A FIFO packet queue that drops tail-end packets on overflow. More...

#include <drop-tail-queue.h>

Inheritance diagram for ns3::DropTailQueue:

Collaboration diagram for ns3::DropTailQueue:

Public Member Functions
	DropTailQueue ()
	DropTailQueue Constructor.
virtual	~DropTailQueue ()
DropTailQueue::QueueMode	GetMode (void)
void	SetMode (DropTailQueue::QueueMode mode)
Public Member Functions inherited from ns3::Queue
	Queue ()
virtual	~Queue ()
Ptr< Packet >	Dequeue (void)
void	DequeueAll (void)
bool	Enqueue (Ptr< Packet > p)
uint32_t	GetNBytes (void) const
uint32_t	GetNPackets (void) const
uint32_t	GetTotalDroppedBytes (void) const
uint32_t	GetTotalDroppedPackets (void) const
uint32_t	GetTotalReceivedBytes (void) const
uint32_t	GetTotalReceivedPackets (void) const
bool	IsEmpty (void) const
Ptr< const Packet >	Peek (void) const
void	ResetStatistics (void)
Public Member Functions inherited from ns3::Object
	Object ()
virtual	~Object ()
void	AggregateObject (Ptr< Object > other)
void	Dispose (void)
AggregateIterator	GetAggregateIterator (void) const
virtual TypeId	GetInstanceTypeId (void) const
template<typename T >
Ptr< T >	GetObject (void) const
template<typename T >
Ptr< T >	GetObject (TypeId tid) const
void	Start (void)
Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	SimpleRefCount (const SimpleRefCount &o)
uint32_t	GetReferenceCount (void) const
SimpleRefCount &	operator= (const SimpleRefCount &o)
void	Ref (void) const
void	Unref (void) const
Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
void	GetAttribute (std::string name, AttributeValue &value) const
bool	GetAttributeFailSafe (std::string name, AttributeValue &attribute) const
void	SetAttribute (std::string name, const AttributeValue &value)
bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)

Static Public Member Functions
static TypeId	GetTypeId (void)
	This method returns the TypeId associated to ns3::DropTailQueue.

Private Member Functions
virtual Ptr< Packet >	DoDequeue (void)
virtual bool	DoEnqueue (Ptr< Packet > p)
virtual Ptr< const Packet >	DoPeek (void) const

Private Attributes
uint32_t	m_bytesInQueue
uint32_t	m_maxBytes
uint32_t	m_maxPackets
QueueMode	m_mode
std::queue< Ptr< Packet > >	m_packets

Additional Inherited Members
Public Types inherited from ns3::Queue
enum	QueueMode { QUEUE_MODE_PACKETS, QUEUE_MODE_BYTES }
	Enumeration of the modes supported in the class. More...
Protected Member Functions inherited from ns3::Queue
void	Drop (Ptr< Packet > packet)

Detailed Description

A FIFO packet queue that drops tail-end packets on overflow.

Definition at line 35 of file drop-tail-queue.h.

Constructor & Destructor Documentation

ns3::DropTailQueue::DropTailQueue ( )

DropTailQueue Constructor.

Creates a droptail queue with a maximum size of 100 packets by default

Definition at line 56 of file drop-tail-queue.cc.

References NS_LOG_FUNCTION_NOARGS.

ns3::DropTailQueue::~DropTailQueue ( )

virtual

Definition at line 64 of file drop-tail-queue.cc.

References NS_LOG_FUNCTION_NOARGS.

Member Function Documentation

Ptr< Packet > ns3::DropTailQueue::DoDequeue ( void )

privatevirtual

Definition at line 112 of file drop-tail-queue.cc.

References ns3::Packet::GetSize(), m_bytesInQueue, m_packets, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

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bool ns3::DropTailQueue::DoEnqueue ( Ptr< Packet > p )

privatevirtual

Definition at line 84 of file drop-tail-queue.cc.

References ns3::Queue::Drop(), ns3::Packet::GetSize(), m_bytesInQueue, m_maxBytes, m_maxPackets, m_mode, m_packets, NS_LOG_FUNCTION, NS_LOG_LOGIC, ns3::Queue::QUEUE_MODE_BYTES, and ns3::Queue::QUEUE_MODE_PACKETS.

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Ptr< const Packet > ns3::DropTailQueue::DoPeek ( void ) const

privatevirtual

Definition at line 135 of file drop-tail-queue.cc.

References m_bytesInQueue, m_packets, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

DropTailQueue::QueueMode ns3::DropTailQueue::GetMode ( void )

Get the encapsulation mode of this device.

Returns: The encapsulation mode of this device.

Definition at line 77 of file drop-tail-queue.cc.

References m_mode, and NS_LOG_FUNCTION_NOARGS.

TypeId ns3::DropTailQueue::GetTypeId ( void )

static

This method returns the TypeId associated to ns3::DropTailQueue.

This object is accessible through the following paths with Config::Set and Config::Connect:

/NodeList/[i]/DeviceList/[i]/$ns3::AlohaNoackNetDevice/Queue/$ns3::DropTailQueue
/NodeList/[i]/DeviceList/[i]/$ns3::CsmaNetDevice/TxQueue/$ns3::DropTailQueue
/NodeList/[i]/DeviceList/[i]/$ns3::EmuNetDevice/TxQueue/$ns3::DropTailQueue
/NodeList/[i]/DeviceList/[i]/$ns3::PointToPointNetDevice/TxQueue/$ns3::DropTailQueue

Attributes defined for this type:

Mode: Whether to use bytes (see MaxBytes) or packets (see MaxPackets) as the maximum queue size metric.
- Set with class: ns3::EnumValue
- Underlying type: QUEUE_MODE_BYTES|QUEUE_MODE_PACKETS
- Initial value: QUEUE_MODE_PACKETS
- Flags: construct write
MaxPackets: The maximum number of packets accepted by this DropTailQueue.
- Set with class: ns3::UintegerValue
- Underlying type: uint32_t 0:4294967295
- Initial value: 100
- Flags: construct write read
MaxBytes: The maximum number of bytes accepted by this DropTailQueue.
- Set with class: ns3::UintegerValue
- Underlying type: uint32_t 0:4294967295
- Initial value: 6553500
- Flags: construct write read