BT Core Spec v5.2: Vol 3, Part F ATT: 3.4.2.1 ATT_EXCHANGE_MTU_REQ BT Core Spec v5.2: Vol 3, Part F ATT: 3.4.2.2 ATT_EXCHANGE_MTU_RSP. More...

#include <ATTPDUTypes.hpp>

Inheritance diagram for direct_bt::AttExchangeMTU:

Collaboration diagram for direct_bt::AttExchangeMTU:

Public Member Functions
	AttExchangeMTU (const ReqRespType type, const uint16_t mtuSize)

	AttExchangeMTU (const uint8_t *source, const jau::nsize_t length)

constexpr uint16_t	getMTUSize () const noexcept

std::string	getName () const noexcept override

constexpr_cxx20 jau::nsize_t	getPDUValueOffset () const noexcept override
	opcode + mtu-size More...

Public Member Functions inherited from direct_bt::AttPDUMsg
	AttPDUMsg (AttPDUMsg &&o) noexcept=default

	AttPDUMsg (const AttPDUMsg &o)=default

	AttPDUMsg (const Opcode opc, const jau::nsize_t size)
	Persistent memory, w/ ownership . More...

	AttPDUMsg (const uint8_t *source, const jau::nsize_t size)
	Persistent memory, w/ ownership . More...

virtual	~AttPDUMsg () noexcept=default

constexpr jau::nsize_t	getAuthSigSize () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

constexpr_cxx20 jau::nsize_t	getMaxPDUValueSize (const jau::nsize_t mtu) const noexcept
	Returns the theoretical maximum value size of a PDU's attribute value. More...

virtual std::string	getName () const noexcept

constexpr bool	getOpAuthSigFlag () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

constexpr Opcode	getOpcode () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

constexpr bool	getOpCommandFlag () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

constexpr Opcode	getOpMethod () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

constexpr_cxx20 jau::nsize_t	getPDUMinSize () const noexcept
	Returns this PDU's minimum size, i.e. More...

constexpr jau::nsize_t	getPDUParamSize () const noexcept
	ATT PDU Format Vol 3, Part F 3.3.1. More...

virtual constexpr_cxx20 jau::nsize_t	getPDUValueOffset () const noexcept
	Returns the octet offset to the value segment in this PDU including the mandatory opcode, i.e. More...

constexpr_cxx20 jau::nsize_t	getPDUValueSize () const noexcept
	Returns the net octet size of this PDU's attributes value, i.e. More...

AttPDUMsg &	operator= (AttPDUMsg &&o) noexcept=delete

AttPDUMsg &	operator= (const AttPDUMsg &o) noexcept=delete

virtual std::string	toString () const noexcept

Protected Member Functions
std::string	valueString () const noexcept override

Protected Member Functions inherited from direct_bt::AttPDUMsg
virtual std::string	baseString () const noexcept

void	check_range ()

void	checkOpcode (const Opcode exp1, const Opcode exp2) const

void	checkOpcode (const Opcode expected) const

virtual std::string	valueString () const noexcept

Additional Inherited Members
Public Types inherited from direct_bt::AttPDUMsg
enum class	Opcode : uint8_t { PDU_UNDEFINED = 0x00 , METHOD_MASK = 0x3F , COMMAND_FLAG = 0x40 , AUTH_SIGNATURE_FLAG = 0x80 , ERROR_RSP = 0x01 , EXCHANGE_MTU_REQ = 0x02 , EXCHANGE_MTU_RSP = 0x03 , FIND_INFORMATION_REQ = 0x04 , FIND_INFORMATION_RSP = 0x05 , FIND_BY_TYPE_VALUE_REQ = 0x06 , FIND_BY_TYPE_VALUE_RSP = 0x07 , READ_BY_TYPE_REQ = 0x08 , READ_BY_TYPE_RSP = 0x09 , READ_REQ = 0x0A , READ_RSP = 0x0B , READ_BLOB_REQ = 0x0C , READ_BLOB_RSP = 0x0D , READ_MULTIPLE_REQ = 0x0E , READ_MULTIPLE_RSP = 0x0F , READ_BY_GROUP_TYPE_REQ = 0x10 , READ_BY_GROUP_TYPE_RSP = 0x11 , WRITE_REQ = 0x12 , WRITE_RSP = 0x13 , WRITE_CMD = WRITE_REQ + COMMAND_FLAG , PREPARE_WRITE_REQ = 0x16 , PREPARE_WRITE_RSP = 0x17 , EXECUTE_WRITE_REQ = 0x18 , EXECUTE_WRITE_RSP = 0x19 , READ_MULTIPLE_VARIABLE_REQ = 0x20 , READ_MULTIPLE_VARIABLE_RSP = 0x21 , MULTIPLE_HANDLE_VALUE_NTF = 0x23 , HANDLE_VALUE_NTF = 0x1B , HANDLE_VALUE_IND = 0x1D , HANDLE_VALUE_CFM = 0x1E , SIGNED_WRITE_CMD = WRITE_REQ + COMMAND_FLAG + AUTH_SIGNATURE_FLAG }
	ATT Opcode Summary Vol 3, Part F 3.4.8. More...

enum class	OpcodeType : uint8_t { UNDEFINED = 0 , REQUEST = 1 , RESPONSE = 2 , NOTIFICATION = 3 , INDICATION = 4 }

enum class	ReqRespType : bool { REQUEST = true , RESPONSE = false }

Static Public Member Functions inherited from direct_bt::AttPDUMsg
static constexpr OpcodeType	get_type (const Opcode rhs) noexcept

static std::string	getOpcodeString (const Opcode opc) noexcept

static std::unique_ptr< const AttPDUMsg >	getSpecialized (const uint8_t *buffer, jau::nsize_t const buffer_size) noexcept
	Return a newly created specialized instance pointer to base class. More...

static constexpr bool	is_request (const ReqRespType rhs) noexcept

static constexpr uint8_t	number (const Opcode rhs) noexcept

Public Attributes inherited from direct_bt::AttPDUMsg
jau::POctets	pdu
	actual received PDU More...

const uint64_t	ts_creation
	creation timestamp in milliseconds More...

Detailed Description

BT Core Spec v5.2: Vol 3, Part F ATT: 3.4.2.1 ATT_EXCHANGE_MTU_REQ BT Core Spec v5.2: Vol 3, Part F ATT: 3.4.2.2 ATT_EXCHANGE_MTU_RSP.

Used for

BT Core Spec v5.2: Vol 3, Part G GATT: 4.3.1 Exchange MTU (Server configuration)

Definition at line 777 of file ATTPDUTypes.hpp.

Constructor & Destructor Documentation

◆ AttExchangeMTU() [1/2]

direct_bt::AttExchangeMTU::AttExchangeMTU	(	const uint8_t *	source,
		const jau::nsize_t	length
	)

inline

Definition at line 780 of file ATTPDUTypes.hpp.

◆ AttExchangeMTU() [2/2]

direct_bt::AttExchangeMTU::AttExchangeMTU	(	const ReqRespType	type,
		const uint16_t	mtuSize
	)

inline

Definition at line 787 of file ATTPDUTypes.hpp.

Member Function Documentation

◆ getPDUValueOffset()

constexpr_cxx20 jau::nsize_t direct_bt::AttExchangeMTU::getPDUValueOffset ( ) const

inlineoverridevirtualnoexcept

opcode + mtu-size

Reimplemented from direct_bt::AttPDUMsg.

Definition at line 795 of file ATTPDUTypes.hpp.

◆ getMTUSize()

constexpr uint16_t direct_bt::AttExchangeMTU::getMTUSize ( ) const

inlineconstexprnoexcept

Definition at line 797 of file ATTPDUTypes.hpp.

Here is the caller graph for this function:

◆ getName()

std::string direct_bt::AttExchangeMTU::getName ( ) const

inlineoverridevirtualnoexcept

Reimplemented from direct_bt::AttPDUMsg.

Definition at line 799 of file ATTPDUTypes.hpp.

◆ valueString()

std::string direct_bt::AttExchangeMTU::valueString ( ) const

inlineoverrideprotectedvirtualnoexcept

Reimplemented from direct_bt::AttPDUMsg.

Definition at line 804 of file ATTPDUTypes.hpp.

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

api/direct_bt/ATTPDUTypes.hpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AttExchangeMTU() [1/2]

◆ AttExchangeMTU() [2/2]

Member Function Documentation

◆ getPDUValueOffset()

◆ getMTUSize()

◆ getName()

◆ valueString()