pcpp::StpConfigurationBPDULayer Class Reference

#include <StpLayer.h>

Inheritance diagram for pcpp::StpConfigurationBPDULayer:

Public Member Functions
	StpConfigurationBPDULayer (uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
	StpConfigurationBPDULayer ()
stp_conf_bpdu *	getStpConfHeader () const
uint8_t	getFlag () const
void	setFlag (uint8_t value)
uint64_t	getRootId () const
void	setRootId (uint64_t value)
uint16_t	getRootPriority () const
void	setRootPriority (uint16_t value)
uint16_t	getRootSystemIDExtension () const
void	setRootSystemIDExtension (uint16_t value)
pcpp::MacAddress	getRootSystemID () const
void	setRootSystemID (const pcpp::MacAddress &value)
uint32_t	getPathCost () const
void	setPathCost (uint32_t value)
uint64_t	getBridgeId () const
void	setBridgeId (uint64_t value)
uint16_t	getBridgePriority () const
void	setBridgePriority (uint16_t value)
uint16_t	getBridgeSystemIDExtension () const
void	setBridgeSystemIDExtension (uint16_t value)
pcpp::MacAddress	getBridgeSystemID () const
void	setBridgeSystemID (const pcpp::MacAddress &value)
uint16_t	getPortId () const
void	setPortId (uint16_t value)
double	getMessageAge () const
void	setMessageAge (double value)
double	getMaximumAge () const
void	setMaximumAge (double value)
double	getTransmissionInterval () const
void	setTransmissionInterval (double value)
double	getForwardDelay () const
void	setForwardDelay (double value)
size_t	getHeaderLen () const
void	parseNextLayer ()
	Parses next layer.
std::string	toString () const
Public Member Functions inherited from pcpp::StpTopologyChangeBPDULayer
	StpTopologyChangeBPDULayer (uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
	StpTopologyChangeBPDULayer ()
stp_tcn_bpdu *	getStpTcnHeader ()
Public Member Functions inherited from pcpp::StpLayer
stp_header *	getStpHeader () const
uint16_t	getProtoId () const
void	setProtoId (uint16_t value)
uint8_t	getVersion () const
void	setVersion (uint8_t value)
uint8_t	getType () const
void	setType (uint8_t value)
void	computeCalculateFields ()
	Does nothing for this layer.
OsiModelLayer	getOsiModelLayer () const
Public Member Functions inherited from pcpp::Layer
virtual	~Layer ()
Layer *	getNextLayer () const
Layer *	getPrevLayer () const
ProtocolType	getProtocol () const
uint8_t *	getData () const
size_t	getDataLen () const
uint8_t *	getLayerPayload () const
size_t	getLayerPayloadSize () const
bool	isAllocatedToPacket () const
void	copyData (uint8_t *toArr) const
uint8_t *	getDataPtr (size_t offset=0) const

Static Public Member Functions
static bool	isDataValid (const uint8_t *data, size_t dataLen)
Static Public Member Functions inherited from pcpp::StpTopologyChangeBPDULayer
static bool	isDataValid (const uint8_t *data, size_t dataLen)
Static Public Member Functions inherited from pcpp::StpLayer
static bool	isDataValid (const uint8_t *data, size_t dataLen)
static StpLayer *	parseStpLayer (uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)

Additional Inherited Members
Static Public Attributes inherited from pcpp::StpLayer
static pcpp::MacAddress	StpMulticastDstMAC
	STP protocol uses "01:80:C2:00:00:00" multicast address as destination MAC.
static pcpp::MacAddress	StpUplinkFastMulticastDstMAC
	STP Uplink Fast protocol uses "01:00:0C:CD:CD:CD" as destination MAC.

Detailed Description

Represents configuration BPDU message of Spanning Tree Protocol

Constructor & Destructor Documentation

StpConfigurationBPDULayer() [1/2]

pcpp::StpConfigurationBPDULayer::StpConfigurationBPDULayer ( uint8_t *  data, size_t  dataLen, Layer *  prevLayer, Packet *  packet  )

inline

A constructor that creates the layer from an existing packet raw data

Parameters

[in]	data	A pointer to the raw data
[in]	dataLen	Size of the data in bytes
[in]	prevLayer	A pointer to the previous layer
[in]	packet	A pointer to the Packet instance where layer will be stored in

StpConfigurationBPDULayer() [2/2]

pcpp::StpConfigurationBPDULayer::StpConfigurationBPDULayer

(

)

Empty c'tor to create a new configuration BPDU layer. Initializes the protocol identifier, version and STP type fields with correct values

Member Function Documentation

getBridgeId()

uint64_t pcpp::StpConfigurationBPDULayer::getBridgeId

(

)

const

Returns the bridge identifier

Returns

Bridge identifier

getBridgePriority()

uint16_t pcpp::StpConfigurationBPDULayer::getBridgePriority

(

)

const

Returns the priority of bridge

Returns

Priority of bridge

getBridgeSystemID()

pcpp::MacAddress pcpp::StpConfigurationBPDULayer::getBridgeSystemID ( ) const

inline

Returns the system identifier of bridge

Returns

System identifier of bridge

getBridgeSystemIDExtension()

uint16_t pcpp::StpConfigurationBPDULayer::getBridgeSystemIDExtension

(

)

const

Returns the system identifier extension of bridge

Returns

System extension of bridge

getFlag()

uint8_t pcpp::StpConfigurationBPDULayer::getFlag ( ) const

inline

Returns the flags of configuration message which indicates purpose of BPDU

Returns

Flags of the configuration message

getForwardDelay()

double pcpp::StpConfigurationBPDULayer::getForwardDelay

(

)

const

Returns the delay for STP message

Returns

Value of the forward delay in seconds

getHeaderLen()

size_t pcpp::StpConfigurationBPDULayer::getHeaderLen ( ) const

inlinevirtual

Returns

The size of STP configuration BPDU message

Reimplemented from pcpp::StpTopologyChangeBPDULayer.

Reimplemented in pcpp::RapidStpLayer.

getMaximumAge()

double pcpp::StpConfigurationBPDULayer::getMaximumAge

(

)

const

Returns maximum age of the BPDU message

Returns

Maximum age of BPDU in seconds

getMessageAge()

double pcpp::StpConfigurationBPDULayer::getMessageAge

(

)

const

Returns age of the BPDU message

Returns

Age of BPDU in seconds

getPathCost()

uint32_t pcpp::StpConfigurationBPDULayer::getPathCost

(

)

const

Returns the value of the cost of path

Returns

Cost of path

getPortId()

uint16_t pcpp::StpConfigurationBPDULayer::getPortId

(

)

const

Returns the port identifier

Returns

Port identifier

getRootId()

uint64_t pcpp::StpConfigurationBPDULayer::getRootId

(

)

const

Returns the root bridge identifier

Returns

Root bridge identifier

getRootPriority()

uint16_t pcpp::StpConfigurationBPDULayer::getRootPriority

(

)

const

Returns the priority of root bridge

Returns

Priority of root bridge

getRootSystemID()

pcpp::MacAddress pcpp::StpConfigurationBPDULayer::getRootSystemID ( ) const

inline

Returns the system identifier of root bridge

Returns

System identifier of root bridge

getRootSystemIDExtension()

uint16_t pcpp::StpConfigurationBPDULayer::getRootSystemIDExtension

(

)

const

Returns the system identifier extension of root bridge

Returns

System extension of root bridge

getStpConfHeader()

stp_conf_bpdu* pcpp::StpConfigurationBPDULayer::getStpConfHeader ( ) const

inline

Get a pointer to configuration BPDU message

Returns

A pointer to configuration BPDU message

getTransmissionInterval()

double pcpp::StpConfigurationBPDULayer::getTransmissionInterval

(

)

const

Returns the BPDU transmission interval

Returns

Value of the transmission interval in seconds

isDataValid()

static bool pcpp::StpConfigurationBPDULayer::isDataValid ( const uint8_t *  data, size_t  dataLen  )

inlinestatic

A static method that validates the input data

Parameters

[in]	data	The pointer to the beginning of a byte stream of an Spanning Tree Configuration BPDU packet
[in]	dataLen	The length of the byte stream

Returns

True if the data is valid and can represent an Spanning Tree packet

setBridgeId()

void pcpp::StpConfigurationBPDULayer::setBridgeId

(

uint64_t

value

)

Sets the bridge identifier

Parameters

[in]

value

Bridge identifier

setBridgePriority()

void pcpp::StpConfigurationBPDULayer::setBridgePriority

(

uint16_t

value

)

Sets the priority of bridge

Parameters

[in]

value

Priority of bridge

setBridgeSystemID()

void pcpp::StpConfigurationBPDULayer::setBridgeSystemID

(

const pcpp::MacAddress &

value

)

Sets the system identifier of bridge

Parameters

[in]

value

System identifier of bridge

setBridgeSystemIDExtension()

void pcpp::StpConfigurationBPDULayer::setBridgeSystemIDExtension

(

uint16_t

value

)

Sets the system identifier extension of bridge

Parameters

[in]

value

System extension of bridge

setFlag()

void pcpp::StpConfigurationBPDULayer::setFlag ( uint8_t  value )

inline

Returns the flags of configuration message which indicates purpose of BPDU

Parameters

[in]

value

Flags of the configuration message

setForwardDelay()

void pcpp::StpConfigurationBPDULayer::setForwardDelay

(

double

value

)

Sets the delay for STP message

Parameters

[in]

value

Value of the forward delay in seconds

setMaximumAge()

void pcpp::StpConfigurationBPDULayer::setMaximumAge

(

double

value

)

Sets maximum age of the BPDU message

Parameters

[in]

value

Maximum age of BPDU in seconds

setMessageAge()

void pcpp::StpConfigurationBPDULayer::setMessageAge

(

double

value

)

Sets age of the BPDU message

Parameters

[in]

value

Age of BPDU in seconds

setPathCost()

void pcpp::StpConfigurationBPDULayer::setPathCost

(

uint32_t

value

)

Sets the value of the cost of path

Parameters

[in]

value

Cost of path

setPortId()

void pcpp::StpConfigurationBPDULayer::setPortId

(

uint16_t

value

)

Sets the port identifier

Parameters

[in]

value

Port identifier

setRootId()

void pcpp::StpConfigurationBPDULayer::setRootId

(

uint64_t

value

)

Sets the root bridge identifier

Parameters

[in]

value

Root bridge identifier

setRootPriority()

void pcpp::StpConfigurationBPDULayer::setRootPriority

(

uint16_t

value

)

Sets the priority of root bridge

Parameters

[in]

value

Priority of root bridge

setRootSystemID()

void pcpp::StpConfigurationBPDULayer::setRootSystemID

(

const pcpp::MacAddress &

value

)

Sets the system identifier of root bridge

Parameters

[in]

value

System identifier of root bridge

setRootSystemIDExtension()

void pcpp::StpConfigurationBPDULayer::setRootSystemIDExtension

(

uint16_t

value

)

Sets the system identifier extension of root bridge

Parameters

[in]

value

System extension of root bridge

setTransmissionInterval()

void pcpp::StpConfigurationBPDULayer::setTransmissionInterval

(

double

value

)

Sets the BPDU transmission interval

Parameters

[in]

value

Value of the transmission interval in seconds

toString()

std::string pcpp::StpConfigurationBPDULayer::toString ( ) const

inlinevirtual

Returns

Returns the protocol info as readable string

Reimplemented from pcpp::StpTopologyChangeBPDULayer.

Reimplemented in pcpp::MultipleStpLayer, and pcpp::RapidStpLayer.