classic_protocol::Codec< session_track::Field > Class Reference

codec for session-track's Field. More...

#include <classic_protocol_codec_session_track.h>

Inheritance diagram for classic_protocol::Codec< session_track::Field >:

Public Types
using	value_type = session_track::Field
using	__base = impl::EncodeBase< Codec< value_type > >

Public Member Functions
	Codec (value_type v, capabilities::value_type caps)
Public Member Functions inherited from classic_protocol::impl::EncodeBase< Codec< session_track::Field > >
constexpr	EncodeBase (capabilities::value_type caps)
constexpr size_t	size () const noexcept
stdx::expected< size_t, std::error_code >	encode (const net::mutable_buffer &buffer) const
constexpr capabilities::value_type	caps () const noexcept

Static Public Member Functions
template<class ConstBufferSequence >
static stdx::expected< std::pair< size_t, value_type >, std::error_code >	decode (const ConstBufferSequence &buffers, capabilities::value_type caps)
	decode a session_track::Field from a buffer-sequence. More...

Public Attributes
friend	__base

Private Member Functions
template<class Accumulator >
auto	accumulate_fields (Accumulator &&accu) const

Private Attributes
const value_type	v_

Detailed Description

codec for session-track's Field.

sent as part of a server::Ok and server::Eof message.

• FixedInt<1> type
• VarString data

data is encoded according type:

• 0x00 session_track::SystemVariable
• 0x01 session_track::Schema
• 0x02 session_track::StateChanged
• 0x03 session_track::Gtid
• 0x04 session_track::TransactionCharacteristics
• 0x05 session_track::TransactionState

Member Typedef Documentation

__base

using classic_protocol::Codec< session_track::Field >::__base = impl::EncodeBase<Codec<value_type> >

value_type

using classic_protocol::Codec< session_track::Field >::value_type = session_track::Field

Constructor & Destructor Documentation

Codec()

classic_protocol::Codec< session_track::Field >::Codec ( value_type  v, capabilities::value_type  caps  )

inline

Member Function Documentation

accumulate_fields()

template<class Accumulator >

auto classic_protocol::Codec< session_track::Field >::accumulate_fields ( Accumulator &&  accu ) const

inlineprivate

decode()

template<class ConstBufferSequence >

static stdx::expected< std::pair< size_t, value_type >, std::error_code > classic_protocol::Codec< session_track::Field >::decode ( const ConstBufferSequence &  buffers, capabilities::value_type  caps  )

inlinestatic

decode a session_track::Field from a buffer-sequence.

Parameters

buffers	input buffser sequence
caps	protocol capabilities

Return values

std::pair<size_t,session_track::Field>	on success, with bytes processed
codec_errc::not_enough_input	not enough data to parse the whole message

Member Data Documentation

__base

friend classic_protocol::Codec< session_track::Field >::__base

v_

const value_type classic_protocol::Codec< session_track::Field >::v_

private

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

• router/src/mysql_protocol/include/mysqlrouter/classic_protocol_codec_session_track.h