UDS to read data at the diagnostic server by passing the data ID (DID) More...

Inheritance diagram for application::helper::ReadDataByIdentifier:

Public Member Functions
	ReadDataByIdentifier (CurlWrapper *curl, std::string resourcesUrl)
	Constructor. More...

std::future< ara::diag::OperationOutput >	HandleMessage (const std::vector< uint8_t > &requestData, ara::diag::MetaInfo &metaInfo, ara::diag::CancellationHandler &&cancellationHandler) override
	Handle an UDS request message. More...

Public Member Functions inherited from ara::diag::routing::RoutableUdsService
uint8_t	GetSid () const noexcept
	Get SID. More...

ara::core::Result< void >	Offer ()
	Offer handling DM requests. More...

bool	IsOffered () const noexcept
	Get offering status of the service. More...

void	StopOffer () noexcept
	Stop offering request handling.

Additional Inherited Members
Static Public Attributes inherited from ara::diag::routing::RoutableUdsService
static const uint8_t	cNegativeResponseCodeSid {0x7f}
	Negative response code service ID.

Protected Member Functions inherited from ara::diag::routing::RoutableUdsService
	RoutableUdsService (const ara::core::InstanceSpecifier &specifier, uint8_t sid) noexcept
	Constructor. More...

void	GenerateNegativeResponse (OperationOutput &response, uint8_t nrc) const
	Generate a negative response with a specific NRC. More...

template<class T >
bool	TryExtractValue (MetaInfo &metaInfo, std::string key, T &value) const
	Try to extract a value from the given meta-info. More...

Protected Attributes inherited from ara::diag::routing::RoutableUdsService
const uint8_t	cSubFunctionNotSupported {0x12}
	Unsupported sub-function NRC.

const uint8_t	cIncorrectMessageLength {0x13}
	Incorrect message length NRC.

const uint8_t	cRequestSequenceError {0x24}
	Incorrect request sequence NRC.

Static Protected Attributes inherited from ara::diag::routing::RoutableUdsService
static const uint8_t	cPositiveResponseSidIncrement {0x40}
	SID increment for a positive response.

Detailed Description

UDS to read data at the diagnostic server by passing the data ID (DID)

Constructor & Destructor Documentation

application::helper::ReadDataByIdentifier::ReadDataByIdentifier	(	CurlWrapper *	curl,
		std::string	resourcesUrl
	)

Constructor.

Parameters

curl	Configured CURL instance for RESTful communication
resourcesUrl	Connected vehicle resources access RESTful URL

std::future< ara::diag::OperationOutput > application::helper::ReadDataByIdentifier::HandleMessage	(	const std::vector< uint8_t > &	requestData,
		ara::diag::MetaInfo &	metaInfo,
		ara::diag::CancellationHandler &&	cancellationHandler
	)

overridevirtual

Handle an UDS request message.

Parameters

requestData	Request message byte array
metaInfo	Request message metainfo
cancellationHandler	Callback to be invoked when the current conversation is cancelled