A Discrete-Event Network Simulator
API
lte-pdcp-tag.cc
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 CTTC
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: Jaume Nin <jaume.nin@cttc.es>
19  * Nicola Baldo <nbaldo@cttc.es>
20  */
21 
22 #include "lte-pdcp-tag.h"
23 #include "ns3/tag.h"
24 #include "ns3/uinteger.h"
25 
26 namespace ns3 {
27 
29 
31  : m_senderTimestamp (Seconds (0))
32 {
33  // Nothing to do here
34 }
35 
36 
37 PdcpTag::PdcpTag (Time senderTimestamp)
38  : m_senderTimestamp (senderTimestamp)
39 
40 {
41  // Nothing to do here
42 }
43 
44 TypeId
46 {
47  static TypeId tid = TypeId ("ns3::PdcpTag")
48  .SetParent<Tag> ()
49  .SetGroupName("Lte")
50  .AddConstructor<PdcpTag> ();
51  return tid;
52 }
53 
54 TypeId
56 {
57  return GetTypeId ();
58 }
59 
60 uint32_t
62 {
63  return sizeof(Time);
64 }
65 
66 void
68 {
69  int64_t senderTimestamp = m_senderTimestamp.GetNanoSeconds ();
70  i.Write ((const uint8_t *)&senderTimestamp, sizeof(int64_t));
71 }
72 
73 void
75 {
76  int64_t senderTimestamp;
77  i.Read ((uint8_t *)&senderTimestamp, 8);
78  m_senderTimestamp = NanoSeconds (senderTimestamp);
79 
80 }
81 
82 void
83 PdcpTag::Print (std::ostream &os) const
84 {
85  os << m_senderTimestamp;
86 }
87 
88 Time
90 {
91  return m_senderTimestamp;
92 }
93 
94 void
96 {
97  this->m_senderTimestamp = senderTimestamp;
98 }
99 
100 
101 } // namespace ns3
102 
void Write(const uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:125
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
virtual void Print(std::ostream &os) const
Definition: lte-pdcp-tag.cc:83
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Definition: nstime.h:751
Time m_senderTimestamp
sender timestamp
Definition: lte-pdcp-tag.h:75
Time NanoSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1094
void SetSenderTimestamp(Time senderTimestamp)
Set the sender timestamp.
Definition: lte-pdcp-tag.cc:95
Tag to calculate the per-PDU delay from eNb PDCP to UE PDCP.
Definition: lte-pdcp-tag.h:37
static TypeId GetTypeId(void)
Get the type ID.
Definition: lte-pdcp-tag.cc:45
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.
int64_t GetNanoSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:373
Time GetSenderTimestamp(void) const
Get the instant when the PDCP delivers the PDU to the MAC SAP provider.
Definition: lte-pdcp-tag.cc:89
virtual uint32_t GetSerializedSize() const
Definition: lte-pdcp-tag.cc:61
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
Definition: lte-pdcp-tag.cc:55
read and write tag data
Definition: tag-buffer.h:51
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1070
void Read(uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:176
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:923
virtual void Serialize(TagBuffer i) const
Definition: lte-pdcp-tag.cc:67
PdcpTag()
Create an empty PDCP tag.
Definition: lte-pdcp-tag.cc:30
virtual void Deserialize(TagBuffer i)
Definition: lte-pdcp-tag.cc:74