Represents a negative acknowledgment message in response to a DiagnosticMessage. More...

#include <DoIpLayer.h>

Inheritance diagram for pcpp::DoIpDiagnosticMessageNack:

Public Member Functions
	DoIpDiagnosticMessageNack (uint8_t data, size_t dataLen, Layer prevLayer, Packet *packet)
	Constructs a DiagnosticNackMessage from raw packet data. More...

	DoIpDiagnosticMessageNack (uint16_t sourceAddress, uint16_t targetAddress, DoIpDiagnosticMessageNackCodes nackCode)
	Constructs a DiagnosticNackMessage from specified field values. More...

DoIpDiagnosticMessageNackCodes	getNackCode () const
	Gets the negative acknowledgment code. More...

void	setNackCode (DoIpDiagnosticMessageNackCodes code)
	Sets the negative acknowledgment code. More...

std::string	getSummary () const override
	Returns a human-readable summary of the message.

DoIpPayloadTypes	getPayloadType () const override
	Returns the DoIP payload type.

Public Member Functions inherited from pcpp::DoIpDiagnosticResponseMessageBase
uint8_t	getResponseCode () const
	Gets the acknowledgment/nack code (1-byte). More...

void	setResponseCode (uint8_t code)
	Sets the acknowledgment/nack code (1-byte). More...

std::vector< uint8_t >	getPreviousMessage () const
	Gets the optional previously echoed diagnostic message. More...

bool	hasPreviousMessage () const
	Checks if a previous message is attached. More...

void	setPreviousMessage (const std::vector< uint8_t > &msg)
	Sets the previous echoed diagnostic message. More...

void	clearPreviousMessage ()
	Clears the previously stored diagnostic message.

Public Member Functions inherited from pcpp::DoIpDiagnosticBase
uint16_t	getSourceAddress () const
	Gets the source logical address of the message. More...

void	setSourceAddress (uint16_t sourceAddress)
	Sets the source logical address. More...

uint16_t	getTargetAddress () const
	Gets the target logical address of the message. More...

void	setTargetAddress (uint16_t targetAddress)
	Sets the target logical address. More...

Public Member Functions inherited from pcpp::DoIpLayer
std::string	getPayloadTypeAsStr () const

DoIpProtocolVersion	getProtocolVersion () const

std::string	getProtocolVersionAsStr () const

void	setProtocolVersion (DoIpProtocolVersion version)

void	setProtocolVersion (uint8_t rawVersion)

uint8_t	getInvertProtocolVersion () const

void	setInvertProtocolVersion (uint8_t iVersion)

uint32_t	getPayloadLength () const

void	setPayloadLength (uint32_t length)

void	parseNextLayer () override
	parse UDS layer

size_t	getHeaderLen () const override

std::string	toString () const override

void	computeCalculateFields () override
	Each layer can compute field values automatically using this method. This is an abstract method.

OsiModelLayer	getOsiModelLayer () const override

Public Member Functions inherited from pcpp::Layer
	~Layer () override

Layer *	getNextLayer () const

Layer *	getPrevLayer () const

ProtocolType	getProtocol () const

bool	isMemberOfProtocolFamily (ProtocolTypeFamily protocolTypeFamily) 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 override

Additional Inherited Members
Static Public Member Functions inherited from pcpp::DoIpDiagnosticResponseMessageBase
static bool	isDataLenValid (size_t dataLen)
	Checks if data length is valid. More...

Static Public Member Functions inherited from pcpp::DoIpLayer
static DoIpLayer *	parseDoIpLayer (uint8_t data, size_t dataLen, Layer prevLayer, Packet *packet)

static bool	isDoIpPort (uint16_t port)

static bool	isDataValid (uint8_t *data, size_t dataLen)

Protected Member Functions inherited from pcpp::Layer
template<typename T , typename... Args>
Layer *	constructNextLayer (uint8_t data, size_t dataLen, Packet packet, Args &&... extraArgs)

template<typename T , typename TFallback , typename... Args>
Layer *	tryConstructNextLayerWithFallback (uint8_t data, size_t dataLen, Packet packet, Args &&... extraArgs)

Static Protected Member Functions inherited from pcpp::Layer
template<typename T >
static bool	canReinterpretAs (const uint8_t *data, size_t dataLen)
	Check if the data is large enough to reinterpret as a type. More...

Detailed Description

Represents a negative acknowledgment message in response to a DiagnosticMessage.

This message is sent by a DoIP node when a diagnostic message is received but could not be processed successfully. It may include the original message for reference.

Constructor & Destructor Documentation

◆ DoIpDiagnosticMessageNack() [1/2]

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

Constructs a DiagnosticNackMessage from raw packet data.

Parameters

[in]	data	Pointer to the raw payload data.
[in]	dataLen	Length of the data buffer.
[in]	prevLayer	Pointer to the previous protocol layer.
[in]	packet	Pointer to the parent packet.

◆ DoIpDiagnosticMessageNack() [2/2]

pcpp::DoIpDiagnosticMessageNack::DoIpDiagnosticMessageNack	(	uint16_t	sourceAddress,
		uint16_t	targetAddress,
		DoIpDiagnosticMessageNackCodes	nackCode
	)

Constructs a DiagnosticNackMessage from specified field values.

Parameters

[in]	sourceAddress	Address of the sending ECU.
[in]	targetAddress	Address of the receiving ECU.
[in]	nackCode	Negative acknowledgment code describing the failure.

Member Function Documentation

◆ getNackCode()

DoIpDiagnosticMessageNackCodes pcpp::DoIpDiagnosticMessageNack::getNackCode ( ) const

Gets the negative acknowledgment code.

Returns: enum DoIpDiagnosticMessageNackCodes describing the negative acknowledgment code.

◆ setNackCode()

void pcpp::DoIpDiagnosticMessageNack::setNackCode ( DoIpDiagnosticMessageNackCodes code )

Sets the negative acknowledgment code.

Parameters

[in] code enum DoIpDiagnosticMessageNackCodes describing the negative acknowledgment code.

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DoIpDiagnosticMessageNack() [1/2]

◆ DoIpDiagnosticMessageNack() [2/2]

Member Function Documentation

◆ getNackCode()

◆ setNackCode()