Error model which drop packets with specified TCP flags. More...

#include "tcp-error-model.h"

Inheritance diagram for ns3::TcpFlagErrorModel:

Collaboration diagram for ns3::TcpFlagErrorModel:

Public Member Functions
	TcpFlagErrorModel ()

void	SetFlagToKill (TcpHeader::Flags_t flags)
	Set the flags of the segment that should be killed.

void	SetKillRepeat (int16_t killNumber)
	Set how many packets should be killed.

Public Member Functions inherited from ns3::TcpGeneralErrorModel
	TcpGeneralErrorModel ()

void	SetDropCallback (Callback< void, const Ipv4Header &, const TcpHeader &, Ptr< const Packet > > cb)
	Set the drop callback.

Public Member Functions inherited from ns3::ErrorModel
	ErrorModel ()

	~ErrorModel () override

void	Disable ()
	Disable the error model.

void	Enable ()
	Enable the error model.

bool	IsCorrupt (Ptr< Packet > pkt)
	Note: Depending on the error model, this function may or may not alter the contents of the packet upon returning true.

bool	IsEnabled () const

void	Reset ()
	Reset any state associated with the error model.

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor.

	~Object () override
	Destructor.

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together.

void	Dispose ()
	Dispose of this Object.

AggregateIterator	GetAggregateIterator () const
	Get an iterator to the Objects aggregated to this one.

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

template<typename T >
Ptr< T >	GetObject () const
	Get a pointer to the requested aggregated Object.

template<>
Ptr< Object >	GetObject () const
	Specialization of () for objects of type ns3::Object.

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId.

template<>
Ptr< Object >	GetObject (TypeId tid) const
	Specialization of (TypeId tid) for objects of type ns3::Object.

void	Initialize ()
	Invoke DoInitialize on all Objects aggregated to this one.

bool	IsInitialized () const
	Check if the object has been initialized.

void	UnidirectionalAggregateObject (Ptr< Object > other)
	Aggregate an Object to another Object.

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor.

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.

uint32_t	GetReferenceCount () const
	Get the reference count of the object.

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.

void	Ref () const
	Increment the reference count.

void	Unref () const
	Decrement the reference count.

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::TcpGeneralErrorModel
static TypeId	GetTypeId ()
	Get the type ID.

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

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId ()
	Register this type.

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

Protected Member Functions
bool	ShouldDrop (const Ipv4Header &ipHeader, const TcpHeader &tcpHeader, uint32_t packetSize) override
	Check if the packet should be dropped.

Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object.

virtual void	DoDispose ()
	Destructor implementation.

virtual void	DoInitialize ()
	Initialize() implementation.

virtual void	NotifyNewAggregate ()
	Notify all Objects aggregated to this one of a new Object being aggregated.

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.

Protected Attributes
TcpHeader::Flags_t	m_flagsToKill
	Flags a packet should have to be dropped.

int16_t	m_killNumber
	The number of times the packet should be killed.

Private Member Functions
void	DoReset () override
	Re-initialize any state.

Additional Inherited Members
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

Error model which drop packets with specified TCP flags.

Set the flags with SetFlagToKill and the number of the packets with such flags which should be killed.

See also: SetFlagToKill; SetKillRepeat

Definition at line 121 of file tcp-error-model.h.

Constructor & Destructor Documentation

◆ TcpFlagErrorModel()

ns3::TcpFlagErrorModel::TcpFlagErrorModel ( )

Definition at line 113 of file tcp-error-model.cc.

Member Function Documentation

◆ DoReset()

void ns3::TcpFlagErrorModel::DoReset ( )

overrideprivatevirtual

Re-initialize any state.

Implements ns3::ErrorModel.

Definition at line 149 of file tcp-error-model.cc.

References m_flagsToKill, m_killNumber, and ns3::TcpHeader::NONE.

◆ GetTypeId()

TypeId ns3::TcpFlagErrorModel::GetTypeId ( )

static

Get the type ID.

Returns: the object TypeId

Definition at line 105 of file tcp-error-model.cc.

References ns3::TypeId::SetParent().

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◆ SetFlagToKill()

void ns3::TcpFlagErrorModel::SetFlagToKill ( TcpHeader::Flags_t flags )

inline

Set the flags of the segment that should be killed.

Parameters

flags Flags

Definition at line 136 of file tcp-error-model.h.

References m_flagsToKill.

◆ SetKillRepeat()

void ns3::TcpFlagErrorModel::SetKillRepeat ( int16_t killNumber )

inline

Set how many packets should be killed.

If the flags are the same, this specified the numbers of drops:

-1 for infinite drops

0 for no drops

>1 the number of drops

Parameters

killNumber Specifies the number of times the packet should be killed

Definition at line 152 of file tcp-error-model.h.

References m_killNumber.

◆ ShouldDrop()

bool ns3::TcpFlagErrorModel::ShouldDrop	(	const Ipv4Header &	ipHeader,
		const TcpHeader &	tcpHeader,
		uint32_t	packetSize )

overrideprotectedvirtual

Check if the packet should be dropped.

Parameters

ipHeader	The packet IPv4 header.
tcpHeader	The packet TCP header.
packetSize	The packet size.

Returns: True if the packet should be dropped.

Implements ns3::TcpGeneralErrorModel.

Definition at line 121 of file tcp-error-model.cc.

References ns3::TcpHeader::GetFlags(), m_flagsToKill, m_killNumber, and NS_LOG_FUNCTION.

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Member Data Documentation

◆ m_flagsToKill

TcpHeader::Flags_t ns3::TcpFlagErrorModel::m_flagsToKill

protected

Flags a packet should have to be dropped.

Definition at line 163 of file tcp-error-model.h.

Referenced by DoReset(), SetFlagToKill(), and ShouldDrop().

◆ m_killNumber

int16_t ns3::TcpFlagErrorModel::m_killNumber

protected

The number of times the packet should be killed.

Definition at line 164 of file tcp-error-model.h.

Referenced by DoReset(), SetKillRepeat(), and ShouldDrop().

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

src/internet/test/tcp-error-model.h
src/internet/test/tcp-error-model.cc

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TcpFlagErrorModel()

Member Function Documentation

◆ DoReset()

◆ GetTypeId()

◆ SetFlagToKill()

◆ SetKillRepeat()

-1 for infinite drops

0 for no drops

>1 the number of drops

◆ ShouldDrop()

Member Data Documentation

◆ m_flagsToKill

◆ m_killNumber