
void WriteHtonU16(uint16_t data)
Definition: buffer.h:905
uint16_t m_etherType
the Ethertype
void Next(void)
go forward by one byte
Definition: buffer.h:845
virtual void Print(std::ostream &os) const
static const uint16_t LLC_SNAP_HEADER_LENGTH
The length in octects of the LLC/SNAP header.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
void Write(uint8_t const *buffer, uint32_t size)
Definition: buffer.cc:953
uint16_t ReadNtohU16(void)
Definition: buffer.h:946
static TypeId GetTypeId(void)
Get the type ID.
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:915
virtual void Serialize(Buffer::Iterator start) const
Header for the LLC/SNAP encapsulation.