BasicProcessor Class Reference

base class of all the processors. More...

#include <processor.h>

Inheritance diagram for BasicProcessor:

Public Types
enum class	Result {   Again , RecvFromClient , SendToClient , RecvFromServer ,   RecvFromBoth , SendToServer , SendableToServer , Suspend ,   Done , Void }

Public Member Functions
	BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
virtual	~BasicProcessor ()=default
const MysqlRoutingClassicConnectionBase *	connection () const
MysqlRoutingClassicConnectionBase *	connection ()
virtual stdx::expected< Result, std::error_code >	process ()=0

Private Attributes
MysqlRoutingClassicConnectionBase *	conn_

Detailed Description

base class of all the processors.

Processor

• have their own internal state
• expose a process() function which will be called until it returns Result::Done

Processors are stacked.

The methods:

• push_processor()
• pop_processor()

allow to add and remove elements for the stack.

The top-most processor's process() function is called.

Member Enumeration Documentation

Result

enum class BasicProcessor::Result

strong

Enumerator
Again
RecvFromClient
SendToClient
RecvFromServer
RecvFromBoth
SendToServer
SendableToServer
Suspend
Done
Void

Constructor & Destructor Documentation

BasicProcessor()

BasicProcessor::BasicProcessor ( MysqlRoutingClassicConnectionBase *  conn )

inline

~BasicProcessor()

virtual BasicProcessor::~BasicProcessor ( )

virtualdefault

Member Function Documentation

connection() [1/2]

MysqlRoutingClassicConnectionBase * BasicProcessor::connection ( )

inline

connection() [2/2]

const MysqlRoutingClassicConnectionBase * BasicProcessor::connection ( ) const

inline

process()

virtual stdx::expected< Result, std::error_code > BasicProcessor::process ( )

pure virtual

Implemented in AwaitClientOrServerProcessor, AuthCachingSha2Forwarder, AuthCachingSha2Sender, AuthCleartextForwarder, AuthCleartextSender, AuthGenericForwarder, AuthForwarder, AuthNativeForwarder, AuthNativeSender, AuthSha256Forwarder, AuthSha256Sender, BinlogDumpForwarder, ChangeUserForwarder, ChangeUserSender, CloneForwarder, CommandProcessor, ConnectProcessor, DebugForwarder, FlowProcessor, ClientToServerForwarder, ServerToClientForwarder, SendProcessor< toServer >, ServerGreetor, ServerFirstConnector, ServerFirstAuthenticator, ClientGreetor, InitSchemaForwarder, InitSchemaSender, KillForwarder, LazyConnector, ListFieldsForwarder, PingForwarder, QueryForwarder, QuerySender, QuitForwarder, QuitSender, RegisterReplicaForwarder, ReloadForwarder, ResetConnectionForwarder, ResetConnectionSender, SetOptionForwarder, SetOptionSender, StatisticsForwarder, StmtCloseForwarder, StmtExecuteForwarder, StmtFetchForwarder, StmtParamAppendDataForwarder, StmtPrepareForwarder, and StmtResetForwarder.

Member Data Documentation

conn_

MysqlRoutingClassicConnectionBase* BasicProcessor::conn_

private

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

• router/src/routing/src/processor.h