A Discrete-Event Network Simulator
API
seq-ts-header.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 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 "ns3/assert.h"
22 #include "ns3/log.h"
23 #include "ns3/header.h"
24 #include "ns3/simulator.h"
25 #include "seq-ts-header.h"
26 
27 namespace ns3 {
28 
29 NS_LOG_COMPONENT_DEFINE ("SeqTsHeader");
30 
31 NS_OBJECT_ENSURE_REGISTERED (SeqTsHeader);
32 
34  : m_seq (0),
35  m_ts (Simulator::Now ().GetTimeStep ())
36 {
37  NS_LOG_FUNCTION (this);
38 }
39 
40 void
41 SeqTsHeader::SetSeq (uint32_t seq)
42 {
43  NS_LOG_FUNCTION (this << seq);
44  m_seq = seq;
45 }
46 uint32_t
47 SeqTsHeader::GetSeq (void) const
48 {
49  NS_LOG_FUNCTION (this);
50  return m_seq;
51 }
52 
53 Time
54 SeqTsHeader::GetTs (void) const
55 {
56  NS_LOG_FUNCTION (this);
57  return TimeStep (m_ts);
58 }
59 
60 TypeId
62 {
63  static TypeId tid = TypeId ("ns3::SeqTsHeader")
64  .SetParent<Header> ()
65  .SetGroupName("Applications")
66  .AddConstructor<SeqTsHeader> ()
67  ;
68  return tid;
69 }
70 TypeId
72 {
73  return GetTypeId ();
74 }
75 void
76 SeqTsHeader::Print (std::ostream &os) const
77 {
78  NS_LOG_FUNCTION (this << &os);
79  os << "(seq=" << m_seq << " time=" << TimeStep (m_ts).GetSeconds () << ")";
80 }
81 uint32_t
83 {
84  NS_LOG_FUNCTION (this);
85  return 4+8;
86 }
87 
88 void
90 {
91  NS_LOG_FUNCTION (this << &start);
93  i.WriteHtonU32 (m_seq);
94  i.WriteHtonU64 (m_ts);
95 }
96 uint32_t
98 {
99  NS_LOG_FUNCTION (this << &start);
101  m_seq = i.ReadNtohU32 ();
102  m_ts = i.ReadNtohU64 ();
103  return GetSerializedSize ();
104 }
105 
106 } // namespace ns3
Protocol header serialization and deserialization.
Definition: header.h:42
void WriteHtonU64(uint64_t data)
Definition: buffer.cc:940
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
Control the scheduling of simulation events.
Definition: simulator.h:68
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
def start()
Definition: core.py:1855
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:355
uint64_t ReadNtohU64(void)
Definition: buffer.cc:1043
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:204
uint32_t ReadNtohU32(void)
Definition: buffer.h:970
iterator in a Buffer instance
Definition: buffer.h:98
uint64_t m_ts
Timestamp.
Definition: seq-ts-header.h:68
static TypeId GetTypeId(void)
Get the type ID.
Packet header for UDP client/server application.
Definition: seq-ts-header.h:36
uint32_t GetSeq(void) const
virtual void Print(std::ostream &os) const
Every class exported by the ns3 library is enclosed in the ns3 namespace.
virtual void Serialize(Buffer::Iterator start) const
Time TimeStep(uint64_t ts)
Definition: nstime.h:1119
uint32_t m_seq
Sequence number.
Definition: seq-ts-header.h:67
void WriteHtonU32(uint32_t data)
Definition: buffer.h:924
virtual uint32_t Deserialize(Buffer::Iterator start)
void SetSeq(uint32_t seq)
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:309
Time GetTs(void) const
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 uint32_t GetSerializedSize(void) const
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.