A Discrete-Event Network Simulator
API
qos-tag.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 MIRKO BANCHI
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: Mirko Banchi <mk.banchi@gmail.com>
19  */
20 
21 #include "qos-tag.h"
22 #include "ns3/tag.h"
23 #include "ns3/uinteger.h"
24 
25 namespace ns3 {
26 
28 
29 TypeId
31 {
32  static TypeId tid = TypeId ("ns3::QosTag")
33  .SetParent<Tag> ()
34  .SetGroupName ("Wifi")
35  .AddConstructor<QosTag> ()
36  .AddAttribute ("tid", "The tid that indicates AC which packet belongs",
37  UintegerValue (0),
39  MakeUintegerChecker<uint8_t> ())
40  ;
41  return tid;
42 }
43 
44 TypeId
46 {
47  return GetTypeId ();
48 }
49 
51  : m_tid (0)
52 {
53 }
54 QosTag::QosTag (uint8_t tid)
55  : m_tid (tid)
56 {
57 }
58 
59 void
60 QosTag::SetTid (uint8_t tid)
61 {
62  m_tid = tid;
63 }
64 
65 void
67 {
68  m_tid = up;
69 }
70 
71 uint32_t
73 {
74  return 1;
75 }
76 
77 void
79 {
80  i.WriteU8 (m_tid);
81 }
82 
83 void
85 {
86  m_tid = (UserPriority) i.ReadU8 ();
87 }
88 
89 uint8_t
91 {
92  return m_tid;
93 }
94 
95 void
96 QosTag::Print (std::ostream &os) const
97 {
98  os << "Tid=" << m_tid;
99 }
100 
101 } // namespace ns3
void SetUserPriority(UserPriority up)
Set the TID to the value that corresponds to the requested UserPriority.
Definition: qos-tag.cc:66
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:44
virtual void Deserialize(TagBuffer i)
Definition: qos-tag.cc:84
TAG_BUFFER_INLINE uint8_t ReadU8(void)
Definition: tag-buffer.h:195
void SetTid(uint8_t tid)
Set the TID to the given value.
Definition: qos-tag.cc:60
virtual uint32_t GetSerializedSize() const
Definition: qos-tag.cc:72
virtual void Serialize(TagBuffer i) const
Definition: qos-tag.cc:78
Hold an unsigned integer type.
Definition: uinteger.h:44
The aim of the QosTag is to provide means for an Application to specify the TID which will be used by...
Definition: qos-tag.h:61
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
Definition: qos-tag.cc:45
virtual void Print(std::ostream &os) const
Definition: qos-tag.cc:96
tag a set of bytes in a packet
Definition: tag.h:36
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static TypeId GetTypeId(void)
Definition: qos-tag.cc:30
UserPriority
As per IEEE Std.
Definition: qos-tag.h:40
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:172
QosTag()
Create a QosTag with the default TID = 0 (best effort traffic)
Definition: qos-tag.cc:50
read and write tag data
Definition: tag-buffer.h:51
uint8_t m_tid
Traffic ID.
Definition: qos-tag.h:113
Ptr< const AttributeAccessor > MakeUintegerAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
Definition: uinteger.h:45
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:826
uint8_t GetTid(void) const
Return the Type ID.
Definition: qos-tag.cc:90