ClientGreetor Class Reference

classic protocol handshake between client<->router (and router<->server). More...

#include <classic_greeting_receiver.h>

Inheritance diagram for ClientGreetor:

Public Types
enum class	Stage {   Init , ServerGreeting , ServerFirstGreeting , ClientGreeting ,   TlsAcceptInit , TlsAccept , ClientGreetingAfterTls , RequestPlaintextPassword ,   PlaintextPassword , DecryptPassword , Accepted , Authenticated ,   Error , Ok }
	stages of the handshake flow. More...
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 >	init ()
stdx::expected< Result, std::error_code >	server_greeting ()
	client<-router: server::greeting. More...
stdx::expected< Result, std::error_code >	server_first_greeting ()
	client<-router: server::greeting. More...
stdx::expected< Result, std::error_code >	client_greeting ()
	handle client greeting. More...
stdx::expected< Result, std::error_code >	tls_accept_init ()
stdx::expected< Result, std::error_code >	tls_accept ()
stdx::expected< Result, std::error_code >	client_greeting_after_tls ()
stdx::expected< Result, std::error_code >	request_plaintext_password ()
stdx::expected< Result, std::error_code >	plaintext_password ()
	receive the client's plaintext password. More...
stdx::expected< Result, std::error_code >	decrypt_password ()
stdx::expected< Result, std::error_code >	accepted ()
stdx::expected< Result, std::error_code >	authenticated ()
stdx::expected< Result, std::error_code >	error ()

Private Attributes
Stage	stage_ {Stage::Init}
classic_protocol::message::server::Error	connect_err_ {}

Additional Inherited Members
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...
template<class Proto >
stdx::expected< void, std::error_code >	discard_current_msg (TlsSwitchableConnection< Proto > &conn)
void	trace (Tracer::Event e)
Tracer &	tracer ()
TraceEvent *	trace_span (TraceEvent *parent_span, const std::string_view &prefix)
	start a span. More...
void	trace_span_end (TraceEvent *event, TraceEvent::StatusCode status_code=TraceEvent::StatusCode::kUnset)
	end a span and set a status-code. More...
TraceEvent *	trace_command (const std::string_view &prefix)
	start a command span. More...
TraceEvent *	trace_connect_and_forward_command (TraceEvent *parent_span)
	start a connect-and-forward span. More...
TraceEvent *	trace_connect (TraceEvent *parent_span)
	start a connect span. More...
void	trace_set_connection_attributes (TraceEvent *ev)
	start a connect span. More...
TraceEvent *	trace_forward_command (TraceEvent *parent_span)
	start a forward span. More...
void	trace_command_end (TraceEvent *event, TraceEvent::StatusCode status_code=TraceEvent::StatusCode::kUnset)
	end a command span and set a status-code. More...
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...

Detailed Description

classic protocol handshake between client<->router (and router<->server).

Member Enumeration Documentation

Stage

enum class ClientGreetor::Stage

strong

stages of the handshake flow.

Enumerator
Init
ServerGreeting
ServerFirstGreeting
ClientGreeting
TlsAcceptInit
TlsAccept
ClientGreetingAfterTls
RequestPlaintextPassword
PlaintextPassword
DecryptPassword
Accepted
Authenticated
Error
Ok

Member Function Documentation

accepted()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::accepted ( )

private

authenticated()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::authenticated ( )

private

client_greeting()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::client_greeting ( )

private

handle client greeting.

client_greeting_after_tls()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::client_greeting_after_tls ( )

private

decrypt_password()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::decrypt_password ( )

private

error()

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

private

init()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::init ( )

private

plaintext_password()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::plaintext_password ( )

private

receive the client's plaintext password.

after client_send_request_for_plaintext_password()

process()

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

overridevirtual

Implements BasicProcessor.

request_plaintext_password()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::request_plaintext_password ( )

private

server_first_greeting()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::server_first_greeting ( )

private

client<-router: server::greeting.

server_greeting()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::server_greeting ( )

private

client<-router: server::greeting.

stage() [1/2]

Stage ClientGreetor::stage ( ) const

inline

stage() [2/2]

void ClientGreetor::stage ( Stage  stage )

inline

tls_accept()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::tls_accept ( )

private

tls_accept_init()

stdx::expected< Processor::Result, std::error_code > ClientGreetor::tls_accept_init ( )

private

Member Data Documentation

connect_err_

classic_protocol::message::server::Error ClientGreetor::connect_err_ {}

private

stage_

Stage ClientGreetor::stage_ {Stage::Init}

private

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

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