A Discrete-Event Network Simulator
API
lte-rlc-tag.cc
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1 /*
2  * Copyright (c) 2011 CTTC
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation;
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  *
17  * Author: Jaume Nin <jaume.nin@cttc.es>
18  */
19 
20 #include "lte-rlc-tag.h"
21 
22 #include "ns3/tag.h"
23 #include "ns3/uinteger.h"
24 
25 namespace ns3
26 {
27 
29 
31  : m_senderTimestamp(Seconds(0))
32 {
33  // Nothing to do here
34 }
35 
36 RlcTag::RlcTag(Time senderTimestamp)
37  : m_senderTimestamp(senderTimestamp)
38 
39 {
40  // Nothing to do here
41 }
42 
43 TypeId
45 {
46  static TypeId tid =
47  TypeId("ns3::RlcTag").SetParent<Tag>().SetGroupName("Lte").AddConstructor<RlcTag>();
48  return tid;
49 }
50 
51 TypeId
53 {
54  return GetTypeId();
55 }
56 
57 uint32_t
59 {
60  return sizeof(Time);
61 }
62 
63 void
65 {
66  int64_t senderTimestamp = m_senderTimestamp.GetNanoSeconds();
67  i.Write((const uint8_t*)&senderTimestamp, sizeof(int64_t));
68 }
69 
70 void
72 {
73  int64_t senderTimestamp;
74  i.Read((uint8_t*)&senderTimestamp, 8);
75  m_senderTimestamp = NanoSeconds(senderTimestamp);
76 }
77 
78 void
79 RlcTag::Print(std::ostream& os) const
80 {
81  os << m_senderTimestamp;
82 }
83 
84 } // namespace ns3
Tag to calculate the per-PDU delay from eNb RLC to UE RLC.
Definition: lte-rlc-tag.h:36
Time m_senderTimestamp
sender timestamp
Definition: lte-rlc-tag.h:80
uint32_t GetSerializedSize() const override
Definition: lte-rlc-tag.cc:58
RlcTag()
Create an empty RLC tag.
Definition: lte-rlc-tag.cc:30
static TypeId GetTypeId()
Get the type ID.
Definition: lte-rlc-tag.cc:44
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
Definition: lte-rlc-tag.cc:52
void Serialize(TagBuffer i) const override
Definition: lte-rlc-tag.cc:64
void Print(std::ostream &os) const override
Definition: lte-rlc-tag.cc:79
void Deserialize(TagBuffer i) override
Definition: lte-rlc-tag.cc:71
read and write tag data
Definition: tag-buffer.h:52
void Read(uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:183
void Write(const uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:129
tag a set of bytes in a packet
Definition: tag.h:39
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:105
int64_t GetNanoSeconds() const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:418
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:931
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:46
Time NanoSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1362
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Definition: nstime.h:839
Every class exported by the ns3 library is enclosed in the ns3 namespace.