QueryForwarder Class Reference

#include <classic_query_forwarder.h>

Inheritance diagram for QueryForwarder:

Public Types
enum class	Stage {   Command , Connect , Connected , Response ,   ColumnCount , Column , ColumnEnd , RowOrEnd ,   Row , RowEnd , LoadData , Data ,   Ok , Error , Done }
Public Types inherited from BasicProcessor
enum class	Result {   Again , RecvFromClient , SendToClient , RecvFromServer ,   RecvFromBoth , SendToServer , SendableToServer , Suspend ,   Done , Void }

Public Member Functions
stdx::expected< Result, std::error_code >	process () override
void	stage (Stage stage)
Stage	stage () const
Public Member Functions inherited from Processor
	BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
Public Member Functions inherited from BasicProcessor
	BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
virtual	~BasicProcessor ()=default
const MysqlRoutingClassicConnectionBase *	connection () const
MysqlRoutingClassicConnectionBase *	connection ()

Private Member Functions
stdx::expected< Result, std::error_code >	command ()
stdx::expected< Result, std::error_code >	connect ()
stdx::expected< Result, std::error_code >	connected ()
stdx::expected< Result, std::error_code >	response ()
stdx::expected< Result, std::error_code >	load_data ()
stdx::expected< Result, std::error_code >	data ()
stdx::expected< Result, std::error_code >	column_count ()
stdx::expected< Result, std::error_code >	column ()
stdx::expected< Result, std::error_code >	column_end ()
stdx::expected< Result, std::error_code >	row_or_end ()
stdx::expected< Result, std::error_code >	row ()
stdx::expected< Result, std::error_code >	row_end ()
stdx::expected< Result, std::error_code >	ok ()
stdx::expected< Result, std::error_code >	error ()
stdx::expected< void, std::error_code >	track_session_changes (net::const_buffer session_trackers, classic_protocol::capabilities::value_type caps)

Private Attributes
stdx::flags< StmtClassifier >	stmt_classified_ {}
Stage	stage_ {Stage::Command}
uint64_t	columns_left_ {0}

Additional Inherited Members
Protected Member Functions inherited from ForwardingProcessor
stdx::expected< Result, std::error_code >	forward_server_to_client (bool noflush=false)
	forward the current packet from the server-side to the client-side. More...
stdx::expected< Result, std::error_code >	forward_client_to_server (bool noflush=false)
	forward the current packet from the client-side to the server-side. More...
stdx::expected< bool, std::error_code >	pool_server_connection ()
	move the server connection to the pool. More...
stdx::expected< Processor::Result, std::error_code >	socket_reconnect_start ()
	reconnect a socket. More...
stdx::expected< Processor::Result, std::error_code >	mysql_reconnect_start ()
	reconnect a mysql classic connection. More...
stdx::expected< Result, std::error_code >	recv_server_failed_and_check_client_socket (std::error_code ec)
	handle error-code of a failed receive() from the server-socket and check the status of the client socket. More...
stdx::expected< Processor::Result, std::error_code >	reconnect_send_error_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
	send a Error msg based on the reconnect_error(). More...
void	reconnect_error (classic_protocol::message::server::Error err)
	set the reconnect error. More...
classic_protocol::message::server::Error	reconnect_error () const
	get the reconnect error. More...
Protected Member Functions inherited from Processor
stdx::expected< Result, std::error_code >	send_server_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	recv_server_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	send_client_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	recv_client_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	server_socket_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	client_socket_failed (std::error_code ec)
stdx::expected< void, std::error_code >	discard_current_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
	discard to current message. More...
void	trace (Tracer::Event e)
Tracer &	tracer ()
Static Protected Member Functions inherited from Processor
static void	log_fatal_error_code (const char *msg, std::error_code ec)
	log a message with error-code as error. More...

Member Enumeration Documentation

Stage

enum class QueryForwarder::Stage

strong

Enumerator
Command
Connect
Connected
Response
ColumnCount
Column
ColumnEnd
RowOrEnd
Row
RowEnd
LoadData
Data
Ok
Error
Done

Member Function Documentation

column()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::column ( )

private

column_count()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::column_count ( )

private

column_end()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::column_end ( )

private

command()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::command ( )

private

connect()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::connect ( )

private

connected()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::connected ( )

private

data()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::data ( )

private

error()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::error ( )

private

load_data()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::load_data ( )

private

ok()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::ok ( )

private

process()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::process ( )

overridevirtual

Implements BasicProcessor.

response()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::response ( )

private

row()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::row ( )

private

row_end()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::row_end ( )

private

row_or_end()

stdx::expected< Processor::Result, std::error_code > QueryForwarder::row_or_end ( )

private

stage() [1/2]

Stage QueryForwarder::stage ( ) const

inline

stage() [2/2]

void QueryForwarder::stage ( Stage  stage )

inline

track_session_changes()

stdx::expected< void, std::error_code > QueryForwarder::track_session_changes ( net::const_buffer  session_trackers, classic_protocol::capabilities::value_type  caps  )

private

Member Data Documentation

columns_left_

uint64_t QueryForwarder::columns_left_ {0}

private

stage_

Stage QueryForwarder::stage_ {Stage::Command}

private

stmt_classified_

stdx::flags<StmtClassifier> QueryForwarder::stmt_classified_ {}

private

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

• router/src/routing/src/classic_query_forwarder.h
• router/src/routing/src/classic_query_forwarder.cc