Packet header to carry sequence number and two timestamps. More...

#include "seq-ts-echo-header.h"

Inheritance diagram for ns3::SeqTsEchoHeader:

Collaboration diagram for ns3::SeqTsEchoHeader:

Public Member Functions
	SeqTsEchoHeader ()
	constructor

uint32_t	Deserialize (Buffer::Iterator start) override

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

uint32_t	GetSeq () const

uint32_t	GetSerializedSize () const override

Time	GetTsEchoReply () const

Time	GetTsValue () const

void	Print (std::ostream &os) const override

void	Serialize (Buffer::Iterator start) const override

void	SetSeq (uint32_t seq)

void	SetTsEchoReply (Time ts)
	Upon SeqTsEchoHeader reception, the host answers via echoing back the received timestamp.

void	SetTsValue (Time ts)
	Set the sender's time value.

Public Member Functions inherited from ns3::Header
	~Header () override

virtual uint32_t	Deserialize (Buffer::Iterator start, Buffer::Iterator end)
	Deserialize the object from a buffer iterator.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value, bool permissive=false) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Header
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Chunk
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Private Attributes
uint32_t	m_seq
	Sequence number.

Time	m_tsEchoReply
	Receiver's timestamp.

Time	m_tsValue
	Sender's timestamp.

Additional Inherited Members
Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Related Symbols inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

Packet header to carry sequence number and two timestamps.

The header is made of a 32bits sequence number followed by two 64bits time stamps (Transmit and Receive).

Definition at line 26 of file seq-ts-echo-header.h.

Constructor & Destructor Documentation

◆ SeqTsEchoHeader()

ns3::SeqTsEchoHeader::SeqTsEchoHeader ( )

constructor

Definition at line 24 of file seq-ts-echo-header.cc.

References NS_LOG_FUNCTION.

Member Function Documentation

◆ Deserialize()

uint32_t ns3::SeqTsEchoHeader::Deserialize ( Buffer::Iterator start )

overridevirtual

Parameters

start an iterator which points to where the header should read from.

Returns: the number of bytes read.

This method is used by Packet::RemoveHeader to re-create a header from the byte buffer of a packet. The data read is expected to match bit-for-bit the representation of this header in real networks.

Note that data is not actually removed from the buffer to which the iterator points. Both Packet::RemoveHeader() and Packet::PeekHeader() call Deserialize(), but only the RemoveHeader() has additional statements to remove the header bytes from the underlying buffer and associated metadata.

Implements ns3::Header.

Definition at line 116 of file seq-ts-echo-header.cc.

References GetSerializedSize(), m_seq, m_tsEchoReply, m_tsValue, NS_LOG_FUNCTION, ns3::Buffer::Iterator::ReadNtohU32(), and ns3::Buffer::Iterator::ReadNtohU64().

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◆ GetInstanceTypeId()

TypeId ns3::SeqTsEchoHeader::GetInstanceTypeId ( ) const

overridevirtual

Get the most derived TypeId for this Object.

This method is typically implemented by ns3::Object::GetInstanceTypeId but some classes which derive from ns3::ObjectBase directly have to implement it themselves.

Returns: The TypeId associated to the most-derived type of this instance.

Implements ns3::ObjectBase.

Definition at line 85 of file seq-ts-echo-header.cc.

References GetTypeId().

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◆ GetSeq()

uint32_t ns3::SeqTsEchoHeader::GetSeq ( ) const

Returns: the sequence number

Definition at line 40 of file seq-ts-echo-header.cc.

References m_seq, and NS_LOG_FUNCTION.

◆ GetSerializedSize()

uint32_t ns3::SeqTsEchoHeader::GetSerializedSize ( ) const

overridevirtual

Returns: the expected size of the header.

This method is used by Packet::AddHeader to store a header into the byte buffer of a packet. This method should return the number of bytes which are needed to store the full header data by Serialize.

Implements ns3::Header.

Definition at line 99 of file seq-ts-echo-header.cc.

References NS_LOG_FUNCTION.

Referenced by Deserialize().

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◆ GetTsEchoReply()

Time ns3::SeqTsEchoHeader::GetTsEchoReply ( ) const

Returns: A time value echoing the received timestamp

Definition at line 68 of file seq-ts-echo-header.cc.

References m_tsEchoReply, and NS_LOG_FUNCTION.

◆ GetTsValue()

Time ns3::SeqTsEchoHeader::GetTsValue ( ) const

Returns: A time value set by the sender

Definition at line 54 of file seq-ts-echo-header.cc.

References m_tsValue, and NS_LOG_FUNCTION.

◆ GetTypeId()

TypeId ns3::SeqTsEchoHeader::GetTypeId ( )

static

Get the type ID.

Returns: the object TypeId

Definition at line 75 of file seq-ts-echo-header.cc.

References ns3::TypeId::SetParent().

Referenced by GetInstanceTypeId().

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◆ Print()

void ns3::SeqTsEchoHeader::Print ( std::ostream & os ) const

overridevirtual

Parameters

os output stream This method is used by Packet::Print to print the content of a header as ascii data to a c++ output stream. Although the header is free to format its output as it wishes, it is recommended to follow a few rules to integrate with the packet pretty printer: start with flags, small field values located between a pair of parens. Values should be separated by whitespace. Follow the parens with the important fields, separated by whitespace. i.e.: (field1 val1 field2 val2 field3 val3) field4 val4 field5 val5

Implements ns3::Header.

Definition at line 91 of file seq-ts-echo-header.cc.

References ns3::Time::As(), m_seq, m_tsEchoReply, m_tsValue, NS_LOG_FUNCTION, and ns3::Time::S.

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◆ Serialize()

void ns3::SeqTsEchoHeader::Serialize ( Buffer::Iterator start ) const

overridevirtual

Parameters

start an iterator which points to where the header should be written.

This method is used by Packet::AddHeader to store a header into the byte buffer of a packet. The data written is expected to match bit-for-bit the representation of this header in a real network.

Implements ns3::Header.

Definition at line 106 of file seq-ts-echo-header.cc.

References ns3::Time::GetTimeStep(), m_seq, m_tsEchoReply, m_tsValue, NS_LOG_FUNCTION, ns3::Buffer::Iterator::WriteHtonU32(), and ns3::Buffer::Iterator::WriteHtonU64().

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◆ SetSeq()

void ns3::SeqTsEchoHeader::SetSeq ( uint32_t seq )

Parameters

seq	the sequence number

Definition at line 33 of file seq-ts-echo-header.cc.

References m_seq, and NS_LOG_FUNCTION.

◆ SetTsEchoReply()

void ns3::SeqTsEchoHeader::SetTsEchoReply ( Time ts )

Upon SeqTsEchoHeader reception, the host answers via echoing back the received timestamp.

Parameters

ts	received timestamp. If not called, will contain 0

Definition at line 61 of file seq-ts-echo-header.cc.

References m_tsEchoReply, and NS_LOG_FUNCTION.

◆ SetTsValue()

void ns3::SeqTsEchoHeader::SetTsValue ( Time ts )

Set the sender's time value.

Parameters

ts	Time value to set

Definition at line 47 of file seq-ts-echo-header.cc.

References m_tsValue, and NS_LOG_FUNCTION.

Member Data Documentation

◆ m_seq

uint32_t ns3::SeqTsEchoHeader::m_seq

private

Sequence number.

Definition at line 81 of file seq-ts-echo-header.h.

Referenced by Deserialize(), GetSeq(), Print(), Serialize(), and SetSeq().

◆ m_tsEchoReply

Time ns3::SeqTsEchoHeader::m_tsEchoReply

private

Receiver's timestamp.

Definition at line 83 of file seq-ts-echo-header.h.

Referenced by Deserialize(), GetTsEchoReply(), Print(), Serialize(), and SetTsEchoReply().

◆ m_tsValue

Time ns3::SeqTsEchoHeader::m_tsValue

private

Sender's timestamp.

Definition at line 82 of file seq-ts-echo-header.h.

Referenced by Deserialize(), GetTsValue(), Print(), Serialize(), and SetTsValue().

The documentation for this class was generated from the following files:

src/applications/model/seq-ts-echo-header.h
src/applications/model/seq-ts-echo-header.cc

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SeqTsEchoHeader()

Member Function Documentation

◆ Deserialize()

◆ GetInstanceTypeId()

◆ GetSeq()

◆ GetSerializedSize()

◆ GetTsEchoReply()

◆ GetTsValue()

◆ GetTypeId()

◆ Print()

◆ Serialize()

◆ SetSeq()

◆ SetTsEchoReply()

◆ SetTsValue()

Member Data Documentation

◆ m_seq

◆ m_tsEchoReply

◆ m_tsValue