Channel_info_shared_mem Class Reference

This class abstracts the info. More...

Inheritance diagram for Channel_info_shared_mem:

Public Member Functions
	Channel_info_shared_mem (HANDLE handle_client_file_map, char *handle_client_map, HANDLE event_server_wrote, HANDLE event_server_read, HANDLE event_client_wrote, HANDLE event_client_read, HANDLE event_conn_closed)
	Constructor to instantiate Channel_info_shared_mem object. More...
THD *	create_thd () override
	Instantiate and initialize THD object and vio. More...
void	send_error_and_close_channel (uint errorcode, int error, bool senderror) override
	Send error back to the client and close the channel. More...
Public Member Functions inherited from Channel_info
virtual	~Channel_info ()=default
ulonglong	get_prior_thr_create_utime () const
void	set_prior_thr_create_utime ()
virtual bool	is_admin_connection () const

Protected Member Functions
Vio *	create_and_init_vio () const override
	Create and initialize a Vio object. More...
Protected Member Functions inherited from Channel_info
	Channel_info ()

Private Attributes
HANDLE	m_handle_client_file_map
char *	m_handle_client_map
HANDLE	m_event_server_wrote
HANDLE	m_event_server_read
HANDLE	m_event_client_wrote
HANDLE	m_event_client_read
HANDLE	m_event_conn_closed

Detailed Description

This class abstracts the info.

about the windows shared memory mode of communication with the server.

Constructor & Destructor Documentation

Channel_info_shared_mem()

Channel_info_shared_mem::Channel_info_shared_mem ( HANDLE  handle_client_file_map, char *  handle_client_map, HANDLE  event_server_wrote, HANDLE  event_server_read, HANDLE  event_client_wrote, HANDLE  event_client_read, HANDLE  event_conn_closed  )

inline

Constructor to instantiate Channel_info_shared_mem object.

Parameters

handle_client_file_map	handle to client file map.
handle_client_map	handle to client map.
event_server_wrote	handle object for server write event.
event_server_read	handle object for server read event.
event_client_wrote	handle object for client write event.
event_client_read	handle object for client read event.
event_conn_closed	handle object for connection close event.

Member Function Documentation

create_and_init_vio()

Vio * Channel_info_shared_mem::create_and_init_vio ( ) const

inlineoverrideprotectedvirtual

Create and initialize a Vio object.

Returns

a pointer to the initialized a vio object.

Implements Channel_info.

create_thd()

THD * Channel_info_shared_mem::create_thd ( )

inlineoverridevirtual

Instantiate and initialize THD object and vio.

Returns

pointer to initialized THD object.

Return values

NULL	THD object allocation fails.

Reimplemented from Channel_info.

send_error_and_close_channel()

void Channel_info_shared_mem::send_error_and_close_channel ( uint  errorcode, int  error, bool  senderror  )

inlineoverridevirtual

Send error back to the client and close the channel.

Parameters

errorcode	code indicating type of error.
error	operating system specific error code.
senderror	true if the error need to be sent to client else false.

Reimplemented from Channel_info.

Member Data Documentation

m_event_client_read

HANDLE Channel_info_shared_mem::m_event_client_read

private

m_event_client_wrote

HANDLE Channel_info_shared_mem::m_event_client_wrote

private

m_event_conn_closed

HANDLE Channel_info_shared_mem::m_event_conn_closed

private

m_event_server_read

HANDLE Channel_info_shared_mem::m_event_server_read

private

m_event_server_wrote

HANDLE Channel_info_shared_mem::m_event_server_wrote

private

m_handle_client_file_map

HANDLE Channel_info_shared_mem::m_handle_client_file_map

private

m_handle_client_map

char* Channel_info_shared_mem::m_handle_client_map

private

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

• sql/conn_handler/shared_memory_connection.cc